1 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4 bogus clobber to insns.
5 (load_multiple_operation, store_mulitple_operation): Don't check
7 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
9 * arm.md (and_scc, ior_scc): Add missing mode.
11 * arm.md (call_value_symbol): Remove predicate from op2.
13 * arm.h (SPECIAL_MODE_PREDICATES): Define.
15 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17 * expr.c (get_subtarget): New function.
18 (force_operand, expand_expr, do_store_flag): Use it.
20 * toplev.c (compile_file): Don't take strlen of NAME if null.
22 2000-05-06 David Edelsohn <edelsohn@gnu.org>
24 * xcoffout.c (xcoff_current_include_file,
25 xcoff_current_function_file, xcoff_lastfile): Constify char *.
26 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
28 (xcoffout_declare_function): Make name 'const char *'.
29 (xcoffout_end_epilogue): Make fname 'const char *'
30 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
31 xcoffout_declare_function, xcoffout_source_line): Match above.
33 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
35 * rs6000.c (print_operand): Fix lossage typo.
36 (output_cbranch): Remove "cr" decoration for now.
37 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
39 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
41 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
44 2000-05-05 Bruce Korb <bkorb@gnu.org>
46 * fixinc/genfixes: Improve the matching for make target names
48 2000-05-05 Catherine Moore <clm@cygnus.com>
50 * c-common.c (decl_attributes): For TYPE_DECLs attach the
51 attribute to the decl.
52 * c-decl.c (pushdecl): Propagate the USED attribute to the
55 2000-05-05 Richard Henderson <rth@cygnus.com>
57 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
58 same way emit_group_load does.
60 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
62 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
64 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
67 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
69 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
71 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
73 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
74 to support -shared, on platforms with dynamic libraries.
76 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
78 * system.h (S_ISBLK): Provide fallback definition.
80 2000-05-05 Geoff Berry <geoffb@bops.com>
82 * extend.texi (Extended Asm): Document inability to give asm
83 statements access to condition codes.
85 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
87 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
88 as arg 2 of UNIQUE_SECTION.
90 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
92 * predict.c: Remove May 4 change.
93 * bb-reorder.c (make_reorder_chain): Do not perform block movement
94 if we have predicted the branch at 50-50 probability.
96 2000-05-05 Richard Henderson <rth@cygnus.com>
98 * flow.c (init_propagate_block_info): Fix merge error
99 in HAVE_conditional_execution code.
101 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
103 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
104 shift cycle for unknown shift count. Also generates dec + brpl.
105 (ashlqi3_out): Don't generate dec + brpl which now generates by
106 `out_shift_with_cnt'.
107 (ashlhi3_out): Likewise.
108 (ashlsi3_out): Likewise.
109 (ashrqi3_out): Likewise.
110 (ashrhi3_out): Likewise.
111 (ashrsi3_out): Likewise.
112 (lshrqi3_out): Likewise.
113 (lshrhi3_out): Likewise.
114 (lshrsi3_out): Likewise.
116 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
118 * gcc.c (free_split_directories): Correct typo in explanation
119 of make_relative_prefix.
121 2000-05-04 Geoff Keating <geoffk@cygnus.com>
123 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
124 comparison codes to branch_comparison_operator.
126 2000-05-04 Richard Henderson <rth@cygnus.com>
128 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
130 2000-05-04 Richard Henderson <rth@cygnus.com>
132 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
133 (DPBIT_FUNCS): Remove _sf_to_usi.
134 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
136 * ifcvt.c (noce_process_if_block): Fail if A or B modified
137 between condition and jump.
139 * libgcc2.c (near eh_context_specific): Comment #endif string.
140 * longlong.h: Don't use strings with embedded newlines.
142 2000-05-04 Geoff Keating <geoffk@cygnus.com>
144 * config/rs6000/rs6000-protos.h: Add output_cbranch.
145 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
146 (print_operand): Delete %t and %T codes.
147 (output_cbranch): New function. Support branch prediction.
148 * config/rs6000/rs6000.md: Use output_cbranch for
149 conditional branches and returns.
151 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
153 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
154 * stor-layout.c (place_field): Likewise.
155 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
156 * expr.c (store_expr): Make align unsigned.
157 * explow.c (plus_constant_wide): Make low words unsigned.
158 * expmed.c (choose_multiplier): Likewise.
159 * fold-const.c (fold): Likewise.
160 * tree.h (build_int_2): Likewise.
161 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
162 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
163 (init_emit): Change cast to unsigned char*.
164 * varasm.c (compare_constant_1): Add cast to char*.
165 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
166 * reload1.c (reload): Likewise.
168 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
170 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
172 * predict.c (estimate_probability): If no prediction was found, then
173 predict the successor that is the next physical block (if such a
176 2000-05-04 Richard Henderson <rth@cygnus.com>
178 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
180 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
182 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
184 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
186 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
187 attribute macros from here ...
189 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
190 (CPP_SPEC): Likewise.
191 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
193 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
194 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
196 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
198 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
200 * diagnostic (vbuild_message_string, build_message_string,
201 build_location_prefix, output_get_prefix, init_output_buffer,
202 output_notice, vline_wrapper_message_with_location,
203 v_message_with_decl, default_print_error_function): De-constify.
204 (set_real_maximum_length): Prototype.
206 * diagnostic.h (struct output_buffer, init_output_buffer,
207 output_get_prefix, output_set_prefix): De-constify.
209 * function.c (init_function_start): Constify.
211 * gensupport.c (remove_constraints, process_rtx): Prototype.
213 * gthr-posix.h: Indent uses of #pragma.
215 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
218 * predict.c (find_expected_value): Delete prototype.
219 (expected_value_to_br_prob): Initialize variable `ev_reg'.
221 * sbitmap.h (debug_sbitmap): Prototype.
223 * ssa.c (compute_coalesced_reg_partition): Prototype.
225 * stor-layout.c (debug_rli): Prototype.
227 * tree.h (round_down): Prototype.
228 (init_function_start): Constify.
230 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
232 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
233 (overly conservative). Change extern inline wrappers to
234 static inline, define them always, use PARAMS properly.
235 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
236 whitespace warnings for \f and \v at the beginning of a line.
238 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
240 * haifa-sched.c (schedule_insns): Free the flow edge list when it
243 2000-05-04 Bruce Korb <bkorb@gnu.org>
245 * fixincl/inclhack.def: added broken_cabs -
246 Remove `extern double cabs' declarations from math.h
247 * fixincl/inclhack.sh: regen
248 * fixincl/fixincl.x: regen
249 * fixincl/fixincl.c: Remove BOGOSITY code
250 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
252 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
254 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
256 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
257 when calling MEM_COPY_ATTRIBUTES.
258 * emit-rtl.c (operand_subword, change_address): Likewise.
259 * explow.c (stabilize): Likewise.
260 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
261 * integrate.c (copy_rtx_and_substitute): Likewise.
262 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
263 when calling MEM_COPY_ATTRIBUTES.
264 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
266 * cse.c (gen_lowpart_if_possible): Likewise.
267 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
268 * optabs.c (gen_move_insn): Likewise.
269 * recog.c (validate_replace_rtx_1): Likewise.
270 * simplify-rtx.c (add_mem_for_addr): Likewise.
271 * stmt.c (expand_anon_union_decl): Likewise.
272 * config/arm/arm.md: Likewise.
273 * config/h8300/h7300.c (fix_bit_operand): Likewise.
274 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
275 (block_move_no_loop, block_move_sequence): Likewise.
276 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
277 * config/alpha/alpha.c (get_aligned_mem): Likewise.
279 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
282 2000-05-03 Robert Lipe <robertlipe@usa.net>
284 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
286 (i[34567]86-*-sco3.2v5*) Likewise.
287 (i[34567]86-*-sco3.2v4*) Likewise.
288 (i[34567]86-*-sco) Likewise.
289 (i[34567]86-*-solaris2) Likewise.
290 (i[34567]86-*-sysv5*) Likewise.
291 (i[34567]86-*-sysv4*) Likewise.
292 (i[34567]86-*-udk*) Likewise.
293 (i[34567]86-*-sysv*) Likewise.
295 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
297 * cpphash.h (U): New define, to correct type of string constants.
298 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
299 routines, to do casts when passing unsigned strings to libc.
300 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
302 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
303 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
304 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
305 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
306 second argument an U_CHAR *.
308 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
309 length field, clean up initializer.
310 (ISTABLE): Add __extension__ to designated-
311 initializers version.
312 * cpplex.c (CHARTAB): Likewise.
314 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
315 case so the file won't be empty.
317 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
319 * bb-reorder.c (struct reorder_block_def): Member succ removed.
320 (REORDER_BLOCK_SUCC): Removed.
321 (enum reorder_skip_type): Removed.
322 (skip_insns_between_block): Renamed to skip_insns_after_block.
323 Removed second argument. Removed dead code and cleaned up.
324 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
325 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
326 second parameter to skip_insns_after_block.
328 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * tree.c (staticp, case LABEL_DECL): New case.
332 2000-05-03 Richard Henderson <rth@cygnus.com>
334 * Makefile.in (start.encap): Do not depend on LIBGCC1.
336 * mklibgcc1.in: Fix typo last change.
338 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
340 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
341 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
342 (GCC_CFLAGS): Use it.
343 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
344 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
345 objc/Make-lang.in: Use it.
347 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
349 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
351 2000-05-03 Richard Henderson <rth@cygnus.com>
353 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
354 LIBGCC1 empty with libgcc1.null.
356 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
358 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
361 2000-05-03 Greg McGary <gkm@gnu.org>
363 * tree.h (tree_common): Add bounded_flag member. Remove
364 inaccurate comment about number of remaining bits.
365 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
366 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
367 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
368 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
369 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
370 (TYPE_QUAL_BOUNDED): New constant.
371 (TYPE_QUALS): Handle bounded qualifier.
372 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
373 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
374 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
375 TYPE_AMBIENT_BOUNDEDNESS): New macros.
376 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
377 (tree_type): Add pointer_depth member. Remove
378 inaccurate comment about number of remaining bits.
379 (DECL_POINTER_DEPTH): Add macro.
380 (tree_decl): Add pointer_depth member.
382 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
384 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
385 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
386 (lshrhi3_out): Likewise.
387 (ashrsi3_out): bugfix in shift by 8.
388 (test_hard_reg_class): New function.
389 * config/avr/avr.md: Bugfix inside conditions in peepholes.
390 (ashlhi3): removed define_expand of this pattern.
391 (*ashlhi3_insn): renamed to ashlhi3.
392 (ashlsi3): removed define_expand of this pattern.
393 (*ashlsi3_insn): renamed to ashlsi3.
394 (ashrqi3): removed define_expand of this pattern.
395 (*ashrqi3_insn): renamed to ashrqi3.
396 (ashrhi3): removed define_expand of this pattern.
397 (*ashrhi3_insn): renamed to ashrhi3.
398 (ashrsi3): removed define_expand of this pattern.
399 (*ashrsi3_insn): renamed to ashrsi3.
400 (lshrhi3): removed define_expand of this pattern.
401 (*lshrhi3_insn): renamed to lshrhi3.
402 (lshrsi3): removed define_expand of this pattern.
403 (*lshrsi3_insn): renamed to lshrsi3.
405 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
407 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
408 inclusion of "system.h".
410 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
412 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
415 2000-05-03 David Mosberger <davidm@hpl.hp.com>
417 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
419 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
420 -mconstant-gp is in effect and function-descriptors are being used
421 to make indirect calls.
422 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
423 (MASK_AUTO_PIC): Ditto.
424 (TARGET_CONST_GP): Ditto.
425 (TARGET_AUTO_PIC): Ditto.
426 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
427 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
428 -mno-pic is in effect.
429 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
430 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
431 -mauto-pic is in effect.
432 (gprel64_offset): New pattern.
433 (load_gprel64): Ditto.
434 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
435 -mconstant-gp is in effect, no need to preserve gp around direct
438 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
439 (FUNCTION_PROFILER): Define.
440 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
441 @fptr() directive when -mno-pic or -mauto-pic is in effect.
442 (ASM_OUTPUT_DESTRUCTOR): Ditto.
444 2000-05-03 Richard Henderson <rth@cygnus.com>
446 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
447 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
448 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
449 (mklibgcc, libgcc.mk): New targets.
450 (libgcc.a): Use libgcc.mk.
451 (stmp-multilib): Likewise.
452 (stmp-multilib-sub): Remove.
453 (mostlyclean): Don't delete libgcc2 temp files.
454 * configure.in (AC_PROG_CC_C_O): Add.
455 (NO_MINUS_C_MINUS_O): Substitute it.
456 (all_outputs): Add mklibgcc.
457 * mklibgcc.in: New file.
459 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
461 * cppexp.c (op_t): Make an int.
463 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
465 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
467 * gensupport.c (process_rtx): Fix macros used.
469 2000-05-03 Richard Henderson <rth@cygnus.com>
471 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
472 call-clobbered registers of a call.
474 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
476 * gensupport.c: New file.
477 * gensupport.h: New file.
478 * Makefile.in (HOST_RTL): Depend on gensupport.
479 (gensupport.o) New rule.
480 * genattr.c: Use gensupport for reading .md files.
481 * genattrtab.c: Ditto.
483 * genconfig.c: Ditto.
485 * genextract.c: Ditto.
487 * genopinit.c: Ditto.
488 * genoutput.c: Ditto.
491 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
492 * md.texi (Insn Splitting): Document define_insn_and_split.
494 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
496 * flow.c (verify_flow_info): Added two more sanity checks. The
497 first checks that the blocks are numbered consecutively. The second
498 checks that n_basic_blocks is actually equal to the number of
499 basic blocks in the insn chain.
501 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
503 * cpplib.h: Add accessor macros for token lists.
504 * cpplib.c, cpphash.c, cpplex.c: Use them.
506 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
508 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
509 memory usage if not in a function.
510 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
511 return address if static.
513 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
515 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
516 whether address may trap.
518 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
520 * bb-reorder (chain_reorder_blocks): Changed code to test for
521 EDGE_FALLTHRU rather than making erroneous assumption that the
522 first outgoing edge is the fall-through edge.
524 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
526 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
527 ABI for varargs, across all MIPS. This is incompatible because the
528 va_list (__builtin_va_list) structure is different, so a compilation
529 unit passing a va_list and a compilation unit being passed one, should
530 both be compiled with the same ABI. (The old structure had two
531 pointers, now it has three.)
533 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
535 * bb-reorder.c (struct reorder_block_def): Remove members end,
536 block_begin, and block_end.
537 (REORDER_BLOCK_OLD_END): Delete.
538 (REORDER_BLOCK_BEGIN): Delete.
539 (REORDER_BLOCK_END): Delete.
540 (chain_reorder_blocks): Remove dead code.
542 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
544 * bb-reorder.c (remove_scope_notes): Check for both types of scope
545 notes as the end of a basic block before deleting.
547 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
549 * final.c (final_start_function): Fix spelling of "necessary".
551 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
553 * toplev.c (debug_ignore_block): Return int.
554 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
555 * toplev.h, dwarf2out.h: Adjust.
556 * emit-rtl.c (remove_unnecessary_notes): Test return value.
558 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
559 * toplev.c, final.c, rtl.h: Adjust.
561 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
563 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
564 * configure.in: Look for makeinfo in the unified tree, then
565 for a system makeinfo which is sufficiently new.
566 * Makefile.in: If configure says makeinfo is too old, don't
567 build or install Info documentation.
569 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
571 * cpphash.c (collect_params): Fix off-by-one error.
572 (dump_hash_helper): Dump all four macro nodetypes.
574 2000-05-02 Jakub Jelinek <jakub@redhat.com>
576 * cpphash.c (trad_stringify): Adjust p after stringification as
579 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
581 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
582 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
584 * cppfiles.c (file_cleanup): Delete.
585 * cpphash.c (macro_cleanup): Delete.
586 (collect_objlike_expansion, collect_funlike_expansion,
587 macarg, scan_arguments): Remove CPP_POP case.
589 * cpplex.c (null_cleanup): Delete.
590 (cpp_pop_buffer): Do the work that was done in the cleanups
591 here. Call _cpp_unwind_if_stack from here.
592 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
593 cpp_scan_buffer): Run until we see CPP_EOF and the top of
594 stack is the buffer _below_ the one we stacked.
595 (cpp_get_token): Always pop an exhausted buffer. Return
596 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
597 * cpplib.c (skip_if_group): Don't call cpp_get_token to
598 increment the line number.
599 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
601 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
602 we see CPP_EOF and the top of stack is the buffer _below_ the
604 * scan-decls.c: Likewise.
606 2000-05-02 Andrew Haley <aph@cygnus.com>
608 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
609 where this function is called for the second time on a decl that
610 has had its section info changed in such a way as to move it out
612 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
614 2000-05-01 Richard Henderson <rth@cygnus.com>
616 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
617 the sequence we're moving, not to merge_bb->head.
619 2000-05-01 Richard Henderson <rth@cygnus.com>
621 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
622 reference to alpha/t-linux.
623 (alpha*-*-linux-gnu*): Likewise.
624 * configure: Rebuild.
626 * calls.c (expand_call): Don't emit reg notes for a sibcall.
628 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
631 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
633 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
635 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
638 2000-05-01 Richard Henderson <rth@cygnus.com>
640 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
641 emit_conditional_move.
643 2000-05-01 Jakub Jelinek <jakub@redhat.com>
645 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
646 as the dynamic linker.
648 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
650 * cppfiles.c (open_include_file): Open file in blocking mode.
651 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
652 Only exclude block devices and directories.
654 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
655 static. Allocate the hashnode and its string in the same
657 (del_HASHNODE): Don't free h->name.
658 (_cpp_lookup): If there is no entry for this string, create
660 (_cpp_lookup_slot): Delete.
661 * cpphash.h: Update prototypes.
663 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
665 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
666 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
667 node here, just fill in the value field properly. "Delete"
668 entries by setting the value field to T_VOID. Check for
669 hp->type == T_VOID, not hp == NULL.
671 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
672 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
675 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
677 * config/mn10300/mn10300.c (print_operand_address): Do not add
680 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
681 adjusted by less than 256 bytes, use ret regardless of having any
682 callee-saved register to restore.
684 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
686 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
688 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
690 * config/i386/djgpp.h (INT_ASM_OP): Define.
691 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
692 (ASM_WEAKEN_LABEL): Define.
693 (MASK_BNU210): Define.
694 (SUBTARGET_SWITCHES): Define.
695 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
696 (MAKE_DECL_ONE_ONLY): Define.
697 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
699 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
701 * i386/cygwin.h (INT_ASM_OP): Define.
703 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
705 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
706 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
708 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
710 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
711 __tmp_reg__ and __zero_reg__ initialization.
713 2000-04-30 Richard Henderson <rth@cygnus.com>
715 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
717 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
718 referenced bewteen the condition and the jump. Don't delete
719 anything but the jump.
721 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
723 * bb-reorder.c (scope_def): New struct.
724 (scope_forest_info): New struct.
725 (struct reorder_block_def): New member "scope".
726 (REORDER_BLOCK_SCOPE): New macro.
727 (relate_bbs_with_scopes): New function and prototype.
728 (make_new_scope): Likewise.
729 (build_scope_forest): Likewise.
730 (remove_scope_notes): Likewise.
731 (insert_intra_1): Likewise.
732 (insert_intra_bb_scope_notes): Likewise.
733 (insert_inter_bb_scope_notes): Likewise.
734 (rebuild_scope_notes): Likewise.
735 (free_scope_forest_1): Likewise.
736 (free_scope_forest): Likewise.
737 (dump_scope_forest): Likewise.
738 (dump_scope_forest_1): Likewise.
739 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
740 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
742 (reorder_basic_blocks): Added calls to build_scope_scope_forest
743 and remove_scope_notes before reordering is done. Added calls to
744 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
745 after reordering is done.
