1 2000-05-04 Richard Henderson <rth@cygnus.com>
3 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4 (DPBIT_FUNCS): Remove _sf_to_usi.
5 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
7 * ifcvt.c (noce_process_if_block): Fail if A or B modified
8 between condition and jump.
10 * libgcc2.c (near eh_context_specific): Comment #endif string.
11 * longlong.h: Don't use strings with embedded newlines.
13 2000-05-04 Geoff Keating <geoffk@cygnus.com>
15 * config/rs6000/rs6000-protos.h: Add output_cbranch.
16 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
17 (print_operand): Delete %t and %T codes.
18 (output_cbranch): New function. Support branch prediction.
19 * config/rs6000/rs6000.md: Use output_cbranch for
20 conditional branches and returns.
22 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
24 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
25 * stor-layout.c (place_field): Likewise.
26 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
27 * expr.c (store_expr): Make align unsigned.
28 * explow.c (plus_constant_wide): Make low words unsigned.
29 * expmed.c (choose_multiplier): Likewise.
30 * fold-const.c (fold): Likewise.
31 * tree.h (build_int_2): Likewise.
32 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
33 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
34 (init_emit): Change cast to unsigned char*.
35 * varasm.c (compare_constant_1): Add cast to char*.
36 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
37 * reload1.c (reload): Likewise.
39 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
41 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
43 * predict.c (estimate_probability): If no prediction was found, then
44 predict the successor that is the next physical block (if such a
47 2000-05-04 Richard Henderson <rth@cygnus.com>
49 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
51 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
53 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
55 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
57 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
58 attribute macros from here ...
60 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
62 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
64 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
65 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
67 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
69 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
71 * diagnostic (vbuild_message_string, build_message_string,
72 build_location_prefix, output_get_prefix, init_output_buffer,
73 output_notice, vline_wrapper_message_with_location,
74 v_message_with_decl, default_print_error_function): De-constify.
75 (set_real_maximum_length): Prototype.
77 * diagnostic.h (struct output_buffer, init_output_buffer,
78 output_get_prefix, output_set_prefix): De-constify.
80 * function.c (init_function_start): Constify.
82 * gensupport.c (remove_constraints, process_rtx): Prototype.
84 * gthr-posix.h: Indent uses of #pragma.
86 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
89 * predict.c (find_expected_value): Delete prototype.
90 (expected_value_to_br_prob): Initialize variable `ev_reg'.
92 * sbitmap.h (debug_sbitmap): Prototype.
94 * ssa.c (compute_coalesced_reg_partition): Prototype.
96 * stor-layout.c (debug_rli): Prototype.
98 * tree.h (round_down): Prototype.
99 (init_function_start): Constify.
101 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
103 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
104 (overly conservative). Change extern inline wrappers to
105 static inline, define them always, use PARAMS properly.
106 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
107 whitespace warnings for \f and \v at the beginning of a line.
109 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
111 * haifa-sched.c (schedule_insns): Free the flow edge list when it
114 2000-05-04 Bruce Korb <bkorb@gnu.org>
116 * fixincl/inclhack.def: added broken_cabs -
117 Remove `extern double cabs' declarations from math.h
118 * fixincl/inclhack.sh: regen
119 * fixincl/fixincl.x: regen
120 * fixincl/fixincl.c: Remove BOGOSITY code
121 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
123 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
125 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
127 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
128 when calling MEM_COPY_ATTRIBUTES.
129 * emit-rtl.c (operand_subword, change_address): Likewise.
130 * explow.c (stabilize): Likewise.
131 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
132 * integrate.c (copy_rtx_and_substitute): Likewise.
133 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
134 when calling MEM_COPY_ATTRIBUTES.
135 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
137 * cse.c (gen_lowpart_if_possible): Likewise.
138 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
139 * optabs.c (gen_move_insn): Likewise.
140 * recog.c (validate_replace_rtx_1): Likewise.
141 * simplify-rtx.c (add_mem_for_addr): Likewise.
142 * stmt.c (expand_anon_union_decl): Likewise.
143 * config/arm/arm.md: Likewise.
144 * config/h8300/h7300.c (fix_bit_operand): Likewise.
145 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
146 (block_move_no_loop, block_move_sequence): Likewise.
147 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
148 * config/alpha/alpha.c (get_aligned_mem): Likewise.
150 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
153 2000-05-03 Robert Lipe <robertlipe@usa.net>
155 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
157 (i[34567]86-*-sco3.2v5*) Likewise.
158 (i[34567]86-*-sco3.2v4*) Likewise.
159 (i[34567]86-*-sco) Likewise.
160 (i[34567]86-*-solaris2) Likewise.
161 (i[34567]86-*-sysv5*) Likewise.
162 (i[34567]86-*-sysv4*) Likewise.
163 (i[34567]86-*-udk*) Likewise.
164 (i[34567]86-*-sysv*) Likewise.
166 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
168 * cpphash.h (U): New define, to correct type of string constants.
169 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
170 routines, to do casts when passing unsigned strings to libc.
171 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
173 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
174 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
175 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
176 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
177 second argument an U_CHAR *.
179 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
180 length field, clean up initializer.
181 (ISTABLE): Add __extension__ to designated-
182 initializers version.
183 * cpplex.c (CHARTAB): Likewise.
185 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
186 case so the file won't be empty.
188 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
190 * bb-reorder.c (struct reorder_block_def): Member succ removed.
191 (REORDER_BLOCK_SUCC): Removed.
192 (enum reorder_skip_type): Removed.
193 (skip_insns_between_block): Renamed to skip_insns_after_block.
194 Removed second argument. Removed dead code and cleaned up.
195 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
196 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
197 second parameter to skip_insns_after_block.
199 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
201 * tree.c (staticp, case LABEL_DECL): New case.
203 2000-05-03 Richard Henderson <rth@cygnus.com>
205 * Makefile.in (start.encap): Do not depend on LIBGCC1.
207 * mklibgcc1.in: Fix typo last change.
209 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
211 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
212 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
213 (GCC_CFLAGS): Use it.
214 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
215 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
216 objc/Make-lang.in: Use it.
218 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
220 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
222 2000-05-03 Richard Henderson <rth@cygnus.com>
224 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
225 LIBGCC1 empty with libgcc1.null.
227 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
229 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
232 2000-05-03 Greg McGary <gkm@gnu.org>
234 * tree.h (tree_common): Add bounded_flag member. Remove
235 inaccurate comment about number of remaining bits.
236 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
237 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
238 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
239 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
240 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
241 (TYPE_QUAL_BOUNDED): New constant.
242 (TYPE_QUALS): Handle bounded qualifier.
243 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
244 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
245 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
246 TYPE_AMBIENT_BOUNDEDNESS): New macros.
247 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
248 (tree_type): Add pointer_depth member. Remove
249 inaccurate comment about number of remaining bits.
250 (DECL_POINTER_DEPTH): Add macro.
251 (tree_decl): Add pointer_depth member.
253 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
255 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
256 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
257 (lshrhi3_out): Likewise.
258 (ashrsi3_out): bugfix in shift by 8.
259 (test_hard_reg_class): New function.
260 * config/avr/avr.md: Bugfix inside conditions in peepholes.
261 (ashlhi3): removed define_expand of this pattern.
262 (*ashlhi3_insn): renamed to ashlhi3.
263 (ashlsi3): removed define_expand of this pattern.
264 (*ashlsi3_insn): renamed to ashlsi3.
265 (ashrqi3): removed define_expand of this pattern.
266 (*ashrqi3_insn): renamed to ashrqi3.
267 (ashrhi3): removed define_expand of this pattern.
268 (*ashrhi3_insn): renamed to ashrhi3.
269 (ashrsi3): removed define_expand of this pattern.
270 (*ashrsi3_insn): renamed to ashrsi3.
271 (lshrhi3): removed define_expand of this pattern.
272 (*lshrhi3_insn): renamed to lshrhi3.
273 (lshrsi3): removed define_expand of this pattern.
274 (*lshrsi3_insn): renamed to lshrsi3.
276 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
278 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
279 inclusion of "system.h".
281 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
283 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
286 2000-05-03 David Mosberger <davidm@hpl.hp.com>
288 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
290 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
291 -mconstant-gp is in effect and function-descriptors are being used
292 to make indirect calls.
293 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
294 (MASK_AUTO_PIC): Ditto.
295 (TARGET_CONST_GP): Ditto.
296 (TARGET_AUTO_PIC): Ditto.
297 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
298 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
299 -mno-pic is in effect.
300 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
301 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
302 -mauto-pic is in effect.
303 (gprel64_offset): New pattern.
304 (load_gprel64): Ditto.
305 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
306 -mconstant-gp is in effect, no need to preserve gp around direct
309 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
310 (FUNCTION_PROFILER): Define.
311 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
312 @fptr() directive when -mno-pic or -mauto-pic is in effect.
313 (ASM_OUTPUT_DESTRUCTOR): Ditto.
315 2000-05-03 Richard Henderson <rth@cygnus.com>
317 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
318 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
319 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
320 (mklibgcc, libgcc.mk): New targets.
321 (libgcc.a): Use libgcc.mk.
322 (stmp-multilib): Likewise.
323 (stmp-multilib-sub): Remove.
324 (mostlyclean): Don't delete libgcc2 temp files.
325 * configure.in (AC_PROG_CC_C_O): Add.
326 (NO_MINUS_C_MINUS_O): Substitute it.
327 (all_outputs): Add mklibgcc.
328 * mklibgcc.in: New file.
330 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
332 * cppexp.c (op_t): Make an int.
334 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
336 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
338 * gensupport.c (process_rtx): Fix macros used.
340 2000-05-03 Richard Henderson <rth@cygnus.com>
342 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
343 call-clobbered registers of a call.
345 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
347 * gensupport.c: New file.
348 * gensupport.h: New file.
349 * Makefile.in (HOST_RTL): Depend on gensupport.
350 (gensupport.o) New rule.
351 * genattr.c: Use gensupport for reading .md files.
352 * genattrtab.c: Ditto.
354 * genconfig.c: Ditto.
356 * genextract.c: Ditto.
358 * genopinit.c: Ditto.
359 * genoutput.c: Ditto.
362 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
363 * md.texi (Insn Splitting): Document define_insn_and_split.
365 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
367 * flow.c (verify_flow_info): Added two more sanity checks. The
368 first checks that the blocks are numbered consecutively. The second
369 checks that n_basic_blocks is actually equal to the number of
370 basic blocks in the insn chain.
372 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
374 * cpplib.h: Add accessor macros for token lists.
375 * cpplib.c, cpphash.c, cpplex.c: Use them.
377 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
379 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
380 memory usage if not in a function.
381 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
382 return address if static.
384 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
386 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
387 whether address may trap.
389 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
391 * bb-reorder (chain_reorder_blocks): Changed code to test for
392 EDGE_FALLTHRU rather than making erroneous assumption that the
393 first outgoing edge is the fall-through edge.
395 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
397 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
398 ABI for varargs, across all MIPS. This is incompatible because the
399 va_list (__builtin_va_list) structure is different, so a compilation
400 unit passing a va_list and a compilation unit being passed one, should
401 both be compiled with the same ABI. (The old structure had two
402 pointers, now it has three.)
404 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
406 * bb-reorder.c (struct reorder_block_def): Remove members end,
407 block_begin, and block_end.
408 (REORDER_BLOCK_OLD_END): Delete.
409 (REORDER_BLOCK_BEGIN): Delete.
410 (REORDER_BLOCK_END): Delete.
411 (chain_reorder_blocks): Remove dead code.
413 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
415 * bb-reorder.c (remove_scope_notes): Check for both types of scope
416 notes as the end of a basic block before deleting.
418 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
420 * final.c (final_start_function): Fix spelling of "necessary".
422 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
424 * toplev.c (debug_ignore_block): Return int.
425 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
426 * toplev.h, dwarf2out.h: Adjust.
427 * emit-rtl.c (remove_unnecessary_notes): Test return value.
429 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
430 * toplev.c, final.c, rtl.h: Adjust.
432 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
434 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
435 * configure.in: Look for makeinfo in the unified tree, then
436 for a system makeinfo which is sufficiently new.
437 * Makefile.in: If configure says makeinfo is too old, don't
438 build or install Info documentation.
440 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
442 * cpphash.c (collect_params): Fix off-by-one error.
443 (dump_hash_helper): Dump all four macro nodetypes.
445 2000-05-02 Jakub Jelinek <jakub@redhat.com>
447 * cpphash.c (trad_stringify): Adjust p after stringification as
450 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
452 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
453 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
455 * cppfiles.c (file_cleanup): Delete.
456 * cpphash.c (macro_cleanup): Delete.
457 (collect_objlike_expansion, collect_funlike_expansion,
458 macarg, scan_arguments): Remove CPP_POP case.
460 * cpplex.c (null_cleanup): Delete.
461 (cpp_pop_buffer): Do the work that was done in the cleanups
462 here. Call _cpp_unwind_if_stack from here.
463 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
464 cpp_scan_buffer): Run until we see CPP_EOF and the top of
465 stack is the buffer _below_ the one we stacked.
466 (cpp_get_token): Always pop an exhausted buffer. Return
467 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
468 * cpplib.c (skip_if_group): Don't call cpp_get_token to
469 increment the line number.
470 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
472 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
473 we see CPP_EOF and the top of stack is the buffer _below_ the
475 * scan-decls.c: Likewise.
477 2000-05-02 Andrew Haley <aph@cygnus.com>
479 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
480 where this function is called for the second time on a decl that
481 has had its section info changed in such a way as to move it out
483 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
485 2000-05-01 Richard Henderson <rth@cygnus.com>
487 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
488 the sequence we're moving, not to merge_bb->head.
490 2000-05-01 Richard Henderson <rth@cygnus.com>
492 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
493 reference to alpha/t-linux.
494 (alpha*-*-linux-gnu*): Likewise.
495 * configure: Rebuild.
497 * calls.c (expand_call): Don't emit reg notes for a sibcall.
499 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
502 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
504 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
506 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
509 2000-05-01 Richard Henderson <rth@cygnus.com>
511 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
512 emit_conditional_move.
514 2000-05-01 Jakub Jelinek <jakub@redhat.com>
516 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
517 as the dynamic linker.
519 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
521 * cppfiles.c (open_include_file): Open file in blocking mode.
522 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
523 Only exclude block devices and directories.
525 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
526 static. Allocate the hashnode and its string in the same
528 (del_HASHNODE): Don't free h->name.
529 (_cpp_lookup): If there is no entry for this string, create
531 (_cpp_lookup_slot): Delete.
532 * cpphash.h: Update prototypes.
534 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
536 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
537 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
538 node here, just fill in the value field properly. "Delete"
539 entries by setting the value field to T_VOID. Check for
540 hp->type == T_VOID, not hp == NULL.
542 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
543 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
546 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
548 * config/mn10300/mn10300.c (print_operand_address): Do not add
551 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
552 adjusted by less than 256 bytes, use ret regardless of having any
553 callee-saved register to restore.
555 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
557 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
559 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
561 * config/i386/djgpp.h (INT_ASM_OP): Define.
562 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
563 (ASM_WEAKEN_LABEL): Define.
564 (MASK_BNU210): Define.
565 (SUBTARGET_SWITCHES): Define.
566 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
567 (MAKE_DECL_ONE_ONLY): Define.
568 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
570 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
572 * i386/cygwin.h (INT_ASM_OP): Define.
574 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
576 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
577 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
579 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
581 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
582 __tmp_reg__ and __zero_reg__ initialization.
584 2000-04-30 Richard Henderson <rth@cygnus.com>
586 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
588 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
589 referenced bewteen the condition and the jump. Don't delete
590 anything but the jump.
592 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
594 * bb-reorder.c (scope_def): New struct.
595 (scope_forest_info): New struct.
596 (struct reorder_block_def): New member "scope".
597 (REORDER_BLOCK_SCOPE): New macro.
598 (relate_bbs_with_scopes): New function and prototype.
599 (make_new_scope): Likewise.
600 (build_scope_forest): Likewise.
601 (remove_scope_notes): Likewise.
602 (insert_intra_1): Likewise.
603 (insert_intra_bb_scope_notes): Likewise.
604 (insert_inter_bb_scope_notes): Likewise.
605 (rebuild_scope_notes): Likewise.
606 (free_scope_forest_1): Likewise.
607 (free_scope_forest): Likewise.
608 (dump_scope_forest): Likewise.
609 (dump_scope_forest_1): Likewise.
610 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
611 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
613 (reorder_basic_blocks): Added calls to build_scope_scope_forest
614 and remove_scope_notes before reordering is done. Added calls to
615 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
616 after reordering is done.
618 2000-40-30 Bruce Korb <bkorb@gnu.org>
620 * fixinc/inclhack.def: Added definitions needed by OSR5,
621 removed two stale entries (defined away with OLD_CPP).
622 * fixinc/inclhack.sh: regen
623 * fixinc/fixincl.x: regen
625 2000-04-30 Richard Henderson <rth@cygnus.com>
627 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
628 from the last insn in the sequence.
630 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
632 * cpplex.c (cpp_idcmp): New function.
633 * cpplib.h: Prototype it.
634 * scan_decls.c (scan_decls): Use it to inspect token names.
635 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
636 the file being run through the preprocessor.
637 (check_macro_names): Provide length of token to cpp_defined.
639 * Makefile.in: Remove stale warning message.
641 * cppfiles.c (redundant_include_p): Provide length of token to
643 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
644 values are unsigned int.
645 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
646 (_cpp_lookup_slot): Do not calculate the hash, either.
647 * cpphash.h: Update prototypes.
648 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
649 Hashes are unsigned int. Calculate hash here, pass by value
652 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
654 * simplify-rtx.c (check_value_useless): Delete function.
655 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
657 (cselib_invalidate_regno): Likewise.
658 (cselib_invalidate_mem_1): Likewise.
659 (references_value_p): Recognize useless values by the fact that they
661 (discard_useless_values): Likewise.
662 (cselib_record_set): This may turn a useless value
665 2000-04-30 Richard Henderson <rth@cygnus.com>
667 * config/d30v: New port.
669 * configure.in (d30v-*): Set fp format.
670 * configure: Rebuild.
672 2000-04-30 Richard Henderson <rth@cygnus.com>
675 * Makefile.in (OBJS): Add it.
676 (ifcvt.o): New target.
677 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
678 and conditional arithmetic.
679 (find_insert_position): Remove.
680 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
681 * toplev.c (DFI_ce, DFI_ce2): New.
682 (dump_file): Add ce and ce2 dumps.
683 (rest_of_compilation): Run if_convert a couple o times. Set
684 cse_not_expected after cse2. Don't set no_new_pseudos until
685 after sched1 or recompute_reg_usage.
687 2000-04-30 Richard Henderson <rth@cygnus.com>
689 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
690 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
692 2000-04-30 Richard Henderson <rth@cygnus.com>
694 * flow.c (struct reg_cond_life_info): New.
695 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
696 (init_propagate_block_info): Initialize them.
697 (free_propagate_block_info): Destruct them.
698 (mark_set_1): Consider conditional life before killing a register.
699 (mark_regno_cond_dead): New.
700 (free_reg_cond_life_info): New.
701 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
702 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
703 (mark_used_reg): Record conditional life.
705 * haifa-sched.c (schedule_insns): Disable death counting
706 sanity check for HAVE_conditional_execution.
708 2000-04-30 Richard Henderson <rth@cygnus.com>
710 * Makefile.in (TIMEVAR_H): New.
711 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
712 (timevar.h): Remove rule.
714 2000-04-29 Richard Henderson <rth@cygnus.com>
716 * config/alpha/crtend.asm: Use C comments instead of #.
717 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
719 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
721 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
723 * cpphash.h (enum node_type: Take out T_MCONST.
724 (union hashval): Move into struct hashnode.
725 (struct hashnode): Pack tighter. Remove file, line, col
727 * cpphash.c: Constify most of the macro-definition structures.
728 (struct definition): Replace by struct object_defn
729 and struct funct_defn. Put file, line, column information
730 here. All users updated to match.
731 (_cpp_create_definition, _cpp_macroexpand): Remove special
732 case for #define WORD OTHERWORD.
733 * cpplib.c (do_undef): Remove T_MCONST case.
735 * cpphash.h: Move struct reflist, struct definition, and the
736 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
737 union hashval. _cpp_free_definition takes a HASHNODE pointer.
738 * cpphash.c (_cpp_free_definition): Free data pointed to by
739 MCONST, XCONST, MACRO, and FMACRO nodes properly.
740 (_cpp_create_definition, del_HASHNODE): Just call
741 _cpp_free_definition to clear out a hashnode.
742 * cpplib.c (do_pragma_poison): Likewise.
744 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
746 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
747 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
748 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
749 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
750 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
751 REGNO_AM33_P): Redefine in terms of the new macros.
752 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
753 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
754 STRUCT_VALUE): Likewise.
755 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
756 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
758 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
760 * regmove.c (struct record_stack_memrefs_data): New.
761 (record_stack_memrefs): New function.
762 (combine_stack_adjustments_for_block): Use it.
764 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
766 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
767 use special_function_p to detect alloca.
769 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
771 * gcc.texi: Fixes for makeinfo 4.0 --html.
773 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
775 * pcp.h: Delete file.
777 2000-04-28 Kazu Hirata <kazu@hxi.com>
779 * h8300.c (function_epilogue): Clean up flags when the last insn
780 in a function is a barrier.
782 2000-04-28 Chris Demetriou <cgd@sibyte.com>
784 * configure.in (sparc-hal-solaris2*): protect [] glob from
786 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
787 rather than hard-coded constants in target_cpu_default2.
788 * configure: Regenerate.
790 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
792 * tree.c (get_callee_fndecl): Extract the initial value from
795 2000-04-28 Richard Henderson <rth@cygnus.com>
797 * varasm.c (record_constant_1): Record the CODE_LABEL when
798 taking the address of a LABEL_REF.
800 2000-04-28 Richard Henderson <rth@cygnus.com>
801 Jan Hubicka <jh@suse.cz>
803 * calls.c (combine_pending_stack_adjustment_and_call): Return the
804 adjustment; don't do the stack adjust.
805 (expand_call): Call compute_argument_block_size right before
806 allocating the block; update comment; don't do alignment sanity
807 checking for sibling call; use args_size instead of
808 unadjusted_args_size before args_size is adjusted. Use
809 combine_pending_stack_adjustment_and_call to compute stack adjust
810 for must_preallocate case.
812 * expr.c (push_block): Remove shadow `temp' in inner scope.
814 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
816 * toplev.c (rest_of_compilation): Call
817 note_deferral_of_defined_inline_function even if the function
820 2000-04-28 Scott Bambrough <scottb@netwinder.org>
822 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
824 2000-04-28 Richard Henderson <rth@cygnus.com>
826 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
828 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * timevar.c (init_timevar): DeANSIfy function definition.
832 2000-04-27 Alex Samuel <samuel@codesourcery.com>
834 * Makefile.in (timevar.o): Depend on flags.h.
835 * timevar.c (unused_stack_instances): New variable.
836 (timevar_push): Take a timevar_stack_def from
837 unused_stack_instances if available.
838 (timevar_pop): Push the popped timevar_stack_def onto
839 unused_stack_instances.
840 (TIMEVAR_ENABLE): New macro.
841 (timevar_def): Make standalone a 1-bit field. Add field used.
842 (get_time): Rename parameter to now. Return after clearing it if
844 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
845 (timevar_pop): Likewise.
846 (timevar_stop): Likewise.
847 (timevar_push): Likewise. Mark the timing variable as used.
848 (timevar_start): Likewise.
849 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
850 timevars that were never used.
852 2000-04-27 Mark Mitchell <mark@codesourcery.com>
854 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
855 always TREE_READONLY.
857 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
859 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
860 for call instruction with mode QImode.
862 2000-04-27 Alex Samuel <samuel@codesourcery.com>
864 * Makefile.in (OBJS): Add timevar.o.
865 (toplev.o): Depend on timevar.h.
866 (ggc-simple.o): Likewise.
867 (ggc-page.o): Likewise.
868 (timevar.o): New rule.
869 (timevar.h): New rule.
871 * timevar.h: New file.
872 * timevar.c: Likewise.
873 * timevar.def: Likewise.
875 * toplev.h (gc_time, parse_time, varconst_time): Remove.
876 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
878 (TIMEVAR): Remove macro.
879 (gc_time, parse_time, varconst_time, integration_time, jump_time,
880 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
881 flow_time, combine_time, regmove_time, sched_time,
882 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
883 sched2_time, dbr_sched_time, reorder_blocks_time,
884 rename_registers_time, shorten_branch_time, stack_reg_time,
885 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
887 (compile_file): Don't initialize time variables. Call
888 init_timevar and start TV_TOTAL timer. Call timevar_print instead
889 of many calls to print_time.
890 (rest_of_compilation): Add timing for reload_cse_regs.
891 (get_run_time): Removed to timevar.c.
892 (print_time): Likewise.
893 (get_run_time): Implement using TV_TOTAL time variable.
894 (print_time): Get total run time from get_run_time.
895 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
896 computing elapsed time explicitly.
897 * ggc-simple.c (ggc_collect): Likewise.
898 (gc_time): Remove declaration.
900 2000-04-27 Mark Mitchell <mark@codesourcery.com>
902 * calls.c (combine_pending_stack_adjustment_and_call): New function.
903 (expand_call): Use it.
905 2000-04-27 Jan Hubicka <jh@suse.cz>
907 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
910 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
912 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
915 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
917 * function.c (epilogue_done): Pass whole insn to record_insns.
919 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
921 * cse.c (CSE_ADDRESS_COST): Remove.
922 (find_best_addr): Add new parameter "MODE", use address_cost instead
925 (fold_rtx): Update call of find_best_addr.
926 * rtl.h (address_cost): Declare.
927 * loop.c (general_induction_var): Add new parameter "MODE", use
928 address_cost instead of ADDRESS_COST
929 (init_loop): Use address_cost instead of ADDRESS_COST.
930 (check_insn_for_givs): Update call of general_induction_var.
931 (find_mem_givs): Likewise.
932 (consec_sets_giv): Likewise.
933 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
934 * i386.c (ix86_address_cost): New.
935 * i386-protos.h (ix86_address_cost): Declare.
937 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
939 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
942 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
944 * expr.c (store_expr): Use clear_storage instead of direct memset
947 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
949 * config/mn10300/mn10300.c (mn10300_address_cost): Test
950 ASHIFT, AND and LABEL_REF.
952 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
954 * invoke.texi (-foptimize-sibling-calls): Fix.
956 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
958 * loop.c (load_mems) Don't use hard registers for the hoisting.
960 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
961 calculation; rename const_equiv array in the preconditioning code
962 from loop_unroll to loop_unroll_precondition
964 2000-04-27 Richard Henderson <rth@cygnus.com>
966 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
968 (propagate_one_insn): Clear it. Don't update reg_live here.
969 (init_propagate_block_info): Update for pbi member changes.
970 (free_propagate_block_info): Likewise.
971 (mark_set_1): Know that zero_extract, sign_extract, and
972 strict_low_part don't kill their argument. Alter hard subregs.
973 Update new_set for non-CLOBBER sets. Update reg_live.
974 (find_auto_inc): Update reg_live, not new_dead.
975 (mark_used_reg): Update reg_live, not new_live. Examine new_set
976 to determine if the reg in question was set this insn. Only update
977 reg info with PROP_REG_INFO.
979 2000-04-26 Richard Henderson <rth@cygnus.com>
981 * flow.c (allocate_reg_life_data): Set max_regno here ...
982 (life_analysis): ... not here.
984 * flow.c (calculate_global_regs_live): Force stack pointer
987 2000-04-26 Richard Henderson <rth@cygnus.com>
989 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
990 commit change group changes.
991 (invert_exp_1): Similarly.
992 (redirect_exp, invert_exp): Use them.
993 (redirect_jump_1): New.
994 (invert_jump_1): New.
995 (jump_optimize_1): Remove code subsumed by condexec.c.
996 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
998 2000-04-26 Richard Henderson <rth@cygnus.com>
1000 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1002 * genconfig.c (main): Set all HAVE_foo to 1.
1004 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1006 2000-04-26 Alex Samuel <samuel@codesourcery.com>
1008 * invoke.texi: Document -fssa flag.
1010 2000-04-26 Richard Henderson <rth@cygnus.com>
1012 * flow.c (count_reg_sets_1): Remove.
1013 (count_reg_sets, count_reg_references): Remove.
1014 (recompute_reg_usage): Implement with update_life_info.
1015 Reallocate life data.
1017 2000-04-26 Richard Henderson <rth@cygnus.com>
1019 * flow.c (update_life_info): Consider blocks null to mean the
1021 (calculate_global_regs_live): Likewise.
1022 (life_analysis): Do that instead of collecting all_blocks.
1024 2000-04-26 Richard Henderson <rth@cygnus.com>
1026 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1027 a still-valid conditional jump.
1029 2000-04-26 Richard Henderson <rth@cygnus.com>
1031 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1033 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1034 * flow.c (calculate_loop_depth): Remove.
1035 * output.h (calculate_loop_depth): Don't declare.
1036 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1037 inline; run estimate_probability at the same time.
1039 2000-04-26 Neil Booth <NeilB@earthling.net>
1041 * cpplib.h: "~=" is not a single pp-token.
1042 * cpplex.c: Correct commentary.
1044 2000-04-26 Richard Henderson <rth@cygnus.com>
1046 * flow.c (mark_set_1): New arguments code and flags; update all
1047 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1048 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1049 loop_depth when optimizing for size. Do new_dead update after
1050 emitting REG_UNUSED notes. Merge mark_set_reg code.
1051 (mark_set_reg): Remove.
1052 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1053 arrange to not emit REG_UNUSED notes.
1055 2000-04-26 Richard Henderson <rth@cygnus.com>
1057 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1058 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1060 2000-04-26 Richard Henderson <rth@cygnus.com>
1062 * flow.c (propagate_one_insn): Break out from propagate_block.
1063 (init_propagate_block_info): Likewise.
1064 (free_propagate_block_info): Likewise.
1065 (propagate_block): Use them. Export.
1066 * basic-block.h: Declare them all.
1068 2000-04-26 Richard Henderson <rth@cygnus.com>
1070 * basic-block.h (life_analysis): Declare here ...
1071 * output.h: ... not here.
1072 * flow.c (life_analysis): Remove nregs parameter; replace
1073 remove_dead_code with flags. Remove ssa dead code check.
1074 Only init alias analysis if we'll use it.
1075 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1076 * ssa.c (convert_to_ssa): Likewise.
1077 (convert_from_ssa): Likewise.
1078 * toplev.c (rest_of_compilation): Likewise.
1080 2000-04-26 Richard Henderson <rth@cygnus.com>
1082 * flow.c (flow_delete_block): Rename from delete_block. Export.
1083 * basic-block.h (flow_delete_block): Declare.
1085 2000-04-26 David S. Miller <davem@redhat.com>
1087 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1088 taking a PATTERN of it.
1090 2000-04-26 <NeilB@earthling.net>
1092 * cpplex.c (spell_other, spell_char): Remove.
1094 (token_spelling, trigraph_map): Use unsigned chars.
1095 (_cpp_lex_line): Tidy up the switch statement.
1096 * cpplib.h: Implement spell_char with spell_string.
1099 2000-04-26 <RodneyBrown@pmsc.com>
1101 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1102 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1104 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1107 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1108 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1109 dwarf2out_return_save, dwarf2out_return_reg,
1110 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1111 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1112 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1114 * dwarf2out.h (dwarf2out_init): Likewise.
1116 * dwarfout.c (filename_entry, primary_filename, last_filename,
1117 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1119 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1120 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1121 dwarf2out_return_reg): Likewise.
1123 2000-04-26 Andreas Jaeger <aj@suse.de>
1125 * extend.texi (Function Attributes): Fix description of pure
1128 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1130 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1131 before calling rest_of_compilation.
1133 2000-04-26 Andreas Jaeger <aj@suse.de>
1135 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1138 2000-04-25 Richard Henderson <rth@cygnus.com>
1140 * cse.c (cse_insn): Emit barrier after unconditional jump.
1142 * calls.c (expand_call): Disable tail call generation once
1143 rtx_equal_function_value_matters is false.
1145 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1148 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1150 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1152 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1154 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1155 is the primary DIE for a member function.
1156 (gen_decl_die): Call set_decl_origin_self here.
1157 * dwarfout.c (output_decl): And here.
1158 * integrate.c (output_inline_function): Not here.
1159 Don't clear DECL_INLINE until after calling rest_of_compilation.
1160 (set_decl_origin_self): No longer static.
1161 * tree.h: Add prototype.
1162 * toplev.c (note_deferral_of_defined_inline_function): Only write
1163 out abstract instance for actual inlines.
1165 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1167 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1168 EXTENDED_REGS only if TARGET_AM33.
1169 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1170 SP_REGS to register allocation and reloading unless absolutely
1172 (movsi3): Remove special-case of adding non-constants to SP.
1174 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1176 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1177 INCLUDES to search and does not provide any of its own. Also it
1178 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1179 parameters. Also it does not call AC_DEFINE.
1180 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1181 AC_DEFINE and provides for automatic entries for autoheader.
1182 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1184 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1185 so we can pass -I flags and include gansidecl.h/system.h in this
1188 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1190 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1193 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1194 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1196 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1197 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1198 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1199 for these macros. Clean up spacing and linewraps.
1201 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1203 * calls.c (expand_call): Use get_callee_fndecl.
1205 * print-tree.c (print_node): Print the chain of an _EXPR.
1207 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1208 Jim Wilson <wilson@cygnus.com>
1209 Andrew Haley <aph@cygnus.com>
1211 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1212 and gp save/restore problems.
1213 * config/ia64/crtend.asm: Add IA-64 unwind support.
1214 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1215 in fr_pad_size calculation.
1216 (save_restore_insns): Move PR save area. Correct uses of
1217 RTX_FRAME_RELATED_P.
1218 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1219 (ia64_expand_epilogue): Add eh_epilogue support.
1220 (ia64_function_prologue): Emit .prologue directive.
1221 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1222 (ia64_override_options): Set init_machine_status and
1223 mark_machine_status.
1224 (rtx_needs_barrier): Handle bsp reads and writes.
1225 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1226 New static variables.
1227 (process_set, process_for_unwind_directive): New functions.
1228 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1229 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1230 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1232 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1233 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1234 (struct machine_function): Define.
1235 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1237 2000-04-25 Bruce Korb <bkorb@gnu.org>
1239 * fixinc/Makefile.in: make the removal of old programs more
1241 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1242 install-bin and install-sh
1244 2000-04-25 Nick Clifton <nickc@cygnus.com>
1246 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1247 defined, define to return zero.
1248 (function_cannot_inline_p): If a function has any target
1249 specific attributes, then use the macro
1250 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1251 whether it can be inlined. If it cannot, issue a suitable
1254 * tm.texi: Add a new node 'Inlining' to document the new macro
1255 FUNCTION_ATTRIBUTE_INLINABLE_P.
1257 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1259 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1262 2000-04-25 Neil Booth <NeilB@earthling.net>
1264 Restore previous patch, plus the following fixes:
1266 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1267 flags, not CPP_OPEN_PAREN.
1268 * cpplex.c (expand_token_space, init_token_list,
1269 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1270 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1272 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1274 * config/i386/freebsd.h (INT_ASM_OP): Define.
1276 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1278 * loop.c (strength_reduce): Fix typo in the last checkin.
1280 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1282 * stor-layout.c (finalize_record_size): Simplify to use existing
1284 (compute_record_mode): No longer static.
1285 * tree.h (compute_record_mode): New declaration.
1287 2000-04-25 Neil Booth <NeilB@earthling.net>
1289 * Revert my patch below until cause of build failures
1292 2000-04-25 Richard Henderson <rth@cygnus.com>
1294 * combine.c (combine_instructions): Add missing argument
1297 * toplev.c (rest_of_compilation): Delay sibcall optimization
1298 until after emit_eh_context.
1300 2000-04-24 Nick Clifton <nickc@redhat.com>
1302 * combine.c (combine_instructions): Do not try to combine a
1303 sequence of insns when the second insn has been replaced by a
1306 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1308 * gcc.c (load_specs): New static function.
1309 (read_specs): Use it.
1311 * gcc.c (lookup_compiler): Make multiple passes for case
1312 insensitive filesystems.
1314 2000-04-24 Neil Booth <NeilB@earthling.net>
1316 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1317 * cpphash.h (_cpp_check_directive): new.
1318 * cpplex.c (handle_newline, cpp_free_token_list,
1319 init_trigraph_map, trigraph_ok, trigraph_replace,
1320 backslash_start, skip_block_comment, skip_line_comment,
1321 skip_whitespace, parse_name, parse_number, parse_string,
1322 copy_comment, _cpp_lex_line, spell_char, spell_string,
1323 spell_comment, spell_name, spell_other, _cpp_lex_file,
1324 _cpp_output_list): new.
1325 (expand_name_space): take length argument.
1326 (init_token_list): add comment list initialisation.
1327 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1328 instead of HSPACE_BEFORE.
1330 * cpplib.c (_cpp_check_directive): new
1331 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1332 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1333 (HSPACE_BEFORE): delete.
1334 (TTYPE_TABLE): rearrange.
1335 (struct cpp_toklist): update.
1337 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1339 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1340 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1341 argument form of AC_DEFINE.
1343 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1344 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1345 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1346 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1347 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1349 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1351 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1354 deduced.h): Use -isystem, not -I, for including system headers.
1356 2000-04-24 Nick Clifton <nickc@cygnus.com>
1358 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1359 the source register is the frame pointer or arg pointer.
1360 (addsi3_small_int): Disallow if source register is the frame
1361 pointer or arg pointer.
1363 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1365 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1366 call to AC_MSG_RESULT.
1368 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1370 * invoke.texi: Correct grammatical errors, document
1371 -fno-gnu-keywords as identical to -fno-asm for C++.
1373 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1375 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1376 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1377 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1378 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1379 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1381 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1382 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1383 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1384 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1387 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1389 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1390 (pop_alignment): Likewise.
1391 (handle_pragma_token): Likewise.
1393 2000-04-24 Robert Lipe <robertlipe@usa.net>
1395 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1397 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1399 * combine.c (try_combine): Update reg_nonzero_bits of
1400 newi2pat before newpat.
1402 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1404 * loop.c (strength_reduce): Simplify test to INSN_P.
1405 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1406 expressions instead of CONST_INT.
1407 (express_from_1): Likewise.
1409 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1411 * regs.h (reg_n_max): Don't declare.
1412 * flow.c (reg_n_max): Don't define.
1413 * regclass.c (renumber): Don't initialize to zero.
1414 (regno_allocated): Likewise.
1415 (reg_n_max): Define.
1416 (allocate_reg_info): Don't initialize unnecessarily.
1418 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1420 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1421 and blockage_p in the newly allocated attribute.
1423 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1425 * config/mn10300/mn10300.md (addsi): `inc4' on address
1426 registers does not modify cc, but `inc' on an extended
1429 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1431 * reload.c (find_equiv_reg): Checks all valueno regs
1432 as a reload_reg_p regs.
1434 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1436 * cpphash.c (collect_objlike_expansion): Add sanity check.
1437 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1438 the buffer is the empty string, return. Mark __DATE__ and
1439 __TIME__ as XCONST nodes, not MCONST.
1440 (_cpp_macroexpand): Avoid pushing an empty buffer.
1441 (funlike_macroexpand): Don't pop token_buffer here.
1443 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1445 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1446 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1447 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1448 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1449 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1450 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1451 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1453 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1455 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1458 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1460 * cpphash.h (struct definition): Move file, line, col members...
1461 (struct hashnode): ... here. Also add 'disabled' flag.
1462 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1463 T_IDENTITY. Remove T_DISABLED.
1466 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1467 (collect_expansion): Split into collect_objlike_expansion and
1468 collect_funlike_expansion.
1469 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1470 funlike_macroexpand.
1471 (_cpp_compare_defs): Rename compare_defs, make static.
1472 (_cpp_make_hashnode): Initialize hp->disabled.
1473 (macro_cleanup): Adjust for new token types. Clear
1475 (_cpp_create_definition): Move code here to determine what
1476 sort of macro it is, and code to check for redefinitions, from
1477 do_define. Implement a few simple cases without creating a
1479 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1480 Handle the simple cases.
1481 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1484 * cppinit.c (builtin_array): Change MCONST to XCONST
1486 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1487 fix check for disabled and function-like macros.
1488 * cpplib.c (do_define): Move most logic to
1489 _cpp_create_definition.
1490 (do_undef): Handle new special token types.
1492 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1494 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1495 of CONSTANT_P for mult_val; always use validate_change to update insn.
1497 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1499 * cpphash.c (trad_stringify, add_pat): New functions.
1500 (collect_expansion): Restore support for -traditional syntax.
1501 Use trad_stringify and add_pat.
1502 (_cpp_macroexpand): Restore support for -traditional semantics.
1503 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1504 get a COMMENT token.
1505 (_cpp_lex_token): Provide COMMENT tokens to caller if
1506 traditional and parsing_define_directive.
1507 (skip_comment): Warn about // comments if -Wtraditional.
1508 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1510 (do_undef): Don't warn about undefining EMPTY nodes.
1512 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1514 * loop.c (strength_reduce): Fix biv removal code.
1516 2000-04-22 Richard Henderson <rth@cygnus.com>
1518 * predict.c (estimate_probability): Examine both sides of
1519 a branch for no exits. Use 90% not 50% for predict taken.
1520 Reorg for one copy of note generation code.
1522 2000-04-22 Richard Henderson <rth@cygnus.com>
1524 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1526 2000-04-22 Richard Henderson <rth@cygnus.com>
1528 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1529 (output_clear): Likewise.
1530 (output_printf): Use va_copy.
1531 (vline_wrapper_message_with_location): Likewise.
1532 (v_message_with_decl): Likewise.
1533 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1534 * system.h (va_copy): Provide default implementation.
1536 2000-04-22 Richard Henderson <rth@cygnus.com>
1538 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1539 the collected condition is not a constant.
1541 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1543 * diagnostic.h: New file.
1545 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1547 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1548 various function prototypes.
1549 (diagnostic.h): #include.
1550 (struct output_buffer): Move into diagnostic.h.
1551 (get_output_prefix): Rename to output_get_prefix. Export.
1552 (init_output_buffer): Export. Break out. Ajust intialization.
1553 (output_space_left, output_append): Export.
1554 (output_newline): Rename to output_add_newline. Export.
1555 (output_clear): Nullify additional output_buffer fields.
1556 (output_puts): Rename to output_add_string. Export.
1557 (dump_output): Rename to output_flush_on. Export.
1558 (build_location_prefix): Constify return-type.
1559 (emit_output_prefix): Rename to output_emit_prefix. Export.
1560 (set_real_maximum_length): New function.
1561 (output_set_maximum_length): Ditto
1562 (output_clear): Ditto.
1563 (output_add_character): Ditto.
1564 (output_add_integer): Ditto.
1565 (output_add_space): Ditto.
1566 (output_format): Ditto.
1567 (output_printf): Adjust buffer initialization.
1568 (vline_wrapper_message_with_location): Ditto.
1569 (v_message_with_decl): Ditto. Adjust call to output_puts
1570 and get_output_prefix.
1571 (default_print_error_function): Adjust buffer intialization.
1573 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1575 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1578 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1580 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1583 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1585 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1586 accurate data about SP moves.
1588 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1590 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1591 aliases to AM33 registers.
1593 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1595 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1596 to all EXTENDED bitmaps.
1598 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1600 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1601 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1602 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1604 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1606 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1607 the operand is not constant.
1609 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1611 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1612 as a call-clobbered regs.
1614 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1616 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1618 * rtl.def: Update comment.
1619 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1620 * integrate.c (expand_inline_function): Likewise.
1621 * profile.c (branch_prob): Likewise.
1622 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1623 * print-rtl.c (print_rtx): Likewise.
1624 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1625 (reemit_notes): Likewise; also use enum insn_note.
1627 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1628 (place_field): Properly compute know and actual alignment.
1630 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1633 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1636 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1638 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1639 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1640 (collect_expansion): Rewrite to scan over a token list.
1641 Remove -traditional support.
1642 (collect_formal_parameters): Rename to collect_params; rewrite
1643 to scan over a token list.
1644 (_cpp_create_definition): Adjust to scan a token list.
1645 (_cpp_macroexpand): Remove -traditional support.
1646 (_cpp_compare_defs): Whitespace is now canonicalized.
1647 (comp_def_part): Delete function.
1649 * cpphash.h: Update prototypes.
1650 * cpplex.c (init_token_list): Don't set lineno if there is no
1652 (pedantic_whitespace): New function.
1653 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1654 consume a newline. Use pedantic_whitespace.
1655 (_cpp_lex_token): Remove support for -traditional macros.
1656 (_cpp_get_define_token): Delete.
1657 (_cpp_get_directive_token): Do the real work here. Use
1658 pedantic_whitespace.
1659 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1661 * cpplib.c (get_macro_name): Delete.
1662 (do_define): Read the entire line into pfile->directbuf, then
1663 feed the token list to _cpp_create_definition.
1664 * cpplib.h (HSPACE_BEFORE): new define.
1665 (struct cpp_reader): Add a toklist member, "directbuf".
1667 * predict.c (estimate_probability): New heuristic: if a jump
1668 branches around a block with no successors, predict it taken.
1669 Disentangle control flow.
1671 2000-04-20 Richard Henderson <rth@cygnus.com>
1673 * loop.c (emit_iv_add_mult): Revert last change.
1675 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1677 * cpplib.h (enum cpp_ttype): Add token types for all
1678 punctuators. Distinguish pp-numbers from valid C numbers.
1679 Give some tokens better names. Initialize from macro.
1680 (struct cpp_name, cpp_token, cpp_toklist): New data
1683 * cpplex.c (bump_column, expand_name_space,
1684 expand_token_space, init_token_list, cpp_output_list,
1685 _cpp_scan_line): New functions.
1686 (output_line_command): Add third argument, new line number.
1687 * cpphash.h: Update prototypes.
1688 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1691 2000-04-20 Richard Henderson <rth@cygnus.com>
1693 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1695 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1697 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1700 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1702 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1703 REG_EQUAL note explaining the calculated value.
1705 * calls.c (expand_call): Avoid unnecesary precalculation
1706 and outgoing parameters space guarding for sibling calls.
1707 (store_one_arg): Likewise.
1709 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1711 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1712 (rest_of_compilation): Write sibling dump file and account
1713 for time as jump time.
1714 * invoke.texi: Update documentation on dump flags.
1716 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1718 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1720 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1722 * cpphash.c (special_symbol): Represent an empty macro with
1723 "\r \r " not just "\r ".
1724 (_cpp_macroexpand): Correct condition for the foo ( ) special
1726 (unsafe_chars): Handle EOF as second argument.
1727 (push_macro_expansion): Simplify test for removing escape at
1728 end. Do not trim both escapes if there is no text in between.
1730 2000-04-19 Jim Blandy <jimb@redhat.com>
1732 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1733 of PTR_SIZE, when appropriate.
1735 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1737 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1738 (USE_ENUM_BITFIELDS): Fix typo.
1740 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1742 * stor-layout.c (place_field): Set rli->offset_align properly.
1744 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1746 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1747 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1748 PARM_BOUNDARY): Remove unnecessary casts.
1750 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1752 * calls.c (precompute_arguments): Remove must_preallocate and
1754 (expand_call): Update call of precompute_arguments.
1756 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1757 check_insn_for_givs): Break out from ...
1758 (strength_reduce) ... here; use for_every_insn_in_loop to call
1759 check_insn_for_givs.
1760 * loop.h (for_every_insn_in_loop): Declare.
1761 (loop_insn_callback): New type.
1763 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1765 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1768 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1770 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1773 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1775 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1777 * configure.in: Delete --disable-cpplib option and all
1778 references to cpp_main.
1779 * configure: Regenerate.
1780 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1781 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1782 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1783 cpp$(exeext). Add --no-headers to makeinfo command line when
1784 generating INSTALL. Install and uninstall cpp.1 manpage, not
1786 * install.texi: Delete all references to cexp.y/cexp.c.
1787 Delete ancient instructions for compiling GCC on 3b1.
1788 * INSTALL: Regenerate.
1790 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1791 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1792 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1794 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1795 which is no longer tested anywhere.
1797 * cppinit.c (handle_option): Don't run error message through
1800 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1802 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1803 * cpperror.c (hashtab.h): Now include.
1804 * cppexp.c (hashtab.h): Likewise.
1805 * cpplex.c (hashtab.h): Likewise.
1806 * cppfiles.c (hashtab.h): Likewise.
1807 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1808 to htab_find_slot_with_hash.
1809 * cpphash.c (hashtab.h): Now include.
1810 (_cpp_lookup_slot): INSERT is now enum insert_option.
1811 * cpphash.h (_cpp_lookup_slot): Likewise.
1812 * cppinit.c (hashtab.h): Include earlier.
1813 (initialize_builtins): Pass enum to htab_find_slot.
1814 * cpplib.c (hashtab.h): Now include.
1815 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1816 (do_pragma_poison, do_assert): Likewise.
1817 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1818 htab_find_slot_with_hash.
1819 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1820 * tree.c (type_hash_add): Likewise.
1821 (build1): Minor cleanup.
1823 * ggc-common.c: Add missing blanks.
1824 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1825 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1827 * stmt.c (mark_case_node): New function.
1828 (mark_case_nesting): Call it.
1830 * expmed.c (emit_store_flag): If comparing two-word integer
1831 with zero, can optimize NE, EQ, GE, and LT.
1833 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1834 * conflict.c: Minor cleanups.
1835 * optabs.c: Add blank line
1836 * simplify-rtx.c: Minor cleanups.
1838 2000-04-18 Stan Cox <scox@cygnus.com>
1840 * gengenrtl.c (genlegend): Fix misspelling.
1842 2000-04-18 Robert Lipe <robertlipe@usa.net>
1844 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1845 bitfields of the host compiler are not signed quantities.
1846 * config.in: Regenerate.
1847 * configure: Regenerate.
1848 * system.h (USE_ENUM_BITFIELDS): Added.
1849 (ENUM_BITFIELDS): Added.
1850 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1851 (SHORT_ENUM_BUG): Deleted.
1852 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1854 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1855 (CODE_FIELD_BUG): Likewise.
1856 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1858 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1860 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1862 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1865 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1867 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1868 * cpplib.c (do_include, do_import, do_include_next,
1869 read_line_number, detect_if_not_defined): Likewise.
1870 * cpphash.c (collect_expansion): Likewise.
1871 (special_symbol, _cpp_macroexpand): Check return from
1873 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1874 macros. Delete all uses.
1876 * gcc.dg/cpp-mi.c: Add two more test cases.
1877 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1879 2000-04-17 Richard Henderson <rth@cygnus.com>
1881 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1882 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1884 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1886 * function.c (expand_function_start): Use hard_function_value to
1887 compute the RTL to use for DECL_RESULT.
1889 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1891 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1892 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1893 x86_memory_mismatch_stall): New global variables.
1894 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1895 alloved; fix load penalties for Athlon.
1896 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1897 x86_memory_mismatch_stall): Declare.
1898 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1899 TARGET_MEMORY_MISMATCH_STALL): New.
1900 * i386.md (athlon scheduling parameters): Fix latencies according to
1901 Athlon Optimization Manual.
1902 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1904 (fsqrt instruction patterns): Set athlon_decode to direct.
1905 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1906 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1907 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1908 and TARGET_PARTIAL_REGISTER_STALL machines.
1909 (pushdf_nointeger): New pattern.
1910 (pushdf_integer): Rename from pushdf.
1911 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1912 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1914 2000-04-17 Richard Henderson <rth@cygnus.com>
1916 * loop.c (canonicalize_condition): Add WANT_REG argument.
1917 Stop the search if we match it.
1918 * expr.h (canonicalize_condition): Update decl.
1919 * predict.c (expected_value_to_br_prob): Use it. Track last
1920 expected value note.
1921 (find_expected_value): Remove.
1923 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1925 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1927 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1928 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1930 * configure.in: Call AC_FUNC_MMAP_FILE.
1931 * configure: Regenerate.
1932 * config.in: Regenerate.
1934 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1935 * fixinc/fixincl.c: Likewise.
1937 2000-04-17 Richard Henderson <rth@cygnus.com>
1939 * builtins.c (expand_builtin_expect): New.
1940 (expand_builtin): Call it.
1941 * builtins.def (BUILT_IN_EXPECT): New.
1942 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1943 * extend.texi: Document it.
1945 * predict.c (expected_value_to_br_prob): New.
1946 (find_expected_value): New.
1947 * basic-block.h (expected_value_to_br_prob): Declare.
1948 * toplev.c (rest_of_compilation): Invoke it.
1950 * rtl.h (NOTE_EXPECTED_VALUE): New.
1951 (NOTE_INSN_EXPECTED_VALUE): New.
1952 * rtl.c (note_insn_name): Update.
1953 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1954 cases; handle NOTE_INSN_EXPECTED_VALUE.
1956 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1958 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1959 leaf sibcall delay slot if flag_pic.
1960 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1962 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1964 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1966 * fixproto: If fix-header fails, exit with an error.
1968 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1970 * cse.c (struct check_depdendence_data): New.
1971 (check_dependence): New function.
1972 (invalidate): Use check_depdenence.
1974 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1976 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1977 UNITS_PER_WORD is unsigned.
1979 * tree.h (struct tree_common): Remove misleading comment.
1981 2000-04-16 Dave Pitts <dpitts@cozx.com>
1983 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1984 message in quotes. Otherwise, IBM's make program treats the '#' as the
1985 start of a comment and ignores the remainder of the line.
1987 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1989 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1990 * cexp.y (initialize_random_junk): Likewise.
1991 * cppfiles.c (find_include_file): Cast alloca return value.
1992 * cppinit.c (initialize_standard_includes): Likewise.
1993 * cpplib.c (cpp_define, cpp_undef): Likewise.
1994 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1995 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1996 * fold-const.c (CHARMASK): New.
1997 (real_hex_to_f): Use it.
1998 * real.c (CHARMASK): New.
1999 (etoasc, asctoeg): Use it.
2000 (asctoeg): EBCDIC lower case characters preceed upper case.
2002 * i370.c (mvs_add_label): Change spacing for coding conventions.
2003 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
2004 outputing case vectors.
2005 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
2006 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
2007 since vector in in the data CSECT.
2008 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
2009 * i370.md (Many patterns): Put the length in the XL directives.
2010 (movdi): Put back STM and MVC in definition.
2011 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
2012 pattern using the TCA.
2013 * oe.h (CPP_SPEC): Added to allow trigraphs.
2014 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
2015 not support the "long long" type.
2017 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2019 * config/mips/mips-protos.h (mips_legitimate_address_p): New
2021 (mips_reg_mode_ok_for_base_p): Likewise.
2022 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
2023 (REG_OK_FOR_INDEX_P): Define unconditionally.
2024 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
2025 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
2026 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
2027 that GET_MODE_SIZE is unsigned.
2028 (mips_reg_mode_ok_for_base_p): Define.
2029 (mips_legitimate_address_p): Likewise. Adjust now
2030 that GET_MODE_SIZE is unsigned.
2031 (block_move_loop): Make the number of bytes unsigned.
2032 (expand_block_move): Likewise.
2033 (function_arg): Make the loop counter unsigned to match the
2036 2000-04-16 Richard Henderson <rth@cygnus.com>
2038 * rtl.h (enum insn_note): New enumeration. Subsume
2039 NOTE_INSN_DELETED and friends.
2040 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
2041 * rtl.c (note_insn_name): Tweak string order.
2043 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
2045 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
2048 * cpplex.c (output_line_command): Remove debugging prints.
2049 (cpp_output_tokens): Don't write out a zero-length buffer or
2050 try to see if it has a newline in it.
2051 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
2052 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
2053 the end of the loop. Use memmove. Don't read past the end of
2054 the buffer. Remove trailing newlines from error messages.
2056 2004-04-16 Neil Booth <NeilB@earthling.net>
2058 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2059 * cpplib.c: Add new syntax flags to directive table, and
2062 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2064 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2067 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2069 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2070 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2072 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2074 * Makefile.in (ggc-page.o): Now includes toplev.h.
2075 * ggc-page.c (toplev.h): Now included.
2076 (gc_time): Remove declaration.
2077 (ggc_collect): TIME now long.
2078 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2080 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2082 * toplev.c: Make *_time variable long to reduce chance of overflow.
2083 (TIMEVAR): Likewise for `otime'.
2084 (print_time): Arg is now long; compute percentage in FP and round.
2085 * toplev.h (print_time): Arg is long.
2087 * tree.c: Minor whitespace changes.
2089 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2090 * configure: Rebuilt.
2091 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2092 (__fixunsxfDI): Renamed from __fixunsxfdi.
2093 (__fixunsdfDI): Renamed from __fixunsdfdi.
2094 (__fixunssfDI): Renamed from __fixunssfdi.
2095 (__floatdisf): Use proper type in REP_BIT macro.
2096 (__fixunsxfSI): Renamed from __fixunsxfsi.
2097 (__fixunsdfSI): Renamed from __fixunsdfsi.
2098 (__fixunssfSI): Renamed from __fixunssfsi.
2099 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2100 Change location of macros and upper-case some names as above.
2101 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2102 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2104 * varasm.c (assemble_variable): Add cast to remove warning.
2105 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2107 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2108 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2109 region number to -1.
2111 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2113 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2114 call unshare_all_rtl.
2116 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2118 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2120 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2121 Use .s1 not .s0 for all FP instructions.
2123 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2125 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2127 (safe_fwrite, output_line_command): New static functions.
2128 (cpp_expand_to_buffer): Now private to cpplib.
2129 (cpp_scan_buffer): Take a printer.
2131 * cpphash.h: Update prototypes.
2132 * cpplib.h: Update prototypes.
2134 (cpp_buffer): Remove last_nominal_fname.
2135 (cpp_reader): Remove lineno.
2137 * cppmain.c: Use a cpp_printer.
2138 * fix-header.c: No need to inhibit line commands. Call
2139 cpp_start_read with no printer.
2141 * cpperror.c (cpp_notice_from_errno): Provide default name.
2142 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2143 (find_include_file, cpp_read_file): Use make_IHASH.
2144 (file_cleanup): Set control_macro and clear
2145 input_stack_listing_current here.
2146 (_cpp_execute_include): Don't output entering-file marker.
2147 * cpphash.c (special_symbol): Look for the line number in the
2148 buffer, not the reader.
2149 (_cpp_macroexpand): No need to disable line commands.
2150 (_cpp_dump_definition): No need to generate line commands.
2151 (dump_hash_helper): Remove excess newline from output.
2152 * cppinit.c (dump_special_to_buffer): No need to generate line
2154 (cpp_printer_init): New.
2155 (cpp_start_read): Take a printer, and start it up if it's not
2156 NULL. No need to generate line commands.
2157 (cpp_finish): Expect no buffers stacked at all. Take a
2158 printer argument, and flush the output buffer if it's not
2160 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2161 Don't put two hashes at the beginning of an assertion.
2162 (cpp_get_token): Don't increment pfile->lineno or emit line
2163 commands here. Return EOF if there's no buffer when we get
2165 * cpplib.c (do_define, skip_if_group):
2166 No need to disable line commands.
2167 (_cpp_output_line_command): Delete function.
2168 (do_line): Don't emit line commands here, but set things up so
2169 they will be emitted if necessary. Use _cpp_fake_ihash to
2170 make unique nominal_fnames if necessary.
2171 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2172 with 0 for column, not -1.
2173 (_cpp_handle_eof): Don't set the control macro here. Don't
2174 clear input_stack_listing_current here. Don't emit line
2177 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2179 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2180 always, use the default SVR4 start address.
2182 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2183 (LINK_SHLIB_SPEC): Define.
2184 (LINK_START_DEFAULT_SPEC): Define.
2185 (LINK_OS_DEFAULT_SPEC): Define.
2187 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2189 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2190 __do_global_ctors to handle constructors.
2191 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2192 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2193 (STARTFILE_MVME_SPEC): Likewise.
2194 (STARTFILE_SIM_SPEC): Likewise.
2195 (ENDFILE_ADS_SPEC): Use crtend.
2196 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2197 (ENDFILE_MVME_SPEC): Likewise.
2198 (ENDFILE_SIM_SPEC): Likewise.
2199 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2200 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2201 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2202 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2203 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2204 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2205 (CRTSTUFF_T_CFLAGS_S): Define.
2206 * config/rs6000/eabi-ctors.c: Delete.
2208 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2211 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2215 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2217 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2218 plus mask size is smaller or equal to the mode size.
2220 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2225 * expr.c (reload.h): Now included.
2226 (emit_block_move): Set volatile_ok when checking for movstr.
2227 (emit_move_1): Check for replacements in addresses in multi-word case.
2228 * Makefile.in (expr.o): Now includes reload.h.
2230 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2231 Never have a LIBCALL end a basic block.
2232 (find_basic_blocks_1): Likewise.
2233 Reorganize CALL_INSN cases.
2235 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2237 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2239 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2240 completers from mov.ret instruction.
2242 2000-04-14 Richard Henderson <rth@cygnus.com>
2244 * fold-const.c (extract_muldiv): Don't distribute and widen
2245 multiply across plus for non-sizetype unsigned types.
2247 2000-04-14 Richard Henderson <rth@cygnus.com>
2249 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2250 If the original source is dead in the incr insn, it's dead now.
2252 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2254 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2255 see if DECL_BIT_FIELD needs to still be set.
2257 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2259 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2260 print_int_cst_octal with something that's not an INTEGER_CST.
2262 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2263 and not a SUBREG to a FLOAT rtl.
2265 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2267 * emit-rtl.c (try_split): Avoid infinite loop if the split
2268 results in a sequence that contains the original insn.
2270 2000-04-13 Andreas Jaeger <aj@suse.de>
2272 * config/mips/mips.c (expand_block_move): Pass alignment
2273 argument to move_by_pieces in bits, not bytes.
2275 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2276 __pic__ for little endian.
2278 2000-04-13 Andreas Jaeger <aj@suse.de>
2280 * config/i386/i386-protos.h: Add prototype for
2281 uno_comparison_operator.
2283 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2285 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2286 * calls.c (ECF_PURE): New flag.
2287 (emit_call_1): Handle ECF_PURE calls.
2288 (initialize_argument_information): Unset ECF_PURE flag too.
2289 (precompute_arguments): Precompute for ECF_PURE too.
2290 (expand_call): Handle ECF_PURE calls too.
2291 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2292 accept value of 2 as pure function.
2293 (emit_library_call_value, emit_library_call): Rename no_queue argument
2295 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2297 * tree.h (DECL_IS_PURE): New macro.
2298 (struct tree_decl): Add pure_flag.
2299 * c-common.c (enum attrs): Add attribute "pure".
2300 (init_attributes): Initialize attribute "pure"
2301 (decl_attributes): Handle attribute "pure".
2302 * extend.texi (Attribute "pure"): Document.
2303 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2305 (flags_from_decl_or_type): Support attribute "pure".
2307 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2309 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2310 the token except for numbers and identifiers.
2312 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2314 * i386.c (ix86_expand_binary_operator,
2315 ix86_expand_unary_operator): Check no_new_pseudos
2316 instead of reload_in_progress and reload_completed.
2317 (ix86_split_ashldi, ix86_split_ashrdi,
2318 ix86_split_lshrdi): Check no_new_pseudos instead
2319 of reload_completed.
2321 2000-04-12 Jeffrey A Law (law@cygnus.com)
2323 * function.c (purge_addressof): Unshare any shared rtl created by
2324 purge_addressof and its children.
2326 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2328 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2331 2000-04-05 Andreas Jaeger <aj@suse.de>
2333 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2334 not compiling PIC code, add flags for mabi=64.
2335 (SUBTARGET_CPP_SIZE_SPEC): New.
2336 (SUBTARGET_CPP_SPEC): New.
2337 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2338 for MIPS/Linux and lots of code needs these defines.
2340 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2342 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2343 trying the "opposite arithmetic" approach.
2345 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2347 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2348 (struct sh_args): Add new field force_mem.
2349 (INIT_CUMULATIVE_ARGS): Initialize it.
2350 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2352 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2354 * calls.c (expand_call): Do not reverse args in "equal from" field.
2355 (emit_library_call_value_1): Emit_libcall_block for const and pure
2358 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2360 * reload1.c (reload_combine): Don't enable optimization for fixed
2361 registers when encountering a BARRIER.
2363 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2365 * builtins.c (expand_builtin_memcmp): Do expansion even with
2366 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2368 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2369 stack is propertly aligned; add sanity checking for aligned
2371 (expand_library_call_value_1): Add sanity checking for aligned
2374 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2376 * calls.c (emit_library_call_value_1): Change 3rd arg to
2377 locate_and_pad_parm to disregard the setting of partial.
2379 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2381 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2383 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2384 CALL_INSN from the normal case.
2386 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2388 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2389 New global variables.
2390 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2392 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2394 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2395 TARGET_ADD_ESP_8): New macros.
2396 * i386.md: Add peep2s to convert esp adjustments to push and pop
2398 (pushsi_prologue, popsi_epilogue): New patterns.
2400 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2402 * real.c (toe64): Remove stale #endif from the last change.
2404 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2406 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2407 * real.c (toe64): Revert previous change.
2409 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2411 * objc/objc-act.c: Include ggc.h.
2412 (objc_tree_index, objc_global_trees): Convert most of the
2413 static tree variables into a static array with previous names
2415 (objc_ellipsis_node): New variable.
2416 (lang_init): Call objc_act_parse_init and c_parse_init.
2417 Create objc_ellipsis_node.
2418 (build_selector_translation_table): Use objc_ellipsis_node instead
2420 (hack_method_prototype): Likewise.
2421 (get_arg_type_list): Likewise.
2422 (start_method_def): Likewise.
2423 (continue_method_def): Likewise.
2424 (gen_method_decl): Likewise.
2425 (ggc_mark_imp_list): New function.
2426 (ggc_mark_hash_table): New function.
2427 (objc_act_parse_init): New function.
2428 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2429 * c-parse.in (c_parse_init): For objc add roots of objc specific
2430 local tree variables.
2431 * objc/objc-parse.y: Rebuilt.
2432 * objc/objc-parse.c: Rebuilt.
2433 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2435 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2437 * cse.c (delete_trivially_dead_insns): Also delete insns
2438 that copy a register to itself where the destination is
2441 2000-04-11 Richard Henderson <rth@cygnus.com>
2443 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2444 (propagate_block): Initialize them. Use them in parallel instead
2445 of one tmp variable, ie revert much of the 0408 and 0407 functional
2446 changes, but keep the structural changes.
2447 (mark_set_regs): Take new_dead from propagate_block_info instead.
2448 (mark_set_1, mark_set_reg): Likewise.
2449 (mark_used_regs): Likewise with new_live.
2450 (mark_used_reg): Likewise. Revert 0408 change.
2452 2000-04-11 Nick Clifton <nickc@cygnus.com>
2454 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2456 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2458 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2460 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2461 const section to output a CONSTRUCTOR based on the same conditions
2464 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2466 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2467 * pa/pa-protos.h (output_call): Add additional argument indicating
2468 if the call is a sibling/tail call.
2469 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2470 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2471 (function_arg, function_arg_partial_nregs): Likewise
2472 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2473 (emit_move_sequence): Zero extend certain constants as needed
2475 (compute_zdepdi_operands, output_64bit_and): New functions.
2476 (output_64bit_ior, function_arg): Likewise.
2477 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2478 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2479 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2480 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2481 (output_bvb): Likewise.
2482 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2483 (output_call): New argument 'sibcall'. Generate sibcall sequences
2485 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2486 (ouput_arg_descriptor): Do not emit argument descriptors for
2488 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2490 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2491 (FUNCTION_OK_FOR_SIBALL): Define.
2492 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2493 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2494 (CPP_SPEC): Use new spec infrastructure.
2495 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2496 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2497 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2498 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2499 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2500 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2501 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2502 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2503 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2504 (FUNCTION_ARG); Call out to C code.
2505 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2506 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2507 (MIN_UNITS_PER_WORD): Likewise.
2508 * pa/pa.md (cmpdi): New expander.
2509 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2510 (64bit conditional arithmetic): New patterns.
2511 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2512 (movsicc): Not available if modes on all the operands to not match.
2513 (movdicc): New expander and associated patterns.
2514 (64bit branches): New patterns.
2515 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2516 (pre_ldd, post_std): New patterns.
2517 (64bit addil, load low part): New patterns.
2518 (special movsf constant): Not available for TARGET_64BIT.
2519 (movsf, movdf expanders): Force constants into memory.
2520 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2521 (64bit movdf/movdi patterns): New patterns.
2522 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2524 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2525 (adddi3 expander): Allow "arith_operand" for second input.
2526 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2527 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2528 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2529 (muldi3): New expander for TARGET_64BIT.
2530 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2532 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2533 patterns for TARGET_64BIT.
2534 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2535 patterns for TARGET_64BIT.
2536 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2537 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2538 (sibcall_epilogue): New expander.
2539 (casesi): Tweak for TARGET_64BIT.
2540 (call expanders): Set & use the outgoing argument pointer. Use the
2541 64bit call patterns as needed. Add additional arg to output_call.
2542 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2543 (sibcall, sibcall_internal_symref): New expanders.
2544 (sibcall_value, sibcall_value_internal_symref
2545 (interspace_jump): Turn into an expander + matching patterns.
2546 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2547 * pa/pa64-regs.h: Eliminate trigraph sequences.
2548 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2550 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2552 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2553 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2554 cpp_token with cpp_ttype everywhere.
2555 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2556 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2557 CPP_BUF_COL. Line and column numbers are unsigned int, not
2559 * cpplex.c (cpp_buf_line_and_col): Delete.
2560 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2561 'long lineno' to 'unsigned int lineno'.
2562 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2564 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2566 * extend.texi: ISO C99 is not a draft anymore.
2567 * invoke.texi: ISO C++ is not a draft anymore.
2568 * cpp.texi: __cplusplus is required by the ISO standard.
2570 * extend.texi (-fthis-is-variable): Undocument.
2571 * flags.h (warn_template_debugging): Remove declaration.
2572 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2573 -Wenum-clash, -Wtemplate-debugging): Undocument.
2575 2000-04-10 Nick Clifton <nickc@cygnus.com>
2577 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2579 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2581 (ARM_SIGN_EXTEND): Use HOST_UINT.
2582 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2583 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2584 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2585 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2587 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2588 (arm_gen_constant): Use HOST_UINT.
2589 (arm_canonicalize_constant): Use HOST_UINT.
2590 (arm_reload_in_hi): Use HOST_UINT.
2591 (arm_reload_out_hi): Use HOST_UINT.
2592 (output_multi_immediate): Use HOST_UINT.
2593 (int_log2): Use HOST_UINT.
2594 (arm_poke_function_name): Use HOST_UINT.
2595 (arm_output_epilogue): Use arm_volatile_func().
2596 (output_thumb_prologue): Use arm_strip_name_encoding().
2598 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2600 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2601 of sequence point problems.
2603 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2605 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2607 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2609 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2611 * sbitmap.h: Whitespace changes and use upper-case macro args.
2612 (struct simple_bitmap_def): All sizes now unsigned.
2613 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2614 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2615 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2616 (sbitmap_zero): Cast bzero arg to PTR.
2617 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2618 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2619 loop to make structure clearer.
2620 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2621 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2622 (sbitmap_a_and_b_or_c): Likewise.
2623 (sbitmap_intersection_of_succs): Minor cleanups.
2624 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2625 (sbitmap_union_of_preds): Likewise.
2626 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2627 (debug_sbitmap): New function.
2629 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2630 * c-typeck.c (convert_for_assignment): Likewise.
2632 * expmed.c (init_expmed): Don't free objects we make.
2633 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2635 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2636 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2638 * gcse.c (expr_hash_table_size): Now unsigned.
2639 (compute_ae_gen): Local variable `i' now unsigned.
2640 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2641 (compute_transout, hoist_code): Likewise.
2642 (compute_local_properties): Likewise, also hash_table_size.
2643 (alloc_expr_hash_table): N_INSNS now unsigned.
2644 (delete_null_pointer_checks): Mark arg F as unused.
2646 * regrename.c: Minor cleanups, including chang some variables
2649 2000-04-10 Neil Booth <NeilB@earthling.net>
2651 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2653 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2655 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2657 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2658 __classof__, and __headof__ from the list of gnu keywords.
2659 (-ansi): Remove -foperator-names from list of implied options.
2660 Do not call it ANSI C++.
2661 (-foperator-names): Document as -fno-operator-names.
2663 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2665 * cpphash.c (timestamp): Delete.
2666 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2667 (special_symbol): Remove unnecessary braces. Remove
2668 T_VERSION. Treat T_STDC like T_CONST unless
2669 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2670 when one is encountered, then convert them into T_MCONST
2672 * cppinit.c (builtin_array): version_string is T_MCONST.
2673 __STDC__ has a "1" in its cpval. Don't have a terminator
2674 entry. Clean up which entries are dumped.
2675 (initialize_builtins): Only __STDC__ gets the special
2676 -traditional treatment. Count the length of builtin_array.
2677 Render version_string here.
2678 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2679 * cpplib.h (struct cpp_reader): Remove timebuf.
2681 2000-04-09 Richard Henderson <rth@cygnus.com>
2683 * genrecog.c (pred): Update comparison_operator for the unordered
2686 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2688 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2689 (uno_comparison_operator): New.
2690 (put_condition_code): Handle UNORDERED/ORDERED.
2691 (unsigned_comparison): Likewise.
2692 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2693 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2694 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2695 update all callers. Handle all 8 unordered operators.
2696 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2697 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2698 * config/i386/i386.h (PREDICATE_CODES): Update.
2699 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2700 (ix86_expand_branch, ix86_expand_setcc): Update.
2701 * config/i386/i386.md (sunordered, sordered): New.
2702 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2703 (bunordered, bordered): New.
2704 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2705 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2706 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2708 2000-04-09 Philip Blundell <philb@gnu.org>
2710 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2712 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2714 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2715 fix_truncxfhi2): New patterns.
2716 * i386.c (output_fix_trunc): Handle converting to HImode.
2718 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2720 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2722 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2723 (for_each_successor_phi): Change parameter to basic_block.
2724 (coalesce_regs_in_successor_phi_nodes): Likewise.
2725 (coalesce_regs_in_copies): Likewise.
2726 (compute_coalesced_reg_partition): Use basic_block instead of index.
2727 * rtl.h (convert_to_ssa): Delete.
2728 (convert_from_ssa): Likewise.
2729 (successor_phi_fn): Likewise.
2730 (for_each_successor_phi): Likewise.
2731 (in_ssa_form): Likewise.
2732 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2733 (convert_from_ssa): Likewise.
2734 (successor_phi_fn): Likewise.
2735 (in_ssa_form): Likewise.
2736 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2737 * flow.c (calculate_global_regs_live): Pass a basic_block to
2738 for_each_successor_phi.
2740 2000-04-08 Richard Henderson <rth@cygnus.com>
2742 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2743 was modified in the current insn.
2745 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2747 * arm/thumb.md: Delete.
2748 * arm/thumb-protos.h: Delete.
2750 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2752 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2754 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2756 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2759 * arm.md (nop): Use the standard RTL expression. Don't code as a
2761 (*arm_nop, *thumb_nop): Delete.
2763 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2764 constants. Use casts instead.
2765 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2766 output_multi_immediate, arm_poke_function_name): Likewise.
2767 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2768 MASK_RETURN_ADDDR): Likewise.
2770 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2772 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2775 * arm.md (eh_epilogue): New function.
2776 * arm.h (struct machine_function): Move to here ...
2777 * arm.c: ... from here.
2778 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2779 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2780 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2782 2000-03-30 Nick Clifton <nickc@cygnus.com>
2784 * config/arm/semi.h (ASM_SPEC): Restore definition.
2785 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2787 * config/arm/elf.h (ASM_SPEC): Restore definition.
2788 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2790 * config/arm/arm.h (ASM_SPEC): Remove definition.
2791 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2793 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2795 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2797 2000-03-24 Nick Clifton <nickc@cygnus.com>
2799 Various formating tidyups, elimination of compile time
2800 warnings and synchronisation with internal sources:
2802 * config/arm/arm-protos.h (assemble_align): Add prototype.
2803 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2804 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2805 (arm_return_addr_rtx): Rename to arm_return_addr.
2807 * config/arm/arm.c: Include except.h.
2808 Define shorter typenames for strict minipool_node and struct
2810 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2812 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2813 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2815 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2817 (ASM_SPEC): Define if not already defined.
2818 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2820 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2821 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2822 arm_gen_compare_reg.
2823 (indirect_jump): Only accept register operands.
2824 (load_indirect_jump): Keep this pattern since combine can generate
2827 * config/arm/coff.h: Include aout.h.
2828 (MULTILIB_DEFAULTS): Only define if not already defined.
2830 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2831 into arm.h (so that COFF ports can support thumb based aliases).
2832 (ASM_SPEC): Move definition into arm.h
2834 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2835 redundant apcs spec.
2836 (ASM_SPEC): Move definition to arm.h
2838 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2840 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2841 for entries in the .bss section
2843 2000-03-23 Nick Clifton <nickc@cygnus.com>
2845 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2846 to thumb_far_jump_used_p.
2848 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2849 single integer parameter.
2851 * config/arm/arm.c (struct machine_function): Add two new
2852 fields, 'far_jump_used' and 'arg_pointer_live'.
2853 (thumb_far_jump_used_p): Once the decision has been made that
2854 far jumps might be used, always return true.
2855 If being called from the initial elimination offset macro then
2856 do not bother to perform the test if the arg pointer is not
2858 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2859 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2861 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2863 * arm.c (output_return_instruction): Handle more cases where we can
2864 return from a function with an ldr instruction.
2865 (arm_output_epilogue): Likewise.
2867 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2868 if we need to push a large stack frame and there are no callee-saved
2871 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2872 in ARM code if the frame pointer has been eliminated.
2874 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2875 unspec_volatile arguments to avoid duplicates.
2876 (consttable_1, consttable_2): Fixes for big-endian mode.
2878 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2881 Re-write constant pool code.
2882 * arm.c (minipool_node, minipool_fix): New types.
2883 (minifix): Delete type.
2884 (arm_add_minipool_constant): Delete.
2885 (arm_compute_minipool_offsets, arm_find_barrier,
2886 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2887 (get_jump_table_size): Now returns HOST_WIDE_INT.
2888 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2890 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2891 (assign_minipool_offsets, arm_print_value): Likewise.
2892 (dump_minipool): Rewrite.
2893 (arm_barrier_cost): New function.
2894 (create_fix_barrier): New function.
2895 (push_minipool_barrier): New function.
2896 (push_minipool_fix): Record additional information about the fixup
2898 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2899 check the mode of what needs fixing.
2900 (arm_reorg): Rewrite.
2902 2000-03-08 Nick Clifton <nickc@cygnus.com>
2904 * config/arm/arm.md (indirect_jump): Force constant addresses into
2907 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2909 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2911 2000-02-24 Nick Clifton <nickc@cygnus.com>
2913 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2914 adjust is word aligned.
2915 (thumb_expand_epilogue): Make sure that stack adjust is word
2918 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2920 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2922 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2923 pointer relative addresses.
2925 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2927 * arm.c (find_barrier): Find the last barrier within the allowed
2930 2000-02-09 Nick Clifton <nickc@cygnus.com>
2932 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2934 2000-02-09 Nick Clifton <nickc@cygnus.com>
2936 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2937 ARM_FUNCTION_PROFILER.
2939 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2940 ARM_FUNCTION_PROFILER.
2942 * config/arm/linux-oldld.h: Imported from mainline sources.
2944 2000-02-07 Nick Clifton <nickc@cygnus.com>
2946 * config/arm/lib1funcs.asm: Merge in thumb functions from
2949 * config/arm/lib1thumb.asm: Delete.
2951 2000-02-04 Nick Clifton <nickc@cygnus.com>
2953 * config/arm/arm.c: Sychronised with current Red hat local
2955 * config/arm/arm.h: Ditto.
2956 * config/arm/arm-protos.h: Ditto.
2958 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2960 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2962 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2965 2000-02-02 Nick Clifton <nickc@cygnus.com>
2967 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2969 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2970 (return) was emited using an emit_insn() call.
2972 2000-01-31 Nick Clifton <nickc@cygnus.com>
2974 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2976 (thumb_exit): Move frame pointer back into hard frame pointer
2977 register if backtracing is being used.
2979 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2981 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2984 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2986 * config/arm/arm.md (neg_pool_offset): Provide default for new
2988 (arm_movsi_insn): Add neg_pool_offset attribute.
2989 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2990 rtx for the insn that starts the scan and an unsigned long for its
2991 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2992 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2993 instructions in *PINSERTED.
2994 (struct minipool_fixup): Add MIN_ADDRESS elt.
2995 (sort_fixups): Compute it.
2996 (arm_reorg): Changes to support inserting pools before the insn to be
2999 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
3001 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
3002 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
3003 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
3005 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
3007 * config/arm/semi.h (TARGET_VERSION): Do not define if already
3009 (TARGET_DEFAULT): Do not define if already defined.
3011 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
3013 * config/arm/arm.md (anddi3): Allow disjoint source operands.
3014 (iordi3): Allow disjoint source operands.
3015 (xordi3): Allow disjoint source operands.
3016 (negdi2): Permit construction for ARM and Thumb.
3017 (arm_negdi2): Renamed version of old negdi2 pattern.
3018 (thumb_negdi2): New pattern: Only permit non-overlapping
3019 source and destination.
3021 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
3023 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
3024 scratch low register so that it will not be deleted.
3026 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
3028 * config/arm/pe.h (ARM_PE): Define.
3030 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
3031 interfacearm attribute if this is a PE toolchain.
3032 (output_return_instruction): Do not emit anything if the function
3033 has the naked attribute set.
3034 (is_called_in_ARM_mode): If the function has the interfacearm
3035 attribute then return true.
3036 (thumb_expand_prologue): Do not generate a prologue for naked
3038 (thumb_expand_epilogue): Do not generate an epilogie for a naked
3040 (output_thumb_prologue): Do not bother if the function is naked.
3041 Strip PE encoding from function name before emitting.
3043 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3045 * arm.md (pic_load_addr): Fix constraints.
3047 * arm.md (casesi_insn): Fix mis-applied patch.
3049 * arm.md ("core" function unit): Add rules for single- and
3051 (All TARGET_THUMB patterns): Add "type" attribute information
3053 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3054 the following insn is a CALL.
3056 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3058 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3059 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3060 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3062 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3064 * config/arm/linux-gas.h: oops - this file was missed out when the
3065 branch was created...
3067 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3069 * thumb.c: Deleted. Move contents to ...
3071 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3073 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3076 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3077 declare a prototype for asm_output_align();
3079 * arm.c (thumb_condition_code): Delete.
3080 (arm_print_operand): Always use arm_condition_code array.
3082 * arm.c (thumb_return_addr_rtx): Delete.
3083 (arm_save_machine_status, arm_restore_machine_status): Delete.
3084 (arm_init_machine_status, arm_mark_machine_status): New functions.
3085 (arm_init_expanders): Update accordingly.
3086 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3087 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3088 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3090 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3092 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3094 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3097 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3099 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3100 stack backtrace structure.
3102 * config/arm/arm-protos.h: Add prototypes for functions defined in
3105 * config/arm/arm.c (arm_override_options): Fix selection of
3106 attributes of default processor.
3108 * config/arm/coff.h: Delete needless #include.
3110 * config/arm/pe.c: Delete unused code.
3112 * config/arm/pe.h (CPP_DEFINES): Delete
3113 (SUBTARGET_CPP_SPEC): Define.
3114 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3116 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3118 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3120 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3122 (CAN_DEBUG_WITHOUT_FP): Define.
3123 (FIXED_REGISTERS): Make r11 call-saved.
3124 (CALL_USED_REGISTERS): Likewise.
3125 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3126 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3127 frame-pointer is required.
3128 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3129 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3130 if the target normally needs a stack frame in non-leaf functions.
3131 (use_return_insn): Correct logic for determining when a return
3132 instruction can be used.
3133 (output_return_instruction): Handle the frame-pointer register as
3134 a normal register when not TARGET_APCS_FRAME.
3135 (arm_output_prologue): Likewise.
3136 (arm_output_epilogue): Likewise.
3137 (output_func_epilogue): Likewise.
3138 (arm_expand_prologue): Likewise.
3139 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3141 * arm.c (use_return_insn): No need to check floating point regs if
3143 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3144 the code of value stored in the minipool array.
3145 (arm_add_minipool_constant): Likewise.
3147 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3149 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3151 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3153 * tree.c (tree_expr_nonnegative_p): New function.
3155 * tree.h (tree_expr_nonnegative_p): Declare.
3157 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3158 elide some sign_compare warnings.
3159 (build_conditional_expr): Likewise.
3161 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3163 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3165 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3166 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3167 operand. Abort if a 387 operand has an unsupported size.
3169 2000-04-08 Neil Booth <NeilB@earthling.net>
3171 * cppexp.c (parse_charconst): Null does not end character
3173 * cppinit.c (ISTABLE): Null character handled as whitespace.
3174 * cpplex.c (null_warning): new function.
3175 (skip_string): Emit warning if nulls encountered.
3176 (_cpp_skip_hspace): Emit warning if nulls encountered.
3177 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3181 2000-04-07 Richard Henderson <rth@cygnus.com>
3183 * flow.c (loop_depth): Remove.
3184 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3185 (struct propagate_block_info): New.
3186 (life_analysis): Don't allocate reg_next_use.
3187 (propagate_block_delete_insn): Break out of propagate_block.
3188 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3189 (propagate_block_delete_libcall): Likewise.
3190 (propagate_block): Create a propagate_block_info struct to pass
3191 to subroutines. Allocate one not two temporary regsets. Don't
3192 clobber memory for const calls. Look for clobbers in
3193 CALL_INSN_FUNCTION_USAGE.
3194 (mark_set_regs): Recognize COND_EXEC.
3195 (mark_set_reg): Break out of mark_set_1.
3196 (mark_used_reg): Break out of mark_used_regs.
3197 (mark_used_regs): Recognize COND_EXEC.
3198 (insn_dead_p): Use propagate_block_info struct.
3199 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3200 (find_auto_inc, try_pre_increment_1): Likewise.
3201 (print_rtl_with_bb): Dump regs live at end too.
3202 (count_reg_sets_1): Pass in loop_depth.
3203 (count_reg_sets, count_reg_references): Likewise.
3204 (recompute_reg_usage): Provide it.
3206 2000-04-07 Richard Henderson <rth@cygnus.com>
3208 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3211 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3213 * cpplib.c (do_elif): Skip the rest of the line if we're
3214 not going to bother evaluating it.
3215 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3216 to avoid pointless calls to the lexer.
3218 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3220 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3222 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3224 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3226 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3228 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3230 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3232 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3233 crtend so they can be multilibbed.
3234 (STAGESTUFF): Remove s-crt and s-crtS.
3236 2000-04-07 Richard Henderson <rth@cygnus.com>
3238 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3239 if we discover we need a pseudo and no_new_pseudos is true.
3240 * config/alpha/alpha.md (ne:DI insn): New.
3241 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3243 2000-04-07 Richard Henderson <rth@cygnus.com>
3245 * rtl.def (COND_EXEC): New.
3246 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3247 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3249 * genconfig.c (have_cond_arith_flag): Remove.
3250 (have_cond_exec_flag): New.
3251 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3252 (main): Print HAVE_conditional_execution.
3254 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3255 (sched_analyze_insn, print_pattern): Likewise.
3256 * reload.c (find_equiv_reg): Likewise.
3257 * rtlanal.c (reg_referenced_p): Likewise.
3258 (note_stores, dead_or_set_regno_p): Likewise.
3259 (reg_overlap_mentioned_p): Rewrite to use a switch.
3261 * ggc.h (struct rtx_def): Forward declare.
3263 * print-rtl.c (debug_rtx_range): New.
3264 * rtl.h (debug_rtx_range): Declare.
3266 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3268 * gcse.c (gcse_main): Don't rebuild the CFG here.
3269 (delete_null_pointer_checks): Likewise.
3270 * ssa.c (convert_to_ssa): Likewise.
3271 * toplev.c (rest_of_compilation): Do it here instead. Combine
3272 sequential calls to TIMEVAR. Consistently use `insns' instead of
3273 `get_insns()'. Always split insns after reload when optimizing.
3275 * basic-block.h (merge_blocks_nomove): Declare.
3276 (tidy_fallthru_edge): Declare.
3277 * flow.c (merge_blocks_nomove): Document as merging into previous
3278 blocks. Remove cruft from between blocks; remove all edges out of A.
3279 (tidy_fallthru_edge): Export.
3281 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3283 * ssa.c (compute_conservative_reg_partition): Declare with
3285 * toplev.c (clean_dump_file): Remove previously-deleted function
3286 inadvertantly merged back in.
3287 * conflict.c (conflict_graph_add): Use a single call to
3288 htab_find_slot to look up and insert.
3290 2000-04-06 Richard Henderson <rth@cygnus.com>
3292 * genrecog.c (*): Rename _last_insn to last_insn.
3293 (make_insn_sequence): Set the position of the peephole2 C test
3294 to be at the last insn.
3296 2000-04-06 Richard Henderson <rth@cygnus.com>
3298 * flow.c (compute_flow_dominators): Free worklist.
3300 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3302 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3304 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3306 * rtl.h (INSN_P): New macro.
3307 (successor_phi_fn): New typedef.
3308 (for_each_successor_phi): New prototype.
3309 (in_ssa_form): New variable.
3310 (PHI_NODE_P): Likewise.
3311 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3312 phi nodes in successors.
3313 (mark_used_regs): Add PHI case.
3314 (set_phi_alternative_reg): New function.
3315 (life_analysis): Assert that dead code elimination is not selected
3317 * toplev.c (to_ssa_time): New variable.
3318 (from_ssa_time): Likewise.
3319 (compile_file): Zero to_ssa_time and from_ssa_time.
3320 Print time to convert to and from SSA.
3321 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3322 (print_time): Compute percent fraction as integer.
3323 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3324 (convert_to_ssa): Check if we're already in SSA.
3325 Don't eliminate dead code in life_analysis.
3326 Rerun flow and life analysis at bottom.
3327 (eliminate_phi): Use canonical regnos when adding nodes.
3328 (mark_reg_in_phi): New function.
3329 (mark_phi_and_copy_regs): Likewise.
3330 (convert_from_ssa): Rerun life analysis at top.
3331 Use coalesced partition.
3332 Check for removing a phi node at the end of the block.
3333 (compute_coalesced_reg_partition): New function.
3334 (coalesce_regs_in_copies): Likewise.
3335 (coalesce_reg_in_phi): Likewise.
3336 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3337 (for_each_successor_phi): Likewise.
3338 (rename_context): New struct.
3339 (rename_block): Use a rename_context with rename_insn_1. When
3340 renaming sets of a subreg, emit a copy of the entire reg first.
3341 (rename_insn_1): Treat data as a rename_context *. Save current
3343 (rename_set_data): Add field set_insn.
3344 * Makefile.in (HASHTAB_H): Move up in file.
3345 (OBSTACK_H): New macro.
3346 (collect2.o): Use OBSTACK_H in dependencies.
3347 (sdbout.o): Likewise.
3348 (emit-rtl.o): Likewise.
3349 (simplify-rtx.o): Likewise.
3350 (fix-header.o): Likewise.
3351 (OBJS): Add conflict.o.
3352 (conflict.o): New rule.
3353 * basic-block.h: Include partition.h.
3354 (conflict_graph): New typedef.
3355 (conflict_graph_enum_fn): Likewise.
3356 (conflict_graph_new): New prototype.
3357 (conflict_graph_delete): Likewise.
3358 (conflict_graph_add): Likewise.
3359 (conflict_graph_conflict_p): Likewise.
3360 (conflict_graph_enum): Likewise.
3361 (conflict_graph_merge_regs): Likewise.
3362 (conflict_graph_print): Likewise.
3363 (conflict_graph_compute): Likewise.
3364 * conflict.c: New file.
3366 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3368 * tlink.c (read_repo_files): Don't look for .rpo info for
3371 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3373 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3375 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3377 * config/sh/lib1funcs.asm (___udivsi3_i4):
3378 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3379 only depends on FMOVD_WORKS.
3381 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3383 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3384 make double constant 8-byte aligned.
3386 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3388 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3389 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3390 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3391 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3392 Accept storing GENERAL_REGS into offsetable memory.
3393 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3394 building a TFmode constant other than 0.0L into GENERAL_REGS.
3396 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3398 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3400 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3402 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3403 (macro_cleanup): No need to cast pbuf->macro.
3404 (collect_expansion): Use _cpp_get_define_token. Goto done if
3405 it returns VSPACE. Remove check for trailing space after
3407 (_cpp_create_definition): Don't diddle flags here. Return
3409 (unsafe_chars): Handle c1 being EOF.
3410 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3411 checks. Don't push the buffer till after we're done with
3413 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3414 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3415 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3417 (_cpp_parse_assertion): Don't NUL terminate.
3418 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3419 hspace before calling _cpp_parse_assertion. Remove all sets
3420 of only_seen_white. Treat '\f' as hspace. Don't do anything
3421 special with '\n' here.
3422 (maybe_macroexpand): Handle T_EMPTY hash entries without
3423 pushing a buffer at all.
3424 (cpp_get_token): Handle clearing only_seen_white here. Handle
3425 incrementing the line number here. Clear
3426 potential_control_macro as well as only_seen_white, if
3428 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3429 (_cpp_get_define_token): New function, basically like
3430 _cpp_get_directive_token was but doesn't eat horizontal space.
3431 Don't do anything with only_seen_white here.
3432 (_cpp_get_directive_token): Just call _cpp_get_define_token
3433 repeatedly till it returns non-hspace.
3435 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3436 (conditional_skip, skip_if_group): Return int.
3437 (DIRECTIVE_TABLE): Change origin of all conditional directives
3439 (TRAD_DIRECT_P): New macro.
3440 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3441 an error for a bogus directive, unless -lang-asm. Use
3442 TRAD_DIRECT_P. Loop calling handler functions till one returns
3444 (get_macro_name): Don't diddle flags here.
3445 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3446 Create T_EMPTY nodes for #define macro /* nothing */.
3447 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3448 Use hp->name when calling pass_thru_directive.
3449 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3450 Return the result of conditional_skip and/or skip_if_group.
3451 Don't call _cpp_output_line_command.
3452 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3453 Issue -Wtraditional warnings as appropriate. Don't complain
3454 about unrecognized directives. If we are to stop skipping,
3455 return the number of the directive that ended the skip.
3456 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3457 expansion and line commands while skipping. Return the result
3458 of consider_directive_while_skipping, if nonzero.
3459 (do_endif): Just set potential_control_macro here.
3460 (validate_else): Use _cpp_get_directive_token.
3461 (do_assert, do_unassert): Don't save pointers into the
3462 token_buffer across calls to the lexer. Use
3463 _cpp_get_directive_token.
3465 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3466 pointer, not an offset. Replace 'data', which was a generic
3467 pointer, with 'macro', which points to a struct hashnode.
3468 (cpp_reader): Add 'potential_control_macro' pointer.
3469 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3470 (CPP_BUF_GET, CPP_FORWARD): Delete.
3471 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3472 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3473 ACTIVE_MARK_P): Update.
3474 (_cpp_get_define_token): New internal function.
3475 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3477 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3479 * configure.in: And here.
3480 * configure: Regenerate.
3481 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3482 --enable-libstdcxx-v3 is passed at configure time.
3483 * config.h.in: Regenerate.
3485 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3487 * final.c (final): Use xcalloc to allocate line_note_exists.
3488 * function.c (free_after_compilation): Free the temp_slots.
3489 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3490 (combine_temp_slot): Free temp_slots when they get combined.
3491 (purge_addressof): Fix typo in comment.
3492 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3493 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3495 * ggc.h: Include varray.h.
3496 (ggc_pending_trees): Declare.
3497 (ggc_mark_tree_children): Remove declaration.
3498 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3499 * ggc-common.c (ggc_pending_trees): New variable.
3500 (ggc_mark_roots): Call ggc_mark_trees.
3501 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3502 the ggc_pending_trees.
3503 * Makefile.in (GGC_H): New variable. Use it throughout in place
3506 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3508 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3511 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3513 * sh.c (sh_insn_length_adjustment): New function.
3514 * sh-protos.h (sh_insn_length_adjustment): Declare.
3515 * sh.h (ADJUST_INSN_LENGTH): Use it.
3517 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3519 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3520 from the insn where REG_RETVAL is added.
3521 (emit_no_conflict_block): Ditto.
3523 * md.texi (Standard Names): Clarify when movX is needed.
3525 * combine.c (simplify_comparison) [MINUS]: Do not replace
3526 all (op (minus A B) 0) with (op A B).
3528 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3529 J"orn Rennecke <amylaar@cygnus.co.uk>
3531 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3532 (block_lump_real): Likewise.
3534 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3536 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3537 remaining non-zero debugging masks.
3539 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3541 * basic-block.h (verify_flow_info): Declare.
3542 (flow_loop_outside_edge_p): Declare.
3543 * flow.c (verify_flow_info): Remove declaration.
3544 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3546 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3548 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3551 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3553 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3554 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3555 seqdi_zero_trunc+1): Allow splits only if registers are
3558 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3560 * acconfig.h: Add HAVE_GAS_HIDDEN.
3561 * config.in: Regenerated.
3562 * configure.in: Add test for .hidden pseudo-op in gas.
3563 * configure: Regenerated.
3564 * crtstuff.c: Include auto-host.h.
3565 Emit additional .hidden pseudo-op for __dso_handle if the
3566 assembler knows about it.
3568 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3570 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3571 before freeing argnames.
3572 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3574 2000-04-05 Michael Meissner <meissner@redhat.com>
3576 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3577 Walton <jonboy@gordian.com> to make memory references with update
3578 work wtih -mregnames.
3580 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3582 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3583 (regrename_optimize): Rename variables `def_uses' and
3584 `ext_basic_blocks' to avoid conflicts with similarly named
3585 typedefs in traditional C.
3587 * calls.c (initialize_argument_information): Fix typo in previous
3590 2000-04-04 Richard Henderson <rth@cygnus.com>
3592 * regrename.c (consider_available): Test fixed_regs not
3593 PIC_OFFSET_TABLE_REGNUM.
3595 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3597 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3599 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3600 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3601 (ENDFILE_LINUX_SPEC): Always use crtend.
3602 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3603 (powerpc-*-linux-gnu): Likewise.
3604 * configure: Regenerate.
3606 * config/rs6000/eabi.h: Don't include sysv4.h.
3607 (MULTILIB_DEFAULTS): Don't define.
3608 * config/rs6000/eabiaix.h: Don't include eabi.h.
3609 * config/rs6000/eabile.h: Delete.
3610 * config/rs6000/eabilesim.h: Delete.
3611 * config/rs6000/eabisim.h: Don't include eabi.h.
3612 * config/rs6000/linux.h: Don't include sysv4.h.
3613 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3614 (MULTILIB_DEFAULTS): Don't redefine.
3615 * config/rs6000/rtems.h: Don't include eabi.h.
3616 * config/rs6000/sol2.h: Don't include sysv4le.h.
3617 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3618 * config/rs6000/t-ppc: Delete.
3619 * config/rs6000/t-ppcgas: Correct comment.
3620 * config/rs6000/t-ppcos: Correct comment. Don't build
3621 multilibs for -fPIC, rather use -fPIC -mstrict-align
3623 * config/rs6000/t-ppc: Delete.
3624 * config/rs6000/vxppc.h: Don't include sysv4.h.
3625 * config/rs6000/vxppcle.h: Delete.
3626 * configure.in: Use multiple header files for p2pc ELF targets
3627 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3628 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3629 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3630 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3631 always available for these platforms.
3633 2000-04-04 Richard Henderson <rth@cygnus.com>
3635 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3637 2000-04-04 Stan Cox <scox@cygnus.com>
3639 * Makefile.in: Add rules for regrename.o
3640 * regrename.c: New file.
3641 * rtl.h (regrename_optimize): Add prototype.
3642 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3643 (compile_file, decode_d_option): Add support for -frename-registers.
3644 (rest_of_compilation): Call regrename_optimize.
3645 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3648 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3650 * Makefile (gccbug): New target.
3651 (doc): Depend on it.
3652 * gcc.texi (Bugs): Link subnodes.
3654 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3655 Document severities, priorities, and classes in bug form.
3657 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3659 * cpplex.c (trigraph_map, speccase): Combine into single
3661 (NORMAL, NONTRI): New macros.
3662 (_cpp_read_and_prescan): Change to use unified table. Use
3663 is_hspace to test for whitespace.
3665 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3666 definition that doesn't provoke the "empty body in an
3667 if-statement" warning.
3669 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3671 * builtins.c (expand_builtin_strlen): Force the source to
3672 be a memory address.
3674 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3676 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3678 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3680 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3681 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3682 (ECF_IS_CONST): Rename to ECF_CONST.
3683 (special_function_p): Make static, change interface.
3684 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3685 (expand_call) ... here; convert number of variables to flags.
3686 (emit_library_call_vlue_1): Likewise.
3687 (setjmp_call_p): New function.
3688 (initialize_argument_information): Accepts flags as argument;
3690 (precompute_arguments): Likewise.
3691 * tree.h (special_function_p): Remove.
3692 (setjmp_call_p): Add prototype.
3694 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3696 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3697 so that addresses are offsetable by up to 16 bytes.
3698 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3699 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3702 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3703 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3704 (movsf): Don't force any constant to memory if target is integer
3706 Move fp_zero_operand check below the const0_rtx check.
3707 (movtf): Likewise. Also allow fp_zero_operand for stores into
3709 (movdf): Likewise. Also allow fp_zero_operand for stores into
3710 memory and into integer hard registers.
3711 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3712 movdf_const_intreg_sp64): Remove.
3713 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3715 (movdf_no_e_insn_v9_sp32): New pattern.
3716 (movdf_insn_v9only): Remove.
3717 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3718 (movdf_insn_sp64): Remove.
3719 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3720 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3721 (following splits): Rewrite conditions. Add two new splits
3722 for storing 0.0 into memory and registers.
3723 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3724 (movtf_insn_sp32): Redo constraints and conditions.
3725 (movtf_insn_vis_sp32): New pattern.
3726 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3727 (movtf_insn_hq_sp64): Likewise.
3728 (movtf_insn_hq_vis_sp64): New pattern.
3729 (movtf_insn_sp64): Redo constraints and conditions.
3730 (movtf_insn_vis_sp64): New pattern.
3731 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3732 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3734 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3735 -mvis or -m64 to take down the number of various reload patterns.
3737 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3739 * pa/pa-64.h: New file.
3740 * pa/pa64-regs.h: New file.
3741 * pa/pa64-start.h: New file.
3742 * pa/t-pa64: New file.
3743 * pa/xm-pa64hpux.h: New file.
3745 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3747 * sparc.c (output_restore_regs): Prototype.
3748 (sparc_emit_float_lib_cmp): Constification.
3750 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3752 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3755 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3756 (get_value_hash, hash_rtx): Likewise.
3758 * ssa.c (compute_conservative_reg_partition): Prototype.
3760 * tree.c (mark_hash_entry): Prototype.
3762 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3764 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3765 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3766 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3768 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3769 * objc/lang-specs.h: Likewise.
3771 2000-04-03 Neil Booth <NeilB@earthling.net>
3773 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3774 and SYNTAX_ERROR2. Replace `' in messages with ''.
3775 (op_to_str): Make re-entrant.
3776 (_cpp_parse_expr): Implement new error macros. Use | rather
3777 than || to logically or 2 boolean integers. Simply expression
3778 checking we have a left operand iff needed.
3780 2000-04-03 Nick Clifton <nickc@cygnus.com>
3782 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3784 2000-04-03 Philip Blundell <philb@gnu.org>
3786 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3788 2000-04-03 Felix Lee <flee@cygnus.com>
3790 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3791 (run_shell): Use it.
3793 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3795 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3796 (stmp-fixproto): ...rather than here.
3798 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3800 * pa.c (print_operand): Compute 'base' only inside the code paths
3803 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3805 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3808 2000-04-03 Philipp Thomas <pthomas@suse.de>
3810 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3812 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3814 * Makefile.in (alias.o): Depend on $(TREE_H).
3816 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3818 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3820 * cpplib.c (_cpp_handle_directive): Improve warnings for
3821 traditional C and indented directives.
3823 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3824 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3825 fixinc/inclhack.def: Indent the # of #include_next one space.
3826 * cp/rtti.c: Un-indent #if and #endif.
3828 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3829 syntax error, but an error has already been printed.
3830 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3831 message when called with nothing remaining on the line.
3832 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3833 OTHER token, not an ASSERTION.
3834 * cpplib.c (do_assert): When we create a 'base' node, clear
3835 its aschain pointer.
3837 2000-04-02 Neil Booth <NeilB@earthling.net>
3839 * cppexp.c: New typedef op_t. struct operation and struct
3840 token updated to use it.
3841 (op_to_str): New function.
3842 (_cpp_parse_expr): Error messages modified to use op_to_str.
3844 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3846 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3847 before checking MUST_PASS_IN_STACK.
3849 2000-04-02 Neil Booth <NeilB@earthling.net>
3851 * cppexp.c: New FINISHED dummy token. Combine operator initial
3852 flags and initial priority into a single constant. New
3853 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3854 (_parse_cpp_expr): Implement new constants. Take left operand
3855 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3856 parse indicated by reducing FINISHED token. Remove new lines
3857 from cpp_error messages.
3859 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3861 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3864 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3866 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3867 directive. Add origin values to DIRECTIVE_TABLE. Generate
3868 the strings and function names on the fly. Take the #sccs
3869 entry out of the table if SCCS_DIRECTIVE is not defined.
3870 (_cpp_handle_directive): Decide if the # was at the beginning
3871 of the line here. Issue -pedantic warnings for extended
3872 directives here. Warn about K+R directives with the #
3873 indented, and C89/extended directives with the # not indented,
3875 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3876 do_assert, do_unassert): Don't issue pedantic warning here.
3878 * cpphash.h: Add CPP_WTRADITIONAL macro.
3879 * cpplib.h (struct cpp_options): Rename warn_stringify to
3880 warn_traditional; update comments.
3881 * cppinit.c (handle_option): Set warn_traditional not
3883 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3884 CPP_WTRADITIONAL (pfile).
3885 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3886 be ignored in -traditional mode here.
3888 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3889 to initialize speccase[] and trigraph_map[]. Delete all
3890 references to pfile->input_speccase. Always treat '?' as a
3891 special character. Remove table-initialization code from
3892 _cpp_init_input_buffer.
3894 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3895 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3897 2000-04-01 Richard Henderson <rth@cygnus.com>
3899 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3900 (mostlyclean): Likewise.
3902 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3903 (struct dump_file_info, enum dump_file_index, dump_file): New.
3904 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3905 not a string. Clean out file if we havn't yet done so. Do nothing
3906 if the dump isn't enabled.
3907 (close_dump_file): Do nothing if the dump isn't open. Dump
3908 graph data if requested.
3909 (dump_rtl, clean_dump_file): Remove.
3910 (compile_file): Don't clean the dump files. Only finalize .bp dump
3911 if flag_test_coverage or flag_branch_probabilities. Only finalize
3912 .combine dump if optimizing. Iterate over dump_file to finalize the
3914 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3915 Convert all uses of dump_rtl.
3916 (decode_d_option): Iterate over dump_file to implement 'a' and to
3917 locate pass-specific dumps.
3919 2000-04-01 Neil Booth <NeilB@earthling.net>
3921 * cppexp.c: Redefine priority constants.
3922 (_cpp_parse_expr): Replace left and right priority scheme with
3923 single priority logic. Move LOGICAL to same place as COMPARE.
3924 Remove bogus check for multiple unary +/- operators.
3926 2000-04-01 Neil Booth <NeilB@earthling.net>
3928 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3929 within the switch statement. Binary operations break out of
3930 the switch naturally. '(' tokens handled by forcing
3931 immediate shift. ')' handled by forcing immediate reduce to
3932 the previous '('. New error messages.
3934 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3936 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3937 part', it's already in use. Use %K instead. Add a return at the
3938 end of what is now %K.
3939 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3941 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3943 * builtins.c (expand_builtin_apply): Pass proper parameters to
3944 allocate_dynamic_stack_space.
3945 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3946 update stack_pointer_delta; do not update arg_size_so_far.
3947 (compute_argument_block_size): Use stack_delta instead of
3948 stack_pointer_pending and arg_size_so_far.
3949 (expand_call): Add sanity checking for stack_pointer_delta;
3950 save and restore stack_pointer_delta for SIB, use
3951 stack_pointer_delta for alignment; do not update arg_space_so_far.
3952 (emit_library_call_value): Use stack_pointer_delta for alignment.
3953 (store_one_arg): Do not update arg_space_so_far.
3954 * explow.c (adjust_stack, anti_adjust_stack): Update
3955 stack_pointer_delta.
3956 (allocate_dynamic_stack_space): Add sanity checking for
3957 stack_pointer_delta.
3958 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3959 stack_pointer_delta.
3960 (emit_push_insn): Update stack_pointer_delta.
3961 * function.h (struct expr_status): Add x_stack_pointer_delta;
3962 remove x_arg_space_so_far.
3963 (arg_space_so_far): Remove.
3964 (stack_pointer_delta): New macro.
3966 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3968 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3969 Reorder struct cpp_options and struct cpp_reader for better
3970 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3971 takes two args. Change all 'char' flags to 'unsigned char'.
3972 Move show_column flag into struct cpp_options. Don't
3973 prototype cpp_options_init.
3974 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3975 cppinit.c, cpplex.c, cpplib.c:
3976 Replace CPP_OPTIONS (pfile)->whatever with
3977 CPP_OPTION (pfile, whatever), and likewise for
3978 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3980 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3981 Extract CPP_OPTION (pfile, pending) and work with that
3983 (cpp_options_init): Delete.
3984 (cpp_reader_init): Turn on on-by-default options here.
3985 Allocate the pending structure here.
3986 (cl_options, enum opt_code): Define these from the same table,
3987 kept in a large macro. Add -fshow-column and -fno-show-column
3990 * cpperror.c (v_message): If show_column is off, don't print
3993 * cppmain.c: Update for new interface.
3994 * fix-header.c: Likewise.
3996 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3998 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
4000 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
4001 are passed to any invocation of AR_FOR_TARGET.
4002 (AR_CREATE_FOR_TARGET): New macro.
4003 (AR_EXTRACT_FOR_TARGET): New macro.
4004 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
4005 AR_EXTRACT_FOR_TARGET.
4006 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
4007 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
4008 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
4009 AR_EXTRACT_FOR_TARGET to sub-makes.
4011 2000-03-31 Neil Booth <NeilB@earthling.net>
4013 * cppexp.c: Delete SKIP_OPERAND. Correct priority
4015 (_cpp_parse_expr): Check for multiple unary +/- operators.
4016 Correct priorities of ':' and '?'. Treat ')' as having a
4017 value. Ensure conditional expression is not void.
4019 2000-03-31 Mark Mitchell <mark@codesourcery.com>
4021 * alias.c (canon_rtx): Make it global.
4022 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
4024 * cse.c (struct table_elt): Add canon_exp.
4026 (invalidate): Canonicalize expressions only once.
4027 * rtl.h (canon_rtx): Declare.
4029 2000-03-30 Mark Mitchell <mark@codesourcery.com>
4031 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
4032 * alias.c (reg_known_value): Add comments.
4033 (init_alias_analysis): Likewise.
4034 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
4036 (cse_basic_block): Fix typo in comment.
4037 * emit-rtl.c: Include hashtab.h.
4038 (const_int_htab): New variable.
4039 (const_int_htab_hash): New function.
4040 (const_int_htab_eq): Likewise.
4041 (rtx_htab_mark_1): Likewise.
4042 (rtx_htab_mark): Likewise.
4043 (gen_rtx_CONST_INT): Cache all CONST_INTs.
4044 (unshare_all_rtx): Fix formatting.
4045 (init_emit_once): Initialize const_int_htab.
4046 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
4048 * rtl.texi: Document the fact that all CONST_INTs with the same
4051 2000-03-30 Richard Henderson <rth@cygnus.com>
4053 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4055 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4057 * configure.in: Comment out --enable-c-cpplib stanza.
4058 * configure: Regenerate.
4060 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4062 * expr.c (store_constructor): Properly compute displacement and
4063 alignment when offset is variable.
4065 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4066 cases of alignment in bytes.
4068 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4070 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4071 since it is used to generate c-parse.y.
4072 * objc-parse.c, objc-parse.y: Regenerated.
4074 * function.c (expand_function_end): Pass alignment argument to
4075 emit_block_move in bits, not bytes.
4077 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4079 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4082 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4084 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4085 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4086 * function.c (assign_parms): Likewise.
4087 * integrate.c (expand_inline_function): Likewise.
4088 * stmt.c (expand_decl): Likewise.
4089 (copy_rtx_and_substitute): Likewise.
4090 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4091 (clear_by_pieces): Fix error in last change.
4092 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4093 * function.h (regno_pointer_align): Now unsigned.
4094 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4096 * config/i386/i386.c (aligned_operand): Likewise.
4097 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4098 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4099 (unaligned_memory_operand): Likewise.
4100 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4101 Also make alignments and sizes unsigned and some whitespace cleanup.
4102 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4104 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4105 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4106 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4107 (expand_builtin_memset): Likewise, but to clear_storage.
4108 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4109 (restore_fixed_argument_area): Likewise.
4110 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4111 (load_register_parameters): Likewise, to emit_group_load.
4112 (expand_call): Likewise, to emit_group_store and emit_block_move.
4113 (emit_library_call_value_1): Likewise, to emit_block_move.
4114 (store_one_arg): Likewise, and to emit_push_insn.
4115 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4116 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4117 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4118 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4119 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4120 (expand_assigment, store_expr, store_constructor_field): Likewise.
4121 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4122 (store_constructor, store_field, get_inner_reference): Likewise.
4123 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4124 (expand_expr, case COMPONENT_REF): Likewise.
4125 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4126 and positions; reindent code.
4127 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4128 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4129 (assign_parms): Likewise to emit_group_store.
4130 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4131 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4132 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4133 (expand_return): Likewise to {extract,store}_bit_field.
4134 * stor-layout.c (get_mode_alignment): Minor cleanup.
4135 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4136 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4138 2000-03-29 Nick Clifton <nickc@cygnus.com>
4140 * config/arm/arm.h: Undo effects of previous delta:
4141 (ASM_SPEC): Do not define.
4142 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4144 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4147 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4149 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4150 only after reading in the primary source file.
4152 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4154 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4155 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4156 or a reference to a va_list.
4157 * builtins.c (stabilize_va_list): Simplify now we don't have to
4158 work around C array address decay.
4159 * c-typeck.c (convert_for_assignment): Handle assignment to
4160 a reference parameter by taking the address of the RHS.
4161 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4162 (va_copy): Likewise.
4163 (__va_copy): Likewise.
4164 * ginclude/varargs.h (va_start): Likewise.
4165 (__va_copy): Likewise.
4167 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4169 * i386/djgpp.h: Remove extraneous "+".
4171 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4173 * calls.c (expand_call): Fix typo in last change.
4175 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4177 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4180 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4182 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4183 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4184 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4185 * tree.c (bit_position, byte_position): Likewise.
4186 * tree.h: Declare new functions.
4188 2000-03-29 Nick Clifton <nickc@cygnus.com>
4190 * config/arm/arm.c: Minor formatting changes/
4191 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4193 (ASM_SPEC): Define if not already defined.
4195 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4197 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4200 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4202 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4203 value, don't output it as unsigned.
4205 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4207 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4209 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4211 * c-common.c (c_common_nodes_and_builtins): Don't special case
4212 cplus_mode when declaring builtin bzero/bcmp, always avoid
4213 prototype arguments.
4215 2000-03-29 Bruce Korb <bkorb@gnu.org>
4217 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4220 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4222 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4223 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4224 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4225 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4226 (save_fixed_argument_area, restore_fixed_argument_area):
4227 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4228 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4229 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4230 (precompute_register_parameters): Avoid #ifdefs on
4231 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4232 (stire_one_args): Likewise.
4233 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4234 (emit_library_call_value_1): Likewise.
4235 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4236 ACCUMULATE_OUTGOING_ARGS.
4237 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4239 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4240 (use_crosses_set_p): Likewise.
4241 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4242 #define ACCUMULATE_OUTGOING_ARGS 1.
4243 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4245 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4247 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4248 (TARGET_SWITCHES): Add push-args, no-push-args,
4249 accumulate-outgoing-args and no-accumulate-outgoing-args.
4250 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4251 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4252 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4254 (emit_push_insn): Likewise.
4255 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4256 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4257 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4258 (STACK_DYNAMIC_OFFSET): Define correctly for both
4259 ACCUMULATE_OUTGOING_ARGS and normal mode.
4260 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4261 * tm.texi (PUSH_ARGS): Document.
4262 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4264 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4266 * flags.h (flag_optimize_sibling_calls): Declare.
4267 * calls.c (expand_call): Fail sibcall when
4268 !flag_optimize_sibling_calls
4269 * invoke.texi (flag_optimize_sibling_calls): Document.
4270 * toplev.c (flag_optimize_sibling_calls): New global variable.
4271 (f_options): Add flag_optimize_sibling_calls.
4272 (rest_of_compilation): Conditionize
4273 optimize_sibling_and_tail_recursive_calls by
4274 flag_optimize_sibling_calls.
4275 (main): Set flag_optimize_sibling_calls for -O2.
4276 * stmt.c (expand_return): Conditionize tail recursion by
4277 flag_optimize_sibling_calls.
4279 2000-03-29 Richard Henderson <rth@cygnus.com>
4281 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4282 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4284 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4286 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4288 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4290 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4292 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4293 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4294 * config/rs6000/aix.h: then modified likewise.
4296 2000-03-28 Richard Henderson <rth@cygnus.com>
4298 * rtl.h: Redistribute enum reg_note documentation.
4299 Kill trailing whitespace.
4300 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4301 Kill trailing whitespace.
4303 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4305 * cppfiles.c (hash_IHASH): Just return i->hash.
4306 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4307 htab_find_with_hash.
4308 (cpp_read_file): Likewise.
4309 (find_include_file): Likewise. Properly initialize
4310 ih->nshort. Share ih->name and ih->nshort if possible.
4311 * cpphash.c (_cpp_calc_hash): New function.
4312 (hash_HASHNODE): Just return h->hash.
4313 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4314 htab_find_with_hash.
4315 * cpphash.h: Prototype _cpp_calc_hash.
4316 * cppinit.c (initialize_builtins): Provide a valid hash
4317 to _cpp_make_hashnode, using _cpp_calc_hash.
4319 * cpphash.c (collect_expansion): # is not a special character
4320 in object-like macros. In -traditional mode, /**/ is not
4321 token paste at the beginning or end of the line.
4322 * cpplib.c (do_include, do_import, do_include_next): If
4323 parse_include fails, return immediately.
4325 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4327 * config/arm/arm.md (return peepholes): Update to reflect the new
4329 * config/arm/arm.c (arm_volatile_func): Also check
4330 current_function_nothrow.
4331 (output_return_instruction, output_func_prologue): Use it.
4332 (arm_output_epilogue, arm_expand_prologue): Likewise.
4334 2000-03-27 Tom Tromey <tromey@cygnus.com>
4336 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4339 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4341 * expr.c (store_constructor): SIZE now signed.
4342 For EXPR_SIZE, don't evaluate size; just needed if constant.
4343 * fold-const.c (fold): Fix a number of cases when folded tree is
4345 * function.c (flush_addressof): Reenable.
4346 * tree.h (flush_addressof): Likewise.
4347 * toplev.c (independent_decode_option): Look at strings_processed.
4348 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4350 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4352 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4353 Allow stack adjustment after function call.
4355 * regmove.c (struct csa_memlist): Make mem field rtx *.
4356 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4357 (try_apply_stack_adjustment): Replace whole MEM rtx.
4358 (combine_stack_adjustments_for_block): Update calls
4359 to record_one_stack_ref.
4361 2000-03-28 Neil Booth <NeilB@earthling.net>
4363 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4364 '\\' rather than a null character, so nulls are not special. Fix
4365 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4366 speed trigraph conversion.
4367 (_cpp_init_input_buffer): Initialize trigraph map.
4369 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4371 * config/i386/i386.c (output_387_binary_op): Correct intel
4372 mode assembly output, and add spaces after commas in AT&T
4373 output. Correct Unixware assembler comment. Document input
4374 constraints. Comment fp operations. Reduce profligate buffer
4375 size. Remove extraneous abort. Localize temp var.
4376 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4377 (output_fix_trunc): Add spaces after commas in assembly output.
4379 2000-03-27 Richard Henderson <rth@cygnus.com>
4381 * i386-protos.h (ix86_match_ccmode): Declare.
4382 * i386.c (ix86_match_ccmode): New.
4383 (ix86_expand_fp_compare): Update for pattern renames.
4384 (ix86_expand_strlensi_unroll_1): Likewise.
4385 * i386.h (EXTRA_CC_MODES): Add CCZ.
4386 (SELECT_CC_MODE): Use it for EQ/NE zero.
4387 * i386.md (cmpsi_ccz_1): New.
4389 (*testsi_ccz_1): New.
4390 (testqi_ccz_1): New.
4391 (cmpsi_ccno_1): Rename from cmpsi_0.
4392 (testsi_ccno_1): Rename from testsi_1.
4393 (testqi_ccno_1): Rename from testqi_1.
4394 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4395 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4396 (*cmphi_0): Use ix86_match_ccmode.
4397 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4398 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4399 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4400 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4401 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4402 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4403 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4404 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4405 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4406 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4407 (appropriate peepholes): Likewise.
4408 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4409 (*subsi_3, *subhi_3, *subqi_3): Remove.
4410 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4411 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4412 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4413 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4414 (x86_shift_adj_1): Use CCZ.
4415 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4417 2000-03-27 Stan Cox <scox@cygnus.com>
4419 * resource.h (mark_resource_type): New.
4420 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4421 find_free_register): Use mark_resource_type.
4422 (mark_set_resources): Change include_delayed_effects
4423 to mark_resource_type.
4424 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4425 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4426 Use mark_resource_type.
4428 2000-03-27 Richard Henderson <rth@cygnus.com>
4430 * i386.md (call_pop_0, call_value_pop_0): New.
4431 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4432 (call_value_pop_1): Likewise.
4433 (call_0, call_value_0): New.
4434 (call_1, call_value_1): Remove constraint from unused arg.
4436 2000-03-27 Nick Clifton <nickc@cygnus.com>
4438 * invoke.texi (Spec Files): Document new spec % command created by
4439 Tom Tromey's recent patch.
4441 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4443 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4446 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4448 * expr.c (expand_assignment): Fix typo in last change.
4450 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4452 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4454 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4455 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4456 and DECL_INLINE if FUNCTION_DECL.
4457 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4458 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4459 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4460 (combine_parm_decls): Likewise.
4461 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4462 * print-tree.c (print_node): Likewise.
4463 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4464 DECL_TRANSPARENT_UNION on proper decl types.
4465 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4466 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4467 DECL_BIT_FIELD of FIELD_DECL.
4468 * tree.h (DECL_RESULT_FLD): New macro.
4470 * expr.c (expand_assignment): Add code to handle variable-sized
4473 2000-03-26 Richard Henderson <rth@cygnus.com>
4475 * calls.c (expand_call): Pass parms not original exp to
4476 optimize_tail_recursion. Mind return value instead of looking
4478 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4479 call_expr. Move checks for call_expr and current_function_decl ...
4480 (expand_return): ... here.
4482 2000-03-26 Tom Tromey <tromey@cygnus.com>
4484 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4485 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4487 (process_command): Use them.
4488 (check_live_switch): Likewise.
4489 (give_switch): Skip ignored switches.
4491 2000-03-26 Jan Hubicka <jh@suse.cz>
4493 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4494 for minimal jump pass test.
4496 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4498 * integrate.c (function_cannot_inline_p): Do inline functions that
4501 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4503 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4504 now a list of TREE_LIST entries, not types.
4505 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4507 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4508 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4510 * config/mips/mips.c (function_arg): Likewise; also remove cast
4511 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4512 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4513 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4514 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4515 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4516 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4517 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4518 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4519 num_adjusts now unsigned.
4520 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4521 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4523 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4524 as is BITPOS variable; use host_integerp and int_bit_position.
4525 (function_arg_record_value_2): Likewise.
4526 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4527 Variable REGNO now unsigned.
4528 (function_arg_record_value): NREGS now unsigned.
4530 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4532 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4534 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4536 * Rework fields used to describe positions of bitfields and
4537 modify sizes to be unsigned and use HOST_WIDE_INT.
4538 * alias.c (reg_known_value_size): Now unsigned.
4539 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4540 (really_start_incremental_init): Use bitsize_zero_node.
4541 (push_init_level, pop_init_level, output_init_element): Likewise.
4542 Use bitsize_unit_node and bitsize_one_node.
4543 (output_pending_init_elements, process_init_element): Likewise.
4544 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4545 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4546 HOST_WIDE_INT, respectively.
4547 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4548 (num_sign_bit_copies): Returns unsigned.
4549 BITWIDTH now unsigned; rework arithmetic.
4550 Remove recursive call from arg to MAX.
4551 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4552 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4554 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4555 (find_split_point, expand_compound_operation, make_extraction): LEN
4556 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4557 (make_field_assignment): Likewise.
4558 (combine_simplify_rtx): Add cast.
4559 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4560 (force_to_mode): WIDTH now unsigned; add cast.
4561 (if_then_else_cond): SIZE now unsigned.
4562 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4563 (extended_count): Now returns unsigned.
4564 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4565 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4566 (simplify_comparison): MODE_WIDTH now unsigned.
4567 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4568 (mark_used_regs_combine): Likewise; rework arithmetic.
4569 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4570 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4571 (record_promoted_value): REGNO now unsigned.
4572 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4573 (get_last_value): REGNO now unsigned.
4574 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4575 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4576 (remove_death): Arg REGNO now unsigned.
4577 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4578 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4580 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4581 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4582 (struct cse_reg_info): REGNO now unsigned.
4583 (cached_regno): Now unsigned.
4584 (REGNO_QTY_VALID_P): Add cast.
4585 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4586 (remove_invalid_regs): Likewise.
4587 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4588 as are variables END and I.
4589 (get_cse_reg_info, insert): Likewise.
4590 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4591 (canon_hash): Likewise.
4592 (insert_regs, lookup_for_remove): REGNO now unsigned.
4593 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4595 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4596 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4597 * emit-rtl.c (subreg_realpart_p): Add cast.
4598 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4599 (operand_subword_force): Arg I is now unsigned.
4600 * except.c (eh_regs): Variable I is now unsigned.
4601 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4602 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4603 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4604 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4605 (extract_split_bit_field, store_bit_field, extract_bit_field):
4607 * expr.c (store_constructor_fields, store_constructor, store_field):
4608 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4609 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4610 (do_jump): Likewise.
4611 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4612 MAX_SIZE is now unsigned.
4613 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4614 (emit_group_store): Likewise.
4615 (emit_move_insn): I now unsigned.
4616 (store_constructor): Use host_integerp, tree_low_cst, and
4618 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4619 Rework all calculations to use trees and new fields.
4620 * expr.h (promoted_input_arg): Regno now unsigned.
4621 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4622 (mark_seen_cases): Arg is HOST_WIDE_INT.
4623 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4624 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4625 precisions and alignments are unsigned.
4626 (optimize_bit_field_compare, fold_truthop): Likewise.
4627 (int_const_binop): Adjust threshold for size_int_type_wide call.
4628 (fold_convert): Likewise.
4629 (size_int_type_wide): Make table larger and fix thinko that only
4630 had half of table used.
4631 (all_ones_mask_p, fold): Precisions are unsigned.
4632 * function.c (put_reg_info_stack): REGNO is unsigned.
4633 (instantiate_decl): Size is HOST_WIDE_INT.
4634 (instantiate_virtual_regs): I is unsigned.
4635 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4636 (promoted_input_arg): REGNO is unsigned.
4637 * function.h (struct function): x_max_parm_reg is now unsigned.
4638 * gcse.c (max_gcse_regno): Now unsigned.
4639 (struct null_pointer_info): min_reg and max_reg now unsigned.
4640 (lookup_set, next_set): REGNO arg now unsigned.
4641 (compute_hash_table): REGNO and I now unsigned.
4642 (handle_avail_expr): regnum_for_replacing now unsigned.
4643 (cprop_insn): REGNO now unsigned.
4644 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4645 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4646 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4647 * hard-reg-set.h (reg_class_size): Now unsigned.
4648 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4649 * jump.c (mark_modified_reg): I now unsigned; add cast.
4650 (rtx_equal_for_thread_p): Add cast.
4651 * loop.c (max_reg_before_loop): Now unsigned.
4652 (struct_movable): REGNO now unsigned.
4653 (try_copy_prop): REGNO arg unsigned.
4654 (regs_match_p): XN and YN now unsigned.
4655 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4656 (strength_reduce): Likewise; NREGS also unsigned.
4657 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4658 * loop.h (struct iv_class): REGNO now unsigned.
4659 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4661 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4662 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4663 * optabs.c (expand_binop): I and NWORDS now unsigned.
4664 (expand_unop): I now unsigned.
4665 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4666 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4667 * real.c (significand_size): Now returns unsigned.
4668 * real.h (significand_size): Likewise.
4669 * regclass.c (reg_class_size): Now unsigned.
4670 (choose_hard_reg_mode): Both operands now unsigned.
4671 (record_reg_classes): REGNO and NR now unsigned.
4672 (reg_scan): NREGS now unsigned.
4673 (reg_scan_update): old_max_regno now unsigned.
4674 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4675 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4676 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4677 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4678 Likewise for variable R.
4679 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4680 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4681 (find_equiv_reg): Add casts.
4682 (regno_clobbered_p): Arg REGNO now unsigned.
4683 * reload.h (struct reload): NREGS now unsigned.
4684 (refers_to_regno_for_reload_p): Regno args are unsigned.
4685 (regno_clobbered_p): Likewise.
4686 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4687 (compute_use_by_pseudos): REGNO now unsigned.
4688 (find_reg): I and J now unsigned, new variable K, and change loop
4689 variables accordingly; THIS_NREGS now unsigned.
4690 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4691 (spill_hard_reg): REGNO arg now unsigned; add casts.
4692 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4693 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4694 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4695 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4696 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4697 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4698 (emit_reload_insns): REGNO now unsigned.
4699 (reload_cse_move2add): Add cast.
4700 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4702 * resource.c (mark_referenced_resources, mark_set_resources): New
4703 variable R; REGNO and LAST_REGNO now unsigned.
4704 (mark_target_live_regs): J and REGNO now unsigned.
4705 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4706 * rtl.h (union rtunion_def): New field rtuint.
4707 (XCUINT): New macro.
4708 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4709 (operand_subword, operand_subword_force): Word number is unsigned.
4710 (choose_hard_reg_mode): Operands are unsigned.
4711 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4712 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4713 (regno_use_in, combine_instructions, remove_death): Likewise.
4714 (reg_scan, reg_scan_update): Likewise.
4715 (extended_count): Return is unsigned.
4716 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4717 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4718 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4719 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4720 (reg_reg_last_1): FIRS and LAST now unsigned.
4721 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4722 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4724 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4725 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4726 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4727 (replace_regs): Arg NREGS now unsigned.
4728 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4729 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4730 (simplify_binary_operation): Likewise.
4731 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4732 THIS_LAST now unsigned.
4733 (cselib_record_set): Add cast.
4734 * ssa.c (ssa_max_reg_num): Now unsigned.
4735 (rename_block): REGNO now unsigned.
4736 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4738 (all_cases_count): Just return -1 not -2.
4739 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4740 Rework tests to use trees whenever possible.
4741 Use host_integerp and tree_low_cst.
4742 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4743 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4744 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4745 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4746 (smallest_mode_for_size): Likewise.
4747 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4748 KNOWN_ALIGN is now an alignment, so simplify code.
4749 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4750 (start_record_layout): Renamed from new_record_layout_info.
4751 Update to new fields.
4752 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4754 (place_union_field): Renamed from layout_union_field.
4755 Update to use new fields in rli.
4756 (place_field): Renamed from layout_field.
4757 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4758 (finalize_record_size): Rework to use new fields in rli and handle
4760 (compute_record_mode): Rework to simplify and to use new DECL fields.
4761 (finalize_type_size): Make rounding more consistent.
4762 (finish_union_layout): Deleted.
4763 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4764 (layout_type, case RECORD_TYPE): Call new function names.
4765 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4766 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4767 (get_best_mode): UNIT is now unsigned; remove casts.
4768 * tree.c (bit_position): Compute from new fields.
4769 (byte_position, int_byte_position): New functions.
4770 (print_type_hash_statistics): Cast to remove warning.
4771 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4772 (build_index_type): Likewise; make subtype of sizetype.
4773 (build_index_2_type): Pass sizetype to build_range_type.
4774 (build_common_tree_nodes): Use size_int and bitsize_int to
4775 initialize nodes; add bitsize_{zero,one,unit}_node.
4776 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4777 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4778 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4779 (DECL_FIELD_BITPOS): Deleted.
4780 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4781 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4782 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4783 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4784 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4785 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4786 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4787 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4788 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4789 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4790 (DECL_ALIGN): Adjust to new field in union.
4791 (DECL_OFFSET_ALIGN): New field.
4792 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4793 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4794 (union tree_decl): Add struct for both aligns.
4795 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4796 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4797 (struct record_layout_info): Rework fields to have offset
4798 alignment and byte and bit position.
4799 (start_record_layout, place_field): Renamed from old names.
4800 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4801 (byte_position, int_byte_position): Likewise.
4802 (get_inner_reference): Change types of position and length.
4803 * unroll.c (unroll_loop): New variable R; use for some loops.
4804 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4805 (calculate_giv_inc): Arg REGNO now unsigned.
4806 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4807 * varasm.c (assemble_variable): Clean up handling of size using
4808 host_integerp and tree_low_cst.
4809 (decode_addr_const): Use byte, not bit, position.
4810 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4811 use tree_low_cst and int_bit_position.
4812 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4814 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4816 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4817 (reorder_block_def): New members eff_head and eff_end.
4818 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4819 (verify_insn_chain): New function.
4820 (skip_insns_between_block): Add code to skip deleted insns.
4821 Check for note before using.
4822 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4823 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4824 Check for note before using.
4825 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4826 (fixup_reorder_chain): Restructure, clean up, defect removal.
4827 (reorder_basic_blocks): Remove last_insn and references to it.
4828 Moved insn chain verification code into a new function (see above).
4829 Delete defective code that sets last insn.
4830 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4833 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4835 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4837 2000-03-24 Richard Henderson <rth@cygnus.com>
4839 * tree.c (lang_safe_for_unsave): Remove.
4840 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4841 allowing for two levels of unsafeness. Remove lang hook.
4842 * tree.h: Update declarations.
4843 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4844 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4845 Always fail sibcalls when there are pending cleanups.
4847 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4849 * flow.c (propagate_block): When we delete an ADDR_VEC,
4850 also delete the BARRIER following it if there is one.
4852 2000-03-24 Richard Henderson <rth@cygnus.com>
4854 * builtins.c (expand_builtin_bzero): Convert `length' argument
4857 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4859 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4860 comparison if regno's are equal.
4861 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4862 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4863 (expand_call): Update caller.
4864 Avoid making a sibling call if argument size of the callee is larger
4865 than argument size of the caller.
4866 Call hard_function_value with outgoing set if in sibcall pass.
4867 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4869 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4870 Change LEAF_REGISTERS from an array initializer to actual array
4871 identifier. Move static global variable into the function.
4872 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4873 sequences for leaf functions.
4874 * global.c (global_alloc): Likewise.
4875 * tm.texi (LEAF_REGISTERS): Update documentation.
4877 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4878 TARGET_FLAT leaf disabling hack.
4879 (LEAF_REGISTERS): Changed from an array initializer to actual array
4880 identifier to avoid duplication and remove the above hack.
4881 (FUNCTION_OK_FOR_SIBCALL): Define.
4882 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4883 always like call attribute.
4884 (eligible_for_sibcall_delay): New attribute.
4885 (sibcall): New delay type.
4886 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4887 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4888 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4889 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4890 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4892 (output_function_epilogue): Move part of the code into
4893 output_restore_regs.
4894 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4896 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4899 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4900 until infrastructure is finished.
4902 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4904 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4905 (save_parm_insns): Not here.
4907 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4909 * builtins.c (expand_builtin_bzero): New function.
4910 (expand_builtin): Handle bzero.
4912 * builtins.def: Add BUILT_IN_BZERO.
4914 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4915 prototype & function for bzero.
4917 2000-03-23 Michael Meissner <meissner@redhat.com>
4919 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4920 change adding TARGET_FP to the TF floating point insns, except for
4921 trunctfsf2, which generates direct calls to truncdfsf2.
4923 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4925 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4926 try to protect against middle-end changes that break binary
4928 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4930 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4932 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4934 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4936 * calls.c (expand_call): If TARGET is passed by reference and
4937 is readonly, write a CLOBBER.
4939 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4941 * builtins.c (expand_builtin): Handle bcmp.
4943 * builtins.def: Add BUILT_IN_BCMP.
4945 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4946 prototype & function for bcmp.
4948 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4950 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4951 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4952 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4954 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4956 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4957 alternative when using -fp64 -gp32.
4959 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4961 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4962 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4963 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4965 * frame.h (frame_state): Revert last change.
4966 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4967 * libgcc2.c (throw_helper): Revert last change.
4969 2000-03-22 Richard Henderson <rth@cygnus.com>
4971 * stmt.c (expand_asm_operands): Don't promote the temporary.
4973 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4975 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4976 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4977 c_get_alias_set): Likewise.
4978 * c-decl.c (duplicate_decls): Likewise.
4979 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4980 * calls.c (initialize_argument_information): Likewise.
4981 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4983 * dwarfout.c (decl_class_context,output_type): Likewise.
4984 * expr.c (get_inner_reference): Likewise.
4985 * fold-const.c (simple_operand_p,fold): Likewise.
4986 * function.c (aggregate_value_p): Likewise.
4987 * stmt.c (expand_asm_operands): Likewise.
4988 * varasm.c (named_section): Likewise.
4990 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4992 Implement dwarf2 exception handling for the ARM.
4993 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4994 (DWARF_FRAME_RETURN_COLUMN): Define.
4995 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4996 REG_FRAME_RELATED_EXPR note.
4997 (emit_sfm): Likewise.
4998 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4999 * dwarf2out.c (reg_save): Handle saving a register to itself.
5000 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
5001 * except.c (eh_regs): Don't use the static chain reg if it's
5003 * frame.h (frame_state): Add cfa_saved field.
5004 * frame.c (execute_cfa_insn): Set it.
5005 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
5007 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
5009 (instantiate_virtual_regs): Adjust.
5011 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5012 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5013 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
5015 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
5016 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
5018 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5020 * builtins.def: New file.
5022 * Makefile.in (TREE_H): Depend on builtins.def.
5024 * builtins.c (built_in_names): Use builtins.def.
5026 * tree.h (built_in_function): Likewise.
5028 2000-03-22 Mark Mitchell <mark@codesourcery.com>
5030 * tree.c (size_in_bytes): Return size_zero_node, not
5033 2000-03-22 Geoff Keating <geoffk@cygnus.com>
5035 * config/fp-bit.c (pack_d): Correct the case when a denormal
5036 is rounded up and stops being denormal.
5038 2000-03-21 Richard Henderson <rth@cygnus.com>
5040 * config/alpha/alpha.c (function_arg): Check for void_type_node
5041 before using MUST_PASS_IN_STACK.
5043 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
5045 * regmove.c (combine_stack_adjustments_for_block): Check that
5046 the stack pointer is a valid memory address.
5048 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
5050 * calls.c: re-install Mar 16 emit_library_call merge.
5052 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5054 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5055 we cannot be sure that if reload_completed base register will
5056 be properly aligned.
5058 2000-03-21 Richard Henderson <rth@cygnus.com>
5060 * flow.c (delete_block): Fix typo last change.
5062 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5064 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5065 not COMPLETE_TYPE_P, to check the type of the expression.
5067 2000-03-21 Michael Meissner <meissner@redhat.com>
5069 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5070 all floating point insns that just tested the macro
5071 TARGET_HAS_XFLOATING_LIBS.
5072 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5073 used to only use the gprs.
5075 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5077 * tree.h (COMPLETE_TYPE_P): New macro.
5078 (COMPLETE_OR_VOID_TYPE_P): New macro.
5079 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5080 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5081 * c-aux-info.c (gen_type): Use them.
5082 * c-common.c (c_expand_expr_stmt): Likewise.
5083 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5084 grokdeclarator, grokparms, finish_struct, start_function,
5085 store_parm_decls, combine_parm_decls): Likewise.
5086 * c-parse.y (cast_expr): Likewise.
5087 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5088 c_size_in_bytes, c_alignof, build_component_ref,
5089 build_indirect_ref, build_array_ref, convert_arguments,
5090 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5091 * calls.c (initialize_argument_information): Likewise.
5092 * convert.c (convert_to_integer): Likewise.
5093 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5094 * dwarfout.c (location_or_const_value_attribute,
5095 output_enumeration_type_die, output_structure_type_die,
5096 output_union_type_die, output_type): Likewise.
5097 * expr.c (safe_from_p, expand_expr): Likewise.
5098 * function.c (assign_parms): Likewise.
5099 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5100 * tree.c (build_array_type, build_function_type,
5101 build_method_type, build_offset_type, build_complex_type): Likewise.
5102 * c-parse.c, c-parse.h: Regenerated.
5104 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5106 * config/c4x/rtems.h: Include config/rtems.h.
5108 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5110 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5111 decl is a FUNCTION_DECL
5113 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5115 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5116 function uses output registers. Don't save RP for leaf functions.
5117 Do save RP even if no epilogue.
5118 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5119 (CALL_USED_REGISTERS): Unmark in registers.
5120 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5123 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5125 * config/rs6000/rs6000.md (bunordered): New expander.
5126 (bordered): New expander.
5127 (buneq): New expander.
5128 (bunge): New expander.
5129 (bungt): New expander.
5130 (bunle): New expander.
5131 (bunlt): New expander.
5132 (bltgt): New expander.
5134 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5135 (ccr_bit_negated_p): New function.
5136 (print_operand): For %C, generate appropriate cror for UNEQ,
5137 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5139 2000-03-20 Andreas Jaeger <aj@suse.de>
5141 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5144 * tree.h (safe_for_unsave): Prototype.
5146 2000-03-20 Richard Henderson <rth@cygnus.com>
5148 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5149 (combine_stack_adjustments_for_block): Don't allow sp references
5150 in the side of a set we're not fixing up.
5151 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5152 after life_analysis.
5154 2000-03-20 Richard Henderson <rth@cygnus.com>
5156 * calls.c (expand_call): Don't bother generating tail call
5157 sequences if there are pending cleanups. Use
5158 expand_start_target_temps/expand_end_target_temps to elide
5159 cleanups created during sibcall expansion.
5161 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5163 * configure.in: Set $IFS to a value if it doesn't already have one
5164 in the --enable-checking handling.
5165 * configure: Regenerate.
5167 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5169 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5170 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5173 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5175 * jump.c (delete_noop_moves): Remove code attempting to
5176 combine stack adjustments.
5178 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5180 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5181 * except.c (emit_cleanup_handler): Use them.
5182 (expand_end_all_catch): Likewise.
5183 * function.c (fixup_var_refs): Likewise.
5184 (expand_function_end): Clear catch_clauses_last.
5185 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5186 * except.h (struct eh_status): New field x_catch_clauses_last.
5187 (catch_clauses_last): New define.
5189 * Makefile.in (tree.o): Depend on HASHTAB_H.
5190 * tree.c: Include hashtab.h.
5191 (struct type_hash): Remove next field.
5192 (TYPE_HASH_SIZE): Remove.
5193 (TYPE_HASH_INITIAL_SIZE): New define.
5194 (type_hash_table): Change type to htab_t.
5195 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5196 mark_hash_entry): New functions.
5197 (init_obstacks): Allocate type hash.
5198 (type_hash_lookup): Use htab functions.
5199 (type_hash_add, mark_type_hash): Likewise.
5200 (dump_tree_statistics): Call print_type_hash_statistics.
5202 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5204 * rs6000/t-aix41: New file.
5206 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5208 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5210 * tm.texi (Driver): Fix typos and tweak entry for
5212 Move misplaced STRUCT_FORCE_BLK entry ...
5213 (Storage Layout): ... to here.
5214 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5216 2000-03-19 Richard Henderson <rth@cygnus.com>
5218 * flow.c (delete_block): Delete the addr_vec along with the block.
5219 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5222 * fold-const.c (extract_muldiv): Apply type check for defined
5223 overflow to multiply as well as divide.
5225 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5227 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5229 * emit-rtl.c (remove_unncessary_notes): Check that all
5230 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5231 associated NOTE_BLOCK.
5232 * function.h (identify_blocks): Update comments.
5233 (reorder_blocks): Declare.
5234 * function.c (identify_blocks): Don't take paramters.
5235 (reorder_blocks): Don't take parameters.
5236 * loop.h (find_loop_tree_blocks): Remove.
5237 (unroll_block_trees): Likewise.
5238 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5239 reorder_blocks instead of unroll_block_trees.h
5240 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5241 * stmt.c (find_loop_tree_blocks): Remove.
5242 (unroll_block_trees): Likewise.
5243 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5244 in whole-function mode.
5245 * tree.h (reorder_blocks): Remove declaration.
5247 * expr.c: Include intl.h.
5248 * Makefile.in (expr.o): Depend on intl.h.
5250 2000-03-18 Richard Henderson <rth@cygnus.com>
5252 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5254 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5256 * tree.h (tree_index): Remove enumerals for integer types.
5257 (integer_type_kind): New type.
5258 (integer_types): New variable.
5259 (char_type_node): Adjust.
5260 (signed_char_type_node): Likewise.
5261 (unsigned_char_type_node): Likewise.
5262 (short_integer_type_node): Likewise.
5263 (short_unsigned_type_node): Likewise.
5264 (integer_type_node): Likewise.
5265 (unsigned_type_node): Likewise.
5266 (long_integer_type_node): Likewise.
5267 (long_unsigned_type_node): Likewise.
5268 (long_long_integer_type_node): Likewise.
5269 (long_long_unsigned_type_node): Likewise.
5270 * tree.c (integer_types): New variable.
5271 (init_obstacks): Register it as a root.
5273 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5275 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5276 NEXT_INSN. Update last insn in chain.
5278 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5280 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5281 with TYPE_DECL_SUPPRESS_DEBUG set.
5283 2000-03-18 Richard Henderson <rth@cygnus.com>
5285 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5287 2000-03-18 Richard Henderson <rth@cygnus.com>
5289 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5290 care for HALF_PIC_P.
5291 (expander_call_insn_operand): Remove.
5292 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5293 * i386.h (PREDICATE_CODES): Update.
5294 * i386.md (all call expanders): Remove predicates, remove special
5295 handling for half-pic.
5296 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5297 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5298 (sibcall_epilogue): New.
5300 2000-03-17 Richard Henderson <rth@cygnus.com>
5302 * rtlanal.c (single_set): Reject if the parallel has anything
5303 except SET or USE or CLOBBER.
5305 2000-03-17 Jeff Law <law@cygnus.com>
5306 Richard Henderson <rth@cygnus.com>
5308 * Makefile.in (OBJS): Add sibcall.o.
5310 * sibcall.c: New file.
5311 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5312 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5313 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5314 Emit sibcall patterns when requested. Update all callers.
5315 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5316 elimination seems feasable.
5317 * final.c (leaf_function_p): Sibling calls don't discount being
5319 * flow.c (HAVE_sibcall_epilogue): Provide default.
5320 (find_basic_blocks_1): Sibling calls don't throw.
5321 (make_edges): Make edge from sibling call to EXIT.
5322 (propagate_block): Don't remove sibcall_epilogue insns.
5323 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5324 (sibcall_epilogue): New.
5325 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5326 (identify_blocks_1): Likewise. Break out from ...
5327 (identify_blocks): ... here.
5328 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5329 (reorder_blocks): ... here.
5330 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5331 (record_insns): Extend a varray instead of mallocing new memory.
5332 (contains): Read a varray not array of ints.
5333 (sibcall_epilogue_contains): New.
5334 (thread_prologue_and_epilogue_insns): Emit and record
5335 sibcall_epilogue patterns.
5336 (init_function_once): Allocate prologue/epilogue varrays.
5337 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5338 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5340 (save_for_inline_nocopy): ... here.
5341 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5343 (expand_inline_function): ... here.
5344 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5345 (subst_constants): Handle 'n' formats.
5346 * jump.c (jump_optimize_minimal): New.
5347 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5348 optimizations if it's set.
5349 * rtl.c (copy_rtx): Do copy jump & call for insns.
5350 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5351 (SIBLING_CALL_P): New.
5352 (sibcall_use_t): New.
5353 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5354 Invoke optimize_sibling_and_tail_recursive_calls.
5355 * tree.c (lang_safe_for_unsave): New.
5356 (safe_for_unsave): New.
5357 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5359 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5360 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5361 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5363 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5365 * objc/objc-act.c (encode_method_prototype): Pass types, not
5366 PARM_DECLs, to int_size_in_bytes.
5368 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5370 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5372 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5373 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5375 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5377 * Clean up usages of TREE_INT_CST_LOW.
5378 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5379 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5381 * c-tree.h (min_precision): Move declaration to here.
5382 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5383 (build_unary_op, add_pending_init): Use bit_position.
5384 (pending_init_member, process_init_element): Likewise.
5385 (really_start_incremental_init, push_init_level, pop_init_level):
5386 Don't make copies of nodes or modify them in place, use consistent
5387 types when tracking positions, and use tree routines computations.
5388 (set_init_index, output_init_element): Likewise.
5389 (output_pending_init_elements, process_init_element): Likewise.
5390 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5391 tree_low_cst and int_bit_position; also minor cleanup.
5392 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5393 (print_cst_octal): Precision is unsigned.
5394 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5395 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5396 (simple_type_align_in_bits): Result is unsigned int.
5397 Use tree_int_low_cst and host_integerp.
5398 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5399 (field_byte_offset): Result is HOST_WIDE_INT.
5400 Change types of internal variables so alignments are unsigned int,
5401 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5402 Use host_integerp, tree_low_cst, and int_bit_position.
5403 (add_bit_offset_attribute): Likewise.
5404 (add_data_member_location_attribute): Use tree_cst_low.
5405 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5406 (add_bit_size_attribute): Use tree_low_cst.
5407 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5408 * dwarfout.c: Similar changes to dwarf2out.c.
5409 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5410 * genoutput.c (n_occurences): Return -1 for null string.
5411 (strip_whitespace): Accept null string and make into function.
5412 (scan_operands): Reflect above changes.
5413 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5414 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5415 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5416 * tree.c (int_size_in_bytes): Check for too big to represent.
5417 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5418 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5420 (min_precision): Delete from here.
5421 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5422 and int_bit_position.
5423 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5424 (encode_method_def): Likewise.
5425 (build_ivar_list_initializer): Use int_bit_position.
5426 (generate_shared_structures): Convert size.
5427 (encode_type, encode_complete_bitfield): Use integer_zerop.
5428 (encode_bitfield): Use tree_low_cst and int_bit_position.
5430 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5432 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5434 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5436 * call.c (special_function_p): It is only malloc if it returns
5439 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5441 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5442 (C33_FLAG, TARGET_C3X): Add macros.
5443 (TARGET_SWITCHES): Add -m33 option.
5444 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5446 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5448 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5449 (PARALLEL_PACK_FLAG): Delete.
5450 (TARGET_SWITCHES): Update.
5451 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5453 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5455 * fold-const.c (fold): Fix a few cases when the returned result
5456 is not of the same type as the input.
5458 2000-03-16 Nick Clifton <nickc@cygnus.com>
5460 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5463 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5465 * libgcc2.h: Move prototypes above macros with the same name.
5466 Wrap some function prototypes in the conditional which indicates
5467 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5469 2000-03-16 Richard Henderson <rth@cygnus.com>
5471 * calls.c: Revert last two changes.
5473 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5475 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5476 has exponent 0 is a zero.
5478 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5479 HASH may already be nonzero. Add code/mode into hash value
5480 immediately after repeat label.
5481 (cselib_lookup): Don't leave the hash table in an inconsistent
5482 state before a hash lookup operation.
5484 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5486 * i386.md (all HI and QI mode non-move patterns): Conditionize
5487 by TARGET_[HQ]IMODE_MATH.
5488 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5489 x86_promote_qi_regs): Declare.
5490 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5491 TARGET_PROMOTE_QI_REGS): New macros.
5492 (PROMOTE_MODE): New macro.
5493 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5494 x86_promote_qi_regs): New global variables.
5496 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5498 * calls.c (emit_library_call_value_1): Break out from ...; handle
5499 VOIDmode function calls too.
5500 (emit_library_call_value): ... here.
5501 (emit_library_call): Implement by calling emit_library_call_value_1.
5503 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5505 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5506 Update arg_space_so_far on stack adjustments.
5507 (emit_library_call, emit_library_call_value): Likewise; take into
5508 account arg_space_so_far and pending_stack_adjust when calculcating
5511 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5513 * flow.c: Move all basic block reordering code into its own file.
5514 (create_basic_block): Externalize.
5515 * bb-reorder.c: New file. Copy all basic block reordering code from
5516 flow.c to this file.
5517 (reorder_basic_blocks): Fix fencepost error in for-loop.
5518 (reorder_basic_blocks): Remove braces from single statement for-loops.
5519 * basic-block.h: Add declaration for create_basic_block.
5520 * Makefile.in: Add rules for bb-reorder.o.
5522 2000-03-16 Neil Booth <NeilB@earthling.net>
5524 * cppinit.c (handle_option): Implement #unassert directive
5525 as -A- command line option.
5526 (print_help): Update.
5527 * cpptexi.c: Update.
5529 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5531 * md.texi (Standard Names): Document `jump'.
5533 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5535 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5538 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5540 Merge changes from newppc-branch onto trunk.
5542 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5544 * rs6000.c (toc_hash_table): Update for new hash table functions.
5545 (toc_hash_function): Likewise.
5546 (toc_hash_eq): Likewise.
5547 (toc_hash_mark_entry): Likewise.
5548 (toc_hash_mark_table): Likewise.
5549 (output_toc): Likewise.
5550 (rs6000_add_gc_roots): Likewise.
5552 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5554 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5555 (AR_FLAGS_FOR_TARGET): here. New macro.
5557 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5559 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5560 fpmem_operand) Delete.
5562 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5563 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5564 (rs6000_save_machine_status, rs6000_restore_machine_status,
5565 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5566 references to above variables.
5567 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5568 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5569 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5570 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5571 (XER_REGNO_P, XER_REGNO): New.
5572 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5573 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5574 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5576 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5577 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5578 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5580 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5582 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5583 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5584 * rs6000.h: from here.
5586 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5587 (rs6000_select_rtx_section): Likewise.
5588 (rs6000_encode_section_info): Likewise.
5589 (sdata_section): Likewise.
5590 (sdata2_section): Likewise.
5591 (sbss_section): Likewise.
5592 * sysv4.h (rs6000_select_section): Delete prototype.
5593 (rs6000_select_rtx_section): Likewise.
5594 (rs6000_encode_section_info): Likewise.
5595 (sdata_section): Likewise.
5596 (sdata2_section): Likewise.
5597 (sbss_section): Likewise.
5598 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5600 * sysv4.h: Delete various unnecessary #undef's and put a comment
5601 on the remaining ones.
5602 Change various comments according to coding standard.
5604 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5606 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5607 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5608 (CR0_REGNO_P) Remove.
5609 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5610 setup_incoming_varargs, mtcrf_operation, print_operand,
5611 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5612 Use the above macros.
5614 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5616 * config/rs6000/rs6000.md: Added a new alternative for each
5617 pattern that had a 'x' alternative but no 'y' alternative.
5618 Added a new split for each of the above patterns.
5620 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5622 * aix41.h (ASM_CPU_SPEC): Delete.
5623 (CPP_CPU_SPEC): Delete.
5625 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5626 (ASM_OUTPUT_LABEL): Define.
5627 (ASM_GLOBALIZE_LABEL): Define.
5628 (STRIP_NAME_ENCODING): Define.
5629 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5630 (STRIP_NAME_ENCODING): Don't define.
5631 (ASM_OUTPUT_LABEL): Don't define.
5632 (ASM_GLOBALIZE_LABEL): Don't define.
5633 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5634 names, and ASM_OUTPUT_LABEL to output labels, rather than
5636 (ASM_OUTPUT_LABEL): Define.
5637 (ASM_OUTPUT_INT): Use assemble_name.
5638 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5639 (STRIP_NAME_ENCODING): Don't undefine first.
5640 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5642 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5643 specified with 'asm' even with -fleading-underscore.
5644 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5645 (output_epilog): Likewise.
5646 (output_toc): Likewise.
5647 * tramp.asm: Handle -fleading-underscore correctly.
5649 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5651 (nonlocal_goto_receiver): Delete.
5652 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5654 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5655 (SET_ASM_OP): Define.
5656 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5658 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5661 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5662 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5664 * rs6000.h: Add 'u' to more constants.
5666 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5668 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5670 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5672 * rs6000.c (reg_or_u_cint_operand): New function.
5673 (logical_operand): Handle 64-bit hosts.
5674 (logical_u_operand): New function.
5675 (non_logical_cint_operand): Handle 64-bit hosts.
5676 (non_logical_u_cint_operand): New function.
5677 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5678 (PREDICATE_CODES): Define new functions.
5679 * rs6000-protos.h: Declare new functions.
5680 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5681 (movdi_64): Bracket code intended for 64-bit hosts. Create
5682 CONST_DOUBLE for 32-bit values.
5683 (scc insns): Generate DImode compares.
5684 (mfcr insns): Create DImode versions.
5685 (sge matchers): New patterns.
5687 2000-02-15 Gabriel Paubert <paubert@iram.es>
5689 * rs6000.md: Correct instructions length attributes and
5690 constraints on unsigned compare instructions.
5691 (*ne0): Disable for PowerPC64.
5693 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5695 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5696 quantity, fix profile1.C test failure under -fPIC.
5698 * rs6000.c: Add 'u' to many constants to suppress warnings.
5699 (constant_pool_expr_1): Make static.
5700 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5701 * rs6000.h: Add 'u' to many constants to suppress warnings.
5703 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5704 for the start of the TOC, instead of LCTOC..0.
5705 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5707 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5708 (load_toc_aix_di): Use LCTOC..1.
5710 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5711 * rs6000.c (rs6000_legitimize_address): New function from
5712 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5713 symbols in the constant pool that really are TOC references.
5714 (print_operand_address): For ELF, write TOC offsets under
5715 -fPIC as subtractions in the insn.
5716 (output_toc): For ELF, define symbols in TOC as normal labels,
5718 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5719 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5720 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5721 * rs6000.md (movsi): Only use create_TOC_reference on
5722 symbols in the constant pool that really are TOC references.
5724 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5725 * rs6000.c (rs6000_reorg): Delete.
5726 * rs6000-protos.h (rs6000_reorg): Delete.
5728 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5730 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5732 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5733 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5734 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5735 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5736 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5737 rs6000_aix_emit_builtin_unwind_init.
5738 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5739 rs6000_emit_eh_toc_restore on AIX.
5740 (return_eh_si): Use r2.
5741 (return_eh_di): Use r2.
5743 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5744 since we're breaking binary compatibility anyway.
5746 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5748 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5749 constant_pool_expr_p): Declare them.
5750 (constant_pool_expr_p): Declare it.
5751 * config/rs6000/rs6000.c (toc_label_name): Define.
5752 (rs6000_override_options): Set toc_label_name.
5753 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5754 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5755 uses_TOC): New functions.
5756 (print_operand): Delete old '*' case.
5757 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5758 and strip off rtl for TOC before calling output_addr_const.
5759 (rs6000_emit_load_toc_table): Use toc_label_name.
5760 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5762 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5763 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5764 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5765 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5766 into explicit TOC_REGISTER offsets.
5767 (TOC_REGISTER): New macro.
5768 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5769 TARGET_TOC to reference TOC_REGISTER.
5770 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5771 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5772 uses_TOC before emitting label references.
5774 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5776 * rs6000.md (stack_tie): Fix warning.
5778 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5779 to handle -fleading-underscore.
5780 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5781 (USER_LABEL_PREFIX): New macro.
5782 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5783 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5784 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5785 call-linux can use the same multilibs.
5786 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5787 and call-linux multilibs. Do multilib with -fleading-underscore.
5788 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5789 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5792 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5793 have MASK_SOFT_FLOAT set.
5794 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5795 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5796 CPP_FLOAT_DEFAULT_SPEC.
5798 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5799 * rs6000.md: Whitespace change.
5800 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5801 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5803 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5805 * rs6000.md (eh_epilogue): New expander.
5806 (eh_reg_restore): New expand/split/insn combination.
5807 (return_eh_si): New insn.
5808 (return_eh_di): New insn.
5810 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5811 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5812 * eabi-ctors.c (__do_global_ctors): Register this object's
5813 frame. Clean up. Call atexit() after the constructors.
5814 (__do_global_dtors): Deregister this object's frame. Clean up.
5815 Allow for recursive calls to exit().
5816 * rs6000.c (fixuplabelno): New variable.
5817 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5818 TARGET_RELOCATABLE, it slows down exec() under linux.
5819 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5821 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5822 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5823 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5824 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5825 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5826 (ASM_OUTPUT_DWARF_ADDR): New macro.
5827 (ASM_OUTPUT_DWARF_DATA4): New macro.
5828 (ASM_OUTPUT_DWARF_DATA2): New macro.
5829 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5830 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5831 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5833 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5835 * rs6000.c (rs6000_sr_alias_set): New variable.
5836 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5837 (rs6000_emit_stack_tie): New function.
5838 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5839 in a way that dwarf2out can understand.
5840 (rs6000_frame_related): New function.
5841 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5842 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5843 Use rs6000_emit_stack_tie when needed.
5844 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5845 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5846 * rs6000.md (stack_tie): New insn.
5847 (return_internal_si): Allow return value to be in the count
5849 (return_internal_di): Likewise.
5851 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5853 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5855 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5857 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5859 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5861 * rs6000.md (stmw): Use the right POWER opcode.
5864 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5866 * rs6000-protos.h: New file.
5868 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5870 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5873 * sysv4.h: Likewise.
5875 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5877 * ../../configure.in: Delete powerpcle-*-winnt*
5878 and powerpcle-*-pe|powerpcle-*-cygwin*.
5879 * ../../configure: Regenerated.
5881 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5882 (TARGET_WINDOWS_NT): Delete.
5884 (CALL_NT_DLLIMPORT): Delete.
5885 Delete NT-specific code.
5886 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5889 * nt-ci.asm: Delete.
5890 * nt-cn.asm: Delete.
5891 * ntstack.asm: Delete.
5893 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5895 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5896 (ASM_FILE_START): Likewise.
5897 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5898 (ASM_OUTPUT_LABELREF): Likewise.
5899 (ASM_OUTPUT_SKIP): Likewise.
5900 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5901 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5902 (ASM_OUTPUT_CASE_LABEL): Likewise.
5903 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5904 (ASM_OUTPUT_ASCII): Likewise.
5906 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5908 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5909 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5910 increment rs6000_pic_labelno here.
5911 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5912 and increment rs6000_pic_labelno here.
5914 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5916 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5917 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5918 allocation knows (reg) is dead before the insn.
5920 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5922 * rs6000.md (movsi_to_cr): Correct typo in output template.
5924 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5926 * rs6000.c (rs6000_pic_labelno): Always define.
5927 (rs6000_pic_func_labelno): Delete.
5928 (lmw_operation): Check for a zero base register,
5929 which doesn't mean what we want.
5930 (stmw_operation): New function.
5931 (print_operand): Define new 'l' modifier.
5932 (rs6000_stack_info): We must save all 64 bits of the registers
5933 if TARGET_POWERPC64.
5934 (rs6000_output_load_toc_table): Delete.
5935 (rs6000_emit_load_toc_table): New function.
5936 (rs6000_allocate_stack_space): Delete.
5937 (rs6000_emit_allocate_stack): New function.
5938 (rs6000_emit_prologue): New function.
5939 (output_prolog): Use rs6000_emit_prologue.
5940 (rs6000_emit_epilogue): Change a few variable names to be
5941 more accurate. Restore all 64 bits of the registers if
5942 TARGET_POWERPC64. Only restore the FP registers which were used
5943 if they are being saved/restored one-at-a-time.
5944 (output_mi_thunk): Delete inefficient code generation.
5945 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5946 * rs6000.h: Declare rs6000_emit_load_toc_table,
5947 rs6000_allocate_stack_space, stmw_operation. Don't declare
5948 rs6000_output_load_toc_table.
5949 * rs6000.md (elf_high): Allow register 0, but discourage it
5951 (elf_low): Support loading into register 0.
5952 (load_toc_aix_si): New pattern.
5953 (load_toc_aix_di): New pattern.
5954 (load_toc_v4_pic_si): New pattern.
5955 (load_toc_v4_pic_di): New pattern.
5956 (load_toc_v4_PIC_1): New pattern.
5957 (load_toc_v4_PIC_1b): New pattern.
5958 (load_toc_v4_PIC_2): New pattern.
5959 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5960 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5961 (prologue): New expander.
5962 (movesi_from_cr): New pattern.
5963 (stmw): New pattern.
5964 (save_fpregs_si): New pattern.
5965 (save_fpregs_di): New pattern.
5967 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5969 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5974 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5976 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5978 (movsi_got_internal): Likewise.
5979 (movsi_got_internal+1): Likewise.
5980 (set_sp): 'unspec 7' does a SImode clobber.
5982 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5984 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5985 allocate a stack temporary.
5986 (floatsidf2_internal): Likewise.
5987 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5989 (floatunssidf2): Don't use the fpmem "register", just
5990 allocate a stack temporary.
5991 (floatunssidf2_internal): Likewise.
5992 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5994 (floatsidf2_loadaddr): Delete.
5995 (floatsidf2_store1): Delete.
5996 (floatsidf2_store2): Delete.
5997 (floatsidf2_load): Delete.
5998 (fix_truncdfsi2): Don't use the fpmem "register", just
5999 allocate a stack temporary.
6000 (fix_truncdfsi2_internal_si): Delete.
6001 (fix_truncdfsi2_internal_di): Delete.
6002 (fix_truncdfsi2_internal): New insn.
6003 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
6004 (fix_truncdfsi2_store): Delete.
6005 (fix_truncdfsi2_load): Delete.
6006 (fctiwz): Produce gen_fctiwz.
6008 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6010 * eabi.h (INVOKE__main): Define.
6011 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
6013 (rs6000_emit_prologue): Likewise.
6014 * rs6000.h (struct rs6000_stack): Don't keep track of whether
6015 this is the main program.
6017 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6019 * rs6000.c (rs6000_va_arg): Delete some unused variables.
6021 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6023 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
6024 goes after the argument.
6026 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6028 * rs6000.md: Document 'unspec' values used.
6029 (epilogue): New expander.
6030 (movesi_to_cr_one): New expander.
6031 (movesi_to_cr and following): New pattern.
6033 (return_internal_si): New pattern.
6034 (return_internal_di): New pattern.
6035 (return_and_restore_fpregs_si): New pattern.
6036 (return_and_restore_fpregs_di): New pattern.
6037 * rs6000.h: Declare new functions.
6038 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
6039 rather than rs6000_calls_p.
6040 (rs6000_makes_calls): Delete.
6041 (lmw_operation): New function.
6042 (mtcrf_operation): New function.
6043 (rs6000_emit_epilogue): New function.
6044 (output_epilog): Call rs6000_emit_epilogue and final if
6045 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
6047 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6049 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
6050 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
6051 * aix.h (SUBTARGET_SWITCHES): Document switches.
6052 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
6053 sched-prolog and sched-epilog the same. Document all the
6055 (TARGET_OPTIONS): No longer allow -mdebug-.
6057 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6059 * rs6000.h (ASM_FILE_END): Move to aix.h.
6060 (EXTRA_SECTIONS): Move to aix.h.
6061 (READONLY_DATA_SECTION): Move to aix.h.
6062 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6063 (SELECT_SECTION): Move to aix.h.
6064 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6065 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6066 (LINK_REGISTER_REGNUM): New definition.
6067 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6068 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6070 * sysv4.h: Delete the code between the inclusion of rs6000.h
6072 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6073 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6074 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6075 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6076 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6077 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6078 (fix_truncdfsi2_internal_di): New pattern.
6079 (fix_truncdfsi2_store): The second arg here is Pmode too.
6080 (fix_truncdfsi2_load): The second arg here is Pmode too.
6081 (tablejumpdi): Now that switch tables hold only SImode values,
6082 gcc needs to know how to add them to the pc which is DImode.
6083 * rs6000.c (rs6000_stack_info): Use symbolic name for
6084 LINK_REGISTER_REGNUM.
6085 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6086 (output_toc): Delete unused variables s1 and s2.
6087 (output_ascii): Use fputs not fprintf on a variable string.
6089 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6091 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6092 * aix43.h: Revert Aug 2 change.
6093 (HAS_INIT_SECTION): Define, not visible yet.
6094 (LD_INIT_SWITCH): Define, not visible yet.
6095 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6097 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6099 * config/rs6000/rtems.h: Include config/rtems.h.
6101 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6103 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6104 (SLOW_UNALIGNED_ACCESS): Define.
6105 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6106 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6107 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6108 (toc_section): Likewise and .toc pseudo-op.
6109 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6111 (TEXT_SECTION_ASM_OP): Likewise.
6112 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6115 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6117 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6118 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6121 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6123 * rs6000.h: Move more stuff from here...
6125 * sysv4.h: Cleanup accordingly.
6126 * netware.h: Likewise
6128 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6130 * rs6000.h: Continue cleanup.
6133 * netware.h: Likewise.
6135 * sysv4.h: Likewise.
6136 * win-nt.h: Likewise.
6138 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6139 (TARGET_OPTIONS): Likewise.
6141 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6142 (SUBTARGET_OPTIONS): Likewise.
6144 * rs6000.md: Fix compile time warnings.
6146 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6148 vxworks patches from the Cygnus tree originally by
6149 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6150 <vmakarov@cygnus.com>.
6151 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6152 (ENDFILE_SPEC): Likewise.
6153 (LIB_VXWORKS_SPEC): New macro.
6154 (STARTFILE_VXWORKS_SPEC): New macro.
6155 (ENDFILE_VXWORKS_SPEC): New macro.
6156 (LINK_START_VXWORKS_SPEC): New macro.
6157 (LINK_OS_VXWORKS_SPEC): New macro.
6158 (CPP_OS_VXWORKS_SPEC): New macro.
6159 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6160 * vxppc.h: Rewrite to use proper configuration method.
6161 * vxppcle.h: New file.
6162 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6163 * ../../configure: Rebuilt.
6165 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6167 Lots of changes to rs6000.h, sysv4.h, aix.h,
6168 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6169 with the aim that rs6000.h is the first header
6170 included and the others override it.
6173 * x-aix41-gld: Remove.
6175 * x-aix41: Remove target-specific switches, and don't specify
6176 -Wl,-bbigtoc as we don't need it any more.
6177 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6178 Use t-aix43 for AIX 4.3 and above.
6179 * ../../configure: Regenerated.
6181 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6182 options, that don't do anything yet.
6183 (MASK_SCHED_PROLOG): New macro.
6184 (MASK_SCHED_EPILOG): New macro.
6185 (TARGET_SCHED_PROLOG): New macro.
6186 (TARGET_SCHED_EPILOG): New macro.
6188 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6190 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6191 one per translation unit, not one per function.
6192 (output_toc): Also do duplicate constant elimination
6193 for per-translation-unit TOCs.
6195 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6196 a comment explaining _exactly_ when this pattern gets used.
6197 (builtin_setjmp_receiver): New pattern for better clarity.
6198 (init_v4_pic): Move it into a section dealing with TOC registers.
6200 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6202 * rs6000.c (toc_hash_table): New variable.
6203 (rs6000_hash_constant): New function.
6204 (toc_hash_function): New function.
6205 (toc_hash_eq): New function.
6206 (toc_hash_mark_entry): New function.
6207 (toc_hash_mark_table): New function.
6208 (output_toc): Don't output duplicate TOC entries in
6210 (rs6000_add_gc_roots): Add the hash table as a GC root.
6211 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6212 where they clearly shouldn't be. This may need to be fixed
6213 later when there is a GNU ar for AIX.
6214 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6215 Don't define BOOT_LDFLAGS as it is now not necessary.
6217 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6219 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6220 for va_list on AIX. Use unsigned_char_type_node rather than
6221 constructing our own version on svr4.
6223 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6225 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6226 since patently it's not.
6228 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6230 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6231 define_expand/define_insn pair, and handle restore of the
6232 SVR4 -fpic register.
6234 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6236 * acconfig.h (HAVE_GAS_WEAK): New define.
6237 * configure.in (assembler weak support): Check for .weak support.
6238 * config.in, configure: Rebuilt.
6239 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6240 HAVE_GAS_WEAK is defined.
6242 2000-03-15 Nick Clifton <nickc@cygnus.com>
6244 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6247 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6249 * cppfiles.c (open_include_file): New function.
6250 (find_include_file, cpp_read_file): Use it.
6252 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6254 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6256 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6258 * flow.c (verify_flow_info): Check for unconditional return.
6260 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6262 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6263 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6264 (__ia64_restore_stack_nonlocal): New.
6265 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6267 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6269 * cpphash.c (collect_formal_parameters): Do not complain about
6270 parameter names that just start with `__VA_ARGS__'.
6272 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6274 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6275 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6276 * i386.c (pentiumpro_cost): Set mul cost to 4.
6277 (x86_use_movx): Set for PPro.
6279 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6281 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6282 STACK_BOUNDARY for empty frames now.
6284 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6286 * stor-layout.c (layout_union): Remove.
6287 (layout_union_field): New function, split out from layout_union.
6288 (finish_union_layout): Likewise.
6289 (layout_field): Handle unions by calling layout_union_field.
6290 (finish_record_layout): Handle unions.
6291 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6292 QUAL_UNION_TYPE handling.
6294 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6296 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6297 end of basic block is jump_insn, not barrier; use create_basic_block
6298 instead of creating basic block by hand.
6300 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6302 * flow.c (reorder_basic_blocks): Account for barriers when writing
6303 over NEXT_INSN (last_bb->end).
6304 (verify_flow_info): Add check for missing barriers.
6306 2000-03-14 Greg McGary <gkm@gnu.org>
6308 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6309 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6310 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6311 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6312 __unbounded, __unbounded__): New keywords.
6313 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6314 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6315 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6317 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6319 * cselib.h: New file.
6320 * alias.c: Include "cselib.h".
6321 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6322 MEMs as two new arguments.
6323 (get_addr): New static function.
6324 (find_base_term): Handle VALUEs.
6325 (memrefs_conflict_p): Likewise.
6326 (true_dependence): Call get_addr on the addresses.
6327 Call fixed_scalar_and_varying_struct_p with addresses that have been
6328 passed through get_addr and canon_rtx.
6329 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6330 with true_dependence.
6331 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6332 * loop.c: Include "cselib.h".
6333 (load_mems): Process extended basic block that enters the loop with
6334 cselib. Use that information to change initialization of the shadow
6335 register so that a constant equivalence is seen by later passes.
6336 * reload1.c: Include "cselib.h".
6337 (reload_cse_invalidate_regno): Delete function.
6338 (reload_cse_mem_conflict_p): Likewise.
6339 (reload_cse_invalidate_mem): Likewise.
6340 (reload_cse_invalidate_rtx): Likewise.
6341 (reload_cse_regno_equal_p): Likewise.
6342 (reload_cse_check_clobber): Likewise.
6343 (reload_cse_record_set): Likewise.
6344 (reg_values): Delete static variable.
6345 (invalidate_regno_rtx): Likewise.
6346 (reload_cse_delete_noop_set): New static function.
6347 (reload_cse_simplify): New static function, broken out of
6349 (reload_cse_noop_set_p): Delete unused argument INSN.
6350 Just call rtx_equal_for_cselib_p on set source and destination.
6351 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6352 reload_cse_delete_noop_set. Delete code to keep track of values; use
6353 cselib functions instead. Delete code to push/pop obstacks.
6354 (reload_cse_simplify_set): Use cselib to find equivalent values.
6355 Delete code to push/pop obstacks.
6356 (reload_cse_simplify_operands): Likewise.
6357 * rtl.def (VALUE): New rtx code.
6358 * rtl.h (union rtunion_def): New elt rt_cselib.
6359 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6360 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6361 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6362 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6363 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6364 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6365 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6366 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6367 cselib_record_set, cselib_record_sets): New static functions.
6368 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6369 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6370 references_value_p): New functions.
6371 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6372 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6373 n_useless_values, reg_values, callmem, cselib_obstack,
6374 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6375 New static variables.
6376 * varray.h (union varray_data_tag): New elt te.