747 2000-40-30 Bruce Korb <bkorb@gnu.org>
749 * fixinc/inclhack.def: Added definitions needed by OSR5,
750 removed two stale entries (defined away with OLD_CPP).
751 * fixinc/inclhack.sh: regen
752 * fixinc/fixincl.x: regen
754 2000-04-30 Richard Henderson <rth@cygnus.com>
756 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
757 from the last insn in the sequence.
759 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
761 * cpplex.c (cpp_idcmp): New function.
762 * cpplib.h: Prototype it.
763 * scan_decls.c (scan_decls): Use it to inspect token names.
764 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
765 the file being run through the preprocessor.
766 (check_macro_names): Provide length of token to cpp_defined.
768 * Makefile.in: Remove stale warning message.
770 * cppfiles.c (redundant_include_p): Provide length of token to
772 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
773 values are unsigned int.
774 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
775 (_cpp_lookup_slot): Do not calculate the hash, either.
776 * cpphash.h: Update prototypes.
777 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
778 Hashes are unsigned int. Calculate hash here, pass by value
781 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
783 * simplify-rtx.c (check_value_useless): Delete function.
784 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
786 (cselib_invalidate_regno): Likewise.
787 (cselib_invalidate_mem_1): Likewise.
788 (references_value_p): Recognize useless values by the fact that they
790 (discard_useless_values): Likewise.
791 (cselib_record_set): This may turn a useless value
794 2000-04-30 Richard Henderson <rth@cygnus.com>
796 * config/d30v: New port.
798 * configure.in (d30v-*): Set fp format.
799 * configure: Rebuild.
801 2000-04-30 Richard Henderson <rth@cygnus.com>
804 * Makefile.in (OBJS): Add it.
805 (ifcvt.o): New target.
806 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
807 and conditional arithmetic.
808 (find_insert_position): Remove.
809 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
810 * toplev.c (DFI_ce, DFI_ce2): New.
811 (dump_file): Add ce and ce2 dumps.
812 (rest_of_compilation): Run if_convert a couple o times. Set
813 cse_not_expected after cse2. Don't set no_new_pseudos until
814 after sched1 or recompute_reg_usage.
816 2000-04-30 Richard Henderson <rth@cygnus.com>
818 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
819 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
821 2000-04-30 Richard Henderson <rth@cygnus.com>
823 * flow.c (struct reg_cond_life_info): New.
824 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
825 (init_propagate_block_info): Initialize them.
826 (free_propagate_block_info): Destruct them.
827 (mark_set_1): Consider conditional life before killing a register.
828 (mark_regno_cond_dead): New.
829 (free_reg_cond_life_info): New.
830 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
831 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
832 (mark_used_reg): Record conditional life.
834 * haifa-sched.c (schedule_insns): Disable death counting
835 sanity check for HAVE_conditional_execution.
837 2000-04-30 Richard Henderson <rth@cygnus.com>
839 * Makefile.in (TIMEVAR_H): New.
840 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
841 (timevar.h): Remove rule.
843 2000-04-29 Richard Henderson <rth@cygnus.com>
845 * config/alpha/crtend.asm: Use C comments instead of #.
846 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
848 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
850 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
852 * cpphash.h (enum node_type: Take out T_MCONST.
853 (union hashval): Move into struct hashnode.
854 (struct hashnode): Pack tighter. Remove file, line, col
856 * cpphash.c: Constify most of the macro-definition structures.
857 (struct definition): Replace by struct object_defn
858 and struct funct_defn. Put file, line, column information
859 here. All users updated to match.
860 (_cpp_create_definition, _cpp_macroexpand): Remove special
861 case for #define WORD OTHERWORD.
862 * cpplib.c (do_undef): Remove T_MCONST case.
864 * cpphash.h: Move struct reflist, struct definition, and the
865 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
866 union hashval. _cpp_free_definition takes a HASHNODE pointer.
867 * cpphash.c (_cpp_free_definition): Free data pointed to by
868 MCONST, XCONST, MACRO, and FMACRO nodes properly.
869 (_cpp_create_definition, del_HASHNODE): Just call
870 _cpp_free_definition to clear out a hashnode.
871 * cpplib.c (do_pragma_poison): Likewise.
873 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
875 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
876 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
877 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
878 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
879 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
880 REGNO_AM33_P): Redefine in terms of the new macros.
881 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
882 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
883 STRUCT_VALUE): Likewise.
884 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
885 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
887 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
889 * regmove.c (struct record_stack_memrefs_data): New.
890 (record_stack_memrefs): New function.
891 (combine_stack_adjustments_for_block): Use it.
893 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
895 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
896 use special_function_p to detect alloca.
898 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
900 * gcc.texi: Fixes for makeinfo 4.0 --html.
902 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
904 * pcp.h: Delete file.
906 2000-04-28 Kazu Hirata <kazu@hxi.com>
908 * h8300.c (function_epilogue): Clean up flags when the last insn
909 in a function is a barrier.
911 2000-04-28 Chris Demetriou <cgd@sibyte.com>
913 * configure.in (sparc-hal-solaris2*): protect [] glob from
915 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
916 rather than hard-coded constants in target_cpu_default2.
917 * configure: Regenerate.
919 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
921 * tree.c (get_callee_fndecl): Extract the initial value from
924 2000-04-28 Richard Henderson <rth@cygnus.com>
926 * varasm.c (record_constant_1): Record the CODE_LABEL when
927 taking the address of a LABEL_REF.
929 2000-04-28 Richard Henderson <rth@cygnus.com>
930 Jan Hubicka <jh@suse.cz>
932 * calls.c (combine_pending_stack_adjustment_and_call): Return the
933 adjustment; don't do the stack adjust.
934 (expand_call): Call compute_argument_block_size right before
935 allocating the block; update comment; don't do alignment sanity
936 checking for sibling call; use args_size instead of
937 unadjusted_args_size before args_size is adjusted. Use
938 combine_pending_stack_adjustment_and_call to compute stack adjust
939 for must_preallocate case.
941 * expr.c (push_block): Remove shadow `temp' in inner scope.
943 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
945 * toplev.c (rest_of_compilation): Call
946 note_deferral_of_defined_inline_function even if the function
949 2000-04-28 Scott Bambrough <scottb@netwinder.org>
951 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
953 2000-04-28 Richard Henderson <rth@cygnus.com>
955 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
957 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
959 * timevar.c (init_timevar): DeANSIfy function definition.
961 2000-04-27 Alex Samuel <samuel@codesourcery.com>
963 * Makefile.in (timevar.o): Depend on flags.h.
964 * timevar.c (unused_stack_instances): New variable.
965 (timevar_push): Take a timevar_stack_def from
966 unused_stack_instances if available.
967 (timevar_pop): Push the popped timevar_stack_def onto
968 unused_stack_instances.
969 (TIMEVAR_ENABLE): New macro.
970 (timevar_def): Make standalone a 1-bit field. Add field used.
971 (get_time): Rename parameter to now. Return after clearing it if
973 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
974 (timevar_pop): Likewise.
975 (timevar_stop): Likewise.
976 (timevar_push): Likewise. Mark the timing variable as used.
977 (timevar_start): Likewise.
978 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
979 timevars that were never used.
981 2000-04-27 Mark Mitchell <mark@codesourcery.com>
983 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
984 always TREE_READONLY.
986 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
988 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
989 for call instruction with mode QImode.
991 2000-04-27 Alex Samuel <samuel@codesourcery.com>
993 * Makefile.in (OBJS): Add timevar.o.
994 (toplev.o): Depend on timevar.h.
995 (ggc-simple.o): Likewise.
996 (ggc-page.o): Likewise.
997 (timevar.o): New rule.
998 (timevar.h): New rule.
1000 * timevar.h: New file.
1001 * timevar.c: Likewise.
1002 * timevar.def: Likewise.
1004 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1005 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1007 (TIMEVAR): Remove macro.
1008 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1009 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1010 flow_time, combine_time, regmove_time, sched_time,
1011 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1012 sched2_time, dbr_sched_time, reorder_blocks_time,
1013 rename_registers_time, shorten_branch_time, stack_reg_time,
1014 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1016 (compile_file): Don't initialize time variables. Call
1017 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1018 of many calls to print_time.
1019 (rest_of_compilation): Add timing for reload_cse_regs.
1020 (get_run_time): Removed to timevar.c.
1021 (print_time): Likewise.
1022 (get_run_time): Implement using TV_TOTAL time variable.
1023 (print_time): Get total run time from get_run_time.
1024 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1025 computing elapsed time explicitly.
1026 * ggc-simple.c (ggc_collect): Likewise.
1027 (gc_time): Remove declaration.
1029 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1031 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1032 (expand_call): Use it.
1034 2000-04-27 Jan Hubicka <jh@suse.cz>
1036 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1039 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1041 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1044 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1046 * function.c (epilogue_done): Pass whole insn to record_insns.
1048 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1050 * cse.c (CSE_ADDRESS_COST): Remove.
1051 (find_best_addr): Add new parameter "MODE", use address_cost instead
1053 (address_cost): New.
1054 (fold_rtx): Update call of find_best_addr.
1055 * rtl.h (address_cost): Declare.
1056 * loop.c (general_induction_var): Add new parameter "MODE", use
1057 address_cost instead of ADDRESS_COST
1058 (init_loop): Use address_cost instead of ADDRESS_COST.
1059 (check_insn_for_givs): Update call of general_induction_var.
1060 (find_mem_givs): Likewise.
1061 (consec_sets_giv): Likewise.
1062 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
1063 * i386.c (ix86_address_cost): New.
1064 * i386-protos.h (ix86_address_cost): Declare.
1066 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
1068 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
1071 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
1073 * expr.c (store_expr): Use clear_storage instead of direct memset
1076 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
1078 * config/mn10300/mn10300.c (mn10300_address_cost): Test
1079 ASHIFT, AND and LABEL_REF.
1081 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
1083 * invoke.texi (-foptimize-sibling-calls): Fix.
1085 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
1087 * loop.c (load_mems) Don't use hard registers for the hoisting.
1089 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
1090 calculation; rename const_equiv array in the preconditioning code
1091 from loop_unroll to loop_unroll_precondition
1093 2000-04-27 Richard Henderson <rth@cygnus.com>
1095 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
1097 (propagate_one_insn): Clear it. Don't update reg_live here.
1098 (init_propagate_block_info): Update for pbi member changes.
1099 (free_propagate_block_info): Likewise.
1100 (mark_set_1): Know that zero_extract, sign_extract, and
1101 strict_low_part don't kill their argument. Alter hard subregs.
1102 Update new_set for non-CLOBBER sets. Update reg_live.
1103 (find_auto_inc): Update reg_live, not new_dead.
1104 (mark_used_reg): Update reg_live, not new_live. Examine new_set
1105 to determine if the reg in question was set this insn. Only update
1106 reg info with PROP_REG_INFO.
1108 2000-04-26 Richard Henderson <rth@cygnus.com>
1110 * flow.c (allocate_reg_life_data): Set max_regno here ...
1111 (life_analysis): ... not here.
1113 * flow.c (calculate_global_regs_live): Force stack pointer
1116 2000-04-26 Richard Henderson <rth@cygnus.com>
1118 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
1119 commit change group changes.
1120 (invert_exp_1): Similarly.
1121 (redirect_exp, invert_exp): Use them.
1122 (redirect_jump_1): New.
1123 (invert_jump_1): New.
1124 (jump_optimize_1): Remove code subsumed by condexec.c.
1125 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
1127 2000-04-26 Richard Henderson <rth@cygnus.com>
1129 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1131 * genconfig.c (main): Set all HAVE_foo to 1.
1133 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1135 2000-04-26 Alex Samuel <samuel@codesourcery.com>
1137 * invoke.texi: Document -fssa flag.
1139 2000-04-26 Richard Henderson <rth@cygnus.com>
1141 * flow.c (count_reg_sets_1): Remove.
1142 (count_reg_sets, count_reg_references): Remove.
1143 (recompute_reg_usage): Implement with update_life_info.
1144 Reallocate life data.
1146 2000-04-26 Richard Henderson <rth@cygnus.com>
1148 * flow.c (update_life_info): Consider blocks null to mean the
1150 (calculate_global_regs_live): Likewise.
1151 (life_analysis): Do that instead of collecting all_blocks.
1153 2000-04-26 Richard Henderson <rth@cygnus.com>
1155 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1156 a still-valid conditional jump.
1158 2000-04-26 Richard Henderson <rth@cygnus.com>
1160 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1162 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1163 * flow.c (calculate_loop_depth): Remove.
1164 * output.h (calculate_loop_depth): Don't declare.
1165 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1166 inline; run estimate_probability at the same time.
1168 2000-04-26 Neil Booth <NeilB@earthling.net>
1170 * cpplib.h: "~=" is not a single pp-token.
1171 * cpplex.c: Correct commentary.
1173 2000-04-26 Richard Henderson <rth@cygnus.com>
1175 * flow.c (mark_set_1): New arguments code and flags; update all
1176 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1177 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1178 loop_depth when optimizing for size. Do new_dead update after
1179 emitting REG_UNUSED notes. Merge mark_set_reg code.
1180 (mark_set_reg): Remove.
1181 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1182 arrange to not emit REG_UNUSED notes.
1184 2000-04-26 Richard Henderson <rth@cygnus.com>
1186 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1187 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1189 2000-04-26 Richard Henderson <rth@cygnus.com>
1191 * flow.c (propagate_one_insn): Break out from propagate_block.
1192 (init_propagate_block_info): Likewise.
1193 (free_propagate_block_info): Likewise.
1194 (propagate_block): Use them. Export.
1195 * basic-block.h: Declare them all.
1197 2000-04-26 Richard Henderson <rth@cygnus.com>
1199 * basic-block.h (life_analysis): Declare here ...
1200 * output.h: ... not here.
1201 * flow.c (life_analysis): Remove nregs parameter; replace
1202 remove_dead_code with flags. Remove ssa dead code check.
1203 Only init alias analysis if we'll use it.
1204 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1205 * ssa.c (convert_to_ssa): Likewise.
1206 (convert_from_ssa): Likewise.
1207 * toplev.c (rest_of_compilation): Likewise.
1209 2000-04-26 Richard Henderson <rth@cygnus.com>
1211 * flow.c (flow_delete_block): Rename from delete_block. Export.
1212 * basic-block.h (flow_delete_block): Declare.
1214 2000-04-26 David S. Miller <davem@redhat.com>
1216 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1217 taking a PATTERN of it.
1219 2000-04-26 <NeilB@earthling.net>
1221 * cpplex.c (spell_other, spell_char): Remove.
1223 (token_spelling, trigraph_map): Use unsigned chars.
1224 (_cpp_lex_line): Tidy up the switch statement.
1225 * cpplib.h: Implement spell_char with spell_string.
1228 2000-04-26 <RodneyBrown@pmsc.com>
1230 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1231 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1233 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1235 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1236 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1237 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1238 dwarf2out_return_save, dwarf2out_return_reg,
1239 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1240 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1241 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1243 * dwarf2out.h (dwarf2out_init): Likewise.
1245 * dwarfout.c (filename_entry, primary_filename, last_filename,
1246 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1248 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1249 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1250 dwarf2out_return_reg): Likewise.
1252 2000-04-26 Andreas Jaeger <aj@suse.de>
1254 * extend.texi (Function Attributes): Fix description of pure
1257 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1259 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1260 before calling rest_of_compilation.
1262 2000-04-26 Andreas Jaeger <aj@suse.de>
1264 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1267 2000-04-25 Richard Henderson <rth@cygnus.com>
1269 * cse.c (cse_insn): Emit barrier after unconditional jump.
1271 * calls.c (expand_call): Disable tail call generation once
1272 rtx_equal_function_value_matters is false.
1274 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1277 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1279 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1281 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1283 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1284 is the primary DIE for a member function.
1285 (gen_decl_die): Call set_decl_origin_self here.
1286 * dwarfout.c (output_decl): And here.
1287 * integrate.c (output_inline_function): Not here.
1288 Don't clear DECL_INLINE until after calling rest_of_compilation.
1289 (set_decl_origin_self): No longer static.
1290 * tree.h: Add prototype.
1291 * toplev.c (note_deferral_of_defined_inline_function): Only write
1292 out abstract instance for actual inlines.
1294 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1296 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1297 EXTENDED_REGS only if TARGET_AM33.
1298 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1299 SP_REGS to register allocation and reloading unless absolutely
1301 (movsi3): Remove special-case of adding non-constants to SP.
1303 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1305 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1306 INCLUDES to search and does not provide any of its own. Also it
1307 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1308 parameters. Also it does not call AC_DEFINE.
1309 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1310 AC_DEFINE and provides for automatic entries for autoheader.
1311 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1313 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1314 so we can pass -I flags and include gansidecl.h/system.h in this
1317 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1319 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1321 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1322 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1323 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1325 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1326 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1327 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1328 for these macros. Clean up spacing and linewraps.
1330 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1332 * calls.c (expand_call): Use get_callee_fndecl.
1334 * print-tree.c (print_node): Print the chain of an _EXPR.
1336 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1337 Jim Wilson <wilson@cygnus.com>
1338 Andrew Haley <aph@cygnus.com>
1340 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1341 and gp save/restore problems.
1342 * config/ia64/crtend.asm: Add IA-64 unwind support.
1343 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1344 in fr_pad_size calculation.
1345 (save_restore_insns): Move PR save area. Correct uses of
1346 RTX_FRAME_RELATED_P.
1347 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1348 (ia64_expand_epilogue): Add eh_epilogue support.
1349 (ia64_function_prologue): Emit .prologue directive.
1350 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1351 (ia64_override_options): Set init_machine_status and
1352 mark_machine_status.
1353 (rtx_needs_barrier): Handle bsp reads and writes.
1354 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1355 New static variables.
1356 (process_set, process_for_unwind_directive): New functions.
1357 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1358 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1359 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1361 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1362 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1363 (struct machine_function): Define.
1364 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1366 2000-04-25 Bruce Korb <bkorb@gnu.org>
1368 * fixinc/Makefile.in: make the removal of old programs more
1370 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1371 install-bin and install-sh
1373 2000-04-25 Nick Clifton <nickc@cygnus.com>
1375 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1376 defined, define to return zero.
1377 (function_cannot_inline_p): If a function has any target
1378 specific attributes, then use the macro
1379 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1380 whether it can be inlined. If it cannot, issue a suitable
1383 * tm.texi: Add a new node 'Inlining' to document the new macro
1384 FUNCTION_ATTRIBUTE_INLINABLE_P.
1386 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1388 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1391 2000-04-25 Neil Booth <NeilB@earthling.net>
1393 Restore previous patch, plus the following fixes:
1395 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1396 flags, not CPP_OPEN_PAREN.
1397 * cpplex.c (expand_token_space, init_token_list,
1398 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1399 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1401 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1403 * config/i386/freebsd.h (INT_ASM_OP): Define.
1405 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1407 * loop.c (strength_reduce): Fix typo in the last checkin.
1409 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1411 * stor-layout.c (finalize_record_size): Simplify to use existing
1413 (compute_record_mode): No longer static.
1414 * tree.h (compute_record_mode): New declaration.
1416 2000-04-25 Neil Booth <NeilB@earthling.net>
1418 * Revert my patch below until cause of build failures
1421 2000-04-25 Richard Henderson <rth@cygnus.com>
1423 * combine.c (combine_instructions): Add missing argument
1426 * toplev.c (rest_of_compilation): Delay sibcall optimization
1427 until after emit_eh_context.
1429 2000-04-24 Nick Clifton <nickc@redhat.com>
1431 * combine.c (combine_instructions): Do not try to combine a
1432 sequence of insns when the second insn has been replaced by a
1435 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1437 * gcc.c (load_specs): New static function.
1438 (read_specs): Use it.
1440 * gcc.c (lookup_compiler): Make multiple passes for case
1441 insensitive filesystems.