6377 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6378 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6381 2000-03-14 Nick Clifton <nickc@cygnus.com>
6383 * gcc.c (do_spec_1): Catch the case where %* is used in a
6384 substitution pattern, but it has not been initialised.
6385 Issue a meaningful error message if an unrecognised operator
6386 is encountered in a spec string.
6388 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6390 * function.c (prepare_function_start): Correctly initialize
6391 cfun->stack_alignment_needed.
6393 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6395 * cppfiles.c (find_include_file): Don't assume nshort is a
6398 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6400 * configure.in (hppa configurations): Add pa32-regs.h to the
6401 list of tm files as appropriate.
6402 * configure: Rebuilt.
6403 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6405 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6406 (fmpyaddoperands, fmpysuboperands): Likewise.
6407 * pa.h: Remove various definitions which depend on knowing
6408 how registers are numbered.
6409 * pa32-regs.h: New file with PA32 register numbering specific
6412 2000-03-14 Richard Henderson <rth@cygnus.com>
6414 * regmove.c (combine_stack_adjustments): New.
6415 (stack_memref_p, single_set_for_csa): New.
6416 (free_csa_memlist, record_one_stack_memref): New.
6417 (try_apply_stack_adjustment): New.
6418 (combine_stack_adjustments_for_block): New.
6419 * rtl.h (combine_stack_adjustments): Declare.
6420 * toplev.c (rest_of_compilation): Call it.
6422 * i386.md: Revert 2000-01-16 change.
6424 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6426 * gccbug.in: Add web category, gcc specific classes.
6428 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6430 * stor-layout.c (finalize_record_size): Fix typo.
6432 2000-03-14 Stan Shebs <shebs@apple.com>
6434 * c-typeck.c (c_alignof): Error on incomplete types.
6435 * extend.texi (Alignment): Document this.
6437 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6439 * cppfiles.c: Include mkdeps.h.
6440 (find_include_file, read_include_file): Remove _cpp_ prefix
6441 from name, make static.
6442 (_cpp_execute_include): New function, broken out of
6445 * cpplib.c: Don't include mkdeps.h.
6446 (struct directive): Remove type field. Reorder entries. The
6447 function takes only one argument.
6448 (struct if_stack): Make type field an int.
6449 (directive_table): Rename to dtable. Generate it, the
6450 prototypes of the directive handlers, and the enum for the
6451 directive numbers, from a template macro.
6452 (do_ifndef, do_include_next, do_import): New functions.
6453 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6454 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6455 do_ident, do_assert, do_unassert, do_sccs): Take only one
6457 (do_sccs): Define always, but alter behavior based on
6459 (_cpp_handle_directive, consider_directive_while_skipping):
6460 Restructure for new directive table layout.
6462 (pass_thru_directive): Take a directive number, not a pointer
6463 to a struct directive.
6464 (parse_include): New function, broken out of do_include.
6465 (do_include, do_import, do_include_next): Use parse_include
6466 and _cpp_execute_include.
6467 (do_elif, do_else): Test for T_ELSE specifically when checking
6468 for #elif/#else after #else.
6469 (parse_ifdef): New function, broken out of do_ifdef.
6470 (validate_else): Expect a name arg without a leading #.
6471 (if_directive_name): Delete.
6472 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6473 directive handlers with only one argument.
6475 * cpphash.h: Update prototypes.
6476 (enum node_type): Remove entries for directives.
6477 * Makefile.in: Update dependencies.
6479 * cpphash.c (dump_hash_helper): Only dump nodes of type
6480 T_MACRO. Emit a newline after each definition.
6482 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6484 * gccbug.in: New file.
6485 * configure.in (all_outputs): Add gccbug.
6486 * Makefile.in (install-common): Install gccbug.
6487 (GCCBUG_INSTALL_NAME): New variable.
6488 * configure: Rebuilt.
6490 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6492 * function.c (put_var_into_stack): Use type_for_mode to calculate
6493 part_type. Use MEM_SET_IN_STRUCT_P.
6494 * expr.c (store_field): Handle CONCAT.
6495 (store_constructor): Use fields_length.
6496 * tree.c (fields_length): New fn.
6497 * tree.h: Declare it.
6499 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6501 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6502 (cpplex.o): New target.
6503 * po/POTFILES.in: Add cpplex.c.
6505 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6506 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6507 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6508 skip_block_comment, skip_line_comment, skip_comment,
6509 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6510 _cpp_parse_name, skip_string, parse_string,
6511 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6512 _cpp_get_directive_token, find_position,
6513 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6514 (maybe_macroexpand, _cpp_lex_token): New functions.
6516 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6517 parse_goto_mark): Delete.
6518 (_cpp_handle_eof): New function.
6519 (_cpp_handle_directive): Rename from handle_directive.
6520 (_cpp_output_line_command): Rename from output_line_command.
6521 (do_if, do_elif): Call _cpp_parse_expr directly.
6522 * cppfiles.c (_cpp_read_include_file): Don't call
6523 init_input_buffer here.
6524 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6525 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6526 here; pop the token_buffer and skip the rest of the line here.
6527 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6530 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6532 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6533 CPP_GOTO_MARK): New macros.
6534 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6535 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6536 _cpp_read_and_prescan, _cpp_init_input_buffer,
6537 _cpp_grow_token_buffer, _cpp_get_directive_token,
6538 _cpp_handle_directive, _cpp_handle_eof,
6539 _cpp_output_line_command): Prototype them here.
6540 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6541 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6542 quote_string, output_line_command): Remove.
6544 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6546 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6547 whether it is too large we must also verify that it isn't negative.
6549 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6551 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6552 (movsi_zero_liveg0): Remove.
6553 (movsf_insn_novis_liveg0): Remove.
6555 (negsi2_not_liveg0): Rename to negsi2.
6556 (one_cmplsi2): Remove.
6557 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6558 (one_cmplsi2_liveg0): Remove.
6559 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6560 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6561 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6562 (PREDICATE_CODES): Remove zero_operand.
6563 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6564 TARGET_BROKEN_SAVERESTORE.
6565 (zero_operand): Remove.
6566 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6567 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6569 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6570 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6571 TARGET_BROKEN_SAVERESTORE): Remove.
6572 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6574 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6576 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6579 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6581 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6583 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6584 truncating a string. Don't assume tokens are nul terminated.
6585 Problem noted by Andreas Jaeger <aj@suse.de>
6587 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6589 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6590 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6591 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6593 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6595 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6596 STRUCTURE_SIZE_BOUNDARY.
6598 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6600 * tree.h (record_layout_info_s): New structure.
6601 (record_layout_info): New type.
6602 (new_record_layout_info): New function.
6603 (layout_field): Likewise.
6604 (finish_record_layout): Likewise.
6605 * stor-layout.c (layout_record): Remove.
6606 (new_record_layout_info): New function.
6607 (layout_field): New function, broken out from layout_record.
6608 (finalize_record_size): Likewise.
6609 (compute_record_mode): Likewise.
6610 (finalize_type_size): New function, broken out from layout_type.
6611 (finish_record_layout): Likewise.
6612 (layout_type): Use them.
6614 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6616 * cpphash.c: Don't include version.h.
6617 (special_symbol) [case T_VERSION]: Look for the string in
6618 hp->value.cpval; don't use version_string.
6619 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6620 __VERSION__ to version_string.
6621 * Makefile.in (cpphash.o): Update deps.
6623 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6625 Convert cpplib to use libiberty/hashtab.c.
6627 * cpplib.h (struct cpp_reader): Make hashtab and
6628 all_include_files of type 'struct htab *'. Delete HASHSIZE
6629 and ALL_INCLUDE_HASHSIZE macros.
6631 * cpphash.h: Update prototypes.
6632 (struct hashnode): Remove next, prev, and bucket_hdr members.
6633 Make length a size_t. Add hash member.
6634 (struct ihash): Remove next member. Add hash member. Make
6635 name a flexible array member.
6637 * cppfiles.c: Include hashtab.h.
6638 (include_hash): Delete.
6639 (IHASHSIZE): New macro.
6640 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6641 (cpp_included): Do the hash lookup here.
6642 (_cpp_find_include_file): Rewrite.
6643 (cpp_read_file): Put the "fake" hash entry into the hash
6644 table. Honor the control_macro, if it turns out we've seen
6645 the file before. Don't push the buffer here.
6646 (_cpp_read_include_file): Push the buffer here.
6647 (OMODES): New macro. Use it whenever we call open(2).
6649 * cpphash.c: Include hashtab.h.
6650 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6651 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6652 _cpp_lookup_slot): New functions.
6653 (HASHSIZE): new macro.
6654 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6655 (_cpp_lookup): Use hashtab.h routines.
6657 * cppinit.c: Include hashtab.h.
6658 (cpp_reader_init): Call _cpp_init_macro_hash and
6659 _cpp_init_include_hash. Don't allocate hashtab directly.
6660 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6661 pfile->all_include_files.
6662 (initialize_builtins): Use _cpp_make_hashnode and
6663 htab_find_slot to add hash entries.
6664 (cpp_finish): Just call _cpp_dump_macro_hash.
6665 * cpplib.c: Include hashtab.h.
6666 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6667 create hash entries.
6668 (do_pragma_poison, do_assert): Likewise.
6669 (do_include): Don't push the buffer here. Don't increment
6670 system_include_depth unless _cpp_read_include_file succeeds.
6671 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6673 (do_pragma_implementation): Use alloca to create copy.
6675 * Makefile.in: Update dependencies.
6677 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6679 * cppinit.c (cl_directive_handler): More K&R fixing.
6681 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6683 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6685 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6687 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6689 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6690 Change from char[] to macros.
6692 2000-03-12 Neil Booth <NeilB@earthling.net>
6694 * cppinit.c (cpp_start_read): Update indirect function
6697 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6699 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6702 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6703 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6705 2000-03-11 Neil Booth <NeilB@earthling.net>
6707 * cppinit.c (struct pending option): Replace undef with a
6708 pointer to a directive handling routine.
6709 (struct cpp_pending): Replace separate assert_ and define_
6710 lists with one directive_ list.
6711 (new_pending_define): Rename new_pending_directive. Extra
6712 argument is the directive's handling routine.
6713 (handle_option): Update to use new_pending_directive.
6715 2000-03-11 Neil Booth <NeilB@earthling.net>
6717 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6718 remap_filename, _cpp_read_include_file, actual_directory,
6719 hack_vms_include_specification): Replace bcopy(), index() etc
6720 calls. Add casts to some allocations. Make some variables
6721 pointers to const [unsigned] char.
6722 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6723 collect_formal_parameters): Similarly.
6724 * cppinit.c (struct pending_option, append_include_chain,
6725 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6726 cpp_start_read, new_pending_define, handle_option): Similarly.
6727 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6728 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6729 do_pragma_implementation, detect_if_not_defined,
6730 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6731 do_assert, do_unassert): Similarly.
6732 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6733 function prototypes.
6734 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6736 2000-03-10 Richard Henderson <rth@cygnus.com>
6738 * builtins.c (expand_builtin_strlen): Revert last change.
6739 Use emit_insn_before if we're at the beginning of a sequence.
6741 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6743 * builtins.c (expand_builtin_strlen): Make sure that we have something
6744 at the beginning of the sequence.
6746 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6749 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6751 2000-03-10 Richard Henderson <rth@cygnus.com>
6753 * except.c (can_throw): Use INTVAL on a CONST_INT.
6754 (reachable_handlers): Likewise.
6755 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6757 2000-03-10 Andreas Jaeger <aj@suse.de>
6759 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6760 MD_STARTFILE_PREFIX since those are not needed on linux.
6761 (ASM_FILE_START): New, from mips/gnu.h.
6763 2000-03-09 Richard Henderson <rth@cygnus.com>
6764 Alex Samuel <samuel@codesourcery.com> and others
6766 * Makefile.in (ssa.o): New rule.
6768 (STAGESTUFF): Add *.ssa and *.ussa.
6769 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6770 * rtl.def (PHI): New RTL expression.
6771 * rtl.h (clear_log_links): New declaration.
6772 (convert_to_ssa): Likewise.
6773 (convert_from_ssa): Likewise.
6774 * flow.c (split_edge): If the entry node falls through to the
6775 split edge's source block, split the entry edge.
6776 (clear_log_links): New function.
6777 * toplev.c (ssa_dump): New variable.
6778 (flag_ssa): Likewise.
6779 (f_options): Add "ssa".
6780 (compile_file): Create SSA dump files.
6781 (rest_of_compilation): Go to and from SSA if enabled.
6782 (decide_d_option): Handle -de for SSA dump files.
6785 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6787 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6790 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6792 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6794 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6796 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6797 (MD_STARTFILE_PREFIX_1): New macro.
6799 2000-03-09 Robert Lipe <robertl@sco.com>
6801 * config/ia64/ia64.c: Include system.h.
6803 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6805 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6806 (init_eh_nesting_info): Likewise.
6808 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6809 (TREE_NOTHROW): Rename from TREE_RAISES.
6810 * toplev.c (rest_of_compilation): Set it.
6811 * print-tree.c (print_node): Adjust.
6812 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6813 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6814 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6815 REG_EH_REGION note as appropriate.
6816 (libfunc_nothrow): New fn.
6817 (emit_library_call, emit_library_call_value): Use it.
6818 (expand_call): Check TREE_NOTHROW.
6820 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6821 DECL_ASSEMBLER_NAME.
6823 2000-03-09 Andreas Jaeger <aj@suse.de>
6825 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6826 (TARGET_MEM_FUNCTIONS): Define.
6828 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6830 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6832 * except.c (can_throw): See through a SEQUENCE.
6833 (nothrow_function_p): New fn.
6834 * except.h: Declare it.
6835 * function.c (current_function_nothrow): New var.
6836 (prepare_function_start): Initialize it.
6837 * output.h: Declare it.
6838 * toplev.c (rest_of_compilation): Set it.
6839 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6841 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6843 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6844 match. (cpp_compare_defs): Count the nul separator when
6845 advancing over argument names.
6847 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6849 * recog.c (preprocess_constraints): Matching constraints affect
6850 same alternative/different operand, not same operand/different
6853 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6854 register and a constant specially.
6856 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6858 * libgcc2.h: New file.
6859 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6861 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6863 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6864 * configure: Regenerate.
6867 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6869 * Makefile.in (LIBCPP_DEPS): New macro.
6870 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6872 * cpperror.c: Include cpphash.h.
6873 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6875 (lex): Don't use CPP_WARN_UNDEF.
6876 (_cpp_parse_expr): Return an int, the truth value.
6877 * cppfiles.c: Include cpphash.h.
6878 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6879 * cppinit.c (include_defaults_array): Disentangle.
6880 (cpp_cleanup): Don't free the if stack here.
6881 (cpp_finish): Pop off all buffers, not just one.
6882 * cpplib.c (eval_if_expr): Return int.
6883 (do_xifdef): Rename do_ifdef.
6884 (handle_directive): Don't use CPP_PREPROCESSED.
6885 (cpp_get_token): Don't use CPP_C89.
6886 * fix-header.c: Don't use CPP_OPTIONS.
6888 * cpplib.h: Move U_CHAR, enum node_type, struct
6889 file_name_list, struct ihash, is_idchar, is_idstart,
6890 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6891 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6892 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6893 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6894 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6895 of _cpp_simplify_pathname, _cpp_find_include_file,
6896 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6897 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6899 Change all uses of U_CHAR to be unsigned char instead.
6900 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6902 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6904 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6905 (dwarf2out_begin_prologue): Set it.
6906 (output_call_frame_info): Don't emit EH unwind info for leaves.
6908 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6909 can occur outside of an EH region.
6910 * except.c: Correct comments about rethrow behavior.
6911 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6913 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6915 * flow.c (make_edges): Always call make_eh_edge for calls.
6917 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6919 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6920 (struct cpp_buffer): Remove fname and underflow fields.
6921 (struct cpp_reader): Remove get_token field.
6922 (struct include_hash): Rename to struct ihash. Add typedef to
6924 (struct if_stack): Remove fname field.
6925 (IF_STACK_FRAME): Rename to IF_STACK.
6927 * cpperror.c (print_containing_files): Trust that there are no
6928 macro buffers below the top file buffer.
6929 * cppfiles.c: Replace all references to 'struct include_hash'
6930 with 'IHASH'. Rename initialize_input_buffer to
6931 init_input_buffer. Don't set or reference cpp_buffer->fname,
6932 use buffer->ihash->name instead.
6933 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6934 not CPP_NULL_BUFFER.
6935 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6936 IF_STACK_FRAME, IHASH not struct include_hash.
6937 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6938 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6939 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6940 references to cpp_buffer->fname (delete entirely, or use
6941 ->ihash->name instead) and IF_STACK->fname.
6942 (cpp_push_buffer): Don't set new->underflow.
6943 (do_include): Use cpp_file_buffer.
6945 * cpphash.c (collect_formal_parameters): Remove duplicate
6946 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6947 used as a macro argument name. Don't append "..." to namebuf
6948 for varargs macros. After we're done scanning, go through
6949 namebuf and make it NUL separated, not comma separated.
6950 (_cpp_compare_defs): Remove register tag from variables.
6951 Expect defn->argnames to be NUL separated.
6952 (_cpp_dump_definition): Expect defn->argnames to be NUL
6953 separated and in forward order.
6954 * cpphash.h: Update documentation of argnames field.
6956 2000-03-08 Richard Henderson <rth@cygnus.com>
6958 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6959 to fail. Don't pre-expand the source operand.
6961 * i386.md (strlensi): Initialize eoschar and align before use.
6963 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6965 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6966 CONSTRUCTOR element.
6968 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6970 * mips.c (mips_expand_prologue): If the last
6971 named argument is the vararg marker "va_list", treat it as
6972 an unnamed argument.
6974 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6976 * dbxout.c (dbxout_parms): When correcting for promoted
6977 big-endian parameters, use the mode of the DECL_RTL rather
6978 than UNITS_PER_WORD.
6980 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6982 * c-common.h (make_fname_decl): Declare.
6983 * c-common.c (make_fname_decl): Define.
6984 (declare_hidden_char_array): Remove.
6985 (declare_function_name): Use make_fname_decl.
6986 * c-decl.c (c_make_fname_decl): New function.
6987 (init_decl_processing): Set make_fname_decl.
6989 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6991 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6993 2000-03-07 Philipp Thomas <pthomas@suse.de>
6995 * po/POTFILES.in: Remove cppalloc.c from file list.
6997 2000-03-07 Steve Chamberlain <sac@pobox.com>
6999 * pj.c (pj_expand_prologue): current_function->args_info is
7000 now current_function_args_info.
7002 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
7003 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
7004 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
7006 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7008 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
7009 output as hexadecimal rather than the default octal.
7011 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7013 * cpphash.c (special_symbol): Fix thinko in previous commit.
7015 2000-03-07 Neil Booth <NeilB@earthling.net>
7017 * cppexp.c (struct operation, left_shift, right_shift,
7018 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
7019 "int"s to "unsigned int"s.
7020 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
7022 * cpplib.h: Update for above.
7023 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
7024 returned from allocations.
7026 * cppinit.c (opt_comp, parse_options): New functions.
7027 (handle_option): Use parse_option to parse a single command
7028 line option, that possibly takes an argument.
7029 (cpp_handle_options): Sort the array of command line options on
7030 first invocation (non-ASCII hosts only).
7031 (print_help): Update.
7033 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7035 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
7036 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
7038 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
7040 * cppinit.c (cpp_cleanup): Free imp->nshort also.
7042 * cpperror.c (cpp_print_containing_files,
7043 cpp_print_file_and_line, v_cpp_message): Rename to
7044 print_containing_files, print_file_and_line, and v_message.
7045 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
7046 to _cpp_parse_expr, parse_escape, and lex.
7047 (parse_charconst): Remove broken multibyte support.
7048 * cppfiles.c (include_hash): Make static.
7049 (cpp_included): New function.
7050 (merge_include_chains, find_include_file, finclude,
7051 simplify_pathname): Rename to _cpp_merge_include_chains,
7052 _cpp_find_include_file, _cpp_read_include_file, and
7053 _cpp_simplify_pathname.
7054 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7055 cpp_install, create_definition, macroexpand, compare_defs,
7056 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7057 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7058 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7059 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7061 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7063 * cpphash.h: Update prototypes.
7064 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7066 2000-03-07 Andrew Haley <aph@cygnus.com>
7068 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7069 PTRDIFF_TYPE should be based solely on Pmode.
7072 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7074 * rtl.h (rtunion_def): Constify member `rtstr'.
7075 (emit_line_note_after, emit_line_note, emit_line_note_force,
7076 emit_note, decode_asm_operands): Constify.
7078 * cse.c (canon_hash): Likewise.
7080 * dbxout.c (dbxout_block): Likewise.
7082 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7083 v_warning_for_asm): Likewise.
7085 * dwarfout.c (function_start_label): Likewise.
7087 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7088 emit_line_note_force): Likewise.
7090 * final.c (last_filename, asm_insn_count, final_scan_insn,
7091 output_source_line): Likewise.
7093 * function.h (struct emit_status): Likewise.
7095 * gcse.c (hash_expr_1): Likewise.
7097 * genattr.c (gen_attr, main): Likewise.
7099 * genattrtab.c (struct function_unit, current_alternative_string,
7100 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7101 attr_numeral, check_attr_test, check_attr_value,
7102 convert_set_attr_alternative, convert_set_attr,
7103 compute_alternative_mask, simplify_by_exploding, gen_attr,
7104 gen_unit): Likewise.
7106 * genflags.c (gen_insn): Likewise.
7108 * gengenrtl.c (type_from_format): Likewise.
7110 * genopinit.c (gen_insn): Likewise.
7112 * genoutput.c (n_occurrences, process_template, process_template):
7115 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7118 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7121 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7122 ggc_set_mark, ggc_get_size): Likewise.
7124 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7126 * optabs.c (init_one_libfunc): Likewise.
7128 * output.h (assemble_start_function): Likewise.
7130 * recog.c (decode_asm_operands): Likewise.
7132 * toplev.c (rest_of_compilation): Likewise.
7134 * tree.h (emit_line_note_after, emit_line_note,
7135 emit_line_note_force): Likewise.
7137 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7138 asm_emit_uninitialised, assemble_start_function,
7139 assemble_variable, const_hash, compare_constant_1,
7140 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7142 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7144 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7146 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7148 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7150 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7151 arm_dllimport_name_p): Likewise.
7153 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7156 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7158 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7160 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7161 arm_mark_dllexport, arm_mark_dllimport,
7162 arm_pe_encode_section_info): Likewise.
7164 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7165 ASM_FINISH_DECLARE_OBJECT): Likewise.
7167 * arm/thumb.c (thumb_function_prologue): Likewise.
7169 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7171 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7173 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7175 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7177 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7179 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7181 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7182 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7184 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7186 * i386/i386.c (asm_output_function_prefix): Likewise.
7188 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7190 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7192 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7194 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7195 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7196 ASM_OUTPUT_SECTION_NAME): Likewise.
7198 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7200 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7202 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7204 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7206 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7208 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7210 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7212 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7214 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7216 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7218 * mips/mips.md (movdi, movsi): Likewise.
7220 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7222 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7224 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7226 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7227 ASM_OUTPUT_ASCII): Likewise.
7229 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7230 output_mi_thunk, output_toc): Likewise.
7232 * rs6000/rs6000.md (movsi): Likewise.
7234 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7236 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7238 * v850/v850.c (print_operand, print_operand_address,
7239 v850_encode_data_area): Likewise.
7241 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7243 * config/mips/mips.md (zero_extendsidi2): Always force operand
7244 one to memory for mips16.
7246 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7248 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7249 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7250 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7251 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7252 (min_precision): Result is unsigned.
7253 (add_double, neg_double, mul_double): Low word is unsigned.
7254 (lshift_double, rshift_double, lrotate_double): Likewise.
7255 (rrotate_double, div_and_round_double): Likewise.
7256 (tree_floor_log2, compare_tree_int): New functions.
7257 (preserve_rtl_expr_temps): New declaration.
7258 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7259 (decl_attributes): Use tree_log2 to find alignment.
7260 Check for TREE_INT_CST_HIGH for format args.
7261 (min_precision): Now unsigned.
7262 Use tree_floor_log2.
7263 (truthvalue_conversion): Delete long-disabled code.
7264 * c-decl.c (finish_struct): Clean up tests on field width.
7265 (finish_function): Use compare_tree_int.
7266 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7267 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7268 (default_conversion, digest_init): Use compare_tree_int.
7269 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7270 Fix type errors in forming masks.
7271 * calls.c (initialize_argument_information): Use compare_tree_int.
7272 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7273 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7274 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7275 (store_field): Use compare_tree_int.
7276 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7277 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7278 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7279 (do_store_flag): Use compare_tree_int.
7280 * fold-const.c (encode, decode): Low part is always unsigned.
7281 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7282 (lshift_double, rshift_double, lrotate_double): Likewise.
7283 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7284 (fold_convert): Use compare_tree_int.
7285 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7286 (invert_truthvalue, case INTEGER_CST): Likewise.
7287 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7288 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7289 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7290 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7292 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7293 (expand_end_case): Use compare_tree_int.
7294 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7295 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7296 (layout_decl): Likewise.
7297 (layout_record, layout_union): Make sizes unsigned.
7298 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7299 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7300 * tree.c (struct type_hash): hashcode is unsigned.
7301 (build_type_attribute_variant, type_hash_list): Likewise.
7302 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7303 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7304 (build_complex_type): Likewise.
7305 (real_value_from_int_cst): Remove unneeded casts.
7306 (integer_all_onesp): Add casts.
7307 (tree_floor_log2, compare_tree_int): New functions.
7308 (build_index_type): Use tree_int_cst_sgn.
7309 * varasm.c (assemble_variable): Use compare_tree_int.
7311 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7313 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7315 * varasm.c (make_decl_rtl): Don't add a number to members of
7317 (make_function_rtl): Likewise.
7319 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7321 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7322 patch from 2000-01-28.
7324 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7326 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7327 filled with an insn from the jump target.
7329 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7331 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7332 (c4x_external_ref): Likewise.
7333 * config/c4x/c4x.c (struct name_list): Likewise.
7335 1999-12-16 Ben Collins <bcollins@debian.org>
7337 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7338 argument to genmultilib.
7339 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7340 the contents into the multilib.h header.
7341 * gcc.c: Declare multilib_exclusions for the specs file.
7342 (set_multilib_dir): Use it.
7343 (print_multilib_info): Likewise.
7344 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7345 to pass to genmultilib.
7347 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7349 * builtins.c (built_in_class_names, built_in_names): Constify a
7352 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7354 (_mcleanup): Ensure value matches format specifier in sprintf.
7356 * cpphash.c (special_symbol): Don't needlessly cast away
7359 * cppinit.c (base_name): Delete unused prototype.
7361 * mkdeps.c (deps_init): Make definition K&R safe.
7363 * tree.h (built_in_class_names, built_in_names): Constify a
7366 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7368 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7369 floating point instructions for epilogue delay.
7371 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7372 to gas if it supports .register pseudo.
7374 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7375 LONG_DOUBLE_TYPE_SIZE if not defined.
7376 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7377 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7379 * gengenrtl.c: Likewise.
7380 * print-rtl.c: Likewise.
7382 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7383 MASK_LONG_DOUBLE_128.
7384 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7385 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7386 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7387 (SUBTARGET_SWITCHES): Define.
7388 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7389 with -mlong-double-128.
7390 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7391 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7392 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7393 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7394 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7395 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7396 with -mlong-double-128.
7397 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7398 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7399 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7400 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7401 TARGET_LONG_DOUBLE_128): Define.
7402 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7403 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7404 long double on TARGET_ARCH64.
7406 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7408 * function.c (free_temps_for_rtl_expr): Don't free slots
7409 that have been pushed into a higher level.
7412 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7414 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7416 * basic-block.h (ALLOCA_REG_SET): Remove.
7417 (INITIALIZE_REG_SET): New macro.
7418 * flow.c (update_life_info): Use it.
7419 (calculate_global_regs_live): Likewise.
7420 (propagate_block): Likewise.
7421 * global.c (build_insn_chain): Likewise.
7422 * haifa-sched.c (schedule_region): Likewise.
7424 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7426 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7427 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7428 (DWARF_ARANGES_PAD_SIZE): New define.
7429 (output_aranges): Use it to pad the address range header.
7430 (DWARF_ROUND): Fix for non power of 2 rounding.
7432 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7434 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7436 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7438 * tree.def (RTL_EXPR): Update documentation.
7439 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7440 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7441 * function.c (preserve_rtl_expr_temp): New function.
7442 (preserve_rtl_expr_temps): Likewise.
7443 (preserve_rtl_expr_result): Use it.
7446 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7448 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7450 * regmove.c (copy_src_to_dest) Do not create src->dest move
7451 for unchanging destination.
7453 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7455 * function.h (struct sequence_stack): Remove rtl_expr.
7456 (struct emit_staus): Likewise.
7457 (seq_rtl_expr): Remove.
7458 * tree.h (free_temps_for_rtl_expr): Don't declare.
7459 (start_sequence_for_rtl_expr): Likewise.
7460 * rtl.h (preserve_rtl_expr_result): Likewise.
7461 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7462 (start_sequence_for_rtl_expr): Remove.
7463 (push_topmost_sequence): Don't save sequence_rtl_expr.
7464 (pop_topmost_sequence): Remove comment about not restoring it.
7465 (end_sequence): Don't set seq_rtl_expr.
7466 (init_emit): Don't initialize it.
7467 (mark_sequence_stack): Don't mark it.
7468 (mark_emit_status): Likewise.
7469 * except.c (protect_with_terminate): Use
7470 start_sequence_for_rtl_expr, not start_sequence.
7471 * expr.c (expand_expr, case RTL_EXPR): Don't call
7472 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7473 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7474 (preserve_rtl_expr_result): Remove.
7475 (free_temps_for_rtl_expr): Likewise.
7476 (pop_temp_slots): Likewise.
7477 (mark_temp_slot): Don't mark the rtl_expr.
7478 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7479 start_sequence_for_rtl_expr.
7481 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7483 * mkdeps.c, mkdeps.h: New files.
7484 * po/POTFILES.in: Add them.
7485 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7486 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7487 (mkdeps.o): New target.
7489 * cppfiles.c: Delete deps_output.
7490 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7491 OBJECT_SUFFIX, and base_name.
7492 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7494 (initialize_dependency_output): Use deps_init,
7495 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7496 all the unnecessary string bashing.
7497 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7499 * cpplib.c (do_include): Use deps_add_dep.
7500 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7501 deps_allocated_size, deps_size, deps_column members with
7502 single pointer to a struct deps. Delete prototype of
7505 * cppinit.c: Fix thinko in previous patch.
7507 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7509 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7510 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7511 (mode_for_size_tree): New function.
7512 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7513 * tree.h (mode_for_size_tree): New declaration.
7515 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7517 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7519 * stmt.c (is_body_block): Move...
7520 * dwarfout.c, dwarf2out.c: ...from here.
7521 * tree.h: Declare it.
7522 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7523 * final.c (final_start_function): Do call remove_unnecessary_notes
7526 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7528 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7530 * cpplib.h (_dollar_ok): New macro.
7531 (is_idchar, is_idstart): Use it.
7532 (IStable): Rename to _cpp_IStable. Declare it const if
7533 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7534 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7535 is_space): Update for renamed IStable.
7537 * cppinit.c: Delete all references to FAKE_CONST and CAT
7538 macros. Define init_IStable as empty macro if gcc >=2.7 or
7539 C99. Change TABLE() to ISTABLE and hardcode name of table.
7540 (cpp_start_read): Don't change the IStable based on
7543 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7544 changed. Handle '$' for char1 correctly.
7545 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7547 * cppexp.c (tokentab2): Make const.
7548 (cpp_lex): Make toktab const.
7549 * cppinit.c (include_defaults_array): Make const.
7550 (initialize_standard_includes): Make default_include const.
7552 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7554 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7555 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7556 (gen_decl_die): Likewise.
7557 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7558 (output_decl): Likewise.
7560 * varasm.c (make_function_rtl): If we change the name used in the
7561 rtl, update DECL_ASSEMBLER_NAME accordingly.
7562 (make_decl_rtl): Likewise.
7564 * toplev.c (rest_of_compilation): Tweak formatting.
7566 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7567 remove_unnecessary_notes.
7568 (debug_ignore_block): New fn.
7569 * toplev.h: Declare it.
7570 * emit-rtl.c (remove_unncessary_notes): Call it.
7571 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7572 * dwarf2out.h: Declare it.
7573 * final.c (final_start_function): Don't call remove_unnecessary_notes
7574 if we did insn scheduling.
7576 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7578 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7579 * cpplib.h: Delete SET_CPP_PEDANTIC.
7581 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7583 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7584 result is a RECORD_TYPE.
7586 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7588 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7590 2000-03-03 Richard Henderson <rth@cygnus.com>
7592 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7593 addition over compliments over shifts.
7595 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7597 * reload1.c (reload_combine_note_use): Handle return register USEs.
7598 REG case: Handle multi-hard-register hard regs.
7600 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7602 * md.texi: Document use of '*' in insn pattern name.
7604 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7606 * calls.c (special_function_p): operator new may not be malloc-like.
7608 * gcse.c (dump_hash_table): Really fix error in last change.
7610 2000-03-02 Denis Chertykov <denisc@overta.ru>
7612 * avr.c (print_operand): Use print_operand_address instead of
7614 * avr/libgcc.S: Cleanup code.
7616 2000-03-02 Richard Henderson <rth@cygnus.com>
7618 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7620 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7622 * tree.h (TYPE_ALIGN_UNIT): New macro.
7624 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7626 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7628 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7630 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7632 (SET_CPP_PEDANTIC): New macro.
7633 * cpplib.c (do_include): Don't bother checking system_header_p.
7634 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7635 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7637 * function.h (struct expr_status): Add x_arg_space_so_far.
7638 (arg_space_so_far): New macro.
7639 * expr.c (init_expr): Initialize it.
7640 * calls.c (emit_call_1): Reset it.
7641 (compute_argument_block_size, expand_call): Use it.
7642 (expand_call, store_one_arg): Increment it.
7644 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7646 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7649 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7651 * cppfiles.c (cpp_read_file): New function.
7653 * cpphash.c (collect_expansion): Make sure to reset last_token
7654 to NORM when we hit a string. Handle trailing whitespace
7655 properly when the expansion is empty.
7656 (create_definition): Disable line commands while parsing the
7658 (dump_definition): If pfile->lineno == 0, output a line
7659 command ahead of the dump, and add a trailing newline.
7661 * cppinit.c (append_include_chain): Add fifth argument, which
7662 indicates whether or not system headers are C++ aware.
7663 (initialize_standard_includes): New function,
7664 broken out of read_and_prescan. Pass 'cxx_aware' value from
7665 the include_defaults_array on to append_include_chain.
7666 (dump_special_to_buffer): Const-ify char array.
7667 (builtin_array): Don't dump __BASE_FILE__.
7668 (cpp_start_read): Use cpp_read_file. Reorder code for
7669 clarity. Don't output line commands here for -D/-A/-U
7670 switches. Don't call deps_output for files included with
7671 -include or -imacros.
7673 * cpplib.c (do_define): Don't pay any attention to the second
7675 (cpp_expand_to_buffer): Disable line commands while scanning.
7676 (output_line_command): Work in the file buffer.
7677 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7678 Fix formatting of comments. Prototype cpp_read_file.
7680 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7682 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7683 reference the language-equivalent of sizetype.
7684 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7685 * fold-const.c (size_binop, size_diffop): Put back checks.
7686 * gcse.c (dump_hash_table): Fix minor error in last change.
7687 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7688 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7691 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7693 * calls.c (expand_call) Do not attempt to combine stack adjustments
7694 with inhibit_defer_pop set.
7696 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7698 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7699 the DECL_SIZE for a FIELD_DECL.
7701 2000-03-01 Bruce Korb <bkorb@gnu.org>
7703 * fixinc/inclhack.tpl: remove unused symlinks
7704 * fixinc/README: GCC Maintainer info
7705 * fixinc/inclhack.sh: regen
7706 * fixinc/fixincl.sh: regen
7708 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7710 * cpphash.c (collect_expansion): Trim trailing white space
7711 from macro definitions, but don't go past the last insertion
7714 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7716 * i386.md (mulqi3): New pattern.
7718 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7720 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7722 (struct cpp_reader): Add parsing_if_directive and
7723 parsing_define_directive flags.
7724 (struct cpp_options): Remove output_conditionals flag.
7725 (check_macro_name): Delete prototype.
7727 * cpphash.h (struct macrodef): Delete.
7728 (struct reflist): Separate from struct definition.
7729 (struct definition): Remove unused fields. Add column number.
7730 (create_definition): Returns a DEFINITION *. Takes a
7731 cpp_reader * and an int.
7733 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7734 (PEEKC): Copy defn from cpplib.c.
7735 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7737 (struct arglist): Simplify.
7738 (collect_expansion): Rewrite. Get tokens by calling
7739 cpp_get_token. Add more error checking.
7740 (collect_formal_parameters): New function, broken out of
7741 create_definition and reworked to use get_directive_token.
7742 (create_definition): All real work is now in collect_expansion
7743 and collect_formal_parameters. do_define handles finding the
7744 macro name. Return a DEFINITION, not a MACRODEF.
7745 (macroexpand): Replace bcopy with memcpy throughout. Replace
7746 character-at-a-time copy loop with memcpy and pointer increments.
7747 (compare-defs): d1->argnames / d2->argnames might be null.
7749 * cpplib.c (copy_rest_of_line): Delete function.
7750 (skip_rest_of_line): Do all the work ourselves.
7751 (skip_string): New function.
7752 (parse_string): Use skip_string.
7753 (get_macro_name): New function.
7754 (check_macro_name): Delete.
7755 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7756 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7757 (handle_directive): ICE if we're called on a macro buffer.
7758 (do_define): Determine macro name and type (funlike/objlike)
7759 here. Expunge all uses of MACRODEF.
7760 (cpp_push_buffer): Set line_base to NULL.
7761 (do_undef, read_line_number): Don't worry about getting a POP token.
7762 (eval_if_expression): Set/reset parsing_if_directive around
7763 cpp_parse_expr. Don't clear only_seen_white.
7764 (skip_if_group): Remove output_conditionals logic. Use
7766 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7767 tokens under appropriate conditions.
7768 (cpp_unassert): Call do_unassert not do_assert. Oops.
7770 * cppexp.c (parse_defined): New function, break out of
7772 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7773 ourselves, with cpp_defined.
7774 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7776 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7777 * gcc.dg/strpaste-2.c: New.
7779 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7781 * fold-const.c (size_binop): Don't asert inputs are the same and
7782 have TYPE_IS_SIZETYPE set.
7783 (size_diffop): Likewise.
7785 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7787 * dwarfout.c (output_block): Output abstract blocks even if they
7788 don't have TREE_ASM_WRITTEN set.
7790 * calls.c (emit_library_call): Check for null REG.
7792 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7794 * c-decl.c (current_function_decl): Move to toplev.c.
7795 (init_decl_processing): Don't add current_function_decl as a ggc
7797 * dbxout.c (dbxout_symbol): Change return type to int.
7798 (dbxout_symbol_location, dbxout_syms): Likewise.
7799 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7800 any locals. Use current_function_func_begin_label if set.
7801 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7802 * dwarf2out.c (dwarf2out_begin_prologue): Set
7803 current_function_func_begin_label.
7804 * final.c (final_start_function): Reset it.
7805 * toplev.c (current_function_decl): Define it here.
7806 (current_function_func_begin_label): New variable.
7807 (main): Add both as ggc roots.
7808 * tree.h (current_function_func_begin_label): Declare.
7810 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7812 * gcse.c: Cleanups throughout: mostly white-space, but also
7813 some minor rearrangement of code.
7815 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7817 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7818 returns a PARALLEL. Use emit_group_load and use_group_regs
7820 (emit_library_call_value): Similarly.
7822 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7823 * pa/quadlib.asm: Remove.
7824 * pa/quadlib.c: New file.
7826 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7827 * configure: Rebuilt.
7829 2000-02-29 Philip Blundell <pb@futuretv.com>
7831 * config/arm/conix-elf.h: New file.
7832 * configure.in (arm*-*-conix*): New configuration.
7833 * configure: Regenerate.
7835 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7837 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7838 don't have TREE_ASM_WRITTEN set.
7840 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7842 * Eliminate DECL_FIELD_SIZE.
7843 * builtins.c (built_in_class_names, built_in_names): New variables.
7844 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7845 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7846 DECL_SIZE, not DECL_FIELD_SIZE.
7847 * print-tree.c (print_node): Remove code that prints extra blank
7848 lines in some cases.
7849 Properly handle inline and builtin function cases.
7850 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7851 * tree.h (built_in_class_named, built_in_names): New declarations.
7852 (union tree_decl): Rename internal unions to u1 and u2 and change
7853 some of their components.
7854 Add new field built_in_class.
7855 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7856 Reflect above changes.
7857 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7858 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7859 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7860 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7862 2000-02-28 Dmitri Makarov <dim@windriver.com>
7864 * extend.texi: Document ARM's support for long/short calls.
7866 * invoke.texi: Document ARM's -mlong-calls command line switch.
7868 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7869 (arm_encode_call_attribute): Add prototype.
7870 (arm_set_default_type_attribute): Add prototype.
7871 (arm_strip_name_encoding): Add prototype.
7873 * config/arm/arm.c (arm_init_cumulative_args): replace
7874 initialisation og 'long_calls' field with initialisation of
7875 'call_cookie' field.
7876 (enum arm_pragma_enum): New enum.
7877 (arm_pragma_long_calls): New static variable.
7878 (arm_process_pragma): Also process "#pragma long_calls_off".
7879 (arm_valid_type_attribute_p): Accept short_call attribute.
7880 (arm_comp_type_attributes): Check long/short call attributes.
7881 (arm_encode_call_attribute): New function: Encode long_call
7882 or short_call attribute in function name.
7883 (arm_set_default_type_attributes): New function: Assign
7884 default attributes to newly defined type.
7885 (current_file_function_operand): New function: Return true if
7886 the symbol is a function which has already been compiled.
7887 (arm_is_longcall_p): New function: Return true if the
7888 indicated function should be called via a long call.
7889 (arm_get_strip_length): New function. Returns number of
7890 prefix characters to be stripped from a function's name.
7891 (arm_strip_name_encoding): New function. Strip prefix characters
7892 from a function's name.
7894 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7896 (SHORT_CALL_FAG_CHAR): Define.
7897 (LONG_CALL_FAG_CHAR): Define.
7898 (ENCODED_SHORT_CALL_ATTR_P): Define.
7899 (ENCODED_LONG_CALL_ATTR_P): Define.
7900 (ARM_NAME_ENCODING_LENGTHS): Define.
7901 (STRIP_NAME_ENCODING): Define.
7902 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7903 (ARM_ENCODE_CALL_TYPE): Define.
7904 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7905 (ARM_DECLARE_FUNCTION_SIZE): Define.
7906 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7908 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7909 if a long call is needed.
7910 (call_value): Ditto.
7911 (call_symbol): Ditto.
7913 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7914 ARM_DECLARE_FUNCTION_SIZE.
7916 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7917 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7918 (ARM_STRIP_NAME_ENCODING): Undefine.
7919 (STRIP_NAME_ENCODING): Undefine.
7920 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7921 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7922 (ASM_OUTPUT_COMMON): Ditto.
7923 (ASM_DECLARE_OBJECT_NAME): Ditto.
7925 * config/arm/pe.c (arm_dllexport_name_p): Check for
7927 (arm_dllimport_name_p): Ditto.
7928 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7929 (arm_mark_dllimport): Ditto.
7931 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7933 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7935 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7937 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7939 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7941 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7942 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7943 NO_BUILTIN_WCHAR_TYPE is not defined.
7944 (CPP_WCHAR_TYPE): Delete.
7945 * cccp.c (main): Don't change wchar_type if cplusplus.
7946 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7948 2000-02-28 Nick Clifton <nickc@cygnus.com>
7950 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7952 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7954 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7955 (ASM_WEAKEN_LABEL): Define.
7957 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7959 * expr.c (store_constructor): Do not emit USE.
7960 * rtl.h (stupid_life_analysis): Remove.
7962 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7964 * function.c (number_blocks): Reset next_block_index based on
7965 what debugging format is used, not what is defined.
7967 * lcm.c: Minor reformatting throughout.
7968 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7970 * toplev.c (rest_of_compilation): Account for time in
7971 optimize_mode_switching.
7973 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7974 if only marking labels.
7976 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7978 * calls.c (expand_call): Attempt to combine stack adjustments with
7979 pending stack adjustments.
7981 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7983 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7984 to the end of the function.
7986 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7988 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7990 * final.c (next_block_index): Remove.
7991 (max_block_depth): Likewise.
7992 (pending_blocks): Likewise.
7993 (init_final): Don't initialize them.
7994 (final_start_function): Don't set next_block_index. Set up
7996 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7997 * function.h (number_blocks): New function.
7998 * function.c (get_block_vector): New function.
7999 (identify_blocks): Use it.
8000 (reorder_blocks): Set NOTE_BLOCK.
8001 (number_blocks): New function.
8002 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
8003 * tree.h (BLOCK_NUMBER): New macro.
8004 (tree_block): Add block_num field.
8005 * dbxout.c (next_block_number): Remove.
8006 (dbxout_init): Don't set it.
8007 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
8008 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
8010 * toplev.c (rest_of_compilation): Always call
8011 find_loop_tree_blocks. Fix indentation.
8012 * dwarf2out.c (next_block_number): Remove.
8013 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8014 to determine block numbers.
8015 (gen_inlined_subroutine_die): Likewise.
8016 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
8017 (decls_for_scope): Don't increment next_block_number.
8018 * dwarfout.c (next_block_number): Remove.
8019 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8020 to determine block numbers.
8021 (output_inlined_subroutine_die): Likewise.
8022 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
8023 (output_decls_for_scope): Don't increment next_block_number.
8024 * sdbout.c (next_block_number): Remove.
8025 (sdbout_block): Use BLOCK_NUMBER.
8026 (sdbout_begin_block): Simplify.
8027 * xcoffout.c (next_block_number): Remove.
8028 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
8029 (xcoffout_begin_block): Don't set next_block_number.
8030 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
8033 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8035 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
8036 (expand_builtin_strcpy): Pass correct type to size_binop.
8037 (expand_builtin_strcmp): Likewise.
8038 Clean up conditional structure.
8039 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
8040 (complete_array_type): Don't use size_binop for MAXINDEX.
8041 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
8042 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
8043 (c_alignof): Use size_one_node.
8044 (build_unary_op): Pass arg of proper type to size_binop.
8045 (really_start_incremental_init, push_init_level): Use sizetype for
8046 constructor{,_bit,_unfilled}_index.
8047 (pop_init_label, output_init_element): Likewise.
8048 (output_pending_init_elements, process_init_element): Likewise.
8049 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
8050 * expr.c (store_expr): Use size_int.
8051 (store_constructor): Use proper types for size_binop args.
8052 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
8053 (expand_expr_unaligned): Likewise.
8054 (string_contant): Return object of sizetype.
8055 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8056 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8057 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8058 * fold-const.c (int_const_binop): Refine when size_int is called.
8059 (fold_convert): Likewise.
8060 (size_int_wide): Rework to take KIND as arg, only take low order
8061 bits, handle new sizetype_tab datatype, and chain entries in
8063 (size_int_type_wide): New function.
8064 (size_binop): Validate types of arguments.
8065 (ssize_binop): Deleted.
8066 (size_diffop): New function.
8067 (extract_muldiv): Only fold division into multiplication for sizetypes.
8068 * function.c (assign_parms): Use size_diffop and make sure
8069 VAR field is of ssizetype; also pass proper type to size_binop.
8070 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8071 (round_down): Deleted from here.
8072 * store-layout.c (sizetype_tab): Now an array.
8073 (sizetype_set, early_root_list): New variables.
8074 (variable_size): Use size_one_node.
8075 (round_up): Pass proper type to size_binop.
8076 (round_down): Moved to here and corrected as above.
8077 (layout_record): Pass proper arg types to size_binop.
8078 (layout_type): Likewise.
8079 If sizetype_set is zero, record the type just laid out.
8080 (make_unsigned_type): Don't call set_sizetype;
8081 (make_signed_type): Likewise; also, call fixup_signed_type.
8082 (initialize_sizetypes): New function.
8083 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8084 set name of bitsizetype to "bit_size_type".
8085 Fix up type of sizes of all types made before call.
8086 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8087 * tree.c (fix_sizetype): Deleted.
8088 (build_common_tree_nodes): Call initialize_sizetypes.
8089 (build_common_tree_nodes_2): Don't call fix_sizetype.
8090 * tree.h (TYPE_IS_SIZETYPE): New macro.
8091 (initialize_sizetype): New declaration.
8092 (enum size_type_kind): New type.
8093 (struct sizetype_tab): Deleted.
8094 (sizetype_tab): Now array; adjust sizetype macros.
8095 (size_diffop, size_int_type_wide): New functions.
8096 (size_int_wide): Change number of args and type; access macros changed.
8097 (ssize_int, sbitsize_int): New macros.
8098 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8099 (ROUND_TYPE_SIZE_UNIT): New macro.
8101 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8103 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8105 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8107 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8108 Mark as possibly unused.
8110 * cse.c (cse_insn): Delete dead code involving tablejump.
8111 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8113 * Makefile.in (libcpp.a): Start by deleting it.
8115 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8117 * cpplib.h (enum file_change_code): Added rename_file.
8118 * cpplib.c (do_line): If a filename is given, set file_change to
8120 (output_line_command): If file_change is rename_file, always
8121 output a # directive with the file name.
8123 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8125 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8127 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8128 when copying a PARM_DECL or RESULT_DECL.
8130 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8132 * fix-header.c (recognized_function): Also fix prototypes for
8133 functions taking "void".
8135 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8137 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8138 looking at reg_reloaded_contents.
8140 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8142 * Makefile.in (STMP_FIXINC): New toggle.
8143 (LIBGCC2_DEPS): Delete all references.
8144 (stmp-headers): Delete target. All references either deleted
8145 or changed to stmp-int-headers.
8146 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8147 (LIBCPP_OBJS): Take out cppalloc.o.
8148 (cppalloc.o): Delete target.
8149 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8150 (gen-protos, fix-header): Link with libiberty.a.
8151 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8154 * configure.in: Remove refs to strerror.
8155 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8156 * system.h: Take out strerror stanza.
8158 * cpperror.c (my_strerror): Delete function.
8159 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8160 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8161 * cppalloc.c: Delete file.
8162 * gen-protos.c: Don't provide xrealloc.
8164 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8165 xstrerror throughout.
8167 2000-02-26 Bruce Korb <bkorb@gnu.org>
8169 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8170 match for DOS headers, too.
8171 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8173 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8175 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8176 is right for most ELF targets.
8177 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8178 Let the default file use %U properly.
8179 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8182 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8185 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8187 * toplev.c (documented_lang_options): Correct spelling error.
8188 (decode_d_option, decode_f_option, main): Likewise.
8190 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8192 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8193 to tell assembler it is permitted to expand large constants.
8195 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8197 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8198 (aux_info_suffix): Use.
8199 (SAVE_SUFFIX): New macro.
8201 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8202 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8203 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8205 * invoke.texi (Running Protoize): Update documentation.
8207 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8209 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8211 2000-02-25 John Wehle (john@feith.com)
8213 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8215 2000-02-25 Anthony Green <green@cygnus.com>
8217 * toplev.c (rest_of_compilation): Rebuild jump labels if
8218 combine_instructions has created a new direct jump.
8219 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8221 (combine_instructions): Call try_combine with new argument.
8222 Return non-null value when new direct jump instruction is created.
8223 * rtl.h: combine_instructions returns an int.
8225 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8227 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8228 jump when changing a computed jump into a jump to a known
8231 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8233 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8234 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8236 * i386.md (define_expand "clrstrsi"): Fix typo.
8238 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8240 * rtl.texi: Fix typo.
8242 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8244 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8245 UNITS_PER_WORD. Change caller initial_elimination_offset.
8246 (rounded_frame_size): Take into account that argument pushed has
8247 changed. Fix TARGET_ALIGN_DOUBLE problem.
8249 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8251 * haifa-sched.c (schedule_block): Explain the real reason
8252 we delete REG_SAVE_NOTEs on the first insn of a block.
8253 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8255 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8257 * input.h (push_srcloc): New function.
8258 (pop_srcloc): Likewise.
8259 * toplev.c (push_srcloc): Define it.
8260 (pop_srcloc): Likewise.
8262 2000-02-24 Richard Henderson <rth@cygnus.com>
8264 * flow.c (life_analysis): When collecting reg info, clear
8267 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8269 Fix bug exposed by reload.c no longer rounding the frame
8270 size to BIGGEST_ALIGNMENT:
8271 * sh.c (rounded_frame_size): New function.
8272 (sh_expand_prologue, sh_expand_epilogue): Use it.
8273 (initial_elimination_offset): Likewise.
8275 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8277 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8278 * sh-protos.h (sh_need_epilogue): Declare.
8279 * sh.c (sh_need_epilogue_known): New static variable.
8280 (sh_need_epilogue): New function.
8281 (function_epilogue): Clear need_epilogue_known.
8282 * sh.md (return): Split into expander / insn pattern.
8283 Make the expander conditional on ! sh_need_epilogue ().
8285 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8287 * machmode.h (get_mode_alignment): Declare.
8288 (GET_MODE_ALIGNMENT): Call it.
8289 * stor-layout.c (get_mode_alignment): New function. Make
8290 sure alignment is always power of 2.
8292 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8294 * i386.h: Remove useless definition of "I386" and misleading
8297 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8299 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8300 under which TREE_PERMANENT will be set.
8301 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8302 build1): Use TREE_SET_PERMANENT.
8303 * print-tree.c (print_node): Don't report value of
8304 TREE_PERMANENT if ggc_p is true.
8306 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8307 decide whether to give a type a new alias set.
8308 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8309 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8310 of value of 'obstack'.
8313 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8315 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8317 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8319 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8320 * cpplib.c (cpp_get_token): Produce them.
8321 * cppexp.c (cpp_lex): Handle them.
8323 2000-02-23 Nick Clifton <nickc@cygnus.com>
8325 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8326 comment tests on type attributes.
8328 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8330 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8331 conform to documentation.
8332 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8333 to check for special cases.
8334 * sh-protos.h (sh_loop_align): Declare.
8335 * sh.c (sh_loop_align): Define.
8337 2000-02-22 Andrew Haley <aph@cygnus.com>
8339 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8340 (SIZE_TYPE): Is 32 bits when using -mgp32.
8341 (PTRDIFF_TYPE): Ditto.
8343 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8345 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8347 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8349 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8350 BIGGEST_FIELD_ALIGNMENT a constant.
8352 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8354 * dwarf2out.c (output_line_info): Put the marker for the end of
8355 the line number info at the actual end.
8356 (gen_struct_or_union_type_die): Use decl_function_context
8357 to check for local classes.
8358 * dwarfout.c (output_type): Likewise.
8360 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8362 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8363 for arguments with a mode, but no type.
8364 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8365 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8366 * pa/long_double.h: New file.
8367 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8368 both have 128bit wide long doubles.
8369 * configure: Rebuilt.
8371 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8373 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8375 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8376 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8377 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8379 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8381 * integrate.c (compare_blocks, find_block): Likewise.
8383 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8385 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8387 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8388 expand_asm_operands): Likewise.
8390 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8392 * predict.c (estimate_probability): Added the pointer heuristic to
8393 the collection of static branch predictors.
8395 2000-02-21 Catherine Moore <clm@cygnus.com>
8397 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8398 * invoke.texi (-mfix7000): Document.
8400 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8402 * diagnostic.c (init_output_buffer): Make it possible to output at
8403 least 32 characters if we're given a too long prefix.
8405 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8407 * varasm.c (initializer_constant_valid_p): Call
8408 lang_expand_constant to simplify the constant.
8410 2000-02-20 Bruce Korb <bkorb@gnu.org>
8412 * fixinc/inclhack.def(stdio_va_list):
8413 typedef needs to be disabled.
8414 * fixinc/inclhack.sh: regen
8415 * fixinc/fixincl.x: regen
8417 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8419 * print-rtl.c (print_rtx): Don't print addresses when
8420 flag_dump_unnumbered.
8422 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8424 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8426 (sparc_va_arg, sparc_flat_output_function_prologue,
8427 sparc_flat_output_function_epilogue): Cast value to unsigned in
8429 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8431 * sparc.md: Add default case in switch.
8433 2000-02-19 Richard Henderson <rth@cygnus.com>
8435 * c-typeck.c (add_pending_init): Don't abort for multiple
8436 fields at the same offset.
8437 (pending_init_member): Test the correct member.
8439 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8441 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8443 (start_catch_handler) : Same.
8445 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8447 * Makefile.in: Have flow.o depend on $(EXPR_H)
8449 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8451 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8452 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8453 (finish_decl): Remove -Wlarger-than code from here.
8454 * flags.h (id_clash_len): Now int.
8455 (larger_than_size): Now HOST_WIDE_INT.
8456 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8457 Clean up checking to see if in table.
8458 (make_bit_field_ref): Remove extra parm to bitsize_int.
8459 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8460 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8461 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8462 and for computing size of decl.
8463 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8464 Move -Wlarger-than code to here.
8465 (layout_record): Remove extra arg to bitsize_int.
8466 Set TYPE_BINFO_SIZE_UNIT.
8467 (layout_union): Remove extra arg to bitsize_int.
8468 Use proper type for size of QUAL_UNION.
8469 (layout_type): Remove extra arg to bitsize_int.
8470 * toplev.c (id_clash_len): Now int.
8471 (larger_than_size): Now HOST_WIDE_INT.
8472 (decode_W_option): Clean up id-clash and larger-than- cases.
8473 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8474 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8475 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8476 (struct tree_decl): New field size_unit.
8477 (size_int_wide): No HIGH operand; NUMBER is now signed.
8478 (size_int_2): Deleted.
8479 (size_int, bitsize_int): Don't use it and rework args.
8480 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8482 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8484 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8486 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8488 * invoke.texi (Warning Options): Add an explanation of why
8489 you might want the -Wfloat-equal flag.
8491 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8493 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8494 * cppinit.c (new_pending_define): Add cast to avoid warning.
8495 * expmed.c (extract_bit_field): Likewise.
8496 * flow.c (enum reorder_skip_type): New type.
8497 (skip_insns_between_blcok): New it.
8498 Rework to avoid warning about possibly undefined variable.
8499 * function.c (assign_parms): Make thisparm_boundary unsigned.
8500 * genrecog.c (write_switch): Cast XWINT result to int.
8501 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8502 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8503 one for MIPS and one for Alpha.
8504 (get_tag, copy_object): Add casts to avoid warnings.
8505 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8506 * reload.c (find_reloads): Make TYPE enum reload_type.
8507 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8508 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8509 * varasm.c (compare_constant_1): Add cast to avoid warning.
8510 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8512 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8513 Cast switch operand of size to int.
8514 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8515 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8518 2000-02-18 Nick Clifton <nickc@cygnus.com>
8520 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8521 anything for an alignment of zero.
8523 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8524 anything for an alignment of zero.
8526 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8528 * gcc.texi (Bug Reporting): Refer to bugs.html.
8529 (Bug Lists): Likewise.
8530 * system.h (GCCBUGURL): New preprocessor define.
8531 * rtl.c (fancy_abort): Use it.
8532 * gcc.c (main): Likewise.
8534 2000-02-18 Richard Henderson <rth@cygnus.com>
8536 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8537 (life_analysis_1): Subsume into ...
8538 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8539 Use update_life_info for the relaxation.
8540 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8541 entry and regs_live_at_setjmp.
8542 (set_noop_p): Simplify.
8543 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8544 (record_volatile_insns): Split into ...
8545 (delete_noop_moves): ... here,
8546 (notice_stack_pointer_modification): ... here,
8547 (insn_dead_p): ... and here.
8548 (propagate_block): Don't query INSN_VOLATILE.
8549 (mark_used_regs): Mind !PROP_REG_INFO.
8550 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8551 not in life_analysis.
8553 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8555 * loop.c (canonicalize_condition): New function,
8556 broken out of get_condition.
8557 (get_condition): Use it.
8558 * expr.h (canonicalize_condition): Prototype it.
8560 * tree.h (tree_int_cst_msb): Declare.
8561 * tree.c (tree_int_cst_msb): New function.
8563 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8565 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8568 * invoke.texi (-fmessage-length=n): Document.
8570 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8572 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8574 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8576 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8579 2000-02-17 Nick Clifton <nickc@cygnus.com>
8581 * config/arm/thumb.c: Replace includes of system headers with
8582 #include "system.h".
8584 2000-02-16 Richard Henderson <rth@cygnus.com>
8586 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8587 Add crtbeginS.o and crtendS.o.
8588 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8589 (ENDFILE_SPEC): Use crtendS.o.
8590 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8592 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8593 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8595 (__dso_handle): New variable.
8596 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8597 bias to __CTOR_END__.
8599 2000-02-16 Richard Henderson <rth@cygnus.com>
8601 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8603 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8605 * longlong.h (__clz_tab): Declare as static to match definition.
8607 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8608 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8609 (XREF_FILE_NAME): Define.
8611 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8612 (EH_FRAME_SECTION_ASM_OP): Define.
8613 (IDENT_ASM_OP): Define.
8614 (TEXT_SECTION_ASM_OP): Define.
8616 (CTORS_SECTION_ASM_OP): Define.
8617 (CTOR_SECTION_FUNCTION): Use it.
8618 (DTORS_SECTION_ASM_OP): Define.
8619 (DTOR_SECTION_FUNCTION): Use it.
8621 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8623 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8626 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8627 debug_bb_n): New functions.
8628 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8629 * basic-block.h: Prototype new functions.
8631 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8633 * configure.in: Add support for avr target.
8634 * configure: Rebuilt.
8636 * invoke.texi: Add AVR invocation docs.
8637 * install.texi: Add information about AVR.
8638 * md.texi: Add AVR constraint letters description.
8639 * extend.texi: Add description for AVR specific attributes.
8641 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8643 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8645 2000-02-16 Nick Clifton <nickc@cygnus.com>
8647 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8648 (make_insn_raw): Move RTL check here.
8650 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8652 * version.c: Include gansidecl.h and version.h.
8654 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8656 * configure.in (gcc_version): When setting, narrow search to
8657 lines containing `version_string'.
8659 * Makefile.in (mainversion): Likewise.
8660 (GCC_H): New variable.
8661 (gcc.h): Delete target.
8662 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8663 (version.o): Depend on version.h.
8664 (dbxout.o): Don't depend on gcc.h.
8666 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8667 Michael Meissner <meissner@cygnus.com>
8669 * md.texi (Simple Constraints): Add item about whitespace.
8670 * genoutput.c (strip_whitespace): New.
8671 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8672 strip_whitespace for constraints.
8673 Test pointer using NULL, not 0.
8675 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8677 * cpplib.c (do_line): Pedwarn for #line > 32767.
8679 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8681 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8683 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8684 to default cpp spec.
8685 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8686 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8689 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8692 2000-02-15 Denis Chertykov <denisc@overta.ru>
8694 * configure.in: Add support for avr target.
8696 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8698 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8699 (sh_addr_diff_vec_mode): Don't declare.
8700 * sh.c (sh_addr_diff_vec_mode): Delete.
8702 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8704 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8706 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8708 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8709 (smulsi3_highpart_i): Name.
8710 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8711 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8712 (smulsi3_highpart, umulsi3_highpart): Likewise.
8714 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8715 correctly independent of endianness.
8716 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8717 confuse the optimizers.
8718 (mulsidi3+1, umulsidi3+1): New define_split.
8720 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8722 * config/sh/sh.md: Guard insn splits against illegal registers.
8723 * config/sh/sh.h: Correct comment about macros.
8725 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8726 Andrew MacLeod <amacleod@cygnus.com>
8728 * Makefile.in (lcm.o): Depend on insn-attr.h.
8729 * basic-block.h (optimize_mode_switching): Declare.
8730 * lcm.c (tm_p.h, insn-attr.h): #include.
8731 (seginfo, bb_info): New structs.
8732 (antic, transp, comp, delete, insert) : New file-scope static variables.
8733 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8734 (reg_becomes_live, optimize_mode_switching): Likewise.
8735 * tm.texi: Add description of mode switching macros.
8736 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8738 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8739 (fldi_ok, fpscr_set_from_mem): New prototypes.
8740 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8741 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8742 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8743 (sh_flag_remove_dead_before_cse): Remove declaration.
8744 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8745 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8746 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8747 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8748 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8749 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8750 (fldi_ok): New function.
8751 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8752 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8753 (emit_df_insn): Likewise.
8754 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8755 (sh_flag_remove_dead_before_cse): Delete.
8756 (get_free_reg, fpscr_set_from_mem): New functions.
8757 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8758 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8760 2000-02-15 Loren Rittle <ljrittle@acm.org>
8762 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8764 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8766 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8767 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8769 * cccp.c: Include version.h and/or don't declare `version_string'.
8770 * collect2.c: Likewise.
8771 * alpha.c: Likewise.
8772 * arm/aof.h: Likewise.
8773 * arm/coff.h: Likewise.
8774 * arm/elf.h: Likewise.
8775 * arm/pe.h: Likewise.
8776 * arm/tcoff.h: Likewise.
8777 * arm/telf.h: Likewise.
8778 * arm/tpe.h: Likewise.
8779 * arm/vxarm.h: Likewise.
8780 * convex/convex.c: Likewise.
8781 * i386/dgux.c: Likewise.
8782 * i386/sun386.h: Likewise.
8783 * m88k/m88k.c: Likewise.
8784 * mcore/mcore-pe.h: Likewise.
8785 * mips/mips.h: Likewise.
8786 * romp/romp.h: Likewise.
8787 * sh/sh.c: Likewise.
8788 * cpphash.c: Likewise.
8789 * cppinit.c: Likewise.
8790 * dwarf2out.c: Likewise.
8791 * dwarfout.c: Likewise.
8794 * mips-tfile.c: Likewise.
8795 * protoize.c: Likewise.
8796 * toplev.c: Likewise.
8799 * version.c (version_string): Constify a char*.
8801 * version.h: New file.
8803 2000-02-14 Nick Clifton <nickc@cygnus.com>
8805 * configure.in: Add mcore-elf and mcore-pe targets.
8806 * configure: Regenerate.
8808 * NEWS: Add note that MCore port has been contributed.
8810 * invoke.texi: Document command line switches for MCore port.
8811 * install.texi: Add MCore to list of supported targets.
8813 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8815 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8816 then we will need to import the frame handling functions.
8817 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8818 to import the frames themselves.
8820 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8821 Jason Eckhardt <jle@cygnus.com>
8823 * basic_block.h: Added prototype for reorder_basic_blocks.
8824 * toplev.c: Changes to add -freorder-blocks and graph dump after
8825 block reordering is done.
8826 * flow.c (reorder_block_def): New structure for use during block
8828 (REORDER_BLOCK_*): New macros to access members of above structure.
8829 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8830 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8831 functions for block reordering.
8833 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8835 * gcc.texi (Passes): Fix typo.
8836 * md.texi (Standard Names): Ditto.
8837 * tm.texi (Storage Layout): Ditto.
8839 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8841 * cpplib.c (do_define): Only free the old definition if it
8844 2000-02-13 Neil Booth <NeilB@earthling.net>
8846 * cppfiles.c (read_and_prescan): When emitting deferred
8847 newlines, test speccase[] again instead of checking each
8848 possible whitespace character in turn. When we encounter \r,
8849 look behind for \n first, then ahead.
8851 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8853 * cse.c (cse_altered): New internal flag.
8854 (cse_insn): Set it if we changed an insn.
8855 (cse_main): Clear cse_altered before each basic block.
8856 Only garbage collect if cse_altered is true afterward.
8858 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8860 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8862 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8864 * combine.c (simplify_comparison): Fix typo.
8866 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8868 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8871 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8873 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8874 previously inserted node instead of root node. Caller changed.
8876 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8878 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8880 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8882 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8883 __dereg_frame_dtor): Add prototype argument.
8885 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8887 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8889 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8891 * gthr-vxworks.h (__gthread_once): Likewise.
8893 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8895 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8897 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8898 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8899 stack pointer in functions w/o saved registers, output LEAVE more often
8900 on TARGET_USE_LEAVE machines.
8902 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8904 * config/arm/arm.c (arm_init_cumulative_args); New function:
8905 Initlaise the CUMULATIE_ARGS strcuture for a function
8907 (arm_function_arg): New function: Determine where to place a
8908 function's argument. Also handles deciding the function's
8910 (current_file_function_operand): New function: Return true if
8911 the symbol is a function which has already been compiled.
8912 (arm_is_long_call_p): New function: Return true if the
8913 indicated function should be called via a long call.
8914 (arm_valid_type_attribute_p): New function: Return true if the
8915 attribute is a valid, arm specific, attribute.
8916 (arm_comp_type_attribute): New function: Return true if the
8917 two types have compatable, arm specific, attributes.
8919 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8921 (FUNCTION_ARG): Redefine to call arm_function_arg.
8922 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8924 (INIT_CUMULATIVE_ARGS): Redefine to call
8925 arm_init_cumulative_args.
8926 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8928 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8930 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8932 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8933 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8934 (COMP_TYPE_ATTRIBUTES): Define.
8936 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8937 if a long call is needed.
8938 (call_value): Call arm_is_long_call_p to decide if a long call
8940 (call_symbol): Call arm_is_long_call_p to decide if a long call
8943 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8945 2000-02-11 Denis Chertykov <denisc@overta.ru>
8947 * README.AVR: New file with information about the avr ports.
8948 * config/avr: New directory with avr port files.
8950 2000-02-11 Andreas Jaeger <aj@suse.de>
8952 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8954 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8956 * cpphash.c: Fix formatting, update commentary.
8957 (dump_definition): Take three separate arguments instead of a
8958 MACRODEF structure argument.
8959 * cpphash.h: Update prototype of dump_definition.
8960 * cppinit.c (cpp_finish): Update call of dump_definition.
8962 * cpplib.c (do_define): Always create new hash entry with
8963 T_MACRO type. Remove redundant check for redefinition of
8964 poisoned identifier. Update call of dump_definition.
8965 (do_undef): Don't call check_macro_name. Rename sym_length to
8967 (do_error, do_warning): Don't use copy_rest_of_line or
8969 (do_warning): Don't use pedwarn for the actual warning,
8970 only the notice about its not being in the standard. (Fixes
8971 bug with #warning in system headers.)
8972 (do_ident): Stricter argument checking - accept only a single
8973 string after #ident. Also, macro-expand the line.
8974 (do_xifdef): Use cpp_defined. De-obfuscate.
8976 (do_pragma): Split out specific pragma handling to separate
8977 functions. Use get_directive_token. Update commentary. Do
8978 not pass on #pragma once or #pragma poison to the front end.
8979 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8980 do_pragma_default): New.
8982 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8984 * jump.c (jump_optimize_1): The first operand in a relational
8986 * optabs.c (emit_conditional_move): Handle relationals which
8987 have a known true/false result.
8989 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8991 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8992 a RETURN insn into a block which already ends with a jump.
8994 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8996 * haifa-sched.c (BUF_LEN): Increase a lot.
8998 2000-02-11 Nick Clifton <nickc@cygnus.com>
9000 * configure.in: Add tm_p_file specification for thumb targets.
9001 * configure: Regenerate.
9003 * config/arm/thumb-protos.h: New file: Prototypes for exported
9004 functions defined in thumb.c.
9006 2000-02-11 Robert Lipe <robertl@sco.com>
9008 * Makefile.in (bootstrap-lean): Remove additional files.
9009 (bootstrap2-lean): Likewise.
9010 (VOL_FILES): List of files for above.
9012 2000-02-11 Nathan Sidwell <nathan@acm.org>
9014 * cpphash.c (special_symbol): Remove spurious argument to
9017 2000-02-11 Joel Sherrill (joel@OARcorp.com>
9019 * configure.in: (i*86-*-rtems*): Swapped elf and coff
9021 * configure: Rebuilt.
9023 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
9025 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
9027 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
9029 * pa.c, pa.h: Remove trigraph sequences within comments.
9031 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
9033 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
9035 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
9037 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9039 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9041 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
9043 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9045 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
9046 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
9047 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
9048 (ASM_FILE_END): Use c4x_file_end.
9049 * config/c4x/c4x.c (c4x_global_label): New function.
9050 (c4x_external_ref, c4x_file_end): Likewise.
9052 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
9053 (c4x_external_ref, c4x_end_file): Likewise.
9055 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9057 * cppexp.c: Don't include cpphash.h.
9058 (parse_charconst, cpp_lex): Use cpp_defined.
9059 (cpp_lex): Use get_directive_token throughout. Remove
9060 unnecessary cases from switch. Move assertion-handling code
9062 (cpp_parse_expr): If we see '+' or '-', check the context to
9063 determine if they are unary or binary operators. Streamline
9064 the jumps a bit. Do not call skip_rest_of_line.
9066 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9067 static. Export get_directive_token. Update commentary.
9068 (cpp_defined): New function.
9069 (do_define): Remove reference to T_PCSTRING. Call
9070 free_definition to release memory for old definition, when
9072 (eval_if_expression): Set only_seen_white to 0 before calling
9073 cpp_parse_expr. Call skip_rest_of_line after it returns.
9074 (cpp_read_check_assertion): Don't preserve a pointer into the
9075 token buffer across a call to cpp_get_token.
9077 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9078 * cppfiles.c (redundant_include_p): Use cpp_defined.
9079 * cpphash.c (free_definition): New function.
9080 (delete_macro): Use it. Update commentary.
9081 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9083 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9084 from enum node_type. Prototype cpp_defined and get_directive_token.
9085 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9087 * fix-header.c (check_macro_names): Use cpp_defined.
9088 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9089 the options structure.
9091 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9093 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9095 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9097 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9098 rather than die->die_tag.
9100 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9102 * combine.c (make_extraction, force_to_mode): Avoid warning on
9103 mixed-signedness conditionals.
9104 (make_field_assignment, nonzero_bits): Likewise.
9105 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9106 (store_split_bit_field, extract_split_bit_field): Likewise.
9107 (extract_fixed_bit_field, store_bit_field,
9108 * expr.c: Change alignment to be unsigned everywhere.
9109 (move_by_pieces, store_constructor_field, store_constructor):
9110 Alignment parm is unsigned.
9111 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9112 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9113 (do_compare_rtx_and_jump): Likewise.
9114 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9115 Compare align with GET_MODE_ALIGNMENT.
9116 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9117 (get_inner_reference): Likewise.
9118 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9119 (expand_assignment): Local vars for alignment now unsigned.
9120 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9121 (do_compare_and_jump): Likewise.
9122 (store_field): Call new function expr_align.
9123 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9124 Alignment arg now unsigned.
9125 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9126 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9127 (extract_bit_field): Likewise.
9128 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9129 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9130 (get_best_mode): Alignment arg is unsigned.
9131 * rtl.h (move_by_pieces): Likewise.
9132 * store-layout.c (maximum_field_alignment, set_alignment):
9134 (layout_decl): Alignment arg is now unsigned.
9135 Remove unneeded casts.
9136 (layout_record, layout_union, layout_type): Remove unneeded casts.
9137 Local alignment variables now unsigned.
9138 (get_best_mode): Alignment arg now unsigned.
9139 * tree.c (expr_align): New function.
9140 * tree.h (expr_align): Likewise.
9141 (maximum_field_alignment, set_alignment): Now unsigned.
9142 (get_inner_reference): Alignment argument is now pointer to unsigned.
9143 * varasm.c (assemble_variable): Add cast to eliminate warning.
9145 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9147 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9148 then store directly into op0.
9150 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9151 the CALL_INSN, and emit the note immediately after it.
9153 2000-02-10 Nick Clifton <nickc@cygnus.com>
9155 * config/arm/thumb.md (epilogue): Include a (return) in the
9156 generated insn, and emit it using emit_jump_insn not
9159 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9161 * function.c (assign_temp): Change zero-sized arrays to size 1.
9162 * integrate.c (expand_inline_function): Do not update
9163 stack_alignment_needed
9164 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9165 add some sanity checking, remove optimization for function with
9168 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9170 * flow.c (mark_regs_live_at_end): Delete unused variables.
9172 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9174 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9175 in macro FRAME_GROWS_DOWNWARD.
9177 * stmt.c (expand_end_bindings): Delete unused variable.
9179 * unroll.c (iteration_info): Mark parameter `loop' with
9182 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9184 * fixinc/server.c (load_data): Return NULL if the marker line is
9186 (run_shell): If load_data returns NULL, retry the command once, in
9189 * configure: Rebuilt.
9191 2000-02-09 Bruce Korb <bkorb@gnu.org>
9193 * gcc/fixincludes: ** DELETED **
9194 * gcc/fixcpp: ** DELETED **
9195 * gcc/fixinc-nt.sed: ** DELETED **
9196 * gcc/just-fixinc: ** DELETED **
9197 * gcc/Makefile.in: Removed out-dated commentary
9198 * gcc/configure.in: Removed fast-fixincludes disablement.
9199 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9201 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9202 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9205 2000-02-09 Richard Henderson <rth@cygnus.com>
9207 * jump.c (delete_insn): Don't delete user labels at -O0.
9209 2000-02-09 Robert Lipe <robertl@sco.com>
9211 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9212 Don't link with HOST_LIBS.
9214 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9216 * configure.in: Correct --help text for --with-dwarf2.
9217 Put tm-dwarf2.h after other tm files, if it's requested.
9218 * configure: Regenerate.
9219 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9222 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9224 * cpplib.h: Provide HASHNODE typedef and forward decl of
9225 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9226 DEFINITION, struct hashnode, struct macrodef, struct
9227 definition, scan_decls prototype, default defn of
9228 INCLUDE_LEN_FUDGE moved elsewhere.
9230 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9231 definition, and struct hashnode moved here. Remove the unused
9232 'predefined' field from struct definition. Replace the 'args'
9233 union with its sole member. All users updated (cpphash.c).
9234 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9235 multiple include guard.
9237 * cpphash.c (hashf): Make static; use better algorithm; drop
9238 HASHSIZE parameter; return an unsigned int.
9239 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9240 used. Calculate HASHSIZE modulus here.
9241 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9243 (create_definition): Drop PREDEFINITION parameter.
9244 * cpplib.c (do_define): Don't calculate a hash value here.
9245 Don't pass (keyword == NULL) to create_definition.
9247 * scan.h: Prototype scan_decls here.
9248 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9249 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9250 callers of cpp_lookup and cpp_install updated.
9252 * cpphash.c (macarg): Hoist all the flag diddling out of the
9254 (macroexpand): ... and out of the loop that calls macarg.
9255 Skip over the initial paren before macro arguments with
9256 cpp_get_non_space_token; point may be some distance before
9257 that paren. Abort if it's not there.
9259 * cpplib.c (parse_clear_mark): Delete function.
9260 (parse_set_mark, parse_goto_mark): Make static.
9261 (ACTIVE_MARK_P): New macro.
9262 (skip_block_comment, skip_line_comment): Do not bump the line
9263 if ACTIVE_MARK_P is true.
9264 (cpp_pop_buffer): The buffer to be popped may not have an
9266 (cpp_get_token): When looking for the initial paren before
9267 macro arguments, only set a mark in a file buffer, Always
9268 return to that mark before proceeding to call macroexpand or
9269 return a NAME token.
9271 * cpplib.h: Remove prototypes of parse_set_mark,
9272 parse_clear_mark, parse_goto_mark.
9273 (struct cpp_options): Rename 'put_out_comments' to
9274 'discard_comments' and invert its sense.
9275 * cppinit.c, cpphash.c, cpplib.c: All users of
9276 put_out_comments changed to use discard_comments, with
9279 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9281 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9282 the edge from a block that both jumps and falls through to the
9285 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9287 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9288 constant source address is legitimate.
9290 2000-02-09 Philip Blundell <pb@futuretv.com>
9292 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9295 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9297 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9299 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9301 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9302 ends with a newline and a NUL. Don't be so clever manipulating
9305 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9307 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9308 not to BIGGEST_ALIGNMENT.
9310 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9312 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9313 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9314 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9315 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9316 * frame.c (execute_cfa_insn): Handle
9317 DW_CFA_GNU_negative_offset_extended.
9319 2000-02-08 Richard Henderson <rth@cygnus.com>
9321 * flow.c (tidy_fallthru_edges): Split out from ...
9322 (delete_unreachable_blocks): ... here.
9323 (find_basic_blocks): Use it.
9325 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9327 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9329 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9331 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9332 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9333 (fix-header.o): Don't depend on cpphash.h.
9335 * scan.c (hashstr): New function.
9336 * scan.h: Prototype it.
9337 * fix-header.c: Don't include cpphash.h. Use hashstr.
9338 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9339 hashstr. Report hash table statistics. Add private
9340 definition of xrealloc.
9342 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9344 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9346 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9348 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9349 jumps with returns unless they are jumps to the fallthru block.
9351 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9353 * i386.md (addqi3_cc): Fix contraints.
9355 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9357 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9359 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9361 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9362 carriage return after a macro name.
9364 2000-02-07 Fred Fish <fnf@be.com>
9366 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9367 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9369 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9371 * cppfiles.c (deps_output): Count spacers in deps_column.
9373 2000-02-07 Neil Booth <NeilB@earthling.net>
9375 * cppinit.c (initialize_dependency_output): If there is no
9376 suffix, don't try to look for known suffixes. Use strrchr.
9377 (cpp_start_read): Remove duplicate initialization.
9379 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9381 * calls.c (compute_argument_block_size): New argument
9382 preferred_stack_boundary.
9383 (expand_call): update cfun->preferred_stack_boundary, update call of
9384 compute_argument_block_size
9385 (emit_library_call): Increate cfun->preferred_stack_boundary
9386 to PREFERRED_STACK_BOUNDARY
9387 (emit_library_call_value): Likewise.
9388 * explow.c (allocate_dynamic_stack_spave): Likewise.
9389 * function.c (prepare_function_start): Set
9390 cfun->preferred_stack_boundary
9391 * function.h (struct function): Add preferred_stack_boundary field.
9392 * integrate.c (expand_inline_function): Update
9393 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9394 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9395 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9397 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9399 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9400 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9401 cpp_pedwarn, cpp_pedwarn_with_line,
9402 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9403 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9404 v_cpp_error_with_line, v_cpp_warning_with_line,
9405 cpp_message_from_errno, cpp_perror_with_name): Delete.
9407 * cpperror.c (cpp_print_containing_files): Take starting
9409 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9410 (v_cpp_message): Now called directly by all entry points.
9412 (cpp_pfatal_with_name, cpp_message): Delete.
9413 (cpp_notice_from_errno, cpp_ice): New functions.
9414 (cpp_notice): Is now for reporting error conditions, just
9415 without an associated file.
9416 (cpp_error, cpp_error_with_line): Don't do anything if
9417 opts->inhibit_errors is on.
9418 (cpp_pedwarn_with_file_and_line): Take column argument also.
9420 * cpplib.h: Update prototypes of exported functions.
9421 (struct cpp_options): Add inhibit_errors.
9423 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9424 non-error messages. Include intl.h.
9426 * cppinit.c, cppmain.c: Likewise. Also, use
9427 cpp_notice_from_errno instead of cpp_perror_with_name or
9428 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9430 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9431 report internal errors.
9433 * cpplib.c (do_define): Switch bcopy to memcpy.
9434 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9436 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9437 bail out early if we hit a line comment.
9439 2000-02-06 Richard Henderson <rth@cygnus.com>
9441 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9442 * basic-block.h: Declare them.
9443 * emit-rtl.h (active_insn_p): New.
9444 (next_active_insn, prev_active_insn): Use it.
9445 * rtl.h: Declare it.
9446 * function.c (emit_return_into_block): New.
9447 (thread_prologue_and_epilogue_insns): Insert return insns instead
9448 of epilogues when possible.
9449 * jump.c (jump_optimize_1): Remove code to insert a return insn
9450 on the fallthru to the exit block.
9452 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9453 and for non-empty stack frames.
9454 * i386.md (return): Expand to return-pop as needed.
9456 2000-02-06 Richard Henderson <rth@cygnus.com>
9458 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9459 constant to op1 for testing.
9461 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9463 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9464 (fixuns_truncqfqi2): Use it.
9466 2000-02-06 Richard Henderson <rth@cygnus.com>
9468 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9471 * i386.md (widening and peepholes): Mask the constant instead of
9474 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9476 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9477 input pointer before possibly branching off to the backslash
9479 * cpphash.c (macroexpand): Correctly delete \r escapes when
9480 stringifying parameters.
9481 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9482 if we can; bail out early if we hit a line comment.
9483 (handle_directive): Treat '# 123' in an .S file just like
9484 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9485 Return 1 for '# not_a_directive'.
9486 (get_directive_token): Pop macro buffers here, so that
9487 cpp_get_token can't sneakily move past a newline.
9489 (cpp_get_token): goto randomchar if handle_directive returns 0.
9491 * cppalloc.c: Update copyright.
9492 * cpplib.c: Merge all the static function prototypes into one
9494 * cpplib.h: Remove #if 0 block.
9496 * cpperror.c: Remove #ifdef EMACS block.
9497 * cppmain.c: Likewise.
9498 * cpphash.c: Remove #if 0 blocks.
9499 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9500 * cpplib.c: Remove #if 0 blocks and code referencing
9501 pcp_inside_if or for_lint. Remove duplicate error message.
9502 Fix error messages for #else after #else or #elif. Reformat.
9503 Remove archaic TODO list.
9504 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9506 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9508 * i386/osf1elf.h: Add missing backslash to multiline string.
9510 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9512 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9514 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9516 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9518 * c-common.c: Include expr.h.
9520 * c-pragma.c (mark_align_stack): Add prototype.
9522 * caller-save.c (add_stored_regs): Likewise.
9524 * combine.c (record_promoted_value): Likewise.
9526 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9529 * cppinit.c (new_pending_define): Likewise.
9531 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9533 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9534 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9535 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9536 class_scope_p): Likewise.
9538 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9539 dwarf2out_add_library_unit_info): Likewise.
9541 * ggc.h (ggc_page_print_statistics): Likewise.
9543 * haifa-sched.c (propagate_deps): Likewise.
9545 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9547 * rtl.h (set_stack_check_libfunc): Likewise.
9549 * toplev.h (set_fatal_function): Likewise.
9551 * toplev.c (set_fatal_function): Delete prototype.
9553 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9555 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9557 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9558 (FUNC_END): Likewise.
9560 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9562 * caller-save.c: Include tm_p.h.
9564 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9566 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9568 2000-02-04 Neil Booth <NeilB@earthling.net>
9570 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9573 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9575 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9576 * genflags.c: Use the max_operand_1 logic from genemit.c to
9577 calculate how many arguments gen_insn prototypes have. Remove
9578 NO_MD_PROTOTYPES ifdefs from the generated file.
9579 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9580 file. Cast gen_insn initializers to insn_gen_fn.
9581 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9582 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9584 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9586 * fixinc/Makefile.in (HDR): Add machname.h.
9589 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9591 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9592 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9593 (c4x_cpu_version): Ditto.
9594 * config/c4x/c4x-protos.h: ... here.
9596 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9598 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9599 gen_abstract_function on our context if we're a nested function.
9601 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9603 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9604 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9606 2000-02-04 Bruce Korb <bkorb@gnu.org>
9608 * fixinc/genfixes(machname.h):
9609 Move the functionality from gen-machine.h into this file.
9610 UNdef MN_NAME_PAT if there are no names to change.
9611 Also, be a little kinder when AutoGen is not present.
9613 * fixinc/Makefile.in(machname.h):
9614 Change the generation rule to use genfixes.
9616 * fixinc/fixfixes.c(machine_name):
9617 machine_name_fix's functionality now dependent upon whether
9618 MN_NAME_PAT is defined.
9620 * fixinc/fixtests.c(machine_name):
9623 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9626 * fixinc/fixlib.h(mn_get_regexps):
9629 * fixinc/gen-machine.h: DELETED
9631 2000-02-04 Jan Hubicka <jh@suse.cz>
9632 Richard Henderson <rth@cygnus.com>
9634 * i386.c (SAVE_REGS_FIRST): Remove.
9635 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9636 (ix86_compute_frame_size): Likewise.
9637 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9638 (ix86_emit_restore_regs): Remove.
9639 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9640 when a frame pointer is in use.
9641 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9642 instead of pop to restore a register when profitable; emit leave
9644 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9646 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9647 * i386.md (prologue_allocate_stack): Remove.
9648 (epilogue_deallocate_stack): Remove.
9649 (pro_epilogue_adjust_stack): New.
9651 2000-02-04 Richard Henderson <rth@cygnus.com>
9653 * function.c (diddle_return_value): Rework to use a callback function.
9654 Use current_function_return_rtx if it's been set up.
9655 (do_clobber_return_reg, clobber_return_register): New.
9656 (do_use_return_reg, use_return_register): New.
9657 (expand_function_end): Use them.
9658 * stmt.c (expand_null_return): Likewise.
9659 * function.h: Declare them.
9660 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9661 (mark_reg): Change arguments as appropriate for callback.
9662 * integrate.c (expand_inline_function): Revert 19 Jan change.
9664 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9666 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9667 (Misc): Say the scheduler, not the Haifa scheduler.
9669 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9671 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9672 when in_mem is set. Update all callers.
9674 2000-02-04 Richard Henderson <rth@cygnus.com>
9676 * i386/openbsd.h (INT_ASM_OP): Define.
9678 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9680 * tm.texi: Fix various typos.
9682 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9684 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9685 (MD_STARTFILE_PREFIX_1): New macro.
9687 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9689 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9690 destination when needed.
9691 (strmovsi, strsetsi): New expander.
9692 (strmovsi_1, strsetsi_1): New pattern.
9693 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9694 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9695 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9696 * invoke.texi (align-stringops, inline-all-stringops): Document.
9698 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9700 * i386/netbsd.h (INT_ASM_OP): Define.
9702 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9704 * cpplib.h (cpp_reader): Add new flag, no_directives.
9705 * cpphash.c (macarg): Set it.
9706 * cpplib.c (handle_directive): If no_directives is on and we
9707 find a directive, issue an error and discard the line.
9709 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9711 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9712 FP constants. Add ! TARGET_FPU check for FP constants.
9714 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9716 * flow.c (find_basic_blocks): Don't kill label_value_list
9718 (cleanup_cfg): Kill it here.
9720 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9722 * expr.c (store_field): Ensure ALIGN is no stricter than the
9725 2000-02-02 Richard Henderson <rth@cygnus.com>
9727 * jump.c (delete_insn): Partially revert 19 Jan change;
9728 don't convert unused code labels to notes at -O0.
9730 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9732 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9733 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9735 2000-02-01 Richard Henderson <rth@cygnus.com>
9737 * i386.c (general_no_elim_operand): New.
9738 (nonmemory_no_elim_operand): New.
9739 (ix86_expand_move): Copy eliminable operands before a push.
9740 * i386-protos.h: Declare new functions.
9741 * i386.h (CAN_ELIMINATE): Simplify.
9742 (PREDICATE_CODES): Update.
9743 * i386.md (push insns): Don't allow eliminable register operands.
9745 2000-02-01 Richard Henderson <rth@cygnus.com>
9747 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9748 replace BLKmode with DECL_RTL's mode.
9750 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9752 * frame.c (find_fde): Convert for loop to do-while so compiler
9753 sees it's always executed at least once.
9754 * libgcc2.c (BBINBUFSIZE): Kill.
9755 (__bb_init_prg): Use fgets.
9756 (__bb_exit_trace_func): Don't paste strings.
9757 * unroll.c (unroll_loop): Initialize unroll_type, not
9758 unroll_number, and tweak logic to match.
9760 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9762 (ix86_flags_dependant): Likewise. Disentangle control flow.
9763 (ix86_sched_reorder): Break guts out to
9764 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9765 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9768 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9769 use string concatenation. Don't save and restore esi.
9771 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9772 (machname.h): Remove script to separate file. Use two-step
9773 sequence so target is not created if script fails.
9774 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9775 identifiers are defined.
9776 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9777 an empty string, machine_name doesn't need to do anything at
9779 (is_cxx_header): Add more cases to regexp.
9780 * fixinc/fixlib.h: Update prototype.
9781 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9783 * fixinc/fixincl.c: Define NO_BOGOSITY.
9785 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9786 (hp_sysfile): Add missing comma.
9787 (math_exception): Put the wrapper ifdefs at the beginning and
9788 the end of the file.
9789 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9791 2000-02-01 Richard Henderson <rth@cygnus.com>
9793 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9794 Use CONST0_RTX. Update all callers.
9795 * sparc.h, sparc-protos.h: Update accordingly.
9796 * sparc.md (fp mov insns): Use fp_zero_operand directly
9799 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9801 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9804 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9806 * Makefile.in (specs.ready): New target.
9807 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9809 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9811 * fixinc.irix: Use unique filenames for writing into /tmp,
9812 * fixinc.ptx: Likewise.
9813 * fixinc.sco: Likewise.
9814 * fixinc.svr4: Likewise.
9815 * fixinc.winnt: Likewise.
9817 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9819 * tsystem.h: New file.
9821 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9822 s-crtS): Depend on tsystem.h.
9824 * crtstuff.c: Include tsystem.h.
9825 * frame.c: Likewise.
9826 * libgcc2.c: Likewise.
9828 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9830 * builtins.c (expand_builtin_memset): Expand for variable sized
9833 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9835 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9838 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9840 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9842 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9844 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9846 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9847 case 3->2 combining (combining with splitting) in which 2 is CC0
9848 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9849 checked at the begining of the function with the aid of calling
9850 function 'can_combine_p'.
9852 2000-01-31 Dave Brolley <brolley@redhat.com>
9854 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9856 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9858 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9861 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9863 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9865 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9868 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9870 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9871 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9872 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9873 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9874 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9875 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9876 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9877 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9878 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9879 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9881 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9882 Add %(cpp_cpu) to CPP_SPEC.
9884 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9885 Add %(cc1_cpu) to CC1_SPEC.
9887 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9889 * c-decl.c (c_decode_option): Accept optional numeric argument to
9890 -Wformat and set warn_format.
9891 * c-common.c: Don't emit warning about non-constant printf format
9892 string unless warn_format > 1.
9894 2000-01-30 Richard Henderson <rth@cygnus.com>
9896 * alpha.md (return_internal): Allow after reload only.
9898 2000-01-30 Richard Henderson <rth@cygnus.com>
9900 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9901 local frame size is zero.
9903 2000-01-30 Richard Henderson <rth@cygnus.com>
9905 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9906 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9907 * alpha.md (return): Turn into an expander.
9908 (return_internal): Don't use $26.
9909 (epilogue): Emit the return insn.
9911 2000-01-30 Richard Henderson <rth@cygnus.com>
9913 * alpha.md (negtf2, abstf2): Fix word order thinko.
9915 (trunctfsf2): Avoid intermediate rounding errors.
9917 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9919 * cppfiles.c (find_position): Drop 'colp' argument, return the
9921 (read_and_prescan): Adjust to match. Don't ever manipulate
9922 line or line_base except via find_position.
9924 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9926 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9927 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9930 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9932 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9933 just print "<command line>". If 'filename' is null or an
9934 empty string, print "<stdin>" for the filename.
9935 * cpplib.c (do_define): Don't print the 'location of the
9936 previous definition' message if we're still parsing the
9938 (cpp_pedwarn_with_file_and_line): Always call
9939 cpp_file_line_for_message.
9941 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9943 * flow.c (mark_regs_live_at_end): Fix typo.
9945 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9947 * c-common.c: Adjust variable names, comments, help strings to c99.
9948 * c-lex.c: Likewise.
9949 * c-parse.y: Likewise.
9950 * c-tree.h: Likewise.
9952 * cpplib.h: Likewise.
9953 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9954 * cppinit.c: Likewise.
9956 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9958 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9959 * c4x.c: Define the optab rtx values.
9960 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9961 (c4x_emit_libcall): Use new optab rtx values.
9962 (c4x_emit_libcall3): Likewise.
9963 (c4x_emit_libcall_mulhi): Likewise.
9964 * c4x-protos.h: Add prototypes for optab rtx values and change
9965 prototypes for above c4x_emit_libcall functions.
9967 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9969 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9971 (c4x_function_prologue): Use regnames intead of float_reg_names when
9973 (c4x_function_epilogue): Likewise.
9974 (c4x_print_operand): Likewise.
9975 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9976 * c4x.md (set_high): Disable for TARGET_TI.
9978 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9980 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9981 of framepointer + constant to ADDR_REGS class.
9982 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9983 * c4x.c (std_or_reg_operand): New function.
9984 * c4x-protos.h (std_or_reg_operand): Prototype it.
9986 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9988 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9989 object names as libgcc2.c.
9990 * libgcc.S: Use newly defined names.
9992 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9993 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9995 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9996 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9997 (FLOW_LOOP_LAST_BLOCK): Likewise.
9999 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10001 * basic-block.h (struct loop): New fields 'first' and 'last'.
10002 * flow.c (flow_loops_find): Compute loop->first and loop->last.
10003 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
10004 and loop->last to check for NOTE_INSN_LOOP_END.
10006 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
10008 * predict.c (estimate_probability): Use the new FIRST and LAST fields
10009 of the loop descriptor rather than HEADER and LATCH. Also added
10010 missing break statements as well making some coding style modifications
10011 as suggested by Michael Hayes.
10013 2000-01-28 Richard Henderson <rth@cygnus.com>
10015 * flow.c (find_basic_blocks): Remove do_cleanup argument.
10016 Break out that code ...
10017 (cleanup_cfg): ... here.
10018 (commit_one_edge_insertion): Detect a return instruction being
10019 emitted to an edge. Emit a barrier following; clear fallthru.
10020 (commit_edge_insertions): Verify CFG consistency.
10021 * function.c (expand_function_start): Kill unused variable.
10022 (expand_function_end): Likewise.
10023 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
10024 to insert the epilogue.
10026 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
10027 (delete_null_pointer_checks): Likewise.
10028 * output.h: Likewise.
10029 * reg-stack.c (reg_to_stack): Likewise.
10030 * toplev.c (rest_of_compilation): Likewise. Run
10031 thread_prologue_and_epilogue_insns after rebuilding the CFG.
10033 2000-01-28 Richard Henderson <rth@cygnus.com>
10035 * Makefile.in (flow.o): Revert 24 Jan change.
10036 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
10037 FUNCTION_VALUE result to DECL_RESULT's mode.
10039 * haifa-sched.c (schedule_insns): Don't recompute reg info
10042 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
10044 * configure.in: Make --enable-cpplib the default.
10045 * configure: Regenerate.
10046 * gcc.dg/990119-1.c: No longer expected to fail.
10048 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
10050 * jump.c (jump_optimize_1): Delete an optimization that is also done
10051 by merge_blocks in flow.
10053 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10055 * diagnostic.c (build_message_string, output_printf,
10056 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10057 (build_location_prefix): Fix non-literal format string.
10059 2000-01-27 Richard Henderson <rth@cygnus.com>
10061 * alpha.md (trunctfsf2): New.
10063 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10065 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10067 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10069 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10071 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10073 (skip_comment) ... here. Permit C++ comments in system
10074 headers always. Warn about C++ comments in user code under
10075 -std=gnu89 -pedantic.
10076 (copy_comment): Use skip_comment.
10077 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10079 (consider_directive_while_skipping, do_else, do_endif): Call
10080 validate_else unconditionally.
10081 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10082 text after the conditional in a system header.
10083 * cpplib.h (struct cpp_buffer): Add flag
10084 warned_cplusplus_comments.
10086 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10088 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10089 Use unshare_all_rtl_1.
10090 (unshare_all_rtl_again): New function.
10091 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10093 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10094 rather than resetting the 'used' flags ourself.
10096 * toplev.c (rest_of_compilation): Add current_function_decl
10097 to the unshare_all_rtl call.
10098 * tree.h: Prototype unshare_all_rtl.
10099 * rtl.h: Prototype unshare_all_rtl_again here.
10101 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10103 * genoutput.c (output_prologue): Include ggc.h in generated
10105 * Makefile.in (insn-output.o): Depends on ggc.h.
10107 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10108 Hans-Peter Nilsson <hp@bitrange.com>
10110 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10111 Remove redundant include of xm-ns32k.h.
10112 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10113 Remove redundant include of xm-ns32k.h.
10114 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10115 Remove redundant include of xm-ns32k.h.
10116 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10118 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10119 (TARGET_SWITCHES): Add documentation strings.
10120 (DWARF_FRAME_REGNUM): Override default definition.
10121 (REG_CLASS_CONTENTS): Add comments.
10122 (SUBSET_P): Format to reduce line length.
10123 (SMALL_REGISTER_CLASSES): Make a run time option.
10124 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10125 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10126 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10127 (regclass_map): fix typo in comment.
10128 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10129 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10130 (trace, reg_or_mem_operand): Delete, unused function.
10131 (calc_address_cost): Small offsets are cheaper than large ones.
10132 (expand_block_move): Generate more efficient code when bytes is a
10133 known at compile time.
10134 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10135 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10136 instead of reg_or_mem_operand.
10138 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10139 not general_operand. Similarly use "=rm" or stricter, not "=g".
10140 For input operands, use stricter constraints than "g" if not
10141 general_operand. Similarly use stricter predicate than
10142 "general_operand" when stricter constraints than "g" are present,
10143 except for matching constraints.
10144 (movstrsi): Use "memory_operand" for operands 0 and 1.
10145 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10146 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10147 not reg_or_mem_operand.
10148 (udivmoddisi4): Ditto.
10149 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10150 Use nonimmediate_operand for operand 3, not register_operand.
10151 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10152 reg_or_mem_operand.
10154 2000-01-27 Fred Fish <fnf@be.com>
10156 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10157 * gthr-single.h: Likewise.
10158 * gthr-solaris.h: Likewise.
10159 * gthr-vxworks.h: Likewise.
10160 * gthr-win32.h: Likewise.
10161 * gthr.h: Likewise.
10163 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10165 * cppinit.c: Add " (cpplib)" to end of string printed by
10168 2000-01-27 Richard Henderson <rth@cygnus.com>
10170 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10171 testing for a signed comparison.
10172 (alpha_emit_floatuns): New.
10173 * alpha-protos.h: Declare it.
10174 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10175 (extendsfdf2): Tidy.
10177 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10179 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10180 no -g option specifying debugging format, default to -gstabs+.
10182 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10184 * calls.c (special_function_p): New argument fork_or_exec.
10185 (expand_call): When profile_arc_flag is set and the function
10186 is in the fork_or_exec group, call __bb_fork_func first.
10187 * libgcc2.c, _bb module (__bb_fork_func): New function.
10188 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10190 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10191 * tree.h (special_function_p): Update prototype.
10193 2000-01-26 Richard Henderson <rth@cygnus.com>
10195 * alpha.c (alpha_split_tfmode_pair): New.
10196 * alpha-protos.h: Declare it.
10197 * alpha.md (abstf2, negtf2): New.
10198 (movtf insn): Add input G constraint.
10199 (movtf splitter): Use alpha_split_tfmode_pair.
10201 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10203 * i386/cygwin.h: PROTO -> PARAMS.
10205 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10207 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10208 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10209 using _Qp_cmp/_Q_cmp and testing the return value.
10210 (print_operand): Call reverse_condition_maybe_unordered if
10211 we are handling CCFPmode or CCFPEmode.
10212 Handle ORDERED, UN* and LTGT comparisons.
10213 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10214 if not TARGET_HARD_QUAD.
10215 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10216 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10217 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10218 Adjust gen_b* calls so that they reflect return comparison of
10219 sparc_emit_float_lib_cmp.
10221 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10223 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10224 incoming operands array is large enough for one more operand.
10225 (alpha_emit_xfloating_arith): Likewise.
10227 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10229 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10230 file with one line and no trailing newline.
10231 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10232 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10233 checking if the match is on the line.
10234 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10236 2000-01-25 Richard Henderson <rth@cygnus.com>
10238 * sparc.c (output_cbranch): Fix accidental squashing of the
10239 fp branch pre-delay nop.
10241 2000-01-25 Richard Henderson <rth@cygnus.com>
10243 * tree.def (UNNE_EXPR): Remove.
10244 * c-typeck.c (build_binary_op): Don't handle it.
10245 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10247 * rtl.def (UNNE): Remove.
10249 * jump.c (reverse_condition): Update accordingly.
10250 (swap_condition): Likewise.
10251 (comparison_dominates_p): Handle unordered comparisons.
10252 (reverse_condition_maybe_unordered): New.
10253 * rtl.h (reverse_condition_maybe_unordered): Declare.
10255 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10256 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10257 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10258 * sparc.md (bltgt): New.
10260 2000-01-25 Nick Clifton <nickc@redhat.com>
10262 * emit-rtl.c (emit_insn): Only check machine class insns for
10263 improper emission of a RETURN.
10265 2000-01-25 Richard Henderson <rth@cygnus.com>
10267 * Makefile.in (flow.o): Depend on $(EXPR_H).
10268 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10269 duplicate the structure of diddle_return_value for keeping regs live.
10271 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10273 * loop.c (current_loop_info): Delete.
10274 (consec_sets_invariant_p): Add loop argument, update callers.
10275 (get_condition_for_loop): Likewise.
10276 (count_nonfixed_reads, update_giv_derive): Likewise.
10277 (simplify_giv_expr, general_induction_var): Likewise.
10278 (consec_sets_giv, recombine_givs): Likewise.
10279 (move_movables): Delete loop_start and loop_end arguments,
10280 add loop argument, and update callers.
10281 (find_mem_givs, check_final_value): Likewise.
10282 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10283 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10285 (basic_induction_var): Add loop argument, delete loop_level argument,
10286 and update callers.
10287 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10288 add loop argument, and update callers.
10289 (find_splittable_regs, find_splittable_givs): Likewise.
10290 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10291 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10292 (biv_total_increment): Delete loop_start and loop_end arguments;
10294 (precondition_loop_p): Delete loop_start and loop_info arguments;
10296 * loop.h (get_condition_for_loop): Add loop argument.
10297 (biv_total_increment): Delete loop_start and loop_end arguments.
10298 (precondition_loop_p): Delete loop_start and loop_info arguments;
10300 (final_biv_value): Delete loop_start and loop_end arguments;
10302 (final_giv_value, back_branch_in_range_p): Likewise.
10304 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10306 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10308 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10310 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10311 point to the new "generated_files" doc.
10313 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10315 * config/fp-bit.c (_unord_f2): Fix typo.
10317 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10319 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10320 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10321 functions obsoleted by GC, such as push_obstacks_nochange,
10322 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10323 and code which existed only to decide whether or not to call
10324 them. Remove now-unused NESTED argument from start_function;
10325 all callers changed. Do not change behavior based on ggc_p.
10326 The use of the ixp_obstack in c-iterate.c and the util_obstack
10327 in objc/objc-act.c remain; these are not obsoleted by garbage
10329 * c-tree.h: Update prototype for start_function.
10331 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10333 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10335 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10338 2000-01-25 Richard Henderson <rth@cygnus.com>
10340 * sparc-protos.h (select_cc_mode): Declare.
10341 * sparc.c (select_cc_mode): New. Handle unordered compares.
10342 (output_cbranch): Always reverse via code change. Handle
10343 unordered compares. Factor tests and string updates.
10344 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10345 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10346 * sparc.md (bunordered, bordered): New.
10347 (bungt, bunlt, buneq, bunge, bunle): New.
10349 2000-01-25 Richard Henderson <rth@cygnus.com>
10351 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10352 * ggc-common.c (ggc_add_rtx_varray_root): New.
10353 (ggc_mark_rtx_varray): New.
10354 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10355 functions down below ggc_mark_foo.
10356 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10358 2000-01-25 Richard Henderson <rth@cygnus.com>
10360 * alpha.c (secondary_reload_class): Don't allocate a secondary
10361 for integral mode memories into FLOAT_REGS. Rearrange the more
10362 complicated memory expression inward.
10364 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10366 * inclhack.def: Fixes to play nicer with FreeBSD, and
10367 corrections to comments.
10368 (cxx_unready): Add select expression.
10369 (irix_sockaddr): Add bypass expression.
10370 (machine_ansi_h_va_list): New fix.
10371 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10372 Split out addition of "#include <stdarg.h>" to...
10373 (stdio_stdarg_h): ... here.
10374 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10375 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10376 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10378 (ultrix_ifdef): Tighten up select expression.
10380 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10381 re_ct and max_mach to avoid use of shell. Make printed names
10382 match names in inclhack.def. Use static copyright date.
10383 Don't count c_test and test expressions as requiring regex_t
10384 slots. Add some commentary.
10385 * inclhack.tpl: Do not include the 'This script contains N
10386 fixup scripts' line if PROGRAM is defined. Use static
10389 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10391 * dwarf2out.c: include "varray.h", not dyn-string.h.
10392 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10393 (addr_const_to_string, addr_to_string): Lose.
10394 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10395 (struct dw_val_struct): val_addr is now an rtx.
10396 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10397 (used_rtx_varray): New varray.
10398 (dwarf2out_init): Initialize it.
10399 (save_rtx): New fn.
10400 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10402 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10403 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10404 * Makefile.in (dwarf2out.o): Update dependencies.
10406 2000-01-24 Richard Henderson <rth@cygnus.com>
10408 * i386.c (i386_dwarf_output_addr_const): New.
10409 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10411 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10413 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10414 * i386.c (i386_simplify_dwarf_addr): New.
10415 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10417 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10419 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10420 TYPE_STUB_DECL is NULL.
10422 2000-01-24 Richard Henderson <rth@cygnus.com>
10424 * builtins.c (expand_tree_builtin): Move ...
10425 * c-common.c (expand_tree_builtin): ... here.
10427 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10429 * loop.h (LOOP_INFO): New accessor macro.
10430 * basic-block.h (struct loop): Rename field `info' to `aux'.
10431 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10432 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10433 * unroll.c (loop_iterations, unroll_loop): Likewise.
10435 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10437 * config/i386/t-cygwin: Accomodate new winsup directory layout
10438 when searching for include files.
10440 2000-01-24 Richard Henderson <rth@cygnus.com>
10442 * rtl.def: Add unordered fp comparisions.
10443 * tree.def: Likewise.
10444 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10446 * builtins.c (expand_tree_builtin): New function.
10447 * c-typeck.c (build_function_call): Use it.
10448 (build_binary_op): Support unordered compares.
10449 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10451 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10452 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10453 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10454 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10455 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10457 (swap_condition): Handle unordered compares.
10458 (thread_jumps): Check can_reverse before reversing.
10459 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10462 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10463 setcc is present before acking for cmp_optab. Update all callers.
10464 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10465 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10466 * expr.c (expand_expr): Likewise. Support unordered compares.
10467 (do_jump, do_store_flag): Likewise.
10468 * expr.h (enum libfunc_index): Add unordered compares.
10470 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10471 (DPBIT_FUNCS): Add _unord_df.
10472 * config/fp-bit.c (_unord_f2): New.
10473 * fp-test.c (main): Try unordered compare builtins.
10475 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10476 * alpha.c (alpha_comparison_operator): Check mode properly.
10477 (alpha_swapped_comparison_operator): Likewise.
10478 (signed_comparison_operator): Likewise.
10479 (alpha_fp_comparison_operator): New.
10480 (alpha_emit_conditional_branch): Handle unordered compares.
10481 * alpha.h (PREDICATE_CODES): Update.
10482 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10483 (bunordered, bordered): New.
10485 2000-01-24 Richard Henderson <rth@cygnus.com>
10487 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10488 * alpha.md (movtf): New expander, insn, and splitter.
10490 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10492 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10495 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10497 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10498 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10499 REG_ALLOC_ORDER): Add frame pointer
10500 (FRAME_POINTER_REGNUM): Set to 20
10501 (HARD_FRAME_POINTER_REGNUM): New macro.
10502 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10503 to HARD_FRAME_POINTER.
10504 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10505 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10506 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10507 (HI_REGISTER_NAMES): Add "frame".
10508 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10509 (debug_reg): Handle FRAME_POINTER_REGNUM.
10510 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10511 GENERAL_REGS and INDEX_REGS.
10512 * i386.c (SAVED_REGS_FIRST): new macro.
10513 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10514 (ix86_decompose_address, memory_address_length): Likewise.
10515 (regclass_map): Add frame pointer.
10516 (call_insn_operand): Handle frame_pointer_rtx.
10517 (reg_no_sp_operand): Likewise.
10518 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10519 (print_operand, legitimize_pic_address): Fix formating.
10520 (ix86_compute_frame_size): Make static, update prototype, new
10521 parameters padding1, padding2, use ix86_nsaved_regs, use
10522 stack_alignment_needed.
10523 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10524 to HARD_FRAME_POINTER_REGNUM conversions.
10525 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10526 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10527 (print_reg): Abort on FRAME_POINTER_REGNUM
10529 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10531 * i386.h (PREDICATE_CODES): Add aligned_operand.
10532 * i386.c (aligned_operand): New function.
10533 (ix86_aligned_p): Kill.
10534 * i386.md (movhi_1): Emit mov for aligned operands.
10535 (promoting peep2s): Use aligned_operand.
10537 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10539 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10540 expression to allow underscores in macro names.
10541 (fix_char_macro_defines): Increment scanning pointer.
10543 2000-01-23 Richard Henderson <rth@cygnus.com>
10545 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10546 * alpha/osf5.h: New file.
10547 * configure.in (alpha-*-osf5): Add it to tm_file.
10549 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10551 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10552 (alpha_emit_xfloating_cvt, function_arg): Declare.
10553 * alpha.c (alpha_emit_conditional_branch): Call
10554 alpha_emit_xfloating_compare for TFmode compares.
10555 (alpha_lookup_xfloating_lib_func): New.
10556 (alpha_compute_xfloating_mode_arg): New.
10557 (alpha_emit_xfloating_libcall): New.
10558 (alpha_emit_xfloating_arith): New.
10559 (alpha_emit_xfloating_compare): New.
10560 (alpha_emit_xfloating_cvt): New.
10561 (print_operand): Add default abort case.
10562 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10563 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10564 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10565 (RETURN_IN_MEMORY): True for TF/TCmode.
10566 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10567 (FUNCTION_ARG): Move to function_arg.
10568 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10569 (ASM_OUTPUT_LONG_DOUBLE): New.
10570 (ASM_OUTPUT_DOUBLE): Always output bits.
10571 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10572 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10573 (extenddftf2, trunctfdf2): New.
10575 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10577 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10578 * config/sparc/sol2.h: ... here.
10580 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10582 * basic-block.h (struct loops): New field `levels'.
10583 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10584 (flow_loop_level_compute): Initialise level to 1.
10585 (flow_loops_find): Set loops->levels.
10586 (flow_loops_dump): Print loops->levels.
10588 2000-01-23 Richard Henderson <rth@cygnus.com>
10590 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10591 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10593 2000-01-23 Richard Henderson <rth@cygnus.com>
10595 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10596 * i386.h (DBX_REGISTER_NUMBER): Use them.
10597 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10598 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10599 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10600 * i386/sequent.h: Kill incorrect comment.
10602 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10604 * ggc-page.c (struct page_entry): Make `context_depth' an
10606 (struct globals): Likewise.
10608 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10610 * loop.c (check_dbra_loop): When checking a loop for
10611 reversability, check the source of any stores to ensure
10612 they don't depend on an initial value.
10614 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10616 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10618 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10620 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10621 'pz_scan' into scope of entire function. Only affects
10622 compiles with -DDEBUG.
10624 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10626 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10627 section naming to that prior to 2000-01-07 patch.
10628 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10629 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10630 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10631 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10632 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10634 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10636 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10639 2000-01-21 Jim Wilson <wilson@cygnus.com>
10641 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10642 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10644 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10646 * cpphash.c (change_newlines): Delete function.
10647 (struct argdata): Delete 'newlines' and 'use_count' fields.
10648 (macroexpand): Remove code referencing those fields.
10650 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10652 * loop.c (loops_info): New variable.
10653 (loop_optimize): Allocate loops->array and free it on exit.
10654 Allocate memory for loops_info and assign to each loop,
10656 (find_and_verify_loops): Do not allocate loops->array.
10658 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10660 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10662 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10664 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10665 pseudos if expanded after first flow.
10666 (movdi_pic_label_ref): Likewise.
10668 2000-01-20 Richard Henderson <rth@cygnus.com>
10670 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10672 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10674 * Makefile.in (fixinc.sh): Depend on specs.
10675 * fixinc/Makefile.in: Add rule to create machname.h.
10676 (fixlib.o): Depend on machname.h.
10677 * fixinc/fixtests.c (machine_name): New test.
10678 * fixinc/fixfixes.c (machine_name): New fix.
10679 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10680 the machine_name test and fix.
10681 * fixinc/fixlib.h: Prototype it.
10682 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10683 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10685 * gcc.c (do_spec_1) [case P]: Take care not to create
10686 identifiers with three leading or trailing underscores.
10688 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10689 (fixincl): Don't specify libraries twice on link line.
10690 (gnu-regex.o): Remove special rule.
10691 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10692 defined by config.h. Do not define _REGEX_RE_COMP.
10693 (regcomp): Allocate and initialize a fastmap.
10694 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10696 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10698 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10700 2000-01-19 Richard Henderson <rth@cygnus.com>
10702 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10703 arguments with BB. Update all callers. Tidy line wrapping.
10705 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10707 * emit-rtl.c (try_split): Return last_insn if we split the
10710 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10712 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10713 (ix86_initial_elimination_offset): Declare.
10714 * i386.c (ix86_nsaved_regs): Break out from ...
10715 (ix86_can_use_return_insn_p): ... here.
10716 (ix86_emit_save_regs): Break out from ...
10717 (ix86_expand_prologue): ... here.
10718 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10720 (ix86_expand_epilogue): ... here.
10721 (ix86_compute_frame_size): Make static, add prototype.
10722 (ix86_initial_elimination_offset): Break out from ...
10723 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10725 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10727 * recog.h (OUT_FCN): Delete.
10729 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10731 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10733 * cppalloc.c: PROTO -> PARAMS.
10734 * cpperror.c: Likewise.
10735 * cppfiles.c: Likewise.
10736 * cpplib.c: Likewise.
10737 * cpplib.h: Likewise.
10739 * config/arm/arm-protos.h: PROTO -> PARAMS.
10740 * config/arm/arm.c: Likewise.
10741 * config/c4x/c4x.c: Likewise.
10742 * config/fr30/fr30-protos.h: Likewise.
10743 * config/nextstep.c: Likewise.
10744 * config/pa/pa.c: Likewise.
10745 * config/pj/pj.c: Likewise.
10746 * config/rs6000/rs6000.c: Likewise.
10747 * config/v850/v850-protos.h: Likewise.
10748 * config/v850/v850.c: Likewise.
10750 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10752 * i370-protos.h: New file.
10754 * i370.c: Include tm_p.h. Fix compile time warnings.
10756 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10759 * i370.md: Likewise.
10761 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10763 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10764 (target_isinf, target_isnan, eisnan): Mark parameter with
10766 (eiisinf): Wrap in INFINITY.
10767 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10768 (ibmtoe): Remove unused variable `rndsav'.
10770 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10772 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10773 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10775 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10777 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10778 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10779 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10781 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10782 Recognize Emacs mode markers also.
10783 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10784 C++ comments in C++ headers. Call is_cxx_header only if
10787 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10788 bypass for ncurses.
10789 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10790 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10791 ... these, which use the new C fixes.
10792 (math_exception): Escape literal '+' in bypass expression.
10794 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10797 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10799 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10802 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10804 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10805 prior to calling scan_loop.
10807 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10809 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10810 (split_branches, calc_live_regs): Likewise.
10812 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10814 * sh.md (fpu_single, fp_mode): New attributes.
10816 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10818 * loop.c (current_loop_info): Renamed from loop_info_data
10819 and changed to a pointer.
10820 (loop_optimize): Allocate loop_info structure for each loop
10821 and initialise to zero.
10822 (scan_loop): Set current_loop_info.
10824 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10827 2000-01-19 Richard Henderson <rth@cygnus.com>
10829 * stupid.c: Die die die.
10830 * Makefile.in (OBJS): Remove stupid.o.
10831 (stupid.o): Likewise.
10833 * except.c (emit_eh_context): Don't emit USEs for stupid.
10834 * explow.c (probe_stack_range): Likewise.
10835 * flags.h (obey_regdecls): Remove.
10836 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10837 when not optimizing.
10838 (life_analysis): Limit data collection when not optimizing.
10839 (mark_regs_live_at_end): Always mark the return value registers.
10840 (mark_used_regs): Remove dummy RETURN case.
10841 (print_rtl_with_bb): Don't consult obey_regdecls.
10842 * function.c (use_variable, use_variable_after): Remove.
10843 (assign_parms): Consult optimize not obey_regdecls.
10844 (expand_function_start): Don't emit USEs for stupid.
10845 (expand_function_end): Likewise.
10846 * global.c (build_insn_chain): Export.
10847 * integrate.c (expand_inline_function): Kill return-value USE
10849 * jump.c (jump_optimize_1): Do simple jump optimizations and
10850 dead code elimination.
10851 (calculate_can_reach_end): Remove check_deleted argument.
10852 (delete_insn): Patch out insns even when not optimizing.
10853 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10854 * rtl.h (use_variable, use_variable_after): Remove declarations.
10855 (build_insn_chain): Declare.
10856 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10857 (expand_end_bindings): Likewise.
10858 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10859 * toplev.c (obey_regdecls): Remove.
10860 (rest_of_compilation): Don't set it. Kill stupid in favour of
10861 flow1, local-alloc, and reload.
10862 (main): Don't set obey_regdecls.
10864 * config/nextstep.c (handle_pragma): Likewise.
10866 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10868 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10870 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10872 * alpha-protos.h: PROTO -> PARAMS.
10873 * alpha.c: Likewise.
10875 * h8300.c: Likewise.
10876 * i386-protos.h: Likewise.
10877 * i386.c: Likewise.
10878 * m32r-protos.h: Likewise.
10879 * m32r.c: Likewise.
10880 * mips.c: Likewise.
10881 * mips.md: Likewise.
10882 * gmon-sol2.c: Likewise.
10883 * sparc.c: Likewise.
10885 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10887 * ns32k-protos.h: New file.
10889 * ns32k.c: Fix compile time warnings.
10891 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10894 * ns32k.md: Likewise.
10896 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10898 * vax-protos.h: New file.
10900 * vax.c: Fix compile time warnings.
10902 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10905 * vax.md: Likewise.
10907 * vaxv.md: Likewise.
10909 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10911 * romp-protos.h: New file.
10913 * romp.c: Fix compile time warnings.
10915 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10918 * romp.md: Likewise.
10920 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10922 * we32k-protos.h: New file.
10924 * we32k.c: Fix compile time warnings.
10926 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10929 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10931 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10933 * except.c (eh_regs): Likewise.
10935 * final.c (output_operand): Likewise.
10937 * fold-const.c (target_isinf, target_isnan): Likewise.
10939 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10941 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10942 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10944 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10945 when optimize_size.
10946 (clrstrsi): Rewrite.
10947 (strsethi, strsetqi): New expanders.
10948 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10949 (cmpstrsi): Emit compare insn before cmpstrsi_1
10950 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10951 (strlensi_1): Likewise.
10952 (cmpstrsi_1): Likewise; do not output compare.
10953 (strlen expander): Do not unroll when optimizing for size.
10954 (*subsi3_carry): Rename to subsi3_carry
10955 (addqi3_cc): New pattern.
10956 * i386.h (processor_costs): Add move_ratio field.
10957 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10958 * i386.c (*_cost): Set move_ratio.
10959 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10960 (x86_expand_strlensi_1): Rewrite the main loop.
10962 2000-01-17 Richard Henderson <rth@cygnus.com>
10964 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10965 * cse.c (find_comparison_args, fold_rtx): Likewise.
10966 * integrate.c (subst_constants): Likewise.
10967 * loop.c (get_condition): Likewise.
10969 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10971 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10973 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10975 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10976 (RESTORE_WARN_FLAGS): Unpack it.
10977 Change semantic type of extension to ttype.
10978 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10979 * c-parse.y, c-parse.c, objc/objc-parse.y,
10980 objc/objc-parse.c: Regenerate.
10982 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10984 * fixinc/fixlib.c: Add copyright notice.
10985 (compile_re): New function.
10986 * fixinc/fixlib.h: Prototype compile_re.
10988 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10989 Use compile_re to compile regular expressions.
10991 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10992 where the pattern matched.
10994 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10996 (ultrix_ansi_compat): Likewise.
10997 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10999 (interactv_add2, interactv_add3): Delete.
11000 (x11_sprintf): Don't use filename glob.
11001 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
11004 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11006 * print-rtl.c: PROTO -> PARAMS.
11007 * real.c: Likewise.
11008 * reg-stack.c: Likewise.
11009 * resource.c: Likewise.
11010 * sdbout.h: Likewise.
11011 * simplify-rtx.c: Likewise.
11012 * stor-layout.c: Likewise.
11013 * stupid.c: Likewise.
11014 * xcoffout.c: Likewise.
11015 * xcoffout.h: Likewise.
11017 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11019 * toplev.c: PROTO -> PARAMS.
11020 * toplev.h: Likewise.
11021 * tree.c: Likewise.
11022 * tree.h: Likewise.
11023 * unroll.c: Likewise.
11024 * varasm.c: Likewise.
11025 * varray.c: Likewise.
11026 * varray.h: Likewise.
11028 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11030 * reload.c: PROTO -> PARAMS.
11031 * reload.h: Likewise.
11032 * reload1.c: Likewise.
11033 * reorg.c: Likewise.
11034 * resource.h: Likewise.
11037 * rtlanal.c: Likewise.
11038 * sbitmap.h: Likewise.
11039 * sdbout.c: Likewise.
11040 * stack.h: Likewise.
11041 * stmt.c: Likewise.
11042 * system.h: Likewise.
11044 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11046 * machmode.h: PROTO -> PARAMS.
11047 * mbchar.h: Likewise.
11048 * mips-tdump.c: Likewise.
11049 * mips-tfile.c: Likewise.
11050 * optabs.c: Likewise.
11051 * output.h: Likewise.
11052 * prefix.c: Likewise.
11053 * profile.c: Likewise.
11054 * protoize.c: Likewise.
11055 * real.h: Likewise.
11056 * recog.c: Likewise.
11057 * recog.h: Likewise.
11058 * regclass.c: Likewise.
11059 * regmove.c: Likewise.
11060 * regs.h: Likewise.
11062 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11064 * ggc-common.c: PROTO -> PARAMS.
11065 * ggc-page.c: Likewise.
11066 * ggc-simple.c: Likewise.
11068 * global.c: Likewise.
11069 * graph.c: Likewise.
11070 * gthr-win32.h: Likewise.
11071 * haifa-sched.c: Likewise.
11072 * halfpic.h: Likewise.
11073 * integrate.c: Likewise.
11074 * integrate.h: Likewise.
11075 * jump.c: Likewise.
11077 * local-alloc.c: Likewise.
11078 * loop.c: Likewise.
11079 * loop.h: Likewise.
11081 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11083 * genattr.c: PROTO -> PARAMS.
11084 * genattrtab.c: Likewise.
11085 * gencheck.c: Likewise.
11086 * gencodes.c: Likewise.
11087 * genconfig.c: Likewise.
11088 * genemit.c: Likewise.
11089 * genextract.c: Likewise.
11090 * genflags.c: Likewise.
11091 * gengenrtl.c: Likewise.
11092 * genopinit.c: Likewise.
11093 * genoutput.c: Likewise.
11094 * genpeep.c: Likewise.
11095 * genrecog.c: Likewise.
11097 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11099 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11101 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11103 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11104 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11105 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11106 * configure, config.in: Rebuilt.
11108 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11110 * config/i386/i386.md: Add peephole to merge successive stack
11113 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11115 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11116 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11117 when walking backwards to find all the parameter loads when
11118 the basic block ends in a call.
11120 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11122 * loop.c (this_loop_info): Delete.
11123 (uid_loop): Add in place of uid_loop_num. All uses updated.
11124 (loop_number_exit_count): Delete and replace with entry in loop
11125 structure. All uses updated.
11126 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11127 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11128 (loop_outer_loop): Likewise.
11129 (loop_invalid, loop_number_exit_labels): Likewise.
11130 (loop_used_count_register): Delete and replace with entry in
11131 loop_info structure.
11132 (find_and_verify_loops): Add loops argument.
11133 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11134 loop_end, etc. arguments with loop structure pointer. All callers
11136 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11137 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11138 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11139 (insert_bct): Likewise.
11140 (basic_induction_var): New argument level.
11141 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11142 vtop, and cont. Add used_count_register.
11143 (uid_loop): Delete declaration.
11144 (loop_number_exit_count): Likewise.
11145 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11146 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11147 (loop_outer_loop, loop_used_count_register): Likewise.
11148 (loop_invalid, loop_number_exit_labels): Likewise.
11149 (unroll_loop): Replace loop_start and loop_end arguments
11150 with loop structure pointer.
11151 (loop_precondition_p, loop_iterations): Likewise.
11152 Include basic-block.h.
11153 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11154 with loop structure pointer.
11155 (loop_precondition_p, loop_iterations): Likewise.
11156 * basic-block.h (struct loop): New entries vtop, cont,
11157 cont_dominator, start, end, top, scan_start, exit_labels,
11159 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11161 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11163 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11165 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11167 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11169 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11171 * pdp11-protos.h: New file.
11173 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11176 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11179 * pdp11.md: Likewise.
11181 * 2bsd.h: Likewise.
11183 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11185 * mn10300-protos.h: New file.
11187 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11190 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11193 * mn10300.md: Likewise.
11195 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11197 * mn10200-protos.h: New file.
11199 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11202 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11205 * mn10200.md: Likewise.
11207 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11209 * h8300-protos.h: New file.
11211 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11214 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11217 * h8300.md: Likewise.
11219 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11221 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11222 (asm_emit_uninitialised): Likewise.
11224 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11226 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11227 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11229 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11231 * config/mips/mips.c (override_options): Don't turn on extra
11232 alignment for mips16.
11234 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11236 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11237 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11240 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11242 * builtins.c (PAD_VARARGS_DOWN): Define.
11243 (std_expand_builtin_va_arg): Use the above macro.
11244 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11245 * tm.texi (Register Arguments): Document the above macro.
11247 2000-01-14 Nick Clifton <nickc@cygnus.com>
11249 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11250 that this function has not been used to emit a jump
11253 * jump.c (return_jump_1): Cope with being passed a null rtx.
11255 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11257 * eh-common.h: PROTO -> PARAMS.
11258 * emit-rtl.c: Likewise.
11259 * errors.c: Likewise.
11260 * errors.h: Likewise.
11261 * except.c: Likewise.
11262 * except.h: Likewise.
11263 * explow.c: Likewise.
11264 * expmed.c: Likewise.
11265 * expr.c: Likewise.
11266 * expr.h: Likewise.
11267 * final.c: Likewise.
11268 * fix-header.c: Likewise.
11269 * flow.c: Likewise.
11270 * fold-const.c: Likewise.
11271 * function.c: Likewise.
11272 * function.h: Likewise.
11274 * gcov-io.h: Likewise.
11275 * gcov.c: Likewise.
11276 * gcse.c: Likewise.
11278 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11280 * sh-protos.h: New file.
11282 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11283 Add static prototypes. Fix compile time warnings.
11285 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11289 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11291 * arc-protos.h: New file.
11293 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11296 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11299 * arc.md: Likewise.
11301 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11303 * dsp16xx-protos.h: New file.
11305 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11308 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11311 * dsp16xx.md: Likewise.
11313 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11315 * convex-protos.h: New file.
11317 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11320 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11323 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11325 * elxsi-protos.h: New file.
11327 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11330 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11333 * elxsi.md: Likewise.
11335 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11337 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11338 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11339 match the comment for MIPS16.
11341 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11343 * flow.c (split_edge): Do not call set_block_for_insn if we
11344 do not have a basic_block_for_insn structure.
11346 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11347 and destination functions are 32bit aligned within the trampoline.
11348 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11349 (TRAMPOLINE_ALIGNMENT): Define.
11351 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11352 (set (pc) (label_ref)), verify the change creates a valid insn.
11354 * fr30.c (call_operand): Tighten and rework to match rules for
11355 call RTL expressions.
11356 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11357 * fr30.md (call patterns): Improve constraints.
11359 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11361 * fr30.c (fr30_expand_epilogue): Revert last change.
11362 Use emit_jump_insn for the return insn.
11364 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11365 Stan Cox <scox@cygnus.com>
11367 * predict.c: New file. Preliminary infrastructure work for static
11368 branch prediction and basic block reordering.
11369 * basic-block.h: Add prototype for estimate_probability.
11370 * Makefile.in: Add rules for predict.o.
11372 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11374 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11375 * fixinc/*: Likewise.
11377 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11379 * cccp.c: PROTO -> PARAMS.
11380 * cexp.y: Likewise.
11381 * collect2.c: Likewise.
11382 * combine.c: Likewise.
11383 * convert.h: Likewise.
11385 * dbxout.c: Likewise.
11386 * dbxout.h: Likewise.
11387 * diagnostic.c: Likewise.
11388 * doprint.c: Likewise.
11389 * dwarf2out.c: Likewise.
11390 * dwarf2out.h: Likewise.
11391 * dwarfout.c: Likewise.
11392 * dwarfout.h: Likewise.
11393 * dyn-string.h: Likewise.
11395 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11397 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11398 macro conditionals guarding use.
11400 * dwarf2out.c: Include "tm_p.h".
11402 * function.c (locate_and_pad_parm): Mark parameter with
11404 (expand_function_end): Likewise for variable `context'.
11406 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11408 2000-01-13 Nick Clifton <nickc@cygnus.com>
11410 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11411 register to prevent compile time warnings.
11413 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11415 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11416 to avoid -Wtraditional warning.
11418 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11420 * 1750a-protos.h: New file.
11422 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11425 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11428 * 1750a.md: Likewise.
11430 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11432 * a29k-protos.h: New file.
11434 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11437 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11440 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11442 * clipper-protos.h: New file.
11444 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11447 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11450 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11452 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11454 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11456 * configure.in (--enable-new-gxx-abi): New option.
11457 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11458 * Makefile.in (GXX_ABI_FLAG): New variable.
11459 * configure: Regenerate.
11461 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11463 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11464 * tm.texi (FORCE_STRUCT_BLK): Document.
11465 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11467 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11469 * config/ns32k/ns32k.md: Revert Jan 9 change.
11471 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11472 to a mode-test, if the predicate is address_operand.
11474 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11476 * combine.c (if_then_else_cond): Be careful about what kinds
11477 of RTL expressions are passed to operand_subword.
11479 * flow.c (split_edge): If we have to insert a new jump, make
11480 sure to associate it with a basic block.
11482 * flow.c (commit_one_edge_insertion): A block with one successor
11483 can end in a JUMP_INSN that is not a simplejump.
11485 2000-01-12 Robert Lipe <robertl@sco.com>
11487 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11488 (BUILD_VA_LIST_TYPE): Define.
11489 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11492 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11494 * cccp.c (do_pragma): Add cast to (char *).
11496 2000-01-12 Richard Henderson <rth@cygnus.com>
11497 Fred Fish <fnf@be.com>
11498 Jason Merrill <jason@cygnus.com>
11500 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11501 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11502 * i386/beos-elf.h, i386/beos-pe.h: New files.
11504 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11505 * cross-make (SYSTEM_HEADER_DIR): Define using
11506 CROSS_SYSTEM_HEADER_DIR.
11508 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11509 (process_command): Use it.
11510 (main): Likewise. Kill trailing = from env vars.
11511 (build_search_list): Put it back.
11512 * collect2.c (main): Use LIBRARY_PATH_ENV.
11514 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11515 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11517 * tm.texi (Frame Layout): Document SMALL_STACK.
11518 * c-common.c (c_common_nodes_and_builtins): Check it.
11520 * system.h: Undef alloca after including glibc's <stdlib.h>,
11521 if USE_C_ALLOCA is defined.
11523 * gcc.c (set_input): New fn.
11524 (main): After all input files are compiled, reset the input file
11527 * aclocal.m4 (rindex, index): If already defined, don't attempt
11530 * ginclude/varargs.h: (__va_list__): Define ifndef.
11531 * ginclude/stdarg.h: Likewise.
11533 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11534 instead of unsigned char.
11536 * hash.h (true, false, boolean): Undef before enum.
11538 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11539 proper type of "HOST_WIDE_INT *", rather than their natural type of
11540 "unsigned HOST_WIDE_INT *".
11542 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11544 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11546 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11548 * regclass.c (choose_hard_reg_mode): Likewise.
11550 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11552 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11554 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11556 * c-common.c: PROTO -> PARAMS.
11557 * c-common.h: Likewise.
11558 * c-decl.c: Likewise.
11559 * c-iterate.c: Likewise.
11560 * c-lang.c: Likewise.
11561 * c-lex.c: Likewise.
11562 * c-lex.h: Likewise.
11563 * c-parse.in: Likewise.
11564 * c-pragma.c: Likewise.
11565 * c-pragma.h: Likewise.
11566 * c-tree.h: Likewise.
11567 * c-typeck.c: Likewise.
11568 * objc/objc-act.c: Likewise.
11569 * objc/objc-act.h: Likewise.
11571 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11573 * m88k-protos.h: New file.
11575 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11578 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11580 * m88k.md: Likewise.
11582 * tekXD88.h: Likewise.
11584 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11586 * m68k-protos.h: New file.
11588 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11591 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11593 * mot3300.h: Likewise.
11595 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11597 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11599 (extract_bitlist): Declare bitlen.
11601 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11603 * cccp.c: Accept and ignore -lang-fortran.
11605 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11606 qualifiers don't match at any level of pointerness.
11608 2000-01-12 Robert Lipe <robertl@sco.com>
11610 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11612 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11614 * reload1.c (reload_reg_unavailable): New static variable.
11615 (reload_reg_free_p): Test it.
11616 (reload_reg_free_for_value_p): Test it instead of
11618 (choose_reload_regs_init): Compute it.
11620 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11622 * reorg.c (fill_slots_from_thread): Check modified_in_p
11625 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11627 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11628 these nodes even if INTERNALS is not set.
11630 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11632 * gcse.c (delete_null_pointer_checks_1): Cope when
11633 get_condition cannot determine the condition.
11635 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11637 * toplev.h (set_message_length): Declare.
11639 * diagnostic.c (obstack_chunk_alloc): Define macro.
11640 (obstack_chunk_free): Likewise.
11641 (struct output_buffer): New data structure.
11642 (vmessage): Remove.
11643 (output_maximum_width): New variable.
11644 (doing_line_wrapping, set_message_length, init_output_buffer,
11645 get_output_prefix, output_space_left, emit_output_prefix,
11646 output_newline, output_append, output_puts, dump_output,
11647 vbuild_message_string, build_message_string, build_location_prefix,
11648 voutput_notice, output_printf, line_wrapper_printf,
11649 vline_wrapper_message_with_location): New functions. Implement
11650 automatic line wrapping.
11651 (v_message_with_decl): Make it handle automatic line wrapping.
11652 (v_error_with_file_and_line): Likewise.
11653 (v_warning_with_file_and_line): Likewise.
11654 (announce_function): Likewise.
11655 (default_print_error_function): Likewise.
11657 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11659 * cpplib.h (struct cpp_options): Change lang_asm to char.
11661 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11662 done in cpp_handle_option now.
11663 (initialize_builtins): Take out special case code used only by
11665 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11666 if -traditional. Recognize -lang-fortran and set
11667 lang_fortran, also turn off cplusplus_comments.
11668 (print_help): Document -lang-fortran.
11669 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11670 lang_asm. Ignore all directives other than `# 123 "file"' if
11672 (cpp_get_token): If -traditional, don't recognize directives
11673 unless the # is in column 1.
11674 (parse_string): If lang_fortran or lang_asm, silently
11675 terminate strings ('' or "") at end of line.
11676 Remove unnecessary braces.
11678 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11679 Richard Henderson <rth@cygnus.com>
11681 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11683 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11684 strict_low_part when possible.
11686 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11688 * alias.c: PROTO -> PARAMS.
11689 * basic-block.h: Likewise.
11690 * bitmap.c: Likewise.
11691 * bitmap.h: Likewise.
11692 * builtins.c: Likewise.
11693 * c-aux-info.c: Likewise.
11694 * caller-save.c: Likewise.
11695 * calls.c: Likewise.
11697 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11699 * Makefile.in (toplev.o): Depend on regs.h.
11701 * output.h (tdesc_section): Prototype.
11703 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11705 * sdbout.c: Include "tm_p.h".
11707 * toplev.c: Include "regs.h".
11709 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11711 * unroll.c (unroll_loop): Add EH support.
11713 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11715 * pa-protos.h: New file.
11717 * pa.c: Include recog.h and tm_p.h.
11718 (compute_zdepwi_operands, compute_movstrsi_length,
11719 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11720 find_addr_reg, import_milli): Add static prototypes.
11721 (pa_cpu_string, pa_arch_string): Constify a char*.
11722 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11723 (read_only_operand): Add argument `mode'.
11724 (singlemove_string, output_move_double, output_fp_move_double,
11725 output_block_move, output_and, output_ior, output_ascii,
11726 remove_useless_addtr_insns, milli_names, output_mul_insn,
11727 output_div_insn, output_mod_insn, output_arg_descriptor,
11728 output_cbranch, output_bb, output_bvb, output_dbra, ,
11729 output_millicode_call, output_call, hppa_encode_label,
11730 output_parallel_movb, output_parallel_addb): Constify a char*.
11731 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11732 (output_parallel_addb): Remove extra arg to `constrain_operands'
11734 * pa.h: Move all prototypes to pa-protos.h.
11735 (pa_cpu_string, pa_arch_string): Constify a char*.
11736 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11738 * pa.md: Call `function_label_operand' with mode argument.
11739 Likewise for `read_only_operand'.
11740 Fix nesting of parens in call to `symbolic_operand'.
11742 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11744 * i860-protos.h: New file.
11746 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11749 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11751 * i860.md: Likewise.
11753 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11755 * i386.md (movstrsi expander): Rewrite.
11756 (movstrsi_1 insn): Deleted.
11757 (strmovhi, strmovqi expander): New expanders.
11758 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11759 * i386.c (x86_single_stringop): New global variable.
11760 * i386.h (x86_single_stringop): Declare.
11761 (TARGET_SINGLE_STRINGOP): New macro.
11763 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11765 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11766 integer vararg POSTINCREMENT before the destination of the jump
11767 for the hard fp case.
11768 (function_arg_pass_by_reference): Pass a copy of CUM to
11771 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11772 for CONSTANT_ADDRESS_P above while loop for subreg.
11774 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11776 * flow.c (propagate_block): When a prologue/epilogue insn
11777 is marked dead, unconditionally clear libcall_is_dead and
11778 insn_is_dead, and only dump rtl if warnings aren't being
11781 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11783 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11784 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11785 (FIXED_REGISTERS): Set dirflag as fixed.
11786 (CALL_USED_REGISTERS): Set dirflag as used.
11787 (REG_ALLOC_ORDER): Set dirflag as last one.
11788 (DIRFLAG_REG): New macro.
11789 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11790 (HI_REGISTER_NAMES): Add dirflag.
11791 (DEBUF_PRINT_REG): Handle dirflag.
11792 * i386.md (type attribute): New cld and str types.
11793 (length_opcode attribute): Set cld and str to 1.
11794 (memory attribute): Set str to unknown - it is not clear from the
11796 (pent_np function unit): Prefixed string operations takes 12 cycles
11797 minimally; cld takes 2 cycles.
11798 (ppro_uops attribute): Str is "many" and cld is "few".
11799 (ppro_p0 unit): Handle cld here.
11800 (k6_alux unit): Handle cld and str types.
11801 (k6_load unit): It is ocupied by str opcodes.
11802 (k6_store unit): It is ocupied by str opcodes.
11803 (athlon_decode): Str is vector decoded.
11804 (athlon_ieu): Handle str and cld.
11805 (cld pattern): New.
11806 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11807 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11808 cmpstrsi_nz_1 insn): Do not output cld instruction
11810 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11812 * gcc.texi (G++ and GCC): Add Java and Chill.
11813 (Bug Critera): Don't list languages.
11815 * gcc.texi (Incompatibilities): No longer claim most C compilers
11818 * gcc.texi (G++ and GCC): Update other front-ends list.
11820 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11822 * i386.c (ix86_expand_setcc): Fix typo.
11823 (ix86_expand_movcc): Similarly.
11825 * Band-aid until haifa's bitset implementation is nuked.
11826 * haifa-sched.c (extract_bitlst): New parameter for size of the
11827 bitset in bits. All callers changed. Avoid looking at undefined
11828 bits in the bitset.
11829 (edgeset_bitsize): New variable.
11830 (schedule_region): Initialize edgeset_bitsize.
11832 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11834 * Makefile.in (optabs.o): Depend on real.h
11835 (resource.o): Depend on insn-attr.h
11837 * builtins.c (result_vector): Wrap prototype in macro conditions
11838 governing definition and use.
11840 * c-common.c: Include tm_p.h.
11842 * c-lex.c: Likewise.
11844 * elfos.h: Constify a char*.
11846 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11847 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11848 parameter with ATTRIBUTE_UNUSED.
11850 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11853 * haifa-sched.c (schedule_insns): Mark parameter with
11856 * optabs.c: Include real.h.
11858 * real.h (ereal_atof): Add prototype arguments.
11860 * resource.c: Include insn-attr.h.
11862 * sdbout.c (sdbout_queue_anonymous_type,
11863 sdbout_dequeue_anonymous_types): Wrap in macro
11864 SDB_ALLOW_FORWARD_REFERENCES.
11865 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11868 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11870 * stupid.c: Include tm_p.h.
11872 * tree.c (real_value_from_int_cst): Mark parameter with
11875 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11877 * i960-protos.h: New file.
11879 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11882 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11884 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11886 * combine.c (expand_field_assignment): Do not discard SUBREGs
11887 while computing nonzero_bits.
11889 2000-01-09 Nick Clifton <nickc@cygnus.com>
11891 * config/arm/arm.c: Fix compile time warnings about signed vs
11892 unsigned constants.
11893 * config/arm/arm.h: Fix compile time warnings about signed vs
11894 unsigned constants.
11896 2000-01-09 Philip Blundell <philb@gnu.org>
11898 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11899 than `ldm' with only one register.
11900 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11903 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11906 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11908 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11911 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11913 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11914 assignment used as truth value.
11916 * function.c (assign_temp): Mark parameter `dont_promote' with
11917 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11918 PROMOTE_FOR_CALL_ONLY.
11920 * genrecog.c (write_subroutine): Mark variable `operands' with
11923 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11926 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11927 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11929 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11932 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11934 * config/c4x.h: Tidy up comments.
11935 * config/c4x.c: Likewise.
11937 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11939 * fold-const.c (lshift_double, rshift_double): Handle
11940 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11942 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11944 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11945 in prepare_function_start().
11947 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11949 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11950 longer allocate extra stack for function calls.
11952 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11954 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11956 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11958 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11960 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11962 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11963 * aix43.h: Revert Aug 2 change.
11964 (HAS_INIT_SECTION): Define, not visible yet.
11965 (LD_INIT_SWITCH): Define, not visible yet.
11966 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11968 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11970 * collect2.c (main): Expand ld2 size further.
11971 (export_object_lst): Cast assignment to avoid warning.
11972 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11973 (scan_prog_file, COFF): Do not collect initialization or
11974 finalization functions generated for entire shared object if
11975 init/fini support present.
11977 2000-01-07 Nick Clifton <nickc@cygnus.com>
11979 * config/elfos.h: Tidy up formatting of marcos. Make sure
11980 that .section directives are always prefixed by a tab.
11982 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11985 2000-01-07 Matt Austern <austern@sgi.com>
11987 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11990 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11992 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11994 (crtbegin.o, s-crtS): Likewise.
11996 2000-01-06 Richard Henderson <rth@cygnus.com>
11998 * alpha.md (adddi_2+1): Limit offset such that it will be
11999 loadable with a single ldah+lda pair.
12000 (adddi_2+2): Explicitly fail split if we can't make it work.
12002 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
12004 * protoize.c: Conditionally include unistd.h.
12005 (IS_SAME_PATH_CHAR): New macro.
12006 (IS_SAME_PATH): New macro.
12007 (CPLUS_FILE_SUFFIX): New macro.
12008 (cplus_suffix): New static variable.
12009 (is_abspath): New static function.
12010 (in_system_include_dir): Handle DOS style pathnames.
12011 (file_could_be_converted): Likewise.
12012 (file_normally_convertible): Likewise.
12013 (directory_specified_p): Likewise.
12014 (file_excluded_p): Likewise.
12015 (abspath): Likewise.
12016 (shortpath): Likewise.
12017 (referenced_file_is_newer): Likewise.
12018 (save_def_or_dec): Likewise.
12019 (do_processing): Likewise.
12021 (edit_file): Likewise. Use rename instead of link.
12022 (rename_c_file): Likewise. Don't rename syscalls file.
12023 (munge_compile_params): Define null device for DOS based systems.
12024 (process_aux_info_file): Use binary mode if appliable.
12025 (edit_file): Likewise.
12026 * invoke.texi (Running Protoize): Document C++ suffixes used.
12028 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
12029 IS_DIR_SEPARATOR macros.
12030 * collect2.c: Likewise.
12031 * cppinit.c: Likewise.
12032 * dwarf2out.c: Likewise.
12034 * gcov.c: Likewise.
12035 * prefix.c: Likewise.
12037 * toplev.c: Likewise.
12038 * system.h: And move to here.
12040 * prefix.c (update_path): Fix typo in variable name.
12042 2000-01-06 Richard Henderson <rth@cygnus.com>
12044 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
12045 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
12046 (count_reg_sets_1, count_reg_references): Likewise.
12047 (flow_loops_level_compute): Start counting actual loop depth at 1.
12048 (flow_loops_find): Likewise.
12049 * local-alloc.c (update_equiv_regs): Likewise.
12050 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
12052 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12054 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12055 FIRST_PSEUDO_REGISTER
12056 * dwarf2out.c: Don't include frame.h
12057 * dwarfout.c: Likewise
12058 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12061 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12063 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12066 * i386.c (movsf splitter): Fix typo in my last checkin.
12068 2000-01-05 Nick Clifton <nickc@cygnus.com>
12070 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12071 own definition of this macro.
12072 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12073 flag_data_sections or UNIQUE_SECTION_P are true.
12075 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12076 unitialised data decls.
12078 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12079 being called for uninitialised data.
12081 * config/i386/interix.c (i386_pe_unique_section): Cope with
12082 being called for uninitialised data.
12084 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12085 for uninitialised data.
12087 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12088 for uninitialised data.
12090 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12091 for uninitialised data.
12093 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12094 (UNIQUE_SECTION_P): Always generate a unique section if
12095 flag_data_sections is true.
12096 (UNIQUE_SECTION): Also generate unique sections for
12097 uninitialised data.
12098 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12099 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12102 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12104 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12107 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12109 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12110 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12111 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12112 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12113 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12115 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12117 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12119 * c-decl.c (finish_enum): Simplify code to determine minimum and
12120 maximum values of the enum, and calculate the type. Remove check
12121 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12122 the DECL_INITIAL of each enumeration constant with a copy converted
12123 to the enumeration type. When updating variant types, don't bother
12124 updating the type itself.
12126 * c-typeck.c (build_binary_op): Simplify conditional expressions
12127 when weeding out spurious signed-unsigned warnings. Add new
12128 spurious warning category: if the unsigned quantity is an enum
12129 and its maximum value fits in signed_type(result_type). Update
12131 (build_conditional_expr): Warn here if one alternative is signed
12132 and the other is unsigned.
12134 2000-01-05 Nick Clifton <nickc@cygnus.com>
12136 * config/fr30/fr30.h: Remove extraneous comments.
12138 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12140 * reload1.c (choose_reload_regs): When disabling a reload, also
12141 set reload_spill_index to -1.
12143 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12145 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12147 (m68*-*-rtemself*): New target.
12148 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12149 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12150 (sparc*-*-rtemself*): New target.
12151 (sparc*-*-rtems*): Now elf not a.out.
12152 * config/i386/rtems.h: Include config/rtems.h.
12153 * config/i386/rtemself.h: Include config/rtems.h.
12154 * config/i960/rtems.h: Include config/rtems.h.
12155 * config/m68k/rtems.h: Include config/rtems.h.
12156 * config/m68k/rtemself.h: Include config/rtems.h.
12157 * config/mips/rtems64.h: Include config/rtems.h.
12158 * config/pa/rtems.h: Include config/rtems.h.
12159 * config/rs6000/rtems.h: Include config/rtems.h.
12160 * config/sh/rtems.h: Include config/rtems.h.
12161 * config/sh/rtemself.h: Include config/rtems.h.
12162 * config/sparc/rtems.h: Include config/rtems.h.
12163 * config/sparc/rtemself.h: Include config/rtems.h
12165 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12167 * final.c (shorten_branches): Correctly compute length of
12168 asms without operands.
12170 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12172 * configure.in: Add pj target.
12173 * configure: Regenerate.
12174 * config/pj: New directory.
12175 * config/pj/lib1funcs.S: New file.
12176 * config/pj/linux.h: New file.
12177 * config/pj/pj.c: New file.
12178 * config/pj/pj.md: New file.
12179 * config/pj/pjl.h: New file.
12180 * config/pj/t-pj: New file.
12181 * config/pj/xm-pj.h: New file
12183 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12185 * toplev.c (rest_of_compilation): Run shorten-branches before
12188 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12190 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12191 macros so that they're consistent with their names.
12192 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12193 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12195 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12197 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12198 modified inadvertently.
12200 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12202 * configure.in (v850*-*-rtems*): New target.
12203 * configure: Regenerate.
12204 * config/v850/rtems.h: New file.
12206 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12208 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12209 (__gthread_key_create): Likewise.
12210 (__gthread_key_dtor): Likewise.
12211 (__gthread_once): Fix logic.
12212 (__gthread_key_delete): Cast away constness.
12214 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12215 * invoke.texi: Document.
12216 * i386/mingw32.h (CPP_SPEC): Use.
12217 (LIBGCC_SPEC): Likewise.
12218 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12220 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12222 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12223 (HANDLE_PRAGMA_PACK): Undefine.
12224 (SLOW_UNALIGNED_ACCESS): Define.
12226 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12228 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12229 to default definition.
12230 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12231 (store_fixed_bit_field): Call macro with word_mode and alignment.
12232 (extract_bit_field): Call macro with relevant mode and alignment.
12233 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12234 to default definition.
12235 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12237 (move_by_pieces_ninsns): Likewise.
12238 (clear_by_pieces): Likewise.
12239 (emit_push_insn): Likewise.
12240 (store_field): Call macro with relevant mode and alignment.
12241 (expand_expr): Likewise.
12242 (expand_expr_unaligned): Likewise.
12244 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12245 (SLOW_UNALIGNED_ACCESS): Define.
12246 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12247 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12248 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12249 (toc_section): Likewise and .toc pseudo-op.
12250 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12252 (TEXT_SECTION_ASM_OP): Likewise.
12253 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12256 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12257 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12258 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12259 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12260 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12262 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12264 * regclass.c: Revert my Jan 4 change to loop cost computation.
12266 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12268 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12271 2000-01-04 Stan Cox <scox@cygnus.com>
12273 * haifa-sched.c (build_control_flow): Change unreachable simple
12274 loop test to check if current block has only one predecessor.
12275 (find_rgns): Initialize degree. Use dest as degree index, not src.
12277 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12279 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12281 * calls.c (expand_call): Likewise for
12282 `old_stack_arg_under_construction'.
12284 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12286 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12289 * gcc.c (execute): Likewise for `ut' and `st'.
12291 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12293 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12295 * jump.c (jump_optimize_1): Likewise for `temp2'.
12297 * local-alloc.c (block_alloc): Likewise for `r1'.
12299 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12301 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12302 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12304 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12307 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12308 and `goal_earlyclobber'.
12310 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12312 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12314 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12316 * unroll.c (copy_loop_body): Likewise for `copy'.
12318 * varasm.c (output_constructor): Likewise for `byte'.
12320 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12322 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12323 all FP constants for constant->reg moves.
12324 (ix86_split_to_parts): Try to convert memory address into immediate
12325 when available in the constant pool.
12326 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12328 (LEGITIMATE_CONSTANT_P): Return 1.
12329 * i386.md (pushsf): New splitter to convert constant pool memory
12330 reference to immediate.
12331 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12334 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12336 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12337 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12338 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12339 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12340 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12342 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12344 * ginclude/stdbool.h: Support compilation as C++.
12346 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12348 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12350 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12352 * regclass.c (regclass): Properly compute loop_cost. Adjust
12355 * regclass.c: Fix minor whitespace problems.
12357 2000-01-03 Anthony Green <green@cygnus.com>
12359 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12360 Restore the pic register if required.
12362 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12364 * c-common.c (format_char_info): Update comment.
12365 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12366 was recognized. Emit warning for formats new in ISO C99 only
12367 if flag_isoc9x is not set.
12369 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12371 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12373 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12375 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12376 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12377 (make_compound_operation): Choose cheaper alternative between
12378 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12380 * regclass.c (op_costs): Remove global variable.
12381 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12382 (record_operand_costs): Break out from ...
12383 (scan_one_insn): ... here.
12384 (dump_regclass): Make dumps nicer.
12385 (regclass): Dump preferrences choosed and changes done during passes.
12387 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12389 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12391 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12393 * config/sparc/sparc.c (gen_df_reg): New function.
12394 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12395 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12396 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12397 movtf_cc_reg_sp64+1): Use it.
12399 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12401 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12402 copied LABEL_DECLs.
12404 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12406 * config/i386/i386.c (ix86_expand_unary_operator): Function
12407 definition made void.
12408 (ix86_expand_binary_operator): Update outdated preceding comment.
12409 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12412 * config/i386/i386.c (override_options): Fix option-name typo.
12414 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12416 * system.h (CEIL): Define.
12417 * builtins.c (CEIL): Remove.
12418 * expmed.c (CEIL): Likewise.
12419 * expr.c (CEIL): Likewise.
12420 * stor-layout.c (CEIL): Likewise.
12422 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12424 * expr.c (store_constructor_field): Fix typo introduced with last
12427 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12429 * tree.h (BINFO_N_BASETYPES): New macro.
12431 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12433 * expmed.c (emit_store_flag): Prevent losing a pending stack
12434 adjust the same way we prevent losing queued increments.
12436 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12438 * function.c (update_temp_slot_address): Handle case where sum of
12439 temporary address plus offset in register is a valid address.
12441 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12443 * genrecog.c (change_state) Corrected typo.
12445 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12447 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12448 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12449 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12451 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12453 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12454 case, expand GT comparisons correctly. Fix a comment before this
12457 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12459 * dwarfout.c: Include "frame.h"
12460 * dwarf2out.c: Likewise.
12461 * Makefile.in (dwarfout.o): Depend on frame.h
12462 (dwarf2out.o): Likewise.
12464 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12466 Restore i386 binary compatibility in Dwarf EH info.
12467 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12468 value of FIRST_PSEUDO_REGISTER.
12469 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12470 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12471 * dwarfout.c (output_reg_number): Ditto.
12472 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12473 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12475 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12477 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12478 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12479 (<hack>_RE_CT): not needed
12480 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12481 rewritten to scan the file text once only
12482 "template<..." test added
12483 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12484 (is_cxx_header): declaration added
12485 * fixinc/fixtests.c(is_cxx_header): removed
12486 (apply_fix_p_t): removed
12487 (double_slash_test): is_cxx_header is only called once now
12488 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12489 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12490 within the templates.
12491 The borken spelling of "broken" was fixed.
12492 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12493 The default level depends on FIXINC_DEBUG.
12495 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12497 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12498 Otherwise provide a declaration for atexit.
12499 (init_dummy): Make sure dummy call to atexit is nevertheless
12500 called with correct number of args.
12502 * frame.c: Update comments referring to other files.
12504 * libgcc2.c: Likewise.
12506 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12508 * cse.c (free_element, get_element): Remove unused prototypes.
12510 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12513 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12516 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12518 * configure.in,configure: case arm for mn10200-*-* now sets
12519 float_format=i32 so that float.h will correctly claim "double"
12520 to be 32 bits. Ran autoconf to generate configure from .in file.
12522 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12524 * pa.md (conditional zero): If op1 is a register, force it into
12525 the same register as op0.
12527 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12529 * tree.h (BINFO_BASETYPES): Improve documentation.
12531 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12533 * configure.in (--enable-checking): Use a more portable `for'
12536 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12538 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12539 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12541 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12544 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12545 Delete descriptions.
12547 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12548 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12549 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12550 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12551 xm-svr4.h: Remove all instances of sys_siglist handling.
12553 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12555 * config/sparc/sparc.md (cmp_zero_qi,
12556 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12557 cmp_zero_extendqidi2_andcc_set): New patterns.
12559 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12561 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12562 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12563 (fpgnulib.c, xfgnulib.c): Add rules.
12564 * m68k/t-mot3300-gas: Likewise.
12566 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12568 * configure.in: Avoid [[ by using test and changequote. Add
12569 changequote required by 1999-12-14 change.
12570 * configure: Rebuild.
12572 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12574 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12576 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12578 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12579 * flow.c (find_use_as_address): Likewise.
12580 * function.c (fixup_var_refs_1): Likewise.
12581 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12582 * jump.c (invert_exp, redirect_exp): Likewise.
12583 * loop.c (replace_call_address): Likewise.
12584 (count_nonfixed_reads): Likewise.
12585 * rtlanal.c (modified_between_p): Likewise.
12586 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12587 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12588 * unroll.c (remap_split_bivs): Likewise.
12590 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12592 * diagnostic.c (v_message_with_decl): Use .* format specifier
12593 instead of building the format specifier width manually.
12595 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12596 determining whether to provide a prototype. Remove the
12597 sys_siglist clause in the conditional.
12599 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12601 * fold-const.c (operand_equal_p): Use memcmp to compare string
12603 Suggested by D. J. Bernstein
12605 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12607 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12608 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12610 * config/mips/mips.h (TARGET_64BIT): Likewise.
12611 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12612 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12613 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12614 dsps. Give routines proper names if SI/DI modes are not used.
12615 * longlong.h: Use DWunion instead of DIunion.
12617 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12619 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12620 GC_CHECKING, GC_ALWAYS_COLLECT.
12621 * configure.in: Allow --enable-checking with an argument
12622 listing check modes to enable.
12623 * config.in, configure: Rebuilt.
12624 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12625 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12626 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12627 ENABLE_GC_ALWAYS_COLLECT.
12628 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12630 * tree.h, tree.c: Change ENABLE_CHECKING to
12631 ENABLE_TREE_CHECKING throughout.
12633 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12635 * fold-const.c (fold_truthop): Properly check for FP RHS.
12637 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12639 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12640 * toplev.c (note_deferral_of_defined_inline_function): New
12641 function, split out from ...
12642 (rest_of_compilation): ... here. Use it.
12644 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12646 * expr.c (store_constructor): Don't call clear_storage if size is
12649 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * Makefile.in (toplev.o): Depend on loop.h.
12653 * dwarfout.c: Include tm_p.h.
12655 * emit-rtl.c (restore_emit_status): Mark parameter with
12658 * final.c (final_scan_insn): Likewise.
12660 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12661 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12662 flow_depth_first_order_compute, flow_loop_pre_header_find,
12663 flow_loop_tree_node_add, flow_loops_tree_build,
12664 flow_loop_level_compute, flow_loops_level_compute,
12665 flow_loop_outside_edge_p): Add prototypes.
12666 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12668 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12669 Mark with ATTRIBUTE_NORETURN.
12671 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12673 * local-alloc.c (no_conflict_p): Likewise.
12675 * loop.c (insert_bct): Hide definitions of variables with hidden
12677 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12679 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12680 with ATTRIBUTE_UNUSED.
12681 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12682 (reg_scan): Likewise.
12684 * reload.c (find_reloads): Remove unused variables `changed'.
12686 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12688 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12689 Remove unused variable `insn'.
12691 * toplev.c: Include loop.h.
12692 (report_file_and_line): Remove unnecessary prototype.
12694 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12696 * unroll.c (biv_total_increment): Likewise.
12698 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12700 * reload1.c (emit_input_reload_insns): Restore old behaviour
12701 wrt. 'special' reloads.
12703 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12705 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12706 hash.h. (cse.c): Don't depend on hashtab.h.
12708 * cse.c: Don't include hashtab.h.
12709 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12711 * ggc-simple.c: Don't include hash.h.
12713 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12715 * dwarf2out.c (add_abstract_origin_attribute): Call
12716 gen_abstract_function on our function context.
12718 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12720 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12722 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12724 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12727 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12729 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12730 constraints to "a!r".
12732 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12734 * Makefile.in (calls.o): Depend on function.h.
12735 (alias.o): Likewise.
12737 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12739 * reload1.c (emit_reload_insns): Break out code and variables into...
12740 (input_reload_insns, other_input_address_reload_insns,
12741 other_input_reload_insns, input_address_reload_insns,
12742 inpaddr_address_reload_insns, output_reload_insns,
12743 output_address_reload_insns, outaddr_address_reload_insns,
12744 operand_reload_insns, other_operand_reload_insns,
12745 other_output_reload_insns): ... new static variables, and...
12746 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12747 do_output_reload): ... new functions.
12749 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12751 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12753 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12755 * md.texi: Add c4x constraints documentation.
12757 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12759 * config/i386/dgux.c (struct option): Rename to
12760 lang_independent_option.
12761 (struct m_options): Add description field.
12762 (output_options): Rename option type, add sep declaration, output
12763 ix86_cpu_string and ix86_arch_string only if set.
12764 (output_file_start): Rename option type.
12766 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12768 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12770 (libgcc2.a): Similarly.
12772 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12774 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12775 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12776 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12778 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12780 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12781 Remove redundant initialization of "frexpon" and "expon".
12783 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12785 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12787 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12788 (store_constructor_field, expand_expr): Pass new arg.
12790 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12792 * Makefile.in (explow.o): Depend on function.h.
12794 * stor-layout.c (set_sizetype): Fix typo.
12796 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12798 * function.c (cfun): Renamed from current_function. All users
12800 * function.h (cfun): Rename declaration as well.
12802 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12803 to be of type regset_head, not regset. All users changed by adding
12805 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12807 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12809 * config/c4x/rtems.h: New file.
12811 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12813 * reload1.c (spill_failure): Take class of failed reload as argument
12814 and print it. Caller changed.
12816 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12818 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12819 (TARGET_SWITCHES): Allow subtargets to default switches.
12820 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12822 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12824 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12827 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12829 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12830 * cppinit.c (cpp_handle_option): Likewise.
12832 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12833 determine when to define.
12835 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12837 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12838 cmove with mismatched test and data modes.
12840 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12842 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12845 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12847 * alias.c: Minor reformatting.
12848 * flow.c: Likewise.
12849 * regs.h: Likewise.
12850 * stor-layout.c: Likewise.
12851 * fold-const.c: Likewise.
12852 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12853 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12855 (size_int_wide): Cache nodes even if garbage collecting.
12856 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12857 of SAVE_EXPR has no side effects.
12858 * cse.c: Move a comment.
12859 * tree.c: Minor reformatting.
12860 (int_size_in_bytes): Return -1 if constant overflows.
12862 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12864 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12866 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12868 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12869 after any change to c-parse.in, even if objc-parse.y didn't
12872 1999-12-18 David S. Miller <davem@redhat.com>
12874 * toplev.c (rest_of_compilation): Restore BLOCK tree
12875 reconstruction and branch shortening changes lost in
12876 December 18th change.
12878 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12880 * config/arm/linux-elf.h: Change all instances of
12881 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12882 * config/arm/uclinux-elf.h: Likewise.
12884 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12886 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12887 v_message_with_decl, file_and_line_for_asm,
12888 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12889 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12890 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12891 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12892 pfatal_with_name, fatal_io_error, need_error_newline,
12893 last_error_function, last_error_tick, announce_function,
12894 default_print_error_function, print_error_function,
12895 report_error_function, fnotice, error_with_file_and_line,
12896 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12897 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12898 warning_with_decl, warning_for_asm, warning, pedwarn,
12899 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12901 (compile_file): Use fnotice instead of notice. Adjust call.
12903 * diagnostic.c: New file.
12905 * Makefile.in (OBJS): Include diagnostic.o
12906 (diagnostic.o): Define dependence.
12908 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12910 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12913 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12915 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12917 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12919 * fixtests.c (is_cxx_header): New fn, split out of
12921 (else_endif_label): Allow "#endif // comment" in C++ headers,
12922 as determined by is_cxx_header.
12923 * fixfixes.c (else_endif_label_fix): Update comment.
12924 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12926 * genfixes: Correct double thinko in commandline parsing.
12927 * hackshell.tpl: Generate correct sh syntax for bypass
12930 * inclhack.def (all): Whenever an inserted preprocessor
12931 conditional is split over multiple lines, use double
12932 backslashes in this file so the fixed header will be readable.
12934 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12935 and add bypass entry for correct version of this header.
12936 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12937 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12939 (hpux8_bogus_inlines): New fix, split from...
12940 (ultrix_atof_param) ... here.
12941 (math_expression): Add bypass entry keyed to glibc comment
12942 indicating the problem has been dealt with; disable
12943 unnecessary sed operations; update commentary.
12944 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12945 add select and bypass entries, simplify shell operation.
12946 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12948 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12949 ultrix_atof_param): Add select entry.
12950 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12951 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12952 comments with the fixes they describe.
12954 * c-parse.in (string action): Do not warn about ANSI string
12955 concatenation in system headers. Affects C parser only.
12956 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12958 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12960 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12961 compiling libgcc2 the macro depends always on arch cpp defines.
12963 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12965 * loop.c (insert_loop_mem): Don't record MEMs from inside
12968 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12970 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12972 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12973 notes too, create one when replacement failed, attempt to simplify
12975 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12976 or REG_EQUIV notes.
12978 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12980 * crtstuff.c (__dso_handle): Declare.
12981 (__cxa_finalize): Likewise.
12982 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12985 * invoke.texi: Document -fuse-cxa-atexit.
12987 * tree.h (ptr_type_node): Document.
12988 (const_ptr_type_node): Likewise.
12990 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12992 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12993 (optimize_reg_copy_2): Likewise.
12994 (optimize_reg_copy_3): Likewise.
12995 (fixup_match_2): Likewise.
12996 (regmove_optimize): Likewise.
12997 (fixup_match_1): Liekwise.
12999 * i386.md (HI to SImode promoting splitters): Rewrite.
13000 (pushsf mem peep2): New.
13001 (testhi to andhi peep2): Remove.
13002 * i386.h (x86_promote_QImode): New.
13003 (TARGET_PROMOTE_QImode): New.
13004 (PREDICATE_CODES): Add promotable_binary_operator.
13005 * i386.c (x86_promote_QImode0: New.
13006 (promotable_binary_operator): New.
13007 * i386-protos.h (promotable_binary_operator): New.
13009 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
13011 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
13013 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13015 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
13016 * function.c (insert_block_after_note): Remove.
13017 (retrofit_block): Likewise.
13018 (identify_blocks): Fix indentation.
13019 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
13020 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
13021 * function.h (insert_block_after_note): Remove prototype.
13022 (retrofit_block): Likewise.
13023 * integrate.c (expand_inline_function): Don't call
13024 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
13025 just expand_start_bindings. Use the block_map to remap old
13026 NOTE_BLOCKs to new ones.
13027 (integrate_decl_tree): Keep track of remapped blocks.
13028 * integrate.h (struct inline_remap): Add block_map.
13029 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
13030 NOTE_BLOCK on the notes.
13031 (expand_start_bindings): Rename to ...
13032 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
13033 (expand_end_bindings): Set NOTE_BLOCK.
13034 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
13035 reconstruct the BLOCK tree.
13036 * tree.h (expand_start_bindings): Macroize. Call ...
13037 (expand_start_bindings_and_block): New function.
13039 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13041 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
13042 to match the format.
13044 1999-12-16 David S. Miller <davem@redhat.com>
13046 * expr.c (emit_move_insn_1): Only emit clobbers if one of
13047 the outputs is a SUBREG.
13048 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
13051 * config/sparc/sparc.c (epilogue_renumber): Add default case
13054 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13056 * toplev.c (rest_of_compilation): Run branch shortening after
13059 * regclass.c (loop_depth): Remove
13060 (scan_one_insn): Do not handle LOOP_NOTE insns.
13061 (regclass): Go through basic blocks and set loop_cost
13063 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13065 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13067 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13069 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13070 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13071 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13073 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13075 * loop.c (insert_loop_mem): Ignore memory clobbers.
13077 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13080 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13082 * profile.c: Remove redundant #include "output.h".
13084 * h8300.md (HImode preinc peephole): Fix typo.
13086 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13088 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13089 (insert_block_after_note): Abort if we don't have a previous block.
13090 Remove FN parameter.
13091 * function.h: Adjust.
13093 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13095 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13096 argument more than once.
13098 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13100 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13102 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13104 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13106 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13108 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13109 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13110 update stack_alignment_needed.
13111 (prepare_function_start): Initialize stack_alignment_needed
13112 * function.h (struct function): Add field stack_alignment_needed.
13114 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13116 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13117 Handle live_throughout / dead_or_set instead of live_before /
13119 (save_call_clobbered_regs): Get register livenessinformation from
13120 chain->live_throughout.
13121 (add_stored_regs): New function.
13122 (insert_restore, insert_save): Add restored / saved registers to
13124 * global.c (reg_dies): New parameter chain.
13125 (reg_becomes_live): Third parameter is regs_set now.
13126 Changed all callers.
13127 (reg_dies): New parameter chain. Changed all callers.
13128 (build_insn_chain): Set live_throughout instead of
13129 live_before / live_after.
13130 * reload.h (struct insn_chain): Replace members live_before /
13131 live_after with live_throughout / dead_or_set.
13132 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13133 instead of live_before / live_after.
13134 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13135 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13136 (choose_reload_regs_init): Likewise.
13137 * stupid.c (current_chain, find_clobbered_regs): Delete.
13138 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13139 instead of chain->live_before / chain->live_after.
13140 (mark_hard_ref): New function.
13141 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13143 1999-12-15 David S. Miller <davem@redhat.com>
13145 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13147 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13149 * flow.c (calculate_loop_depth): Make global, remove prototype,
13150 rewrite to use new loop infrastructure.
13151 (find_basic_block): Remove calculate_loop_depth call.
13152 * toplev.c (rest_of_compilation): Call find_basic_block.
13153 * output.h (calculate_loop_depth): Declare.
13155 * flow.c (dump_flow_info): Dump loop_depth.
13156 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13158 (flow_loops_find): Initialize the loop_depth for each basic block.
13160 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13162 * tree.c (decl_function_context): Handle virtual functions.
13164 * tlink.c (scan_linker_output): Don't look in demangled name when
13165 looking for linker output keywords.
13167 * dwarfout.c (output_type): We can defer namespace-scope classes.
13169 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13171 * regclass.c (record_reg_classes): Update comment for merging
13172 register class preferences in reg->reg copies. Tighten conditions
13173 for merging register class preferences in reg->reg copies.
13175 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13177 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13179 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13181 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13182 (INIT_SECTION_ASM_OP): Delete.
13183 (FINI_SECTION_ASM_OP): Delete.
13184 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13186 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13188 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13189 the abstract origin wasn't emitted.
13191 * dwarf2out.c (class_scope_p): New fn.
13192 (gen_subprogram_die): Use it.
13193 (gen_variable_die): Use it. Tweak logic.
13194 (gen_struct_or_union_type_die): Check context_die to determine
13195 if we're function-local.
13196 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13198 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13200 * loop.c (check_dbra_loop): Can't reverse a biv that has
13201 maybe_multiple set.
13203 1999-12-14 Nick Clifton <nickc@cygnus.com>
13205 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13208 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13210 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13211 for givs made from biv increments.
13213 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13215 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13216 * alpha.c (override_options): Recognize -mcpu=ev67.
13217 * alpha.h (CPP_CPU_EV67_SPEC): New.
13218 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13219 (EXTRA_SPECS): Update.
13221 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13223 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13224 appropriate for -lang-c89 and -std=*.
13225 * cppinit.c (cpp_handle_option): Likewise.
13226 (new_pending_define): New, split out from cpp_handle_option.
13227 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13228 or enable trigraphs for -ansi/-std=*.
13230 * ginclude/stdarg.h (__va_copy): New.
13231 (va_copy): Don't define for C89.
13233 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13235 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13236 for long long multiply-accumulate.
13238 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13240 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13241 optimizing for size.
13243 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13245 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13246 if something changed. Back out that part of yesterday's changes.
13248 * loop.c (loop_max_reg): New static variable.
13249 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13251 (scan_loop): Call reg_scan_update whenever we may have added new
13252 registers, and update loop_max_reg.
13254 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13256 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13257 when source does not die.
13259 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13261 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13263 * config/sparc/linux64.h (TARGET_LIVE_G0,
13264 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13266 * config/sparc/linux.h (TARGET_LIVE_G0,
13267 TARGET_BROKEN_SAVERESTORE): Likewise.
13268 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13269 TARGET_BROKEN_SAVERESTORE): Likewise.