1443 2000-04-24 Neil Booth <NeilB@earthling.net>
1445 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1446 * cpphash.h (_cpp_check_directive): new.
1447 * cpplex.c (handle_newline, cpp_free_token_list,
1448 init_trigraph_map, trigraph_ok, trigraph_replace,
1449 backslash_start, skip_block_comment, skip_line_comment,
1450 skip_whitespace, parse_name, parse_number, parse_string,
1451 copy_comment, _cpp_lex_line, spell_char, spell_string,
1452 spell_comment, spell_name, spell_other, _cpp_lex_file,
1453 _cpp_output_list): new.
1454 (expand_name_space): take length argument.
1455 (init_token_list): add comment list initialisation.
1456 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1457 instead of HSPACE_BEFORE.
1459 * cpplib.c (_cpp_check_directive): new
1460 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1461 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1462 (HSPACE_BEFORE): delete.
1463 (TTYPE_TABLE): rearrange.
1464 (struct cpp_toklist): update.
1466 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1468 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1469 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1470 argument form of AC_DEFINE.
1472 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1473 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1474 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1475 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1476 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1478 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1480 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1482 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1483 deduced.h): Use -isystem, not -I, for including system headers.
1485 2000-04-24 Nick Clifton <nickc@cygnus.com>
1487 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1488 the source register is the frame pointer or arg pointer.
1489 (addsi3_small_int): Disallow if source register is the frame
1490 pointer or arg pointer.
1492 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1494 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1495 call to AC_MSG_RESULT.
1497 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1499 * invoke.texi: Correct grammatical errors, document
1500 -fno-gnu-keywords as identical to -fno-asm for C++.
1502 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1504 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1505 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1506 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1507 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1508 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1510 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1511 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1512 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1513 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1516 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1518 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1519 (pop_alignment): Likewise.
1520 (handle_pragma_token): Likewise.
1522 2000-04-24 Robert Lipe <robertlipe@usa.net>
1524 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1526 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1528 * combine.c (try_combine): Update reg_nonzero_bits of
1529 newi2pat before newpat.
1531 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1533 * loop.c (strength_reduce): Simplify test to INSN_P.
1534 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1535 expressions instead of CONST_INT.
1536 (express_from_1): Likewise.
1538 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1540 * regs.h (reg_n_max): Don't declare.
1541 * flow.c (reg_n_max): Don't define.
1542 * regclass.c (renumber): Don't initialize to zero.
1543 (regno_allocated): Likewise.
1544 (reg_n_max): Define.
1545 (allocate_reg_info): Don't initialize unnecessarily.
1547 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1549 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1550 and blockage_p in the newly allocated attribute.
1552 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1554 * config/mn10300/mn10300.md (addsi): `inc4' on address
1555 registers does not modify cc, but `inc' on an extended
1558 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1560 * reload.c (find_equiv_reg): Checks all valueno regs
1561 as a reload_reg_p regs.
1563 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1565 * cpphash.c (collect_objlike_expansion): Add sanity check.
1566 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1567 the buffer is the empty string, return. Mark __DATE__ and
1568 __TIME__ as XCONST nodes, not MCONST.
1569 (_cpp_macroexpand): Avoid pushing an empty buffer.
1570 (funlike_macroexpand): Don't pop token_buffer here.
1572 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1574 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1575 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1576 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1577 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1578 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1579 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1580 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1582 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1584 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1587 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1589 * cpphash.h (struct definition): Move file, line, col members...
1590 (struct hashnode): ... here. Also add 'disabled' flag.
1591 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1592 T_IDENTITY. Remove T_DISABLED.
1595 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1596 (collect_expansion): Split into collect_objlike_expansion and
1597 collect_funlike_expansion.
1598 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1599 funlike_macroexpand.
1600 (_cpp_compare_defs): Rename compare_defs, make static.
1601 (_cpp_make_hashnode): Initialize hp->disabled.
1602 (macro_cleanup): Adjust for new token types. Clear
1604 (_cpp_create_definition): Move code here to determine what
1605 sort of macro it is, and code to check for redefinitions, from
1606 do_define. Implement a few simple cases without creating a
1608 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1609 Handle the simple cases.
1610 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1613 * cppinit.c (builtin_array): Change MCONST to XCONST
1615 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1616 fix check for disabled and function-like macros.
1617 * cpplib.c (do_define): Move most logic to
1618 _cpp_create_definition.
1619 (do_undef): Handle new special token types.
1621 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1623 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1624 of CONSTANT_P for mult_val; always use validate_change to update insn.
1626 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1628 * cpphash.c (trad_stringify, add_pat): New functions.
1629 (collect_expansion): Restore support for -traditional syntax.
1630 Use trad_stringify and add_pat.
1631 (_cpp_macroexpand): Restore support for -traditional semantics.
1632 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1633 get a COMMENT token.
1634 (_cpp_lex_token): Provide COMMENT tokens to caller if
1635 traditional and parsing_define_directive.
1636 (skip_comment): Warn about // comments if -Wtraditional.
1637 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1639 (do_undef): Don't warn about undefining EMPTY nodes.
1641 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1643 * loop.c (strength_reduce): Fix biv removal code.
1645 2000-04-22 Richard Henderson <rth@cygnus.com>
1647 * predict.c (estimate_probability): Examine both sides of
1648 a branch for no exits. Use 90% not 50% for predict taken.
1649 Reorg for one copy of note generation code.
1651 2000-04-22 Richard Henderson <rth@cygnus.com>
1653 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1655 2000-04-22 Richard Henderson <rth@cygnus.com>
1657 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1658 (output_clear): Likewise.
1659 (output_printf): Use va_copy.
1660 (vline_wrapper_message_with_location): Likewise.
1661 (v_message_with_decl): Likewise.
1662 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1663 * system.h (va_copy): Provide default implementation.
1665 2000-04-22 Richard Henderson <rth@cygnus.com>
1667 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1668 the collected condition is not a constant.
1670 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1672 * diagnostic.h: New file.
1674 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1676 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1677 various function prototypes.
1678 (diagnostic.h): #include.
1679 (struct output_buffer): Move into diagnostic.h.
1680 (get_output_prefix): Rename to output_get_prefix. Export.
1681 (init_output_buffer): Export. Break out. Ajust intialization.
1682 (output_space_left, output_append): Export.
1683 (output_newline): Rename to output_add_newline. Export.
1684 (output_clear): Nullify additional output_buffer fields.
1685 (output_puts): Rename to output_add_string. Export.
1686 (dump_output): Rename to output_flush_on. Export.
1687 (build_location_prefix): Constify return-type.
1688 (emit_output_prefix): Rename to output_emit_prefix. Export.
1689 (set_real_maximum_length): New function.
1690 (output_set_maximum_length): Ditto
1691 (output_clear): Ditto.
1692 (output_add_character): Ditto.
1693 (output_add_integer): Ditto.
1694 (output_add_space): Ditto.
1695 (output_format): Ditto.
1696 (output_printf): Adjust buffer initialization.
1697 (vline_wrapper_message_with_location): Ditto.
1698 (v_message_with_decl): Ditto. Adjust call to output_puts
1699 and get_output_prefix.
1700 (default_print_error_function): Adjust buffer intialization.
1702 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1704 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1707 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1709 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1712 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1714 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1715 accurate data about SP moves.
1717 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1719 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1720 aliases to AM33 registers.
1722 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1724 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1725 to all EXTENDED bitmaps.
1727 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1729 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1730 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1731 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1733 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1735 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1736 the operand is not constant.
1738 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1740 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1741 as a call-clobbered regs.
1743 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1745 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1747 * rtl.def: Update comment.
1748 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1749 * integrate.c (expand_inline_function): Likewise.
1750 * profile.c (branch_prob): Likewise.
1751 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1752 * print-rtl.c (print_rtx): Likewise.
1753 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1754 (reemit_notes): Likewise; also use enum insn_note.
1756 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1757 (place_field): Properly compute know and actual alignment.
1759 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1762 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1765 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1767 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1768 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1769 (collect_expansion): Rewrite to scan over a token list.
1770 Remove -traditional support.
1771 (collect_formal_parameters): Rename to collect_params; rewrite
1772 to scan over a token list.
1773 (_cpp_create_definition): Adjust to scan a token list.
1774 (_cpp_macroexpand): Remove -traditional support.
1775 (_cpp_compare_defs): Whitespace is now canonicalized.
1776 (comp_def_part): Delete function.
1778 * cpphash.h: Update prototypes.
1779 * cpplex.c (init_token_list): Don't set lineno if there is no
1781 (pedantic_whitespace): New function.
1782 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1783 consume a newline. Use pedantic_whitespace.
1784 (_cpp_lex_token): Remove support for -traditional macros.
1785 (_cpp_get_define_token): Delete.
1786 (_cpp_get_directive_token): Do the real work here. Use
1787 pedantic_whitespace.
1788 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1790 * cpplib.c (get_macro_name): Delete.
1791 (do_define): Read the entire line into pfile->directbuf, then
1792 feed the token list to _cpp_create_definition.
1793 * cpplib.h (HSPACE_BEFORE): new define.
1794 (struct cpp_reader): Add a toklist member, "directbuf".
1796 * predict.c (estimate_probability): New heuristic: if a jump
1797 branches around a block with no successors, predict it taken.
1798 Disentangle control flow.
1800 2000-04-20 Richard Henderson <rth@cygnus.com>
1802 * loop.c (emit_iv_add_mult): Revert last change.
1804 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1806 * cpplib.h (enum cpp_ttype): Add token types for all
1807 punctuators. Distinguish pp-numbers from valid C numbers.
1808 Give some tokens better names. Initialize from macro.
1809 (struct cpp_name, cpp_token, cpp_toklist): New data
1812 * cpplex.c (bump_column, expand_name_space,
1813 expand_token_space, init_token_list, cpp_output_list,
1814 _cpp_scan_line): New functions.
1815 (output_line_command): Add third argument, new line number.
1816 * cpphash.h: Update prototypes.
1817 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1820 2000-04-20 Richard Henderson <rth@cygnus.com>
1822 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1824 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1826 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1829 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1831 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1832 REG_EQUAL note explaining the calculated value.
1834 * calls.c (expand_call): Avoid unnecesary precalculation
1835 and outgoing parameters space guarding for sibling calls.
1836 (store_one_arg): Likewise.
1838 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1840 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1841 (rest_of_compilation): Write sibling dump file and account
1842 for time as jump time.
1843 * invoke.texi: Update documentation on dump flags.
1845 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1847 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1849 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1851 * cpphash.c (special_symbol): Represent an empty macro with
1852 "\r \r " not just "\r ".
1853 (_cpp_macroexpand): Correct condition for the foo ( ) special
1855 (unsafe_chars): Handle EOF as second argument.
1856 (push_macro_expansion): Simplify test for removing escape at
1857 end. Do not trim both escapes if there is no text in between.
1859 2000-04-19 Jim Blandy <jimb@redhat.com>
1861 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1862 of PTR_SIZE, when appropriate.
1864 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1866 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1867 (USE_ENUM_BITFIELDS): Fix typo.
1869 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1871 * stor-layout.c (place_field): Set rli->offset_align properly.
1873 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1875 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1876 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1877 PARM_BOUNDARY): Remove unnecessary casts.
1879 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1881 * calls.c (precompute_arguments): Remove must_preallocate and
1883 (expand_call): Update call of precompute_arguments.
1885 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1886 check_insn_for_givs): Break out from ...
1887 (strength_reduce) ... here; use for_every_insn_in_loop to call
1888 check_insn_for_givs.
1889 * loop.h (for_every_insn_in_loop): Declare.
1890 (loop_insn_callback): New type.
1892 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1894 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1897 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1899 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1902 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1904 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1906 * configure.in: Delete --disable-cpplib option and all
1907 references to cpp_main.
1908 * configure: Regenerate.
1909 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1910 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1911 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1912 cpp$(exeext). Add --no-headers to makeinfo command line when
1913 generating INSTALL. Install and uninstall cpp.1 manpage, not
1915 * install.texi: Delete all references to cexp.y/cexp.c.
1916 Delete ancient instructions for compiling GCC on 3b1.
1917 * INSTALL: Regenerate.
1919 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1920 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1921 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1923 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1924 which is no longer tested anywhere.
1926 * cppinit.c (handle_option): Don't run error message through
1929 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1931 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1932 * cpperror.c (hashtab.h): Now include.
1933 * cppexp.c (hashtab.h): Likewise.
1934 * cpplex.c (hashtab.h): Likewise.
1935 * cppfiles.c (hashtab.h): Likewise.
1936 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1937 to htab_find_slot_with_hash.
1938 * cpphash.c (hashtab.h): Now include.
1939 (_cpp_lookup_slot): INSERT is now enum insert_option.
1940 * cpphash.h (_cpp_lookup_slot): Likewise.
1941 * cppinit.c (hashtab.h): Include earlier.
1942 (initialize_builtins): Pass enum to htab_find_slot.
1943 * cpplib.c (hashtab.h): Now include.
1944 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1945 (do_pragma_poison, do_assert): Likewise.
1946 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1947 htab_find_slot_with_hash.
1948 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1949 * tree.c (type_hash_add): Likewise.
1950 (build1): Minor cleanup.
1952 * ggc-common.c: Add missing blanks.
1953 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1954 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1956 * stmt.c (mark_case_node): New function.
1957 (mark_case_nesting): Call it.
1959 * expmed.c (emit_store_flag): If comparing two-word integer
1960 with zero, can optimize NE, EQ, GE, and LT.
1962 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1963 * conflict.c: Minor cleanups.
1964 * optabs.c: Add blank line
1965 * simplify-rtx.c: Minor cleanups.
1967 2000-04-18 Stan Cox <scox@cygnus.com>
1969 * gengenrtl.c (genlegend): Fix misspelling.
1971 2000-04-18 Robert Lipe <robertlipe@usa.net>
1973 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1974 bitfields of the host compiler are not signed quantities.
1975 * config.in: Regenerate.
1976 * configure: Regenerate.
1977 * system.h (USE_ENUM_BITFIELDS): Added.
1978 (ENUM_BITFIELDS): Added.
1979 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1980 (SHORT_ENUM_BUG): Deleted.
1981 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1983 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1984 (CODE_FIELD_BUG): Likewise.
1985 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1987 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1989 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1991 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1994 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1996 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1997 * cpplib.c (do_include, do_import, do_include_next,
1998 read_line_number, detect_if_not_defined): Likewise.
1999 * cpphash.c (collect_expansion): Likewise.
2000 (special_symbol, _cpp_macroexpand): Check return from
2002 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
2003 macros. Delete all uses.
2005 * gcc.dg/cpp-mi.c: Add two more test cases.
2006 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
2008 2000-04-17 Richard Henderson <rth@cygnus.com>
2010 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
2011 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
2013 2000-04-17 Mark Mitchell <mark@codesourcery.com>
2015 * function.c (expand_function_start): Use hard_function_value to
2016 compute the RTL to use for DECL_RESULT.
2018 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2020 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
2021 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2022 x86_memory_mismatch_stall): New global variables.
2023 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
2024 alloved; fix load penalties for Athlon.
2025 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2026 x86_memory_mismatch_stall): Declare.
2027 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
2028 TARGET_MEMORY_MISMATCH_STALL): New.
2029 * i386.md (athlon scheduling parameters): Fix latencies according to
2030 Athlon Optimization Manual.
2031 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
2033 (fsqrt instruction patterns): Set athlon_decode to direct.
2034 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
2035 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
2036 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
2037 and TARGET_PARTIAL_REGISTER_STALL machines.
2038 (pushdf_nointeger): New pattern.
2039 (pushdf_integer): Rename from pushdf.
2040 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
2041 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
2043 2000-04-17 Richard Henderson <rth@cygnus.com>
2045 * loop.c (canonicalize_condition): Add WANT_REG argument.
2046 Stop the search if we match it.
2047 * expr.h (canonicalize_condition): Update decl.
2048 * predict.c (expected_value_to_br_prob): Use it. Track last
2049 expected value note.
2050 (find_expected_value): Remove.
2052 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
2054 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2056 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
2057 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
2059 * configure.in: Call AC_FUNC_MMAP_FILE.
2060 * configure: Regenerate.
2061 * config.in: Regenerate.
2063 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
2064 * fixinc/fixincl.c: Likewise.
2066 2000-04-17 Richard Henderson <rth@cygnus.com>
2068 * builtins.c (expand_builtin_expect): New.
2069 (expand_builtin): Call it.
2070 * builtins.def (BUILT_IN_EXPECT): New.
2071 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
2072 * extend.texi: Document it.
2074 * predict.c (expected_value_to_br_prob): New.
2075 (find_expected_value): New.
2076 * basic-block.h (expected_value_to_br_prob): Declare.
2077 * toplev.c (rest_of_compilation): Invoke it.
2079 * rtl.h (NOTE_EXPECTED_VALUE): New.
2080 (NOTE_INSN_EXPECTED_VALUE): New.
2081 * rtl.c (note_insn_name): Update.
2082 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
2083 cases; handle NOTE_INSN_EXPECTED_VALUE.
2085 2000-04-17 Jakub Jelinek <jakub@redhat.com>
2087 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
2088 leaf sibcall delay slot if flag_pic.
2089 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
2091 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2093 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
2095 * fixproto: If fix-header fails, exit with an error.
2097 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2099 * cse.c (struct check_depdendence_data): New.
2100 (check_dependence): New function.
2101 (invalidate): Use check_depdenence.
2103 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2105 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
2106 UNITS_PER_WORD is unsigned.
2108 * tree.h (struct tree_common): Remove misleading comment.
2110 2000-04-16 Dave Pitts <dpitts@cozx.com>
2112 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
2113 message in quotes. Otherwise, IBM's make program treats the '#' as the
2114 start of a comment and ignores the remainder of the line.
2116 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
2118 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
2119 * cexp.y (initialize_random_junk): Likewise.
2120 * cppfiles.c (find_include_file): Cast alloca return value.
2121 * cppinit.c (initialize_standard_includes): Likewise.
2122 * cpplib.c (cpp_define, cpp_undef): Likewise.
2123 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
2124 * final.c (output_asm_insn): Allow for holes in EBCDIC.
2125 * fold-const.c (CHARMASK): New.
2126 (real_hex_to_f): Use it.
2127 * real.c (CHARMASK): New.
2128 (etoasc, asctoeg): Use it.
2129 (asctoeg): EBCDIC lower case characters preceed upper case.
2131 * i370.c (mvs_add_label): Change spacing for coding conventions.
2132 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
2133 outputing case vectors.
2134 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
2135 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
2136 since vector in in the data CSECT.
2137 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
2138 * i370.md (Many patterns): Put the length in the XL directives.
2139 (movdi): Put back STM and MVC in definition.
2140 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
2141 pattern using the TCA.
2142 * oe.h (CPP_SPEC): Added to allow trigraphs.
2143 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
2144 not support the "long long" type.
2146 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2148 * config/mips/mips-protos.h (mips_legitimate_address_p): New
2150 (mips_reg_mode_ok_for_base_p): Likewise.
2151 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
2152 (REG_OK_FOR_INDEX_P): Define unconditionally.
2153 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
2154 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
2155 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
2156 that GET_MODE_SIZE is unsigned.
2157 (mips_reg_mode_ok_for_base_p): Define.
2158 (mips_legitimate_address_p): Likewise. Adjust now
2159 that GET_MODE_SIZE is unsigned.
2160 (block_move_loop): Make the number of bytes unsigned.
2161 (expand_block_move): Likewise.
2162 (function_arg): Make the loop counter unsigned to match the
2165 2000-04-16 Richard Henderson <rth@cygnus.com>
2167 * rtl.h (enum insn_note): New enumeration. Subsume
2168 NOTE_INSN_DELETED and friends.
2169 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
2170 * rtl.c (note_insn_name): Tweak string order.
2172 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
2174 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
2177 * cpplex.c (output_line_command): Remove debugging prints.
2178 (cpp_output_tokens): Don't write out a zero-length buffer or
2179 try to see if it has a newline in it.
2180 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
2181 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
2182 the end of the loop. Use memmove. Don't read past the end of
2183 the buffer. Remove trailing newlines from error messages.
2185 2004-04-16 Neil Booth <NeilB@earthling.net>
2187 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2188 * cpplib.c: Add new syntax flags to directive table, and
2191 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2193 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2196 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2198 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2199 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2201 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2203 * Makefile.in (ggc-page.o): Now includes toplev.h.
2204 * ggc-page.c (toplev.h): Now included.
2205 (gc_time): Remove declaration.
2206 (ggc_collect): TIME now long.
2207 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2209 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2211 * toplev.c: Make *_time variable long to reduce chance of overflow.
2212 (TIMEVAR): Likewise for `otime'.
2213 (print_time): Arg is now long; compute percentage in FP and round.
2214 * toplev.h (print_time): Arg is long.
2216 * tree.c: Minor whitespace changes.
2218 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2219 * configure: Rebuilt.
2220 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2221 (__fixunsxfDI): Renamed from __fixunsxfdi.
2222 (__fixunsdfDI): Renamed from __fixunsdfdi.
2223 (__fixunssfDI): Renamed from __fixunssfdi.
2224 (__floatdisf): Use proper type in REP_BIT macro.
2225 (__fixunsxfSI): Renamed from __fixunsxfsi.
2226 (__fixunsdfSI): Renamed from __fixunsdfsi.
2227 (__fixunssfSI): Renamed from __fixunssfsi.
2228 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2229 Change location of macros and upper-case some names as above.
2230 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2231 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2233 * varasm.c (assemble_variable): Add cast to remove warning.
2234 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2236 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2237 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2238 region number to -1.
2240 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2242 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2243 call unshare_all_rtl.
2245 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2247 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2249 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2250 Use .s1 not .s0 for all FP instructions.
2252 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2254 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2256 (safe_fwrite, output_line_command): New static functions.
2257 (cpp_expand_to_buffer): Now private to cpplib.
2258 (cpp_scan_buffer): Take a printer.
2260 * cpphash.h: Update prototypes.
2261 * cpplib.h: Update prototypes.
2263 (cpp_buffer): Remove last_nominal_fname.
2264 (cpp_reader): Remove lineno.
2266 * cppmain.c: Use a cpp_printer.
2267 * fix-header.c: No need to inhibit line commands. Call
2268 cpp_start_read with no printer.
2270 * cpperror.c (cpp_notice_from_errno): Provide default name.
2271 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2272 (find_include_file, cpp_read_file): Use make_IHASH.
2273 (file_cleanup): Set control_macro and clear
2274 input_stack_listing_current here.
2275 (_cpp_execute_include): Don't output entering-file marker.
2276 * cpphash.c (special_symbol): Look for the line number in the
2277 buffer, not the reader.
2278 (_cpp_macroexpand): No need to disable line commands.
2279 (_cpp_dump_definition): No need to generate line commands.
2280 (dump_hash_helper): Remove excess newline from output.
2281 * cppinit.c (dump_special_to_buffer): No need to generate line
2283 (cpp_printer_init): New.
2284 (cpp_start_read): Take a printer, and start it up if it's not
2285 NULL. No need to generate line commands.
2286 (cpp_finish): Expect no buffers stacked at all. Take a
2287 printer argument, and flush the output buffer if it's not
2289 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2290 Don't put two hashes at the beginning of an assertion.
2291 (cpp_get_token): Don't increment pfile->lineno or emit line
2292 commands here. Return EOF if there's no buffer when we get
2294 * cpplib.c (do_define, skip_if_group):
2295 No need to disable line commands.
2296 (_cpp_output_line_command): Delete function.
2297 (do_line): Don't emit line commands here, but set things up so
2298 they will be emitted if necessary. Use _cpp_fake_ihash to
2299 make unique nominal_fnames if necessary.
2300 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2301 with 0 for column, not -1.
2302 (_cpp_handle_eof): Don't set the control macro here. Don't
2303 clear input_stack_listing_current here. Don't emit line
2306 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2308 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2309 always, use the default SVR4 start address.
2311 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2312 (LINK_SHLIB_SPEC): Define.
2313 (LINK_START_DEFAULT_SPEC): Define.
2314 (LINK_OS_DEFAULT_SPEC): Define.
2316 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2318 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2319 __do_global_ctors to handle constructors.
2320 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2321 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2322 (STARTFILE_MVME_SPEC): Likewise.
2323 (STARTFILE_SIM_SPEC): Likewise.
2324 (ENDFILE_ADS_SPEC): Use crtend.
2325 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2326 (ENDFILE_MVME_SPEC): Likewise.
2327 (ENDFILE_SIM_SPEC): Likewise.
2328 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2329 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2330 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2331 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2332 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2333 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2334 (CRTSTUFF_T_CFLAGS_S): Define.
2335 * config/rs6000/eabi-ctors.c: Delete.
2337 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2340 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2344 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2346 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2347 plus mask size is smaller or equal to the mode size.
2349 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2351 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2354 * expr.c (reload.h): Now included.
2355 (emit_block_move): Set volatile_ok when checking for movstr.
2356 (emit_move_1): Check for replacements in addresses in multi-word case.
2357 * Makefile.in (expr.o): Now includes reload.h.
2359 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2360 Never have a LIBCALL end a basic block.
2361 (find_basic_blocks_1): Likewise.
2362 Reorganize CALL_INSN cases.
2364 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2366 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2368 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2369 completers from mov.ret instruction.
2371 2000-04-14 Richard Henderson <rth@cygnus.com>
2373 * fold-const.c (extract_muldiv): Don't distribute and widen
2374 multiply across plus for non-sizetype unsigned types.
2376 2000-04-14 Richard Henderson <rth@cygnus.com>
2378 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2379 If the original source is dead in the incr insn, it's dead now.
2381 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2383 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2384 see if DECL_BIT_FIELD needs to still be set.
2386 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2388 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2389 print_int_cst_octal with something that's not an INTEGER_CST.
2391 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2392 and not a SUBREG to a FLOAT rtl.
2394 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2396 * emit-rtl.c (try_split): Avoid infinite loop if the split
2397 results in a sequence that contains the original insn.
2399 2000-04-13 Andreas Jaeger <aj@suse.de>
2401 * config/mips/mips.c (expand_block_move): Pass alignment
2402 argument to move_by_pieces in bits, not bytes.
2404 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2405 __pic__ for little endian.
2407 2000-04-13 Andreas Jaeger <aj@suse.de>
2409 * config/i386/i386-protos.h: Add prototype for
2410 uno_comparison_operator.
2412 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2414 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2415 * calls.c (ECF_PURE): New flag.
2416 (emit_call_1): Handle ECF_PURE calls.
2417 (initialize_argument_information): Unset ECF_PURE flag too.
2418 (precompute_arguments): Precompute for ECF_PURE too.
2419 (expand_call): Handle ECF_PURE calls too.
2420 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2421 accept value of 2 as pure function.
2422 (emit_library_call_value, emit_library_call): Rename no_queue argument
2424 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2426 * tree.h (DECL_IS_PURE): New macro.
2427 (struct tree_decl): Add pure_flag.
2428 * c-common.c (enum attrs): Add attribute "pure".
2429 (init_attributes): Initialize attribute "pure"
2430 (decl_attributes): Handle attribute "pure".
2431 * extend.texi (Attribute "pure"): Document.
2432 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2434 (flags_from_decl_or_type): Support attribute "pure".
2436 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2438 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2439 the token except for numbers and identifiers.
2441 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2443 * i386.c (ix86_expand_binary_operator,
2444 ix86_expand_unary_operator): Check no_new_pseudos
2445 instead of reload_in_progress and reload_completed.
2446 (ix86_split_ashldi, ix86_split_ashrdi,
2447 ix86_split_lshrdi): Check no_new_pseudos instead
2448 of reload_completed.
2450 2000-04-12 Jeffrey A Law (law@cygnus.com)
2452 * function.c (purge_addressof): Unshare any shared rtl created by
2453 purge_addressof and its children.
2455 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2457 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2460 2000-04-05 Andreas Jaeger <aj@suse.de>
2462 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2463 not compiling PIC code, add flags for mabi=64.
2464 (SUBTARGET_CPP_SIZE_SPEC): New.
2465 (SUBTARGET_CPP_SPEC): New.
2466 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2467 for MIPS/Linux and lots of code needs these defines.
2469 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2471 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2472 trying the "opposite arithmetic" approach.
2474 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2476 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2477 (struct sh_args): Add new field force_mem.
2478 (INIT_CUMULATIVE_ARGS): Initialize it.
2479 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2481 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2483 * calls.c (expand_call): Do not reverse args in "equal from" field.
2484 (emit_library_call_value_1): Emit_libcall_block for const and pure
2487 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2489 * reload1.c (reload_combine): Don't enable optimization for fixed
2490 registers when encountering a BARRIER.
2492 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2494 * builtins.c (expand_builtin_memcmp): Do expansion even with
2495 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2497 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2498 stack is propertly aligned; add sanity checking for aligned
2500 (expand_library_call_value_1): Add sanity checking for aligned
2503 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2505 * calls.c (emit_library_call_value_1): Change 3rd arg to
2506 locate_and_pad_parm to disregard the setting of partial.
2508 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2510 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2512 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2513 CALL_INSN from the normal case.
2515 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2517 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2518 New global variables.
2519 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2521 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2523 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2524 TARGET_ADD_ESP_8): New macros.
2525 * i386.md: Add peep2s to convert esp adjustments to push and pop
2527 (pushsi_prologue, popsi_epilogue): New patterns.
2529 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2531 * real.c (toe64): Remove stale #endif from the last change.
2533 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2535 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2536 * real.c (toe64): Revert previous change.
2538 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2540 * objc/objc-act.c: Include ggc.h.
2541 (objc_tree_index, objc_global_trees): Convert most of the
2542 static tree variables into a static array with previous names
2544 (objc_ellipsis_node): New variable.
2545 (lang_init): Call objc_act_parse_init and c_parse_init.
2546 Create objc_ellipsis_node.
2547 (build_selector_translation_table): Use objc_ellipsis_node instead
2549 (hack_method_prototype): Likewise.
2550 (get_arg_type_list): Likewise.
2551 (start_method_def): Likewise.
2552 (continue_method_def): Likewise.
2553 (gen_method_decl): Likewise.
2554 (ggc_mark_imp_list): New function.
2555 (ggc_mark_hash_table): New function.
2556 (objc_act_parse_init): New function.
2557 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2558 * c-parse.in (c_parse_init): For objc add roots of objc specific
2559 local tree variables.
2560 * objc/objc-parse.y: Rebuilt.
2561 * objc/objc-parse.c: Rebuilt.
2562 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2564 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2566 * cse.c (delete_trivially_dead_insns): Also delete insns
2567 that copy a register to itself where the destination is
2570 2000-04-11 Richard Henderson <rth@cygnus.com>
2572 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2573 (propagate_block): Initialize them. Use them in parallel instead
2574 of one tmp variable, ie revert much of the 0408 and 0407 functional
2575 changes, but keep the structural changes.
2576 (mark_set_regs): Take new_dead from propagate_block_info instead.
2577 (mark_set_1, mark_set_reg): Likewise.
2578 (mark_used_regs): Likewise with new_live.
2579 (mark_used_reg): Likewise. Revert 0408 change.
2581 2000-04-11 Nick Clifton <nickc@cygnus.com>
2583 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2585 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2587 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2589 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2590 const section to output a CONSTRUCTOR based on the same conditions
2593 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2595 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2596 * pa/pa-protos.h (output_call): Add additional argument indicating
2597 if the call is a sibling/tail call.
2598 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2599 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2600 (function_arg, function_arg_partial_nregs): Likewise
2601 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2602 (emit_move_sequence): Zero extend certain constants as needed
2604 (compute_zdepdi_operands, output_64bit_and): New functions.
2605 (output_64bit_ior, function_arg): Likewise.
2606 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2607 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2608 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2609 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2610 (output_bvb): Likewise.
2611 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2612 (output_call): New argument 'sibcall'. Generate sibcall sequences
2614 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2615 (ouput_arg_descriptor): Do not emit argument descriptors for
2617 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2619 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2620 (FUNCTION_OK_FOR_SIBALL): Define.
2621 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2622 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2623 (CPP_SPEC): Use new spec infrastructure.
2624 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2625 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2626 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2627 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2628 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2629 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2630 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2631 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2632 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2633 (FUNCTION_ARG); Call out to C code.
2634 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2635 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2636 (MIN_UNITS_PER_WORD): Likewise.
2637 * pa/pa.md (cmpdi): New expander.
2638 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2639 (64bit conditional arithmetic): New patterns.
2640 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2641 (movsicc): Not available if modes on all the operands to not match.
2642 (movdicc): New expander and associated patterns.
2643 (64bit branches): New patterns.
2644 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2645 (pre_ldd, post_std): New patterns.
2646 (64bit addil, load low part): New patterns.
2647 (special movsf constant): Not available for TARGET_64BIT.
2648 (movsf, movdf expanders): Force constants into memory.
2649 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2650 (64bit movdf/movdi patterns): New patterns.
2651 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2653 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2654 (adddi3 expander): Allow "arith_operand" for second input.
2655 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2656 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2657 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2658 (muldi3): New expander for TARGET_64BIT.
2659 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2661 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2662 patterns for TARGET_64BIT.
2663 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2664 patterns for TARGET_64BIT.
2665 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2666 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2667 (sibcall_epilogue): New expander.
2668 (casesi): Tweak for TARGET_64BIT.
2669 (call expanders): Set & use the outgoing argument pointer. Use the
2670 64bit call patterns as needed. Add additional arg to output_call.
2671 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2672 (sibcall, sibcall_internal_symref): New expanders.
2673 (sibcall_value, sibcall_value_internal_symref
2674 (interspace_jump): Turn into an expander + matching patterns.
2675 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2676 * pa/pa64-regs.h: Eliminate trigraph sequences.
2677 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2679 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2681 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2682 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2683 cpp_token with cpp_ttype everywhere.
2684 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2685 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2686 CPP_BUF_COL. Line and column numbers are unsigned int, not
2688 * cpplex.c (cpp_buf_line_and_col): Delete.
2689 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2690 'long lineno' to 'unsigned int lineno'.
2691 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2693 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2695 * extend.texi: ISO C99 is not a draft anymore.
2696 * invoke.texi: ISO C++ is not a draft anymore.
2697 * cpp.texi: __cplusplus is required by the ISO standard.
2699 * extend.texi (-fthis-is-variable): Undocument.
2700 * flags.h (warn_template_debugging): Remove declaration.
2701 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2702 -Wenum-clash, -Wtemplate-debugging): Undocument.
2704 2000-04-10 Nick Clifton <nickc@cygnus.com>
2706 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2708 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2710 (ARM_SIGN_EXTEND): Use HOST_UINT.
2711 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2712 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2713 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2714 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2716 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2717 (arm_gen_constant): Use HOST_UINT.
2718 (arm_canonicalize_constant): Use HOST_UINT.
2719 (arm_reload_in_hi): Use HOST_UINT.
2720 (arm_reload_out_hi): Use HOST_UINT.
2721 (output_multi_immediate): Use HOST_UINT.
2722 (int_log2): Use HOST_UINT.
2723 (arm_poke_function_name): Use HOST_UINT.
2724 (arm_output_epilogue): Use arm_volatile_func().
2725 (output_thumb_prologue): Use arm_strip_name_encoding().
2727 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2729 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2730 of sequence point problems.
2732 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2734 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2736 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2738 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2740 * sbitmap.h: Whitespace changes and use upper-case macro args.
2741 (struct simple_bitmap_def): All sizes now unsigned.
2742 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2743 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2744 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2745 (sbitmap_zero): Cast bzero arg to PTR.
2746 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2747 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2748 loop to make structure clearer.
2749 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2750 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2751 (sbitmap_a_and_b_or_c): Likewise.
2752 (sbitmap_intersection_of_succs): Minor cleanups.
2753 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2754 (sbitmap_union_of_preds): Likewise.
2755 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2756 (debug_sbitmap): New function.
2758 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2759 * c-typeck.c (convert_for_assignment): Likewise.
2761 * expmed.c (init_expmed): Don't free objects we make.
2762 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2764 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2765 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2767 * gcse.c (expr_hash_table_size): Now unsigned.
2768 (compute_ae_gen): Local variable `i' now unsigned.
2769 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2770 (compute_transout, hoist_code): Likewise.
2771 (compute_local_properties): Likewise, also hash_table_size.
2772 (alloc_expr_hash_table): N_INSNS now unsigned.
2773 (delete_null_pointer_checks): Mark arg F as unused.
2775 * regrename.c: Minor cleanups, including chang some variables
2778 2000-04-10 Neil Booth <NeilB@earthling.net>
2780 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2782 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2784 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2786 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2787 __classof__, and __headof__ from the list of gnu keywords.
2788 (-ansi): Remove -foperator-names from list of implied options.
2789 Do not call it ANSI C++.
2790 (-foperator-names): Document as -fno-operator-names.
2792 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2794 * cpphash.c (timestamp): Delete.
2795 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2796 (special_symbol): Remove unnecessary braces. Remove
2797 T_VERSION. Treat T_STDC like T_CONST unless
2798 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2799 when one is encountered, then convert them into T_MCONST
2801 * cppinit.c (builtin_array): version_string is T_MCONST.
2802 __STDC__ has a "1" in its cpval. Don't have a terminator
2803 entry. Clean up which entries are dumped.
2804 (initialize_builtins): Only __STDC__ gets the special
2805 -traditional treatment. Count the length of builtin_array.
2806 Render version_string here.
2807 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2808 * cpplib.h (struct cpp_reader): Remove timebuf.
2810 2000-04-09 Richard Henderson <rth@cygnus.com>
2812 * genrecog.c (pred): Update comparison_operator for the unordered
2815 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2817 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2818 (uno_comparison_operator): New.
2819 (put_condition_code): Handle UNORDERED/ORDERED.
2820 (unsigned_comparison): Likewise.
2821 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2822 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2823 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2824 update all callers. Handle all 8 unordered operators.
2825 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2826 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2827 * config/i386/i386.h (PREDICATE_CODES): Update.
2828 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2829 (ix86_expand_branch, ix86_expand_setcc): Update.
2830 * config/i386/i386.md (sunordered, sordered): New.
2831 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2832 (bunordered, bordered): New.
2833 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2834 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2835 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2837 2000-04-09 Philip Blundell <philb@gnu.org>
2839 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2841 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2843 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2844 fix_truncxfhi2): New patterns.
2845 * i386.c (output_fix_trunc): Handle converting to HImode.
2847 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2849 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2851 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2852 (for_each_successor_phi): Change parameter to basic_block.
2853 (coalesce_regs_in_successor_phi_nodes): Likewise.
2854 (coalesce_regs_in_copies): Likewise.
2855 (compute_coalesced_reg_partition): Use basic_block instead of index.
2856 * rtl.h (convert_to_ssa): Delete.
2857 (convert_from_ssa): Likewise.
2858 (successor_phi_fn): Likewise.
2859 (for_each_successor_phi): Likewise.
2860 (in_ssa_form): Likewise.
2861 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2862 (convert_from_ssa): Likewise.
2863 (successor_phi_fn): Likewise.
2864 (in_ssa_form): Likewise.
2865 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2866 * flow.c (calculate_global_regs_live): Pass a basic_block to
2867 for_each_successor_phi.
2869 2000-04-08 Richard Henderson <rth@cygnus.com>
2871 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2872 was modified in the current insn.
2874 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2876 * arm/thumb.md: Delete.
2877 * arm/thumb-protos.h: Delete.
2879 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2881 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2883 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2885 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2888 * arm.md (nop): Use the standard RTL expression. Don't code as a
2890 (*arm_nop, *thumb_nop): Delete.