13271 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13272 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13274 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13275 as sparc64 block profiling register.
13276 * config/sparc/sparc.c (sparc_override_options): Allow block
13277 profiling with -m32.
13278 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13279 profiling register.
13280 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13281 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13282 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13284 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13286 * config/sparc/sparc.h: Likewise.
13287 * config/sparc/xm-sysv4-64.h: Likewise.
13288 * config/float-sparc.h: Likewise.
13289 * glimits.h: Likewise.
13290 * longlong.h: Likewise.
13292 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13293 (ASM_IDENTIFY_GCC): Remove.
13295 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13297 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13298 (simplify_logical): Likewise.
13300 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13302 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13303 * cppfiles.c (INO_T_EQ): Likewise.
13305 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13307 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13308 * i386/mingw32.h (LIB_SPEC): Likewise.
13309 (STARTFILE_SPEC): Likewise.
13310 * i386/uwin.h (LIB_SPEC): Likewise.
13311 (STARTFILE_SPEC): Likewise.
13313 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13314 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13316 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13318 * combine.c (combine_simplify_rtx): Fix order of checks for
13319 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13321 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13323 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13324 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13326 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13328 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13330 * regclass.c (inv_reg_alloc_order): New array.
13331 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13333 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13334 counted_for_groups, counted_for_nongroups. Add fields rld and
13336 * reload.c (push_secondary_reload): Don't set nongroup field of
13338 (push_reload): Likewise.
13339 (find_reloads): Delete code to compute nongroup fields.
13340 * reload1.c (reload_insn_firstobj): New static variable.
13341 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13343 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13344 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13345 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13347 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13349 (struct hard_reg_n_uses): Deleted.
13350 (potential_reload_regs): Deleted.
13351 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13352 (reload): Don't try to allocate reload registers if we already know
13353 we have to make another pass. Call select_reload_regs. Free memory
13354 starting with reload_firstobj when starting another pass.
13355 Don't allocate spilled_pseudos.
13356 (calculate_needs_all_insns): Call copy_reloads for an insn that
13357 needs reloads; don't call calculate_needs.
13358 (spill_cost): New static array.
13359 (used_spill_regs_local): New static variable.
13360 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13361 to compute potential_reload_regs.
13362 (find_reload_regs): Completely rewritten to use find_reg.
13363 (allocate_reload_reg): Don't test counted_for_groups or
13364 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13365 all cllers changed.
13366 (choose_reload_regs): Add fallback code that uses the existing
13367 register allocation from find_reload_regs.
13369 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13371 * flow.c (create_edge_list): Cast xmalloc return value.
13373 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13375 * doprnt.c: Remove incorrect comment closure.
13377 * cse.c: Fix a few minor whitespace goofs.
13379 1999-12-13 Don Bowman <don@pixstream.com>
13381 * mips/vxworks.h: Fix problem with comment termination.
13382 (EXTRA_SECTIONS): Add in_sbss.
13383 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13385 1999-12-12 David S. Miller <davem@redhat.com>
13387 * cse.c (struct cse_reg_info): Add hash_next member,
13388 reorder rest of struct for better packing on 64-bit
13390 (cse_reg_info_tree): Kill.
13391 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13392 REGHASH_FN): New custom pow2 hash mechanism.
13394 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13395 use a pow2 hash table.
13396 (get_cse_reg_info): Rework to use new REGHASH.
13397 (new_basic_block): Likewise, use HASH_SIZE, and inline
13399 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13400 and inline free_element call.
13401 (lookup_as_function, insert, flush_hash_table, invalidate,
13402 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13403 invalidate_for_call, use_related_value, find_comparison_args,
13404 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13405 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13406 get_element): Kill.
13408 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13410 * cse.c (cse_basic_block): Free qty_table consistently.
13412 1999-12-12 David S. Miller <davem@redhat.com>
13413 Jakub Jelinek <jakub@redhat.com>
13415 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13416 SUBREGs by hand, gen the appropriate hard reg directly.
13417 (movtf reg/mem split): Likewise and alter_subreg on destination
13419 (movtf mem/reg split): Similarly.
13420 (movdf_cc_sp64): Rename from hidden pattern.
13421 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13422 (movtf_cc_sp64, following split): New pattern and splitter.
13423 (movdf_cc_reg_sp64): Rename from hidden pattern.
13424 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13426 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13428 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13430 * loop.c (load_mems): Don't hoist written floating point mem
13433 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13435 * except.h (struct eh_queue): Add `next' pointer.
13436 (struct eh_status): Make x_ehqueue a pointer.
13437 (push_ehqueue): Declare.
13438 (pop_ehqueue): Likewise.
13439 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13441 (expand_fixup_region_end): Likewise.
13442 (expand_leftover_cleanups): Likewise.
13443 (push_ehqueue): Define.
13444 (pop_ehqueue): Likewise.
13445 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13446 than doing it inline.
13447 (expand_start_all_catch): Adjust now that ehqueue is a
13449 (mark_eh_queue): Mark all level of the queue.
13450 (mark_eh_status): Adjust now that ehqueue is a
13452 (init_eh_for_function): Allocate ehqueue.
13453 (free_eh_status): Free it.
13454 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13455 expansion for a fixup.
13457 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13459 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13461 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13462 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13463 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13464 function_ptr, getpagesize, __enable_execute_stack,
13465 __enable_execute_stack, __clear_insn_cache,
13466 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13467 _cleanup, _exit, __default_terminate, __terminate_func,
13468 __terminate, __empty, __throw, new_eh_context,
13469 eh_context_initialize, eh_context_static, eh_context_specific,
13470 get_eh_context, __get_eh_context, __get_eh_info,
13471 init_reg_size_table, eh_threads_initialize,
13472 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13473 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13474 __pure_virtual): Add prototype arguments.
13475 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13476 Cast a signed value to unsigned long when comparing against one.
13477 (new_eh_context): Wrap in _GTHREADS macro.
13478 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13480 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13481 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13483 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13485 * combine.c (record_promoted_value): Remove unused variable
13488 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13490 * global.c (record_conflicts): Likewise for `j'.
13492 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13495 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13497 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13498 output_fp_compare): Constify a char*.
13500 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13502 (override_options, ix86_comp_type_attributes, print_operand,
13503 output_387_binary_op, output_fix_trunc, output_fp_compare):
13505 (ix86_sched_reorder): Mark parameter `clock_var' with
13508 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13510 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13512 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13513 operand, for use in the Java front-end.
13515 1999-12-10 Ben Collins <bcollins@debian.org>
13517 * configure.in: Fix typo for "-64" in 64bit as check.
13518 * configure: Rebuilt.
13520 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13522 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13525 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13527 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13528 concatenation is utilized.
13530 * invoke.texi (-Wtraditional): Document it.
13532 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13534 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13535 Cast a ptrdiff_t to long and pass it to printf with %ld.
13537 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13539 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13540 68881, we have no 68881 registers at all.
13541 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13542 value in a 68881 register if it is available.
13544 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13546 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13547 for long long multiply-accumulate.
13549 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13551 * loop.c (insert_loop_mem): Undo last change.
13553 1999-12-10 David S. Miller <davem@redhat.com>
13555 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13557 * config/sparc/sparc-protos.h: Add them.
13558 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13559 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13560 constraints which use those helpers.
13561 (EXTRA_CONSTRAINT): Use this new macro.
13562 * md.texi: Update sparc target constraints documentation.
13563 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13564 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13565 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13566 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13567 (movsf high/lo_sum split): Rework for new patterns.
13568 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13570 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13572 * c-common.c (c_common_nodes_and_builtins):
13573 Create __builtin_ptrdiff_t and __builtin_size_t.
13575 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13577 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13579 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13581 * regclass.c (globalize_reg): Re-instate test that allows
13582 fixed registers to be declared as a variable even after functions
13585 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13587 * i386.md (cpu attribute): Add "athlon".
13588 (athlon_decode): New attribute.
13589 (Athlon scheduling units definitions): New.
13590 (fcmp and shld patterns): Set athlon_decode to "vector".
13591 * i386.c (athlon_cost): New.
13593 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13594 x86_use_sahf): Set for Athlon.
13595 (x86_use_fiop): Unset for Athlon.
13596 (override_options): Define Athlon alignments and "athlon" name.
13597 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13598 * i386.h (TARGET_ATHLON): New.
13599 (enum processor_type): Add PROCESSOR_ATHLON.
13600 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13602 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13604 1999-12-09 Andreas Jaeger <aj@suse.de>
13606 * loop.c (record_biv): Declare parameter as int.
13608 * config/i386/i386-protos.h: Declare long_memory_operand.
13610 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13612 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13613 EXPR_WITH_FILE_LOCATION.
13615 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13617 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13620 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13622 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13625 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13627 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13628 default on linux64 again.
13629 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13630 models for multilibing.
13631 * genmultilib: Accept | as alternative separator within a set in
13634 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13636 * calls.c (precompute_arguments): Make sure initial_value contains
13637 value pseudo which CSE expects.
13638 * cse.c (struct set): New entry orig_src.
13639 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13642 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13644 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13646 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13648 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13650 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13652 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13653 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13655 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13658 * longlong.h: Merge in changes from glibc.
13659 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13660 -mno-app-regs libgcc can be compiled.
13661 * libgcc2.c: Add defines so that the updated longlong.h
13662 can be used in libgcc2.a. Also, make sure on most architectures
13663 (at least on all which have optimized code in longlong.h defined
13664 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13666 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13668 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13669 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13670 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13672 * configure: Rebuilt.
13674 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13676 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13677 outputs require a register.
13679 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13681 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13682 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13683 functions like dptoul will be resolved.
13684 (libgcc2.a): Make sure that the object files from DPBIT are named
13685 differently (prefix `_dp') from those that would be coming from
13688 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13690 * configure.in: When target is sparc* and tm_file contains 64,
13691 test for 64bit support in assembler. If not supported, remove
13692 sparc/t-sol2-64 from target-dependent Makefile fragments.
13693 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13694 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13695 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13696 * acconfig.h (AS_SPARC64_FLAG): Added.
13697 * configure, config.in: Rebuilt.
13698 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13699 support. Use AS_SPARC64_FLAG.
13701 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13703 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13704 suitable for holding OFmode values so that gcc works with complex
13706 (hard_64bit_mode_classes): Likewise.
13708 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13709 so that it is actually matched.
13710 (sethi_di_medlow): Likewise.
13712 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13713 as legitimate constant if -mvis.
13714 * config/sparc/sparc.md (movtf): Likewise.
13715 (clear_sf): Use const_double_operand.
13716 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13718 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13719 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13720 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13721 routines, _Qp_* cannot be handled like that now.
13722 (INIT_TARGET_OPTABS): Likewise.
13723 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13724 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13725 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13726 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13727 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13728 divtf3, sqrttf3): New expanders.
13729 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13730 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13731 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13734 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13735 * configure: Rebuilt.
13736 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13737 -mcpu is given and we're doing 64bit compiles.
13739 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13741 * loop.h (struct induction): Add multi_insn_incr.
13742 * loop.c (basic_induction_var): New multi_insn_incr argument.
13743 Set it if we search back through previous insns for the biv.
13744 (record_biv): New multi_insn_incr argument; fill in struct induction.
13745 (strength_reduce): Discard an iv with multiple bivs, any of
13746 which require multiple insns to increment.
13748 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13750 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13753 1999-12-06 David S. Miller <davem@redhat.com>
13755 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13756 PROMOTE_FUNCTION_RETURN.
13758 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13760 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13761 and handle REG_UNUSED note on insn.
13763 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13764 inner_mask instead of mask.
13766 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13768 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13769 zero if there was an error.
13771 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13773 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13776 * longlong.h: Fix clobbers in SPARC asm statements.
13778 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13779 valid sethi operations when TARGET_ARCH64.
13781 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13782 always use move_by_pieces to avoid infinite recursion.
13783 (restore_fixed_argument_area): Likewise.
13785 * combine.c (check_promoted_subreg, record_promoted_value): New
13787 (combine_instructions): Use them to retain nonzero and sign bit
13788 information after SUBREGs are eliminated by optimizations in
13789 this pass if PROMOTE_FUNCTION_RETURN.
13791 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13792 .register declaration. Don't use variables with __ prefixes.
13794 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13796 * fold-const.c (optimize_bit_field_compare): Only use one mode
13797 for both RHS and LHS in non-constant case.
13799 1999-12-06 Nathan Sidwell <nathan@acm.org>
13801 * frame.c (start_fde_sort): Only allocate erratic array, if
13802 linear one was allocated. Return allocated flag.
13803 (fde_insert): Only insert, if there's a valid array.
13804 (fde_end_sort): Split, sort and merge if linear and erratic
13805 arrays exist, else just sort linear one.
13806 (search_fdes): New function. Linear search through original fde
13808 (frame_init): Permit multiple initializations. Cope with
13810 (find_fde): Fallback on linear search, if failed to sort array.
13811 (__deregister_frame_info): Only free sorted array, if we
13814 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13816 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13818 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13820 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13822 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13824 * tree.h (special_function_p): Declare.
13825 * calls.c (special_function_p): Make it global. Don't take `name'
13826 as a parameter. Fix typo in 1999-11-28 change.
13827 (expand_cal): Adjust.
13829 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13831 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13832 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13833 EXPR_WFL_FILENAME_NODE.
13834 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13836 * print-tree.c (print_note): Print TREE_PRIVATE and
13839 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13840 the original die cannot be found.
13842 * varray.h (varray_head_tag): Add elements_used.
13843 (VARRAY_PUSH): New macro.
13844 (VARRAY_POP): Likewise.
13845 (VARRAY_TOP): Likewise.
13846 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13848 * varray.c (varray_init): Initialize elements_used.
13849 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13850 (INTEGRATE_H): New variable.
13851 (integrate.o): Depend on INTEGRATE_H.
13852 (unroll.o): Likewise.
13854 * function.h (insert_block_after_note): Declare.
13855 * function.c (insert_block_after_note): Split out from ...
13856 (retrofit_block): ... here.
13858 * stmt.c (expand_fixup): Fix typo in comment.
13860 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13862 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13863 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13864 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13865 (regmove_optimize, fixup_match_1): Likewise.
13867 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13869 * flow.c (flow_loops_dump): Add missing argument when calling
13870 flow_loop_nested_p.
13872 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13873 Greg McGary <gkm@gnu.org>
13875 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13876 (init_attributes): Add A_NO_LIMIT_STACK.
13877 (decl_attributes): Handle A_NO_LIMIT_STACK.
13878 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13879 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13880 Handle stack bounds checking.
13881 * flags.h (flag_stack_check): Use the word 'probe' rather than
13882 'check', because the flag doesn't actually cause any checking to
13884 * function.c (expand_function_start): Set
13885 current_function_limit_stack.
13886 * function.h (struct function): Add limit_stack.
13887 (current_function_limit_stack): Define.
13888 * invoke.texi (Code Gen Options): Document new options.
13889 * rtl.h: Declare stack_limit_rtx.
13890 * toplev.c (stack_limit_rtx): New variable.
13891 (decode_f_option): Handle new options -fstack-limit-register=REG,
13892 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13893 (main): Add stack_limit_rtx as GC root.
13894 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13895 (struct tree_decl): New member no_limit_stack.
13897 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13899 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13900 (conditional_trap+1): Get new mnemonic correct.
13901 (conditional_trap+2): New pattern for DImode traps.
13903 * config/m68k/m68k.c (output_function_prologue): Handle
13905 * config/m68k/m68k.md (trap): New insn.
13906 (conditional_trap): New insn.
13907 * md.texi (Standard Names): Document `trap' and
13908 `conditional_trap'.
13909 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13910 so a cc0 setter doesn't get emitted at some random place in the
13913 * config/i960/i960.md (trap): New insn.
13914 (conditional_trap): New expander.
13915 (conditional_trap+1, conditional_trap+2): New insns for signed
13916 and unsigned cases.
13917 * config/i960/i960.c (i960_function_prologue): Use
13918 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13920 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13921 Geoffrey Keating <geoffk@cygnus.com>
13923 * flags.h (warn_padded, warn_packed): Add global var decls.
13924 * toplev.c (warn_padded, warn_packed): Add global var defns.
13925 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13926 * stor-layout.c (layout_record): Add local variable `type'
13927 to hold often-used TREE_TYPE (field). Add local variable
13928 `unpacked_align' to hold alignment that would be in force
13929 if no `packed' attribute were present. Warn if `packed' attribute
13930 is unnecessary, or even harmful. Warn when gcc inserts padding
13931 to satisfy alignment requirements of members. Use NULL_TREE
13932 when checking whether var_size is set.
13933 * invoke.texi: Document new flags.
13935 1999-12-03 Nathan Sidwell <nathan@acm.org>
13937 * frame.c (fde_split): Reimplement to avoid variable sized array.
13939 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13941 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13942 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13944 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13946 * invoke.texi: Document the mips option -mno-crt0
13948 1999-12-02 Mike Karr <mkarr@mathworks.com>
13950 * cccp.c (argdata): Added free_ptr member.
13951 (macroexpand): Initialize free_ptr of each argument. When an
13952 argument's buffers are freed, if the argument's free_ptr corresponds
13953 to a buffer on the input stack, then return the free_ptr to that stack
13954 frame, otherwise, free it.
13955 (macarg): If an argument begins and ends on the same input stack level,
13956 then transfer the free_ptr of that buffer to the argument in case
13957 the stack is popped during the processing of a subsequent argument.
13959 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13961 * loop.c (note_reg_stored): New function.
13962 (struct note_reg_stored_arg): New structure.
13963 (try_copy_prop): Change to be more conservative; only replace within
13964 one extended basic block and stop replacing if a store to the
13965 replacement reg is seen.
13967 1999-12-02 Nick Clifton <nickc@cygnus.com>
13969 * config/fp-bit.c: Initialise all fields of the NAN
13972 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13975 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13977 * i386.md (extend?f?f2): Force the input into a register, not
13980 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13982 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13984 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13985 alternative because setting up 64bit constant is usually costly,
13986 especially when reload is in progress or completed.
13987 (movdf_const_intreg_sp64): Likewise.
13988 (movdf_const_intreg split): Fix building up constants when
13989 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13991 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13993 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13994 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13997 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13998 (asm_file_start): Emit .am33 into assembly file when compiling for
14000 (print_operand_address): Handle POST_INC addresses.
14001 (can_use_return_insn, initial_offset): Check AM33 registers too.
14002 (expand_prologue): Check & save AM33 registers too.
14003 (expand_epilogue): Similarly.
14004 (secondary_reload_class): Handle AM33 specific secondary reloads.
14005 (output_tst): Emit efficient code for the AM33 too.
14006 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
14007 (TARGET_SWITCHES): Add -mam33 switch.
14008 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
14009 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
14010 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
14011 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
14012 (enum reg_class, REG_CLASS_NAMES): Likewise.
14013 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
14014 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
14015 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
14016 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
14017 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
14018 (HAVE_POST_INCREMENT): Define.
14019 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
14020 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
14021 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
14022 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
14023 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
14024 (zero_extend to SI from QI/HI): Likewise.
14025 (sign_extend to SI from QI/HI): Likewise.
14026 (mulsidi3, umulsidi3): New patterns for the AM33.
14027 (tstsi with zero extension from QI/HI): Add AM33 variants.
14028 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
14029 (return_internal_regs, store_movm): Handle new AM33 registers.
14030 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
14031 (LIBGCC, INSTALL_LIBGCC): Likewise.
14032 * invoke.texi: Document new flags.
14034 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14036 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
14037 (addsi3_carry): Likewise.
14038 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
14039 (sbbsi3_carry): Likewise.
14040 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
14041 (mulhi3): Likewise.
14042 (test?i_1): Ensure that only one operand is memory.
14043 (conditional move patterns): likewise.
14044 (shift and rotate patterns): Rewrite to expander, add
14045 "binary_operator_ok" to the condition.
14047 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
14048 * i386.h (procesor_costs): Add movzbl_load field.
14049 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
14050 non-Q registers, accept DImode registers anywhere.
14052 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
14053 * i386.c (*_cost): Set value for movxbl_load field.
14055 * (addsi): New add to lea splitter.
14056 (ashlsi): Likewise.
14057 (lea to add/shift peep2): New.
14059 1999-12-01 Mark Salter <msalter@cygnus.com>
14061 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14062 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14063 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14065 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14067 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14068 * i386.md (movsi_xor): New.
14070 (movsi_1, movhi_1, movqi_1): Remove.
14071 (movsi_2): Rename to movsi_1.
14072 (movhi_2): Rename to movhi_1.
14073 (movqi_2): Rename to movqi_1.
14074 (movdi_1): Remove; remove splitter.
14075 (movdi_2): Rename to movdi_1.
14076 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14077 (long move peep2): Do not create QI or HI mode mov0s
14078 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14080 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14083 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14084 (abs?f2_if): Likewise.
14086 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14088 * ggc.h (ggc_test_and_set_mark): New macro.
14089 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14090 (ggc_mark_tree): Likewise.
14091 (ggc_mark_rtvec): Likewise.
14092 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14094 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14096 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14098 (decl_scope_table): Just an array of trees now.
14099 (push_decl_scope): Simplify.
14100 (dwarf2out_init): Adjust.
14101 (local_scope_p): New fn.
14102 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14103 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14104 (gen_typedef_die): Likewise.
14105 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14106 (gen_inlined_subroutine_die): Likewise.
14107 (gen_abstract_function): Set current_function_decl temporarily.
14108 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14109 Handle block extern declarations. Don't call push/pop_decl_scope.
14110 (gen_decl_die): Fix logic for block externs.
14112 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14114 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14115 to the list of functions which have attribute malloc by default.
14117 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14119 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14120 integer constant does not match the traditional type, limit the
14121 warnings to cases where the base of the type is ten.
14123 * invoke.texi (-Wtraditional): Document it.
14125 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14127 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14128 * rs6000.md: Only access a CONST_INT with INTVAL
14130 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14132 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14133 (compute_nearerout): Likewise.
14134 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14135 size_t to unsigned long for formatting.
14137 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14139 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14140 Allow the user to override call-used/fixed state of %g2-5
14141 registers from the command line (with the exception of %g4 for
14143 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14144 there is a higher chance of having a leaf function.
14145 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14146 for ARCH64 which has %ccr register.
14147 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14149 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14150 insn accept into delay slot any insn which does not use %[ol]
14151 registers. Accept some LO_SUM and shift left by 1 for the normal
14153 (output_function_epilogue): Likewise.
14154 (epilogue_renumber): Added argument which inhibits any renumbering
14155 and just tests if the rtx does not use any %[ol] registers.
14156 (output_return): Reflect above change.
14158 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14160 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14161 aggregate passing for sizes <= 16 bytes.
14163 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14165 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14166 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14167 * reload.c (find_dummy_reload): Likewise.
14168 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14169 * reload1.c (reload_as_needed): Likewise.
14170 * stupid.c (stupid_find_reg): Likewise.
14171 * tm.texi (Obsolete Register Macros): Delete section.
14172 * gmicro.h: Remove all traces of the two macros.
14173 * i386.h: Likewise.
14174 * m88k.h: Likewise.
14175 * mips.h: Likewise.
14177 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14179 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14180 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14181 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14182 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14183 units for the sparclite86x chip.
14184 (flush): Revert October 14th change; add SImode specifically.
14185 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14186 * invoke.texi: Document it.
14188 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14190 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14191 psimode_truncation_operand.
14193 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14194 function. Return true if the operand is either a MEM valid
14195 for a PSImode address or not a MEM at all.
14197 * config/mn10200/mn10200.md (truncsipsi2): Use
14198 psimode_truncation_operand.
14200 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14202 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14203 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14204 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14205 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14206 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14207 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14208 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14209 * basic-block.h: Protect from multiple inclusion.
14210 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14211 (struct loops, struct loop): Define structures.
14212 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14213 * sbitmap.h: Protect from multiple inclusion.
14214 (sbitmap_a_subset_b_p): Add prototype.
14215 * Makefile.in (LOOP_H): New macro.
14216 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14218 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14220 * cppinit.c (CAT): The argument list of this macro may not contain
14223 1999-11-29 David S. Miller <davem@redhat.com>
14225 Move quantity tables and register equivalence chains into
14226 per-qty and per-register structure arrays respectively.
14227 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14228 qty_const_insn, qty_comparison_code, qty_comparison_const,
14229 qty_comparison_qty): Delete, replace with...
14230 (qty_table): this structure table.
14231 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14232 (reg_eqv_table): this structure table.
14233 (make_new_qty): Add argument MODE. Caller updated.
14234 Update to use qty_table and reg_eqv_table.
14235 (make_regs_eqv, delete_reg_equiv, insert_regs,
14236 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14237 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14238 cse_process_notes, cse_main, cse_basic_block): Likewise.
14240 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14242 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14243 operation if C is negative.
14244 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14245 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14246 law for some divisions if constant is negative and change other
14247 divisions to the opposite rounding.
14249 * expr.c (store_constructor_field): If bit position is not multiple
14250 of alignment of TARGET's mode, use BLKmode.
14252 * expr.c (expand_expr_unaligned): Add more code from full case
14253 that is needed when OP0 is in a register.
14255 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14257 * dwarfout.c (field_byte_offset): Size can be zero if there was
14260 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14262 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14263 (associate_trees): Delete unused var TEM.
14264 (extract_muldiv): Delete unused var CANCEL_P.
14266 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14267 (target_isinf, target_isnan, target_negative): Add return types to
14268 function definitions.
14270 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14272 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14273 * fixinc/hackshell.tpl: ditto
14274 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14275 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14277 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14279 * reload.c (push_reload): When looking for a register to put into
14280 reg_rtx, make sure all hard regs in a multi-reg register are in the
14281 right class and nonfixed.
14283 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14284 pending_read_insns, pending_write_insns, pending_read_mems,
14285 pending_write_mems, pending_list_length, last_pending_memory_flush,
14286 last_function_call, sched_before_next_call): Move static variables
14288 (bb_ prefixed versions): Replace with single array bb_deps.
14289 (struct deps): New structure.
14290 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14291 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14292 argument of type "struct deps *"; use that instead of global
14293 variables. All callers changed.
14294 (init_rgn_data_dependencies): Delete function.
14295 (init_rtx_vector): Delete function.
14296 (init_deps): New function.
14298 (free_pending_lists): Simplify, we always use the bb_deps array even
14299 if only one basic block.
14300 (compute_block_backward_dependences): Likewise.
14301 (schedule_region): Likewise.
14303 (propagate_deps): New function, broken out of
14304 compute_block_backward_dependences.
14305 (compute_block_backward_dependences): Use it.
14307 * alpha.md: Delete useless patterns that tried to work around
14308 register elimination problems.
14310 * unroll.c (loop_iterations): Don't abort if iteration variable
14313 From Joern Rennecke:
14314 * reload1.c (reloads_conflict): Reverse test comparing operand
14315 numbers when testing for conflict between output/outaddr reloads.
14317 1999-11-29 David S. Miller <davem@redhat.com>
14319 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14321 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14323 1999-11-28 Robert Lipe <robertl@cygnus.com>
14325 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14326 table from .fini into .dtor.
14328 1999-11-28 Anthony Green <green@cygnus.com>
14330 * tree.h (struct tree_decl): Add malloc_flag.
14331 (DECL_IS_MALLOC): Define.
14332 * c-common.c (attrs): Add A_MALLOC attribute.
14333 (init_attributes): Add this attribute to the table.
14334 (decl_attributes): Handle malloc attribute.
14335 * calls.c (special_function_p): Check for the malloc attribute.
14336 * extend.texi (Function Attributes): Document malloc attribute.
14338 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14340 * pa.md (reload shift-add patterns): Remove.
14342 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14344 * reorg.c (dbr_schedule) Print more statistics. Corrected
14345 problem when printing info when 3 delay slots are filled.
14347 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14349 * combine.c (setup_incoming_promotions): Pass an outgoing
14350 regno to FUNCTION_ARG_REGNO_P which it expects.
14352 1999-11-28 Andreas Jaeger <aj@suse.de>
14354 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14356 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14358 * cccp.c (do_include): Avoid initialization of automatic variable.
14360 * integrate.c (mark_stores): Function definition made void, to match
14361 previous declaration.
14362 * regclass.c (dump_regclass): Ditto.
14363 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14365 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14367 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14368 known to be multiple of divisor.
14370 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14372 * combine.c (try_combine): Add code to try to merge a set of a
14373 two-word pseudo to a constant with a setting of one of those words
14376 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14377 (split_tree): Completely rework to make more general.
14378 (make_range, fold): Call negate_expr.
14379 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14380 (fold, associate): Call new split_tree and associate_trees.
14381 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14383 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14385 * loop.c (try_copy_prop): Avoid GNU C extension.
14387 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14389 * except.c (init_eh_for_function): Still zero eh_return_context,
14390 eh_return_stack_adjust, and eh_return_handler.
14392 * except.h (eh_status): Adjust documentation for x_protect_list.
14393 (begin_protect_partials): New function.
14394 * except.c (enqueue_eh_entry): Fix formatting.
14395 (get_first_handler): Add consistency check.
14396 (add_partial_entry): Adjust usage of protect_list.
14397 (emit_cleanup_handler): Save and restore ehqueue.
14398 (expand_start_all_catch): Add comment.
14399 (begin_protect_partials): New function.
14400 (end_protect_partials): Adjust usage of protect_list.
14401 (init_eh_for_function): Use xcalloc.
14403 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14405 * c-common.c (check_format_info): Don't call a variadic function
14406 with a non-literal format string.
14408 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14410 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14411 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14414 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14417 * collect2.c (collect_wait): Likewise.
14419 * dbxout.c (dbxout_type): Likewise.
14421 * gcc.c (do_spec_1): Likewise.
14423 * genemit.c (gen_insn, gen_expand): Likewise.
14425 * genrecog.c (write_switch, write_subroutine): Likewise.
14427 * mips-tfile.c (catch_signal, botch): Likewise.
14429 * print-rtl.c (print_rtx): Likewise.
14431 * toplev.c (default_print_error_function, report_error_function,
14432 _fatal_insn): Likewise.
14434 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14436 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14438 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14440 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14441 operations when needed.
14442 * i386.md (fop_?f_comm): New.
14443 (fop_?f_1): Do not accept commutative operands.
14445 1999-11-25 Andreas Jaeger <aj@suse.de>
14447 * config/mips/mips.md (casesi_internal): Add missing brace.
14449 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14451 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14452 (splice_child_die): Handle moving a child DIE from the declaration
14453 DIE of a class to its specification.
14454 (gen_struct_or_union_type_die): Use 'complete' consistently.
14455 (gen_decl_die): Generate the virtual context DIE first.
14456 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14458 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14460 * config/mips/mips.md (call_value_multiple_interanal1): New.
14462 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14464 * dwarf2out.c (free_AT, free_die): New fns.
14465 (remove_children): Call them.
14466 (output_line_info): Disable removal of duplicate notes.
14468 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14469 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14470 means pretend the type isn't defined.
14471 Don't defer emitting types.
14472 (gen_type_die_for_member): New fn.
14473 (gen_decl_die): Call it.
14474 (splice_child_die): New fn.
14475 (gen_member_die): Call it rather than generate duplicate dies.
14477 Defer emitting information for the abstract instance of an inline
14478 until we either inline it or emit an out-of-line copy.
14479 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14480 from output_inline_function if DECL_ABSTRACT is also set.
14481 (block_ultimate_origin): Likewise.
14482 (gen_abstract_function): New fn.
14483 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14484 (gen_subprogram_die): An abstract instance is not a declaration
14485 just because it doesn't match current_function_decl. Don't abort
14486 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14487 has an abstract origin.
14488 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14489 abstract instance here.
14491 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14493 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14494 where we need to reload fpul from a system register.
14496 1999-11-24 Andreas Jaeger <aj@suse.de>
14498 * config/mips/linux.h (CPP_PREDEFINES): Added.
14499 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14501 1999-11-24 Andreas Jaeger <aj@suse.de>
14503 * config/mips/linux.h (TARGET_VERSION): Added.
14504 (HANDLE_SYSV_PRAGMA): Added.
14505 (DEFAULT_VTABLE_THUNKS): Added.
14507 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14509 * local-alloc.c (qty): New structure and static variable.
14510 (qty_phys_reg): Remove, all references changed to qty.
14511 (qty_n_refs): Likewise.
14512 (qty_min_class): Likewise.
14513 (qty_birth): Likewise.
14514 (qty_death): Likewise.
14515 (qty_size): Likewise.
14516 (qty_mode): Likewise.
14517 (qty_n_calls_crossed): Likewise.
14518 (qty_alternate_class): Likewise.
14519 (qty_changes_size): Likewise.
14520 (qty_first_reg): Likewise.
14521 (alloc_qty): Rename variable QTY to QTYNO.
14522 (finf_free_reg): Likewise.
14523 (local_alloc): Allocate qty, do not allocate the removed variables.
14525 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14527 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14528 when -membedded-pic is passed.
14530 * config/mips/mips.md (casesi): Handle 64-bit case too.
14531 (casesi_internal_di): New insn.
14533 * config/mips/mips.c (embedded_pic_offset): Always make the
14534 embedded-pic subtractions relative to the name of the current
14535 function by use of the magic string "..CURRENT_FUNCTION".
14536 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14538 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14540 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14541 of (const_int 0), when what we really care about is
14542 whether it's a zero constant anyway.
14543 (div_trap_mips16): Likewise.
14545 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14547 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14548 unroll_block_trees when generating debuggable code.
14550 * tree.h (unsave_expr_1): New function.
14551 (lang_unsave): New variable.
14552 (get_callee_fndecl): New function.
14553 * tree.c (unsave_expr_now_r): New function.
14554 (lang_unsave): Define.
14555 (unsave_expr_1): Likewise.
14556 (unsave_expr_now_r): Split out from unsave_expr_now.
14557 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14558 call unsave_expr_now_r.
14559 (get_callee_fndecl): Define.
14561 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14562 (gencheck.o): Do depend on lang_tree_files.
14564 * integrate.h (copy_decl_for_inlining): New declaration.
14565 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14566 (copy_decl_for_inlining): New function.
14567 (integrate_parm_decls): Use it.
14568 (integrate_decl_tree): Likewise.
14570 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14572 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14573 the second two from the first.
14574 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14575 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14576 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14578 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14579 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14582 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14584 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14585 needed on the address operand.
14586 * pa.c (call_operand_address): Check for the correct mode.
14588 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14590 * loop.c: Include "basic-block.h".
14591 (try_copy_prop, replace_loop_reg): New functions.
14592 (load_mems): Detect registers that just hold copies of the hoisted
14593 mem, and call try_copy_prop to eliminate them.
14594 * Makefile.in (loop.o): Update dependencies.
14596 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14598 * Makefile.in (gencheck.o): Depend on gencheck.h.
14599 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14600 (insn-peep.o): Depend on except.h and function.h.
14601 (insn-attrtab.o): Depend on RECOG_H.
14602 (insn-output.o): Depend on toplev.h and flags.h.
14603 (gengenrtl.o): Depend on real.h.
14604 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14605 Unify all dependencies to be on RECOG_H rather than recog.h.
14607 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14609 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14610 * configure.in: Try building a bi-arch 32/64-bit compiler on
14611 sparc-*-solaris2.7 and higher.
14612 * configure: Rebuild.
14614 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14616 * config/freebsd.h: New, FreeBSD architecture independent file.
14617 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14618 independent pieces.
14619 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14620 directly by i386/freebsd.h.
14621 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14622 independent configuration file.
14623 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14624 directly by i386/freebsd.h.
14625 * configure: Rebuilt.
14627 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14628 which is in the user's namespace.
14629 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14630 `i386' which is not in our namespace.
14632 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14634 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14636 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14638 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14639 (add_dwarf_attr, add_child_die): Just push onto the front.
14640 (reverse_die_lists): New fn.
14641 (add_sibling_attributes): Use it.
14642 (push_decl_scope): Reorganize.
14643 (add_name_and_src_coords_attributes): Don't set file and line for
14644 an artificial decl.
14645 (gen_subprogram_die): An artificial function doesn't need to match
14647 (gen_compile_unit_die): Return the generated die. Only add
14648 AT_comp_dir if the filename is relative.
14649 (remove_AT): Simplify loop. Also free string values.
14650 (output_die): A DIE ref can't be null.
14651 (output_value_format, value_format): Take a dw_attr_ref.
14652 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14653 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14654 AT_addr, AT_lbl): New fns.
14655 (various): Use them.
14656 (various): Constify.
14658 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14660 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14661 take SUBREG_WORD into account.
14662 (if_then_else_cond): Likewise.
14664 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14666 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14667 clause from BSD license, pursuant with
14669 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14671 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14673 * loop.c (load_mems): Reformat slightly.
14674 * basic-block.h (regset_head): New typedef.
14675 (INIT_REG_SET): New macro.
14677 1999-11-22 Bruce Korb <autogen@linuxbox.com
14679 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14680 (mips-dec-bsd*): non-functional code
14681 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14683 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14684 added three replacement fixes
14685 (no_double_slash): removed comments that are not (any longer) pertinent
14686 (bad_lval): this fix currently runs against many files.
14687 The comment seems to indicate that we should select for files
14688 containing 'pragma extern_prefix'.
14690 * fixinc/fixinc.x86-linux-gnu: deleted
14691 * fixinc/inclhack.sh: regen
14692 * fixinc/fixincl.x: regen
14693 * fixinc/fixincl.sh: regen
14695 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14697 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14698 its code is INSN and it has no notes.
14700 1999-11-22 Andrew Haley <aph@cygnus.com>
14702 * varasm.c (function_defined): Remove.
14703 (make_function_rtl): Don't set function_defined.
14704 (make_decl_rtl): Remove global register warning.
14705 * regclass.c (no_global_reg_vars): New variable.
14706 (globalize_reg): Warn if function has already been defined.
14707 (regclass_init): Set no_global_reg_vars.
14709 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14711 * regclass.c (reg_pref): New structure and static variable
14712 (prefclass): Delete.
14713 (altclass): Delete.
14714 (all uses of prefclass and altclass): Use reg_pref instead.
14716 1999-11-21 Nick Clifton <nickc@cygnus.com>
14718 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14720 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14721 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14722 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14724 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14726 * varasm.c (output_constructor): Solve problem with long long
14727 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14729 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14731 * global.c (allocno): New structure and static variable.
14732 (allocno_reg): Remove, all references replaced by allocno.
14733 (allocno_size): Likewise.
14734 (hard_reg_conflicts): Likewise.
14735 (hard_reg_preferences): Likewise.
14736 (hard_reg_copy_preferences): Likewise.
14737 (hard_reg_full_preferences): Likewise.
14738 (regs_someone_prefers): Likewise.
14739 (allocno_calls_crossed): Likewise.
14740 (allocno_n_refs): Likewise.
14741 (allocno_live_length): Likewise.
14742 (find_reg): Rename ALLOCNO to NUM.
14744 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14745 references updated.
14746 (may_move_out_cost): New variable.
14747 (init_reg_sets_1): Initialize may_move_out_cost.
14748 (record_reg_classes): Use may_move_out_cost.
14750 * regclass.c (dump_regclass): New function.
14751 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14752 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14753 pass rtl_dump_file to regclass.
14754 * rtl.h (regclass): Update prototype.
14756 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14758 * i386.md (neg, not and abs patterns): Revmap to use
14759 ix86_expand_unary_operator and ix86_unary_operator_ok.
14760 (add?f and sub?f expanders): Force operand 1 to register.
14761 * i386.c (ix86_expand_unary_operator): Rewrite.
14762 (ix86_unary_operator_ok): Ensure that memory operands
14764 (ix86_binary_operator_ok): Do not allow operand 1 to
14765 come into memory and operand 0 not.
14766 (ix86_expand_binary_operator): Ensure that
14767 src1 is not non-matching memory.
14769 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14770 to support integer registers and memory.
14771 (abss?2_integer): Likewise.
14773 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14774 (REG_CLASS_NAMES): Likewise.
14775 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14777 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14778 (movsf): Likewise; unify 4th and 5th alternative.
14779 (pushdf): Likewise.
14780 (movdf_1): Likewise; rename to movdf_integer.
14781 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14782 remove redundant splitter.
14783 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14784 (movdf_nointeger): New.
14785 (movxf_nointeger): New.
14786 (pushxf_nointeger): New.
14788 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14789 memory operands in patterns.
14790 (fop*): Refuse two memory operands.
14792 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14793 on !TARGET_USE_CLTD CPUs.
14795 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14797 * extend.texi: Document C++ restricted pointers and references.
14799 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14801 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14802 (invalidate_skipped_set): Call it unconditionally.
14803 (cse_set_around_loop): Likewise.
14805 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14807 * rtl.texi (mem): Add documentation for alias-set argument
14810 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14812 * i386.h (struct_processor_costs): New fields int_load, int_store,
14813 fp_move, fp_load and fp_store
14814 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14816 (MEMORY_MOVE_COST): New macro.
14817 * i386.c (386_cost): Define new fields.
14818 (i486_cost): Likewise.
14819 (pentium_cost): Likewise.
14820 (pentiumpro_cost): Likewise.
14821 (k6_cost): Likewise.
14823 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14824 Geoffrey Keating <geoffk@cygnus.com>
14826 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14828 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14831 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14832 (TARGET_STRICT_ALIGNMENT): New macro.
14833 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14834 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14835 * invoke.texi (M680x0 Options): Document -mstrict-align.
14837 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14838 Richard Henderson <rth@cygnus.com>
14840 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14841 (ix86_split_long_move): Declare.
14842 * i386.c (split_xf, ix86_split_movdi): Remove.
14843 (ix86_split_to_parts, ix86_split_long_move): New.
14844 * i386.md (dimode move splitters): Use ix86_split_long_move.
14845 (dfmode move splitters): Likewise.
14846 (xfmode move splitters): Likewise.
14847 (movsf_1): Allow F->r.
14848 (movdf_1, movxf_1): Allow F->ro.
14850 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14852 * except.h (struct eh_entry): Add goto_entry_p.
14853 (eh_region_from_symbol): Remove prototype.
14854 * except.c (find_func_region_from_symbol): New function.
14855 (emit_cleanup_handler): Likewise.
14856 (eh_region_from_symbol): Make it static.
14857 (add_new_handler): Verify the argument.
14858 (find_func_region): Update comment.
14859 (expand_eh_region_end): Expand handlers here, rater than waiting
14860 until expand_leftover_cleanups or start_all_catch.
14861 (expand_leftover_cleanups): Don't expand here.
14862 (expand_start_all_catch): Or here.
14863 (expand_rethrow): Check the return value from find_func_region.
14864 * function.c (expand_function_end): Emit the catch_clauses.
14866 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14868 * integrate.c (expand_inline_function): Add necessary check for NULL.
14870 1999-11-18 Nick Clifton <nickc@cygnus.com>
14872 * toplev.c (main): Correctly detect an unrecognised option.
14874 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14875 a -f option if it has not been recognised.
14877 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14879 * basic-block.h (update_life_extent): Remove trailing comma on
14880 enumeration type list.
14882 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14884 * varasm.c (output_constructor) Solved problem with long long
14885 bitfields. Corrected calculating this_time and shift. Also
14886 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14888 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14890 * flow.c (split_edge): Take looping structure into account when
14891 determining where to put the new block note.
14893 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14895 * Makefile.in (ggc-none.o): Provide host specific version if
14898 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14900 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14901 containing subregs too.
14903 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14905 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14906 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14907 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14908 (text_section): Add switches -munint-const-in-rodata and
14909 -mno-uninit-const-in-rodata.
14910 (ASM_OUTPUT_COMMON): Remove.
14911 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14912 const objects should be placed in read-only data. Otherwise declare
14915 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14917 * jump.c (jump_optimize_1): Revert last change.
14919 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14921 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14922 test if optimizing for size.
14924 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14926 * Makefile.in (toplev.o): Depend on except.h.
14927 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14929 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14931 * i386.md (divmodsi4): Rewrite to expander.
14932 (*divmodsi4_nocltd): New.
14933 (*divmodsi4_cltd): New.
14934 (divmodsi4 splitter): Handle the case when input comes in edx.
14935 (udivmodhi4): Do not use constraints in exander.
14936 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14938 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14940 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14941 for the common case.
14943 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14945 * explow.c (hard_function_value): Add outgoing argument.
14946 * expr.h (hard_function_value): Declare it.
14947 * calls.c (expand_call, emit_library_call_value): Update callers.
14948 * function.c (aggregate_value_p): Ditto.
14949 (diddle_return_value): Must look at the outgoing registers
14950 on archs with register windows.
14952 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14954 * alpha.c (alpha_build_va_list): Use make_lang_type and
14955 initialize TYPE_NAME for the va_list record.
14957 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14959 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14961 * ggc.h (struct ggc_statistics): Rearrange elements for better
14962 packing on 64-bit hosts.
14963 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14964 (compute_nearerout): Likewise.
14966 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14968 * config/rs6000/rs6000.c (first_reg_to_save): Save
14969 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14971 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14973 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14974 notion of nesting to find the DIE for a type or function.
14975 DIEs can go in limbo even if we got a context_die.
14976 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14977 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14979 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14980 (gen_type_die): Writing out the context doesn't cause member class
14981 template instantiations to be written out as well.
14983 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14985 * rs6000.h (ASM_OUTPUT_DEF): New.
14986 Based on proposed addition from David Edelsohn.
14988 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14989 Bruce Korb <autogen@linuxbox.com>
14991 * fixinc/inclhack.def
14992 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14993 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14995 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14996 (svr4_endian): enabled with SVR5
14997 (svr4_mkdev): simplified syntax and enabled with SVR5
14999 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
15001 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
15002 * configure: Rebuilt.
15003 * config/t-freebsd-thread: New file.
15005 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
15007 * i386.c (ix86_decompose_address): Verify the base is a REG
15008 before trying to examine its register number.
15010 * basic-block.h: Remove all #defines and prototypes related to
15012 (free_bb_mem, compute_preds_succs): Remove prototype.
15013 * rtl.h (free_bb_mem): Remove prototype.
15014 * flow.c (alloc_int_list_node); Remove function.
15015 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
15016 (compute_preds_succs, free_bb_mem): Likewise.
15017 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
15018 * toplev.c (rest_of_compilation): Likewise.
15019 * haifa-sched.c (build_control_flow): Use flow generated edge
15020 list to build the haifa specific edge list.
15021 (find_rgns): Use new CFG data structures instead of pred/succ lists.
15022 (schedule_insns): Do not build pred/succ lists anymore. Instead
15023 build the edge table.
15025 * basic-block.h (dump_bb_data): Remove declaration.
15026 * flow.c (dump_bb_data): Remove function.
15027 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
15028 (sbitmap_union_of_predsucc): Likewise.
15030 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
15031 argument. All callers changed.
15032 (delete_null_pointer_checks_1): No longer need to compute the
15035 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
15036 All callers changed.
15037 (pre_expr_reaches_here_p_work): Likewise.
15038 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
15039 * lcm.c (compute_laterin): Fix initialization of LATER.
15040 (compute_nearerout): Similarly for NEARER.
15042 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15044 * cse.c (set_nonvarying_address_components): Delete unused function.
15045 (refers_to_p): Likewise.
15047 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
15049 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
15052 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15054 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15055 definition in do while (0).
15057 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15059 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15061 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15063 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15065 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15067 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15068 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15069 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15070 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15072 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15073 saved on the stack. Output more accurate stack frame statistics
15074 into assembler file.
15076 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15078 * genextract.c (record_insn_name): New function.
15079 (get_insn_name): No longer a stub.
15080 (main): Call record_insn_name for each insn. After each label
15081 written, print the insn name in a comment.
15083 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15085 * output.h (const_section, init_section, fini_section): Add
15088 * alpha/elf.h (const_section): Delete declaration.
15090 * svr4.h (const_section): Likewise.
15092 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15094 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15095 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15096 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15098 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15099 variable-sized array bounds.
15101 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15103 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15106 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15108 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15109 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15111 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15113 * cse.c (hash_arg_in_struct): Delete.
15114 (struct table_elt): Delete elt in_struct.
15115 (struct set): Delete elt src_in_struct.
15116 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15117 the corresponding in_struct elts.
15118 (canon_hash): Likewise.
15119 (safe_hash): Likewise.
15120 (find_best_addr): Likewise.
15121 (record_jump_cond): Likewise.
15122 (cse_insn): Likewise.
15124 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15126 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15128 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15131 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15133 * function.c (diddle_return_value): Put back check that the DECL_RTL
15134 for the function is a register.
15136 * function.c (diddle_return_value): Use hard_function_value to
15137 get an rtx suitable for use in the USE/CLOBBER insn.
15139 * global.c (global_conflicts): Update comments.
15140 (record_conflicts): No need to record conflicts between pseudos here.
15142 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15144 * fixinc/fixincl.c: Added verbose levels for status messages
15146 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15148 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15149 operand as argument to expand_and or expand_binop.
15151 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15153 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15154 gcc_add_string_root.
15156 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15158 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15160 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15162 * flow.c (compute_flow_dominators): Initially put all blocks on
15164 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15165 * gcse.c (compute_cprop_avinout): Remove.
15166 (compute_cprop_data): Use compute_available.
15167 (delete_null_pointer_checks_1): Use compute_available.
15169 * basic-block.h (compute_available): Returns a void now.
15170 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15171 to return a value anymore.
15172 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15173 worklists. Fix boundary cases. Compute maximal solutions.
15174 (compute_laterin, compute_nearerout): Similarly.
15176 * dwarf2out.c (add_AT_location_description): Allow
15177 (mem (plus (pseudo) (...)) too.
15179 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15181 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15183 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15184 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15186 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15188 * gansidecl.h: Likewise.
15194 * toplev.h: Likewise.
15196 * tree.c: Likewise.
15198 * tree.h: Likewise.
15200 * varray.c: Likewise.
15202 * varray.h: Likewise.
15204 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15206 * gcov.c (struct arcdata): Add hits and total, remove prob.
15207 (output_branch_counts): New.
15208 (process_args): Set output_branch_counts if -c.
15209 (calculate_branch_probs): Store hits and total instead of
15211 (output_data): Emit counts if output_branch_counts is true.
15212 * gcov.texi (Invoking Gcov): Document -c switch..
15214 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15216 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15217 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15219 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15221 * invoke.texi (C Dialect Options): Add missing builtins from
15222 c-common.c to list.
15223 * extend.texi (Other Builtins): Copy to this list.
15225 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15227 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15228 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15229 redundant bitmap.h.
15231 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15233 * flow.c (compute_flow_dominators): No longer treat basic block 0
15234 or (n_basic_blocks - 1) specially. Clear the AUX field before
15235 starting computation of doms/pdoms. Fix initial state for pdoms.
15237 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15239 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15240 match rtl.o's: added ggc.h and toplev.h
15241 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15242 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15243 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15245 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15247 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15248 from HAVE_DOS_BASED_FILESYSTEM.
15249 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15250 HAVE_DOS_BASED_FILESYSTEM.
15252 (split_directories): Only special-case DOS file names if
15253 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15254 instead of explicit tests. Conditionalize on !VMS.
15255 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15256 tests. Conditionalize on !VMS.
15257 (process_command): Only use make_relative_prefix if !VMS.
15258 (free_split_directories): Conditionalize on !VMS.
15259 (DIR_UP): Conditionalize on !VMS.
15261 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15263 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15265 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15267 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15270 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15272 * invoke.texi (Environment Variables): Document relative path
15274 * gcc.c (DIR_UP): If not defined, define as "..".
15275 (standard_bindir_prefix): New static, holds target location to
15277 (split_directories): New function to split a filename into
15278 component directories.
15279 (free_split_directories): New function, release memory allocated
15280 by split_directories.
15281 (make_relative_prefix): New function, make a relative pathname if
15282 the compiler is not in the expected location.
15283 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15284 can figure out an appropriate prefix from argv[0].
15285 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15286 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15287 STANDARD_BINDIR_PREFIX.
15289 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15291 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15293 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15294 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15295 c4x_secondary_memory_needed) Delete.
15296 (fp_zero_operand): Add mode argument.
15298 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15300 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15301 that is in reload_reg_used.
15303 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15305 * config/arm/arm-protos.h: New file: Prototypes for functions
15306 defined in arm.c and pe.c.
15307 * config/arm/arm.h: Fix compile time warnings.
15308 * config/arm/arm.c: Fix compile time warnings.
15309 * config/arm/pe.h: Fix compile time warnings.
15310 * config/arm/aout.h: Fix compile time warnings.
15312 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15314 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15317 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15318 Add support for subtargets.
15319 Add prototypes for new predicates.
15320 Add scheduling macros.
15322 * config/m32r/m32r.c: Fix compile time warnings.
15323 (int8_operand): New predicate function.
15324 (reg_or_cmp_int16_operand): New predicate function.
15325 (extend_operand): New predicate function.
15326 (m32r_adjust_code): New scheduling function.
15327 (m32r_adjust_priorty): New scheduling function.
15328 (m32r_sched_init): New scheduling function.
15329 (m32r_sched_reorder): New scheduling function.
15330 (m32r_sched_variable_issue): New scheduling function.
15331 (direct_return): New codegen function.
15332 (m32r_not_same_reg): New rtl testsing function.
15334 * config/m32r/m32r.md: Fix compile time warnings.
15335 Add support for pre decrement and post increment memory
15337 Add S<cc> patterns.
15340 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15342 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15343 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15344 (find_reg): Likewise.
15346 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15348 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15349 to avoid assembler errors.
15351 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15353 * config/v850/v850-protos.h: New file: Prototypes for functions
15355 * config/v850/v850.h: Move prototypes to v850-protos.h
15356 * config/v850/v850.c: Move prototypes to v850-protos.h
15357 * config/v850/v850.md: Fix compile time warnings.
15359 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15361 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15362 * config/fr30/fr30.c: Fix compile time warnings.
15363 * config/fr30/fr30.md: Fix compile time warnings.
15365 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15367 * tree.h (get_containing_scope): Declare it.
15368 * tree.c (get_containing_scope): New fucntion.
15369 (decl_function_context): Use it.
15370 * toplev.c (rest_of_compilation): Use get_containing_scope.
15372 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15374 * Makefile.in (rtl.o): Depend on toplev.h.
15376 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15378 * cse.c (delete_trivially_dead_insns): Replace alloca with
15380 * except.c (update_rethrow_references): Likewise.
15381 (init_eh_nesting_info): Likewise.
15382 * function.c (identify_blocks): Likewise.
15383 * gcse.c (dump_hash_table): Likewise.
15384 * graph.c (print_rtl_graph_with_bb): Likewise.
15385 * loop.c (combine_movables): Likewise.
15386 (move_movables): Likewise.
15387 (count_loop_regs_set): Likewise.
15388 (strength_reduce): Likewise.
15389 * profile.c (compute_branch_probabilities): New function, split
15391 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15392 * regclass.c (regclass): Likewise.
15393 * regmove.c (regmove_optimize): Likewise.
15394 * toplev.c (compile_file): Likewise.
15395 (main): Don't mess with the stack rlimit.
15397 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15399 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15400 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15402 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15404 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15406 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15408 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15409 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15412 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15414 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15416 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15418 * gcse.c (post_dominators): Kill.
15419 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15420 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15421 pass in a pdom array since we do not need pdoms.
15422 * haifa-sched.c (schedule_insns): Similarly.
15423 * flow.c (compute_dominators): Remove dead function.
15424 (compute_flow_dominators): Do not compute doms or pdoms if the
15425 caller does not request them. Split up loop to build doms and
15426 pdoms. Use a worklist to compute doms and pdoms.
15427 * basic-block.h (compute_dominators): Remove prototype.
15429 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15431 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15432 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15433 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15434 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15435 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15436 (schedule_region): Remove unused variable.
15437 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15439 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15441 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15442 (update_equiv_regs): Likewise.
15443 (block_alloc): Likewise.
15444 * reg-stack.c (reg_to_stack): Likewise.
15445 (convert_regs_2): Likewise.
15446 * reload1.c (reload_as_needed): Likewise.
15448 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15450 * Makefile.in (dbxout.o): Depend on ggc.h.
15451 (dwarf2out.o): Likewise.
15452 (xcoffout.o): Likewise.
15453 * dbxout.c: Include ggc.h.
15454 (dbxout_init): Register lastfile as a root.
15455 * dwarf2out.c: Include ggc.h.
15456 (dwarf2out_line): Register lastfile as a root.
15457 * xcoffout.c: Include ggc.h.
15458 (xcoffout_source_line): Register xcoff_lastfile as a root.
15460 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15462 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15464 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15466 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15468 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15470 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15472 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15473 (EXECUTE_IF_CONFLICT): Likewise.
15474 (ALLOCNO_LIVE_P): Avoid signed division.
15475 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15476 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15477 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15479 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15481 * haifa-sched.c (schedule_block): Don't crash if there's no
15482 next insn for an interblock movement.
15483 (add_branch_dependences): Don't allow clobber insns to move either.
15485 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15487 * i386.c (split_xf): New.
15488 * i386-protos.h: Declare it.
15489 * i386.md (movxf_1): Add general regs alternatives.
15490 (movxf_1+1): New splitter for same.
15492 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15494 * function.c (purge_addressof_1): Add missing return values.
15496 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15498 * function.c (is_addressof): New function. Returns true if
15499 the given piece of RTL is an ADDRESSOF.
15500 (purge_addressof_1): Make boolean. Return false if the
15501 ADDRESSOFs could not be purged.
15502 (purge_addressof): If ADDRESSOFs could not be purged from the
15503 notes attached to an insn, remove the offending note(s),
15504 unless they are attached to a libcall.
15506 1999-11-05 Andreas Jaeger <aj@suse.de>
15508 * genoutput.c (null_operand =): Initialize all fields.
15510 * errors.h: Add extern to prototypes.
15512 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15514 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15515 * configure: Rebuilt.
15517 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15519 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15520 (mirror_conflicts): New function.
15521 (global_alloc): Call it.
15522 (expand_preferences): Remove redundant CONFLICTP test.
15523 (find_reg, dump_conflicts): Likewise.
15524 (prune_preferences): Process conflicts one word at a time.
15526 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15528 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15529 instead of an explicit loop.
15531 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15533 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15534 if REG_RETVAL check succeeds, then put classp in src_elt.
15536 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15538 * function.c (pad_to_arg_alignment): Only update argument_pad
15539 if the argument's alignment is greater than STACK_BOUNDARY.
15541 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15543 * bitmap.h (BITMAP_XFREE): New.
15544 * flow.c (life_analysis): Use it.
15545 (life_analysis_1): Free blocks.
15547 * combine.c (undo_commit): New.
15548 (try_combine): Use it. Don't zap undobuf.undos.
15549 (combine_instructions): Don't zap undobuf.undos; free the
15550 undobuf.frees list.
15552 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15554 * stmt.c (cost_table_): New.
15555 (estimate_case_costs): Use it instead of xmalloc.
15557 * toplev.c (compile_file): Reuse dumpname memory instead
15560 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15562 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15563 after verifying an EH edge.
15565 * haifa-sched.c (init_rgn_data_dependences): Correctly
15566 size bb_pending_lists_length when zeroing.
15568 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15570 * function.c (diddle_return_value): New.
15571 (expand_function_end): Use it.
15572 * stmt.c (expand_null_return): Likewise.
15573 (expand_value_return): Likewise.
15575 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15577 * reload1.c (reload): Don't remove return value clobbers.
15579 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15581 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15583 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15585 * cse.c (cse_main): Use xmalloc, not alloca.
15586 (cse_basic_block): Likewise.
15587 * local-alloc.c (local_alloc): Likewise.
15589 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15590 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15592 * rtl.c: Include toplev.h.
15593 (fatal): Remove declaration.
15595 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15597 * haifa-sched.c (schedule_block): Fix thinko.
15599 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15601 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15602 S_IR* defined values
15604 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15606 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15607 call `malloc' instead.
15609 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15611 * flags.h (flag_renumber_insns): Declare.
15612 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15614 * rtl.h (renumber_insns): Change prototype.
15615 * toplev.c (flag_renumber_insns): Define.
15616 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15618 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15620 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15621 and fpsqrtd. Use them and create fdiv function unit to more
15622 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15623 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15625 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15627 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15629 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15630 insn into ready list, do not use just a raw swap.
15632 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15634 * rtl.h (renumber_insns): New function.
15635 (remove_unnecessary_notes): Likewise.
15636 * emit-rtl.c (renumber_insns): Define.
15637 (remove_unncessary_notes): Likewise.
15638 * toplev.c (rest_of_compilation): Remove dead code.
15639 Use renumber_insns and remove_unncessary_notes.
15641 * gcse.c (struct null_pointer_info): New type.
15642 (get_bitmap_width): New function.
15643 (current_block): Remove.
15644 (nonnull_local): Likewise.
15645 (nonnull_killed): Likewise.
15646 (invalidate_nonnull_info): Take a null_pointer_info as input.
15647 (delete_null_pointer_checks_1): New function.
15648 (delete_null_pointer_checks): Use it.
15650 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15651 (split_edges): Likewise.
15652 (schedule_block): Likewise.
15653 (compute_block_backward_dependencies): Likewise.
15654 (schedule_region): Likewise.
15655 (schedule_insns): Likewise.
15657 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15659 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15660 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15661 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15662 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15663 * jump.c (delete_unreferenced_labels): Don't delete if
15664 LABEL_ALTERNATE_NAME is set.
15665 * print-rtl.c (print_rtx): Dump alternate name.
15666 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15667 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15668 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15669 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15671 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15673 * fix-header.c (recognized_extern, recognized_function): Constify
15676 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15677 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15678 (compute_available): Remove unused variable `last'.
15679 (compute_nearerout): Remove unused variable `temp_bitmap'.
15680 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15681 Remove unused variable `x'.
15683 * scan.h (recognized_function, recognized_extern): Constify a
15686 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15688 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15690 * varasm.c (decode_rtx_const): Use XSTR to access the string
15693 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15695 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15697 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15699 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15701 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15703 * pa.c (ireg_operand): New function.
15704 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15705 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15706 Fix out of date comment.
15708 * pa.md (negdi2): Turn into expander + anonymous pattern.
15710 * reload.c (find_reloads): Fix typos in recent change.
15712 * dwarf2out.c: Do not include ctype.h.
15714 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15716 * regclass.c (record_reg_classes): Always use may_move_cost when
15717 seeing how operand fits with various register classes.
15719 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15721 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15722 * toplev.c: Revert Nov 1 13:22 change.
15724 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15726 * config/pa/pa.md (height reduction patterns): Add checks for
15727 overlapping operands to avoid semantic-destroying splits for
15728 height reduction patterns.
15730 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15732 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15733 have been an hyphen, fixed.
15734 * configure: Rebuilt.
15736 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15738 * config/arm/tpe.h: Add prototypes for exported functions.
15739 * config/arm/pe.c: Fix compile time warnings.
15740 * config/arm/semi.h: Fix compile time warnings.
15741 * config/arm/arm.c: Fix compile time warnings.
15742 * config/arm/arm.h: Fix compile time warnings.
15743 * config/arm/arm.md: Fix compile time warnings.
15744 * config/arm/thumb.c: Fix compile time warnings.
15745 * config/arm/thumb.h: Fix compile time warnings.
15746 * config/arm/thumb.md: Fix compile time warnings.
15748 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15750 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15753 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15754 completely unrolled.
15756 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15758 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15760 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15762 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15763 * rtl.h (rtx_equal_p): Move prototype.
15764 * rtl.c (rtx_equal_function_value_matters): Move from
15766 (rtx_equal_p): Likewise.
15767 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15768 (rtx_equal_p): Likewise.
15770 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15772 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15773 ! HAS_INIT_SECTION.
15775 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15777 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15779 * pa.h (ADDR_VEC_ALIGN): Define.
15781 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15782 notes when presented with "if (foo) break; end_of_loop" and
15783 the break sequence gets moved out of the loop.
15785 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15786 Remove explicit zero initializations of entries within MAP.
15788 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15790 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15792 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15794 * bitmap.h (BITMAP_XMALLOC): New macro.
15795 * flow.c (CLEAN_ALLOCA): Remove.
15796 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15797 (life_analysis): Likewise.
15798 (update_life_info): Don't use CLEAN_ALLOCA.
15799 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15800 (calculate_global_regs_live): Likewise.
15801 (print_rtl_with_bb): Likewise.
15802 (verify_flow_info): Likewise.
15803 * global.c (global_alloc): Likewise.
15804 (global_conflicts): Likewise.
15805 * integrate.c (save_for_inline_nocopy): Likewise.
15806 (expand_inline_function): Likewise.
15807 * jump.c (jump_optimize_1): Likewise.
15808 (duplicate_loop_exit_test): Likewise.
15809 (thread_jumps): Likewise.
15810 * loop.c (loop_optimize): Likewise.
15811 (combine_givs): Likewise.
15812 (recombine_givs): Likewise.
15813 * reorg.c (dbr_schedule): Likewise.
15814 * unroll.c (unroll_loop): Likewise.
15816 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15818 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15820 * toplev.c (rest_of_compilation): Don't optimize the CFG
15821 when rebuilding, just before dbr.
15823 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15825 * output.h (assemble_end_function, assemble_destructor,
15826 assemble_constructor, assemble_gc_entry, assemble_global,
15827 assemble_label, output_constant_pool) Constify a char*.
15829 * varasm.c (assemble_destructor, assemble_constructor,
15830 assemble_gc_entry, assemble_end_function, assemble_global,
15831 assemble_label, output_constant_pool): Likewise.
15833 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15835 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15836 explaining what is goin on in this function.
15838 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15840 * regclass.c (record_reg_classes): In matching case, recompute
15841 costs since the direction of movement is different.
15843 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15845 * resource.c (mark_target_live_regs): For unconditional branches,
15846 the resources found at the branch target should be added to the
15847 resources found so far, not intersected.
15849 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15851 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15853 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15854 (sys/mman.h): Include this file only if #HAVE_MMAP.
15855 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15856 with automatically concatenated ANSI strings.
15858 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15860 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15861 (DIV_ROUND_UP): Robustify.
15862 (ggc_recalculate_in_use_p): New function.
15863 (release_pages): Don't inline it.
15864 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15866 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15867 (clear_marks): Always save in_use_p.
15868 (sweep_pages): Use ggc_recalculate_in_use_p.
15869 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15870 Release pages before counting statistics.
15872 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15874 * toplev.c (rest_of_compilation): Fix thinko in this change:
15876 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15878 (rest_of_compilation): If inside an inlined external function,
15879 pretend we are just being declared.
15881 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15883 * flow.c (calculate_global_regs_live): Fix thinko.
15885 * integrate.c (expand_inline_function): Fix bugs in previous
15886 change from Oct 28, 1999.
15888 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15890 * stmt.c (expand_value_return): Fix typo in this change:
15892 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15893 (expand_value_return): Correctly convert VAL when promoting function
15894 return; support RETURN_REG being a PARALLEL.
15896 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15898 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15900 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15902 * hard-reg-set.h (reg_names): Constify a char*.
15904 * regclass.c (reg_names): Likewise.
15906 * regs.h (reg_names): Likewise
15908 * a29k/a29k.c (reg_names): Delete declaration.
15910 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15912 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15913 arc_output_function_epilogue): Likewise.
15915 * elxsi/elxsi.c (reg_names): Likewise.
15917 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15919 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15922 * m88k/m88k.c (output_function_profiler): Likewise.
15924 * sparc/sparc.c (sparc_flat_output_function_prologue,
15925 sparc_flat_output_function_epilogue): Likewise.
15927 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15929 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15930 warning from -Wuninitialized and put it under -W.
15931 * function.c (uninitialized_vars_warning): Warn only when the
15932 corresponding flag is set.
15934 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15936 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15937 is nonzero and the single set does not have an elt, then assign
15940 * simplify-rtx.c: New file.
15941 * Makefile.in (OBJS): Add simplify-rtx.o
15942 (simplify-rtx.o): Add dependencies.
15943 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15944 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15945 (cse_gen_binary, simplify_unary_operation): Delete.
15946 (simplify_binary_operation, simplify_plus_minus): Likewise.
15947 (check_fold_consts, simplify_relation_operation): Likewise.
15948 (simplify_ternary_operation): Likewise.
15949 (delete_trivially_dead_insns): Simplify the contents of the
15950 REG_EQUAL note before trying to substitute it into the source
15951 of the reg-reg copy at the end of a libcall sequence.
15953 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15954 references/callers changed.
15956 * mn10200.c (mn10200_va_arg): Force the return value into a
15959 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15961 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15964 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15966 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15968 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15970 * fold-const.c (fold): Fix thinko when optimizing comparisons
15973 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15975 * gcc.texi (Passes): Update front-end files to their current
15978 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15980 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15981 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15982 (PREDICATE_CODES): Add addition_operation.
15983 * alpha-protos.h (addition_operation): Declare.
15984 (secondary_reload_class): Likewise.
15985 * alpha.c (addition_operation): New.
15986 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15987 * alpha.md (adddi3): Turn into expander.
15988 (*lda, *adddi_2): New.
15989 (movsf, movdf patterns): Don't preference integer regs.
15990 (movsi, movdi patterns): Don't preference fp regs.
15992 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15994 * genrecog.c (write_switch): Check for duplicate CODE cases.
15996 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15998 * ggc-common.c: Update pre-function commentary.
15999 * ggc-page.c: Likewise.
16001 (poison_pages): Use memset directly.
16002 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
16003 (ggc_collect): Poison before sweeping.
16004 * ggc-simple.c: Update pre-function commentary.
16005 (ggc_alloc_obj): Poison non-zeroed memory.
16007 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
16009 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
16010 match format string, even on 64-bit hosts.
16011 * gcc-page.c (ggc_page_print_statistics): Likewise.
16013 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
16015 * config/i386/i386.c (ix86_cpu): Revert last patch.
16016 * config/i386/i386.h (ix86_cpu): Ditto.
16018 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
16020 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
16021 TYPE_SIZE, convert type of result to sizetype.
16023 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
16025 * flow.c (count_or_remove_death_notes): Equate NULL with the
16028 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
16029 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
16032 * i386.c (pic_label_no): Delete.
16033 (ix86_attr_length_default): Don't use single_set to peek
16036 * recog.c (peephole2_optimize): Allow recog_next_insn to index
16037 the first insn after bb->end.
16038 * i386.md (push mem peeps): Scratch is live after evaluation
16040 (cmp mem peep): Similarly.
16042 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
16044 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
16045 * function.c (pad_to_arg_alignment): Add missing braces.
16047 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16049 * alpha/alpha-protos.h (literal_section): Add prototype.
16050 (alpha_need_linkage, alpha_start_function,alpha_end_function):
16053 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16055 (alpha_start_function, alpha_end_function, float_strings,
16056 alpha_need_linkage): Constify a char*
16058 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16060 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16062 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16064 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16066 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16068 * flow.c (debug_flow_info): Add prototype.
16070 * gcc.c (main): Likewise.
16072 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16075 * reload1.c (failed_reload, set_reload_reg): Likewise.
16077 * mips-tfile.c (main): Likewise.
16078 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16079 with ATTRIBUTE_NORETURN.
16081 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16083 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16084 DECL is not a memory ref.
16086 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16088 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16089 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16091 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16093 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16094 * config/mips/elf64.h: ditto.
16096 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16098 * expr.c (emit_push_insn): New argument alignment_pad.
16099 Update all callers. Adjust stack pointer based on alignment pad.
16100 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16101 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16102 (locate_and_pad_parm): New argument alignment_pad. Update all
16104 * expr.h (emit_push_insn): Update prototype.
16105 (locate_and_pad_parm): Update prototype.
16106 * calls.c (arg_data): Add new field alignment_pad.
16107 (initialize_argument_information): Initialize alignment_pad.
16109 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16111 * except.c (free_eh_nesting_info): Free the info itself.
16112 * function.c (free_after_compilation): Don't free NULL.
16113 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16114 (pre_edge_insert): Free inserted.
16115 * stmt.c (free_stmt_status): Don't free NULL.
16117 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16119 * gcov.c (DIR_SEPARATOR): Provide default.
16120 (output_data): Add test for MS-DOS format absolute filename.
16121 (fancy_abort): Correct program name.
16122 (open_files): Open all files in binary mode.
16123 * libgcc2.c (__bb_exit_func): Likewise.
16125 * profile.c (init_branch_prob): Specify binary when opening files.
16127 * flags.h (flag_unwind_tables): New decl.
16128 * toplev.c (flag_unwind_table): New definition.
16129 (f_options): Add -funwind-tables.
16130 (decode_g_option): Clarify warning when unknown -g option is given.
16131 (rest_of_compilation): If inside an inlined external function,
16132 pretend we are just being declared.
16134 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16135 (dwarf2out_frame_finish): Likewise.
16137 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16139 * fold-const.c (merge_ranges): If not in0, but in1, handle
16140 upper bounds equal like subset case.
16142 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16144 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16145 passed in a register but moved to the stack.
16147 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16149 * gcc.c (pass_exit_codes, greatest_status): New variables.
16150 (struct option_map): Add entry for "--pass-exit-codes".
16151 (execute): Update greatest_status if error.
16152 (display_help): Add documentation for -pass-exit-codes.
16153 (process_command): Handle -pass-exit-codes.
16154 (main): Look at pass_exit_codes and greatest_status on call to exit.
16156 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16158 * reload.c (find_reloads): Refine test for no input reload
16159 case to not includes reloads emitted after insn.
16161 * function.c (find_temp_slots_from_address): Handle sum involving
16162 a register that points to a temp slot.
16163 (update_temp_slot_address): Make recursive call if both old and
16164 new are PLUS with a common operand.
16165 * calls.c (expand_call): Mark temp slot for result as having
16168 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16170 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16171 component as well as "BINUTILS".
16173 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16174 * integrate.c (copy_rtx_and_substitute): Likewise.
16175 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16176 All callers changed.
16177 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16179 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16180 gdb extensions, write size of type; also be more consistent
16181 in using references when this is a subtype.
16183 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16184 that is out of range.
16186 * loop.c (unknown_constant_address_altered): New variable.
16187 (prescan_loop): Initialize it.
16188 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16189 (invariant_p, case MEM): Remove handling for volatile and readonly;
16190 check new variable if readonly.
16191 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16193 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16194 (addr_affects_sp_p): Removed from note_mem_written and only
16195 define #ifdef AUTO_INC_DEC.
16197 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16199 * regclass.c (record_reg_classes): Properly handle register move
16202 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16203 Don't think valid if both operands are invalid.
16204 (struct constant_descriptor): New field RTL.
16205 (mark_const_hash_entry): Mark it.
16206 (record_constant{,_rtx}): Initialize it.
16207 (output_constant_def): Allocate RTL in permanent obstack and
16209 ({record,compare}_constant_1): Modes must match for
16210 CONSTRUCTOR of ARRAY_TYPE.
16212 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16213 * output.h (initializer_constant_valid_p): Move decl to here.
16214 * c-common.c (initializer_constant_valid_p): Delete function from here.
16215 * varasm.c (initializer_constant_valid_p): Move function to here.
16217 * tree.h (STRIP_SIGN_NOPS): New macro.
16218 * fold-const.c (optimize_minmax_comparison): New function.
16219 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16220 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16221 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16222 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16223 widening conversions.
16224 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16225 to look at size of mode, not precision of type; also add missing cases.
16226 (optimize_bit_field_compare, decode_field_reference): Don't try to
16227 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16229 * dwarf2out.c (ctype.h): Include.
16230 (dwarf2out_set_demangle_name_func): New function.
16231 (size_of_line_info): Deleted.
16232 (output_line_info): Compute size of line info table from difference
16234 (base_type_die, add_name_attribute): Call demangle function, if any.
16235 (field_byte_offset): Use bits per word for variable length fields.
16236 (gen_array_type_die): Add array name.
16237 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16238 (dwarf2out_add_library_unit_info): New function.
16240 * explow.c (set_stack_check_libfunc): New function.
16241 (stack_check_libfunc): New static variable.
16242 (probe_stack_range): Allow front-end to set up a libfunc to call.
16244 * combine.c (simplify_comparison): When making comparison in wider
16245 mode, check for having commuted an AND and a SUBREG.
16246 (contains_muldiv): New function.
16247 (try_combine): Call it when dividing a PARALLEL.
16248 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16249 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16251 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16252 use one of the CLOBBERs instead.
16253 (if_then_else_cond): If comparing against zero, just return thing
16256 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16257 Don't generate shifts and subtract if have conditional arithmetic.
16259 * rtl.h (delete_barrier): New declaration.
16260 * jump.c (jump_optimize): Set up to handle conditional call.
16261 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16262 (delete_barrier): New function.
16264 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16266 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16268 * tree.c (build_type_attribute_variant): Push to obstack of
16269 ttype around type_hash_canon call.
16271 * expr.c (placeholder_list): Move decl to file scope.
16272 (expand_expr): Don't force access to volatile just because its
16274 If ignoring reference operations, just expand the operands.
16275 (expand_expr, case COMPONENT_REF): Propagate
16276 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16277 Refine test for using bitfield operations vs pointer punning.
16278 (expand_expr, case CONVERT_EXPR): If converting to
16279 BLKmode UNION_TYPE from BLKmode, just return inner object.
16280 Use proper mode in store_field call.
16281 Properly set sizes of object to store and total size in store_field
16282 call for convert to union.
16283 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16284 memory (like for ADDR_EXPR). Also, don't put constant in register if
16285 we'll want it in memory.
16286 (readonly_fields_p): New function.
16287 (expand_expr, case INDIRECT_REF): Call it if LHS.
16288 (expand_assignment): Handle a RESULT_DECL where
16289 DECL_RTL is a PARALLEL.
16290 (do_jump, case WITH_RECORD_EXPR): New case.
16291 (get_inner_reference): Always go inside a CONVERT_EXPR
16292 and NOP_EXPR if both modes are the same.
16293 (store_field): Use bitfield operations if size of bitsize is not same
16294 as size of RHS's type.
16295 Check for bitpos not a multiple of alignment in BLKmode case.
16296 Do block move in largest possible alignment.
16297 (store_constructor): Set BITSIZE to -1 for variable size and properly
16298 in case of array of BLKmode.
16299 (expand_expr_unaligned): New function.
16300 (do_compare_and_jump): Call it.
16302 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16303 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16304 does not include 'o'.
16306 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16307 both SET_DEST and SET_SRC reference a virtual register.
16308 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16310 * integrate.c (expand_inline_function): Handle case of setting
16311 virtual stack vars register (from built in setjmp); when parameter
16312 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16313 (subst_constant): Add new parm, MEMONLY.
16314 (expand_inline_function, integrate_parm_decls): Pass new parm.
16315 (integrate_decl_tree): Likewise.
16316 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16317 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16318 (copy_rtx_and_substitute, case SET): Add explicit calls to
16319 copy_rtx_and_substitute for both sides.
16321 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16323 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16324 within INDEX_TYPE, instead of before.
16325 (fixup_gotos): Use f->target_rtl, not the next insn,
16326 since latter may be from a later fixup.
16327 (expand_value_return): Correctly convert VAL when promoting function
16328 return; support RETURN_REG being a PARALLEL.
16329 (expand_return): When checking for result in regs and having
16330 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16332 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16334 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16335 last_nominal_fname): Mark const.
16336 (struct include_hash: name, nshort, control_macro): Mark
16338 (struct macrodef: symnam): Mark const.
16339 (struct if_stack: fname): Mark const.
16340 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16341 (IStable): New character-syntax array which encompasses all
16342 the old is_foo arrays.
16343 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16344 is_space): New macros for interrogating IStable.
16345 (check_macro_name): Kill last argument. All callers changed.
16347 * cppinit.c (initialize_char_syntax): Delete.
16348 (is_idchar, is_idstart, is_hor_space, is_space,
16349 trigraph_table): Delete.
16350 (IStable): New. Initialize with clever macros to avoid
16351 information duplication.
16352 (builtin_array): Table of builtins to get rid of explicit list
16353 in initialize_builtins.
16354 (initialize_builtins): Use builtins_array.
16355 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16356 opts->dollars_in_ident.
16358 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16360 (cpp_parse_expr): Avoid 'format string is not constant'
16361 warning. Use ISGRAPH to identify printable chars.
16362 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16364 (read_and_prescan): Map trigraphs to chars with open-coded
16365 if-else-if-... sequence, not a lookup table.
16366 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16368 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16369 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16370 (check_macro_name): Remove ability to report an invalid
16371 assertion name, which is never used.
16372 (do_line): Constify a couple of char *'s.
16373 * cppmain.c (main): Call cpp_cleanup before returning.
16375 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16377 * ggc.h (struct ggc_statistics): New type.
16378 (ggc_get_size): New function.
16379 (ggc_print_statistics): Likewise.
16380 * ggc-common.c (ggc_stats): New variable.
16381 (ggc_mark_rtx_children): Keep statistics.
16382 (ggc_mark_tree_children): Likewise.
16383 (ggc_print_statistics): New function.
16384 * ggc-page.c (struct globals): Add bytes_mapped field.
16385 (alloc_anon): Update it.
16386 (release_pages): Likewise.
16387 (ggc_get_size): New function.
16388 (ggc_page_print_statistics): New function.
16389 * ggc-simple.c (ggc_get_size): New function.
16391 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16393 * flow.c (propagate_block): When the last reference to a label
16394 before an ADDR_VEC is deleted because the reference is a dead
16395 store, delete the ADDR_VEC.
16397 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16399 * resource.c (find_free_register): Don't use the frame pointer
16400 if frame_pointer_needed.
16402 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16404 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16405 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16407 * config/i960/i960.c (i960_va_start): New locals base, num.
16408 Use INDIRECT_REF instead of ARRAY_REF on valist.
16409 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16411 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16413 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16415 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16417 * tree.def (PLACEHOLDER_EXPR): Update comments.
16419 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16421 * c-common.c (check_format_info): Avoid non-literal format string
16422 warnings when `first_arg_num' is zero.
16424 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16426 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16428 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16430 * arm.md (casesi_insn): Add a clobber of the condition code
16433 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16435 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16436 used by both cc1 and cc1plus.
16438 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16440 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16441 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16442 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16443 to the value 32 if it has not already been defined.
16444 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16445 Override definition in arm.h with a value of 8.
16447 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16449 * c-pragma.c (push_alignment): Don't check the return value
16452 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16454 * sparc.h (ADJUST_COST): Fix thinko.
16456 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16458 * cccp.c (rescan): Fixed obp pointer handling around call to
16459 check_expand subroutine.
16461 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16463 * gcse.c (delete_null_pointer_checks): Only record non-null info
16464 for pseudos when examining stores.
16466 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16467 splitters for these patterns. Use "#" for output templates.
16468 (addsi3_carryin_shift): New pattern.
16470 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16472 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16473 of the function return register into a plain REG until
16474 after function inlining is done.
16476 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16478 * jump.c (jump_optimize_1): If we did cross-jumping, and
16479 the data will matter, rebuild the CFG.
16480 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16481 not optimizing. Don't run shorten_branches.
16482 * toplev.c (rest_of_compilation): Run shorten_branches after
16485 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16487 * rtl.h (note_stores): Add additional paramter.
16488 * rtlanal.c (reg_set_p_1): Take additional paramter.
16489 (reg_set_last_1): Likewise.
16490 (reg_set_p): Adjust call to note_stores.
16491 (reg_set_last): Likewise.
16492 (note_stores): Pass data parameter to worker function.
16493 * alias.c (record_set): Take additional parameter.
16494 (init_alias_analysis): Pass it.
16495 * caller-save.c (mark_set_regs): Take additional parameter.
16496 (save_call_clobbered_regs): Pass NULL to note_stores.
16497 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16499 (record_dead_and_set_regs_1): Likewise.
16500 (reg_dead_at_p_1): Likewise.
16501 (combine_instructions): Adjust calls to note_stores.
16502 (try_combine): Likewise.
16503 (record_dead_insn): Remove.
16504 (record_dead_and_set_regs): Adjust calls to note_stores.
16505 (reg_dead_at_p): Likewise.
16506 * cse.c (invalidate_skipped_set): Take additional parameter.
16507 (cse_check_loop_start): Likewise.
16508 (cse_check_loop_start_value): Remove.
16509 (cse_set_around_loop): Adjust calls to note_stores.
16510 * flow.c (notice_stack_pointer_modification): Take additional
16511 parameter. Remove duplicate declaration.
16512 (record_volatile_insns): Adjust calls to note_stores.
16513 * gcse.c (record_set_info): Take additional parameter.
16514 (record_last_set_info): Likewise.
16515 (invalidate_nonnull_info): Likewise.
16516 (record_set_insn): Remove.
16517 (compute_sets): Adjust calls to note_stores.
16518 (last_set_insn): Remove.
16519 (compute_hash_table): Adjust calls to note_stores.
16520 (insert_insn_end_bb): Likewise.
16521 (delete_null_pointer_checks): Likewise.
16522 * global.c (mark_reg_store): Take additional parameter.
16523 (mark_reg_clobber): Likewise.
16524 (reg_becomes_live): Likewise.
16525 (global_conflicts): Adjust calls to note_stores.
16526 (build_insn_chain): Likewise.
16527 * integrate.c (note_modified_parmregs): Take additional parameter.
16528 (mark_stores): Likewise. Make it static.
16529 (save_for_inline_nocopy): Adjust calls to note_stores.
16530 (try_constants): Likewise.
16531 * integrate.h (mark_stores): Remove declaration.
16532 * jump.c (mark_modified_reg): Take additional parameter.
16533 (thread_jumps): Adjust calls to note_stores.
16534 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16536 (no_equiv): Likewise.
16537 (reg_is_set): Likewise.
16538 (validate_equiv_mem): Adjust calls to note_stores.
16539 (update_equiv_regs): Likewise.
16540 (block_alloc): Likewise.
16541 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16542 (note_addr_stored): Take additional parameter.
16543 (note_set_pseudo_multiple_uses): Likewise.
16544 (record_initial): Likewise.
16545 (prescan_loop): Adjust calls to note_stores.
16546 (strength_reduce): Likewise.
16547 (check_dbra_loop): Likewise.
16548 * regmove.c (flags_set_1): Take additional paramter.
16549 (mark_flags_life_zones): Adjust calls to note_stores.
16550 * reload1.c (mark_not_eliminable): Take additional parameter.
16551 (forget_old_reloads_1): Likewise.
16552 (reload_cse_invalidate_rtx): Likewise.
16553 (reload_cse_check_clobber): Likewise.
16554 (reload_combine_note_store): Likewise.
16555 (move2add_note_store): Likewise.
16556 (reload): Adjust calls to note_stores.
16557 (reload_as_needed): Likewise.
16558 (emit_reload_insns): Likewise.
16559 (reload_cse_regs_1): Likewise.
16560 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16561 (reload_combine): Adjust calls to note_stores.
16562 * resource.c (update_live_status): Take additional paramter.
16563 (mark_target_live_regs): Adjust calls to note_stores.
16564 * stupid.c (find_clobbered_regs): Take additional parameter.
16565 (stupid_life_analysis): Adjust calls to note_stores.
16567 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16569 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16572 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16575 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16576 of the variable arm_structure_size_boundary.
16578 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16580 * alias.c (init_alias_analysis): Allocate reg_known_value and
16581 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16583 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16584 * cse.c (cse_main): Call end_alias_analysis.
16585 * haifa-sched.c (schedule_insns): Likewise.
16586 * local-alloc. (update_equiv_regs): Likewise.
16587 * reload1.c (reload_cse_regs): Likewise.
16589 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16591 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16592 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16593 mapping from MASK_FPU.
16595 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16597 * sparc.md (call): Don't bound structure return size to 0xfff.
16599 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16601 * resource.c (mark_target_live_regs): Check that the target
16602 insn wasn't created after compute_bb_for_insn.
16604 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16606 * ggc-page.c (poison_pages): Don't be overzealous.
16608 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16610 * alias.c: Update comments for ADDRESS.
16611 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16612 it is a local memory reference.
16614 * c-typeck.c (build_function_call): Check that the built-in
16615 function is of class BUILT_IN_NORMAL before trying to recongize
16616 it as BUILT_IN_ABS.
16617 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16618 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16620 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16622 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16624 (pre_gcse): Likewise.
16625 (hoist_expr_reaches_here_p): Likewise.
16626 (hoist_code): Likewise.
16627 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16629 (pre_expr_reaches_here_p_work): ... here.
16630 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16632 (expr_reaches_here_p_work): ... here.
16634 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16636 * resource.c (find_basic_block): Delete.
16637 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16638 (init_resource_info): Call compute_bb_for_insn.
16640 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16642 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16643 with already adjacent blocks, but no fallthru.
16644 (merge_blocks_move_successor_nojumps): Simplify.
16645 (debug_flow_info): New.
16647 * toplev.c (rest_of_compilation): Open jump1 dump file before
16648 jump and close after, as opposed to just using dump_rtl.
16650 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16652 * reload.h (earlyclobber_operand_p): Declare.
16653 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16654 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16655 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16656 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16658 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16659 Richard Henderson <rth@cygnus.com>
16661 * emit-rtl.c (emit_block_insn_before): New.
16662 (emit_block_insn_after): New.
16663 * basic-block.h: Declare them.
16665 * bitmap.h: Protect from multiple inclusion.
16667 * recog.c (scratch_operand): Handle VOIDmode correctly.
16669 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16671 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16672 * function.c (assign_parms): Likewise.
16673 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16675 * reg-stack.c (max_uid): Remove.
16676 (blocks, block_begin, block_end, block_drops_in): Remove.
16677 (block_stack_in, block_out_reg_set, block_number): Remove.
16678 (struct block_info_def, BLOCK_INFO): New.
16679 (enum emit_where): New.
16680 (current_block): New.
16681 (BLOCK_NUM): Remove.
16682 (mark_regs_pat, record_label_references): Remove.
16683 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16685 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16686 (reg_to_stack): Simplified test for existance of fp code. Use
16687 flow.c code. Call shorten_branches after cross-jump opt.
16688 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16689 Return false if the asm doesn't use stack regs. Don't do life
16690 analysis on the asm.
16691 (emit_pop_insn): Replace function pointer arg `when' with
16692 enum `where'. Update all callers.
16693 (change_stack): Likewise. Update basic block end.
16694 (emit_swap_insn): Use current_block->head to limit reverse search
16695 for start of block. Use emit_block_insn_after.
16696 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16697 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16698 structure assignment instead of bcopy.
16699 (print_stack): New.
16700 (convert_regs_entry, convert_regs_exit): New.
16701 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16702 Work on basic blocks and the CFG.
16703 (convert_regs): Use them.
16705 * i386.c (output_fix_trunc): Remove code for DImode input operand
16706 not at top-of-stack.
16707 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16709 (fix_truncdi_1): Allow any mode scratch.
16711 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16713 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16714 * linux.h, netbsd.h, vms.h: Not here.
16716 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16718 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16719 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16720 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16721 CONDITIONAL_REGISTER_USEAGE): Use them.
16722 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16723 gen_conditional_branch,override_options) : Use them.
16724 * config/mips/mips.md : Use them.
16726 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16728 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16730 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16732 * integrate.c (function_cannot_inline_p): Don't allow inlining
16735 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16737 * c-parse.in (cast_expr): Constify.
16739 * cccp.c (special_symbol): Likewise.
16741 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16743 * dwarf2out.c (base_type_die): Likewise.
16745 * global.c (allocno_compare): Likewise.
16747 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16749 * regclass.c (fix_register): Likewise.
16751 * rtl.h (fix_register): Likewise.
16753 * stupid.c (stupid_reg_compare): Likewise.
16755 * toplev.c (decode_f_option): Likewise.
16757 * tree.c (build_complex_type): Likewise.
16759 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16761 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16763 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16765 * reload.c (find_reloads): Compute mode and nregs fields of all
16767 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16768 (calculate_needs): Use precomputed mode/nregs values.
16769 (allocate_reload_reg): Likewise.
16771 (failed_reload, set_reload_reg): ... new functions.
16772 (choose_reload_regs_init): New function, mostly broken out from...
16773 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16774 Also lose one #if 0 block.
16776 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16778 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16781 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16783 * tree.h (BLOCK_TYPE_TAGS): Remove.
16784 (BLOCK_END_NOTE): Likewise.
16785 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16786 (BLOCK_LIVE_RANGE_START): Likewise.
16787 (BLOCK_LIVE_RANGE_END): Likewise.
16788 (tree_block): Remove live_range_flag, live_range_var_flag, and
16789 type_tags. Remove end_note, live_range_start, and live_range_end.
16790 (remember_end_note): Remove prototype.
16791 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16792 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16794 * ggc-common.c (ggc_mark_tree_children): Don't mark
16795 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16796 * integrate.c (adjust_copied_decl_tree): Remove.
16797 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16798 * stmt.c (last_block_end_note): Remove.
16799 (init_stmt): Don't add a GC root for it.
16800 (expand_fixup): Don't set it.
16801 (remember_end_note): Remove.
16802 (expand_end_bindings): Don't set last_block_end_note.
16804 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16806 * reload1.c (reload_reg_free_for_value_p): Show
16807 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16810 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16812 * expmed.c (extract_bit_field): Allow for the case of non-integer
16813 objects that are smaller than a word (like SFmode on a 64-bit
16816 * loop.c (basic_induction_var): A non-integer variable which is
16817 being set by a paradoxical subreg is probably not a biv.
16819 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16821 * prefix.c (translate_name) Check for empty prefix string.
16823 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16825 * Makefile.in (CPP_CROSS_NAME): New variable.
16826 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16828 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16829 names of the files to be uninstalled.
16831 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16833 * collect2.c (IS_DIR_SEPARATOR): Define.
16834 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16836 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16839 * haifa-sched.c (add_dependence): Update the true dependency
16840 cache the first time we add a true dependence to the LOG_LINKS chain.
16842 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16844 * fold-const.c (fold): Fix comment.
16846 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16848 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16849 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16850 dbxout_start_new_source_file, dbxout_source_file,
16851 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16852 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16854 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16855 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16856 (dbxout_block): Initialize variable `blocknum'.
16858 * dbxout.h (dbxout_init, dbxout_finish,
16859 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16860 dbxout_args, dbxout_source_line): Constify a char*.
16862 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16863 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16864 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16865 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16866 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16867 src_info_attribute, mac_info_attribute, producer_attribute,
16868 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16869 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16870 dwarfout_undef): Constify a char*.
16871 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16873 * dwarfout.h (dwarfout_define, dwarfout_undef,
16874 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16876 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16878 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16879 (MULTILIB_ISA_DEFAULT): New.
16880 (MULTILIB_DEFAULTS): Use it.
16881 * config/mips/mips.c (): Remove the now unnecessary definition
16882 of MIPS_ISA_DEFAULT.
16883 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16884 unnecessary definition.
16886 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16888 * arm.md (pic_load_addr): Add constraints to operand 1.
16890 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16892 * fixinc/genfixes: Provide a means for specifying -D options to
16895 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16897 * arm.c (arm_override_options): Correct initialization of
16898 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16899 arm_is_strong, and arm_is_6_or_7.
16901 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16902 (note_set_pseudo_multiple_uses): New function.
16903 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16904 if a pseudo set in the loop exit is used elsewhere.
16906 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16908 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16910 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16912 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16913 a single load-address pattern.
16915 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16917 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16918 depending on whether or not line-number notes are present.
16920 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16922 * cccp.c (progname, file_buf, default_include, include_file,
16923 macrodef, definition, hashval, wchar_type, user_label_prefix,
16924 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16925 expand_to_temp_buffer, is_system_include, base_name,
16926 absolute_filename, read_name_map, open_include_file,
16927 record_control_macro, check_precompiled, check_preconditions,
16928 pcfinclude, pass_thru_directive, create_definition,
16929 check_macro_name, comp_def_part, collect_expansion,
16930 check_assertion, read_token_list, assertion_install,
16931 assertion_lookup, eval_if_expression, conditional_skip,
16932 validate_else, skip_quoted_string, quote_string, macarg1,
16933 error_from_errno, install, lookup, hashf, dump_defn_1,
16934 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16935 check_white_space, rescan, handle_directive, monthnames,
16936 special_symbol, do_include, remap_include_file, write_output,
16937 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16938 do_ident, do_sccs, do_xifdef, skip_if_group,
16939 output_line_directive, macroexpand, macarg, change_newlines,
16940 initialize_builtins, make_definition): Constify a char*.
16942 * pcp.h (stringdef): Likewise.
16944 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16946 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16949 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16950 Richard Henderson <rth@cygnus.com>
16952 * alias.c: Include ggc.h.
16953 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16954 (record_set): Verify enough room in reg_base_value.
16955 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16956 Register it as a GC root.
16957 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16958 * Makefile.in (alias.o): Depend on ggc.h.
16960 * unroll.c (unroll_loop): Verify the insn before a barrier
16961 is a JUMP_INSN before checking JUMP_LABEL.
16963 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16965 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16966 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16967 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16968 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16969 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16970 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16972 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16974 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16976 * alpha/alpha-interix.h (text_section): Delete prototype.
16977 * alpha/elf.h (text_section): Likewise.
16978 * arm/linux-elf.h (text_section): Likewise.
16979 * arm/linux-telf.h (text_section): Likewise.
16980 * c4x/c4x.h (text_section): Likewise.
16981 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16982 * elfos.h (text_section): Likewise.
16983 * i386/aix386ng.h (text_section): Likewise.
16984 * i386/i386-interix.h (text_section): Likewise.
16985 * i386/sco5.h (text_section): Likewise.
16986 * i386/svr3gas.h (text_section): Likewise.
16987 * nextstep.h (text_section): Likewise.
16988 * psos.h (text_section): Likewise.
16989 * ptx4.h (text_section): Likewise.
16990 * svr3.h (text_section): Likewise.
16991 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16993 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16995 * final.c (peephole): Delete prototype.
16997 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16998 (pre_insert_copies): Remove unused variable `bb'.
17000 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
17003 * output.h (peephole): Add prototype.
17005 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
17007 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
17010 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
17012 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
17013 for inlined declarations.
17015 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
17017 * arm.c (logical_binary_operator): New fucntion.
17018 * arm.h (logical_binary_operator): Declare it.
17019 (PREDICATE_CODES): Handle logical_binary_operator.
17020 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
17021 output constraints. Add appropriate splitters.
17022 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
17023 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
17024 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
17026 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17028 * genoutput.c (struct operand_data): New elt eliminable.
17029 (output_operand_data): Write it.
17030 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
17031 (compare_operands): Take it into account.
17032 * recog.h (struct insn_operand_data): New elt eliminable.
17033 * reload1.c (check_eliminable_occurrences, elimination_effects): New
17035 (old_asm_operands_vec, new_asm_operands_vec): Delete.
17036 (eliminate_regs): Move code that detects changes to elimination
17037 target regs into new function elimination_effects.
17038 Delete one #if 0 block.
17039 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
17040 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
17041 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
17042 Only call eliminate_regs for real operands of the insn, not for parts
17043 of its structure or parts matched by things like match_operator.
17044 Use elimination_effects and check_eliminable_occurrences. Use
17045 copy_insn to duplicate the pattern when not in the final pass.
17047 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
17049 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
17052 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17054 * fixinc/README: document the "mach" machine matching test
17055 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17056 * fixinc/fixtests.c: Implement the #else/#endif label test
17057 * fixinc/inclhack.def: utilize these tests and fixes
17058 * fixinc/inclhack.sh: regen
17059 * fixinc/fixincl.x: regen
17060 * fixinc/fixincl.sh: regen
17062 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17064 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17067 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17069 * gcc.1: Document exit codes.
17071 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17073 * calls.c: Include tm_p.h later, so everything we need is defined.
17074 * expr.c: Likewise.
17075 * function.c: Likewise.
17077 * except.c: Include tm_p.h.
17079 * sparc.c: Likewise.
17080 (dwarf2out_cfi_label): Don't prototype.
17081 (check_return_regs, epilogue_renumber,
17082 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17083 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17084 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17085 ultra_schedule_insn): Add static prototype.
17086 (data_segment_operand, text_segment_operand): Call itself with the
17087 proper number of arguments.
17088 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17090 * sparc.h: Move all declarations to sparc-protos.h.
17091 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17094 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17096 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17098 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17099 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17100 ASM_OUTPUT_ASCII): Constify a char*.
17102 * sparc-protos.h: New file for sparc prototypes.
17104 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17106 * function.c (record_insns, contains): Always declare and define.
17107 (record_insns): Mark with ATTRIBUTE_UNUSED.
17109 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17111 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17112 to .section when outputting a .bss section to deal with multiple
17113 .bss input sections (as happens with -fdata-sections)
17114 Also output %progbits, not @progbits so the assembler doesn't treat as
17116 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17118 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17119 thumb parts even when building with non-thumb CPUs, by forcing
17122 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17124 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17125 (movdf_const_intreg_sp64): Similarly.
17127 * local-alloc.c (update_equiv_regs): Check the correct insn
17128 for pre-existing REG_EQUIV notes.
17130 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17132 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17133 block reached by a branch if we're not going to actually process
17136 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17138 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17139 a local extern function declaration.
17141 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17143 * i386.c (ix86_expand_prologue): Properly wrap USE around
17144 reg for CALL_INSN_FUNCTION_USAGE.
17146 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17148 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17149 move between GP_REGs.
17151 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17153 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17154 the mode size when finding out if an offset is legal.
17156 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17158 * basic-block.h (PROP_*): Move constants from ...
17159 * flow.c: ... here.
17160 (compute_bb_for_insn): Free the array before reallocating.
17161 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17162 (allocate_reg_life_data): Reset all reg variables collected by
17164 (get_block_head_tail): Don't convert from bb to block.
17165 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17166 (find_insn_reg_weight): Take block not bb.
17167 (schedule_block): Don't set block num for moved insns.
17168 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17169 (schedule_insns): Do it here instead.
17170 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17171 before update_life_info.
17172 * recog.c (split_all_insns, peephole2_optimize): Update for
17173 new arg to update_life_info.
17174 * rtlanal.c (remove_note): Cope with NULL note.
17175 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17178 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17180 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17182 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17183 block records so that merge_blocks_nomove will clean up correctly.
17184 (split_edge): Handle casesi insns.
17186 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17188 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17190 * pa.md (call, call_value): Do not emit a blockage after restoring
17193 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17195 * c-typeck.c (c_expand_asm_operands): Fix typo.
17197 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17199 * arm.c (fpu_rhs_operand): Verify modes.
17200 (fpu_add_operand): Likewise.
17201 (di_operand): Likewise.
17202 (soft_df_operand): Likewise.
17204 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17206 * arm.c (arm_return_in_memory): APCS rules state that the elements
17207 of a structure returned in a register must be 'integer-like'.
17209 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17211 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17212 in the source tree when the generated targets are out of date
17213 * fixinc/genfixes: Alter it to run individual fixes for make.
17214 * fixinc/README: rewrite
17215 * fixinc/inclhack.def: moved initial comments to README
17217 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17219 * toplev.c (main): Do not generate an error message if an
17220 unrecognised command line switch is recognisable by another
17221 language. If extra_warnings are enabled, then generate a
17222 warning message instead.
17224 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17226 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17227 (insert_pack_attributes): Delete prototype.
17229 * c-pragma.c (default_alignment): New static variable.
17230 (push_alignment): Initialize to current effective alignment.
17231 (pop_alignment): Use to set new alignment.
17232 (insert_pack_attributes): Delete function.
17233 (handle_pragma_token): Set default_alignment as well each time
17234 a #pragma pack(<n>) is encountered.
17236 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17238 * reg-stack.c (stack_result): Aggregates are not returned in
17241 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17243 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17245 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17247 * basic-block.h (set_block_num): Declare.
17248 * flow.c (update_life_info): Don't call compute_bb_for_insn
17249 or free_basic_block_vars.
17250 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17251 (insn_orig_block): Remove.
17252 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17253 (schedule_block): Keep BLOCK_NUM up-to-date.
17254 (schedule_insns): Use compute_bb_for_insn.
17255 * recog.c (split_all_insns): Likewise.
17256 (peephole2_optimize): Likewise.
17258 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17260 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17261 if the pic register is used.
17263 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17265 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17266 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17267 if that tests TREE_PERMANENT.
17269 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17271 * cse.c (invalidate_for_call): Do not remove memory references from
17272 the table here. It's handled elsewhere.
17274 * haifa-sched.c (add_dependence): Protect references to the
17275 true dependency cache with #ifdef INSN_SCHEDULING.
17276 (remove_dependence): Similarly.
17278 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17279 to the cfg code that this is a return instruction.
17280 * mn10300.md (return_internal): Similarly.
17282 * combine.c (get_last_value): If the last set of a register
17283 is after subst_low_cuid, then we can not use it to determine
17284 the register's last value.
17286 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17288 * Makefile.in: Back out previous change.
17290 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17292 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17294 * haifa-sched.c (add_dependence): Only check/update the cache
17296 (remove_dependence): Likewise.
17297 (schedule_insns): Only create the true_dependency_cache if the
17298 average number of instructions in a basic block is very large.
17300 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17302 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17303 (ggc-simple.o): Likewise.
17304 (ggc-page.o): Likewise.
17306 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17308 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17309 Prototype for exported functions.
17310 (pre_lcm, pre_rev_lcm): Remove prototypes.
17311 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17312 (compute_available): Move to lcm.c, and change parameter order.
17313 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17314 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17315 (gcse_main): No longer call compute_preds_succs. Rebuild the
17316 set table after reach pre pass.
17317 (pre_insert_map, pre_delete_map, edge_list): New.
17318 (alloc_pre_mem): Allocate edge vectors.
17319 (free_pre_mem): Delete edge vectors.
17320 (compute_pre_data): Call new edge based lcm routines.
17321 (process_insert_insn): New function.
17322 (insert_insn_end_bb): Use it.
17323 (pre_edge_insert): New function.
17324 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17326 (pre_insert_copies): Revamp using new edge based lcm outputs.
17327 (pre_delete): Likewise.
17328 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17330 (compute_code_hoist_vbeinout): New new edge based routines.
17331 * lcm.c: Remove all the old LCM functions. Replace with new ones
17332 that work with the new cfg datastructures and work with edges
17335 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17337 * reload.h (struct reload): Add new fields "mode" and "nregs".
17338 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17339 to reference the "mode" and "nregs" field within struct reload.
17341 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17343 * haifa-sched.c (true_dependency_cache): New.
17344 (add_dependence): Use the true dependency cache to avoid expensive
17345 walks down the LOG_LINKS dependency list. Add entries to the
17346 cache as necessary.
17347 (remove_dependence): Remove entries from the true dependency cache
17349 (schedule_insns): Allocate and initialize and free the true
17352 * haifa-sched.c (schedule_insns): Do not remove inter-block
17353 dependencies anymore.
17355 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17357 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17358 * i386/t-winnt: Likewise.
17360 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17362 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17364 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17366 * Makefile.in (LANGUAGES): Omit "proto".
17367 (clean): Remove stale comment about removing unprotoize.c.
17369 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17371 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17372 using arithmetic on void pointers.
17374 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17376 * haifa-sched.c (compute_block_forward_dependencies): Only check
17377 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17379 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17381 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17382 (expr_equiv_p): Reject memories with different alias sets.
17384 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17386 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17387 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17388 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17389 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17390 (lang_init): Set default for flag_bounds_check if still "unspecified".
17392 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17394 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17396 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17398 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17401 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17403 * config/c4x/c4x.md (*db_noclobber,
17404 *decrement_and_branch_until_zero_noclobber): New patterns and
17405 associated splitters.
17407 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17409 * config/c4x/c4x.md (parallel instruction patterns): Rework
17410 constraints to keep reload happy.
17412 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17414 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17415 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17416 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17417 Add new patterns and associated post-reload splitters.
17419 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17421 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17423 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17425 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17427 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17429 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17431 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17434 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17436 * pa.c (move_operand): Rely on memory_address_p to determine the
17437 validity of non-indexed memory addresses.
17438 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17439 operand in DFmode and SFmode when generating PA2.0 code.
17441 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17443 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17445 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17447 * mips.c (function_prologue): Fix argument types.
17448 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17449 (casesi_internal): Write to the scratch register.
17451 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17453 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17455 (parse_charconst): Delete unnecessary cast when calling
17457 (cpplib.h): Kill prototype of cpp_parse_escape.
17459 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17461 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17462 * unroll.c (unroll_loop): Cast return value of alloca.
17463 * i370/i370.c: Include function.h and toplev.h.
17464 (i370_label_scan): Remove c++ commented abort.
17465 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17466 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17467 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17468 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17470 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17472 * config/t-freebsd: Do not override USER_H.
17473 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17475 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17476 Mumit Khan <khan@xraylith.wisc.edu>
17478 * c-parse.in (component_decl): Support anonymous struct/union.
17480 * c-parse.y: Regenerate.
17481 * c-parse.c: Likewise.
17482 * objc/objc-parse.y: Likewise.
17483 * objc/objc-parse.c: Likewise.
17484 * c-decl.c (finish_struct): Don't sort the fields.
17485 (field_decl_cmp): Delete unused function.
17487 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17489 * sparc.md (movsf_const_intreg): Revert last constraint change.
17490 (movdf_const_intreg_sp32): Likewise.
17492 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17494 * cse.c: Include hashtab.h instead of splay-tree.h
17495 (struct cse_reg_info): No longer use variant union. Add new
17496 field "regno". All references changed to avoid union.
17497 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17498 (free_cse_reg_info): Remove.
17499 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17500 (get_cse_reg_info): Revamp to use expandable hash tables instead
17501 of splay trees. Initialize new fields in cse_reg_info structure.
17502 (new_basic_block): Similarly.
17504 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17506 * genrecog.c (message_with_line): Prototype.
17507 (validate_pattern): Pass along the set for the dest, not a flag.
17508 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17509 Check for PC/CC0 as sources.
17510 (nodes_identical): Check for children position match before
17511 allowing the combination.
17513 * rtl.c (read_rtx): Track line number across \\\n.
17515 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17517 * mips.h (SPECIAL_MODE_PREDICATES): New.
17518 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17519 (movdi+1, movsi+1): Add output reload constraint.
17520 (casesi_internal): Likewise. Fix commentary.
17521 (return_internal): Use pmode_register_operand.
17523 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17525 * 1750a.md (movstrqi): Add missing output reload constraint.
17526 (call_value): Likewise.
17527 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17528 (jmpfdec): Add missing inout reload constraint.
17529 * elxsi.md (addsi patterns): Add missing output reload constraint.
17530 (move from sp): Use @ alternates.
17531 (call_value): No constraint on output.
17532 * fr30.md (movsi_pop): Add missing output reload constraint.
17533 (movsf_constant_store): Likewise.
17534 (splits): Remove constraints.
17535 (subsi3): Add missing mode.
17536 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17537 (call_value): Likewise.
17538 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17539 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17540 * m32r.md (movsicc_internal): Add output reload constraint.
17541 (movstrsi_internal): Add inout reload constraints.
17542 * m88k.h (reg_names): Don't declare.
17543 (SPECIAL_MODE_PREDICATES): New.
17544 * m88k.md (*): Use register_operand not reg_or_0_operand
17546 * mn10200.h (PREDICATE_CODES): New.
17547 * ns32k.md (ffs pattern): Add output reload constraint.
17548 * pdp11.md (sob pattern): Add inout reload constraint.
17549 * sh.md (splits): Remove constraints.
17550 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17551 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17552 * vax.md (jgequ pattern): Add inout reload constraint.
17554 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17556 * configure.in (djgpp): Revert previous patch.
17557 * configure: Rebuit.
17558 * config/i386/djgpp.h: Revert previous patch.
17560 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17562 * fixinc/inclhack.def: Restore patch lost during last merge of
17563 "no_bogosity" branch.
17564 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17566 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17568 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17569 * fixinc/inclhack.def: Same.
17570 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17572 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17574 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17575 as the base of a PLUS.
17577 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17579 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17580 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17582 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17584 * pa.md (post_stw+1): Use pmode_register_operand.
17585 (dcacheflush, icacheflush): Likewise.
17587 * i386.md (movstricthi_1): Allow r/r.
17589 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17591 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17592 to (not (and (arg0) (arg1))). Similary for and.
17594 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17595 fallthrough to associate code.
17596 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17599 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17600 no bits in common; remove XOR to ROTATE conversion.
17602 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17604 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17606 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17608 * config/c4x/c4x.c (dst_operand): New.
17609 (PREDICATE_CODES): Update.
17610 * config/c4x/c4x.h (dst_operand): Declare it.
17611 * config/c4x/c4x.md: Define mode for each unspec usage.
17612 (move patterns): Use dst_operand predicate instead of src_operand.
17613 (movqi_update, movqf_update): Delete.
17615 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17617 * recog.c (pmode_register_operand): New.
17618 * recog.h: Declare it.
17619 * genrecog.c (pred_codes): Likewise.
17620 (special_mode_pred_table): Likewise.
17621 (validate_pattern): Don't warn no mode for address_operand.
17623 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17624 if the operand is not insn-like.
17626 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17627 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17629 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17631 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17633 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17634 instead of general_operand in a SET_DEST. Use const_double_operand
17635 instead of an explicit test against CONST_DOUBLE.
17636 (movsf_const_lo): Add missing register mode.
17637 (goto_handler_and_restore): Add auxiliary test for Pmode.
17638 (flush): Adjust to use address_operand.
17639 (return_sf_no_fpu): Add missing output constraint.
17641 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17643 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17644 for call return value.
17645 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17647 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17649 * toplev.c (main): Only warn about options for other languages.
17650 * collect2.c (main): Pass -w to sub-gcc.
17652 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17654 * flow.c (propagate_block): Add call-clobbered registers to
17657 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17658 zapping mem_set_list.
17659 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17660 (mark_set_1, mark_used_regs): Likewise.
17662 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17664 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17666 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17668 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17669 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17670 options. Also add a new item "C-only Warning Options" to the
17673 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17675 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17676 from multiple calls.
17678 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17680 * i386.md (call value patterns): Move to the end of the file.
17681 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17683 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17685 * configure.in (djgpp configuration): Define extra_objects..
17686 * configure: Rebuilt.
17687 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17688 (DTORS_SECTION_ASM_OP): Define.
17689 (INIT_SECTION_ASM_OP): Define.
17690 (FINI_SECTION_ASM_OP): Define.
17691 (DATA_SECTION_ASM_OP): Define.
17692 (TEXT_SECTION_ASM_OP): Define.
17693 (EH_FRAME_SECTION_ASM_OP): Define.
17694 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17695 (STARTFILE_SPEC): Add crtbegin.o.
17696 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17697 to here from LINK_COMMAND_SPEC.
17698 (DO_GLOBAL_CTORS_BODY): Define.
17699 (CRTSTUFF_USE_FINI_SECTION): Define
17700 (HAS_INIT_SECTION): Delete.
17702 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17704 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17706 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17708 * pa.h (PREDICATE_CODES): New.
17710 * genrecog.c (validate_pattern): Condense the destination
17711 non-lvalue message.
17713 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17715 * alpha.md (call-1): Supply missing mode for operator.
17716 (*): Add missing output reload constraints. Remove constraints
17717 from define_splits.
17719 * i386.h (SPECIAL_MODE_PREDICATES): New.
17720 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17721 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17722 (addsi_lea_3): Add missing mode for op 3.
17723 (prologue_set_got, prologue_get_pc): Add missing modes.
17724 (*) Add missing output reload constraints.
17726 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17728 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17729 check for member bit-size overflow and use var_size if it occurs.
17730 (layout_record): Use bitsize_int() to define the type size in bits.
17731 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17732 (layout_decl): Likewise when assigning to DECL_SIZE.
17734 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17736 * genrecog.c (validate_pattern): Typo last change. Verify
17737 that output operands have output reloads.
17739 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17741 * genrecog.c (special_mode_pred_table): New.
17742 (NUM_SPECIAL_MODE_PREDS): New.
17743 (find_operand): New.
17744 (validate_pattern): New argument `insn'. Warn for assignment to
17745 any predicate accepting non-lvalues. Conditionaly warn for
17746 match_operand without a mode. Try much harder to match source
17747 and destination modes on a set.
17748 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17750 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17752 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17754 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17756 * combine.c (simplify_logical): Recognize xor pattern that encodes
17759 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17761 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17764 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17766 * ggc-page.c (MAP_FAILED): Provide default.
17768 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17770 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17771 * sparc.h (PREDICATE_CODES): Update.
17773 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17775 * alpha.c (some_ni_operand): New.
17776 * alpha-protos.h: Declare it.
17777 * alpha.h (PREDICATE_CODES): Update.
17778 * alpha.md (sXaddq reload insns): Use some_ni_operand
17779 for SET_DEST instead of some_operand.
17781 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17782 Jim Wilson <wilson@cygnus.com>
17784 * genrecog.c (maybe_both_true_2): Don't compare modes of
17786 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17787 after find_afterward.
17788 (debug_decision_1): Dump next and afterward codes.
17790 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17792 * rtl.c (dump_and_abort): Remove.
17793 (fatal_with_file_and_line): New.
17794 (fatal_expected_char): New.
17795 (read_rtx_lineno, read_rtx_filename): New.
17796 (read_skip_spaces): Track line number.
17797 (read_name): Use fatal_with_file_and_line.
17798 (read_rtx): Use fatal_expected_char. Track line number.
17799 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17801 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17802 if it isn't a CODE_LABEL.
17804 * genattr.c (main): Set read_rtx_filename.
17805 * genattrtab.c (main): Likewise.
17806 * gencodes.c (main): Likewise.
17807 * genconfig.c (main): Likewise.
17808 * genemit.c (main): Likewise.
17809 * genextract.c (main): Likewise.
17810 * genflags.c (main): Likewise.
17811 * genopinit.c (main): Likewise.
17812 * genoutput.c (main): Likewise.
17813 * genpeep.c (main): Likewise.
17815 * genrecog.c (decision_test.u.insn): Add `lineno'.
17816 (pattern_lineno, error_count): New variables.
17817 (message_with_line): New.
17818 (add_to_sequence): Break out checking code to ...
17819 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17820 (merge_insn): Use message_with_line.
17821 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17822 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17824 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17826 * expr.c (store_constructor): Clear union if constructor is empty.
17828 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17830 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17831 Add !endian checks. Change %{...} to %(...).
17833 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17835 * i386.md (*addsi3_cc): Renamed from addcsi3.
17836 (*addsi3_carry): Renamed from addxsi3.
17837 (*subsi3_cc): Renamed from subcsi3.
17838 (*subsi3_carry): Renamed from subxsi3.
17839 (*xorqi_cc_1): Renamed from xorcqi_1.
17840 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17841 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17843 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17845 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17846 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17848 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17850 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17851 climb up the chain of insns.
17853 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17855 * genrecog.c (write_subroutine): Careful for null trees.
17856 (process_tree): Don't elide empty functions.
17858 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17860 * Makefile.in (genrtl.o): Depend on ggc.h.
17861 * configure.in (valloc): Probe for it.
17862 (with-gc): Use ggc-page if valloc present.
17863 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17864 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17865 (ggc_alloc_string): Moved from ggc-page.c.
17866 * ggc-none.c (ggc_alloc_obj): New.
17867 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17868 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17869 (struct globals): Likewise for dev_zero_fd.
17870 (init_ggc): Likewise for it's initialization.
17871 (ggc_allocated_p): Move careful dereference from ...
17872 (ggc_lookup_page_table): ... here. Delete.
17873 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17874 (alloc_anon): Use valloc if no mmap.
17875 (release_pages): Use free if using valloc.
17876 (ggc_alloc_obj): Renamed from alloc_obj.
17877 (ggc_set_mark): Renamed from mark_obj.
17878 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17879 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17880 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17881 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17882 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17883 (ggc_collect): Use fp printing instead of our own rounding.
17884 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17885 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17886 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17887 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17888 (struct ggc_string, struct ggc_any): Delete.
17889 (offsetof): Provide default definition.
17890 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17892 (struct ggc_mem): New, from corpse of ggc_any.
17893 (struct ggc_status): Delete.
17894 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17895 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17896 (n_strings_collected, n_anys_collected): Delete.
17897 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17898 (ggc_alloc_string, ggc_alloc): Delete.
17899 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17900 (ggc_free_string, ggc_free_any): Delete.
17901 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17902 (ggc_compare_addresses, ggc_mark_string): Delete.
17903 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17904 (search_data): Delete.
17905 (struct globals): New.
17906 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17907 (tree_insert, tree_lookup): New.
17908 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17909 (clear_marks, sweep_objs): New.
17910 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17911 (init_ggc): Set allocated_last_gc.
17912 (ggc_push_context): Gut. Use G.context.
17913 (ggc_pop_context): Likewise.
17914 (ggc_pop_context_1): New.
17915 (debug_ggc_tree): New.
17916 (debug_ggc_balance, tally_leaves): New.
17917 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17918 (ggc_mark_string_if_gcable): Remove decl.
17919 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17920 (ggc_mark_rtvec_children): New.
17921 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17922 (ggc_mark_if_gcable): New decl.
17923 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17924 (ggc_alloc_tree, ggc_alloc): Likewise.
17925 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17926 (ggc_alloc_obj): New decl.
17927 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17928 (ggc_alloc_tree, ggc_alloc): Likewise.
17929 (ggc_set_mark): New decl.
17930 * rtl.h (struct rtx_def): Remove gc_mark.
17931 (struct rtvec_def): Likewise.
17932 * tree.h (struct tree_common): Likewise.
17934 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17936 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17937 float_format and thread_file definitions.
17938 * configure: Rebuilt.
17940 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17942 * extend.texi (Function Names): Document types of function names.
17944 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17946 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17947 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17949 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17951 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17953 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17955 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17957 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17959 * collect2.c (main): Do prelimnary link on AIX if rflag.
17961 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17963 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17964 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17966 (__do_global_dtors): similarly for __DTOR_LIST__.
17968 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17969 Diego Novillo <dnovillo@cygnus.com>
17971 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17974 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17976 * fixincl/*: Merged "no_bogosity" branch
17977 * fixincl/fixlib.h: protect against doubly defining t_bool
17978 * fixincl/server.h: protect against doubly defining t_bool
17980 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17982 * genoutput.c: Include toplev.h.
17984 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17986 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17988 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17989 * configure: Regenerate.
17991 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17993 * gcse.c (delete_null_pointer_checks): Returns void.
17995 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17997 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17998 * emit-rtl.c (copy_insn_1): Likewise.
18000 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18002 * config/mips/mips.c (mips_build_va_list): Correct
18003 TREE_CHAIN setting when hard-float.
18004 (mips_va_start): Use corrected setting.
18005 (mips_va_arg): Likewise. Also pass a tree to build of
18006 POSTINCREMENT_EXPR rather than a naked 'int'.
18008 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
18010 * ggc.h (ggc_push_context): Fix comment.
18011 (ggc_pop_context): Likewise.
18012 (mark_string_if_gcable): Likewise.
18013 * ggc-common.c (ggc_mark_rtx_children): Use
18014 ggc_mark_string_if_gcable.
18015 * ggc-page.c (ggc_lookup_page_table): New function.
18016 (ggc_allocated_p): Likewise.
18017 (mark_obj): Fix formatting.
18018 (ggc_mark_string_if_gcable): New function.
18019 * ggc-simple.c (ggc_allocated_strings): New variable.
18020 (ggc_strings_used): Likewise.
18021 (ggc_compare_addresses): New function.
18022 (ggc_pop_context): Pop the `any' memory too.
18023 (ggc_mark_string_if_gcable): New function.
18024 (ggc_collect): Initialize and tear down ggc_allocated_strings.
18026 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
18028 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
18029 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
18030 * rs6000.c (expand_block_move): Match movstrsi_?reg register
18033 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
18035 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
18036 (sched_reg_live_length, sched_reg_basic_block): Delete.
18037 (current_block_num, bb_live_regs, old_live_regs): Delete.
18038 (dead_notes, struct sometimes): Delete.
18039 (sched_note_set, birthing_insn_p): Delete.
18040 (adjust_priority): Gut useless reg lifetime code.
18041 (create_reg_dead_note, attach_deaths): Delete.
18042 (attach_deaths_insn, new_sometimes_live): Delete.
18043 (finish_sometimes_live): Delete.
18044 (find_pre_sched_live, find_post_sched_live): Delete.
18045 (update_reg_usage): Delete.
18046 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
18047 (schedule_insns): Delete reg lifetime code.
18048 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
18049 (unlink_other_notes): Adjust REG_NOTE commentary.
18050 (reemit_notes): Use REG_SAVE_NOTE.
18051 (schedule_block): Likewise.
18052 (schedule_region): Allocate bitmap of blocks in region. Use
18053 count_or_remove_death_notes. Use update_life_info.
18055 * rtl.h (REG_SAVE_NOTE): New.
18056 * rtl.c (reg_note_name): Update.
18058 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18060 * combine.c (refresh_blocks, need_refresh): New.
18061 (combine_instructions): Allocate refresh_blocks. Invoke
18062 update_life_info if needed.
18063 (distribute_notes): Mark refresh_blocks instead of installing
18065 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18066 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18068 * Makefile.in (recog.o): Depend on basic-block.h.
18070 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18072 * genrecog.c (add_to_sequence): Thinko last change: delete
18073 shadowing allow_const_int variable.
18075 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18077 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18078 __GNUC__ and __GNUC_MINOR__.
18080 * gansidecl.h: Likewise.
18086 * toplev.h: Likewise.
18088 * tree.c: Likewise.
18090 * tree.h: Likewise.
18092 * varray.c: Likewise.
18094 * varray.h: Likewise.
18096 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18098 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18099 use one before a jump table.
18101 * rtl.def (ADDRESS): Change documentation to match reality.
18102 * md.texi: Don't document it.
18103 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18106 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18108 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18110 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18111 known predicate block; default allow_const_int true.
18112 (debug_decision_list): New.
18114 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18116 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18118 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18120 * gcse.c (gcse_main): Avoid global optimizations if we have a
18121 large number of basic blocks and the ratio of edges to blocks
18123 (delete_null_pointer_checks): Likewise.
18125 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18127 * c-common.c (check_format_info): Warn if format string isn't a
18130 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18132 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18133 * configure: regenerate
18135 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18137 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18138 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18139 (peepholes): Re-enable.
18141 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18143 * Makefile.in (flow.o): Depend on TREE_H.
18144 * basic-block.h (REG_SET_EQUAL_P): New.
18145 (XOR_REG_SET): New.
18146 (n_edges): Declare.
18147 (free_regset_vector): Remove declaration.
18148 (flow_delete_insn_chain): Declare.
18149 (enum update_life_extent): New.
18150 (update_life_info, count_or_remove_death_notes): Declare.
18151 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18152 Verify register live at bb->global_live_at_start before adding USE.
18153 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18154 (CLEAN_ALLOCA): New.
18156 (PROP_*): New flags.
18157 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18158 (clear_edges): Zero n_edges.
18159 (make_edge): Increment n_edges.
18160 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18161 (flow_delete_insn_chain): Export.
18162 (delete_block): Decrement n_edges.
18163 (merge_blocks_nomove): Likewise.
18164 (life_analysis): Give life_analysis_1 PROP flags.
18165 (verify_wide_reg_1, verify_wide_reg): New.
18166 (verify_local_live_at_start): New.
18167 (update_life_info): Rewrite to call into propogate_block.
18169 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18170 always mark stack pointer. Conditionally mark PIC register.
18171 After reload, mark call-saved registers, return regsiters.
18172 (life_analysis_1): Accept PROP flags not remove_dead_code.
18173 Call mark_regs_live_at_end before zeroing regs_ever_live.
18174 Use calculate_global_regs_live. Copy global_live_at_end before
18175 calling final propagate_block. Zero reg_next_use on exit.
18176 (calculate_global_regs_live): New.
18177 (allocate_bb_life_data): Don't allocate bb->local_set.
18178 (init_regset_vector, free_regset_vector): Remove.
18179 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18180 Test flags before every operation. Warn if prologue/epilogue insn
18181 would have been deleted.
18182 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18183 Use alloc_EXPR_LIST.
18184 (mark_used_regs): Accept and use FLAGS, not FINAL.
18185 Remove special handling for RETURN.
18186 (try_pre_increment): Use alloc_EXPR_LIST.
18187 (dump_flow_info): Dump n_edges.
18188 (unlink_insn_chain, split_hard_reg_notes): Remove.
18189 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18190 (find_insn_with_note, new_insn_dead_notes): Remove.
18191 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18192 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18193 (replace_insns): Remove.
18194 (count_or_remove_death_notes): New.
18195 (verify_flow_info): Abort on error after all checks.
18196 (remove_edge): Decrement n_edges.
18197 (remove_fake_edges): Tweak format.
18198 * haifa-sched.c (schedule_insns): Use split_all_insns.
18199 * output.h (update_life_info): Remove declaration.
18200 * recog.c (split_all_insns): From the corpse of split_block_insns,
18201 do the whole function block by block. Use update_life_info.
18202 (recog_last_allowed_insn): New.
18203 (recog_next_insn): Mind it.
18204 (peephole2_optimize): Set it. Walk backwards through blocks.
18205 Use update_life_info.
18206 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18207 (split_all_insns): Declare.
18208 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18209 Use split_all_insns.
18211 * i386.md (or -1 peep2s): Disable.
18213 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18215 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18216 a single pattern. Scrap the 'd' versions as unnecessary.
18218 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18219 tablejump_mips162,tablejump_internal4): The operands to a
18220 label_ref must be VOIDmode.
18222 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18224 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18226 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18228 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18230 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18232 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18233 cache every function if ggc_p.
18235 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18237 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18238 instead of copy_rtx. Accept sequences that contain asm statements.
18239 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18240 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18241 orig_asm_operands_vector, copy_asm_operands_vector,
18242 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18244 * rtl.h (copy_insn, copy_insn_1): Declare.
18246 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18248 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18250 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18251 arguments to `current_file_function_operand'.
18253 * genrecog.c: Include hard-reg-set.h and resource.h in the
18254 generated output file.
18256 * real.c: Include tm_p.h.
18258 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18260 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18263 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18265 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18266 before the fctiwz insn.
18268 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18269 Mark Mitchell <mark@codesourcery.com>
18271 * tree.c (make_lang_type_fn): New funtion pointer.
18272 (make_lang_type): Call it.
18273 * tree.h (make_lang_type): Declare.
18274 (make_lang_type_fn): Likewise.
18275 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18277 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18279 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18280 make sure that HIGH instructions are copied into BASE_REGS.
18282 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18284 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18286 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18288 * c-decl.c (finish_struct): Use simpler method of
18289 removing elements of a singly-linked list.
18291 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18293 * alpha.md (peephole2's): Comment out peephole2's that generate
18296 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18298 * genrecog.c (add_to_sequence): Disable mode check for
18301 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18303 * ggc-simple.c (init_ggc): Set empty_string.
18305 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18307 * configure.in: Detect mmap. Add --with-gc=foo to select
18308 garbage collector; default to page if mmap available.
18309 * Makefile.in (GGC): Substitute.
18311 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18313 * c-decl.c (ggc_p): Enable.
18315 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18317 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18319 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18321 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18322 string for little-endian-data.
18324 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18326 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18327 case somebody tries to compile --enable-checking code with gcc
18330 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18332 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18335 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18337 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18338 * jump.c (jump_optimize_1): Document why.
18340 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18342 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18343 pointers and casts for `int_handler' and `quit_handler'.
18345 * flow.c (verify_flow_info, split_hard_reg_notes,
18346 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18347 remove_edge, remove_fake_successors): Add static prototypes.
18348 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18349 (mark_set_1): Initialize variable `regno'.
18350 (unlink_insn_chain): Likewise for variable `curr'.
18351 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18353 * loop.c (strength_reduce): Initialize variable
18354 `unrolled_insn_copies'.
18355 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18356 prototypes. Change these functions to take const PTR parameters
18357 to avoid prototype conflict when used as the comparson argument
18359 (check_dbra_loop): Initialize variable `comparison_val'.
18361 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18362 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18363 (find_valid_class): Initialize variable `best_class'.
18364 (find_reloads): Call memcpy, not bcopy.
18366 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18367 (hard_reg_use_compare): Don't needlessly cast away const.
18368 (reload_reg_class_lower): Likewise.
18369 (choose_reload_regs): Initialize variable `regno'.
18371 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18373 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18375 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18377 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18378 ({,d}discard): Add forward declarations. Declare parameter as
18380 (main_without_main): Explicitly declare return type to be int.
18381 (memcpy): Properly declare.
18383 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18384 building the trampoline support, declare malloc, free, and
18386 (__clear_cache): Mark arguments as potentially unused.
18388 * frame.c (toplevel): If inhibit_libc is defined, declare
18391 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18393 * flow.c (make_edge): Accept an optional 2D bitmap in which
18394 to cache edge existence. Update all callers.
18395 (make_label_edge, make_eh_edge): Pass through the edge cache.
18396 (make_edges): Provide the cache.
18398 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18400 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18402 (local_mbtowc): Change the type of variable `i' from int to size_t.
18404 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18405 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18407 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18409 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18410 after other includes that define the appropriate types. Include
18411 tm_p.h for getting user prototypes.
18412 * ggc-callbacks.c (toplevel): Ditto.
18413 * ggc-none.c (toplevel): Ditto.
18414 * gcc-page.c (toplevel): Ditto.
18415 * ggc-simple.c (toplevel): Ditto.
18417 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18418 Jonathan Larmour <jlarmour@cygnus.co.uk>
18420 * config/mips/mips.c (mips_move_2words): Split doubles if
18421 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18423 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18425 * genrecog.c (struct decision_test): New.
18426 (struct decision): Remove test-related members, sort the rest by size.
18427 (IS_SPLIT): Simplify.
18428 (new_decision, new_decision_test): New.
18429 (add_to_sequence): Use them. No special handling for args of
18431 (maybe_both_true): Renamed from not_both_true; return sense changed.
18432 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18433 of maybe_both_true and adjusted for decision_test.
18434 (position_merit): Remove.
18435 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18436 (merge_accept_insn): New, broken out of merge_trees.
18437 (merge_trees): Use them. No special case for c_test; no node
18438 splitting; use test type instead of position_merit.
18439 (factor_tests): New.
18440 (simplify_tests): New.
18441 (break_out_subroutines): Don't write code now.
18442 (find_afterward): New.
18443 (write_afterward, write_switch, write_cond): New.
18444 (write_action, is_unconditional): New.
18445 (write_node): New. Use them.
18446 (write_tree_1): Rewrite. Use the new functions above.
18447 (write_tree): Remove afterward processing.
18448 (write_subroutine): Simplify function variant emission.
18449 (write_subroutines): New.
18450 (same_codes, clear_codes): Remove.
18451 (same_modes, clear_modes): Remove.
18452 (write_header): New, broken out of main.
18453 (make_insn_sequence): Use new_decision and new_decision_test.
18454 (process_tree): New, broken out of main.
18455 (main): Adjust for merge_trees interface change.
18456 Don't #define operands in the output file.
18457 (record_insn_name): New, broken out of make_insn_sequence.
18458 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18459 (debug_decision): New.
18461 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18463 * resource.c (find_free_register): Mark class_str argument const.
18464 * resource.h: Update prototype to match.
18466 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18467 * i386.md: Give all anonymous insns names.
18469 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18471 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18474 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18476 * toplev.c (dbr_sched_time): Unconditional.
18477 (peephole2_time): New.
18478 (compile_file): Add pass numbers to all of the dump file suffixes.
18479 Dump peephole2_time. Don't dump times for non-applicable passes.
18480 (rest_of_compilation): Add pass numbers to dump file suffixes.
18481 Conditionalize calls to the scheduler.
18482 * invoke.texi: Update.
18484 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18486 * flow.c (make_edges): Fix insn iteration.
18487 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18488 (find_basic_blocks_1): Fix spelling mistake.
18490 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18492 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18493 always have side-effects. Use memset not bzero.
18494 (make_node): Likewise.
18496 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18498 * stmt.c (expand_anon_union_decl): When any of the elements of the
18499 union is addressable, so is the entire union.
18501 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18503 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18505 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18506 * bitmap.c (bitmap_operation): Return true iff TO changed.
18507 (bitmap_equal_p): New.
18508 (bitmap_bit_p): Tidy arithmetic.
18509 (debug_bitmap_file): Likewise.
18511 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18513 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18514 before cse2 instead of after.
18516 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18518 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18521 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18523 * cppinit.c (is_idchar initializer): Loosen tests to accept
18526 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18528 * mips.md: Define conditional move patterns for floating point
18529 operands and DI mode conditions.
18531 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18533 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18534 always have side-effects.
18536 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18538 * mn10200.c (asm_file_start): Fix typo.
18540 * cppinit.c (is_idchar initializer): Tighten tests for when
18541 to put the table into initialized memory.
18543 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18544 not an array of rtunion.
18545 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18546 * gcc-simple (ggc_free_rtvec): Similarly.
18548 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18551 * mbchar.h: Add missing #endif.
18553 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18554 (FPBIT, DPBIT): Define.
18556 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18558 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18560 * profile.c (instrument_arcs, output_gcov_string,
18561 tablejump_entry_p): Add static prototypes.
18562 (output_gcov_string): Constify a char*.
18564 * regmove.c (replacement_quality, fixup_match_2): Add static
18567 * resource.h (reg_dead_p): Add extern prototype.
18569 * rtl.c (trim_filename): Add static prototype.
18571 * scan-decls.c (skip_to_closing_brace): Likewise.
18573 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18574 (expand_end_case): Initialize variable `range'.
18575 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18577 * varasm.c (asm_emit_uninitialised): Add static prototype.
18578 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18581 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18583 * cpplib.c (if_directive_nameo): Add static prototype.
18585 * cse.c (cse_insn): Remove unused variable `p'.
18587 * except.c (create_rethrow_ref, push_entry,
18588 receive_exception_label, new_eh_region_entry, find_func_region,
18589 clear_function_eh_region, process_nestinfo): Add static prototypes.
18590 (get_reg_for_handler): Hide definition.
18591 (process_nestinfo): Initialize variable `extra_handlers'.
18593 * expr.h (expand_builtin_longjmp): Add extern prototype.
18595 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18597 * function.c (prepare_function_start): Likewise.
18598 (pop_function_context_from): Mark parameter `context' with
18600 (push_temp_slots_for_block, flush_addressof): Hide definition.
18602 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18603 solve_program_flow_graph, calculate_branch_probs,
18604 function_summary, main, fancy_abort): Add prototypes.
18606 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18607 (add_hash): Constify a char*.
18609 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18610 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18611 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18613 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18615 * lists.c (free_list, zap_lists): Likewise.
18617 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18619 * alias.c (nonlocal_reference_p): Add static prototype.
18621 * bitmap.c (bitmap_element_allocate): Prototype args in function
18624 * builtins.c (stabilize_va_list): Add static prototype.
18625 (expand_builtin_va_arg): Constify a char*.
18627 * c-lex.c (getch, put_back, extend_token_buffer_to,
18628 read_line_number, token_getch, token_put_back): Add static
18631 * c-parse.gperf (hash, is_reserved_word): Likewise.
18633 * cccp.c (is_dir_separator): Likewise.
18635 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18637 * graph.h: New file to prototype functions exported by graph.c.
18639 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18641 * graph.c: Include graph.h.
18643 * toplev.c: Likewise. Remove redundant prototypes.
18645 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18647 * invoke.texi: Removed duplicated description for -Q.
18649 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18651 * extend.texi: Grammar fix in __extension__ text.
18653 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18655 * md.texi (define_peephole2): New section.
18657 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18659 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18660 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18663 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18665 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18667 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18669 * i386.md (ffs expander): Emit Pentium friendly code for
18672 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18674 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18676 (build1): Likewise.
18678 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18680 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18682 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18684 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18685 register is in use.
18687 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18689 * md.texi (No Constraints): Delete section.
18690 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18691 * final.c (final_scan_insn): We always have register constraints.
18692 * genattrtab.c: Don't include "insn-config.h".
18693 (write_attr_case): We always have register constraints.
18694 * genconfig.c (register_constraint_flag): Delete.
18695 (walk_insn_part): Don't check whether we have register constraints.
18696 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18697 * genoutput.c (have_constraints): Delete.
18698 (main): Don't set it.
18699 (output_operand_data): We always have constraints.
18700 (scan_operands): Likewise.
18701 (compare_operands): Likewise.
18702 * local-alloc.c (block_alloc): We always have constraints.
18703 (requires_inout): Always compile this function.
18704 * recog.c (extract_insn): We always have constraints.
18705 (constrain_operands, reg_fits_class_p): Always compile these
18707 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18709 (struct insn_operand_data): Likewise.
18710 * regclass.c (regclass): We always have constraints.
18711 (record_reg_classes, copy_cost, record_address_regs,
18712 auto_inc_dec_reg_p): Always compile these functions.
18713 * regmove.c (regmove_optimize): We always have constraints.
18714 * reload.c (find_reloads): Likewise.
18715 * reload1.c (reload): Likewise.
18716 (reload_cse_simplify_operands): Likewise.
18717 * i860.c (output_delay_insn): Likewise.
18719 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18721 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18723 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18725 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18726 for the va_list record.
18728 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18730 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18733 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18735 * alias.c: Include insn-flags.h.
18736 * Makefile.in (alias.o): Update.
18738 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18740 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18741 to LTU and GEU. Handle more cases using sbb.
18743 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18745 * i386.md (truncatexfdf splitters): Do not use subreg.
18746 (fop XFmode patterns): Fix mode in operand testing.
18748 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18750 * jump.c (jump_optimize_1): Amend last change to test only the
18751 form of the operand, not the insn.
18753 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18754 not register_operand to determine when B may need preloading.
18756 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18758 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18759 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18760 (call-value patterns): Move to end of file.
18761 (*): Remove mode from label_ref in (pc) context.
18762 (movstrqi): Use memory not general_operand for BLKmode operands.
18763 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18764 to register_operand operands.
18765 (peep2 patterns): Convert from commented-out peephole patterns.
18767 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18769 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18770 to BUILT_IN_INIT_DWARF_REG_SIZES.
18771 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18772 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18773 expand_builtin_init_dwarf_reg_sizes.
18774 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18775 with __builtin_init_dwarf_reg_size_table.
18776 * dwarf2out.c (struct reg_size_range): Delete.
18777 (expand_builtin_init_dwarf_reg_sizes): New function.
18778 (expand_builtin_dwarf_reg_size): Delete.
18779 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18780 (expand_builtin_dwarf_reg_size): Don't declare.
18781 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18782 (dwarf_reg_size_table): New.
18783 (init_reg_size_table): New function.
18784 (copy_reg): Use dwarf_reg_size_table.
18785 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18788 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18790 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18791 Correctly build argument list to constructor and destructor functions.
18793 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18795 * c-tree.h (warn_float_equal): Declare.
18796 * c-decl.c (warn_float_equal): Define.
18797 (c_decode_option): Recognize -W[no-]float-equal.
18798 * c-typeck.c (build_binary_op): Conditionally warn
18799 about equality tests of floating point types.
18800 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18801 * invoke.texi: Add docs for -Wfloat-equal warning.
18803 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18805 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18806 generating RTL directly.
18807 * mips.h (INIT_TARGET_OPTABS): Likewise.
18808 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18810 * expr.h (init_mov_optab): Delete declaration
18812 * h8300.c (WORD_REG_USED): Update to avoid useless register
18813 saves in interrupt functions and functions which never return.
18815 * cse.c (struct set): Delete inner_dest_loc field.
18816 (cse_insn): Remove assignments to inner_dest_loc field.
18818 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18820 * ggc-page.c: Don't include <unistd.h> etc taken care of
18821 by "system.h". Include <sys/mman.h> afterward.
18823 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18825 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18828 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18830 * xcoffout.c (xcoffout_declare_function): Add documentation.
18831 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18832 TARGET_64BIT. Compare constant to -1, not bit pattern.
18833 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18834 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18837 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18839 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18840 origin_die is NULL.
18841 (gen_inlined_enumeration_type_die): Do not abort if the type has
18842 not been writeen out.
18843 (gen_inlined_structure_type_die): Do not abort if the type has
18844 not been writeen out.
18845 (gen_inlined_union_type_die): Do not abort if the type has
18846 not been writeen out.
18847 (gen_tagged_type_instantiation_die): Do not abort if the type
18848 has not been written out.
18850 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18852 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18854 * reg-stack.c (straighten_stack): Copy hard reg set with
18857 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18859 * builtins.c (stabilize_va_list): Stabilize array type va_list
18860 to a pointer type, not the base record type.
18861 (expand_builtin_va_copy): Dereference the pointers explicitly;
18862 use the correct size for the copy.
18864 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18865 (rs6000_va_arg): Likewise.
18867 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18869 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18871 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18873 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18875 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18877 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18879 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18880 (init_ggc): Use it instead of a constant.
18881 (ggc_collect): Bound allocated_last_gc by it.
18883 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18885 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18888 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18890 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18891 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18892 * configure: Regen.
18893 * config/mips/openbsd.h: New, OpenBSD little endian target.
18894 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18895 * config/mips/xm-openbsd.h: New, OpenBSD host.
18897 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18899 * config/m68k/m68k.c (output_function_prologue,
18900 output_function_epilogue): Use
18901 current_function_uses_pic_offset_table instead of regs_ever_live
18902 to decide whether to save/restore pic register.
18903 (legitimize_pic_address): Don't modify regs_ever_live any more.
18905 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18907 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18908 * stor-layout.c (variable_size): Don't add sizes to the pending
18909 sizes list if x_dont_save_pending_sizes_p is set.
18911 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18913 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18914 for symbolic_operand().
18915 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18917 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18919 * combine.c (gen_rtx_combine): Add missing call to va_end().
18921 * final.c (asm_fprintf): Likewise.
18923 * genattrtab.c (attr_rtx): Likewise.
18925 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18927 * cse.c: Update comments.
18928 (cse_insn): When converting a conditional/computed jump into
18929 an unconditional jump, always make sure a BARRIER immediately
18930 follows the converted jump. Do not delete unreachable code.
18931 (cse_basic_block): Do not delete unreachable code.
18932 * toplev.c (rest_of_compilation): Move call to
18933 delete_trivially_dead_insns after the conditional call to
18936 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18938 * collect2.c (make_temp_file): Don't prototype.
18940 * gcc.c (make_temp_file): Likewise.
18942 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18944 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18946 * varasm.c (asm_emit_uninitialised): New function: Generate
18947 the assembler statements necessary to declare an uninitialised
18949 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18951 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18952 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18954 (assemble_variable): Use asm_emit_uninitialised to emit an
18955 uninitialised variable.
18957 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18959 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18960 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18961 <geoffk@cygnus.com>.
18963 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18965 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18966 * c-common.h (builtin_function): Don't declare.
18968 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18970 (pushdecl): Likewise.
18971 (finish_decl): Likewise.
18972 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18973 int. All callers changed.
18974 Set the builtin's DECL_BUILT_IN_CLASS.
18975 * tree.h (enum built_in_class): New.
18976 (enum built_in_function): Delete NOT_BUILT_IN.
18977 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18979 (DECL_SET_FUNCTION_CODE): Likewise.
18980 (DECL_BUILT_IN_CLASS): New macro.
18981 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18982 (struct tree_decl): Split builtin function code field into a
18984 (builtin_function): Declare.
18986 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18988 * optabs.c (init_traps): Fix typo in last change.
18990 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18992 * toplev.c (rest_of_decl_compilation): Update comment.
18994 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18996 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18997 in .sbss if appropriate.
18998 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18999 (SBSS_SECTION_ASM_OP): New macro.
19000 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
19001 (EXTRA_SECTIONS): Add in_sbss.
19002 * config/mips/mips.h: Prototype sbss_section.
19004 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
19006 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
19009 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
19011 * optabs.c (init_traps): Register trap_rtx as a GC root.
19013 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19015 * config/mips/mips.c (function_arg_pass_by_reference): Define
19016 unconditionally, since it's called unconditionally.
19018 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19020 * toplev.c (documented_lang_options): Add -fshort-wchar.
19021 * c-decl.c (c_decode_option): Likewise.
19022 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
19024 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
19025 * gcc.c (default_compilers): If -fshort-wchar,
19026 override __WCHAR_TYPE__.
19027 * tm.texi (C Dialect Options): Add -fshort-wchar.
19029 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
19030 symbol for a variable.
19032 * cpplib.h (CPP_PREPROCESSED): New macro.
19033 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
19034 we're seeing this input for a second time.
19036 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
19038 * emit-rtl.c (init_emit_once): Initialize modes first.
19040 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
19042 * config/i386/i386.c (pic_label_name): Change to char pointer.
19043 (global_offset_table): New variable.
19044 (load_pic_register): Fill global_offset_table if it hasn't
19045 already been done. Allocate pic_label_name dynamically.
19046 * ggc.h (empty_string): New variable.
19047 * ggc-simple.c (empty_string): Likewise.
19048 (init_ggc): Allocate empty_string and add as root.
19049 * stmt.c (digit_strings): New variable.
19050 (init_stmt): Add last_block_end_note as root. Allocate and
19051 initialize digit_strings.
19052 (expand_asm_operands): Use empty_string instead of string
19053 constant. Use digit_strings instead of string constants.
19054 * profile.c (init_arc_profiler): Allocate string with
19055 ggc_alloc_string instead of xmalloc.
19056 (output_func_start_profiler): Likewise.
19057 * c-typeck.c (digest_init): Check if init is error_mark_node.
19059 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19060 Richard Henderson <rth@cygnus.com>
19062 * ggc-page.c: New file.
19063 * Makefile.in (ggc-page.o): New.
19065 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19067 * invoke.texi: Document -fdelete-null-pointer-checks
19068 * toplev.c (flag_delete_null_pointer_checks): New.
19069 (f_options): Add entry for -fdelete-null-pointer-checks.
19070 (rest_of_compilation): Conditionalize null pointer check
19071 elimination on flag_delete_null_pointer_checks.
19072 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19074 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19076 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19077 copyright notice and special exception to GPL.
19079 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19081 * abi64.h (mips_function_value): Add prototype arguments.
19083 * mips-protos.h: New file with mips prototypes.
19085 * mips.c: Include "tm_p.h".
19086 (mktemp, lookup_name): Add prototype arguments.
19087 (extern_list, string_constant, mips_fill_delay_slot,
19088 mips_output_external, mips_output_external_libcall,
19089 mips_output_filename, mips_declare_object, function_prologue,
19090 mips_expand_prologue, function_epilogue, mips16_constant,
19091 build_mips16_function_stub, mips_output_conditional_branch):
19093 (mips_va_start): Remove unused variable `u'.
19094 (mips_va_arg): Cast value to unsigned when comparing against one.
19096 (save_restore_insns, mips_expand_prologue): Add missing arg in
19097 call to `large_int'.
19099 * mips.h: Move prototypes to mips-protos.h.
19100 (data_section, memory_address_p, rdata_section,
19101 readonly_data_section, simple_epilogue_p, text_section): Delete
19102 prototypes delcared elsewhere.
19103 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19105 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19107 * mips.md: Delete extra args in call to `mips_move_2words'.
19109 * xm-iris6.h (alloca): Add prototype argument.
19111 * genpeep.c: Include "tm_p.h" in generated output file.
19113 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19115 * basic-block.h (find_edge_index): Change parameters.
19116 * flow.c (verify_edge_list): Pass basic_block parameters to
19117 find_edge_index instead of integers.
19119 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19121 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19124 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19126 * gcc.1: Fix a formatting error.
19128 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19130 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19131 i786, mn10200, mn10300, pdp11, v850.
19133 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19135 * libgcc2.c (num_digits): Add prototype with
19136 __attribute__((const)).
19137 (__terminate): Add prototype.
19139 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19141 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19143 * alpha/alpha.c (print_operand): Fix type of `code'.
19144 (alpha_output_filename): Constify.
19145 * alpha/alpha.h: Move all function declarations ...
19146 * alpha/alpha-protos.h: ... here. New file.
19147 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19148 (SECTION_FUNCTION_TEMPLATE): Likewise.
19150 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19152 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19153 * expr.c (expand_expr): Likewise.
19154 (do_jump): Likewise.
19155 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19156 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19158 (enum can_compare_purpose): New.
19159 (can_compare_p): Adjust prototype.
19160 (prepare_cmp_insn, prepare_operand): Declare.
19161 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19162 * optabs.c (cmp_available_p): Deleted.
19163 (expand_abs): Pass ccp_jump to can_compare_p.
19164 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19165 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19166 Call can_compare_p rather than cmp_available_p.
19167 (prepare_operand): No longer static.
19168 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19169 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19170 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19171 sequence to use emit_cmp_and_jump_insns.
19172 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19174 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19176 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19177 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19178 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19179 (plus (reg) (const_int 0))
19180 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19182 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19184 * rs6000.c (expand_block_move): DImode loads and stores require
19185 word-aligned displacements. Increment address registers with
19186 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19188 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19190 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19191 is no name for the base type, rather than segfault. If we are
19192 writing out a complex integer type, use DW_ATE_lo_user.
19194 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19195 in one word or less (complex char, complex short, or on 64 bit
19196 systems complex float) to/from a hard register, copy it through
19197 memory instead of dying in gen_{real,imag}part. If we have a
19198 short complex type, prevent inlining since it allocates stack
19201 * tree.c (build_complex_type): If we are writing dwarf2 output,
19202 generate a name for complex integer types.
19204 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19206 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19207 * flow.c (remove_edge): Remove extra whitespace.
19208 (remove_fake_edges): Fix comment.
19209 (add_noreturn_fake_exit_edges): Use the correct name.
19211 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19213 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19214 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19215 (clean): Depend on INTL_CLEAN.
19216 (maintainer-clean): Adjust.
19218 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19220 * configure.in (AC_PREREQ): Bump to 2.13.
19221 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19223 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19225 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19227 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19229 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19230 (HAVE_STRINGIZE): Define.
19232 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19234 * c-parse.in: save and restore warn_pointer_arith on __extension__
19235 along with pedantic.
19236 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19237 Set the type of extension to itype rather than $<itype>1 kludge.
19238 * extend.texi (Alternate Keywords): Adjust documentation.
19239 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19241 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19243 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19244 most assembler templates.
19246 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19247 FP loads and stores.
19248 (following_call): Always return zero for the PA8000.
19249 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19250 FP loads and stores.
19251 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19253 * pa.h (BRANCH_COST): Define.
19255 * pa.md (return, return_internal): Use bve for PA2.0.
19257 * pa.md (fused multiply): Add variants which reduce height for the
19258 fused multiply, but which still generate 2 insns.
19259 (fnegabs): Similarly.
19261 * pa.md (subsi3): Turn into an expander. Create two anonymous
19262 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19263 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19265 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19267 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19269 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19270 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19272 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19275 * flow.c (record_active_eh_regions): Terminate loop after finding
19276 the last insn in the last basic block.
19278 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19280 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19282 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19284 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19286 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19288 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19289 splitting to not use output template.
19291 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19293 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19294 * config/c4x/c4x.c (c4x_va_start): New function.
19296 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19298 * genrecog.c (not_both_true): Handle correctly cases when called for
19299 tests with different positions in the insn.
19301 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19303 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19305 * system.h (HOST_PTR_PRINTF): ... to here.
19307 * mips-tfile.c: Don't include machmode.h.
19309 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19310 (mips-tfile.o): Don't depend on machmode.h.
19312 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19314 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19315 avoid conflicts with typedef struct `region' at the top level scope.
19317 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19319 * basic-block.h (basic_block): Add eh_beg, eh_end.
19320 * flow.c (entry_exit_blocks): Update.
19321 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19322 Call new functions.
19323 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19324 lists.c functions to allocate insn lists.
19325 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19327 (make_eh_edge): ... here. New.
19328 (move_stray_eh_region_notes): New.
19329 (record_active_eh_regions): New.
19330 (delete_unreachable_blocks): Split out block merging ...
19331 (try_merge_blocks): ... here. New.
19332 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19333 Dump debugging data.
19334 (merge_blocks_move_successor_nojumps): Likewise.
19335 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19337 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19339 * extend.texi (Bound member functions): Document unbound pmf
19342 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19344 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19345 has the EXIT_BLOCK as a dest.
19347 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19349 * flow.c (remove_edge): New function to remove an edge from the
19351 (remove_fake_successors): New function to remove fake successor edges.
19352 (remove_fake_edges): New function to remove all fake edges from the
19354 (add_fake_exit_edges): New function to add fake edges from all blocks
19355 with no successors to the exit block.
19356 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19357 prototypes for new functions.
19359 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19361 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19362 Use Pmode to determine whether to output .dword or .word.
19364 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19366 * tree.c (built_in_filename): New variable.
19367 (BUILT_IN_FILENAME): New macro.
19368 (init_tree_codes): Allocate built_in_filename.
19369 (make_node): Use built_in_filename instead of string constant.
19371 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19373 * configure.in: Add fr30 target.
19374 * configure: Regenerate.
19375 * config/fr30: New directory.
19376 * config/fr30/crti.asm: New file.
19377 * config/fr30/fr30.c: New file.
19378 * config/fr30/crtn.asm: New file.
19379 * config/fr30/fr30.h: New file.
19380 * config/fr30/fr30.md: New file.
19381 * config/fr30/lib1funcs.asm: New file.
19382 * config/fr30/t-fr30: New file.
19383 * config/fr30/xm-fr30.h: New file.
19385 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19387 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19388 BARRIER at the end of the successor, not the BARRIER before
19391 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19393 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19395 * stmt.c (any_pending_cleanups): Don't crash when
19396 current_function->stmt is unset.
19398 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19400 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19401 other initializations that may use it for relative offsets.
19403 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19405 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19406 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19407 * config/i386/sol2dbg.h: Removed.
19408 * config/i386/sol2gas.h: New file, to enable gas work-around.
19409 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19410 Don't use sol2dbg.h.
19411 * configure: Rebuilt.
19413 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19415 * invoke.texi (-fthis-is-variable): Remove documentation.
19417 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19419 * basic-block.h (compute_bb_for_insn): Declare.
19420 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19421 to use; set size of basic_block_for_insn directly.
19422 (find_basic_blocks): Update.
19424 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19426 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19428 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19430 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19431 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19433 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19435 * c-decl.c (c_decode_option): Extend comment.
19437 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19439 * toplev.c (progname): Make 'const char *'
19440 (flag_print_mem): Move out of main.
19441 (version_flag): Move out of main.
19442 (filename): Move out of main.
19443 (debug_args): Remove g prefix from options.
19444 (documented_lang_options): Remove cpplib specific options.
19445 (display_help): Add g prefix to debug options.
19446 (check_lang_option): Delete this function.
19447 (decode_d_option): New function: Decode -d... option.
19448 (decode_f_option): New function: Decode -f... option.
19449 (decode_W_option): New function: Decode -W... option.
19450 (decode_g_option): New function: Decode -g... option.
19451 (independent_decode_option): New function: Decode a language
19452 independent command line option.
19453 (main): Invoke lang_decode_option and then
19454 independent_decode_option on each command line option in
19457 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19459 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19460 * fold-const.c (fold_range_test): Do not try to fold the range
19461 test if the rhs or lhs has side effects.
19463 * basic-block.h (compute_flow_dominators): Declare.
19465 * gcse.c (alloc_code_hoist_mem): New function.
19466 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19467 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19468 (hoist_code, one_code_hoisting_pass): Likewise.
19469 (gcse_main): If optimizing for size, then hoist expressions
19470 computed in multiple dominated basic blocks.
19472 * gcse.c (invalid_nonnull_info): New function.
19473 (delete_null_pointer_checks): Likewise.
19474 * rtl.h (delete_null_pointer_checks): Declare.
19475 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19477 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19478 (merge-blocks_move_successor_nojumps): Likewise.
19479 (merge_blocks): Allow merging of some blocks, even if it requires
19480 physical movement of the blocks, but not if it requires new jumps.
19482 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19483 Callers and prototype changed.
19484 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19486 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19488 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19489 -YP when both -p and -pg are present. From i386/sol2.h.
19491 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19493 * Makefile.in (distclean): Delete tm_p.h.
19494 * configure.in: Create a new file, "tm_p.h", from a list in
19495 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19496 "i386/i386-protos.h".
19498 * alias.c: Include "tm_p.h".
19499 * c-typeck.c: Likewise.
19500 * calls.c: Likewise.
19502 * emit-rtl.c: Likewise.
19503 * explow.c: Likewise.
19504 * expmed.c: Likewise.
19505 * expr.c: Likewise.
19506 * final.c: Likewise.
19507 * flow.c: Likewise.
19508 * fold-const.c: Likewise.
19509 * function.c: Likewise.
19510 * gcse.c: Likewise.
19511 * global.c: Likewise.
19512 * haifa-sched.c: Likewise.
19513 * integrate.c: Likewise.
19514 * jump.c: Likewise.
19515 * local-alloc.c: Likewise.
19516 * loop.c: Likewise.
19517 * optabs.c: Likewise.
19518 * recog.c: Likewise.
19519 * reg-stack.c: Likewise.
19520 * regclass.c: Likewise.
19521 * regmove.c: Likewise.
19522 * reload.c: Likewise.
19523 * reload1.c: Likewise.
19524 * reorg.c: Likewise.
19525 * resource.c: Likewise.
19526 * stmt.c: Likewise.
19527 * stor-layout.c: Likewise.
19528 * toplev.c: Likewise.
19529 * tree.c: Likewise.
19530 * unroll.c: Likewise.
19531 * genattrtab.c (main): Make generated file include "tm_p.h".
19532 * genemit.c (main): Likewise.
19533 * genoutput.c (main): Likewise.
19534 * genrecog.c (main): Likewise.
19536 * i386.h: Delete all prototypes.
19537 * i386.c: Include "tm_p.h".
19538 (ix86_attr_length_default): Call constant_call_address_operand
19539 with correct number of arguments.
19540 * i386-protos.h: New file.
19541 * i386.md (unnamed patterns): Call constant_call_address_operand
19542 with correct number of arguments.
19543 (exception_receiver): Call load_pic_register with correct number
19546 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19548 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19550 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19552 * rtl.h (insns_safe_to_move_p): New function.
19553 * loop.c (find_and_verify_loops): Use it.
19554 * rtlanal.c (insns_safe_to_move_p): Define it.
19556 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19558 * c-pragma.c: Include ggc.h.
19559 * Makefile.in (c-pragma.o): Update.
19561 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19563 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19564 (LIB_SPEC): Likewise.
19565 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19566 Reindent -YP/-p/-pg.
19567 Copied from config/sparc/sol2.h.
19569 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19571 * c-pragma.c (mark_align_stack): New.
19572 (init_pragma): New.
19573 * c-pragma.h (init_pragma): Declare it.
19574 * c-lex.c (init_parse): Call it.
19576 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19578 * configure.in: Pick up thread library on Solaris/x86 just
19579 like on Solaris/sparc.
19580 * configure: Rebuilt.
19582 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19584 * rtl.h (global_rtx_index): New enum.
19585 (global_rtl): Change to array of rtx.
19586 (pc_rtx, cc0_rtx): Redefine accordingly.
19587 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19588 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19589 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19590 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19591 (const_int_rtx): Change to array of rtx.
19592 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19594 * emit-rtl.c (global_rtl): Change to array of rtx.
19595 (const_int_rtx): Change to aray of rtx.
19596 (gen_rtx_CONST_INT): Redefine accordingly.
19597 (init_emit_once): Allocate and initialize global_rtl. Likewise
19598 for const_int_rtx. Add both as GC roots.
19599 * genattrtab.c (global_rtl): Update declaration.
19601 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19603 * Makefile (USER_H): Add iso646.h back.
19605 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19607 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19608 zapping the LOG_LINKS of sched_before_next_call.
19610 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19611 * pa.c (insn_refs_are_delayed): Renamed from
19612 insn_sets_and_refs_are_delayed.
19614 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19616 * functiion.h (struct function): Add x_whole_function_mode_p.
19617 (retrofit_block): Declare.
19618 * function.c (retrofit_block): New function.
19619 (identify_blocks): Add assertions. Allow an incomplete set of
19620 block notes if we're still generating code for the function.
19621 * integrate.c: Include loop.h.
19622 (expand_inline_function): Call find_loop_tree_blocks to map block
19623 notes to blocks when in whole-function mode. Use retrofit_block
19624 to insert new BLOCKs for the inlined function, rather than
19626 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19627 * Makefile.in (integrate.o): Depend on loop.h.
19629 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19631 * tree.h (warn_about_unused_variables): Declare.
19632 * stmt.c (warn_about_unused_variables): New function, split out
19634 (expand_end_bindings): Here.
19636 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19638 * stmt.c (preserve_subexpressions_p): Don't crash when
19639 current_function->stmt is unset.
19641 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19643 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19644 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19645 (expand_start_target_temps): Use it.
19646 * except.c (expand_eh_region_start_for_decl): Likewise.
19647 * expr.c (expand_expr): Likewise.
19649 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19651 * fold-const.c (operand_equal_p): Pay attention to side effects.
19653 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19655 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19656 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19658 * tlink.c (scan_linker_output): Look for keywords before accepting
19659 a mangled name in quotes.
19661 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19663 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19664 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19666 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19668 * alpha.md: Revert Thu Nov 26 change that came in through the
19669 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19670 Avoid earlyclobber when possible.
19672 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19674 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19676 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19677 Define HAVE_ON_EXIT.
19679 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19681 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19682 CTYPE_CONV in all ctype macros.
19684 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19687 * cexp.y (initialize_random_junk): Likewise.
19689 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19691 * i370.c (handle_pragma): Likewise.
19693 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19695 * v850.c (override_options): Likewise.
19697 * doprint.c (_doprnt): Likewise.
19699 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19702 * fixinc/server.c (load_data): Likewise.
19704 * fold-const.c (real_hex_to_f): Likewise.
19706 * genattr.c (write_upcase, gen_attr): Likewise.
19708 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19709 write_upcase): Likewise.
19711 * genemit.c (print_code): Likewise.
19713 * genopinit.c (gen_insn): Likewise.
19715 * genpeep.c (print_code): Likewise.
19717 * genrecog.c (print_code): Likewise.
19719 * optabs.c (init_libfuncs): Likewise.
19721 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19723 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19725 (reemit_notes): Likewise.
19727 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19729 * ggc.h (ggc_root): Move to ggc-common.c.
19731 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19732 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19733 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19734 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19735 * ggc-common.c (ggc_root): Move from ggc.h.
19736 (roots): Declare, static.
19737 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19738 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19739 null or check/set mark bit.
19740 (ggc_mark_roots): New.
19741 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19743 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19745 * m32r.c: Include toplev.h.
19746 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19747 (gen_compare): Rename swap_p to must_swap to match uses.
19748 Add default abort case.
19749 (m32r_output_function_epilogue): Remove unused variables.
19750 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19751 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19752 define to empty parameter list. Update all uses.
19753 (predicate decls): Use enum machine_mode not int.
19754 * m32r.md (movsi): Call abort, not fatal_insn.
19755 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19757 1999-09-14 Andrew Haley <aph@cygnus.com>
19759 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19760 use $0 instead of 0.
19762 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19764 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19765 computation out of loop over hard regs.
19767 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19769 * function.c (identify_blocks): Don't shadow a variable in an
19771 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19772 pushdecl, or poplevel to build up the new BLOCK tree.
19773 (expand_inline_function): Likewise.
19774 (integrate_parm_decls): Likewise.
19776 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19778 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19780 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19782 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19783 * invoke.texi: Document this change.
19785 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19787 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19789 (mark_emit_status): Renamed from mark_emit_state.
19790 * except.c (mark_eh_status): Renamed from mark_eh_state.
19791 Check not null before marking.
19792 (free_eh_status): New.
19793 * expr.c (mark_expr_status, free_expr_status): New.
19794 * function.c (free_machine_status): New.
19795 (free_after_parsing): New.
19796 (free_after_compilation): Move bits to free_after_parsing; call
19797 free_eh_status, free_expr_status; zero the marked members of the
19799 (prepare_function_start): No can_garbage_collect.
19800 Call init_eh_for_function.
19801 (expand_dummy_function_end): Free up current_function state.
19802 (mark_function_status): Renamed from mark_function_state.
19803 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19804 * function.h (struct function): No can_garbage_collect.
19805 (free_machine_status, free_after_parsing): Declare.
19806 (free_eh_status, free_expr_status): Declare.
19807 * ggc.h (mark_expr_status): Declare.
19808 * stmt.c (free_stmt_status): Free the struct.
19809 (mark_stmt_status): Renamed from mark_stmt_state.
19810 (init_stmt): Don't call init_eh.
19811 (init_stmt_for_function): Don't call init_eh_for_function.
19812 * toplev.c (compile_file): Call init_eh.
19813 (rest_of_compilation): Free basic block info before ggc_collect.
19814 Call free_after_parsing; conditionally call free_after_compilation.
19815 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19816 Check not null before marking.
19817 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19819 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19821 * c-lex.c (yylex): Initialize warn.
19823 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19825 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19826 register when performing secondary reloads for the SAR register.
19828 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19830 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19831 (NOTE_BLOCK): New macro.
19832 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19833 * function.h (identify_blocks): Change prototype.
19834 * function.c (identify_blocks): Simplify.
19835 (reorder_blocks): Likewise.
19836 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19837 NOTE_INSN_BLOCK_{BEG,END}.
19838 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19839 the list of saved notes if the note isn't a
19840 NOTE_INSN_BLOCK_{BEG,END}.
19841 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19843 (reemit_notes): Adjust recreation of notes to reflect new saved
19845 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19846 printing a block note.
19847 * stmt.c (block_vector): Remove.
19848 (find_loop_tree_blocks): Simplify.
19849 (unroll_block_trees): Likewise.
19850 * tree.h (reorder_block): Change prototype.
19852 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19854 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19855 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19856 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19857 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19858 (atexit, exit): Simplify.
19859 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19860 * config/lots: Remove defns of HAVE_ATEXIT.
19862 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19864 * calls.c (precompute_arguments): Fix typo in comment.
19865 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19868 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19870 * dsp16xx.c (override_options): Fix typos in GC root registration.
19872 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19874 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19875 from config/svr4.h.
19876 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19877 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19878 (CC1_SPEC): Likewise.
19880 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19882 * genattr.c (main): Add extern prototype. Call return, not exit.
19883 * genattrtab.c (main): Likewise.
19884 * gencheck.c (main): Likewise.
19885 * gencodes.c (main): Likewise.
19886 * genconfig.c (main): Likewise.
19887 * genemit.c (main): Likewise.
19888 * genextract.c (main): Likewise.
19889 * genflags.c (main): Likewise.
19890 * gengenrtl.c (main): Likewise.
19891 * genopinit.c (main): Likewise.
19892 * genoutput.c (main): Likewise.
19893 * genpeep.c (main): Likewise.
19894 * genrecog.c (main): Likewise.
19896 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19897 * genattrtab.c (get_insn_name): Likewise.
19898 * gencodes.c (get_insn_name): Likewise.
19899 * genconfig.c (get_insn_name): Likewise.
19900 * genemit.c (get_insn_name): Likewise.
19901 * genextract.c (get_insn_name): Likewise.
19902 * genflags.c (get_insn_name): Likewise.
19903 * genopinit.c (get_insn_name): Likewise.
19904 * genpeep.c (get_insn_name): Likewise.
19906 * gencheck.c (usage): Add static prototype.
19907 * genextract.c (print_path): Constify a char*.
19908 * genopinit.c (optabs): Likewise.
19909 * genoutput.c (operand_data, data, output_predicate_decls,
19910 compare_operands): Likewise.
19911 * genrecog.c (write_tree): Add default case in switch.
19913 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19915 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19917 * print-rtl.c (get_insn_name): Remove prototype.
19919 * toplev.h (progname): Declare const.
19921 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19922 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19923 dump_sched_info, dump_local_alloc, regset_release_memory,
19924 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19925 error_with_file_and_line, error_with_decl, error_for_asm, error,
19926 fatal, warning_with_file_and_line, warning_with_decl, warning,
19927 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19928 Remove redundant prototypes.
19930 (notice, check_lang_option, report_file_and_line, vnotice,
19931 mark_file_stack): Add static prototype.
19932 (set_fatal_function): Add prototype.
19933 (vnotice, report_file_and_line, set_fatal_function,
19934 check_lang_option): Constify a char*.
19935 (main): Prototype. Call return, not exit.
19937 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19939 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19941 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19943 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19945 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19947 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19949 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19950 behave as if it's zero in all cases.
19951 (expand_function_start): Adjust call to assign_parms.
19952 * tree.h (assign_parms): Adjust prototype.
19953 * objc/objc-act.c (hack_method_prototype): Adjust call to
19956 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19958 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19959 arg_pointer_rtx fixed if the argument pointer register is
19961 (NONZERO_BASE_PLUS_P): Likewise.
19963 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19965 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19966 match_insn2 to match_insn.
19967 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19969 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19971 * Makefile.in (USER_H): Remove va-foo.h.
19973 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19974 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19975 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19976 va-spur.h,va-v850.h}: Remove.
19978 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19980 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19981 (in_return_delay): Use it instead of match_insn.
19983 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19985 * config/alpha/va_list.h (va-alpha.h): Do not include.
19986 (__gnuc_va_list): Typedef as in varargs.h.
19988 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19990 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19991 DECL_LIVE_RANGE_RTL.
19993 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19995 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19996 not NOTE_BLOCK_NUMBER.
19997 (expand_eh_region_end): Likewise.
19998 (find_exception_handler_labels): Likewise.
19999 (scan_region): Likewise.
20000 (exception_optimize): Likewise.
20001 (update_rethrow_references): Likewise.
20002 (set_insn_eh_region): Likewise.
20003 * final.c (final_scan_insn): Likewise.
20004 * flow.c (make_edges): Likewise.
20005 * integrate.c (expand_inline_function): Likewise.
20006 * print-rtl.c (print_rtx): Likewise.
20008 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
20010 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
20011 terms of builtin functions and types.
20013 * mips.c (mips_build_va_list): New.
20014 (mips_va_start, mips_va_arg): New.
20015 * mips.h (BUILD_VA_LIST_TYPE): New.
20016 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20018 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
20019 (sh_build_va_list, sh_va_start, sh_va_arg): New.
20020 * sh.h (BUILD_VA_LIST_TYPE): New.
20021 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20023 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
20025 * recog.h (struct recog_data): Make dup_num, operand_address_p,
20026 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
20027 (struct insn_data): Likewise with n_operands, n_dups,
20028 n_alternatives, output_format.
20029 * regclass.c (scan_one_insn): Cast n_operands to int before
20030 arithmetic inside comparison.
20032 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
20034 * toplev.c (compile_function): Unconditionally emit nop.
20036 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20038 * haifa-sched.c (actual_hazard): Move declaration of variable
20039 `this_cost' into the scope where it is used.
20041 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20043 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
20044 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
20045 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
20047 * genrecog.c (make_insn_sequence): Call memset, not bzero.
20049 * jump.c (find_insert_position): Don't declare or define unless
20050 !HAVE_conditional_arithmetic.
20051 (returnjump_p_1, delete_prior_computation): Add static prototypes.
20053 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20055 * recog.c (offsettable_address_p): Prototype function pointer.
20056 (preprocess_constraints): Call memset, not bzero.
20058 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20059 (gcc_obstack_init): Don't declare.
20060 (fix_sizetype): Add static prototype.
20061 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20062 (tree_cons): Call memset, not bzero.
20064 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20065 definition in macro ASM_WEAKEN_LABEL.
20066 (mark_const_hash_entry): Add static prototype.
20068 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20070 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20072 * unroll.c (find_common_reg_term, subtract_reg_term,
20073 loop_find_equiv_value): Add static prototypes.
20074 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20075 (copy_loop_body): Remove unreachable break statement.
20077 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20079 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20081 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20083 Undo some changes from the gcc2 merge:
20084 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20085 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20089 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20090 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20091 initialized float-int union if the value is a NaN.
20093 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20095 * gthr-win32.h: New file.
20097 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20098 shared as a valid attribute.
20099 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20100 * extend.texi: Document `shared' variable attribute.
20102 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20104 * configure.in: Handle --enable-threads on FreeBSD.
20105 * configure: Rebuit.
20107 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20109 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20111 * configure: Rebuilt.
20113 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20114 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20115 Rosimildo DaSilva <rdasilva@connecttel.com>
20117 * configure.in (m68k-*-rtemscoff*): Added.
20118 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20119 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20120 sparc-rtems configuration.
20121 * configure.in (sparc-*-rtemself*): Added.
20122 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20123 * config/i386/rtems.h: Added comment.
20124 * config/sparc/rtemself.h: New file.
20126 * configure.in (m68k-rtemself): Added.
20127 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20128 and DWARF_DEBUGGING_INFO.
20129 * config/m68k/crti.s: New file.
20130 * config/m68k/crtn.s: New file.
20131 * config/m68k/t-crtstuff: New file.
20132 * config/m68k/rtemself.h: New file.
20134 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20135 global ctor/dtor and C++ exception handling.
20136 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20137 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20139 * config/i386/t-rtems-i386: New File.
20141 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20143 * stmt.c (expand_end_case): Return right away if the case stack is
20146 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20148 * Makefile.in (version.c): Remove rule incorrectly brought in from
20151 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20153 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20154 * msdos/top.sed: Take into account a prepended $(SHELL) to
20156 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20158 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20160 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20162 * regmove.c (fixup_match_1): Don't change an unchanging register.
20163 (stable_but_for_p): Renamed to:
20164 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20165 Changed all callers.
20167 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20169 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20170 insn from BL2 is after the insn from BL.
20172 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20174 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20175 (struct insn_data): Merge `template' and `outfun' into `output'.