2892 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2893 constants. Use casts instead.
2894 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2895 output_multi_immediate, arm_poke_function_name): Likewise.
2896 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2897 MASK_RETURN_ADDDR): Likewise.
2899 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2901 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2904 * arm.md (eh_epilogue): New function.
2905 * arm.h (struct machine_function): Move to here ...
2906 * arm.c: ... from here.
2907 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2908 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2909 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2911 2000-03-30 Nick Clifton <nickc@cygnus.com>
2913 * config/arm/semi.h (ASM_SPEC): Restore definition.
2914 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2916 * config/arm/elf.h (ASM_SPEC): Restore definition.
2917 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2919 * config/arm/arm.h (ASM_SPEC): Remove definition.
2920 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2922 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2924 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2926 2000-03-24 Nick Clifton <nickc@cygnus.com>
2928 Various formating tidyups, elimination of compile time
2929 warnings and synchronisation with internal sources:
2931 * config/arm/arm-protos.h (assemble_align): Add prototype.
2932 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2933 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2934 (arm_return_addr_rtx): Rename to arm_return_addr.
2936 * config/arm/arm.c: Include except.h.
2937 Define shorter typenames for strict minipool_node and struct
2939 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2941 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2942 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2944 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2946 (ASM_SPEC): Define if not already defined.
2947 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2949 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2950 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2951 arm_gen_compare_reg.
2952 (indirect_jump): Only accept register operands.
2953 (load_indirect_jump): Keep this pattern since combine can generate
2956 * config/arm/coff.h: Include aout.h.
2957 (MULTILIB_DEFAULTS): Only define if not already defined.
2959 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2960 into arm.h (so that COFF ports can support thumb based aliases).
2961 (ASM_SPEC): Move definition into arm.h
2963 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2964 redundant apcs spec.
2965 (ASM_SPEC): Move definition to arm.h
2967 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2969 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2970 for entries in the .bss section
2972 2000-03-23 Nick Clifton <nickc@cygnus.com>
2974 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2975 to thumb_far_jump_used_p.
2977 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2978 single integer parameter.
2980 * config/arm/arm.c (struct machine_function): Add two new
2981 fields, 'far_jump_used' and 'arg_pointer_live'.
2982 (thumb_far_jump_used_p): Once the decision has been made that
2983 far jumps might be used, always return true.
2984 If being called from the initial elimination offset macro then
2985 do not bother to perform the test if the arg pointer is not
2987 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2988 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2990 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2992 * arm.c (output_return_instruction): Handle more cases where we can
2993 return from a function with an ldr instruction.
2994 (arm_output_epilogue): Likewise.
2996 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2997 if we need to push a large stack frame and there are no callee-saved
3000 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
3001 in ARM code if the frame pointer has been eliminated.
3003 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
3004 unspec_volatile arguments to avoid duplicates.
3005 (consttable_1, consttable_2): Fixes for big-endian mode.
3007 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
3010 Re-write constant pool code.
3011 * arm.c (minipool_node, minipool_fix): New types.
3012 (minifix): Delete type.
3013 (arm_add_minipool_constant): Delete.
3014 (arm_compute_minipool_offsets, arm_find_barrier,
3015 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
3016 (get_jump_table_size): Now returns HOST_WIDE_INT.
3017 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
3019 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
3020 (assign_minipool_offsets, arm_print_value): Likewise.
3021 (dump_minipool): Rewrite.
3022 (arm_barrier_cost): New function.
3023 (create_fix_barrier): New function.
3024 (push_minipool_barrier): New function.
3025 (push_minipool_fix): Record additional information about the fixup
3027 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
3028 check the mode of what needs fixing.
3029 (arm_reorg): Rewrite.
3031 2000-03-08 Nick Clifton <nickc@cygnus.com>
3033 * config/arm/arm.md (indirect_jump): Force constant addresses into
3036 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
3038 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
3040 2000-02-24 Nick Clifton <nickc@cygnus.com>
3042 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
3043 adjust is word aligned.
3044 (thumb_expand_epilogue): Make sure that stack adjust is word
3047 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
3049 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
3051 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
3052 pointer relative addresses.
3054 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
3056 * arm.c (find_barrier): Find the last barrier within the allowed
3059 2000-02-09 Nick Clifton <nickc@cygnus.com>
3061 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
3063 2000-02-09 Nick Clifton <nickc@cygnus.com>
3065 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
3066 ARM_FUNCTION_PROFILER.
3068 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
3069 ARM_FUNCTION_PROFILER.
3071 * config/arm/linux-oldld.h: Imported from mainline sources.
3073 2000-02-07 Nick Clifton <nickc@cygnus.com>
3075 * config/arm/lib1funcs.asm: Merge in thumb functions from
3078 * config/arm/lib1thumb.asm: Delete.
3080 2000-02-04 Nick Clifton <nickc@cygnus.com>
3082 * config/arm/arm.c: Sychronised with current Red hat local
3084 * config/arm/arm.h: Ditto.
3085 * config/arm/arm-protos.h: Ditto.
3087 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
3089 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
3091 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
3094 2000-02-02 Nick Clifton <nickc@cygnus.com>
3096 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
3098 * config/arm/arm.md (epilogue): Fix rtl checking abort because
3099 (return) was emited using an emit_insn() call.
3101 2000-01-31 Nick Clifton <nickc@cygnus.com>
3103 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
3105 (thumb_exit): Move frame pointer back into hard frame pointer
3106 register if backtracing is being used.
3108 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
3110 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
3113 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
3115 * config/arm/arm.md (neg_pool_offset): Provide default for new
3117 (arm_movsi_insn): Add neg_pool_offset attribute.
3118 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
3119 rtx for the insn that starts the scan and an unsigned long for its
3120 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
3121 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
3122 instructions in *PINSERTED.
3123 (struct minipool_fixup): Add MIN_ADDRESS elt.
3124 (sort_fixups): Compute it.
3125 (arm_reorg): Changes to support inserting pools before the insn to be
3128 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
3130 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
3131 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
3132 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
3134 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
3136 * config/arm/semi.h (TARGET_VERSION): Do not define if already
3138 (TARGET_DEFAULT): Do not define if already defined.
3140 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
3142 * config/arm/arm.md (anddi3): Allow disjoint source operands.
3143 (iordi3): Allow disjoint source operands.
3144 (xordi3): Allow disjoint source operands.
3145 (negdi2): Permit construction for ARM and Thumb.
3146 (arm_negdi2): Renamed version of old negdi2 pattern.
3147 (thumb_negdi2): New pattern: Only permit non-overlapping
3148 source and destination.
3150 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
3152 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
3153 scratch low register so that it will not be deleted.
3155 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
3157 * config/arm/pe.h (ARM_PE): Define.
3159 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
3160 interfacearm attribute if this is a PE toolchain.
3161 (output_return_instruction): Do not emit anything if the function
3162 has the naked attribute set.
3163 (is_called_in_ARM_mode): If the function has the interfacearm
3164 attribute then return true.
3165 (thumb_expand_prologue): Do not generate a prologue for naked
3167 (thumb_expand_epilogue): Do not generate an epilogie for a naked
3169 (output_thumb_prologue): Do not bother if the function is naked.
3170 Strip PE encoding from function name before emitting.
3172 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3174 * arm.md (pic_load_addr): Fix constraints.
3176 * arm.md (casesi_insn): Fix mis-applied patch.
3178 * arm.md ("core" function unit): Add rules for single- and
3180 (All TARGET_THUMB patterns): Add "type" attribute information
3182 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3183 the following insn is a CALL.
3185 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3187 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3188 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3189 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3191 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3193 * config/arm/linux-gas.h: oops - this file was missed out when the
3194 branch was created...
3196 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3198 * thumb.c: Deleted. Move contents to ...
3200 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3202 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3205 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3206 declare a prototype for asm_output_align();
3208 * arm.c (thumb_condition_code): Delete.
3209 (arm_print_operand): Always use arm_condition_code array.
3211 * arm.c (thumb_return_addr_rtx): Delete.
3212 (arm_save_machine_status, arm_restore_machine_status): Delete.
3213 (arm_init_machine_status, arm_mark_machine_status): New functions.
3214 (arm_init_expanders): Update accordingly.
3215 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3216 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3217 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3219 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3221 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3223 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3226 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3228 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3229 stack backtrace structure.
3231 * config/arm/arm-protos.h: Add prototypes for functions defined in
3234 * config/arm/arm.c (arm_override_options): Fix selection of
3235 attributes of default processor.
3237 * config/arm/coff.h: Delete needless #include.
3239 * config/arm/pe.c: Delete unused code.
3241 * config/arm/pe.h (CPP_DEFINES): Delete
3242 (SUBTARGET_CPP_SPEC): Define.
3243 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3245 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3247 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3249 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3251 (CAN_DEBUG_WITHOUT_FP): Define.
3252 (FIXED_REGISTERS): Make r11 call-saved.
3253 (CALL_USED_REGISTERS): Likewise.
3254 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3255 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3256 frame-pointer is required.
3257 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3258 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3259 if the target normally needs a stack frame in non-leaf functions.
3260 (use_return_insn): Correct logic for determining when a return
3261 instruction can be used.
3262 (output_return_instruction): Handle the frame-pointer register as
3263 a normal register when not TARGET_APCS_FRAME.
3264 (arm_output_prologue): Likewise.
3265 (arm_output_epilogue): Likewise.
3266 (output_func_epilogue): Likewise.
3267 (arm_expand_prologue): Likewise.
3268 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3270 * arm.c (use_return_insn): No need to check floating point regs if
3272 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3273 the code of value stored in the minipool array.
3274 (arm_add_minipool_constant): Likewise.
3276 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3278 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3280 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3282 * tree.c (tree_expr_nonnegative_p): New function.
3284 * tree.h (tree_expr_nonnegative_p): Declare.
3286 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3287 elide some sign_compare warnings.
3288 (build_conditional_expr): Likewise.
3290 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3292 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3294 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3295 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3296 operand. Abort if a 387 operand has an unsupported size.
3298 2000-04-08 Neil Booth <NeilB@earthling.net>
3300 * cppexp.c (parse_charconst): Null does not end character
3302 * cppinit.c (ISTABLE): Null character handled as whitespace.
3303 * cpplex.c (null_warning): new function.
3304 (skip_string): Emit warning if nulls encountered.
3305 (_cpp_skip_hspace): Emit warning if nulls encountered.
3306 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3310 2000-04-07 Richard Henderson <rth@cygnus.com>
3312 * flow.c (loop_depth): Remove.
3313 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3314 (struct propagate_block_info): New.
3315 (life_analysis): Don't allocate reg_next_use.
3316 (propagate_block_delete_insn): Break out of propagate_block.
3317 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3318 (propagate_block_delete_libcall): Likewise.
3319 (propagate_block): Create a propagate_block_info struct to pass
3320 to subroutines. Allocate one not two temporary regsets. Don't
3321 clobber memory for const calls. Look for clobbers in
3322 CALL_INSN_FUNCTION_USAGE.
3323 (mark_set_regs): Recognize COND_EXEC.
3324 (mark_set_reg): Break out of mark_set_1.
3325 (mark_used_reg): Break out of mark_used_regs.
3326 (mark_used_regs): Recognize COND_EXEC.
3327 (insn_dead_p): Use propagate_block_info struct.
3328 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3329 (find_auto_inc, try_pre_increment_1): Likewise.
3330 (print_rtl_with_bb): Dump regs live at end too.
3331 (count_reg_sets_1): Pass in loop_depth.
3332 (count_reg_sets, count_reg_references): Likewise.
3333 (recompute_reg_usage): Provide it.
3335 2000-04-07 Richard Henderson <rth@cygnus.com>
3337 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3340 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3342 * cpplib.c (do_elif): Skip the rest of the line if we're
3343 not going to bother evaluating it.
3344 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3345 to avoid pointless calls to the lexer.
3347 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3349 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3351 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3353 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3355 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3357 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3359 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3361 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3362 crtend so they can be multilibbed.
3363 (STAGESTUFF): Remove s-crt and s-crtS.
3365 2000-04-07 Richard Henderson <rth@cygnus.com>
3367 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3368 if we discover we need a pseudo and no_new_pseudos is true.
3369 * config/alpha/alpha.md (ne:DI insn): New.
3370 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3372 2000-04-07 Richard Henderson <rth@cygnus.com>
3374 * rtl.def (COND_EXEC): New.
3375 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3376 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3378 * genconfig.c (have_cond_arith_flag): Remove.
3379 (have_cond_exec_flag): New.
3380 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3381 (main): Print HAVE_conditional_execution.
3383 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3384 (sched_analyze_insn, print_pattern): Likewise.
3385 * reload.c (find_equiv_reg): Likewise.
3386 * rtlanal.c (reg_referenced_p): Likewise.
3387 (note_stores, dead_or_set_regno_p): Likewise.
3388 (reg_overlap_mentioned_p): Rewrite to use a switch.
3390 * ggc.h (struct rtx_def): Forward declare.
3392 * print-rtl.c (debug_rtx_range): New.
3393 * rtl.h (debug_rtx_range): Declare.
3395 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3397 * gcse.c (gcse_main): Don't rebuild the CFG here.
3398 (delete_null_pointer_checks): Likewise.
3399 * ssa.c (convert_to_ssa): Likewise.
3400 * toplev.c (rest_of_compilation): Do it here instead. Combine
3401 sequential calls to TIMEVAR. Consistently use `insns' instead of
3402 `get_insns()'. Always split insns after reload when optimizing.
3404 * basic-block.h (merge_blocks_nomove): Declare.
3405 (tidy_fallthru_edge): Declare.
3406 * flow.c (merge_blocks_nomove): Document as merging into previous
3407 blocks. Remove cruft from between blocks; remove all edges out of A.
3408 (tidy_fallthru_edge): Export.
3410 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3412 * ssa.c (compute_conservative_reg_partition): Declare with
3414 * toplev.c (clean_dump_file): Remove previously-deleted function
3415 inadvertantly merged back in.
3416 * conflict.c (conflict_graph_add): Use a single call to
3417 htab_find_slot to look up and insert.
3419 2000-04-06 Richard Henderson <rth@cygnus.com>
3421 * genrecog.c (*): Rename _last_insn to last_insn.
3422 (make_insn_sequence): Set the position of the peephole2 C test
3423 to be at the last insn.
3425 2000-04-06 Richard Henderson <rth@cygnus.com>
3427 * flow.c (compute_flow_dominators): Free worklist.
3429 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3431 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3433 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3435 * rtl.h (INSN_P): New macro.
3436 (successor_phi_fn): New typedef.
3437 (for_each_successor_phi): New prototype.
3438 (in_ssa_form): New variable.
3439 (PHI_NODE_P): Likewise.
3440 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3441 phi nodes in successors.
3442 (mark_used_regs): Add PHI case.
3443 (set_phi_alternative_reg): New function.
3444 (life_analysis): Assert that dead code elimination is not selected
3446 * toplev.c (to_ssa_time): New variable.
3447 (from_ssa_time): Likewise.
3448 (compile_file): Zero to_ssa_time and from_ssa_time.
3449 Print time to convert to and from SSA.
3450 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3451 (print_time): Compute percent fraction as integer.
3452 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3453 (convert_to_ssa): Check if we're already in SSA.
3454 Don't eliminate dead code in life_analysis.
3455 Rerun flow and life analysis at bottom.
3456 (eliminate_phi): Use canonical regnos when adding nodes.
3457 (mark_reg_in_phi): New function.
3458 (mark_phi_and_copy_regs): Likewise.
3459 (convert_from_ssa): Rerun life analysis at top.
3460 Use coalesced partition.
3461 Check for removing a phi node at the end of the block.
3462 (compute_coalesced_reg_partition): New function.
3463 (coalesce_regs_in_copies): Likewise.
3464 (coalesce_reg_in_phi): Likewise.
3465 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3466 (for_each_successor_phi): Likewise.
3467 (rename_context): New struct.
3468 (rename_block): Use a rename_context with rename_insn_1. When
3469 renaming sets of a subreg, emit a copy of the entire reg first.
3470 (rename_insn_1): Treat data as a rename_context *. Save current
3472 (rename_set_data): Add field set_insn.
3473 * Makefile.in (HASHTAB_H): Move up in file.
3474 (OBSTACK_H): New macro.
3475 (collect2.o): Use OBSTACK_H in dependencies.
3476 (sdbout.o): Likewise.
3477 (emit-rtl.o): Likewise.
3478 (simplify-rtx.o): Likewise.
3479 (fix-header.o): Likewise.
3480 (OBJS): Add conflict.o.
3481 (conflict.o): New rule.
3482 * basic-block.h: Include partition.h.
3483 (conflict_graph): New typedef.
3484 (conflict_graph_enum_fn): Likewise.
3485 (conflict_graph_new): New prototype.
3486 (conflict_graph_delete): Likewise.
3487 (conflict_graph_add): Likewise.
3488 (conflict_graph_conflict_p): Likewise.
3489 (conflict_graph_enum): Likewise.
3490 (conflict_graph_merge_regs): Likewise.
3491 (conflict_graph_print): Likewise.
3492 (conflict_graph_compute): Likewise.
3493 * conflict.c: New file.
3495 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3497 * tlink.c (read_repo_files): Don't look for .rpo info for
3500 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3502 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3504 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3506 * config/sh/lib1funcs.asm (___udivsi3_i4):
3507 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3508 only depends on FMOVD_WORKS.
3510 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3512 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3513 make double constant 8-byte aligned.
3515 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3517 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3518 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3519 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3520 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3521 Accept storing GENERAL_REGS into offsetable memory.
3522 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3523 building a TFmode constant other than 0.0L into GENERAL_REGS.
3525 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3527 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3529 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3531 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3532 (macro_cleanup): No need to cast pbuf->macro.
3533 (collect_expansion): Use _cpp_get_define_token. Goto done if
3534 it returns VSPACE. Remove check for trailing space after
3536 (_cpp_create_definition): Don't diddle flags here. Return
3538 (unsafe_chars): Handle c1 being EOF.
3539 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3540 checks. Don't push the buffer till after we're done with
3542 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3543 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3544 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3546 (_cpp_parse_assertion): Don't NUL terminate.
3547 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3548 hspace before calling _cpp_parse_assertion. Remove all sets
3549 of only_seen_white. Treat '\f' as hspace. Don't do anything
3550 special with '\n' here.
3551 (maybe_macroexpand): Handle T_EMPTY hash entries without
3552 pushing a buffer at all.
3553 (cpp_get_token): Handle clearing only_seen_white here. Handle
3554 incrementing the line number here. Clear
3555 potential_control_macro as well as only_seen_white, if
3557 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3558 (_cpp_get_define_token): New function, basically like
3559 _cpp_get_directive_token was but doesn't eat horizontal space.
3560 Don't do anything with only_seen_white here.
3561 (_cpp_get_directive_token): Just call _cpp_get_define_token
3562 repeatedly till it returns non-hspace.
3564 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3565 (conditional_skip, skip_if_group): Return int.
3566 (DIRECTIVE_TABLE): Change origin of all conditional directives
3568 (TRAD_DIRECT_P): New macro.
3569 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3570 an error for a bogus directive, unless -lang-asm. Use
3571 TRAD_DIRECT_P. Loop calling handler functions till one returns
3573 (get_macro_name): Don't diddle flags here.
3574 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3575 Create T_EMPTY nodes for #define macro /* nothing */.
3576 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3577 Use hp->name when calling pass_thru_directive.
3578 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3579 Return the result of conditional_skip and/or skip_if_group.
3580 Don't call _cpp_output_line_command.
3581 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3582 Issue -Wtraditional warnings as appropriate. Don't complain
3583 about unrecognized directives. If we are to stop skipping,
3584 return the number of the directive that ended the skip.
3585 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3586 expansion and line commands while skipping. Return the result
3587 of consider_directive_while_skipping, if nonzero.
3588 (do_endif): Just set potential_control_macro here.
3589 (validate_else): Use _cpp_get_directive_token.
3590 (do_assert, do_unassert): Don't save pointers into the
3591 token_buffer across calls to the lexer. Use
3592 _cpp_get_directive_token.
3594 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3595 pointer, not an offset. Replace 'data', which was a generic
3596 pointer, with 'macro', which points to a struct hashnode.
3597 (cpp_reader): Add 'potential_control_macro' pointer.
3598 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3599 (CPP_BUF_GET, CPP_FORWARD): Delete.
3600 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3601 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3602 ACTIVE_MARK_P): Update.
3603 (_cpp_get_define_token): New internal function.
3604 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3606 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3608 * configure.in: And here.
3609 * configure: Regenerate.
3610 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3611 --enable-libstdcxx-v3 is passed at configure time.
3612 * config.h.in: Regenerate.
3614 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3616 * final.c (final): Use xcalloc to allocate line_note_exists.
3617 * function.c (free_after_compilation): Free the temp_slots.
3618 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3619 (combine_temp_slot): Free temp_slots when they get combined.
3620 (purge_addressof): Fix typo in comment.
3621 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3622 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3624 * ggc.h: Include varray.h.
3625 (ggc_pending_trees): Declare.
3626 (ggc_mark_tree_children): Remove declaration.
3627 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3628 * ggc-common.c (ggc_pending_trees): New variable.
3629 (ggc_mark_roots): Call ggc_mark_trees.
3630 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3631 the ggc_pending_trees.
3632 * Makefile.in (GGC_H): New variable. Use it throughout in place
3635 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3637 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3640 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3642 * sh.c (sh_insn_length_adjustment): New function.
3643 * sh-protos.h (sh_insn_length_adjustment): Declare.
3644 * sh.h (ADJUST_INSN_LENGTH): Use it.
3646 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3648 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3649 from the insn where REG_RETVAL is added.
3650 (emit_no_conflict_block): Ditto.
3652 * md.texi (Standard Names): Clarify when movX is needed.
3654 * combine.c (simplify_comparison) [MINUS]: Do not replace
3655 all (op (minus A B) 0) with (op A B).
3657 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3658 J"orn Rennecke <amylaar@cygnus.co.uk>
3660 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3661 (block_lump_real): Likewise.
3663 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3665 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3666 remaining non-zero debugging masks.
3668 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3670 * basic-block.h (verify_flow_info): Declare.
3671 (flow_loop_outside_edge_p): Declare.
3672 * flow.c (verify_flow_info): Remove declaration.
3673 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3675 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3677 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3680 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3682 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3683 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3684 seqdi_zero_trunc+1): Allow splits only if registers are
3687 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3689 * acconfig.h: Add HAVE_GAS_HIDDEN.
3690 * config.in: Regenerated.
3691 * configure.in: Add test for .hidden pseudo-op in gas.
3692 * configure: Regenerated.
3693 * crtstuff.c: Include auto-host.h.
3694 Emit additional .hidden pseudo-op for __dso_handle if the
3695 assembler knows about it.
3697 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3699 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3700 before freeing argnames.
3701 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3703 2000-04-05 Michael Meissner <meissner@redhat.com>
3705 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3706 Walton <jonboy@gordian.com> to make memory references with update
3707 work wtih -mregnames.
3709 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3711 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3712 (regrename_optimize): Rename variables `def_uses' and
3713 `ext_basic_blocks' to avoid conflicts with similarly named
3714 typedefs in traditional C.
3716 * calls.c (initialize_argument_information): Fix typo in previous
3719 2000-04-04 Richard Henderson <rth@cygnus.com>
3721 * regrename.c (consider_available): Test fixed_regs not
3722 PIC_OFFSET_TABLE_REGNUM.
3724 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3726 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3728 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3729 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3730 (ENDFILE_LINUX_SPEC): Always use crtend.
3731 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3732 (powerpc-*-linux-gnu): Likewise.
3733 * configure: Regenerate.
3735 * config/rs6000/eabi.h: Don't include sysv4.h.
3736 (MULTILIB_DEFAULTS): Don't define.
3737 * config/rs6000/eabiaix.h: Don't include eabi.h.
3738 * config/rs6000/eabile.h: Delete.
3739 * config/rs6000/eabilesim.h: Delete.
3740 * config/rs6000/eabisim.h: Don't include eabi.h.
3741 * config/rs6000/linux.h: Don't include sysv4.h.
3742 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3743 (MULTILIB_DEFAULTS): Don't redefine.
3744 * config/rs6000/rtems.h: Don't include eabi.h.
3745 * config/rs6000/sol2.h: Don't include sysv4le.h.
3746 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3747 * config/rs6000/t-ppc: Delete.
3748 * config/rs6000/t-ppcgas: Correct comment.
3749 * config/rs6000/t-ppcos: Correct comment. Don't build
3750 multilibs for -fPIC, rather use -fPIC -mstrict-align
3752 * config/rs6000/t-ppc: Delete.
3753 * config/rs6000/vxppc.h: Don't include sysv4.h.
3754 * config/rs6000/vxppcle.h: Delete.
3755 * configure.in: Use multiple header files for p2pc ELF targets
3756 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3757 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3758 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3759 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3760 always available for these platforms.
3762 2000-04-04 Richard Henderson <rth@cygnus.com>
3764 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3766 2000-04-04 Stan Cox <scox@cygnus.com>
3768 * Makefile.in: Add rules for regrename.o
3769 * regrename.c: New file.
3770 * rtl.h (regrename_optimize): Add prototype.
3771 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3772 (compile_file, decode_d_option): Add support for -frename-registers.
3773 (rest_of_compilation): Call regrename_optimize.
3774 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3777 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3779 * Makefile (gccbug): New target.
3780 (doc): Depend on it.
3781 * gcc.texi (Bugs): Link subnodes.
3783 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3784 Document severities, priorities, and classes in bug form.
3786 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3788 * cpplex.c (trigraph_map, speccase): Combine into single
3790 (NORMAL, NONTRI): New macros.
3791 (_cpp_read_and_prescan): Change to use unified table. Use
3792 is_hspace to test for whitespace.
3794 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3795 definition that doesn't provoke the "empty body in an
3796 if-statement" warning.
3798 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3800 * builtins.c (expand_builtin_strlen): Force the source to
3801 be a memory address.
3803 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3805 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3807 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3809 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3810 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3811 (ECF_IS_CONST): Rename to ECF_CONST.
3812 (special_function_p): Make static, change interface.
3813 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3814 (expand_call) ... here; convert number of variables to flags.
3815 (emit_library_call_vlue_1): Likewise.
3816 (setjmp_call_p): New function.
3817 (initialize_argument_information): Accepts flags as argument;
3819 (precompute_arguments): Likewise.
3820 * tree.h (special_function_p): Remove.
3821 (setjmp_call_p): Add prototype.
3823 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3825 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3826 so that addresses are offsetable by up to 16 bytes.
3827 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3828 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3831 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3832 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3833 (movsf): Don't force any constant to memory if target is integer
3835 Move fp_zero_operand check below the const0_rtx check.
3836 (movtf): Likewise. Also allow fp_zero_operand for stores into
3838 (movdf): Likewise. Also allow fp_zero_operand for stores into
3839 memory and into integer hard registers.
3840 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3841 movdf_const_intreg_sp64): Remove.
3842 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3844 (movdf_no_e_insn_v9_sp32): New pattern.
3845 (movdf_insn_v9only): Remove.
3846 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3847 (movdf_insn_sp64): Remove.
3848 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3849 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3850 (following splits): Rewrite conditions. Add two new splits
3851 for storing 0.0 into memory and registers.
3852 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3853 (movtf_insn_sp32): Redo constraints and conditions.
3854 (movtf_insn_vis_sp32): New pattern.
3855 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3856 (movtf_insn_hq_sp64): Likewise.
3857 (movtf_insn_hq_vis_sp64): New pattern.
3858 (movtf_insn_sp64): Redo constraints and conditions.
3859 (movtf_insn_vis_sp64): New pattern.
3860 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3861 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3863 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3864 -mvis or -m64 to take down the number of various reload patterns.
3866 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3868 * pa/pa-64.h: New file.
3869 * pa/pa64-regs.h: New file.
3870 * pa/pa64-start.h: New file.
3871 * pa/t-pa64: New file.
3872 * pa/xm-pa64hpux.h: New file.
3874 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3876 * sparc.c (output_restore_regs): Prototype.
3877 (sparc_emit_float_lib_cmp): Constification.
3879 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3881 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3884 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3885 (get_value_hash, hash_rtx): Likewise.
3887 * ssa.c (compute_conservative_reg_partition): Prototype.
3889 * tree.c (mark_hash_entry): Prototype.
3891 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3893 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3894 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3895 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3897 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3898 * objc/lang-specs.h: Likewise.
3900 2000-04-03 Neil Booth <NeilB@earthling.net>
3902 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3903 and SYNTAX_ERROR2. Replace `' in messages with ''.
3904 (op_to_str): Make re-entrant.
3905 (_cpp_parse_expr): Implement new error macros. Use | rather
3906 than || to logically or 2 boolean integers. Simply expression
3907 checking we have a left operand iff needed.
3909 2000-04-03 Nick Clifton <nickc@cygnus.com>
3911 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3913 2000-04-03 Philip Blundell <philb@gnu.org>
3915 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3917 2000-04-03 Felix Lee <flee@cygnus.com>
3919 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3920 (run_shell): Use it.
3922 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3924 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3925 (stmp-fixproto): ...rather than here.
3927 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3929 * pa.c (print_operand): Compute 'base' only inside the code paths
3932 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3934 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3937 2000-04-03 Philipp Thomas <pthomas@suse.de>
3939 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3941 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3943 * Makefile.in (alias.o): Depend on $(TREE_H).
3945 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3947 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3949 * cpplib.c (_cpp_handle_directive): Improve warnings for
3950 traditional C and indented directives.
3952 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3953 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3954 fixinc/inclhack.def: Indent the # of #include_next one space.
3955 * cp/rtti.c: Un-indent #if and #endif.
3957 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3958 syntax error, but an error has already been printed.
3959 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3960 message when called with nothing remaining on the line.
3961 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3962 OTHER token, not an ASSERTION.
3963 * cpplib.c (do_assert): When we create a 'base' node, clear
3964 its aschain pointer.
3966 2000-04-02 Neil Booth <NeilB@earthling.net>
3968 * cppexp.c: New typedef op_t. struct operation and struct
3969 token updated to use it.
3970 (op_to_str): New function.
3971 (_cpp_parse_expr): Error messages modified to use op_to_str.
3973 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3975 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3976 before checking MUST_PASS_IN_STACK.
3978 2000-04-02 Neil Booth <NeilB@earthling.net>
3980 * cppexp.c: New FINISHED dummy token. Combine operator initial
3981 flags and initial priority into a single constant. New
3982 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3983 (_parse_cpp_expr): Implement new constants. Take left operand
3984 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3985 parse indicated by reducing FINISHED token. Remove new lines
3986 from cpp_error messages.
3988 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3990 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3993 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3995 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3996 directive. Add origin values to DIRECTIVE_TABLE. Generate
3997 the strings and function names on the fly. Take the #sccs
3998 entry out of the table if SCCS_DIRECTIVE is not defined.
3999 (_cpp_handle_directive): Decide if the # was at the beginning
4000 of the line here. Issue -pedantic warnings for extended
4001 directives here. Warn about K+R directives with the #
4002 indented, and C89/extended directives with the # not indented,
4004 (do_import, do_include_next, do_warning, do_ident, do_sccs,
4005 do_assert, do_unassert): Don't issue pedantic warning here.
4007 * cpphash.h: Add CPP_WTRADITIONAL macro.
4008 * cpplib.h (struct cpp_options): Rename warn_stringify to
4009 warn_traditional; update comments.
4010 * cppinit.c (handle_option): Set warn_traditional not
4012 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
4013 CPP_WTRADITIONAL (pfile).
4014 * cpplex.c (_cpp_lex_token): Don't decide if directives should
4015 be ignored in -traditional mode here.
4017 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
4018 to initialize speccase[] and trigraph_map[]. Delete all
4019 references to pfile->input_speccase. Always treat '?' as a
4020 special character. Remove table-initialization code from
4021 _cpp_init_input_buffer.
4023 * cpplib.h (struct cpp_reader): Remove input_speccase field.
4024 * cppinit.c (cpp_cleanup): Don't free input_speccase.
4026 2000-04-01 Richard Henderson <rth@cygnus.com>
4028 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
4029 (mostlyclean): Likewise.
4031 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
4032 (struct dump_file_info, enum dump_file_index, dump_file): New.
4033 (open_dump_file): Take a dump_file_index not a suffix, and a decl
4034 not a string. Clean out file if we havn't yet done so. Do nothing
4035 if the dump isn't enabled.
4036 (close_dump_file): Do nothing if the dump isn't open. Dump
4037 graph data if requested.
4038 (dump_rtl, clean_dump_file): Remove.
4039 (compile_file): Don't clean the dump files. Only finalize .bp dump
4040 if flag_test_coverage or flag_branch_probabilities. Only finalize
4041 .combine dump if optimizing. Iterate over dump_file to finalize the
4043 (rest_of_compilation): Update for open_dump_file/close_dump_file.
4044 Convert all uses of dump_rtl.
4045 (decode_d_option): Iterate over dump_file to implement 'a' and to
4046 locate pass-specific dumps.
4048 2000-04-01 Neil Booth <NeilB@earthling.net>
4050 * cppexp.c: Redefine priority constants.
4051 (_cpp_parse_expr): Replace left and right priority scheme with
4052 single priority logic. Move LOGICAL to same place as COMPARE.
4053 Remove bogus check for multiple unary +/- operators.
4055 2000-04-01 Neil Booth <NeilB@earthling.net>
4057 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
4058 within the switch statement. Binary operations break out of
4059 the switch naturally. '(' tokens handled by forcing
4060 immediate shift. ')' handled by forcing immediate reduce to
4061 the previous '('. New error messages.
4063 2000-03-31 Geoff Keating <geoffk@cygnus.com>
4065 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
4066 part', it's already in use. Use %K instead. Add a return at the
4067 end of what is now %K.
4068 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
4070 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4072 * builtins.c (expand_builtin_apply): Pass proper parameters to
4073 allocate_dynamic_stack_space.
4074 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
4075 update stack_pointer_delta; do not update arg_size_so_far.
4076 (compute_argument_block_size): Use stack_delta instead of
4077 stack_pointer_pending and arg_size_so_far.
4078 (expand_call): Add sanity checking for stack_pointer_delta;
4079 save and restore stack_pointer_delta for SIB, use
4080 stack_pointer_delta for alignment; do not update arg_space_so_far.
4081 (emit_library_call_value): Use stack_pointer_delta for alignment.
4082 (store_one_arg): Do not update arg_space_so_far.
4083 * explow.c (adjust_stack, anti_adjust_stack): Update
4084 stack_pointer_delta.
4085 (allocate_dynamic_stack_space): Add sanity checking for
4086 stack_pointer_delta.
4087 * expr.c (init_expr, clear_pending_stack_adjust): Clear
4088 stack_pointer_delta.
4089 (emit_push_insn): Update stack_pointer_delta.
4090 * function.h (struct expr_status): Add x_stack_pointer_delta;
4091 remove x_arg_space_so_far.
4092 (arg_space_so_far): Remove.
4093 (stack_pointer_delta): New macro.
4095 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
4097 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
4098 Reorder struct cpp_options and struct cpp_reader for better
4099 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
4100 takes two args. Change all 'char' flags to 'unsigned char'.
4101 Move show_column flag into struct cpp_options. Don't
4102 prototype cpp_options_init.
4103 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
4104 cppinit.c, cpplex.c, cpplib.c:
4105 Replace CPP_OPTIONS (pfile)->whatever with
4106 CPP_OPTION (pfile, whatever), and likewise for
4107 opts = CPP_OPTIONS (pfile); ... opts->whatever;
4109 * cppinit.c (merge_include_chains): Take a cpp_reader *.
4110 Extract CPP_OPTION (pfile, pending) and work with that
4112 (cpp_options_init): Delete.
4113 (cpp_reader_init): Turn on on-by-default options here.
4114 Allocate the pending structure here.
4115 (cl_options, enum opt_code): Define these from the same table,
4116 kept in a large macro. Add -fshow-column and -fno-show-column
4119 * cpperror.c (v_message): If show_column is off, don't print
4122 * cppmain.c: Update for new interface.
4123 * fix-header.c: Likewise.
4125 2000-03-30 Geoff Keating <geoffk@cygnus.com>
4127 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
4129 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
4130 are passed to any invocation of AR_FOR_TARGET.
4131 (AR_CREATE_FOR_TARGET): New macro.
4132 (AR_EXTRACT_FOR_TARGET): New macro.
4133 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
4134 AR_EXTRACT_FOR_TARGET.
4135 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
4136 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
4137 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
4138 AR_EXTRACT_FOR_TARGET to sub-makes.
4140 2000-03-31 Neil Booth <NeilB@earthling.net>
4142 * cppexp.c: Delete SKIP_OPERAND. Correct priority
4144 (_cpp_parse_expr): Check for multiple unary +/- operators.
4145 Correct priorities of ':' and '?'. Treat ')' as having a
4146 value. Ensure conditional expression is not void.
4148 2000-03-31 Mark Mitchell <mark@codesourcery.com>
4150 * alias.c (canon_rtx): Make it global.
4151 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
4153 * cse.c (struct table_elt): Add canon_exp.
4155 (invalidate): Canonicalize expressions only once.
4156 * rtl.h (canon_rtx): Declare.
4158 2000-03-30 Mark Mitchell <mark@codesourcery.com>
4160 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
4161 * alias.c (reg_known_value): Add comments.
4162 (init_alias_analysis): Likewise.
4163 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
4165 (cse_basic_block): Fix typo in comment.
4166 * emit-rtl.c: Include hashtab.h.
4167 (const_int_htab): New variable.
4168 (const_int_htab_hash): New function.
4169 (const_int_htab_eq): Likewise.
4170 (rtx_htab_mark_1): Likewise.
4171 (rtx_htab_mark): Likewise.
4172 (gen_rtx_CONST_INT): Cache all CONST_INTs.
4173 (unshare_all_rtx): Fix formatting.
4174 (init_emit_once): Initialize const_int_htab.
4175 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
4177 * rtl.texi: Document the fact that all CONST_INTs with the same
4180 2000-03-30 Richard Henderson <rth@cygnus.com>
4182 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4184 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4186 * configure.in: Comment out --enable-c-cpplib stanza.
4187 * configure: Regenerate.
4189 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4191 * expr.c (store_constructor): Properly compute displacement and
4192 alignment when offset is variable.
4194 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4195 cases of alignment in bytes.
4197 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4199 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4200 since it is used to generate c-parse.y.
4201 * objc-parse.c, objc-parse.y: Regenerated.
4203 * function.c (expand_function_end): Pass alignment argument to
4204 emit_block_move in bits, not bytes.
4206 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4208 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4211 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4213 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4214 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4215 * function.c (assign_parms): Likewise.
4216 * integrate.c (expand_inline_function): Likewise.
4217 * stmt.c (expand_decl): Likewise.
4218 (copy_rtx_and_substitute): Likewise.
4219 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4220 (clear_by_pieces): Fix error in last change.
4221 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4222 * function.h (regno_pointer_align): Now unsigned.
4223 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4225 * config/i386/i386.c (aligned_operand): Likewise.
4226 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4227 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4228 (unaligned_memory_operand): Likewise.
4229 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4230 Also make alignments and sizes unsigned and some whitespace cleanup.
4231 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4233 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4234 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4235 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4236 (expand_builtin_memset): Likewise, but to clear_storage.
4237 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4238 (restore_fixed_argument_area): Likewise.
4239 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4240 (load_register_parameters): Likewise, to emit_group_load.