20176 Add `output_format'.
20177 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20178 (struct data): Remove `outfun'; add `output_format'.
20179 (name_for_index): Remove declaration.
20180 (output_insn_data): Handle output formats.
20181 (process_template): Emit the bare array for @.
20182 (gen_expand, gen_split): Set output_format to NONE.
20183 * output.h (get_insn_template): Declare.
20184 * final.c (get_insn_template): New.
20185 (final_scan_insn): Use it.
20186 * toplev.c (compile_file): Likewise.
20188 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20189 * i860/i860.c (output_delayed_branch): Likewise.
20190 (output_delay_insn): Likewise.
20192 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20194 * rtl.c (obstack_alloc_rtx): Removed.
20196 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20198 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20200 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20202 * i386.c (call_insn_operand): Reject const_int.
20203 (expander_call_insn_operand): Use call_insn_operand.
20205 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20207 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20209 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20211 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20212 Use DImode operation.
20214 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20216 * gcc.c: Include sys/resource.h.
20217 (report_times): New flag.
20218 (execute): If report_times is set, calculate and report the
20219 CPU time consumed by each subprocess.
20221 (rus, prus): New globals.
20222 (option_map): Add --time.
20223 (display_help): Document -time.
20224 (process_command): Set report_times if -time is given.
20225 Turn off -pipe if -time is given.
20227 * invoke.texi: Document new option -time.
20229 * configure.in: Check for getrusage. Check if we have to
20230 prototype getrusage.
20231 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20232 * configure: Regenerate.
20233 * config.in: Regenerate.
20235 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20237 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20240 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20242 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20243 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20244 (nan): Return _thenan_sf or _thenan_df as appropriate.
20245 (L_thenan_sf): Define _thenan_sf.
20246 (L_thenan_df): Define _thenan_df.
20248 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20249 (DPBIT_FUNCS): Add _thenan_df.
20251 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20253 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20256 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20258 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20261 (lang_specific_driver): Don't take a function pointer parameter.
20262 All callers changed.
20264 * gcc.c: Include gcc.h.
20265 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20266 lang_specific_extra_outfiles, fatal): Don't declare.
20267 (multilib_defaults_raw): Constify.
20268 (read_specs): Call memset, rather than bzero.
20269 (main): Call return, not exit.
20270 (lookup_compiler): Call memcpy, not bcopy.
20271 (fatal): Make extern.
20273 * cppspec.c: Include gcc.h.
20274 (lang_specific_driver): Initialize variable `quote'. Constify a
20275 char*. All calls to the function pointer parameter now
20276 explicitly call `fatal'.
20278 * gccspec.c (lang_specific_driver): Include gcc.h.
20280 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20282 * arm.c (note_invalid_constants): Use recog_data.operand_type
20285 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20287 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20290 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20291 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20292 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20293 reload_secondary_in_reload, reload_secondary_out_reload,
20294 reload_secondary_in_icode, reload_secondary_out_icode,
20295 reload_reg_rtx, reload_when_needed): Delete declarations.
20296 (struct reload): New structure.
20297 (rld): Declare new array.
20298 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20299 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20300 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20301 reload_secondary_in_reload, reload_secondary_out_reload,
20302 reload_secondary_in_icode, reload_secondary_out_icode,
20303 reload_reg_rtx, reload_when_needed): Delete definitions.
20305 (whole file): Replace uses of the deleted arrays with uses of rld.
20306 * reload1.c (whole file): Replace uses of the deleted arrays with
20308 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20309 explicit loops, not with bcopy.
20311 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20313 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20314 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20315 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20316 insn_name): Delete and consolidate into new structures.
20317 (insn_operand_predicate_fn): New.
20318 (insn_output_fn): New.
20319 (insn_gen_fn): New.
20320 (struct insn_operand_data): New.
20321 (struct insn_data): New.
20323 (OUT_FCN): Update for insn_data change.
20324 * builtins.c (expand_builtin_strlen): Likewise.
20325 (expand_builtin_memcmp): Likewise.
20326 * combine.c (make_extraction, simplify_comparison): Likewise.
20327 * cse.c (canon_reg, cse_insn): Likewise.
20328 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20329 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20330 (emit_store_flag): Likewise.
20331 * expr.c (convert_move, emit_block_move): Likewise.
20332 (clear_storage, emit_push_insn, expand_increment): Likewise.
20333 (do_store_flag): Likewise.
20334 * expr.h (GEN_FCN): Likewise.
20335 (insn_gen_function): Die.
20336 * final.c (final_scan_insn): Update for insn_data change.
20337 (output_asm_name): Likewise.
20338 * function.c (fixup_var_refs_1): Likewise.
20339 * loop.c (check_dbra_loop): Likewise.
20340 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20341 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20342 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20343 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20344 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20345 * regmove.c (gen_add3_insn): Likewise.
20346 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20347 (find_reloads, find_reloads_address_1): Likewise.
20348 (debug_reload_to_stream): Likewise.
20349 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20350 * stmt.c (expand_end_case): Likewise.
20351 * toplev.c (compile_file): Likewise.
20353 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20354 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20356 * print-rtl.c (insn_name_ptr): Remove declaration.
20357 (get_insn_name): Declare.
20358 (print_rtx): Use it.
20359 * genoutput.c (insn_name_ptr): Remove.
20360 (next_operand_number): New.
20361 (struct operand_data): New.
20362 (null_operand, odata, odata_end): New.
20363 (struct data): Use struct operand_data.
20364 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20365 (get_insn_name): Renamed from name_for_index.
20366 (output_prologue): Define NO_MD_PROTOTYPES.
20367 (output_predicate_decls): Break out from output_epilogue.
20368 Iterate over the operands list.
20369 (output_operand_data): Break out from output_epilogue. Emit
20370 just the operands list.
20371 (output_insn_data): Break out from output_epilogue. Emit just
20373 (output_epilogue): Remove.
20374 (output_get_insn_name): New.
20375 (constraints, op_n_alternatives, predicates, address_p): Die.
20376 (modes, strict_low, seen): Die.
20377 (scan_operands): Take new param `d' instead of writing to
20378 seven global variables.
20379 (compare_operands): New.
20380 (place_operands): New.
20381 (validate_insn_alternatives): Update for struct data change.
20382 (gen_insn): Don't zero or copy 7 global arrays. Update for
20383 scan_operands; call place_operands.
20384 (gen_peephole, gen_expand, gen_split): Likewise.
20385 (main): Update for new output routines.
20387 * genattr.c (insn_name_ptr): Remove.
20388 (get_insn_name): New function.
20389 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20390 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20391 * genrecog.c: Likewise.
20393 * alpha.md (adddi3): Make `pattern' array static.
20395 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20397 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20398 c4x_cpu_version_string): Constify char *.
20399 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20400 c4x_cpu_version_string): Likewise.
20402 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20404 * tree.c (save_tree_status): Revert 10 Sep change.
20405 (restore_tree_status): Likewise. Call obstack_free with NULL
20406 before freeing the obstack proper.
20408 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20410 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20412 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20413 surrounding context.
20415 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20417 * tree.c (type_hash_canon): Put all types in the hash-table, when
20420 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20422 * recog.h (struct recog_data, recog_data): New.
20423 (recog_foo variables): Kill.
20424 * recog.c (recog_operand, recog_operand_loc): Kill.
20425 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20426 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20427 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20428 (recog_data): Define.
20429 (extract_insn): Update all recog_foo references to use recog_data.
20430 (preprocess_constraints, constrain_operands): Likewise.
20431 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20432 * genattrtab.c (main): Likewise.
20433 * genextract.c (main): Likewise.
20434 * genoutput.c: Likewise.
20435 * genrecog.c (write_subroutine, main): Likewise.
20436 * local-alloc.c (block_alloc): Likewise.
20437 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20438 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20439 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20440 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20441 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20442 (reload_cse_simplify_operands): Likewise.
20444 * arc/arc.c (arc_final_prescan_insn): Likewise.
20445 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20446 * h8300/h8300.c (notice_update_cc): Likewise.
20447 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20448 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20449 * mn10200/mn10200.c (notice_update_cc): Likewise.
20450 * mn10300/mn10300.c (notice_update_cc): Likewise.
20451 * romp/romp.c (update_cc): Likewise.
20452 * sparc/sparc.c (check_pic): Likewise.
20453 * v850/v850.c (notice_update_cc): Likewise.
20455 * genemit.c (main): Don't declare recog_operand.
20457 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20459 * ggc.h (rtvec_def): Forward declare.
20460 (tree_node): Likewise.
20461 (ggc_root): Define.
20463 (ggc_set_mark_rtx): Add prototype.
20464 (ggc_set_mark_rtvec): Likewise.
20465 (ggc_set_mark_tree): Likewise.
20466 * ggc-simple.c (ggc_root): Don't define.
20467 (roots): Don't declare.
20468 (ggc_mark_rtx): Remove.
20469 (ggc_mark_rtvec): Likewise.
20470 (ggc_mark_tree): Likewise.
20471 (ggc_mark_varray): Likewise.
20472 (ggc_mark_tree_hash_table_entry): Likewise.
20473 (ggc_mark_tree_hash_table): Likewise.
20474 (ggc_set_mart_rtx): New function.
20475 (ggc_set_mark_rtvec): Likewise.
20476 (ggc_set_mark_tree): Likewise.
20477 (ggc_add_root): Remove.
20478 (ggc_add_rtx_root): Likewise.
20479 (ggc_remove_tree_root): Likewise.
20480 (ggc_add_string_root): Likewise.
20481 (ggc_add_tree_varray_root): Likewise.
20482 (ggc_add_tree_hash_table_root): Likewise.
20483 (ggc_del_root): Likewise.
20484 (ggc_mark_rtx_ptr): Likewise.
20485 (ggc_mark_tree_ptr): Likewise.
20486 (ggc_mark_string_ptr): Likewise.
20487 (ggc_mark_tree_varray_ptr): Likewise.
20488 (ggc_mark_tree_hash_table_ptr): Likewise.
20489 * ggc-common.c: New file.
20490 * Makefile.in (OBJS): Add ggc-common.o.
20491 (ggc-common.o): List dependencies.
20493 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20495 * cppalloc.c (xstrdup): Use memcpy.
20496 * cpperror.c (cpp_print_containing_files): Don't use
20498 * cpplib.c (conditional_skip): Set temp->lineno.
20499 (do_endif): Make error message less obscure.
20500 (if_directive_name): New function.
20501 (cpp_get_token [case EOF]): Unwind the if stack and generate
20502 error messages for each unterminated conditional in this file.
20503 (parse_string): Do not behave differently if -traditional.
20505 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20507 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20508 va_list decomposing to pointer-type.
20509 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20510 (rs6000_va_arg): Likewise.
20512 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20514 * except.c (start_dynamic_handler): Compute size using
20515 STACK_SAVEAREA_MODE.
20517 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20519 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20520 include directory headers. Don't define strrchr. Don't provide
20521 my_* replacement functions. Prefer PTR over `pointer_type'.
20522 Don't prototype system functions. Don't redefine getopt.
20524 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20525 safe_read, safe_write, save_pointers, restore_pointers,
20526 is_id_char, in_system_include_dir, directory_specified_p,
20527 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20528 find_corresponding_lparen, referenced_file_is_newer,
20529 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20530 process_aux_info_file, identify_lineno, check_source,
20531 seek_to_line, forward_to_next_token_char, output_bytes,
20532 output_string, output_up_to, other_variable_style_function,
20533 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20534 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20535 find_static_definition, connect_defs_and_decs, add_local_decl,
20536 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20537 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20538 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20539 scan_for_missed_items, edit_file, string_list_cons): Add static
20541 (standard_exec_prefix, target_machine, target_version,
20542 default_syscalls_dir, string_list, string_list_cons, find_file,
20543 do_cleaning): Constify a char*.
20544 (safe_read, safe_write): Use PTR, not a char*.
20545 (is_id_char): Take an int, not a char.
20546 (main): Add prototype. Call return, not exit.
20548 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20550 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20551 when comparing types.
20553 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20555 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20556 (strength_reduce): Release the varrays from the no-bivs early exit.
20558 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20559 the loop over the registers.
20561 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20563 (restore_tree_status): Check that instead when freeing the obstack.
20565 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20567 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20570 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20572 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20573 operand size modifiers.
20575 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20577 * c-common.c (c_common_nodes_and_builtins): Don't build
20579 * c-common.h (enum c_tree_index and related accesor macros): Remove
20580 everything now declared in tree.h.
20581 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20582 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20583 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20584 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20585 unsigned_type_node, ptr_type_node, va_list_type_node,
20586 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20587 (init_decl_processing): Call build_common_tree_nodes and
20588 build_common_tree_nodes_2 instead of building their nodes here.
20589 Don't add roots for these nodes.
20590 * stor-layout.c (size_zero_node, size_one_node): Delete.
20591 (set_sizetype): Make a new node for bitsizetype each time.
20592 * tree.c (global_trees): New variable.
20593 (init_obstacks): Add a gc root for it.
20594 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20595 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20596 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20597 (build_common_tree_nodes): New function.
20598 (fix_sizetype): New function.
20599 (build_common_tree_nodes_2): New function.
20600 * tree.h (enum tree_index): New.
20601 (global_trees): Declare.
20602 Add accessor macros for all nodes now moved to global_trees.
20603 Delete their declarations.
20605 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20607 * c-decl.c (finish_function): When processing a nested function,
20608 push and pop GC context around rest_of_compilation.
20610 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20612 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20613 Default ix86_arch to PROCESSOR_I386.
20614 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20615 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20616 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20617 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20618 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20619 (EXTRA_SPECS): Remove deleted specs.
20621 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20623 * function.c (assign_stack_local_1): Allocate from
20624 function->x_frame_offset, not frame_offset.
20626 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20628 * ggc.h (lang_cleanup_tree): Remove.
20629 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20630 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20632 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20633 TYPE_LANG_SPECIFIC when garbage collecting.
20634 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20635 (lang_cleanup_tree): Remove.
20637 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20639 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20640 * crtstuff.c: Not here.
20641 * dwarf2out.c: Or here.
20642 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20645 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20647 * function.h (free_after_compilation): Remove decl parameter.
20648 (free_varasm_status0: Likewise.
20649 (free_emit_status): Likewise.
20650 (free_stmt_status): Likewise.
20651 (free_after_compilation): Likewise.
20652 (init_lang_status): New variable.
20653 (free_lang_status): Likewise.
20654 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20655 * function.c (init_lang_status): New variable.
20656 (free_lang_status): Likewise.
20657 (push_function_context_to): Don't set function::decl here.
20658 (free_after_copmilation): Make decl parameter implicit. Call
20659 free_lang_status if defined.
20660 (prepare_function_start): Call init_lang_status if defined.
20661 (init_function_start): Set function::decl here.
20662 * profile.c (output_func_start_profiler): Don't call pushdecl
20663 until we've actually started the function.
20664 * stmt.c (free_stmt_status): Make decl parameter implicit.
20665 * toplev.c (rest_of_compilation): Don't pass decl to
20666 free_after_compilation.
20667 * varasm.c (free_varasm_status): Likewise.
20669 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20671 * except.c (call_get_eh_context): Add root when allocating static
20674 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20676 * arm.c: Include "ggc.h".
20677 (arm_add_gc_roots): New function.
20678 (arm_override_options): Call it.
20679 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20681 * arm.md (define_asm_attributes): Add a pool_range attribute.
20683 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20685 * extend.texi (Volatiles): New node.
20687 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20689 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20690 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20691 (struct ggc_any): Replace `mark' with `magic_mark'.
20692 (ggc_alloc_string): Use memcpy, not bcopy.
20693 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20694 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20695 (ggc_free_any): New.
20696 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20697 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20698 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20699 Use IS_MARKED. Use ggc_free_any.
20701 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20703 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20705 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20707 * toplev.c (main): Always init_ggc.
20709 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20711 * except.c (find_all_handler_type_matches): Free the list if
20712 we found no matches.
20714 * combine.c (SUBST): Break out to a real function do_SUBST.
20715 (SUBST_INT): Likewise.
20716 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20717 (pre_insert): Free `inserted'.
20718 * loop.c (basic_induction_var): Always set `location'.
20720 * function.c (expand_function_end): Add initial_trampoline as a root.
20721 * rtl.h (init_varasm_once): Declare.
20722 * toplev.c (compile_file): Call it.
20723 * ggc-simple.c (ggc_mark_string_ptr): New.
20724 (ggc_add_string_root): New.
20725 (ggc_collect): Disable collection avoidance temporarily.
20726 * ggc.h (ggc_add_string_root): Declare.
20727 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20728 * optabs.c (init_libfuncs): Likewise.
20729 * varasm.c (named_section): Use ggc_alloc_string.
20730 (make_function_rtl): Likewise.
20731 (make_decl_rtl): Likewise.
20732 (assemble_static_space): Likewise.
20733 (assemble_trampoline_template): Likewise.
20734 (output_constant_def): Likewise.
20735 (force_const_mem): Likewise.
20736 (mark_const_hash_entry): New.
20737 (mark_pool_sym_hash_table): New.
20738 (mark_varasm_state): Use it.
20739 (init_varasm_once): New.
20741 * expr.h (init_one_libfunc): Declare.
20742 * optabs.c (init_one_libfunc): New.
20743 (init_optabs): Use it.
20744 * config/gofast.h: Likewise.
20745 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20746 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20748 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20750 * Makefile.in (cppexp.o): Depend on cpphash.h.
20751 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20753 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20754 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20755 redefining poisoned identifiers, etc.
20756 (do_undef): Don't allow poisoned identifiers to be undefined.
20757 (do_pragma): Add #pragma poison.
20758 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20760 * cccp.c: Add T_POISON node type.
20761 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20763 (do_define): Generalise to handle poisoned definitions,
20764 redefining poisoned identifiers, etc.
20765 (do_undef): Don't allow poisoned identifiers to be undefined.
20766 (do_pragma): Add #pragma poison.
20767 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20769 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20770 * c-pragma.h: Add ps_poison state. We now always have generic
20773 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20775 * ggc.h (ggc_alloc): New function.
20776 (ggc_mark): Likewise.
20777 * ggc-simple.c (ggc_any): New structure.
20778 (ggc_status): Add anys.
20779 (n_anys_collected): New variable.
20780 (ggc_alloc): Define.
20781 (ggc_mark): Likewise.
20782 (ggc_collect): Collect the anys.
20784 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20786 * c-decl.c (mark_binding_level): Make static to match prototype.
20788 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20790 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20792 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20794 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20795 will use into account. Expand the max width to 5.
20798 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20800 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20801 for the rtx length.
20803 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20805 * alpha.md (call value patterns): Remove the result predicates.
20807 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20809 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20812 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20814 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20815 changed from extern char *, to extern PTR. Also fix typo in
20816 NEED_DECLARATION_REALLOC test.
20818 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20820 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20822 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20823 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20824 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20825 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20827 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20829 * cccp.c (pcfinclude): Likewise.
20831 * global.c (allocno_compare): Likewise.
20833 * haifa-sched.c (rank_for_schedule): Likewise.
20835 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20837 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20839 * stupid.c (stupid_reg_compare): Likewise.
20841 * tree.c (_obstack_allocated_p): Likewise.
20843 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20845 1999-09-08 Bruce Korb autogen@linuxbox.com
20847 * Makefile.in: Give the hapless gperf user a hint about
20848 why "gperf -F" fails.
20850 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20852 * lists.c: Include ggc.h.
20854 (init_EXPR_INSN_LIST_cache): Install it.
20856 * ggc-simple.c (init_ggc): Absorb the old init.
20857 (ggc_push_context): Use xcalloc.
20858 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20859 (ggc_collect): Add [rvts] tags to the collection stats.
20861 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20863 * cccp.c (main): Fix handling of -include and -imacros options.
20865 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20867 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20869 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20871 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20874 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20876 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20877 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20878 and SET_DEST. Update comment.
20880 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20882 * config/c4x/c4x.c: Include ggc.h.
20883 (c4x_add_gc_roots): New function.
20884 (c4x_override_options): Call c4x_add_gc_roots.
20886 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20888 * defaults.h (TARGET_ESC): Move ...
20889 * system.h: ... here, where Linas had it in the first place. Silly me.
20891 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20893 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20894 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20895 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20896 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20897 * defaults.h (TARGET_ESC): Add default.
20899 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20901 * configure.in: add i370-*-openedition, i370-*-mvs and
20902 i370-*-linux targets
20904 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20906 * dsp16xxx.c: Include ggc.h
20907 (override_options): Mark GC roots.
20908 * mn10200.c: Include ggc.h.
20909 (asm_file_start): Mark GC roots.
20910 * tahoe.c: Include ggc.h.
20911 (extensible_operand): Mark GC roots.
20913 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20915 * README: Add section discussing status of ELF ABI.
20916 * i370.c: Fix misc spelling mistakes.
20917 (i370_label_scan): Updated notes, exception handling.
20918 (i370_function_prolog): Simplify ELF stack handling.
20919 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20920 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20921 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20922 * i370.md: (movdi): Add notes.
20923 (floatsidf2): Use stack not rtca for scratch float area.
20924 (iorsi3): Correct operand constraints.
20925 * x-oe: Restore TAROUTOPTS which are used by pax.
20927 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20929 * rs6000.c: Include ggc.h.
20930 (rs6000_add_gc_roots): New function.
20931 (override_options): Call it.
20933 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20935 * alpha.h (alpha_compare): New.
20936 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20937 * alpha.c: Likewise for the definitions.
20938 (alpha_emit_conditional_branch): Update for alpha_compare.
20939 (alpha_emit_conditional_move): Likewise.
20940 * alpha.md (cmpdf, cmpdi): Likewise.
20941 (setcc patterns): Likewise. Zero alpha_compare after use.
20942 (sne): Optimize (x != 0) into (0U < x).
20944 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20946 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20947 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20948 (INIT_EXPANDERS): Remove.
20949 * alpha.c: Include ggc.h.
20950 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20951 (alpha_init_machine_status, alpha_mark_machine_status): New.
20952 (override_options): Install them.
20953 (struct machine_function): Moved to alpha.h.
20954 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20955 (alpha_init_expanders): Remove.
20956 (alpha_return_addr): Adjust to use current_function->machine.
20957 (alpha_ra_ever_killed): Likewise.
20958 (alpha_expand_epilogue): Likewise.
20959 * alpha.md (eh_epilogue): Likewise.
20961 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20962 Melissa O'Neill <oneill@cs.sfu.ca>
20963 Geoffrey Keating <geoffk@cygnus.com>
20965 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20966 call-used registers (call-saved registers must still be contiguous
20967 and end with r31, of course).
20969 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20971 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20972 (self_promoting_type_p): Delete.
20973 (self_promoting_args_p): Move ...
20974 * c-common.c: ... here.
20975 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20976 (simple_type_promotes_to): New.
20977 * builtins.c (lang_type_promotes_to): New.
20978 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20979 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20980 * c-common.h: ... here.
20981 (self_promoting_args_p, simple_type_promotes_to): Declare.
20982 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20983 (grokdeclarator): Likewise.
20984 * tree.h (lang_type_promotes_to): Declare.
20986 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20988 Add some machine-dependent GC roots.
20989 * sparc.c: Include ggc.h.
20990 (sparc_add_gc_roots): New function.
20991 (mark_ultrasparc_pipeline_state): Likewise.
20992 (override_options): Call sparc_add_gc_roots.
20993 * pa.c: Include ggc.h.
20994 (pa_add_gc_roots): New function.
20995 (mark_deferred_plabels): Likewise.
20996 (override_options): Call pa_add_gc_roots.
20997 * mips.c: Include ggc.h.
20998 (mips_add_gc_roots): New function.
20999 (override_options): Use it.
21001 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21003 * cpperror.c (cpp_file_line_for_message): Constify a char*.
21005 * cppexp.c (parse_number, parse_charconst, cpp_lex,
21006 cpp_parse_expr): Add static prototypes.
21007 (parse_charconst): Don't cast away const-ness.
21008 (token): Constify a char*.
21010 * cppfiles.c (file_name_list, include_hash, find_include_file,
21011 finclude, initialize_input_buffer): Constify a char*.
21012 (file_cleanup, find_position): Add static prototypes.
21014 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
21015 collect_expansion): Add static prototypes.
21016 (cpp_install, create_definition, monthnames): Constify a char*.
21018 * cpphash.h (cpp_install): Likewise.
21020 * cppinit.c (known_suffixes, default_include,
21021 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
21022 (base_name, dump_special_to_buffer, initialize_dependency_output):
21023 Add static prototypes.
21025 * cpplib.c (my_strerror): Constify a char*.
21026 (null_underflow, null_cleanup, skip_comment, copy_comment,
21027 copy_rest_of_line, handle_directive, pass_thru_directive,
21028 get_directive_token, read_line_number, cpp_print_file_and_line,
21029 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
21030 v_cpp_warning_with_line, detect_if_not_defined,
21031 consider_directive_while_skipping): Add static prototypes.
21032 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
21033 cpp_pedwarn_with_file_and_line): Constify a char*.
21035 * cpplib.h (cpp_options, include_hash, progname, definition,
21036 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
21037 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
21038 find_include_file, deps_output, include_hash): Constify a char*.
21040 * cppmain.c (progname): Constify.
21041 (main): Add prototype. Use return, not exit.
21043 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
21044 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
21045 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
21046 check_protection): Add static prototype.
21048 (progname, recognized_macrom, recognized_extern): Constify a char*.
21049 (main): Add prototype.
21051 * gen-protos.c (progname): Constify a char*.
21053 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21055 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21056 (init_emit_once): Add more GC roots.
21057 * except.c (mark_func_eh_entry): New function.
21058 (mark_eh_node): Mark false_label and rethrow_label.
21059 (init_eh): Add more GC roots.
21060 * function.c (free_after_compilation): Take decl as a paramter.
21061 Call free_stmt_status.
21062 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21064 * function.h (free_after_compilation): Change prototype.
21065 (free_varasm_status): Likewise.
21066 (free_emit_status): Likewise.
21067 (free_stmt_status): New function.
21068 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21069 Remove, replacing with ...
21070 (ggc_status): New structure.
21071 (ggc_chain): New variable.
21072 (init_gcc): Define.
21073 (ggc_push_context): New function.
21074 (ggc_pop_context): Likewise.
21075 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21076 (ggc_alloc_rtvec): Likewise.
21077 (ggc_alloc_tree): Likewise.
21078 (ggc_alloc_string): Likewise.
21079 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21080 (ggc_mark_tree): Give language-dependent code a chance to mark
21082 (ggc_mark_tree_varray): Handle empty arrays.
21083 (ggc_collect): Adjust for use of ggc_chain. Clear
21084 bytes_alloced_since_last_gc.
21085 * ggc.h (ggc_pop_context): New function.
21086 (ggc_push_context): Likewise.
21087 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21088 * stmt.c (free_stmt_status): New function.
21089 (init_stmt_for_function): Clear last_expr_value.
21090 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21091 Conditionalize call to ggc_collect.
21092 (main): Call init_ggc.
21093 * tree.c (push_obstacks): Do the push, even when GC'ing.
21094 (push_obstacks_nochange): Likewise.
21095 (pop_obstacks): Liekwise.
21096 * varasm.c (free_varasm_status): Take decl as a parameter.
21098 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21100 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21101 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21102 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21103 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21105 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21107 * pa/x-pa-mpeix: New file for the MPE port.
21109 * pa/quadlib.asm: New file for long double support.
21111 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21112 * configure: Rebuilt.
21114 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21116 * final.c (shorten_branches): Fix last change.
21118 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21120 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21122 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21124 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21127 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21129 * c-aux-info.c (concat): Don't define.
21131 * cccp.c (my_strerror): Likewise. All callers changed to use
21133 (do_include): Call xstrdup, not xmalloc/strcpy.
21134 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21135 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21137 * collect2.c (my_strsignal): Likewise. All callers changed to use
21139 (locatelib): Call xstrdup, not xmalloc/strcpy.
21141 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21143 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21145 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21147 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21149 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21151 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21153 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21155 (find_all_handler_type_matches): Likewise. Don't check return
21157 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21158 xmalloc, not malloc.
21159 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21161 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21162 (init_spec): Call xcalloc, not xmalloc/bzero.
21163 (set_spec): Call xstrdup, not save_string.
21164 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21165 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21166 (process_command): Call xstrdup, not save_string.
21167 (main): Call xcalloc, not xmalloc/bzero.
21169 * gcov.c (xmalloc): Don't define.
21170 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21171 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21172 (output_data): Call xcalloc, not xmalloc/bzero.
21174 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21176 * mips-tdump.c (xmalloc): Don't define.
21177 (print_symbol): Call xmalloc, not malloc.
21178 (read_tfile): Call xcalloc, not calloc.
21180 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21181 Don't define. All callers of xfree/my_strsignal changed to use
21182 free/strsignal instead.
21183 (allocate_cluster): Call xcalloc, not calloc.
21185 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21186 Fix memory leak, free allocated memory.
21188 * prefix.c (translate_name): Call xstrdup, not save_string.
21189 (update_path): Likewise.
21191 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21193 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21194 Don't define. Callers of xfree/savestring2 changed to use
21195 free/concat instead.
21197 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21198 (init_elim_table): Likewise.
21200 * resource.c (init_resource_info): Likewise.
21202 * stupid.c (stupid_life_analysis): Likewise.
21204 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21205 (open_dump_file): Call concat, not xmalloc/strcpy/...
21206 (clean_dump_file): Likewise.
21207 (compile_file): Call xstrdup, not xmalloc/strcpy.
21209 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21211 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21212 * v850.c (v850_va_arg): New.
21214 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21216 * haifa-sched.c: Tidy comments.
21218 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21220 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21221 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21222 $(out_object_file)): Depend on ggc.h.
21223 * c-common.c: Include "ggc.h".
21224 (combine_strings): If doing GC, use ggc_alloc_string.
21225 * c-decl.c: Include "ggc.h".
21226 (ggc_p): Define with value 0.
21227 (mark_binding_level): New function.
21228 (init_decl_processing): Add GC roots.
21229 (mark_c_function_context): New function.
21230 (lang_mark_false_label_stack): New function.
21231 (lang_mark_tree): New function.
21232 (lang_cleanup_tree): New function.
21233 * c-lang.c: Include "ggc.h".
21234 (lang_init): Call c_parse_init.
21235 * c-lex.c: Include "ggc.h".
21236 (check_linenum): If doing GC, don't copy filenames to permanent
21238 * c-parse.in: Include "ggc.h".
21239 (c_parse_init): New function.
21240 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21241 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21243 * except.c (mark_eh_state): Mark more state.
21244 * function.c (mark_function_state): Likewise.
21245 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21246 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21247 * toplev.c (mark_file_stack): New function.
21248 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21249 (main): Add root for input_file_stack.
21251 * i386.c: Include "ggc.h".
21252 (ix86_mark_machine_status): New function.
21253 (override_options): Set mark_machine_status.
21255 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21257 * tree.c (copy_node): Copy node contents also if doing GC.
21259 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21261 * collect2.c (scan_libraries): Fix double-thinko :-).
21263 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21265 * collect2.c (scan_libraries): Fix thinko.
21267 * cse.c (delete_trivially_dead_insns): Do not skip the last
21268 insn if it is a real insn.
21270 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21272 * Makefile.in (ggc-simple.o): Depend on hash.h.
21273 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21274 (ggc_mark_tree_varray): Likewise.
21275 (ggc_mark_tree_hash_table): Likewise.
21276 * ggc-simple.c: Include hash.h.
21277 (ggc_mark_tree_hash_table_ptr): New function.
21278 (ggc_mark_tree_hash_table_entry): Likewise.
21279 (ggc_mark_tree_hash_table): Likewise.
21280 (ggc_add_tree_hash_table_root): Likewise.
21281 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21282 rtx, when defining fields.
21284 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21286 * profile.c (output_func_start_profiler): Remove apparently
21287 nonsensical call to start_sequence.
21289 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21291 * clipper/clipper.c (clipper_va_start): Fix typos.
21293 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21294 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21295 (spur_va_arg): New stub.
21297 * configure.in: Comment out pyramid.
21299 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21301 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21302 don't conflict with the bits that win32, cygwin, and dgux
21305 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21306 Bernd Schmidt <bernds@cygnus.co.uk>
21308 * integrate.c (function_cannot_inline_p): Do not inline
21309 functions with forced labels.
21311 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21312 Bernd Schmidt <bernds@cygnus.co.uk>
21313 Mark Mitchell <mark@codesourcery.com>
21315 * Makefile.in (ggc-simple.o): Depend on varray.h.
21316 (rtl.o): Depend on ggc.h.
21317 (genattrtab.o): Depend on ggc.h.
21318 (print-tree.o): Likewise.
21319 (fold-const.o): Likewise.
21320 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21321 (make_insn_raw): Don't cache insns when GC'ing.
21322 (emit_insn_before): Likewise.
21323 (emit_insn_after): Likewise.
21324 (emit_insn): Likewise.
21325 (start_sequence): Use xmalloc to allocate the sequence_stack.
21326 (end_sequence): Add free to free it.
21327 (gen_sequence): Don't cache insns when GC'ing.
21328 (clear_emit_caches): Don't use sequence_element_free_list.
21329 (init_emit): Use xcalloc, not xmalloc+bzero.
21330 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21331 * function.c (pop_function_context_from): Use free to free the
21332 fixup_var_refs_queue.
21333 (put_reg_into_stack): Allocate it with xmalloc.
21334 * genattrtab.c: Include ggc.h.
21335 (operate_exp): Don't use obstack_free when GC'ing.
21336 (simplify_cond): Likewise.
21337 (simplify_text_exp): Likewise.
21338 (optimize_attrs): Likewise.
21339 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21341 (gencode): Generate a #include for ggc.h.
21342 * ggc-callbacks.c (ggc_p): Define it to zero.
21343 * ggc-none.c (ggc_p): Likewise.
21344 * ggc-simple.c: Include varray.h.
21345 (ggc_mark_tree_varray): New function.
21346 (ggc_add_tree_varray_root): Likewise.
21347 (ggc_mark_tree_varray_ptr): Likewise.
21348 * ggc.h (ggc_p): Declare.
21349 (varray_head_tag): Likewise.
21350 (ggc_add_tree_varray_root): Declare.
21351 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21352 inconsistencies when GC'ing.
21353 * rtl.c: Include ggc.h.
21354 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21355 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21356 (rtx_free): Don't call obstack_free when GC'ing.
21357 * toplev.c (rest_of_compilation): Call ggc_collect after every
21359 * tree.c (push_obstacks): Do nothing, if GC'ing.
21360 (pop_obstacks_nochange): Likewise.
21361 (pop_obstacks): Likewise.
21362 (make_node): Use ggc_alloc_tree when GC'ing.
21363 (copy_node): Likewise.
21364 (get_identifier): Use ggc_alloc_string when GC'ing.
21365 (build_string): Likewise.
21366 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21367 (tree_cons): Likewise.
21368 (build1): Likewise.
21369 (type_hash_canon): Don't call obstack_free when GC'ing.
21371 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21373 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21374 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21376 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21377 Bernd Schmidt <bernds@cygnus.co.uk>
21378 Mark Mitchell <mark@codesourcery.com>
21380 * Makefile.in (stor-layout.o): Depend on ggc.h.
21381 (expr.o): Depend on ggc.h.
21382 (profile.o): Depend on ggc.h.
21383 (stor-layout.o): Depend on ggc.h.
21384 * emit-rtl.c (init_emit_once): Add gc roots.
21385 * expr.c: Include ggc.h.
21386 (emit_block_move): Add gc roots.
21387 (clear_storage): Likewise.
21388 * expr.h (init_stor_layout_once): New function.
21389 * profile.c: Include ggc.h.
21390 (init_arc_profiler): profiler_label is a root.
21391 * scan.c (make_sstring_space): Trust xrealloc to function
21392 correctly with first parameter NULL.
21393 * stor-layout.c: Include ggc.h.
21394 (set_sizetype): Add gc root.
21395 (init_stor_layout_once): New function.
21396 * toplev.c (compile_file): Call it.
21398 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21399 Bernd Schmidt <bernds@cygnus.co.uk>
21400 Mark Mitchell <mark@codesourcery.com>
21402 * Makefile.in (tree.o): Depend on ggc.h.
21403 (varasm.o): Likewise.
21404 (function.o): Likewise.
21405 (stmt.o): Likewise.
21406 (except.o): Likewise.
21407 (optabs.o): Likewise.
21408 (emit-rtl.o): Likewise.
21409 * emit-rtl.c: Include ggc.h.
21410 (sequence_element_free_list): Remove, and all references.
21411 (mark_sequence): New functions.
21412 (mark_emit_state): New function.
21413 * except.c: Include ggc.h.
21414 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21415 (mark_tree_label_node): New functions.
21416 (mark_eh_state): New function.
21417 * function.c: Include ggc.h.
21418 (mark_temp_slot, mark_function_chain): New functions.
21419 (mark_function_state): New function.
21420 (init_function_once): New function.
21421 * function.h (init_function_once): New function.
21422 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21423 * ggc.h (label_node): Declare.
21424 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21425 (lang_mark_false_label_stack): New function.
21426 (mark_temp_slot): Remove declaration.
21427 (mark_function_chain): Likewise.
21428 (mark_eh_state): Adjust prototype.
21429 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21431 * optabs.c: Include ggc.h.
21432 (mark_optab): New function.
21433 (init_optabs): Add gc roots.
21434 * stmt.c: Include ggc.h.
21435 (mark_cond_nesting, mark_loop_nesting): New functions.
21436 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21437 (mark_stmt_state): New function.
21438 * toplev.c (compile_file): Call init_function_once.
21439 * tree.c: Include ggc.h.
21440 (type_hash): Move declaration earlier in file.
21441 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21442 (init_obstacks): Add gc roots.
21443 (mark_type_hash): New function.
21444 * varasm.c: Include ggc.h.
21445 (mark_pool_constant): New function.
21446 (mark_varasm_state): New function.
21448 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21450 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21452 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21454 * c-decl.c (struct language_function): Renamed from struct c_function.
21456 (c_function_chain): Delete.
21457 (push_c_function_context): New arg F. Don't warn about nested
21458 functions here. Fill LANGUAGE elt of F. Delete code to update
21459 c_function_chain. Don't call push_function_context.
21460 (pop_c_function_context): New arg F. Restore from there instead of
21461 from c_function_chain. Don't call pop_function_context. Clear out
21462 LANGUAGE field of F when done.
21463 * c-lang.c: Include "function.h"
21464 (lang_init): Initialize save_lang_status and restore_lang_status.
21465 * c-parse.in (nested_function, nested_function_notype): Warn about
21466 nested functions. Call push_function_context/pop_function_context
21467 instead of the _c_ variants.
21468 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21470 * Makefile.in (c-lang.o): Update dependencies.
21472 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21473 regno_pointer_flag, regno_pointer_align.
21474 (gen_reg_rtx): Use xrealloc to enlarge them.
21475 (free_emit_status): New function.
21476 * function.c (mark_machine_status, mark_lang_status): New variables.
21477 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21478 in some bits from assign_stack_local. All callers changed to use new
21480 (assign_stack_local): Just call assign_stack_local_1.
21481 (free_after_compilation): New function.
21482 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21483 (trampoline_address): Likewise.
21484 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21485 (prepare_function_start): Explicitly clear some more variables.
21486 * function.h (struct function): New elt can_garbage_collect.
21487 (mark_machine_status, mark_lang_status): Declare variables.
21488 (free_after_compilation, free_emit_status, free_varasm_status,
21489 init_varasm_status): Declare functions.
21490 * toplev.c (rest_of_compilation): Call free_after_compilation when
21491 done with the current function.
21492 * varasm.c (free_varasm_status): New function.
21494 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21496 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21497 (EXPAND_BUILTIN_VA_ARG): Define.
21498 * sparc.c (sparc_va_start): New.
21499 (sparc_va_arg): New.
21501 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21503 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21505 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21507 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21509 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21511 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21512 (OBJS): Add $(GGC).
21513 (ggc-callbacks.o): New target.
21514 * ggc-callbacks.c: New file.
21516 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21518 * expr.h: Collapse individual optab and libfunc vars to arrays.
21519 (optab_index, libfunc_index): New enumerations.
21520 (optab_table, libfunc_table): New arrays.
21521 Add accessor macros for both.
21523 * optabs.c (optab_table, libfunc_table): New.
21524 Delete declarations for individual optab and libfunc vars.
21526 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21528 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21530 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21532 * Makefile.in (GGC, GGC_LIB): New.
21533 (HOST_RTL): Include ggc-none.o.
21534 (ggc-simple.o): New target.
21535 (ggc-none.o): Likewise.
21536 * tree.h (tree_common): Add gc_mark.
21537 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21538 (struct rtvec_def): Add gc_mark.
21539 * emit-rtl.c (global_rtl): Update static initializers to contain
21540 enough initializers.
21541 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21542 * toplev.c (gc_time): New variable.
21543 (all_time): New variable.
21544 (compile_file): Print gc time.
21545 (print_time): Calculate percentage of the whole.
21547 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21549 Change obstack memory management and varasm constant pool handling so
21550 that nested functions are treated like any other functions.
21551 * function.c (init_machine_status): New variable.
21552 (push_function_context_to): Set contains_functions for the outer
21553 function. Don't call save_varasm_status.
21554 (pop_function_context_from): Don't call restore_varasm_status. Don't
21555 set current_function_contains_functions.
21556 (prepare_function_start): Call init_varasm_status rather than
21557 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21559 * function.h (struct function) Add field varasm. Delete fields
21560 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21561 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21562 (init_machine_status): Declare.
21563 (save_varasm_status, restore_varasm_status): Delete declarations.
21564 (save_tree_status, restore_tree_status): Delete last argument.
21565 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21566 code. All callers changed.
21567 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21568 save_constants_in_decl_trees, restore_constants, save_constants,
21569 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21571 (inlining): New variable.
21572 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21573 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21575 (save_for_inline_nocopy): Don't save constants.
21576 Don't set inl_emit field in current_function.
21577 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21578 function. Set new variable inlining before
21579 calling copy_rtx_and_substitute.
21580 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21581 constant pool references if inlining is nonzero.
21582 Delete ADDRESS and (most of the) CONST cases.
21583 (output_inline_function): Save and restore current_function/
21584 current_function_decl. Delete restore_constants code. Don't call
21585 init_const_rtx_hash_table.
21586 * output.h (init_const_rtx_hash_table): Don't declare.
21587 * rtl.h (struct function): Declare.
21588 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21589 * toplev.c (rest_of_compilation): Don't treat nested functions or
21590 functions containing them specially. Delete all code to deal with
21591 save_for_inline_copying.
21592 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21593 inline_obstacks): Delete variables.
21594 (save_tree_status): Lose arg CONTEXT. All callers changed.
21595 Simply allocate a new function_maybepermanent_obstack for the new
21596 function, delete all the special cases.
21597 Don't save inline_obstacks.
21598 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21599 Delete special handling for function_maybepermanent_obstack; simply
21601 Don't restore inline_obstacks.
21602 (permanent_allocation): Delete code that frees inline_obstacks.
21603 (print_inline_obstack_statistics): Delete function.
21604 (dump_tree_statistics): Don't call it.
21605 * varasm.c (struct varasm_status): New.
21606 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21607 last_pool, pool_offset, const_double_chain): Delete global
21608 variables, replace with accessor macros.
21609 (immed_double_const): Don't walk const_double_chain outside a
21610 function, but don't treat nested functions specially anymore.
21611 (immed_real_const_1): Likewise.
21612 (clear_const_double_mem): Don't treat nested functions specially.
21613 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21614 (save_varasm_status, restore_varasm_status): Delete functions.
21615 (init_varasm_status): New function.
21616 (force_const_mem): Don't treat nested functions specially.
21617 (find_pool_constant): Accept new arg F, search for constants in
21618 that function's pool rather than the current one. All callers
21620 (get_pool_constant_for_function, get_pool_mode_for_function): New
21623 * i386.c (init_386_machine_status): New function, mostly from
21624 clear_386_stack_locals.
21625 (struct machine_functions): Rename element names to avoid name
21627 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21628 macros, replacing global variables.
21629 (clear_386_stack_locals, save_386_machine_status,
21630 restore_386_machine_status): Delete functions.
21631 (override_options): Initialize init_machine_status.
21632 * i386.h (INIT_EXPANDERS): Delete macro.
21633 (save_386_machine_status, restore_386_machine_status,
21634 clear_386_stack_locals): Delete declarations.
21636 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21638 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21639 (doloop_begin): Simplify pattern and use emit_jump_insn.
21640 (doloop_end): Simplify pattern, switch operand order,
21641 and use emit_jump_insn.
21643 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21645 * function.h (struct function): Add new element LANGUAGE.
21646 (save_lang_status): Declare new variable.
21647 (restore_lang_status): Likewise.
21648 * function.c (save_lang_status): Define.
21649 (restore_lang_status): Likewise.
21650 (push_function_context_to): Call language-specific save function.
21651 (pop_function_context_from): Call language-specific restore function.
21653 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21655 * i386.md (movsf_1): Check REG_P before use of REGNO.
21656 (movdf_1): Likewise.
21657 (movxf_1): Likewise.
21658 (extendsfdf2): Likewise.
21659 (extendsfxf2): Likewise.
21660 (extenddfxf2): Likewise.
21662 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21664 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21665 constants into memory.
21666 (c4x_shiftable_constant): New function.
21667 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21668 (c4x_shiftable_constant): Declare.
21669 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21670 ashlqi3_noclobber): Add new patterns and associated splitters.
21672 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21674 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21675 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21676 * final.c (shorten_branches): Likewise.
21677 * global.c (global_alloc): Likewise.
21678 * haifa-sched.c (build_control_flow): Likewise.
21679 * stmt.c (check_for_full_enumeration_handling): Likewise.
21680 (estimate_case_costs): Likewise.
21682 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21684 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21686 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21688 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21689 (recompute_reg_usage): Likewise.
21690 * rtlanal.c (find_regno_fusage): Likewise.
21692 * rtl.c (rtl_check_failed_code1): New function.
21693 (rtl_check_failed_code2): New.
21694 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21695 (RTL_CHECKC1, RTL_CHECKC2): New.
21696 (XC*): New accessor macros.
21697 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21698 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21699 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21700 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21701 (TRAP_*, RANGE_INFO_*): Likewise.
21703 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21705 * Makefile.in (tlink.o): Don't depend on toplev.h.
21707 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21708 output_file, nm_file_name, ldd_file_name, strip_file_name,
21709 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21710 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21711 fork_execute, maybe_unlink, add_to_list,
21712 extract_init_priority, write_list, dump_list,
21713 dump_prefix_list, write_list_with_asm, write_c_file,
21714 write_c_file_stat, write_c_file_glob, scan_prog_file,
21715 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21716 ignore_library, extract_string, notice, dump_file, target_machine,
21717 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21718 read_file, print_load_command): Constify a char*.
21719 (fdopen, error, fatal, fatal_perror): Don't prototype.
21720 (my_strerror): Remove. All callers use xstrerror instead.
21721 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21722 (main): Add prototype. Constify lots of char* ptrs. Change calls
21723 to xcalloc/strcpy/strcat/... to one call to concat.
21724 (main, scan_prog_file, scan_libraries): Use an intermediate
21725 `const char **' to build an argv array.
21726 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21728 * collect2.h (collect_execute, collect_wait, dump_file,
21729 file_exists): Constify a char*.
21730 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21731 temporary_firstobj, vflag, debug): Add extern declarations.
21732 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21734 * tlink.c: Don't include toplev.h.
21735 (vflag, debug, ldout, c_file_name, temporary_obstack,
21736 permanent_obstack, temporary_firstobj): Don't declare.
21737 (tlink_execute, frob_extension, symbol_hash_lookup,
21738 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21739 recompile_files, read_repo_files, demangle_new_symbols,
21740 scan_linker_output): Constify a char*.
21741 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21742 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21744 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21746 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21747 (relative) rather than jsr (absolute) subroutine call insns.
21748 * config/m68k/m68k-coff.h: Ditto.
21750 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21752 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21753 now rework these too.
21754 (arm_reorg): If an insn can't reach the end of the current pool,
21755 ensure that we emit that pool before the insn.
21757 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21759 * tlink.c (scan_linker_output): Skip the initial underscore in
21760 a mangled name if appropriate.
21762 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21764 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21765 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21766 error_with_ivar, gen_declarator, create_builtin_decl,
21767 my_build_string, generate_descriptor_table, generate_ivars_list,
21768 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21769 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21770 dump_base_name, lang_decode_option, build_encode_expr,
21771 start_class, finish_class, encode_pointer, really_start_method,
21772 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21774 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21775 Add static prototypes.
21776 (build_objc_string_decl, build_selector_reference_decl,
21777 encode_bitfield, build_class_reference_decl): Remove unused
21778 parameter, all callers changed.
21779 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21780 (objc_printable_name): Likewise. Change second parameter to type int.
21781 (init_objc): Use memcpy, not bcopy, to avoid casts.
21783 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21785 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21786 reg notes on a deleted insn.
21787 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21789 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21791 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21793 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21795 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21798 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21800 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21801 * tm.texi (MD_ASM_CLOBBERS): Document it.
21803 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21805 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21806 * except.c (expand_rethrow): Remove unused variable.
21807 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21808 * flow.c (replace_insns): Likewise.
21809 (create_edge_list, verify_edge_list): Likewise.
21810 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21812 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21813 is special code to run.
21814 (main): Don't define operands to emit_operand.
21815 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21817 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21819 * alpha/alpha.h (normal_memory_operand): Declare.
21820 (reg_no_subreg_operand): Declare.
21821 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21823 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21825 * c-parse.in (compstmt_primary_start): New, broken out of first
21826 part of compstmt handling in primary.
21827 (primary): Use it. Add an error clause.
21828 (compstmt_nostart): Renamed from compstmt; remove all
21829 initial invocations of compstmt_start.
21832 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21834 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21837 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21839 * combine.c (simplify_shift_const): Remove extra semicolon.
21840 * dwarf2out.c (remove_AT): Likewise.
21841 * expmed.c (expand_mult): Likewise.
21842 * gcov.c (create_program_flow_graph): Likewise.
21843 * reorg.c (mostly_true_jump): Likewise.
21845 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21847 * fold-const.c (fold_range_test): Do not try to fold the range
21848 test if the rhs or lhs has side effects.
21850 * combine.c (simplify_rtx): Recognize another case of a synthesized
21853 * varasm.c (mark_constant_pool): When marking indirect references,
21854 only look at SYMBOL_REFs.
21856 * except.c (expand_fixup_region_end): Do not peek at
21857 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21859 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21861 * flags.h: New variables align_loops, align_loops_log,
21862 align_jumps, align_jumps_log, align_labels, align_labels_log,
21863 align_functions, align_functions_log.
21864 * toplev.c: Define them.
21865 (f_options): Handle -falign-* when they have no argument.
21866 (main): Add logic to set variables for -falign-functions,
21867 -falign-jumps, -falign-labels, -falign-loops.
21868 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21869 (display_help): Change help to match options.
21870 * final.c (LABEL_ALIGN): Default to align_labels_log.
21871 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21872 (LOOP_ALIGN): Default to align_loops_log.
21873 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21874 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21875 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21876 * varasm.c (assemble_start_function): Handle align_functions.
21878 * config/sparc/sparc.h: Don't declare sparc_align_*.
21879 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21880 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21882 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21884 * config/sparc/sparc.c: Delete sparc_align_loops,
21885 sparc_align_jumps, sparc_align_funcs and the corresponding string
21887 (sparc_override_options): Default align_functions on ultrasparc.
21888 Delete -malign-* handling.
21890 * config/mips/mips.c (override_options): On 64-bit targets,
21891 try to align code to 64-bit boundaries.
21892 (print_operand): New substitution, %~,
21893 which aligns labels to align_labels_log.
21894 * config/mips/mips.md (div_trap_normal): Use %~.
21895 (div_trap_mips16): Likewise.
21897 (absdi2): Likewise.
21898 (ffssi2): Likewise.
21899 (ffsdi2): Likewise.
21900 (ashldi3_internal): Likewise.
21901 (ashrdi3_internal): Likewise.
21902 (lshrdi3_internal): Likewise.
21903 (casesi_internal): Likewise.
21905 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21907 Merge new ia32 backend from the branch!
21909 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21910 See ChangeLog.P2 on new_ia32_branch for details.
21912 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21913 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21914 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21915 * i386/gas.h (ASM_FILE_START): Define.
21916 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21917 for name change of ix86_valid_decl_attribute_p.
21918 (i386_pe_valid_type_attribute_p): Similarly.
21920 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21922 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21923 to step through CC modes.
21925 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21927 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21928 it would end up in the shadow of a live flags regsiter.
21930 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21932 * reload1.c: Fix many indentation problems.
21933 * reload.c: Likewise.
21935 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21937 * alias.c (non_local_reference_p): Constify fmt.
21939 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21941 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21943 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21945 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21946 the internal_arg_pointer.
21948 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21950 Merge peephole2 from new_ia32_branch:
21951 * Makefile.in (STAGESTUFF): Add *.peephole2.
21952 (mostlyclean): Likewise.
21953 (recog.o): Depend on resource.h.
21955 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21956 (final_scan_insn): Likewise for the invocation of peephole.
21957 * genconfig.c (main): Look for peephole and peephole2 patterns.
21958 Emit HAVE_peephole* accordingly.
21959 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21960 * flags.h (flag_peephole2): Declare.
21961 * toplev.c: New pass peephole2. New flag -fpeephole2.
21963 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21964 * gencodes.c (main): Likewise.
21965 * genextract.c (main): Likewise.
21966 * genoutput.c (main): Likewise.
21967 * genemit.c (max_operand_1): Look for the max scratch operand.
21968 (gen_rtx_scratch): New.
21969 (gen_exp): Use it, and pass on new arg subroutine_type.
21970 (gen_expand): Take max scratch into account.
21971 (gen_split): Emit peephole2 functions.
21972 (output_peephole2_scratch): New.
21973 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21974 * genrecog.c (routine_type): Add PEEPHOLE2.
21976 (make_insn_sequence): Match outer parallel for peep2. Discard
21977 top level scratches and dups.
21978 (add_to_sequence): New args insn_type and top. Update all callers.
21979 Handle toplevel peep2 matching insns.
21980 (write_subroutine): Handle peep2.
21981 (write_tree_1): Likewise.
21982 (write_tree): Likewise.
21984 (change_state): New arg afterward. Update all callers.
21985 Handle matching separate insns.
21986 * recog.c (recog_next_insn): New.
21987 (peephole2_optimize): New.
21988 * rtl.def (DEFINE_PEEPHOLE2): New.
21989 * resource.c (find_free_register): New argument last_insn. Use it
21990 to find a register available through the entire span.
21991 * resource.h (find_free_register): Update prototype.
21993 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21995 * i386.c (output_strlen_unroll): Don't write xops[7]
21996 label if it wasn't set.
21998 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
22000 * cpplib.c (struct directive): Const-ify name pointer and
22001 function pointer prototype.
22002 (validate_else, do_define, do_line, do_include, do_undef,
22003 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
22004 do_elif, do_endif, do_sccs, do_assert, do_unassert,
22005 do_warning): Const-ify second arg.
22006 (directive_table): Mark const. Reorder entries by frequency
22007 of usage, record statistics.
22009 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
22011 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
22012 bounds- check RTL accesses if --enable-checking.
22013 (RTVEC_ELT): Bounds check if --enable-checking.
22014 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
22015 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
22016 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
22018 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
22019 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
22021 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
22022 (NOTE_SOURCE_FILE): Use X0STR.
22023 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
22024 MEM_ALIAS_SET): Use X0INT.
22025 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
22026 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
22028 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
22029 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
22030 (rtl_check_failed_bounds, rtl_check_failed_type1,
22031 rtl_check_failed_type2, rtvec_check_failed_bounds): New
22033 (fancy_abort): Fix comment.
22035 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
22036 (cse_insn): Decrement LABEL_NUSES for jump target before
22037 deleting jump insn.
22038 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
22039 * final.c (alter_subreg): Compute regno before changing x to
22040 REG; set REGNO(x) after changing it.
22041 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
22042 notes containing CONST_INTs.
22043 (delete_eh_regions): Use NOTE_EH_HANDLER.
22044 * function.c (put_reg_into_stack): Make reg a MEM before
22046 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
22048 (gen_mem_addressof): Make reg a MEM before initializing it.
22049 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
22051 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
22052 deleting an insn, not after.
22053 (block_alloc): Only look at PATTERN(insn) if we have to, and
22054 only if it's format class 'i'.
22055 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22056 CONST_INT before using its INTVAL.
22057 * print-rtl.c (print_rtx): Use X0STR.
22058 * regmove.c (fixup_match_1): Don't look at PATTERN of
22059 non-class-'i' insn chain elements.
22060 * reload.c (loc_mentioned_in_p): Take address of
22061 in->fld[1].rtx directly.
22062 * reload1.c (reload): Change reg to a MEM before initializing
22064 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22066 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22068 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22070 * config/mips/mips.c (machine_dependent_reorg): Force a
22071 barrier to output the local constant pool if a barrier hasn't
22072 been found at a natural point in the instruction stream.
22074 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22076 * c-parse.in (language_string): Constify.
22078 * dwarf2out.c (language_string): Remove declaration.
22080 * dwarfout.c (language_string): Likewise.
22082 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22084 * tree.h (language_string, init_parse, finish_parse): Declare.
22086 * i386/sun386.h (language_string): Remove declaration.
22088 * mips.h (language_string): Likewise.
22090 * nextstep.h (language_string): Likewise.
22092 * nextstep21.h (language_string): Likewise.
22094 * rs6000.c (language_string): Likewise.
22096 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22098 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22099 (getpwd.o): Remove target.
22101 * getpwd.c: Delete file. Its in libiberty now.
22103 * dbxout.c (getpwd): Don't prototype.
22104 * dwarf2out.c (getpwd): Likewise
22105 * dwarfout.c (getpwd): Likewise
22106 * final.c (getpwd): Likewise.
22107 * protoize.c (getpwd): Likewise.
22109 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22111 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22113 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22115 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22116 mark_set_resources.
22118 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22120 * fixinc/Makefile.in (subdir): New.
22121 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22124 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22126 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22127 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22130 * invoke.texi: Fix typo.
22132 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22133 changed. Handle autoincrement addressing modes.
22135 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22136 just like we would the virtual incoming args register when
22139 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22141 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22142 path, in .file directive.
22144 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22146 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22149 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22151 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22154 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22156 * tree.c (tree_code_name): Constify a char*.
22158 * tree.h (tree_code_name, decl_printable_name): Likewise.
22160 * function.h (struct function): Likewise.
22162 * toplev.c (decl_name, decl_printable_name): Likewise.
22164 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22166 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22167 (init_objc): Remove function pointer cast.
22169 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22171 * pa.md (interspace_jump): New pattern.
22172 (builtin_longjmp): New expander.
22174 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22176 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22177 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22178 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22180 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22182 * jump.c (delete_prior_computation): Also check calls
22183 to constant functions. Don't bother checking for a
22184 REG_UNUSED note before adding it.
22185 (delete_computation): Handle multi-word hard registers
22186 when synthesizing missing REG_DEAD notes for a register
22187 which is both set and used by an insn.
22189 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22191 * loop.c (this_loop_info): New variable.
22192 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22193 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22195 (prescan_loop, strength_reduce): New argument loop_info. All callers
22197 (scan_loop): New variable loop_info, initialise to address of
22199 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22200 Delete variable loop_has_multiple_exit targets and replace with
22201 field in this_loop_info.
22202 (find_and_verify_loops): Rename this_loop to this_loop_num.
22203 (strength_reduce): Delete loop_iteration_info. Replace variable
22204 loop_info with function argument of same name.
22205 (insert_bct): Rework test for loop being completely unrolled.
22207 * loop.h (struct loop_info): New fields num, loops_enclosed,
22208 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22209 has_indirect_jump, and cont. Redefine use of unroll_number.
22210 (loop_unroll_number): Delete.
22212 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22213 field of loop_info.
22214 (loop_iterations): Delete variable vtop and instead use
22215 loop_info->vtop computed in prescan_loop.
22217 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22219 * fix-header.c (main): Do not pass a null pointer to strcmp.
22221 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22223 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22225 * configure: Rebuilt.
22227 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22229 * jump.c (jump_optimize_1): Do not delete assignments to
22230 internal_arg_pointer.
22231 * cse.c (delete_trivially_dead_insns): Always consider a set of
22232 the internal_arg_pointer live.
22234 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22236 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22237 (update_life_info) [REG_WAS_0]: Search the original insns rather
22238 than the new insns for the note. Fix typos finding note_dest.
22239 If no dest found, discard the note rather than abort.
22240 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22241 (replace_insns): Remove the old insn list after update_life_info
22244 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22246 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22247 sched_analyze_insn.
22248 (sched_analyze_1): Let add_dependence care for not adding dups.
22249 (sched_analyze_2): Likewise.
22250 (add_branch_dependences): Likewise.
22252 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22254 * i386/winnt.c (export_list): New type.
22255 (exports_head): Rename to
22256 (export_head): this.
22257 (i386_pe_record_exported_symbol): Add is_data flag.
22258 (i386_pe_asm_file_end): Emit directive for exported variables.
22259 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22261 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22262 (ASM_DECLARE_OBJECT_NAME): Likewise.
22263 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22264 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22266 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22268 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22270 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22273 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22275 * config/openbsd.h: Define SET_ASM_OP.
22276 * tm.texi: cross-reference SET_ASM_OP in the index.
22278 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22280 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22281 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22282 and class_narrowest_mode at compile time. Kill init_rtl.
22283 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22284 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22285 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22287 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22289 * rtl.h: Declare rtx_length and rtx_format as const.
22290 * machmode.def: Define CC(). Use CC() to define CCmode. If
22291 EXTRA_CC_MODES is defined, expand it here.
22292 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22293 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22294 const. Kill all references to EXTRA_CC_MODES.
22296 * toplev.c: Don't prototype or call init_rtl.
22297 * optabs.c: Don't call init_mov_optab.
22298 * genemit.c: Don't generate init_mov_optab. Don't call
22300 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22302 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22303 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22304 genrecog.c: Don't call init_rtl.
22306 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22307 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22308 definition of EXTRA_CC_MODES.
22310 * md.texi: Kill ref to EXTRA_CC_NAMES.
22311 * tm.texi: Document new way to define EXTRA_CC_MODES.
22313 * genrecog.c: Do not look up the name of a define_split.
22314 (Unrelated bugfix.)
22316 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22318 * config/v850/v850.md: Fix typo introduced by previous delta.
22320 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22322 * gcc.c (fatal): Make definition static to match prototype.
22324 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22326 * combine.c (get_last_value): Don't look for earlier sets if the last
22327 known set is somewhere in between the insns being combined.
22329 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22331 * configure.in: Don't use shell ! to negate exit codes
22332 * configure: Regenerate
22334 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22336 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22337 the fact that ALIGN is measured in bits, not bytes.
22339 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22341 * errors.c: New file; defines functions error, warning, and
22342 fatal, variables have_error and progname.
22343 * errors.h: New file; prototypes and decls for stuff in errors.c.
22345 * Makefile: Add rules to build errors.o and
22346 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22347 genopinit, genrecog, genextract, genpeep, genattr, and
22348 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22349 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22350 genpeep.o, genattr.o, and genoutput.o.
22352 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22353 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22354 define or prototype fatal. Set progname at beginning of main.
22355 * genoutput.c: Likewise, and don't define or prototype error
22358 * c-typeck.c (c_expand_start_case): Return immediately if exp
22360 * fold-const.c (operand_equal_p): Return immediately if arg1
22361 or arg0 are ERROR_MARKs.
22362 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22363 fields of type ERROR_MARK when calculating if the record can
22366 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22367 with much help from Jeffrey A Law and Richard Henderson
22369 * i386.md: In the 6 insns which call output_fix_trunc,
22370 earlyclobber operands[0].
22372 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22374 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22375 creating new registers.
22377 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22379 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22380 i386_reg_alloc_order, i386_regparm_string,
22381 i386_align_loops_string, i386_align_jumps_string,
22382 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22383 and i386_branch_cost_string as type "const char *".
22384 * i386.c: Define all above strings as type "const char *".
22386 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22388 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22389 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22391 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22393 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22394 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22396 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22398 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22399 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22400 (dwarf2out_line, dwarf2out_finish): Likewise.
22401 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22403 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22405 * tree.c (lang_unsave_expr_now) : Correct return type.
22406 * tree.h (lang_unsave_expr_now) : Same.
22408 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22410 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22411 instead of duplicating code.
22413 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22415 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22417 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22419 * tree.h: fancy_abort always takes three args.
22420 * resource.c: Move include of system.h before toplev.h.
22422 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22424 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22427 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22429 * system.h: Don't redefine abort or trim_filename.
22430 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22431 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22432 whether or not __FUNCTION__ is available.
22433 * tree.h: Duplicate rtl.h's definition of abort, for files
22434 that don't include rtl.h. Delete all code to perform type
22435 checking with a compiler other than GCC.
22436 * varray.h: Delete all code to perform type checking with a
22437 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22438 its arguments exactly once, using a statement expression.
22439 Adjust the VARRAY_<type> accessor macros to match.
22440 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22441 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22442 caller's location. Define fatal_insn and fatal_insn_not_found
22443 as macros that use _fatal_insn and _fatal_insn_not_found.
22444 (fancy_abort, trim_filename): Kill prototypes.
22446 * rtl.c (trim_filename): Move here from toplev.c.
22447 (fancy_abort): New function.
22448 (DIR_SEPARATOR): Provide default definition.
22449 * tree.c (tree_check_failed, tree_class_check_failed): Go
22450 through fancy_abort.
22451 (tree_check, tree_class_check, cst_or_constructor_check,
22452 expr_check): Delete.
22453 * varray.c (varray_check_failed): New function.
22454 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22455 _fatal_insn and _fatal_insn_not_found. Go through
22457 (trim_filename, fancy_abort): Delete.
22459 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22460 * except.c (start_catch_handler): Report ICE with error/abort
22462 * final.c (output_operand_lossage): Likewise.
22463 * flow.c (verify_flow_info): Likewise.
22465 * gcc.c: Prototype fatal.
22466 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22467 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22468 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22469 Don't define fancy_abort.
22471 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22473 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22476 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22478 * m88k.h (VERSION_INFO2): Kill.
22479 (VERSION_STRING): Kill.
22481 (VERSION_INFO1): Tidy.
22482 (TARGET_VERSION): Update.
22483 * m88k/dgux.h (VERSION_INFO2): Kill.
22484 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22485 * m88k/luna.h (VERSION_INFO1): Tidy.
22486 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22487 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22488 (output_file_start): Adjust for death of VERSION_STRING.
22490 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22492 * cpplib.c (detect_if_not_defined): New function.
22493 (do_if): Use it to detect potential once-only headers.
22495 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22497 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22499 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22501 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22502 anywere in the function only if they are pseudos and set before
22503 being used (not live at the start of the function).
22504 (num_sign_bit_copies) : Same.
22505 (get_last_value_validate) : Same.
22506 (get_last_value) : Same.
22508 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22510 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22511 where N and M are constant and N is an integer multiple of M.
22513 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22515 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22516 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22517 sbitmap_union_of_preds): Add prototypes.
22518 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22519 the intersection of successors with the new flow graph structures.
22520 (sbitmap_intersection_of_preds): New function to compute the
22521 intersection of predecessors with the new flow graph structures.
22522 (sbitmap_union_of_succs): New function to compute the union of
22523 successors with the new flow graph structures.
22524 (sbitmap_union_of_preds): New function to compute the union of
22525 predecessors with the new flow graph structures.
22526 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22527 (expr_reaches_here_p): Use edge and basic_block structures instead
22528 of s_preds and s_succs.
22529 (compute_cprop_avinout): Use new sbitmap routines.
22530 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22531 of s_preds and s_succs.
22532 * flow.c (compute_flow_dominators): Compute dominators using
22533 edges and basic blocks instead of s_preds and s_succs.
22535 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22537 * lists.c (unused_insn_list, unused_expr_list): New file for
22538 maintaining various types of lists. New statics for maintaining a
22539 cache of available INSN_LIST and EXPR_LIST nodes.
22540 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22541 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22542 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22543 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22544 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22545 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22546 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22547 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22548 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22549 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22550 (remove_dependence, free_pending_lists): Use new global routines.
22551 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22552 (sched_analyze, compute_block_backward_dependences): Use new routines.
22553 (sched_analyze_1, sched_analyze_2): Use new routines.
22554 (schedule_insns): Use new global routines.
22555 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22557 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22558 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22560 * toplev.c (rest_of_compilation): Initialize node cache.
22561 * Makefile.in (OBJS): Add lists.o to list of object files.
22562 (lists.o): Add dependancies.
22564 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22566 * config/v850/v850.md: Fix compile time warning messages.
22567 * config/v850/v850.c: Fix compile time warning messages.
22568 * config/v850/v850.h: Fix compile time warning messages.
22570 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22572 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22573 Remove unused prototype for `init_lengths'.
22575 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22577 * calls.c (emit_call_1): Mark parameter `stack_size' with
22579 (expand_call): Initialize variable `insn'.
22580 (emit_library_call): Likewise for variable `high_to_save'.
22581 (emit_library_call_value): Likewise.
22582 (store_one_arg): Likewise for variables `lower_bound' and
22585 * combine.c (try_combine): Likewise for variables `i2_code_number'
22586 and `other_code_number'.
22587 (find_split_point): Likewise for variables `pos', `unsignedp' and
22589 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22590 (simplify_and_const_int): Remove unused variable `width'.
22591 (merge_outer_ops): Likewise.
22593 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22594 HOST_WIDE_INT' when comparing against one.
22595 (simplify_relational_operation): Likewise.
22596 (cse_insn): Initialize variables `src_eqv_volatile',
22597 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22599 * final.c (init_final): Constify parameter `filename'.
22600 (final_start_function): Mark parameter `optimize' with
22602 (profile_function): Likewise for parameters `first' and `optimize'.
22603 (output_source_line): Likewise for parameter `file'.
22605 * integrate.c (subst_constants): Cast a value to `size_t' when
22606 comparing against one.
22607 (mark_stores): Initialize variable `mode'. Cast a value to
22608 `size_t' when comparing against one.
22610 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22612 * loop.c (move_movables): Initialize variable `first'.
22613 (strength_reduce): Likewise for variable `increment'.
22614 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22615 value to `size_t' when comparing against one.
22616 (load_mems): Initialize variable `end_label'.
22618 * output.h (init_final): Constify parameter.
22620 * reload.c (decompose): Initialize variable `base'.
22622 * reload1.c (reload): Likewise for variable `is_scalar'.
22623 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22624 (choose_reload_regs): Initialize variable `mode'.
22625 (emit_reload_insns): Likewise for variable `store_insn'.
22626 (reload_cse_noop_set_p): Mark parameter `insn' with
22628 (reload_combine): Initialize variable `set'.
22630 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22631 (copy_loop_body): Cast a value to `size_t' when comparing against
22634 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22635 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22636 (remove_from_pending_weak_list): Mark parameter `name' with
22639 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22641 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22644 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22646 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22647 (ASM_DECLARE_FUNCTION_NAME): Define.
22648 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22649 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22650 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22651 not already defined.
22653 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22655 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22656 of n_popped when call/call_value are not defined.
22658 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22660 * tm.texi: GNU CC -> GCC conversion.
22661 (CC1_SPEC): Indicate it is used for all language front ends.
22663 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22665 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22666 NOTE_INSN_EH_REGION_END correctly.
22668 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22669 Jeff Law <law@cygnus.com>
22671 * loop.c (strength_reduce): Automatically unroll loops if the
22672 unrolled loop size is smaller than the rolled loop size.
22674 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22675 and delete comment that code should be rewritten.
22677 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22679 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22682 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22684 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22686 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22687 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22688 (LINK_SPEC): Add -u _main when building executables.
22689 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22690 (ASM_FILE_END): Use the default for ix86-pe.
22691 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22693 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22695 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22696 and ASM_CLOSE_PAREN are empty strings.
22698 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22699 Geoffrey Keating <geoffk@cygnus.com>
22701 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22702 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22703 (unprotoize.o): Ditto.
22704 (test-protoize-simple): Don't define STD_PROTO_DIR.
22705 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22706 changes to make 'test-protoize-simple' pass.
22707 (STD_PROTO_DIR): Remove define.
22708 (STANDARD_EXEC_PREFIX): Supply default define.
22709 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22710 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22711 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22712 (GET_ENV_PATH_LIST): New macro.
22713 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22714 (do_processing): Initialize default_syscalls_dir using new
22715 macros. Use it to initialize syscalls_absolute_filename.
22717 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22719 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22720 B into a register before emit_conditional_move.
22722 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22724 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22725 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22726 multiplicand out of (+ (* a b) (* c d)).
22728 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22729 Richard Henderson <rth@cygnus.com>
22731 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22732 (new_insn_dead_notes): Likewise.
22733 (update_n_sets): Likewise.
22734 (update_flow_info): Move to flow.c, renamed to update_life_info;
22735 extend to handle multiple source insns.
22736 * flow.c: Include resource.h
22737 (unlink_insn_chain): New.
22738 (split_hard_reg_notes): New.
22739 (maybe_add_dead_note): New.
22740 (maybe_add_dead_note_use): New.
22741 (find_insn_with_note): New.
22742 (new_insn_dead_notes): New.
22743 (update_n_sets): New.
22744 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22745 (maybe_remove_dead_notes): New.
22746 (update_life_info): New.
22747 (prepend_reg_notes): New.
22748 (replace_insns): New.
22749 * output.h (update_life_info): Declare.
22750 * recog.c (split_block_insns): Use update_life_info.
22751 * resource.c (find_free_register): Use reg_alloc_order, don't use
22752 fixed regs, make sure the mode is supported, don't use new regs.
22754 * rtl.h (replace_insns): Declare.
22756 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22758 * expr.c (expand_expr): Cope with COND_EXPRs with one
22759 non-returning branch.
22761 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22763 * expr.c (store_expr): Always pass down the target, even when not
22766 1999-08-24 Nick Clifton <nickc@cygnus.com>
22768 * configure.in: Define target_cpu_default for v850 targets.
22769 * configure: Regenerate
22771 * config/v850/v850.h (TARGET_CPU_generic): Define.
22772 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22773 addresses are 4 byte aligned.
22775 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22778 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22780 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22781 (main): Add prototypes.
22783 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22784 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22785 (write_attr_get): Emit prototypes along with function definition.
22786 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22787 (write_complex_function): Emit static prototype along with
22788 function definition.
22790 * genemit.c (gen_split): Emit prototypes along with function
22793 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22794 Likewise for predicates and `insn_operand_predicate'.
22795 (process_template): Emit static prototype along with function
22798 * genrecog.c (make_insn_sequence): Constify a char*. Add
22799 prototypes for get_split_*().
22800 (write_subroutine): Emit prototypes along with function
22803 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22805 * gcse.c (find_avail_set): Follow chains of register-register copies.
22806 Use oprs_not_set_p to guarantee that the returned value can be
22808 (cprop_insn): Don't verify the return value of find_avail_set with
22811 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22812 (cprop_cc0_jump): New function.
22813 (cprop_insn): Break out new function cprop_jump and use it.
22814 Also use cprop_cc0_jump for machines with CC0.
22815 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22817 * tree.h (current_function_calls_setjmp,
22818 current_function_calls_longjmp): Delete declarations.
22819 * dsp16xx.c: Include "function.h".
22820 * elxsi.c: Likewise.
22821 * gmicro.c: Likewise.
22822 * h8300.c: Likewise.
22823 * i370.c: Likewise.
22824 * m32r.c: Likewise.
22825 * mn10200.c: Likewise.
22826 * mn10300.c: Likewise.
22827 * ns32k.c: Likewise.
22828 * spur.c: Likewise.
22829 * v850.c: Likewise.
22831 * rtl.h (rtx_equal_function_value_matters): Declare.
22832 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22834 * function.c: Likewise.
22835 * emit-rtl.c: Likewise.
22837 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22839 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22842 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22844 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22847 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22849 * cpp.texi: Add a node documenting macro varargs (copied
22852 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22854 * cppspec.c: Put a null pointer at the end of the new argv.
22856 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22858 * configure.in: Remove code to select/de-select the haifa
22859 scheduler. Every scheduled port gets haifa now.
22860 * configure: Rebuilt.
22861 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22863 * Makefile.in: Corresponding changes.
22865 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22867 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22868 All callers changed.
22869 (prepare_float_lib_cmp): Likewise.
22870 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22871 * expr.h (emit_float_lib_cmp): Delete declaration.
22872 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22873 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22874 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22876 (cmptf): Now conditional on TARGET_HARD_QUAD.
22878 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22880 * resource.c (mark_target_live_regs): Use
22881 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22883 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22885 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22887 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22889 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22891 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22893 * rtl.h (rtx_format): Constify a char*.
22895 * rtl.c (rtx_format): Likewise.
22896 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22897 (init_rtl): Use accessor macro, not `rtx_format'.
22899 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22902 * caller-save.c (mark_referenced_regs): Likewise.
22904 * combine.c (subst, make_compound_operation, known_cond,
22905 gen_rtx_combine, update_table_tick, get_last_value_validate,
22906 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22908 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22909 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22910 count_reg_usage): Likewise.
22912 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22915 * final.c (leaf_renumber_regs_insn): Likewise.
22917 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22918 dump_edge_info, count_reg_references): Likewise.
22920 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22921 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22924 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22925 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22926 add_label_notes): Likewise.
22928 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22929 clear_struct_flag, count_sub_rtxs, count_alternatives,
22930 compares_alternatives_p, contained_in_p, walk_attr_value,
22931 write_expr_attr_cache): Likewise.
22933 * genconfig.c (walk_insn_part): Likewise.
22935 * genemit.c (max_operand_1, gen_exp): Likewise.
22937 * genextract.c (walk_rtx): Likewise.
22939 * genflags.c (num_operands): Likewise.
22941 * genoutput.c (scan_operands): Likewise.
22943 * genpeep.c (match_rtx): Likewise.
22945 * genrecog.c (add_to_sequence): Likewise.
22947 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22950 * integrate.c (save_constants, copy_for_inline,
22951 copy_rtx_and_substitute, subst_constants, restore_constants):
22954 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22955 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22957 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22960 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22961 add_label_notes, replace_call_address, count_nonfixed_reads,
22962 invariant_p, find_single_use_in_loop, find_mem_givs,
22963 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22966 * print-rtl.c (reg_names, print_rtx): Likewise.
22968 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22970 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22971 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22972 print_blocks): Likewise.
22974 * regclass.c (fix_register, record_address_regs,
22975 reg_scan_mark_refs): Likewise.
22977 * regmove.c (stable_but_for_p): Likewise.
22979 * reload.c (loc_mentioned_in_p, operands_match_p,
22980 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22981 copy_replacements, refers_to_regno_for_reload_p,
22982 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22983 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22986 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22987 delete_address_reloads_1, count_occurrences,
22988 reload_cse_mem_conflict_p, reload_combine_note_use,
22989 add_auto_inc_notes): Likewise.
22991 * resource.c (mark_referenced_resources, mark_set_resources):
22994 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22995 reg_mentioned_p, regs_set_between_p, modified_between_p,
22996 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22997 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22998 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22999 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
23001 * sched.c (sched_analyze_2, attach_deaths): Likewise.
23003 * stupid.c (stupid_mark_refs): Likewise.
23005 * unroll.c (remap_split_bivs): Likewise.
23007 * varasm.c (mark_constants): Likewise.
23009 * a29k/a29k.c (uses_local_reg_p): Likewise.
23011 * alpha/alpha.c (summarize_insn): Likewise.
23013 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
23014 eliminate_lr2ip): Likewise.
23016 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
23018 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
23019 reg_mentioned_in_mem): Likewise.
23021 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
23022 symbolic_reference_mentioned_p): Likewise.
23024 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
23026 * sh/sh.c (regs_used, mark_use): Likewise.
23028 * vax/vax.c (vax_rtx_cost): Likewise.
23030 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23032 * machmode.h (mode_name): Constify a char*.
23034 * rtl.c (mode_name): Likewise.
23036 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
23038 * optabs.c (init_libfuncs): Constify a char*.
23040 * print-tree.c (mode_name): Remove redundant declaration.
23041 (print_node): Use accessor macro, not `mode_name'.
23043 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
23045 (new_spill_reg): Constify a char*.
23047 * tree.c (mode_name): Remove redundant declaration.
23049 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23051 * rtl.c (rtx_name): Constify a char*.
23053 * rtl.h (rtx_name, fix_sched_param): Likewise.
23055 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23056 (mypr): Use accessor macro, not `rtx_name'.
23058 * genemit.c (print_code): Constify a char*.
23060 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23062 * genpeep.c (print_code): Constify a char*.
23064 * genrecog.c (print_code): Likewise.
23066 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23067 end_bb): Add static prototype.
23068 (draw_edge): Constify a char*.
23069 (end_bb): Remove unused parameter.
23071 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23072 print_block_visualization): Constify a char*.
23074 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23076 * c-common.c (c_get_alias_set): Update comment.
23078 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23080 * linux.h (LIB_SPEC): Added.
23082 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23084 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23086 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23088 * tree.c (expr_check): Fix typo in last change.
23090 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23092 * rtl.def (NOTE): Change format to "iuu0n".
23093 (ADDR_DIFF_VEC): Change format to "eEee0".
23094 (ADDRESSOF): Change format to "eit".
23096 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23097 (RTVEC_ELT): Change to match.
23098 (XVECEXP): Use XVEC and RTVEC_ELT.
23099 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23100 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23101 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23102 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23103 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23104 (INTVAL): Use XWINT.
23105 (ADDRESSOF_DECL): Use XTREE.
23106 (SET_ADDRESSOF_DECL): Delete.
23107 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23108 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23109 ifdefed out since 2.6 at least.
23110 (gen_rtvec_vv): Delete prototype.
23112 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23114 (copy_most_rtx): Handle 't' format letter.
23115 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23116 (gen_rtvec_vv): Delete function. All callers changed to use
23117 gen_rtvec_v instead.
23118 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23119 the '0' format letter.
23121 * function.c (gen_mem_addressof): Don't use
23122 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23124 * integrate.c (copy_rtx_and_substitute): Likewise.
23125 Copy 't' slots with XTREE.
23126 (subst_constants): Treat 't' slots like '[swi]' slots.
23127 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23128 * jump.c (rtx_equal_for_thread_p): Likewise.
23129 * rtlanal.c (rtx_equal_p): Likewise.
23130 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23131 only four arguments.
23132 * gengenrtl.c (type_from_format): Provide correct types for
23136 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23137 If a recent gcc is in use (always in stage2 and beyond), use
23138 statement expressions, so we don't make a function call unless
23139 the check fails. Evaluate arguments exactly once.
23140 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23141 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23143 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23144 they evaluate their arguments exactly once, irrespective of
23145 the compiler in use.
23147 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23148 is used by the currently-enabled check macros. This is:
23149 (tree_check_failed, tree_class_check_failed): For gcc.
23150 (tree_check, tree_class_check, cst_or_constructor_check,
23151 expr_check): For other compilers.
23153 * gencheck.c: Do not define any *_CHECK1 macros.
23155 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23156 Mark Mitchell <mark@codesourcery.com>
23158 * c-common.c (c_get_alias_set): Fix support for poitners and
23161 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23163 * alias.c: Include tree.h.
23164 (nonlocal_reference_p, mark_constant_function): New functions.
23165 * flow.c (life_analysis): Call mark_constant_function.
23166 * rtl.h (mark_constant_function): Declare it.
23168 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23170 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23171 unrecognisable switches.
23173 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23175 * loop.c (recombine_givs): Set ix field after sorting.
23176 (recombine_givs): Remove bogus index / giv lockstep looping.
23178 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23180 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23182 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23183 (do_cmp_and_jump): Formatting fixes.
23184 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23185 do_compare_rtx_and_jump instead of compare_from_rtx.
23186 (do_compare_rtx_and_jump): New function; mostly copied from
23188 (do_jump_for_compare): Delete.
23189 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23191 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23192 of compare/do_jump_for_compare pairs.
23193 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23194 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23195 compare_from_rtx/do_jump_for_compare pairs.
23196 (do_jump_by_parts_equality): Likewise.
23197 (do_jump_by_parts_equality_rtx): Likewise.
23198 * expr.h (do_compare_rtx_and_jump): Declare.
23199 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23200 that used to be in emit_cmp_insn.
23201 (cmp_available_p): New function.
23202 (prepare_operand): New function.
23203 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23204 to be in emit_cmp_insn.
23205 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23206 parameters to be pointers; don't emit final compare but modify some of
23207 the values pointed to by the args so the caller can perform the
23208 correct comparison.
23209 (expand_binop): Call emit_store_flag_force with signed forms of
23211 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23212 emit_jump_insn pair.
23213 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23214 emit_cmp_and_jump_insn_1. Call emit_queue.
23215 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23217 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23218 jump sets cc0 before deleting it.
23219 * integrate.c (expand_inline_function): Likewise.
23220 * unroll.c (unroll_loop): Similar changes in several places.
23221 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23222 before deleting it.
23224 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23226 * Makefile.in (insn-recog.o): Update dependencies.
23227 * genrecog.c (main): Make generated file include "function.h".
23229 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23231 * cse.c (cse_insn): Call never_reached_warning when a jump is
23232 changed to be unconditional.
23233 * flags.h: Declare warn_notreached.
23234 * flow.c (delete_block): Call never_reached_warning when
23235 a block is deleted.
23236 * jump.c (delete_barrier_successors): Call never_reached_warning
23237 when we delete everything after a BARRIER.
23238 (never_reached_warning): New function.
23239 * rtl.h: Declare never_reached_warning.
23240 * toplev.c (warn_notreached): New variable.
23241 (lang_independent_options): Set warn_notreached
23242 when -Wunreachable-code.
23243 (compile_file): We need line numbers for -Wunreachable-code.
23245 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23247 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23248 * sched.c (insn_unit): Likewise.
23250 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23252 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23254 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23256 * flow.c (create_edge_list): Use xmalloc, not malloc.
23258 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23260 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23261 C-style comments. Do not lose the character before double slash.
23263 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23265 * basic-block.h (struct edge_list): Stucture to maintain a vector
23267 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23268 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23269 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23270 New function prototypes.
23271 * flow.c (create_edge_list): Function to create an edge list.
23272 (free_edge_list): Discards memory used by an edge list.
23273 (print_edge_list): Debug output showing an edge list.
23274 (verify_edge_list): Internal consistency check for an edge list.
23275 (find_edge_index): Function to find an edge index for a pred and succ.
23277 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23279 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23282 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23284 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23286 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23288 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23290 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23292 * toplev.c (rest_of_compilation): Allow machine dependent
23293 reorganisation pass to place information into the RTL dump
23294 file if it so wishes.
23296 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23298 * explow.c (hard_function_value): Use VOIDmode instead of
23300 * stmt.c (expand_return): Likewise.
23301 * stor-layout.c (get_best_mode): Likewise.
23303 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23304 emit call instead of emit_insn call.
23306 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23308 * configure.in: Handle --disable/enable-win32-registry.
23309 * install.texi: Document --disable/enable-win32-registry.
23310 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23311 (WIN32_REGISTRY_KEY): New macro.
23312 * prefix.c: Use to enable/disable win32-specific code.
23313 (lookup_key): Use versioned key.
23314 * configure: Regenerate.
23315 * config.in: Likewise.
23317 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23319 * cpplib.c (read_line_number): New fn, split out of...
23322 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23324 tree.c (lang_unsave_expr_now) : New.
23325 (unsave_expr_now): Call lang_unsave_expr_now.
23326 tree.h (lang_unsave_expr_now) : New.
23328 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23330 * toplev.c (flag_new_exceptions): On by default.
23332 1999-08-13 Michael Meissner <meissner@cygnus.com>
23334 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23336 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23338 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23339 INTEGER_TYPE with precision==1, it's __java_boolean.
23341 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23343 * global.c (prune_preferences): Move some invariants out of the
23346 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23348 * configure.in (alpha*-dec-osf*): Add osf5.
23350 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23352 * configure.in: Rework handling of ARM GNU/Linux slightly.
23353 (arm*-*-linux-gnuoldld): New target.
23354 * configure: Regenerate.
23355 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23356 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23357 * config/arm/linux-oldld.h: New file.
23358 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23359 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23361 * config/arm/linux-elf.h (ASM_SPEC): Define.
23362 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23363 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23364 for 26-bit APCS and old linker.
23365 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23367 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23368 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23369 don't define `arm' or `arm_elf'.
23370 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23371 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23373 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23375 * rtl.texi: Fix typo.
23377 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23379 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23381 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23383 * extend.texi (C++ Signatures): Remove node.