4241 (expand_call): Likewise, to emit_group_store and emit_block_move.
4242 (emit_library_call_value_1): Likewise, to emit_block_move.
4243 (store_one_arg): Likewise, and to emit_push_insn.
4244 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4245 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4246 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4247 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4248 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4249 (expand_assigment, store_expr, store_constructor_field): Likewise.
4250 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4251 (store_constructor, store_field, get_inner_reference): Likewise.
4252 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4253 (expand_expr, case COMPONENT_REF): Likewise.
4254 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4255 and positions; reindent code.
4256 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4257 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4258 (assign_parms): Likewise to emit_group_store.
4259 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4260 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4261 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4262 (expand_return): Likewise to {extract,store}_bit_field.
4263 * stor-layout.c (get_mode_alignment): Minor cleanup.
4264 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4265 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4267 2000-03-29 Nick Clifton <nickc@cygnus.com>
4269 * config/arm/arm.h: Undo effects of previous delta:
4270 (ASM_SPEC): Do not define.
4271 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4273 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4276 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4278 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4279 only after reading in the primary source file.
4281 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4283 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4284 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4285 or a reference to a va_list.
4286 * builtins.c (stabilize_va_list): Simplify now we don't have to
4287 work around C array address decay.
4288 * c-typeck.c (convert_for_assignment): Handle assignment to
4289 a reference parameter by taking the address of the RHS.
4290 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4291 (va_copy): Likewise.
4292 (__va_copy): Likewise.
4293 * ginclude/varargs.h (va_start): Likewise.
4294 (__va_copy): Likewise.
4296 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4298 * i386/djgpp.h: Remove extraneous "+".
4300 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4302 * calls.c (expand_call): Fix typo in last change.
4304 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4306 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4309 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4311 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4312 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4313 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4314 * tree.c (bit_position, byte_position): Likewise.
4315 * tree.h: Declare new functions.
4317 2000-03-29 Nick Clifton <nickc@cygnus.com>
4319 * config/arm/arm.c: Minor formatting changes/
4320 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4322 (ASM_SPEC): Define if not already defined.
4324 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4326 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4329 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4331 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4332 value, don't output it as unsigned.
4334 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4336 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4338 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4340 * c-common.c (c_common_nodes_and_builtins): Don't special case
4341 cplus_mode when declaring builtin bzero/bcmp, always avoid
4342 prototype arguments.
4344 2000-03-29 Bruce Korb <bkorb@gnu.org>
4346 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4349 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4351 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4352 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4353 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4354 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4355 (save_fixed_argument_area, restore_fixed_argument_area):
4356 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4357 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4358 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4359 (precompute_register_parameters): Avoid #ifdefs on
4360 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4361 (stire_one_args): Likewise.
4362 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4363 (emit_library_call_value_1): Likewise.
4364 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4365 ACCUMULATE_OUTGOING_ARGS.
4366 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4368 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4369 (use_crosses_set_p): Likewise.
4370 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4371 #define ACCUMULATE_OUTGOING_ARGS 1.
4372 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4374 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4376 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4377 (TARGET_SWITCHES): Add push-args, no-push-args,
4378 accumulate-outgoing-args and no-accumulate-outgoing-args.
4379 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4380 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4381 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4383 (emit_push_insn): Likewise.
4384 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4385 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4386 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4387 (STACK_DYNAMIC_OFFSET): Define correctly for both
4388 ACCUMULATE_OUTGOING_ARGS and normal mode.
4389 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4390 * tm.texi (PUSH_ARGS): Document.
4391 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4393 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4395 * flags.h (flag_optimize_sibling_calls): Declare.
4396 * calls.c (expand_call): Fail sibcall when
4397 !flag_optimize_sibling_calls
4398 * invoke.texi (flag_optimize_sibling_calls): Document.
4399 * toplev.c (flag_optimize_sibling_calls): New global variable.
4400 (f_options): Add flag_optimize_sibling_calls.
4401 (rest_of_compilation): Conditionize
4402 optimize_sibling_and_tail_recursive_calls by
4403 flag_optimize_sibling_calls.
4404 (main): Set flag_optimize_sibling_calls for -O2.
4405 * stmt.c (expand_return): Conditionize tail recursion by
4406 flag_optimize_sibling_calls.
4408 2000-03-29 Richard Henderson <rth@cygnus.com>
4410 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4411 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4413 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4415 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4417 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4419 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4421 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4422 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4423 * config/rs6000/aix.h: then modified likewise.
4425 2000-03-28 Richard Henderson <rth@cygnus.com>
4427 * rtl.h: Redistribute enum reg_note documentation.
4428 Kill trailing whitespace.
4429 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4430 Kill trailing whitespace.
4432 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4434 * cppfiles.c (hash_IHASH): Just return i->hash.
4435 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4436 htab_find_with_hash.
4437 (cpp_read_file): Likewise.
4438 (find_include_file): Likewise. Properly initialize
4439 ih->nshort. Share ih->name and ih->nshort if possible.
4440 * cpphash.c (_cpp_calc_hash): New function.
4441 (hash_HASHNODE): Just return h->hash.
4442 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4443 htab_find_with_hash.
4444 * cpphash.h: Prototype _cpp_calc_hash.
4445 * cppinit.c (initialize_builtins): Provide a valid hash
4446 to _cpp_make_hashnode, using _cpp_calc_hash.
4448 * cpphash.c (collect_expansion): # is not a special character
4449 in object-like macros. In -traditional mode, /**/ is not
4450 token paste at the beginning or end of the line.
4451 * cpplib.c (do_include, do_import, do_include_next): If
4452 parse_include fails, return immediately.
4454 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4456 * config/arm/arm.md (return peepholes): Update to reflect the new
4458 * config/arm/arm.c (arm_volatile_func): Also check
4459 current_function_nothrow.
4460 (output_return_instruction, output_func_prologue): Use it.
4461 (arm_output_epilogue, arm_expand_prologue): Likewise.
4463 2000-03-27 Tom Tromey <tromey@cygnus.com>
4465 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4468 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4470 * expr.c (store_constructor): SIZE now signed.
4471 For EXPR_SIZE, don't evaluate size; just needed if constant.
4472 * fold-const.c (fold): Fix a number of cases when folded tree is
4474 * function.c (flush_addressof): Reenable.
4475 * tree.h (flush_addressof): Likewise.
4476 * toplev.c (independent_decode_option): Look at strings_processed.
4477 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4479 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4481 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4482 Allow stack adjustment after function call.
4484 * regmove.c (struct csa_memlist): Make mem field rtx *.
4485 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4486 (try_apply_stack_adjustment): Replace whole MEM rtx.
4487 (combine_stack_adjustments_for_block): Update calls
4488 to record_one_stack_ref.
4490 2000-03-28 Neil Booth <NeilB@earthling.net>
4492 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4493 '\\' rather than a null character, so nulls are not special. Fix
4494 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4495 speed trigraph conversion.
4496 (_cpp_init_input_buffer): Initialize trigraph map.
4498 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4500 * config/i386/i386.c (output_387_binary_op): Correct intel
4501 mode assembly output, and add spaces after commas in AT&T
4502 output. Correct Unixware assembler comment. Document input
4503 constraints. Comment fp operations. Reduce profligate buffer
4504 size. Remove extraneous abort. Localize temp var.
4505 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4506 (output_fix_trunc): Add spaces after commas in assembly output.
4508 2000-03-27 Richard Henderson <rth@cygnus.com>
4510 * i386-protos.h (ix86_match_ccmode): Declare.
4511 * i386.c (ix86_match_ccmode): New.
4512 (ix86_expand_fp_compare): Update for pattern renames.
4513 (ix86_expand_strlensi_unroll_1): Likewise.
4514 * i386.h (EXTRA_CC_MODES): Add CCZ.
4515 (SELECT_CC_MODE): Use it for EQ/NE zero.
4516 * i386.md (cmpsi_ccz_1): New.
4518 (*testsi_ccz_1): New.
4519 (testqi_ccz_1): New.
4520 (cmpsi_ccno_1): Rename from cmpsi_0.
4521 (testsi_ccno_1): Rename from testsi_1.
4522 (testqi_ccno_1): Rename from testqi_1.
4523 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4524 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4525 (*cmphi_0): Use ix86_match_ccmode.
4526 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4527 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4528 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4529 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4530 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4531 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4532 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4533 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4534 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4535 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4536 (appropriate peepholes): Likewise.
4537 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4538 (*subsi_3, *subhi_3, *subqi_3): Remove.
4539 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4540 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4541 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4542 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4543 (x86_shift_adj_1): Use CCZ.
4544 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4546 2000-03-27 Stan Cox <scox@cygnus.com>
4548 * resource.h (mark_resource_type): New.
4549 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4550 find_free_register): Use mark_resource_type.
4551 (mark_set_resources): Change include_delayed_effects
4552 to mark_resource_type.
4553 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4554 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4555 Use mark_resource_type.
4557 2000-03-27 Richard Henderson <rth@cygnus.com>
4559 * i386.md (call_pop_0, call_value_pop_0): New.
4560 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4561 (call_value_pop_1): Likewise.
4562 (call_0, call_value_0): New.
4563 (call_1, call_value_1): Remove constraint from unused arg.
4565 2000-03-27 Nick Clifton <nickc@cygnus.com>
4567 * invoke.texi (Spec Files): Document new spec % command created by
4568 Tom Tromey's recent patch.
4570 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4572 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4575 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4577 * expr.c (expand_assignment): Fix typo in last change.
4579 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4581 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4583 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4584 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4585 and DECL_INLINE if FUNCTION_DECL.
4586 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4587 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4588 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4589 (combine_parm_decls): Likewise.
4590 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4591 * print-tree.c (print_node): Likewise.
4592 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4593 DECL_TRANSPARENT_UNION on proper decl types.
4594 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4595 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4596 DECL_BIT_FIELD of FIELD_DECL.
4597 * tree.h (DECL_RESULT_FLD): New macro.
4599 * expr.c (expand_assignment): Add code to handle variable-sized
4602 2000-03-26 Richard Henderson <rth@cygnus.com>
4604 * calls.c (expand_call): Pass parms not original exp to
4605 optimize_tail_recursion. Mind return value instead of looking
4607 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4608 call_expr. Move checks for call_expr and current_function_decl ...
4609 (expand_return): ... here.
4611 2000-03-26 Tom Tromey <tromey@cygnus.com>
4613 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4614 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4616 (process_command): Use them.
4617 (check_live_switch): Likewise.
4618 (give_switch): Skip ignored switches.
4620 2000-03-26 Jan Hubicka <jh@suse.cz>
4622 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4623 for minimal jump pass test.
4625 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4627 * integrate.c (function_cannot_inline_p): Do inline functions that
4630 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4632 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4633 now a list of TREE_LIST entries, not types.
4634 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4636 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4637 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4639 * config/mips/mips.c (function_arg): Likewise; also remove cast
4640 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4641 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4642 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4643 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4644 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4645 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4646 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4647 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4648 num_adjusts now unsigned.
4649 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4650 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4652 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4653 as is BITPOS variable; use host_integerp and int_bit_position.
4654 (function_arg_record_value_2): Likewise.
4655 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4656 Variable REGNO now unsigned.
4657 (function_arg_record_value): NREGS now unsigned.
4659 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4661 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4663 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4665 * Rework fields used to describe positions of bitfields and
4666 modify sizes to be unsigned and use HOST_WIDE_INT.
4667 * alias.c (reg_known_value_size): Now unsigned.
4668 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4669 (really_start_incremental_init): Use bitsize_zero_node.
4670 (push_init_level, pop_init_level, output_init_element): Likewise.
4671 Use bitsize_unit_node and bitsize_one_node.
4672 (output_pending_init_elements, process_init_element): Likewise.
4673 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4674 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4675 HOST_WIDE_INT, respectively.
4676 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4677 (num_sign_bit_copies): Returns unsigned.
4678 BITWIDTH now unsigned; rework arithmetic.
4679 Remove recursive call from arg to MAX.
4680 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4681 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4683 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4684 (find_split_point, expand_compound_operation, make_extraction): LEN
4685 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4686 (make_field_assignment): Likewise.
4687 (combine_simplify_rtx): Add cast.
4688 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4689 (force_to_mode): WIDTH now unsigned; add cast.
4690 (if_then_else_cond): SIZE now unsigned.
4691 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4692 (extended_count): Now returns unsigned.
4693 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4694 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4695 (simplify_comparison): MODE_WIDTH now unsigned.
4696 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4697 (mark_used_regs_combine): Likewise; rework arithmetic.
4698 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4699 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4700 (record_promoted_value): REGNO now unsigned.
4701 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4702 (get_last_value): REGNO now unsigned.
4703 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4704 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4705 (remove_death): Arg REGNO now unsigned.
4706 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4707 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4709 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4710 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4711 (struct cse_reg_info): REGNO now unsigned.
4712 (cached_regno): Now unsigned.
4713 (REGNO_QTY_VALID_P): Add cast.
4714 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4715 (remove_invalid_regs): Likewise.
4716 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4717 as are variables END and I.
4718 (get_cse_reg_info, insert): Likewise.
4719 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4720 (canon_hash): Likewise.
4721 (insert_regs, lookup_for_remove): REGNO now unsigned.
4722 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4724 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4725 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4726 * emit-rtl.c (subreg_realpart_p): Add cast.
4727 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4728 (operand_subword_force): Arg I is now unsigned.
4729 * except.c (eh_regs): Variable I is now unsigned.
4730 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4731 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4732 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4733 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4734 (extract_split_bit_field, store_bit_field, extract_bit_field):
4736 * expr.c (store_constructor_fields, store_constructor, store_field):
4737 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4738 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4739 (do_jump): Likewise.
4740 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4741 MAX_SIZE is now unsigned.
4742 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4743 (emit_group_store): Likewise.
4744 (emit_move_insn): I now unsigned.
4745 (store_constructor): Use host_integerp, tree_low_cst, and
4747 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4748 Rework all calculations to use trees and new fields.
4749 * expr.h (promoted_input_arg): Regno now unsigned.
4750 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4751 (mark_seen_cases): Arg is HOST_WIDE_INT.
4752 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4753 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4754 precisions and alignments are unsigned.
4755 (optimize_bit_field_compare, fold_truthop): Likewise.
4756 (int_const_binop): Adjust threshold for size_int_type_wide call.
4757 (fold_convert): Likewise.
4758 (size_int_type_wide): Make table larger and fix thinko that only
4759 had half of table used.
4760 (all_ones_mask_p, fold): Precisions are unsigned.
4761 * function.c (put_reg_info_stack): REGNO is unsigned.
4762 (instantiate_decl): Size is HOST_WIDE_INT.
4763 (instantiate_virtual_regs): I is unsigned.
4764 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4765 (promoted_input_arg): REGNO is unsigned.
4766 * function.h (struct function): x_max_parm_reg is now unsigned.
4767 * gcse.c (max_gcse_regno): Now unsigned.
4768 (struct null_pointer_info): min_reg and max_reg now unsigned.
4769 (lookup_set, next_set): REGNO arg now unsigned.
4770 (compute_hash_table): REGNO and I now unsigned.
4771 (handle_avail_expr): regnum_for_replacing now unsigned.
4772 (cprop_insn): REGNO now unsigned.
4773 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4774 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4775 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4776 * hard-reg-set.h (reg_class_size): Now unsigned.
4777 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4778 * jump.c (mark_modified_reg): I now unsigned; add cast.
4779 (rtx_equal_for_thread_p): Add cast.
4780 * loop.c (max_reg_before_loop): Now unsigned.
4781 (struct_movable): REGNO now unsigned.
4782 (try_copy_prop): REGNO arg unsigned.
4783 (regs_match_p): XN and YN now unsigned.
4784 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4785 (strength_reduce): Likewise; NREGS also unsigned.
4786 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4787 * loop.h (struct iv_class): REGNO now unsigned.
4788 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4790 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4791 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4792 * optabs.c (expand_binop): I and NWORDS now unsigned.
4793 (expand_unop): I now unsigned.
4794 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4795 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4796 * real.c (significand_size): Now returns unsigned.
4797 * real.h (significand_size): Likewise.
4798 * regclass.c (reg_class_size): Now unsigned.
4799 (choose_hard_reg_mode): Both operands now unsigned.
4800 (record_reg_classes): REGNO and NR now unsigned.
4801 (reg_scan): NREGS now unsigned.
4802 (reg_scan_update): old_max_regno now unsigned.
4803 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4804 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4805 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4806 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4807 Likewise for variable R.
4808 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4809 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4810 (find_equiv_reg): Add casts.
4811 (regno_clobbered_p): Arg REGNO now unsigned.
4812 * reload.h (struct reload): NREGS now unsigned.
4813 (refers_to_regno_for_reload_p): Regno args are unsigned.
4814 (regno_clobbered_p): Likewise.
4815 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4816 (compute_use_by_pseudos): REGNO now unsigned.
4817 (find_reg): I and J now unsigned, new variable K, and change loop
4818 variables accordingly; THIS_NREGS now unsigned.
4819 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4820 (spill_hard_reg): REGNO arg now unsigned; add casts.
4821 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4822 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4823 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4824 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4825 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4826 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4827 (emit_reload_insns): REGNO now unsigned.
4828 (reload_cse_move2add): Add cast.
4829 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4831 * resource.c (mark_referenced_resources, mark_set_resources): New
4832 variable R; REGNO and LAST_REGNO now unsigned.
4833 (mark_target_live_regs): J and REGNO now unsigned.
4834 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4835 * rtl.h (union rtunion_def): New field rtuint.
4836 (XCUINT): New macro.
4837 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4838 (operand_subword, operand_subword_force): Word number is unsigned.
4839 (choose_hard_reg_mode): Operands are unsigned.
4840 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4841 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4842 (regno_use_in, combine_instructions, remove_death): Likewise.
4843 (reg_scan, reg_scan_update): Likewise.
4844 (extended_count): Return is unsigned.
4845 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4846 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4847 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4848 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4849 (reg_reg_last_1): FIRS and LAST now unsigned.
4850 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4851 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4853 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4854 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4855 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4856 (replace_regs): Arg NREGS now unsigned.
4857 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4858 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4859 (simplify_binary_operation): Likewise.
4860 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4861 THIS_LAST now unsigned.
4862 (cselib_record_set): Add cast.
4863 * ssa.c (ssa_max_reg_num): Now unsigned.
4864 (rename_block): REGNO now unsigned.
4865 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4867 (all_cases_count): Just return -1 not -2.
4868 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4869 Rework tests to use trees whenever possible.
4870 Use host_integerp and tree_low_cst.
4871 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4872 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4873 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4874 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4875 (smallest_mode_for_size): Likewise.
4876 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4877 KNOWN_ALIGN is now an alignment, so simplify code.
4878 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4879 (start_record_layout): Renamed from new_record_layout_info.
4880 Update to new fields.
4881 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4883 (place_union_field): Renamed from layout_union_field.
4884 Update to use new fields in rli.
4885 (place_field): Renamed from layout_field.
4886 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4887 (finalize_record_size): Rework to use new fields in rli and handle
4889 (compute_record_mode): Rework to simplify and to use new DECL fields.
4890 (finalize_type_size): Make rounding more consistent.
4891 (finish_union_layout): Deleted.
4892 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4893 (layout_type, case RECORD_TYPE): Call new function names.
4894 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4895 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4896 (get_best_mode): UNIT is now unsigned; remove casts.
4897 * tree.c (bit_position): Compute from new fields.
4898 (byte_position, int_byte_position): New functions.
4899 (print_type_hash_statistics): Cast to remove warning.
4900 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4901 (build_index_type): Likewise; make subtype of sizetype.
4902 (build_index_2_type): Pass sizetype to build_range_type.
4903 (build_common_tree_nodes): Use size_int and bitsize_int to
4904 initialize nodes; add bitsize_{zero,one,unit}_node.
4905 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4906 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4907 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4908 (DECL_FIELD_BITPOS): Deleted.