23384 * invoke.texi: Remove discussion of -fhandle-signatures,
23385 signature, sigof, __signature__, and __sigof__.
23387 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23389 * Makefile.in (JAVAGC): Removed.
23391 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23393 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23395 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23397 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23399 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23401 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23402 a register that is already known to be a pointer.
23404 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23406 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23407 * fixinc/inclhack.sh: Regenerated.
23408 * fixinc/fixincl.sh: Regenerated.
23410 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23412 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23413 Fix documentation of -ansi flag to describe its C++ behavior.
23414 Remove bogus reference to GCC 2.9.
23416 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23418 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23419 note if it is non-NULL.
23421 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23423 * except.h (eh_nesting_info): Add new structure defintion.
23424 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23425 (reachable_handlers, update_rethrow_references): Add function
23427 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23428 a rethrow symbol instead of an integer exception region number.
23429 * flow.c (Make_edges): Use new exception nesting routines to determine
23430 which handlers are reachable from a CALL or asynchronous insn.
23431 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23433 (delete_eh_regions): Update rethrow labels, and don't delete
23434 regions which are the target of a rethrow.
23435 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23436 avoid overloading the SYMBOL_REF_USED flag.
23437 (rethrow_symbol_map): Use new rethrow_ref field.
23438 (rethrow_used): Use new rethrow_ref field.
23439 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23440 of an integer. Fix formatting.
23441 (output_exception_table_entry): Use new rethrow_ref field.
23442 (can_throw): Check for EH_REGION_NOTE before deciding
23443 whether a CALL can throw or not.
23444 (scan_region): Call rethrow_used() instead of accessing data structure.
23445 (update_rethrow_references): New function to make sure only regions
23446 which are still targets of a rethrow are flagged as such.
23447 (process_nestinfo): New static function to initialize a handler
23448 list for a specific region.
23449 (init_eh_nesting_info): New function to allocate and initialize
23450 the list of all EH handlers reachable from all regions.
23451 (reachable_handlers): New function to retrieve the list of handlers
23452 reachable from a specific region and insn.
23453 (free_eh_nesting_info): New function to dispose of a list of
23454 reachable handlers.
23456 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23458 * flow.c (split_edge): Set JUMP_LABEL field.
23459 (commit_one_edge_insertion): Set head correctly for insert_before.
23460 When inserting insns, update insn block numbers if allocated.
23462 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23464 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23465 retry_incomplete_types): Add static prototype.
23466 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23467 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23468 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23469 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23470 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23473 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23474 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23476 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23478 * output.h (assemble_name): Constify a char*.
23480 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23481 assemble_variable, assemble_name): Likewise.
23483 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23485 * arm/pe.c (arm_pe_unique_section): Likewise.
23487 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23489 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23491 * i386/interix.c (i386_pe_unique_section): Likewise.
23493 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23495 * i386/winnt.c (i386_pe_unique_section): Likewise.
23497 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23499 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23501 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23503 * pa/pa.c (output_call): Likewise.
23505 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23507 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23509 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23512 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23515 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23517 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23518 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23520 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23522 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23524 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23526 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23528 * tree.h (lang_identify): Constify a char*.
23529 (print_error_function): Add extern prototype. Constify a char*.
23531 * c-lang.c (lang_identify): Constify a char*.
23533 * objc/objc-act.c (lang_identify): Constify a char*.
23535 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23537 * genpeep.c (main): Make generated file include "function.h".
23538 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23540 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23542 * Makefile.in: Update dependencies.
23543 * alias.c: Include "function.h"
23544 * c-decl.c: Likewise.
23545 * caller-save.c: Likewise.
23546 * calls.c: Likewise.
23547 * combine.c: Likewise.
23549 * explow.c: Likewise.
23550 * final.c: Likewise.
23551 * global.c: Likewise.
23552 * graph.c: Likewise.
23553 * local-alloc.c: Likewise.
23554 * loop.c: Likewise.
23555 * optabs.c: Likewise.
23556 * profile.c: Likewise.
23557 * recog.c: Likewise.
23558 * regclass.c: Likewise.
23559 * regmove.c: Likewise.
23560 * reload.c: Likewise.
23561 * reorg.c: Likewise.
23562 * resource.c: Likewise.
23563 * sched.c: Likewise.
23564 * stupid.c: Likewise.
23565 * config/1750a/1750a.c: Likewise.
23566 * config/a29k/a29k.c: Likewise.
23567 * config/arc/arc.c: Likewise.
23568 * config/arm/arm.c: Likewise.
23569 * config/arm/thumb.c: Likewise.
23570 * config/c4x/c4x.c: Likewise.
23571 * config/clipper/clipper.c: Likewise.
23572 * config/convex/convex.c: Likewise.
23573 * config/fx80/fx80.c: Likewise.
23574 * config/i860/i860.c: Likewise.
23575 * config/m68k/m68k.c: Likewise.
23576 * config/m88k/m88k.c: Likewise.
23577 * config/mips/mips.c: Likewise.
23578 * config/pdp11/pdp11.c: Likewise.
23579 * config/pyr/pyr.c: Likewise.
23580 * config/romp/romp.c: Likewise.
23581 * config/sh/sh.c: Likewise.
23582 * config/tahoe/tahoe.c: Likewise.
23583 * config/vax/vax.c: Likewise.
23584 * config/we32k/we32k.c: Likewise.
23585 * config/sparc/sparc.c: Include "function.h".
23586 (mem_min_alignment): Test current_function rather than
23587 regno_pointer_align.
23588 * config/pa/pa.c: Likewise.
23589 (compute_frame_size): Delete declaration of
23590 current_function_outgoing_args_size.
23591 * config/arc/arc.h (current_function_varargs): Delete declaration.
23592 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23594 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23596 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23597 current_function_uses_pic_offset_table.
23598 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23599 of current_function_returns_pointer.
23600 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23601 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23602 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23603 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23604 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23605 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23606 * config/m88k/m88k.c: Include "function.h"
23607 (call_used_regs, current_function_pretend_args_size,
23608 current_function_outgoing_args_size, frame_pointer_needed): Delete
23610 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23612 * config/mips/mips.h (current_function_calls_alloca): Delete
23614 * config/mn10200/mn10200.h (current_function_needs_context,
23615 rtx_equal_function_value_matters): Delete declarations.
23616 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23617 flag_pic): Delete declarations.
23618 * config/pa/pa.h (current_function_pretend_args_size,
23619 current_function_decl): Delete declarations.
23620 * config/pa/som.h (current_function_varargs): Delete declaration.
23621 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23623 * config/pyr/pyr.h (current_function_pretend_args_size,
23624 current_function_args_size, current_function_calls_alloca): Delete
23626 * config/sh/sh.h (current_function_varargs): Delete declaration.
23627 * config/sparc/sparc.h (current_function_outgoing_args_size,
23628 current_function_calls_alloca, current_function_decl): Delete
23630 * config/spur/spur.h (current_function_pretend_args_size,
23631 current_function_calls_alloca): Delete declarations.
23632 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23634 * config/vax/vms.h (current_function_name): Delete declaration.
23635 * gcse.c: Include "function.h".
23636 (current_function_name, current_function_calls_setjmp): Delete
23638 * haifa-sched.c: Include "function.h".
23639 (forced_labels): Delete declaration.
23640 * jump.c: Likewise.
23641 * reg-stack.c: Likewise.
23642 * reload1.c: Likewise.
23643 * genemit.c (main): Make generated file include function.h.
23644 * genoutput.c (output_prologue): Likewise.
23646 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23647 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23648 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23649 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23650 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23651 macros for some of them.
23652 (emit_filename, emit_lineno): Delete declarations.
23653 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23654 regno_pointer_* variables through current_function.
23655 (gen_inline_header_rtx): Delete function.
23656 (save_emit_status): Delete function.
23657 (set_new_last_label_num): New function.
23658 (clear_emit_caches): New function.
23659 (restore_emit_status): Just clear last_labelnum and call
23661 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23662 through macro seq_stack.
23663 (add_insn_after): Likewise.
23664 (add_insn_before): Likewise.
23665 (remove_insn): Likewise.
23666 (pop_topmost_sequence): Likewise.
23667 (in_sequence_p): Likewise.
23668 (start_sequence_for_rtl_expr): Likewise.
23669 (start_sequence): Likewise, and likewise for
23670 sequence_rtl_expr/seq_rtl_expr.
23671 (push_topmost_sequence): Likewise.
23672 (end_sequence): Likewise.
23673 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23674 All callers changed. Store into that pointer instead of globals.
23675 (init_emit): Allocate emit elt of current_function.
23676 Changes for sequence_rtl_expr/sequence_stack renaming.
23677 Call clear_emit_caches instead of doing it in-line.
23678 Access regno_pointer_* variables through current_function.
23679 (init_emit_once) Don't clear sequence_stack.
23681 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23683 (arg_pointer_save_area): Delete declaration.
23684 (finish_expr_for_function): Renamed from init_queue; no longer static.
23685 (init_expr): Don't call init_queue.
23686 (save_expr_status, restore_expr_status): Delete functions.
23687 (expand_expr): Changes to reflect new layout of struct function.
23688 Don't access current_function_check_memory_usage when current_function
23690 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23691 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23692 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23693 current_function_uses_const_pool, function_call_count,
23694 current_function_uses_pic_offset_table, nonlocal_labels,
23695 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23696 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23697 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23699 (finish_expr_for_function): Declare.
23700 * flags.h (current_function_has_nonlocal_label,
23701 current_function_has_nonlocal_goto, current_function_is_thunk,
23702 current_function_has_computed_jump): Delete declarations.
23703 * flow.c (forced_labels): Delete declaration.
23704 * function.c (current_function_pops_args,
23705 current_function_returns_struct, current_function_returns_pcc_struct,
23706 current_function_needs_context, current_function_calls_setjmp,
23707 current_function_calls_longjmp, current_function_has_nonlocal_label,
23708 current_function_has_nonlocal_goto, current_function_is_thunk,
23709 current_function_has_computed_jump, current_function_calls_alloca,
23710 current_function_contains_functions, current_function_returns_pointer,
23711 current_function_epilogue_delay_list, current_function_args_size,
23712 current_function_pretend_args_size, current_function_arg_offset_rtx,
23713 current_function_outgoing_args_size, current_function_varargs,
23714 current_function_stdarg, current_function_args_info, cleanup_label,
23715 current_function_name, current_function_uses_const_pool,
23716 current_function_instrument_entry_exit, current_function_return_rtx,
23717 current_function_uses_pic_offset_table, nonlocal_labels,
23718 current_function_internal_arg_pointer, current_function_cannot_inline,
23719 current_function_check_memory_usage, function_call_count,
23720 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23721 nonlocal_goto_stack_level, return_label, save_expr_regs,
23722 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23723 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23724 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23725 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23726 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23728 (push_function_context_to): Don't save them. Don't call
23729 save_storage_status, save_emit_status or save_expr_status.
23730 (pop_function_context_from): Don't restore them. Don't call
23731 restore_storage_status or restore_expr_status.
23732 (get_func_frame_size): New function.
23733 (get_frame_size): Use it.
23734 (assign_outer_stack_local): Reflect some member name changes in struct
23736 (put_reg_into_stack): Likewise.
23737 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23739 (fixup_var_refs): Likewise.
23740 (fix_lexical_addr): Likewise.
23741 (trampoline_address): Likewise.
23742 (prepare_function_start): Clear field inlinable of current_function.
23743 (init_function_for_compilation): New function.
23744 (expand_dummy_function_end): New function.
23745 (expand_function_end): Call finish_expr_for_function.
23746 * function.h (struct emit_status): New; fields moved here from struct
23747 function and from global variables. Add accessor macros for some of
23749 (struct expr_status): Likewise.
23750 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23751 (struct function): Add fields expr and emit, inlinable, inl_emit,
23752 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23753 inl_max_label_num. Add many comments.
23754 Add accessor macros for all elts of struct function that no longer
23755 have a global variable.
23756 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23757 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23758 stack_slot_list): Delete declarations.
23759 (get_func_frame_size): Declare.
23760 (save_expr_status, restore_expr_status, save_emit_status,
23761 save_storage_status, restore_storage_status): Delete declarations.
23762 (init_virtual_regs): Declare.
23763 * output.h (current_function_pops_args,
23764 current_function_returns_struct, current_function_returns_pcc_struct,
23765 current_function_needs_context, current_function_calls_setjmp,
23766 current_function_calls_longjmp, current_function_calls_alloca,
23767 current_function_has_nonlocal_label, current_function_varargs,
23768 current_function_has_computed_jump, current_function_returns_pointer,
23769 current_function_contains_functions, current_function_args_size,
23770 current_function_pretend_args_size, current_function_stdarg,
23771 current_function_outgoing_args_size, current_function_args_info,
23772 current_function_name, current_function_return_rtx,
23773 current_function_epilogue_delay_list,
23774 current_function_uses_const_pool, current_function_cannot_inline):
23775 Delete declarations.
23776 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23777 regno_reg_rtx): Delete declaration.
23778 (REGNO_POINTER_FLAG): Delete macro.
23779 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23780 function were renamed.
23781 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23783 * toplev.c: Include "function.h".
23784 (current_function_decl): Delete declaration.
23785 (compile_file): Call init_dummy_function_start and
23786 expand_dummy_function_end around some initializations that need to
23788 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23789 Call init_function_for_compilation.
23790 * unroll.c: Include "function.h"
23791 (unroll_loop): Access regno_pointer_* variables through
23794 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23795 (DECL_SAVED_INSNS): use it.
23796 (expand_dummy_function_end): Declare.
23797 (init_function_for_compilation): Declare.
23798 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23799 that it's no longer an INLINE_HEADER.
23800 (expand_call): Likewise.
23801 * integrate.c (finish_inline): Delete function.
23802 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23803 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23804 args. Don't generate an INLINE_HEADER rtx, just return the arg
23805 vector. All callers changed.
23806 (save_for_inline_copying): Create a duplicate struct emit_status to
23807 hold the emit state for compiling the current function. Use this and
23808 the other new fields in struct function that are for integration
23809 instead of an INLINE_HEADER.
23810 Use memcpy instead of bcopy.
23811 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23812 (save_for_inline_nocopy): Similar changes, except no new emit_status
23814 (expand_inline_function): Get information from function structure,
23815 not from an inline header rtx.
23816 (output_inline_function): Lose code to extract the necessary
23817 information from an inline header; simply put back the function
23818 structure into current_function. Clear its inlinable elt.
23819 * rtl.def (INLINE_HEADER): Delete.
23820 * rtl.h: Delete all accessors for an INLINE_HEADER.
23821 (gen_inline_header_rtx): Delete declaration.
23822 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23823 Delete declarations.
23824 (REGNO_POINTER_ALIGN): Delete.
23825 (clear_emit_caches): Declare.
23826 (set_new_last_label_num): Declare.
23828 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23830 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23832 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23833 * stmt.c (is_eh_region): Make sure current_function is present, too.
23835 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23837 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23838 for 64bit PA targets.
23840 * pa.h (SELECT_SECTION): Define.
23841 * som.h (SELECT_SECTION): Delete.
23843 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23845 * alias.c (init_alias_analysis): Wrap call to
23846 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23848 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23850 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23851 <sys/asm.h> contains an asm comment with an apostrophe
23852 * fixinc/inclhack.sh: regen
23853 * fixinc/fixincl.x: regen
23855 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23857 * function.c (init_function_start): Clear prologue & epilogue.
23858 (prologue_epilogue_contains): New function.
23859 * alias.c (init_alias_analysis): Use it.
23860 * rtl.h (prologue_epilogue_contains): Declare it.
23862 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23864 * jump.c (onlyjump_p): New function.
23865 * rtl.h: Declare it.
23866 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23867 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23869 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23871 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23872 to invert loops. Simplify block scanning.
23874 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23876 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23877 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23879 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23881 * config/sparc/liteelf.h: New file to support sparclite-elf target
23882 * config/sparc/t-sp86x: New file to support sparc86x targets
23883 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23884 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23885 * configure.in: Support above target triplets
23886 * configure: Regenerated
23888 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23890 * fixinc/server.c (server_setup): Do not prefix function used as
23891 parameter with `&'.
23893 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23895 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23896 Remove fp reg alternatives.
23898 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23900 * Makefiin (TAROUTOPTS): Kill.
23901 (install-headers-tar): Use "xpf" for tar headerfile extraction
23902 * i370/x-oe (TAROUTOPTS): Delete.
23903 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23904 * m68k/x-hp320 (TAROUTOPTS): Delete.
23905 * m68k/x-hp320g (TAROUTOPTS): Delete.
23906 * gcc.texi: Update bug reporting text.
23908 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23910 * reg-stack.c (change_stack) Fixed problem with negative array index.
23912 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23914 * extend.texi, install.texi: Fix spelling mistakes.
23916 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23917 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23918 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23919 PREMADE_ATTRTAB_MD.
23920 * mips/t-ecoff: Likewise.
23921 * mips/t-elf: Likewise.
23922 * mips/t-mips: Likewise.
23923 * mips/t-osfrose: Likewise.
23924 * mips/t-r3900: Likewise.
23925 * mips/t-svr3: Likewise.
23926 * mips/t-svr4: Likewise.
23927 * mips/t-ultrix: Likewise.
23929 * gcc.texi: Document recommend means to provide software floating
23930 point libraries in libgcc.a
23932 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23934 * c-lex.c (yylex): We can have a number with no digits.
23936 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23938 * jump.c (delete_prior_computation): New function, broken
23939 out of delete_computation. Check for side effects with
23940 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23941 multi-word hard registers.
23942 (delete_computation): Use it. Check for side effects with
23943 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23944 missing REG_DEAD note for a register which is both set and
23947 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23949 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23950 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23951 (ASM_FILE_START): Import _mcount with the right type.
23952 (ASM_DECLARE_FUNCTION_NAME): Define.
23953 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23954 * pa.c (output_function_prologue): Always emit the function's label
23956 * pa.h (TEXT_SPACE_P): Define.
23957 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23958 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23959 * som.h (TEXT_SPACE_P): Delete.
23960 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23961 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23963 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23965 * expr.c (emit_group_load): Allow src to be a CONCAT.
23967 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23969 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23970 (___mulsi3): Use '!' comment character.
23972 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23974 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23976 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23978 * gcc.c: Update URLs and mail addresses.
23979 * gcc.texi: Likewise.
23981 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23983 * rs6000.c (current_file_function_operand): Return zero for
23985 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23987 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23990 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23992 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23993 allocate space in the stack frame for the PIC register.
23995 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23997 * m68k.md (xordi3, anddi3): These patterns are not available on
24000 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
24002 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
24003 (PUT_REAL): Likewise.
24005 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24007 * final.c (shorten_branches): Don't add an alignment for loops
24008 that have no label inside.
24010 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24012 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
24013 prototypes in macro HAVE_cmpstrsi.
24015 * cpplib.c (cpp_get_token): Remove unused label `op3'.
24017 * emit-rtl.c (operand_subword): Remove unused variable
24020 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
24022 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
24024 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
24026 * cpphash.c (macroexpand): Delete leading whitespace when arg
24027 is concatenated before.
24028 (unsafe_chars): Correct test for whether + and - can extend a
24031 * cppinit.c (cpp_start_read): Do dependencies for
24032 -include/-imacros files also.
24034 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
24035 tokenizing non-directive lines.
24036 (cpp_expand_to_buffer): Temporarily disable no-output mode.
24037 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
24040 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24042 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
24044 * c-lex.c: Sync with C++ frontend.
24045 (linemode): New variable.
24046 (parse_float): imag, conversion_errno, and type are output only.
24047 (yylex): Adjust. Move initial '.' case into main switch.
24049 (handle_generic_pragma): Just deal with tokens.
24050 (readescape): Use ISXDIGIT and ISGRAPH.
24051 * c-parse.in: Add END_OF_LINE token.
24053 * c-lex.c (lang_init): Generalize.
24054 (nextchar): Remove. Replace uses with UNGETC.
24055 (skip_white_space): Handle linemode here. Optimize for cpplib.
24056 (skip_white_space_on_line): Remove.
24057 (extend_token_buffer_to): New fn.
24058 (extend_token_buffer): Use it.
24059 (read_line_number, check_newline): Just deal with tokens.
24060 (token_getch, token_put_back): New fns.
24061 (yylex): Use them. More cpplib optimizations. Simplify.
24063 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24064 Jason Merrill <jason@yorick.cygnus.com>
24066 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24067 (consume_string): Make this smart about USE_CPPLIB.
24068 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24069 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24070 Also, clean up cases where we redundantly set token_buffer[0].
24071 (read_line_number): New fn.
24072 (ignore_escape_flag): New variable.
24074 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24076 * a29k/t-a29kbare: Fix some comments.
24077 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24078 (FPBIT, DPBIT): Define.
24079 * a29k/t-vx29k: Likewise.
24080 * arc/t-arc: Likewise.
24081 * arm/t-arm-elf: Likewise.
24082 * arm/t-bare: Likewise.
24083 * arm/t-pe: Likewise.
24084 * arm/t-pe-thumb: Likewise.
24085 * arm/t-semi: Likewise.
24086 * arm/t-thumb: Likewise.
24087 * arm/t-thumb-elf: Likewise.
24088 * arm/t-thumb-linux: Likewise.
24089 * h8300/t-h8300: Likewise.
24090 * i960/t-i960: Likewise.
24091 * i960/t-vxworks960: Likewise.
24092 * m32r/t-m32r: Likewise.
24093 * mips/t-ecoff: Likewise.
24094 * mips/t-elf: Likewise.
24095 * mips/t-r3900: Likewise.
24096 * pa/t-pro: Likewise.
24097 * rs6000/t-aix43: Likewise.
24098 * rs6000/t-beos: Likewise.
24099 * rs6000/t-newas: Likewise.
24100 * rs6000/t-ppccomm: Likewise.
24101 * rs6000/t-rs6000: Likewise.
24102 * rs6000/t-winnt: Likewise.
24103 * rs6000/t-xnewas: Likewise.
24104 * rs6000/t-xrs6000: Likewise.
24105 * sh/t-sh: Likewise.
24106 * sparc/t-elf: Likewise.
24107 * sparc/t-sparcbare: Likewise.
24108 * sparc/t-sparclite: Likewise.
24109 * sparc/t-splet: Likewise.
24110 * v850/t-v850: Likewise.
24111 * mn10200/t-mn10200: Fix comments.
24112 * mn10300/t-mn10300: Likewise.
24114 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24115 dummy operand. Allocate a new pseudo for the dummy operand.
24116 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24118 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24120 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24122 * configure: Rebuilt.
24123 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24125 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24127 * recog.c (preproces_constraints): Zero recog_op_alt before
24128 processing the constraints.
24130 * arm.c (typedef minipool_node): Renamed from pool_node.
24131 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24132 (add_minipool_constant): New function.
24133 (dump_minipool): New function.
24134 (find_barrier): Remove special case for getting the insn size of
24135 an insn that references the constant pool.
24136 (minipool_fixup): New structure.
24137 (push_minipool_barrier): New function.
24138 (push_minipool_fix): New function.
24139 (note_invalid_constants): New function.
24140 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24141 (arm_reorg): Rewrite code to fix up the constant pool into a
24142 series of mini-pools embedded in the insn stream.
24143 (arm_output_epilogue): New function, made mainly from the body
24144 of output_func_epilogue.
24145 (output_func_epilogue): Move insn generation part of epilogue code
24146 to arm_output_epilogue.
24147 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24148 * arm.md (pool_range): New attribute.
24149 (zero_extendqidi2): Add attribute pool_range.
24150 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24151 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24152 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24153 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24154 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24155 (epilogue): New expand.
24156 (epilogue_insn): New insn. Call arm_output_epilogue.
24158 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24159 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24161 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24163 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24165 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24167 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24169 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24171 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24173 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24175 * global.c: Fix comment.
24177 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24179 * gcc.c (access_check): New static function.
24180 (find_a_file): Use it when searching a directory list.
24181 * collect2.c (find_a_file): Don't accept directories found when
24182 searching a directory list.
24184 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24186 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24187 function parameters with `&'.
24188 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24190 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24192 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24193 or tidy_fallthru_edge if the last insn in the block is not
24194 an unconditional jump or a simple conditional jump.
24196 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24198 * Makefile.in (c-decl.o): Depends on defaults.h.
24200 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24202 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24204 (CLASS_MAX_NREGS): Likewise.
24206 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24208 * cse.c (cse_insn): Fix dumb thinko in last change.
24210 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24212 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24215 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24217 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24218 test for sizes of passed and declared parameter types.
24220 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24222 * fixincludes: Fix the return type of bsearch, char* -> void*.
24224 * fixinc/inclhack.def: Likewise.
24226 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24228 * invoke.texi (-fdump-translation-unit): New option.
24230 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24232 * expr.h (PROMOTE_PROTOTYPES): Move ...
24233 * defaults.h: ... to here.
24234 * c-decl.c: Include defaults.h instead of expr.h.
24235 * c-typeck.c: Include defaults.h.
24237 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24239 * toplev.h (errorcount): Declare.
24240 (warningcount): Likewise.
24241 (sorrycount): Likewise.
24242 * c-lex.c (errorcount): Don't declare.
24243 * dwarf2out.c (errorcount): Don't declare.
24245 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24247 * config/libgloss.h: Add a note discouraging use with ELF.
24248 * configure.in: Don't use libgloss.h for ELF targets.
24249 Always use_collect2 on a.out targets.
24251 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24253 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24254 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24256 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24258 * loop.c (strength_reduce): When doing biv->giv conversion, update
24259 reg note of NEXT->insn.
24261 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24263 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24265 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24267 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24268 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24269 Ensure expr.h is included.
24270 * c-typecheck.c (convert_arguments): Ditto.
24272 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24274 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24275 * config/convex/convex.h: Ditto.
24276 * config/dsp16xx/dsp16xx.h: Ditto.
24277 * config/fx80/fx80.h: Ditto.
24278 * config/gmicro/gmicro.h: Ditto.
24279 * config/i370/i370.h: Ditto.
24280 * config/i386/i386.h: Ditto.
24281 * config/m32r/m32r.h: Ditto.
24282 * config/m68k/m68k.h: Ditto.
24283 * config/m88k/m88k.h: Ditto.
24284 * config/mips/mips.h: Ditto.
24285 * config/pa/pa.h: Ditto.
24286 * config/pyr/pyr.h: Ditto.
24287 * config/tahoe/tahoe.h: Ditto.
24288 * config/we32k/we32k.h: Ditto.
24290 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24291 based on arch size.
24293 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24295 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24298 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24300 1999-08-02 Richard Henderson <rth@cygnus.com>
24302 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24303 for the register spill block.
24304 (m32r_va_arg): New.
24305 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24306 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24308 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24309 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24310 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24312 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24314 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24315 MAX_WCHAR_TYPE defined in sparc.h.
24316 * config/sparc/linuxaout.h: Likewise.
24317 * config/sparc/linux64.h: Likewise.
24318 Also default to -mvis if CPU is UltraSPARC.
24320 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24322 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24323 (RTX_OK_FOR_OLO10): Likewise.
24324 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24325 %lo(), allow it in addresses...
24326 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24327 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24328 does not make sense.
24329 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24330 (sparc_output_scratch_registers): New function.
24331 (output_function_prologue, sparc_flat_output_function_prologue): Use
24333 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24335 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24336 * configure.in: Add check for .register pseudo-op support in as and
24337 check for offsetable %lo().
24338 * acconfig.h: Add templates for the above checks.
24339 * configure: Regenerate.
24341 1999-08-02 Richard Henderson <rth@cygnus.com>
24343 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24344 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24345 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24347 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24349 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24352 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24354 * config/float-sparc.h: New file.
24355 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24356 sparc-*-linux-gnu and sparc64-*-linux*.
24358 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24360 * rs6000.c (rs6000_va_list): Type is an array.
24361 (rs6000_va_start): Don't doubly adjust for varargs.
24362 (rs6000_va_arg): Evaluate long long GPR adjustment.
24364 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24366 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24367 -maix64 and -maix32.
24368 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24369 LINK_SPEC): Change appropriately.
24370 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24371 (u_short_cint_operand): Likewise.
24372 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24374 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24376 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24378 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24380 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24381 for type promotion.
24382 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24383 (non_add_cint_operand): Likewise.
24384 (logical_operand): Likewise.
24385 (non_logical_cint_operand): Likewise.
24386 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24387 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24388 (rs6000_select_rtx_section): Suppress warning.
24389 (small_data_operand): Suppress warning.
24390 (rs6000_got_register): Suppress warning.
24391 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24392 type, so `J' is generally the wrong constraint for a SImode value;
24394 (andsi3_internal2): Likewise.
24395 (andsi3_internal3): Likewise.
24396 (iorsi3_internal1): Likewise.
24397 (xorsi3_internal1): Likewise.
24399 (movsf_softfloat): Likewise.
24400 (scc insns): Likewise.
24401 (movsi+2): Preserve sign bits of SImode constant.
24402 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24403 (movdf+1): Sign-extend properly.
24404 (movdi_32+1): Sign-extend properly.
24405 (scc insns): Sign-extend properly.
24407 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24410 1999-08-02 Richard Henderson <rth@cygnus.com>
24412 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24413 -mcpu parsing code.
24414 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24415 * alpha.md (all fp insns): Likewise.
24417 1999-08-02 Nick Clifton <nickc@cygnus.com>
24419 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24422 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24424 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24425 pic_load_label generator directly.
24426 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24427 No longer a named pattern.
24429 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24431 * explow.c (force_reg): Call force_operand if X does not
24432 satisfy general_operand.
24434 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24436 * fix-header.c (main): When testing for CONTINUED, use string
24437 equality, not pointer equality.
24439 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24441 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24443 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24445 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24446 that has become an unconditional jump.
24448 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24449 (output_function_epilogue): Similarly.
24451 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24453 * tree.h (init_dummy_function_start): Declare.
24455 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24457 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24458 last_expr_type, last_expr_value, block_start_count, block_stack,
24459 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24460 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24461 dynamically in stmt elt of struct function for each function.
24462 (struct nesting): Rename function_call_count elt to n_function_calls,
24463 target_temp_slot_level to block_target_temp_slot_level. All users
24465 (struct stmt_status): New structure definition.
24466 Add many accessor macros for stmt_status elements which previously
24467 were global variables.
24468 (init_stmt_for_function): Allocate stmt elt for current_function.
24469 Reflect that block_start_count was renamed to
24470 current_block_start_count.
24471 (save_stmt_status, restore_stmt_status): Delete functions.
24472 (preserve_subexpressions_p): Don't access loop_stack when outside
24474 (expand_start_bindings): Reflect that block_start_count was renamed to
24475 current_block_start_count.
24476 (expand_fixup): Likewise.
24477 (expand_decl): Don't access block_stack when outside a function.
24478 (expand_decl_cleanup): Likewise.
24479 (expand_dcc_cleanup): Likewise.
24480 (expand_dhc_cleanup): Likewise.
24481 (expand_anon_union_decl): Likewise.
24482 (set_file_and_line_for_stmt): New function.
24483 (in_control_zone_p): New function.
24485 * function.h (struct function): Add new elt stmt.
24486 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24487 case_stack, nesting_stack, nesting_depth, block_start_count,
24488 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24489 emit_lineno, goto_fixup_chain.
24490 (save_eh_status, restore_eh_status, save_stmt_status,
24491 restore_stmt_status): Delete declarations.
24492 * function.c (push_function_context_to): Don't call save_stmt_status.
24493 (pop_function_context_to): Don't call restore_stmt_status.
24494 * tree.h (in_control_zone_p): Declare.
24495 * rtl.h (set_file_and_line_for_stmt): Declare.
24497 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24498 call set_file_and_line_for_stmt.
24500 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24502 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24503 Also update copyright.
24505 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24507 * c-pragma.c: Don't include "except.h".
24508 * emit-rtl.c: Likewise.
24509 * stor-layout.c: Likewise.
24510 * tree.c: Likewise.
24511 * varasm.c: Likewise.
24513 * flow.c: Include "function.h".
24514 * tree.h (init_dummy_function_start): Declare new function.
24516 * except.h (struct eh_status): New structure.
24517 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24519 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24520 catch_clauses, false_label_stack, caught_return_label_stack,
24521 protect_list, current_function_ehc): Add accessor macros for the
24522 corresponding fields in current_function->eh; delete declarations
24523 for all items that used to be declared here.
24524 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24525 catch_clauses, false_label_stack, caught_return_label_stack,
24526 protect_list, current_function_ehc): Delete variables.
24527 (init_eh_for_function): Allocate current_function->eh.
24528 (save_eh_status, restore_eh_status): Delete functions.
24530 * function.h (struct function): Add fields next_global and eh.
24531 Delete all exception handling related fields.
24532 * function.c (current_function): New variable.
24533 (all_functions): New variable.
24534 (push_function_context_to): Don't allocate a struct function,
24535 use current_function instead. Call init_dummy_function_start when
24536 outside a function. Clear current_function before returning.
24537 (pop_function_context_from): Restore current_function.
24538 Don't free the restored struct function.
24539 (prepare_function_start): New function.
24540 (init_dummy_function_start): New function.
24541 (init_function_start): Break out some code into prepare_function_start
24544 * stmt.c (save_stmt_status): Don't call save_eh_status.
24545 (restore_stmt_status): Don't call restore_eh_status.
24547 * Makefile.in: Update dependencies.
24549 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24551 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24552 of depending on a magic constant value. Update comments.
24553 (hppa_expand_prologue): Similarly.
24555 * pa.md (reload_indi, reload_outdi): Allow any register for the
24556 original reload register.
24558 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24560 * cccp.c (print_help): Change marcos to macros.
24562 1999-07-30 Richard Henderson <rth@cygnus.com>
24564 * c-typeck.c (initializer_constant_valid_p): Move ...
24565 * c-common.c (initializer_constant_valid_p): ... here. Use
24566 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24567 of label addresses.
24568 * c-common.h (initializer_constant_valid_p): Declare.
24569 * c-tree.h (initializer_constant_valid_p): Remove.
24571 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24573 * config/i386/sol2-c1.asm: Align the stack.
24574 * config/i386/sol2-gc1.asm: Likewise.
24576 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24578 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24579 -Asparclite for sparc86x.
24580 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24582 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24584 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24586 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24587 the user if using the non-default arch size in BI_ARCH configuration.
24588 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24590 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24591 Fix patterns so that they actually match.
24592 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24593 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24594 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24596 (mulsidi3): Reflect this in the expand.
24597 (smulsi3_highpart): Only on TARGET_ARCH32.
24598 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24599 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24600 (umulsidi3): Reflect this in the expand.
24601 (umulsi3_highpart): Only on TARGET_ARCH32.
24602 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24603 don't require g0 to be zero.
24604 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24605 ({,u}divsi3): New expands.
24606 ({,u}divsi3_sp64): New patterns.
24607 (after lshrdi3_v8plus): Four new patterns to help combiner
24608 optimizing nested mixed mode shifts.
24610 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24611 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24612 speed things up. Don't use them by default on plain v9 in 64bit
24613 mode, according to what SPAMv9 sais.
24615 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24616 top 32 bits of %[og][0-7] in signal handlers.
24617 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24619 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24621 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24622 (ashlsi3): Corresponding changes.
24624 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24626 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24628 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24630 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24632 * arm.h (Hint): Delete macro.
24633 Substitute HOST_WIDE_INT for Hint in some prototypes.
24634 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24636 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24638 * builtins.c (expand_builtin_setjmp): Use force_operand to
24639 make sure that the buffer address is in a suitable form to be
24640 passed to force_reg.
24642 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24644 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24647 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24649 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24650 proper mode in the condition string.
24651 (icacheflush, dcacheflush): Remove modes from match_operands.
24653 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24654 proper mode before using it.
24656 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24659 * pa.c (store_reg): Do not call add_high_const generator directly.
24660 (load_reg, set_reg_plus_d): Likewise.
24661 * pa.md (add_high_const): No longer a named pattern.
24663 * pa.c (legitimize_address): Consistently use Pmode rather than
24664 SImode. Do not call gen_pic2_highpart directly anymore.
24665 * pa.md (pic2_highpart): No longer a named pattern.
24666 (pic2_lo_sum): Similarly. Reformat to make more readable.
24668 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24673 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24675 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24677 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24679 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24680 and tag the spill mems.
24681 (hppa_va_start): New.
24682 (hppa_va_arg): New.
24683 * pa.h (EXPAND_BUILTIN_VA_START): New.
24684 (EXPAND_BUILTIN_VA_ARG): New.
24686 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24688 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24689 and tag the spill mems.
24690 (mn10300_va_start): New.
24691 (mn10300_va_arg): New.
24692 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24693 (EXPAND_BUILTIN_VA_ARG): New.
24695 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24697 * mn10200.c (mn10200_va_arg): New.
24698 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24700 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24702 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24703 rather than play with TREE_INT_CST_LOW.
24705 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24707 * config/arm/telf.h: Include dbxelf.h.
24708 (CPP_PREDEFINES): Only define if not already defined.
24709 (ASM_IDENTIFY_GCC): Likewise.
24710 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24711 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24712 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24714 (DBX_DEBUGGING_INFO): Don't define.
24715 * config/arm/linux-telf.h: New file.
24716 * config/arm/linux-tgas.h: New file.
24717 * config/arm/t-thumb-linux: New file.
24718 * config/arm/uclinux-elf.h: New file.
24719 * config/arm/uclinux-telf.h: New file.
24720 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24721 thumb-*-uclinux): New targets.
24722 * configure: Regenerate.
24724 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24726 * pa.md (post_store, pre_load): New expanders.
24727 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24728 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24729 need to directly generate RTL for them.
24730 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24733 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24735 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24736 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24737 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24738 (secndary_reload_class): Make TARGET_ELF conditional compile.
24739 (print_operand_address): Similar.
24740 (output_toc): Print all values as hex.
24741 (get_issue_rate): Rearrange and add RS64A and PPC630.
24742 * rs6000.h (processor_type): Add RS64A and PPC630.
24743 (PROCESSOR_POWERPC64): New.
24744 (PROMOTE_MODE): Use word_mode.
24745 (RTX_COSTS): Add RS64A and PPC630.
24746 * rs6000.md (scheduling information): Add lmul and ldiv
24747 representing 64-bit integer multiply and divide. Add rs64a and
24748 PPC630 information.
24749 (ashldi3): Add support for "rldic" instruction.
24750 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24752 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24754 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24755 instead of V8 for sparclite86x in cpu_table.
24757 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24759 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24760 output_file_directive.
24762 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24764 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24765 tree for op1, not the rtl.
24767 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24769 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24770 to m88k_va_start, leaving only the register spill.
24771 (m88k_build_va_list): New.
24772 (m88k_va_start): New.
24773 (m88k_va_arg): New.
24774 * m88k.h (BUILD_VA_LIST_TYPE): New.
24775 (EXPAND_BUILTIN_VA_START): New.
24776 (EXPAND_BUILTIN_VA_ARG): New.
24778 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24780 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24781 Rename from expand_builtin_saveregs.
24782 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24784 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24786 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24787 for the register spill block.
24788 (i960_build_va_list): New.
24789 (i960_va_start): New.
24790 (i960_va_arg): New.
24791 * i960.h (BUILD_VA_LIST_TYPE): New.
24792 (EXPAND_BUILTIN_VA_START): New.
24793 (EXPAND_BUILTIN_VA_ARG): New.
24794 * i960.md (store_multiple): Use change_address on individul mems.
24796 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24798 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24800 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24801 (expand_builtin_va_end): Evaluate arg for side effects.
24802 * c-common.c (c_common_nodes_and_builtins): Construct a
24803 va_list_arg_type_node to handle array decomposition to pointer.
24805 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24807 * except.c (st_dynamic_cleanup): Use force_operand on the
24810 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24812 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24813 * c4x.c (c4x_va_arg): New.
24815 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24817 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24818 has manual_pop set.
24820 1999-07-26 Nathan Sidwell <nathan@acm.org>
24822 * eh-common.h (__eh_matcher): Prototype correctly.
24824 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24826 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24827 (TARGET_SINGLE_PIC_BASE): Likewise.
24828 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24830 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24831 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24832 (TARGET_OPTIONS): Add -mpic-register=N.
24833 (OUTPUT_INT_ADDR_CONST): New macro.
24834 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24835 LEGITIMATE_PIC_OPERAND_P): Likewise.
24836 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24837 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24838 output_addr_const directly.
24839 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24841 (thumb_pic_register, thumb_pic_register_string): Declare.
24843 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24845 (label_mentioned_p): New function: Imported from arm.c.
24846 (legitimize_pic_address): New function: Imported from arm.c.
24847 (is_pic):New function: Imported from arm.c.
24848 (thumb_finalize_pic):New function: Imported from arm.c.
24849 (add_constant): Cope with PIC constants.
24850 (fixit): Cope with PIC constants.
24851 (output_return): Do not treat the PIC register as live if
24852 TARGET_SINGLE_PIC_BASE is true.
24853 (thumb_function_prologue): Do not treat the PIC register as live if
24854 TARGET_SINGLE_PIC_BASE is true.
24855 (thumb_expand_prologue): Do not treat the PIC register as live if
24856 TARGET_SINGLE_PIC_BASE is true.
24857 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24858 TARGET_SINGLE_PIC_BASE is true.
24859 (thumb_print_operand): Accept '|'.
24860 (thumb_override_options): Process PIC options.
24862 * config/arm/thumb.md (movsi): Support PIC.
24863 (call_insn): Change "i" constraint to "X".
24864 (call_value_insn): Likewise.
24865 (consttable_4, consttable_8, consttable_end): Set and clear
24866 "making_const_table" as appropriate.
24867 (pic_load_addr, pic_add_dot_plus_four): New insns.
24869 * invoke.texi (Thumb Options): Fix spelling. Document new
24870 options -msingle-pic-base and -mpic-register=.
24872 1999-07-26 Andrew Haley <aph@cygnus.com>
24874 * config/m32r/initfini.c (__init): Use a full word immediate for
24875 __fini: this allows it to be placed in any memory region.
24877 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24878 -mmodel=medium. This is OK for all memory models.
24880 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24882 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24883 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24885 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24887 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24890 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24892 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24894 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24895 (BUILD_VA_LIST_TYPE): New.
24896 (EXPAND_BUILTIN_VA_START): New.
24897 (EXPAND_BUILTIN_VA_ARG): New.
24898 * i860.c (output_delayed_branch): Disable.
24899 (output_delay_insn): Likewise.
24900 (i860_saveregs): New.
24901 (i860_build_va_list): New.
24902 (i860_va_start): New.
24903 (i860_va_arg): New.
24904 * i860.md: Disable all peepholes using output_delayed_branch.
24905 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24907 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24909 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24910 (BUILD_VA_LIST_TYPE): New.
24911 (EXPAND_BUILTIN_VA_START): New.
24912 (EXPAND_BUILTIN_VA_ARG): New.
24913 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24914 Return the address of the save area.
24915 (clipper_build_va_list): New.
24916 (clipper_va_start): New.
24917 (clipper_va_arg): New.
24919 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24921 * arc.h (EXPAND_BUILTIN_VA_START): New.
24922 (EXPAND_BUILTIN_VA_ARG): New.
24923 * arc.c (arc_setup_incoming_varargs): Set alias set of
24925 (arc_va_start): New.
24928 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24930 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24931 (BUILD_VA_LIST_TYPE): New.
24932 (EXPAND_BUILTIN_VA_START): New.
24933 (EXPAND_BUILTIN_VA_ARG): New.
24934 * alpha.c (alpha_builtin_saveregs): Delete.
24935 (alpha_build_va_list): New.
24936 (alpha_va_start): New.
24937 (alpha_va_arg): New.
24939 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24941 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24943 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24944 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24946 * gcc.texi: More changes related to list conversion.
24947 * invoke.texi: Likewise.
24949 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24951 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24952 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24953 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24954 (stabilize_va_list): New function.
24955 (std_expand_builtin_va_start): New function.
24956 (expand_builtin_va_start): New function.
24957 (get_varargs_alias_set): New function.
24958 (std_expand_builtin_va_arg): New function.
24959 (expand_builtin_va_arg): New function.
24960 (expand_builtin_va_end): New function.
24961 (expand_builtin_va_copy): New function.
24962 (expand_builtin): Call them.
24963 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24964 __builtin_{varargs_start,stdarg_start,end,copy}.
24965 (build_va_arg): New function.
24966 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24967 (build_va_arg): Declare.
24968 * c-decl.c (ptr_type_node, va_list_type_node): New.
24969 * c-parse.gperf (__builtin_va_arg): New.
24970 * c-parse.in (VA_ARG): New token.
24971 (unary_expr): Recognize it.
24972 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24973 * expr.h (std_expand_builtin_va_start): Declare.
24974 (std_expand_builtin_va_arg): Declare.
24975 (expand_builtin_va_arg): Declare.
24976 (get_varargs_alias_set): Declare.
24977 * tree.def (VA_ARG_EXPR): New.
24978 * tree.h (BUILT_IN_VARARGS_START): New.
24979 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24980 (ptr_type_node, va_list_type_node): Declare.
24981 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24982 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24983 * m88k.h, m88k.c: Likewise.
24984 * mn10300.h, mn10300.c: Likewise.
24985 * pa.h, pa.c: Likewise.
24986 * rs6000.h, rs6000.c: Likewise.
24987 * sh.h, sh.c: Likewise.
24988 * sparc.h, sparc.c: Likewise.
24990 * emit-rtl.c (operand_subword): Copy alias set.
24991 (change_address): Likewise.
24993 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24995 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24996 not just the first one.
24998 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
25000 * config/arm/arm.h (TARGET_SWITCHES): Add
25001 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
25002 (TARGET_OPTIONS): Add -mpic-register=.
25003 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
25004 (arm_pic_register_string): Declare.
25005 (NEED_PLT_GOT): Delete, replace with ...
25006 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
25007 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
25008 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
25009 * config/arm/arm.c (arm_override_options): Add new option
25011 (arm_pic_register_string): New variable.
25012 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
25013 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
25014 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
25015 (output_return_instruction): Likewise.
25016 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
25017 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
25018 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
25020 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
25021 mention of -msched-prolog. Document new options -msingle-pic-base
25022 and -mpic-register=.
25024 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
25026 * haifa-sched.c (reemit_notes): Tidy.
25027 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
25030 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
25032 * explow.c (trunc_int_for_mode): New function.
25033 (plus_constant_wide): Use it.
25034 * combine.c (simplify_and_const_int): Likewise.
25035 (merge_outer_ops): Likewise.
25036 (simplify_shift_const): Likewise.
25037 * cse.c (simplify_unary_operation): Likewise.
25038 (simplify_binary_operation): Likewise.
25039 * emit-rtl.c (operand_subword): Likewise.
25040 * rtl.h: Declare it.
25042 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25044 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
25045 (use NUM_REGS instead of NUM_INTS).
25047 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25049 * builtins.c: New file.
25050 * expr.c (saveregs_value, apply_args_value): Delete definition,
25051 moved into builtins.c.
25052 (string_constant): No longer static.
25053 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25054 apply_args_size, apply_result_size, result_vector,
25055 expand_builtin_apply_args, expand_builtin_apply,
25056 expand_builtin_return): Delete functions, moved into builtins.c.
25057 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25058 * expr.h (saveregs_value, apply_args_value): Declare variables.
25059 (expand_builtin, string_constant): Declare functions.
25060 * Makefile.in: Update to build builtin.o.
25062 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25064 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25065 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25066 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25067 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25069 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25072 1999-07-21 Michael Meissner <meissner@cygnus.com>
25074 * print-rtl.c (print_rtx): Print the names of the virtual
25077 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25079 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25080 introduced in previous delta.
25082 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25084 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25085 to avoid name clash.
25087 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25089 * c-lex.c (yylex) : Correct the test for overflow when lexing
25092 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25094 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25095 (adjust_priority): Always call ADJUST_PRIORITY.
25096 (schedule_insn): Only put insns into the ready at cost 0.
25097 (schedule_block): Remove redundant initial sort. Give clock_var
25098 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25100 * tm.texi (MD_SCHED_REORDER): Update docs.
25102 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25103 * sparc.c (ultra_reorder_called_this_block): Delete.
25104 (ultrasparc_sched_init): Don't set it.
25105 (ultrasparc_sched_reorder): Don't check it.
25107 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25109 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25110 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25111 (function_arg_boundary): Align DFmode.
25112 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25113 to get fp reg and stack overflow correct.
25114 (function_arg): Likewise.
25115 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25116 (setup_incoming_varargs): Restructure for ABI_V4; use
25117 function_arg_advance to skip final named argument.
25118 (expand_builtin_saveregs): Properly unskip the last integer arg
25119 when doing varargs. Adjust overflow location calculation.
25121 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25122 explicitly unsigned.
25123 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25124 (__VA_GP_REGSAVE): Similarly.
25125 (__va_longlong_p): Delete.
25126 (__va_arg_type_violation): New declaration.
25127 (va_arg): Restructure. Flag promotion errors. Align double.
25128 TFmode passed by reference.
25130 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25131 in the HOST_BITS_PER_WIDE_INT > 32 case.
25133 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25135 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25137 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25139 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25140 * toplev.c (documented_lang_options): Add -fpreprocessed.
25141 * cpplib.h (struct cpp_buffer): Add preprocessed.
25142 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25143 (cpp_start_read): Don't expand macros or emit an initial #line
25144 directive if -fpreprocessed.
25146 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25148 * cpplib.h (struct cpp_buffer): Added manual_pop for
25149 better C++ tokenization.
25150 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25151 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25152 * c-common.c (cpp_token): Make non-static.
25154 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25156 * c-common.h: New file.
25157 * c-common.c (permanent_obstack): Delete unused declaration.
25158 (c_global_trees): New array.
25159 (c_common_nodes_and_builtins): New function; split off common code
25160 from init_decl_processing in both c-decl.c and cp/decl.c.
25161 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25162 c_global_trees and accessor macros defined in c-common.h.
25163 Include c-common.h.
25164 * c-decl.c: Delete definitions for tree nodes that were replaced by
25166 (init_decl_processing): Build void_list_node.
25167 Call c_common_nodes_and_builtins; delete code to generate the common
25169 * objc/objc-act.c (build_module_descriptor): Rename variable
25170 void_list_node to avoid clash with c-common.h.
25172 * Makefile.in: Update dependencies.
25173 * objc/Make-lang.in: Likewise.
25175 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25177 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25178 (UNIQUE_SECTION_P): Likewise.
25179 (UNIQUE_SECTION): Likewise.
25181 1999-07-19 Linas Vepstas <linas@linas.org>
25183 * config/i370/README: New file.
25184 * config/i370/linux.h: New file.
25185 * config/i370/mvs.h: New file.
25186 * config/i370/oe.h: New file.
25187 * config/i370/t-linux: New file.
25188 * config/i370/t-mvs: New file.
25189 * config/i370/t-oe: New file.
25190 * config/i370/x-oe: New file.
25191 * config/i370/xm-linux.h: New file.
25192 * config/i370/xm-mvs.h: New file.
25193 * config/i370/xm-oe.h: New file.
25195 * i370.c (label_node_t): Add first_ref_page, label_addr,
25196 label_first_ref, label_last_ref members.
25197 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25198 (MAX_MVS_LABEL_SIZE): Define.
25199 (MAX_LONG_LABEL_SIZE): Define.
25200 (alias_node_t, alias_anchor, alias_number): New.
25201 (mvs_function_table): Reorder for EBCDIC.
25202 (ascebc, ebcasc): Unconditionally define.
25203 (i370_branch_dest, i370_branch_length): New functions.
25204 (i370_short_branch, i370_label_scan): New functions.
25205 (mvs_get_label): Renamed from mvs_add_label. Search for
25206 an existing label before creating a new one.
25207 (mvs_add_label): New function.
25208 (mvs_get_label_page): New function.
25209 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25210 over the entire list.
25211 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25212 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25213 (mvs_add_alias, mvs_need_alias): New functions.
25214 (mvs_get_alias, mvs_check_alias): New functions.
25215 (handle_pragma): New function.
25216 (mvs_function_check): New function.
25217 (unsigned_jump_follows_p): Search harder.
25218 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25219 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25220 * i370.h (TARGET_VERSION): Delete.
25221 (CPP_SPEC, CPP_PREDEFINES): Delete.
25222 (mvs_label_emitted): Delete.
25223 (TARGET_EBCDIC): Delete.
25224 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25225 (HANDLE_PRAGMA): Define.
25226 (HARD_REGNO_NREGS): Handle complex modes.
25227 (HARD_REGNO_MODE_OK): Likewise.
25228 (CLASS_MAX_NREGS): Likewise.
25229 (RET_REG): Likewise.
25230 (EXTRA_CONSTRAINT): Define.
25231 (RETURN_IN_MEMORY): True for DImode.
25232 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25233 (FUNCTION_PROFILER): Delete.
25234 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25235 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25236 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25237 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25238 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25239 (ASM_FILE_START): Add "RMODE ANY".
25240 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25241 (ASM_GLOBALIZE_LABEL): Likewise.
25242 (ASM_OUTPUT_LABELREF): Likewise.
25243 (ASM_OUTPUT_COMMON): Likewise.
25244 (PRINT_OPERAND): Handle 'K', 'W', default.
25245 (PRINT_OPERAND_ADDRESS): New.
25246 (Lots of defines): Add support for TARGET_ELF_ABI.
25247 * i370.md (attr length): New. Define for all patterns.
25248 (*): Lots of tweeks to assembly output and constraints.
25250 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25252 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25253 Disable patterns performing SImode comparisons with SImode values
25254 if TARGET_POWERPC64 and instruction does not sign-extend or does
25255 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25256 differ for signed quantities.
25257 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25258 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25259 (decrement_and_branch_on_count): Add 64-bit variant.
25261 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25263 * final.c (output_asm_insn): When searching for the matching string
25264 for a given dialect, don't run past the end of the list of
25265 alternatives if there are fewer alternatives in the template than
25268 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25270 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25271 Removed paragraph about compression of files and size limitation,
25272 duplicated in the FAQ. Use gcc-patches for posting patches.
25273 * gcc.c (main): Updated URL with bug reporting instructions to
25274 gcc.gnu.org. Removed e-mail address.
25275 * system.h (abort): Likewise.
25277 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25279 * Makefile.in (stmp-multilib-sub): Make the files extracted
25280 from $(LIBGCC1) writable.
25282 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25284 * config/arm/aout.h: Reformat for improved readability.
25286 * config/arm/arm.h: Reformat for improved readability.
25287 Replace uses of fprintf with asm_fprintf where appropriate.
25288 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25289 function declaration assembler actions.
25290 (NUM_INTS): New macro: Convert from bytes to words.
25291 (NUM_REGS): New macro: Compute number of registers required to
25292 hold a quanitity of tyep MODE.
25293 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25295 (NUM_ARG_REGS): New macro: The number of argument registers
25297 (ARG_REGISTER): New macro: Compute the register number of the Nth
25299 (LAST_ARG_REGNUM): New macro: The number of the last argument
25301 (SP_REGNUM): New macro: Register number of the stack pointer.
25302 (FP_REGNUM): New macro: Register number of the frame pointer.
25303 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25304 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25305 CUMULATIVE_ARGS so that it counts registers not bytes.
25307 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25309 Replace uses of fprintf with asm_fprintf where appropriate.
25310 (output_ascii_pseudo_op): Replace with version from thumb.c
25312 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25314 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25315 SUBTARGET_CPP_SPEC.
25316 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25317 (ASM_FILE_START): Emit ASM_APP_OFF.
25319 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25321 * pa.c (compute_frame_size): Round frame according to
25322 STACK_BOUNDARY rather than a hardwired value.
25324 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25326 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25328 * configure: Rebuilt.
25330 * configure.in (hppa*-*-linux*): New configuration.
25331 * configure: Rebuilt.
25332 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25333 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25334 * pa/pa-linux.h: New file.
25335 * pa/t-linux: New file.
25336 * pa/xm-linux.h: New file.
25338 * pa.c (hppa_legitimize_address): Change references from SImode to
25339 either Pmode or word_mode as appropriate.
25340 (emit_move_sequence, store_reg, load_reg): Likewise.
25341 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25342 (output_mul_insn): Likewise.
25343 * pa.h (PROMOTE_MODE): Likewise.
25344 (INITIALZE_TRAMPOLINE): Likewise.
25345 (Pmode): Define to word_mode.
25347 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25348 value of 4. Allocate 8 bytes for each FP register save.
25349 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25351 (hppa_expand_prologue): Likewise.
25352 * pa.h (PROMOTE_MODE): Likewise.
25353 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25354 (FUNCTION_ARG_BOUNDARY): Likewise.
25356 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25358 * pa.c (out_of_line_prologue_epilogue): Delete.
25359 (override_options): Remove -mspace related code.
25360 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25361 (compute_frame_size): Only allocate space for register that
25362 actually need to be saved.
25363 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25364 (TARGET_SWITCHES): Remove -mspace, -mno-space
25365 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25366 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25367 * pa/ee.asm, pa/ee_fp.asm: Delete.
25369 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25371 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25372 directive in column zero.
25374 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25376 * m68k.c (output_function_prologue): Fix computation of save mask
25377 when generating PIC code.
25379 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25381 * tree.c (build_type_attribute_variant): Move current_obstack restore
25382 after build_qualified_type call.
25384 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25386 * configure.in: Use t-iris6, even with GNU LD.
25387 * config/mips/iris6gld.h: Fix typo in linker spec.
25388 * config/mips/t-iris6gld: Remove.
25390 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25392 * rs6000.md (insv, extzv): Remove SImode dependence in named
25393 patterns. Explicitly generate DImode RTL if PowerPC64 and
25395 (insvdi): Reverse start and size in instruction template.
25397 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25399 * invoke.texi: Typo fixes.
25401 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25403 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25404 handle at this time instead of silently generating incorrect code.
25405 (gen_imagpart): Likewise.
25407 * reload.c (find_reloads): Emit a USE for a pseudo register without
25408 a hard register if we could not create an optional reload for the
25411 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25413 * c-typeck.c (output_init_element, process_init_element):
25414 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25415 check for nameless bit fields.
25417 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25419 * regclass.c (scan_one_insn): Notice subregs that change the
25420 size of their operand.
25421 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25423 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25425 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25426 * configure: Rebuilt.
25427 * alpha/t-ieee: New file.
25429 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25431 * rs6000.c (find_addr_reg): Do not select r0 as an address
25434 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25436 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25438 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25440 * rs6000.md (movsf): Do not force easy FP constants into memory.
25442 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25443 immed_double_const to ensure they are properly truncated then
25446 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25448 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25449 always unless NO_DEBUG is used. Compile this code
25451 (replace_symbols_in_block): Compile it unconditionally.
25453 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25455 * configure.in (i?86-*-elf*): New target.
25456 * configure: Rebuilt.
25457 * i386/i386elf.h, i386/t-i386elf: New files.
25459 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25461 * toplev.c (main): Don't complain about saying -gdwarf.
25462 (rest_of_compilation): Remove redundant code.
25464 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25466 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25468 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25470 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25471 "Li960R:", to avoid name clash.
25473 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25475 * loop.c (check_dbra_loop): When reversing a loop, delete all
25476 REG_EQUAL notes referencing the reversed biv except those which are
25477 for a giv based on it.
25479 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25481 * version.c: Drop "gcc-" prefix from version #.
25483 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25485 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25486 the label if we're being verbose.
25488 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25490 * m68k.c (output_function_prologue): Add pic register to mask
25491 if live and flag_pic.
25492 (output_function_epilogue): Likewise.
25494 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25496 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25497 directives in column zero.
25499 * pa/elf.h (ASM_FILE_START): Define.
25500 * pa/som.h (ASM_FILE_START): Include .level directives.
25501 * pa/hpux10.h (ASM_FILE_START): Delete.
25502 * pa/hpux11.h (ASM_FILE_START): Delete.
25504 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25506 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25508 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25509 when reload_out equals reload_in.
25511 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25513 * invoke.texi (Spec Files): New node: Describe the contents of
25516 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25518 * invoke.texi (DEC Alpha Options): Put @end table at
25519 beginning of line, to avoid confusing texi2html.
25521 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25523 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25524 introduced in previous delta.
25526 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25528 * reload1.c (gen_reload): When synthesizing a 3 operand add
25529 sequence, improve test for when to reload OP1 into the reload
25530 register instead of OP0.
25532 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25534 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25536 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25538 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25541 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25543 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25544 (va_dcl): Use __builtin_va_alist_t.
25546 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25548 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25549 on the permanent_obstack.
25550 * dwarfout.c (output_type): Likewise.
25552 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25554 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25555 Merged from c-typeck.c and cp/typeck.c.
25556 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25557 Merged into c-common.
25559 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25561 * c-lex.c (errorcount): Declare it.
25562 (finish_parse): Update errorcount when using CPPLIB.
25564 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25566 * fixinc/inclhack.def(end_else_label): Double the backslash so
25567 sed gets a chance to see it.
25568 * fixinc/inclhack.sh: regen
25569 * fixinc/fixincl.x: regen
25571 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25573 Add framework to support armv5 architecture when it becomes
25576 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25577 (arm_arch5): New variable.
25578 (all_architectures): Add armv5 line.
25579 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25580 -march=armv5 is specified on the command line.
25581 (arm_arch5): Export this variable.
25582 * invoke.texi: Document new string accepted by -march= switch for
25585 * config/arm/arm.h: Replace use of constant 12 as a register
25586 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25587 * config/arm/arm.c: Replace use of constant 12 as a register
25588 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25590 * config/arm/elf.h: Tidy up.
25591 * config/arm/coff.h: Tidy up.
25593 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25595 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25596 * gcc/config/mips/t-iris6gld: New file.
25597 * gcc/config/mips/iris6gld.h: Likewise.
25599 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25601 * c-decl.c (widest_integer_literal_type_node,
25602 widest_unsigned_literal_type) : New.
25603 (init_decl_processing): Handle/use the two new types.
25604 * c-common.c (type_for_size,type_for_mode) : Same.
25605 * c-lex.c (yylex) : Same.
25606 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25608 * c-tree.h (widest_integer_literal_type_node,
25609 widest_unsigned_literal_type) : New.
25611 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25613 * dwarfout.c (field_byte_offset): Correctly compute the object's
25614 byte offset for the first bit of a field which crosses an alignment
25615 boundary on a !BYTES_BIG_ENDIAN target.
25617 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25619 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25622 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25623 Jeff Law <law@cygnus.com>
25625 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25628 * except.c: Include intl.h.
25629 (expand_eh_return): Set current_function_cannot_inline.
25630 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25631 * function.h (struct function): Add eh_return_stub_label.
25632 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25633 * Makefile.in (except.o): Depend on intl.h.
25635 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25637 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25638 same as offsettable in cases 1 and 2.
25640 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25642 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25643 (extlh, extwh): Likewise.
25645 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25647 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25649 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25651 * configure.in: Add arm-pe and thumb-pe targets.
25652 * configure: Regenerate.
25654 * thumb.c (arm_naked_function_p): New function: Determines if
25655 a function is naked (has no gcc generated prologue/epilogue).
25656 (is_called_in_ARM_mode): Return true if the func has the
25657 interfacearm attribute.
25658 (output_return): Do not generate a return for naked functions.
25659 (thumb_function_prologue): Do not generate a prologue for
25661 (thumb_expand_prologue): Do not generate a prologue for naked
25663 (thumb_expand_epilogue): Do not generate an epilogue for naked
25665 (arm_valid_machine_decl_attribute): New function, copied from
25666 arm.c: Permit naked and interfacearm attributes.
25668 * config/arm/pe.c: New file: Support code for arm-pe target.
25669 * config/arm/pe.h: New file: Header file for arm-pe target.
25670 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25671 * config/arm/t-thumb-pe: New file: Makefile fragment for
25674 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25676 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25677 -fPIC or -fpic is specified.
25679 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25681 * expr.c (emit_block_move): Use copy_to_mode_reg for
25682 !TARGET_MEM_FUNCTIONS case too.
25684 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25686 * configure: Rebuilt.
25687 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25688 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25689 definitions made redundant by dbxelf.h inclusion. Delete
25690 lots of definitions related to assembly output that are
25691 specific to the SOM object format.
25692 * pa.c (output_function_prologue): Do not emit the function's
25694 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25695 * pa-pro.h: Deleted.
25696 * som.h: New file with SOM specific definitions.
25697 * elf.h: New file with ELF specific definitions.
25699 * elfos.h (const_section): Output a tab before assembler directives.
25700 (ctors_section, dtors_section): Likewise.
25701 (ASM_OUTPUT_SECTION_NAME): Likewise.
25703 * pa/pa1.h: Delete unused file.
25705 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25707 * configure.in (hppa*-hp-hpux11*): New configuration.
25708 * configure: Rebuilt.
25709 * pa/pa-hpux11.h: New file.
25710 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25713 * mips.md (leasi, leadi): New patterns.
25715 * expr.c (emit_block_move): Properly handle case where one of the
25716 block move arguments has a queued increment or decrement.
25717 (clear_storage): Similarly. Fix formatting goof.
25719 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25721 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25722 semicolon from the BSD VA_LIST replacement expression.
25724 * fixinc/inclhack.sh: regen
25725 * fixinc/fixincl.x: regen
25727 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25728 now use the fixincl program.
25730 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25732 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25733 case. Also make the PIC register call_used.
25735 * m68k.h (FINALIZE_PIC): Delete.
25736 * m68k.c (finalize_pic): Delete.
25738 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25740 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25743 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25745 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25747 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25749 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25751 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25753 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25755 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25757 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25759 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25761 * rs6000.c (output_toc): Always use hex values for floating-point
25762 constants. Store single-precision values in upper-half of TOC
25763 entry in 64-bit mode.
25764 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25765 to final constraints.
25766 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25767 (fctiwz): Improve accuracy of RTL for pattern.
25769 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25771 * expr.c (expand_expr): Allow RTL_EXPR's through the
25772 MAX_INTEGER_COMPUTATION_MODE checks.
25774 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25776 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25777 such that MASK_SUPPORT_ARCH is not negative.
25779 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25781 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25782 ADDR_DIFF_VEC insns that appear inside loops.
25784 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25785 Jeff Law <law@cygnus.com>
25787 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25788 Handle LO_SUM the same as offsettable in cases 1 and 2.
25789 * rs6000.c (find_addr_reg): Revert previous patch.
25791 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25793 * system.h (strstr): New external function declaration.
25794 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25795 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25796 * config.in, configure: Rebuilt.
25798 1999-06-24 Tom Tromey <tromey@cygnus.com>
25800 * gcc.c (main): Read user-specified specs files after computing
25801 additional startfile_prefixes.
25803 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25805 Revert these two patches:
25807 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25808 * loop.c (strength_reduce): When doing biv->giv conversion, update
25809 reg note of NEXT->insn.
25811 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25812 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25814 (recombine_givs): Set ix field after sorting.
25816 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25818 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25819 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25821 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25823 *fixinc/inclhack.def: Add fix development commentary
25824 (read_ret_type): reactivate and add selection clause
25825 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25826 *fixinc/{fixincl.x|inclhack.sh}: regen
25828 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25830 * expr.c (expand_expr): STRIP_NOPS before checking against
25831 MAX_INTEGER_COMPUTATION_MODE
25832 (check_max_integer_computation_mode): Likewise.
25834 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25836 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25838 1999-06-22 Jim Wilson <wilson@cygnus.com>
25840 * expr.c (store_expr): When target is a promoted subreg, return a
25841 promoted subreg as a result.
25843 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25845 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25847 (dwarf2out_define): Mark unused parameters appropriately.
25848 (gen_unspecified_parameters_die): Ditto.
25849 (gen_subprogram_die): Fix signed/unsigned warnings.
25850 (gen_variable_die): Ditto.
25852 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25854 * fixinc/inclhack.def(end_else_label): combined else_label
25855 and endif_label and fixed the sed expression.
25856 *fixinc/{fixincl.x|inclhack.sh}: regen
25858 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25860 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25861 'x' when handling non-offsettable addresses
25863 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25865 * final.c (shorten_branches): Don't try to split an insn that has
25868 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25870 * config/mips/mips.c (symbolic_expression_p): New function.
25871 (mips_select_rtx_section): Put symbolic expressions in the
25872 data section, not the read-only data section.
25874 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25876 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25878 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25880 * collect2.c (main): Log frame table count.
25881 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25882 (scan_prog_file) [COFF]: Handle frame tables.
25884 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25885 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25886 * alpha/elf.h: Undef them again.
25887 * alpha/vms.h: Remove their definitions.
25889 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25891 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25892 remove the clobber of r0 and change the REG_UNUSED note to
25895 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25897 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25898 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25899 fits in HOST_WIDE_INT and one uses union to access a long constant
25902 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25904 * sparc.c (sparc_override_options): Don't allow profiling for
25905 code models other than medlow.
25906 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25907 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25908 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25909 (sparc_block_profiler): Likewise.
25910 (sparc_function_block_profiler_exit): Likewise.
25911 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25912 (FUNCTION_BLOCK_PROFILER): Likewise.
25913 (BLOCK_PROFILER): Likewise.
25914 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25915 (MCOUNT_FUNCTION): New.
25916 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25917 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25918 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25919 (MCOUNT_FUNCTION): New.
25920 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25921 (BLOCK_PROFILER): Delete.
25922 (MCOUNT_FUNCTION): New.
25924 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25926 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25928 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25930 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25933 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25936 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25939 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25942 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25944 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25947 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25949 * i386/djgpp.h (LIB_SPEC): New.
25950 (STARTFILE_SPEC): New.
25952 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25954 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25956 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25959 * system.h (WSTOPSIG): New macro.
25961 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25963 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25965 (insert_pack_attributes): Take into account member natural
25968 * i386/winnt.c (exports_head): New static variable.
25969 (i386_pe_record_exported_symbol): New function.
25970 (i386_pe_asm_file_end): Use.
25971 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25972 symbols to be emitted at end of assembly.
25973 (ASM_DECLARE_OBJECT_NAME): Likewise.
25974 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25976 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25979 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25981 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25984 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25986 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25987 zapping reg_last_uses directly.
25988 (sched_analyze_2, sched_analyze_insn): Likewise.
25989 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25991 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25993 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25994 attributes for cases 1 and 2.
25996 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25998 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
26001 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
26003 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
26005 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
26007 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
26008 PIC_OFFSET_TABLE_REGNUM for general alloaction.
26009 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
26010 must be stacked if it is used for PIC accesses.
26011 * arm.c (use_return_insn): Handle PIC register specially.
26012 (output_return_instruction): Likewise.
26013 (output_func_{prologue,epilogue}): Likewise.
26014 (output_expand_prologue): Likewise.
26016 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
26017 (*strsi_predec): Renamed from *strqi_predec.
26018 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
26019 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
26021 * arm.c (arm_override_options): Remove warning about PIC code
26022 not being supported.
26024 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
26026 * rs6000.c (find_addr_reg): New function.
26027 * rs6000.h (find_addr_reg): Declare.
26028 (offsettable_addr_operand): Delete.
26029 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
26030 from and stores to GPRs.
26032 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
26034 * alpha.c (alpha_expand_block_move): Use get_insns rather than
26035 gen_sequence as argument to emit_no_conflict_block.
26037 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26039 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
26040 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
26041 *fixinc/fixincl.x: regen
26042 *fixinc/inclhack.sh: regen
26044 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
26046 * added support for -mpcrel (PC relative addressing for m68k)
26047 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
26048 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
26049 * m68k.c (print_operand_address): Handle 32-bit PIC case.
26050 (comments for general_src_operand): Add some explanation
26051 about EXTRA_CONSTRAINTS.
26052 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
26053 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26054 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26055 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26056 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26057 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26058 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26059 if not already set.
26060 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26061 * m68k.h (TARGET_PCREL): New target flag.
26062 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26063 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26064 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26065 contains a SYMBOL_REF. Relax this constraint during reload, since
26066 we want to use the predicates, not reload's built-in concept of a
26067 valid memory address, to control what insns need reloading.
26068 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26069 operands (essentially 'g', 'm', and 's' under normal circumstances).
26070 * m68k.c (print_operand): Cause printing of pc-relative addresses
26071 to include pc register.
26072 (print_operand_address): Ditto.
26073 (general_src_operand): Accept operands that are not only
26074 general_operands, but are also valid when used as a pc-relative
26076 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26077 (memory_src_operand): Similar, for memory_operands.
26078 (pcrel_address): New predicate to accept the special case of a
26079 pc-relative address.
26080 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26081 QImode insns to accept *_src_operand instead of *_operand where
26082 pc-relative operands can fit. For example, a pc-relative operand
26083 can be used as a memory source operand for addsi3, but not as a
26084 memory destination.
26085 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26087 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26089 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26090 .thumb_set pseudo op to mark aliases of thumb functions.
26092 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26094 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26095 preference to ASM_OUTPUT_DEF, if it is defined.
26097 * tm.texi: Document new, optional target macro
26098 ASM_OUTPUT_DEF_FROM_DECLS.
26100 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26102 * fixincludes: ISCNTL patch
26103 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26104 (dgux_int_varargs): new for DG/UX
26105 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26107 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26109 * invoke.texi (ia32 options): Fix typo.
26111 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26113 * loop.c (strength_reduce): When doing biv->giv conversion, update
26114 reg note of NEXT->insn.
26116 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26118 * loop.c (move_movables): Note issues with replacing REGs with
26120 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26122 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26124 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26126 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26127 the reference to `mcount' was not correct for the ELF on FreeBSD.
26129 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26131 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26134 (recombine_givs): Set ix field after sorting.
26136 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26138 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26139 to safe to extract a subword out of a REG.
26141 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26143 * sh.md (mulsi3): Don't add a no-op move at the end.
26145 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26147 * cse.c (cse_insn): Don't put hard register source into tables for
26148 the last insn of a libcall.
26150 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26152 * loop.c (strength_reduce): Insert sets of derived givs at every
26153 biv increment, even if it's the only one.
26155 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26157 * dwarfout.c (add_incomplete_type): New fn.
26158 (output_type): Call it.
26159 (retry_incomplete_types): New fn.
26160 (dwarfout_finish): Call it.
26162 From Eric Raskin <ehr@listworks.com>:
26163 (output_type): Output types for bases.
26165 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26167 * mips.c (mips_output_conditional_branch): Add `break'
26168 between `default' label and `close braces'.
26170 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26172 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26173 specifications and make it realistic.
26174 (LIB_SPEC): Likewise.
26176 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26178 * config/mips/mips.c (mips_secondary_reload_class): Check for
26179 (PLUS (SP) (REG)) and return appropriate register class.
26180 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26181 Handle (PLUS (SP) (REG)).
26182 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26183 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26184 of emit_insn for tablejump.
26186 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26188 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26189 asm_fprintf format string by itself.
26190 (output_function_profiler): Likewise.
26192 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26194 * combine.c (simplify_logical, case AND): Only call
26195 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26196 or the constant is positive.
26198 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26200 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26201 * configure: Regenerate.
26203 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26205 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26206 require a sub-version #.
26207 * configure: Rebuilt.
26209 1999-06-14 Robert Lipe (robertlipe@usa.net)
26211 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26213 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26215 * c-typeck.c (process_init_element): Detect excess elements in
26216 char array initializer.
26218 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26220 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26222 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26224 * invoke.texi (Option Summary): Add -fpermissive flag.
26226 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26228 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26229 that require PIC code sequences.
26231 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26233 * configure.in: Add new target: thumb-elf.
26234 * configure: Regenerate.
26235 * config/arm/t-thumb-elf: New file: Makefile fragment for
26237 * config/arm/telf.h: New file: Header file for thumb-elf
26240 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26242 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26243 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26244 initializers is some circumstances.
26246 * fixinc/inclhack.def (endif_label): Add additional selector for
26247 more bogus stuff after #endif statements.
26248 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26250 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26252 * i386/cygwin.h (SET_ASM_OP): Define.
26254 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26256 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26258 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26260 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26263 * sh.md (ic_invalidate_line_i): Remove second alternative.
26265 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26267 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26268 test for the presence of valid prototypes. Delete bypass expr.
26269 (ioctl_fix_ctrl): Correct the selection expression.
26270 (no_double_slash): Correct quoting rules
26271 *fixinc/fixincl.x: regen
26272 *fixinc/inclhack.sh: regen
26274 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26276 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26278 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26280 * rs6000.md (movsi_got_internal_mem): Delete.
26281 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26282 (GOT_TOC_REGNUM): Delete.
26283 (PIC_OFFSET_TABLE_REGNUM): Define.
26284 (FINALIZE_PIC): Disable.
26285 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26286 (rs6000_replace_regno): Delete.
26287 (rs6000_finalize_pic): Likewise.
26288 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26290 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26292 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26293 is a note; use <= for the compare; advance P while it is
26296 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26298 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26299 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26301 * varasm.c (remove_from_pending_weak_list): Verify t->name
26302 is non-NULL before passing it to strcmp.
26304 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26306 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26307 the typed arguments are not part of a comment
26308 (ioctl_fix_ctrl): Added a purpose comment
26309 *fixinc/fixincl.x: regenerate
26310 *fixinc/inclhack.sh: regenerate
26312 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26314 * invoke.texi: Add C4x invocation docs.
26316 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26318 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26320 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26322 (c4x_legitimize_reload_address): New function.
26323 * config/c4x/c4x.md: Update docs.
26325 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26327 * fixincludes: Avoid removing '.'.
26328 * fixinc/fixinc.svr4: Likewise.
26329 * fixinc/fixinc.winnt: Likewise.
26330 * fixinc/inclhack.tpl: Likewise.
26331 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26333 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26335 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26337 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26339 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26341 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26344 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26346 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26347 * configure: Regenerate.
26349 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26351 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26354 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26356 * fixinc/inclhack.def (avoid_bool): Also catch
26357 "typedef [unsigned] int bool".
26358 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26360 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26361 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26362 * configure: Rebuilt.
26364 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26366 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26367 such that we can override its definitions if necessary.
26368 (CPP_SPEC): New define. Support processor specific predefines via
26370 (CC1_SPEC): New define. Support processor specific compiler
26371 options via %(cc1_cpu).
26372 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26375 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26377 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26378 between sed's -e flag, and the open-quote following it.
26379 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26381 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26382 Jeffrey A Law (law@cygnus.com)
26384 * varasm.c (assemble_start_function): Remove the function
26385 from the pending weak decls list when we define a function.
26386 (assemble_variable): Similarly for variables.
26387 (weak_finish): Ignore items on the list with a NULL name.
26388 (remove_from_ending_weak_list); New function to "remove" an item
26389 from the pending weak declarations list.
26391 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26393 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26395 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26397 * c-lex.c (GETC): Redefine to call getch.
26398 (UNGETC): Redefine to call put_back.
26399 (putback_buffer): New structure type.
26400 (putback): New static structure.
26401 (getch): New function.
26402 (put_back): New function.
26403 (yylex): Replace unused bytes from bad multibyte character.
26405 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26407 * cpplib.c (do_define): Cast `alloca' return value.
26408 (do_include, do_undef, do_pragma): Likewise.
26409 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26411 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26412 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26414 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26416 * sparc.md (abstf2): This should be an expand.
26417 (split after abstf2_notv9): Fix mode.
26418 (abstf2_hq_v9): New pattern.
26419 (abstf2_v9): Only use when no hard quad.
26420 (absdf2_v9): Fix if target is not the same as source.
26421 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26422 Add correct output constraints.
26424 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26426 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26427 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26429 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26431 * mips.h (mips_output_conditional_branch): New function.
26432 (mips_adjust_insn_length): Likewise.
26433 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26434 (ADJUST_INSN_LENGTH): Likewise.
26435 * mips.c (print_operand): Add `F' and `W' for floating-point
26436 comparison opcodes.
26437 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26439 (mips_adjust_insn_length): New function.
26440 (mips_output_conditional_branch): New function.
26441 * mips.md (length): Adjust attribute definition to handle
26442 conditional branches. Change lengths to bytes, rather than
26443 instructions throughout. Remove length attribute from
26444 instructions whose length is four bytes, and rely on the default
26446 (dslot): Fix typo in comment.
26447 Reword conditional branch patterns to use
26448 mips_output_conditional_branch.
26450 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26452 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26453 (LIB_SPEC): Likewise.
26454 Link with -lprof1_r for -g/-pg.
26456 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26458 * loop.c (check_dbra_loop): Fix change of Jan 19.
26460 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26462 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26463 (STARTFILE_SPEC): Define, override the svr4.h version.
26464 (ENDFILE_SPEC): Likewise.
26466 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26468 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26469 * fixinc/fixincl.x: Regenerated.
26470 * fixinc/inclhack.sh: Regenerated.
26472 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26474 * sh.c (barrier_align): Don't return early for normal branch/barrier
26475 when optimizing for SH2.
26477 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26479 * i386/udk.h (LINK_SPEC): Correct linker search path for
26482 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26484 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26485 (braf_label_ref_operand): Delete.
26486 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26487 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26488 label_ref, and has no predicate.
26489 The patten has a predicate to guard against invalid substitutions.
26490 (dummy_jump): Delete.
26491 (casesi): Update use of casesi_jump_2.
26493 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26495 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26496 *fixinc/fixincl.x: regenerate
26497 *fixinc/inclhack.sh: regenerate
26499 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26501 * dwarf2out.c (add_incomplete_type): New fn.
26502 (gen_struct_or_union_type_die): Call it.
26503 (retry_incomplete_types): New fn.
26504 (dwarf2out_finish): Call it.
26506 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26508 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26509 current block starts with a CODE_LABEL and ends with a CALL and
26510 we can not find all the argument setup instructions for the CALL.
26512 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26514 Revert this change:
26515 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26516 something is a candidate for optimize_bit_field_compare.
26518 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26520 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26522 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26524 * alpha.c (override_options): Thinko in last patch.
26526 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26527 (LIB_SPEC): Recognize -pthread.
26529 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26531 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26532 definition in config/arm/coff.h
26533 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26535 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26537 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26538 fixes that need "file=xxx\n" prepended before invocation
26539 (start_fixer - new): starting the fixer process is complex enough
26540 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26541 (process): uses the new routine; omit usage of putenv()
26542 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26543 * fixinc/fixincl.x: regenerate
26545 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26547 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26548 and version #s (1.1 -> 2.96) as needed.
26549 * README.g77: Kill way out of date file in the toplevel directory.
26551 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26553 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26554 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26555 * configure: Rebuilt.
26556 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26557 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26558 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26559 (SWITCH_TAKES_ARG): Likewise.
26560 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26561 * config/t-freebsd: Moved from config/i386/ so it can used for all
26564 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26566 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26568 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26570 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26571 * configure: Rebuilt.
26573 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26575 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26576 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26577 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26578 (rs6000_output_load_toc_table): Same.
26579 (output_prolog, output_mi_thunk): Same.
26580 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26581 (ASM_GLOBALIZE_LABEL): Use putc.
26583 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26585 * alpha.md (reload_*_help): New patterns and splitters.
26586 (reload_*): Use them.
26587 (mov[qh]i): Likewise.
26589 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26591 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26594 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26596 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26598 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26600 * flow.c (mark_regs_live_at_end, insn_dead_p,
26601 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26602 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26603 hasn't run or the frame pointer is needed.
26604 * haifa-sched.c (attach_deaths): Likewise.
26605 * sched.c (attach_deaths): Likewise.
26607 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26609 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26610 calculate_can_reach_end returns nonzero.
26612 * configure.in (native gas tests): Search for an assembler in the
26613 same manner that the installed compiler will.
26614 * configure: Rebuilt.
26615 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26617 * alias.c (find_base_term): Improve handling of addresses
26618 constructed from binary operations.
26620 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26622 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26624 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26626 * function.h (cleanup_label, frame_offset): Declare.
26627 (tail_recursion_label, tail_recursion_reentry): Likewise.
26628 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26629 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26630 (tail_recursion_label, tail_recursion_reentry): Likewise.
26631 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26633 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26635 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26637 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26638 (MAX_OFILE_ALIGNMENT): Define.
26640 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26642 * fixincl.c: Replace local include scheme with #includes of
26643 gansidecl.h and system.h.
26644 * procopen.c: Likewise.
26645 * server.c: Likewise.
26647 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26649 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26650 (crti.o): Add build rule and dependencies.
26651 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26653 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26655 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26656 (LIB_LINUX_SPEC): Likewise.
26657 (LIB_LINUX_SPEC): Add support for -pthread
26658 (CPP_OS_LINUX_SPEC): Likewise.
26659 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26662 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26664 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26666 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26667 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26668 for IEEE math and CC_FCOMI.
26669 (put_jump_code): No IEEE if CC_FCOMI is set.
26671 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26673 * fold-const.c (fold_truthop): Make the field reference unsigned
26674 when converting a single bit compare.
26676 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26678 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26680 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26682 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26683 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26686 * reload.c (push_reload): Do not call remove_address_replacements
26687 when presented with identical optional reloads.
26689 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26691 * alpha.h (MASK_FIX, TARGET_FIX): New.
26692 (MASK_*): Reorganize constants.
26693 (CPP_AM_FIX_SPEC): New.
26694 (TARGET_SWITCHES): Add FIX.
26695 (EXTRA_SPECS): Likewise.
26696 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26697 (SECONDARY_MEMORY_NEEDED): Likewise.
26698 (REGISTER_MOVE_COST): Likewise.
26699 * alpha.c (override_options): Add FIX support. Always use
26700 ALPHA_TP_PROG for ev6.
26701 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26702 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26703 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26705 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26707 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26708 something is a candidate for optimize_bit_field_compare.
26710 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26712 * gcc.texi (Passes): Document branch-shortening.
26713 * invoke.texi (Debugging Options): Document the fact that `-dp'
26714 outputs length information for instructions.
26716 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26718 * flow.c: Revert previous delta.
26720 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26722 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26723 FRAME_POINTER_REGNUM.
26724 (mark_set_1): Ditto.
26725 (mark_used_regs): Ditto.
26727 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26729 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26730 (GOT_PCREL): New macro. Define to 1 if not already defined.
26731 * arm/elf.h (GOT_PCREL): Define to 0.
26732 * arm.c (arm_finalize_pic): Take into account the setting of
26735 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26737 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26738 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26740 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26741 store elimination candidates.
26743 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26745 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26748 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26750 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26751 Add use of x-aix41-gld.
26753 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26755 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26756 (ASM_OUTPUT_DESTRUCTOR): Define.
26758 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26760 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26761 last CODE_LABEL in a loop if we have previously passed a jump
26762 to the top of the loop.
26764 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26766 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26767 applying Philip's patch.
26769 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26771 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26774 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26776 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26778 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26780 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26781 Also remove a useless comment.
26783 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26785 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26787 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26789 * collect2.c (main): Only generate import or export file and add
26790 to link arguments if non-empty. Use xmalloc not alloca.
26791 (write_{export,import}_file): Delete.
26792 (write_aix_file): New function.
26793 (locatelib): Use xmalloc not malloc.
26794 (GCC_OK_SYMBOL): Do not check type if aix64.
26796 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26798 Based on patch by Scott Bambrough and Pat Beirne:
26799 * config/arm/arm.c (making_const_table): New variable.
26800 * config/arm/arm.h (making_const_table): Declare.
26801 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26803 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26804 Keep track of when we are building the constant table.
26806 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26808 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26811 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26813 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26816 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26818 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26821 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26823 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26825 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26827 * rs6000.c (output_mi_thunk): Enable full support again.
26829 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26831 * sh.h (BRANCH_COST): Define.
26833 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26835 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26837 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26839 * function.c (assign_stack_local): Align stack slot propertly.
26840 (assign_outer_stack_local): Likewise.
26842 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26844 * expr.h (lang_expand_constant): Declare.
26845 * toplev.c (lang_expand_constant): Define it.
26846 * varasm.c (output_constant): Use it.
26848 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26850 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26851 Change function definitions to K&R style.
26853 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26855 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26857 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26859 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26860 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26861 (several places): omit static initialization
26862 (process): use single fd, since only the read fd is used
26863 * fixinc/gnu-regex.c: define 'const' away, if not supported
26864 * fixinc/procopen.c(several places): omit static initialization
26865 * fixinc/server.c: define 'volitile' away, if not supported
26867 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26869 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26870 asm_fprintf and %L to generate the label name.
26871 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26872 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26874 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26876 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26877 insn for a conditional jump can not be found.
26879 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26881 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26882 on variables in specific sections other than .sbss and .sdata.
26884 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26886 * stmt.c (expand_return): Call start_cleanup_deferral and
26887 end_cleanup_deferral around conditional code.
26889 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26891 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26892 filename lists. Utilizes new "krstr" AutoGen function.
26893 * fixinc/fixincl.x: Rebuilt.
26895 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26897 * i386.c (output_float_compare): Avoid GNU-C extensions.
26899 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26901 * version.c: Bump to distinguish mainline tree from the
26904 See ChangeLog.1 for earlier changes.