4909 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4910 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4911 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4912 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4913 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4914 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4915 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4916 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4917 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4918 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4919 (DECL_ALIGN): Adjust to new field in union.
4920 (DECL_OFFSET_ALIGN): New field.
4921 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4922 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4923 (union tree_decl): Add struct for both aligns.
4924 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4925 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4926 (struct record_layout_info): Rework fields to have offset
4927 alignment and byte and bit position.
4928 (start_record_layout, place_field): Renamed from old names.
4929 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4930 (byte_position, int_byte_position): Likewise.
4931 (get_inner_reference): Change types of position and length.
4932 * unroll.c (unroll_loop): New variable R; use for some loops.
4933 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4934 (calculate_giv_inc): Arg REGNO now unsigned.
4935 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4936 * varasm.c (assemble_variable): Clean up handling of size using
4937 host_integerp and tree_low_cst.
4938 (decode_addr_const): Use byte, not bit, position.
4939 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4940 use tree_low_cst and int_bit_position.
4941 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4943 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4945 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4946 (reorder_block_def): New members eff_head and eff_end.
4947 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4948 (verify_insn_chain): New function.
4949 (skip_insns_between_block): Add code to skip deleted insns.
4950 Check for note before using.
4951 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4952 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4953 Check for note before using.
4954 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4955 (fixup_reorder_chain): Restructure, clean up, defect removal.
4956 (reorder_basic_blocks): Remove last_insn and references to it.
4957 Moved insn chain verification code into a new function (see above).
4958 Delete defective code that sets last insn.
4959 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4962 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4964 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4966 2000-03-24 Richard Henderson <rth@cygnus.com>
4968 * tree.c (lang_safe_for_unsave): Remove.
4969 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4970 allowing for two levels of unsafeness. Remove lang hook.
4971 * tree.h: Update declarations.
4972 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4973 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4974 Always fail sibcalls when there are pending cleanups.
4976 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4978 * flow.c (propagate_block): When we delete an ADDR_VEC,
4979 also delete the BARRIER following it if there is one.
4981 2000-03-24 Richard Henderson <rth@cygnus.com>
4983 * builtins.c (expand_builtin_bzero): Convert `length' argument
4986 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4988 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4989 comparison if regno's are equal.
4990 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4991 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4992 (expand_call): Update caller.
4993 Avoid making a sibling call if argument size of the callee is larger
4994 than argument size of the caller.
4995 Call hard_function_value with outgoing set if in sibcall pass.
4996 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4998 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4999 Change LEAF_REGISTERS from an array initializer to actual array
5000 identifier. Move static global variable into the function.
5001 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
5002 sequences for leaf functions.
5003 * global.c (global_alloc): Likewise.
5004 * tm.texi (LEAF_REGISTERS): Update documentation.
5006 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
5007 TARGET_FLAT leaf disabling hack.
5008 (LEAF_REGISTERS): Changed from an array initializer to actual array
5009 identifier to avoid duplication and remove the above hack.
5010 (FUNCTION_OK_FOR_SIBCALL): Define.
5011 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
5012 always like call attribute.
5013 (eligible_for_sibcall_delay): New attribute.
5014 (sibcall): New delay type.
5015 (sibcall, sibcall_value, sibcall_epilogue): New expands.
5016 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
5017 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
5018 * config/sparc/sparc.c (sparc_leaf_regs): New array.
5019 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
5021 (output_function_epilogue): Move part of the code into
5022 output_restore_regs.
5023 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
5025 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
5028 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
5029 until infrastructure is finished.
5031 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
5033 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
5034 (save_parm_insns): Not here.
5036 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5038 * builtins.c (expand_builtin_bzero): New function.
5039 (expand_builtin): Handle bzero.
5041 * builtins.def: Add BUILT_IN_BZERO.
5043 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5044 prototype & function for bzero.
5046 2000-03-23 Michael Meissner <meissner@redhat.com>
5048 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
5049 change adding TARGET_FP to the TF floating point insns, except for
5050 trunctfsf2, which generates direct calls to truncdfsf2.
5052 2000-03-23 Geoff Keating <geoffk@cygnus.com>
5054 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
5055 try to protect against middle-end changes that break binary
5057 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
5059 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5061 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
5063 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5065 * calls.c (expand_call): If TARGET is passed by reference and
5066 is readonly, write a CLOBBER.
5068 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5070 * builtins.c (expand_builtin): Handle bcmp.
5072 * builtins.def: Add BUILT_IN_BCMP.
5074 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5075 prototype & function for bcmp.
5077 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
5079 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
5080 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
5081 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
5083 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
5085 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
5086 alternative when using -fp64 -gp32.
5088 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5090 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
5091 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
5092 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
5094 * frame.h (frame_state): Revert last change.
5095 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
5096 * libgcc2.c (throw_helper): Revert last change.
5098 2000-03-22 Richard Henderson <rth@cygnus.com>
5100 * stmt.c (expand_asm_operands): Don't promote the temporary.
5102 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5104 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
5105 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
5106 c_get_alias_set): Likewise.
5107 * c-decl.c (duplicate_decls): Likewise.
5108 * c-typeck.c (default_conversion,build_unary_op): Likewise.
5109 * calls.c (initialize_argument_information): Likewise.
5110 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
5112 * dwarfout.c (decl_class_context,output_type): Likewise.
5113 * expr.c (get_inner_reference): Likewise.
5114 * fold-const.c (simple_operand_p,fold): Likewise.
5115 * function.c (aggregate_value_p): Likewise.
5116 * stmt.c (expand_asm_operands): Likewise.
5117 * varasm.c (named_section): Likewise.
5119 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5121 Implement dwarf2 exception handling for the ARM.
5122 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
5123 (DWARF_FRAME_RETURN_COLUMN): Define.
5124 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
5125 REG_FRAME_RELATED_EXPR note.
5126 (emit_sfm): Likewise.
5127 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
5128 * dwarf2out.c (reg_save): Handle saving a register to itself.
5129 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
5130 * except.c (eh_regs): Don't use the static chain reg if it's
5132 * frame.h (frame_state): Add cfa_saved field.
5133 * frame.c (execute_cfa_insn): Set it.
5134 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
5136 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
5138 (instantiate_virtual_regs): Adjust.
5140 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5141 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5142 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
5144 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
5145 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
5147 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5149 * builtins.def: New file.
5151 * Makefile.in (TREE_H): Depend on builtins.def.
5153 * builtins.c (built_in_names): Use builtins.def.
5155 * tree.h (built_in_function): Likewise.
5157 2000-03-22 Mark Mitchell <mark@codesourcery.com>
5159 * tree.c (size_in_bytes): Return size_zero_node, not
5162 2000-03-22 Geoff Keating <geoffk@cygnus.com>
5164 * config/fp-bit.c (pack_d): Correct the case when a denormal
5165 is rounded up and stops being denormal.
5167 2000-03-21 Richard Henderson <rth@cygnus.com>
5169 * config/alpha/alpha.c (function_arg): Check for void_type_node
5170 before using MUST_PASS_IN_STACK.
5172 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
5174 * regmove.c (combine_stack_adjustments_for_block): Check that
5175 the stack pointer is a valid memory address.
5177 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
5179 * calls.c: re-install Mar 16 emit_library_call merge.
5181 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5183 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5184 we cannot be sure that if reload_completed base register will
5185 be properly aligned.
5187 2000-03-21 Richard Henderson <rth@cygnus.com>
5189 * flow.c (delete_block): Fix typo last change.
5191 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5193 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5194 not COMPLETE_TYPE_P, to check the type of the expression.
5196 2000-03-21 Michael Meissner <meissner@redhat.com>
5198 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5199 all floating point insns that just tested the macro
5200 TARGET_HAS_XFLOATING_LIBS.
5201 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5202 used to only use the gprs.
5204 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5206 * tree.h (COMPLETE_TYPE_P): New macro.
5207 (COMPLETE_OR_VOID_TYPE_P): New macro.
5208 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5209 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5210 * c-aux-info.c (gen_type): Use them.
5211 * c-common.c (c_expand_expr_stmt): Likewise.
5212 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5213 grokdeclarator, grokparms, finish_struct, start_function,
5214 store_parm_decls, combine_parm_decls): Likewise.
5215 * c-parse.y (cast_expr): Likewise.
5216 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5217 c_size_in_bytes, c_alignof, build_component_ref,
5218 build_indirect_ref, build_array_ref, convert_arguments,
5219 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5220 * calls.c (initialize_argument_information): Likewise.
5221 * convert.c (convert_to_integer): Likewise.
5222 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5223 * dwarfout.c (location_or_const_value_attribute,
5224 output_enumeration_type_die, output_structure_type_die,
5225 output_union_type_die, output_type): Likewise.
5226 * expr.c (safe_from_p, expand_expr): Likewise.
5227 * function.c (assign_parms): Likewise.
5228 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5229 * tree.c (build_array_type, build_function_type,
5230 build_method_type, build_offset_type, build_complex_type): Likewise.
5231 * c-parse.c, c-parse.h: Regenerated.
5233 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5235 * config/c4x/rtems.h: Include config/rtems.h.
5237 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5239 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5240 decl is a FUNCTION_DECL
5242 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5244 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5245 function uses output registers. Don't save RP for leaf functions.
5246 Do save RP even if no epilogue.
5247 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5248 (CALL_USED_REGISTERS): Unmark in registers.
5249 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5252 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5254 * config/rs6000/rs6000.md (bunordered): New expander.
5255 (bordered): New expander.
5256 (buneq): New expander.
5257 (bunge): New expander.
5258 (bungt): New expander.
5259 (bunle): New expander.
5260 (bunlt): New expander.
5261 (bltgt): New expander.
5263 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5264 (ccr_bit_negated_p): New function.
5265 (print_operand): For %C, generate appropriate cror for UNEQ,
5266 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5268 2000-03-20 Andreas Jaeger <aj@suse.de>
5270 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5273 * tree.h (safe_for_unsave): Prototype.
5275 2000-03-20 Richard Henderson <rth@cygnus.com>
5277 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5278 (combine_stack_adjustments_for_block): Don't allow sp references
5279 in the side of a set we're not fixing up.
5280 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5281 after life_analysis.
5283 2000-03-20 Richard Henderson <rth@cygnus.com>
5285 * calls.c (expand_call): Don't bother generating tail call
5286 sequences if there are pending cleanups. Use
5287 expand_start_target_temps/expand_end_target_temps to elide
5288 cleanups created during sibcall expansion.
5290 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5292 * configure.in: Set $IFS to a value if it doesn't already have one
5293 in the --enable-checking handling.
5294 * configure: Regenerate.
5296 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5298 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5299 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5302 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5304 * jump.c (delete_noop_moves): Remove code attempting to
5305 combine stack adjustments.
5307 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5309 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5310 * except.c (emit_cleanup_handler): Use them.
5311 (expand_end_all_catch): Likewise.
5312 * function.c (fixup_var_refs): Likewise.
5313 (expand_function_end): Clear catch_clauses_last.
5314 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5315 * except.h (struct eh_status): New field x_catch_clauses_last.
5316 (catch_clauses_last): New define.
5318 * Makefile.in (tree.o): Depend on HASHTAB_H.
5319 * tree.c: Include hashtab.h.
5320 (struct type_hash): Remove next field.
5321 (TYPE_HASH_SIZE): Remove.
5322 (TYPE_HASH_INITIAL_SIZE): New define.
5323 (type_hash_table): Change type to htab_t.
5324 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5325 mark_hash_entry): New functions.
5326 (init_obstacks): Allocate type hash.
5327 (type_hash_lookup): Use htab functions.
5328 (type_hash_add, mark_type_hash): Likewise.
5329 (dump_tree_statistics): Call print_type_hash_statistics.
5331 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5333 * rs6000/t-aix41: New file.
5335 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5337 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5339 * tm.texi (Driver): Fix typos and tweak entry for
5341 Move misplaced STRUCT_FORCE_BLK entry ...
5342 (Storage Layout): ... to here.
5343 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5345 2000-03-19 Richard Henderson <rth@cygnus.com>
5347 * flow.c (delete_block): Delete the addr_vec along with the block.
5348 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5351 * fold-const.c (extract_muldiv): Apply type check for defined
5352 overflow to multiply as well as divide.
5354 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5356 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5358 * emit-rtl.c (remove_unncessary_notes): Check that all
5359 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5360 associated NOTE_BLOCK.
5361 * function.h (identify_blocks): Update comments.
5362 (reorder_blocks): Declare.
5363 * function.c (identify_blocks): Don't take paramters.
5364 (reorder_blocks): Don't take parameters.
5365 * loop.h (find_loop_tree_blocks): Remove.
5366 (unroll_block_trees): Likewise.
5367 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5368 reorder_blocks instead of unroll_block_trees.h
5369 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5370 * stmt.c (find_loop_tree_blocks): Remove.
5371 (unroll_block_trees): Likewise.
5372 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5373 in whole-function mode.
5374 * tree.h (reorder_blocks): Remove declaration.
5376 * expr.c: Include intl.h.
5377 * Makefile.in (expr.o): Depend on intl.h.
5379 2000-03-18 Richard Henderson <rth@cygnus.com>
5381 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5383 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5385 * tree.h (tree_index): Remove enumerals for integer types.
5386 (integer_type_kind): New type.
5387 (integer_types): New variable.
5388 (char_type_node): Adjust.
5389 (signed_char_type_node): Likewise.
5390 (unsigned_char_type_node): Likewise.
5391 (short_integer_type_node): Likewise.
5392 (short_unsigned_type_node): Likewise.
5393 (integer_type_node): Likewise.
5394 (unsigned_type_node): Likewise.
5395 (long_integer_type_node): Likewise.
5396 (long_unsigned_type_node): Likewise.
5397 (long_long_integer_type_node): Likewise.
5398 (long_long_unsigned_type_node): Likewise.
5399 * tree.c (integer_types): New variable.
5400 (init_obstacks): Register it as a root.
5402 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5404 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5405 NEXT_INSN. Update last insn in chain.
5407 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5409 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5410 with TYPE_DECL_SUPPRESS_DEBUG set.
5412 2000-03-18 Richard Henderson <rth@cygnus.com>
5414 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5416 2000-03-18 Richard Henderson <rth@cygnus.com>
5418 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5419 care for HALF_PIC_P.
5420 (expander_call_insn_operand): Remove.
5421 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5422 * i386.h (PREDICATE_CODES): Update.
5423 * i386.md (all call expanders): Remove predicates, remove special
5424 handling for half-pic.
5425 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5426 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5427 (sibcall_epilogue): New.
5429 2000-03-17 Richard Henderson <rth@cygnus.com>
5431 * rtlanal.c (single_set): Reject if the parallel has anything
5432 except SET or USE or CLOBBER.
5434 2000-03-17 Jeff Law <law@cygnus.com>
5435 Richard Henderson <rth@cygnus.com>
5437 * Makefile.in (OBJS): Add sibcall.o.
5439 * sibcall.c: New file.
5440 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5441 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5442 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5443 Emit sibcall patterns when requested. Update all callers.
5444 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5445 elimination seems feasable.
5446 * final.c (leaf_function_p): Sibling calls don't discount being
5448 * flow.c (HAVE_sibcall_epilogue): Provide default.
5449 (find_basic_blocks_1): Sibling calls don't throw.
5450 (make_edges): Make edge from sibling call to EXIT.
5451 (propagate_block): Don't remove sibcall_epilogue insns.
5452 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5453 (sibcall_epilogue): New.
5454 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5455 (identify_blocks_1): Likewise. Break out from ...
5456 (identify_blocks): ... here.
5457 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5458 (reorder_blocks): ... here.
5459 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5460 (record_insns): Extend a varray instead of mallocing new memory.
5461 (contains): Read a varray not array of ints.
5462 (sibcall_epilogue_contains): New.
5463 (thread_prologue_and_epilogue_insns): Emit and record
5464 sibcall_epilogue patterns.
5465 (init_function_once): Allocate prologue/epilogue varrays.
5466 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5467 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5469 (save_for_inline_nocopy): ... here.
5470 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5472 (expand_inline_function): ... here.
5473 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5474 (subst_constants): Handle 'n' formats.
5475 * jump.c (jump_optimize_minimal): New.
5476 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5477 optimizations if it's set.
5478 * rtl.c (copy_rtx): Do copy jump & call for insns.
5479 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5480 (SIBLING_CALL_P): New.
5481 (sibcall_use_t): New.
5482 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5483 Invoke optimize_sibling_and_tail_recursive_calls.
5484 * tree.c (lang_safe_for_unsave): New.
5485 (safe_for_unsave): New.
5486 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5488 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5489 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5490 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5492 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5494 * objc/objc-act.c (encode_method_prototype): Pass types, not
5495 PARM_DECLs, to int_size_in_bytes.
5497 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5499 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5501 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5502 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5504 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5506 * Clean up usages of TREE_INT_CST_LOW.
5507 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5508 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5510 * c-tree.h (min_precision): Move declaration to here.
5511 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5512 (build_unary_op, add_pending_init): Use bit_position.
5513 (pending_init_member, process_init_element): Likewise.
5514 (really_start_incremental_init, push_init_level, pop_init_level):
5515 Don't make copies of nodes or modify them in place, use consistent
5516 types when tracking positions, and use tree routines computations.
5517 (set_init_index, output_init_element): Likewise.
5518 (output_pending_init_elements, process_init_element): Likewise.
5519 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5520 tree_low_cst and int_bit_position; also minor cleanup.
5521 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5522 (print_cst_octal): Precision is unsigned.
5523 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5524 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5525 (simple_type_align_in_bits): Result is unsigned int.
5526 Use tree_int_low_cst and host_integerp.
5527 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5528 (field_byte_offset): Result is HOST_WIDE_INT.
5529 Change types of internal variables so alignments are unsigned int,
5530 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5531 Use host_integerp, tree_low_cst, and int_bit_position.
5532 (add_bit_offset_attribute): Likewise.
5533 (add_data_member_location_attribute): Use tree_cst_low.
5534 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5535 (add_bit_size_attribute): Use tree_low_cst.
5536 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5537 * dwarfout.c: Similar changes to dwarf2out.c.
5538 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5539 * genoutput.c (n_occurences): Return -1 for null string.
5540 (strip_whitespace): Accept null string and make into function.
5541 (scan_operands): Reflect above changes.
5542 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5543 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5544 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5545 * tree.c (int_size_in_bytes): Check for too big to represent.
5546 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5547 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5549 (min_precision): Delete from here.
5550 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5551 and int_bit_position.
5552 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5553 (encode_method_def): Likewise.
5554 (build_ivar_list_initializer): Use int_bit_position.
5555 (generate_shared_structures): Convert size.
5556 (encode_type, encode_complete_bitfield): Use integer_zerop.
5557 (encode_bitfield): Use tree_low_cst and int_bit_position.
5559 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5561 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5563 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5565 * call.c (special_function_p): It is only malloc if it returns
5568 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5570 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5571 (C33_FLAG, TARGET_C3X): Add macros.
5572 (TARGET_SWITCHES): Add -m33 option.
5573 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5575 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5577 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5578 (PARALLEL_PACK_FLAG): Delete.
5579 (TARGET_SWITCHES): Update.
5580 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5582 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5584 * fold-const.c (fold): Fix a few cases when the returned result
5585 is not of the same type as the input.
5587 2000-03-16 Nick Clifton <nickc@cygnus.com>
5589 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5592 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5594 * libgcc2.h: Move prototypes above macros with the same name.
5595 Wrap some function prototypes in the conditional which indicates
5596 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5598 2000-03-16 Richard Henderson <rth@cygnus.com>
5600 * calls.c: Revert last two changes.
5602 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5604 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5605 has exponent 0 is a zero.
5607 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5608 HASH may already be nonzero. Add code/mode into hash value
5609 immediately after repeat label.
5610 (cselib_lookup): Don't leave the hash table in an inconsistent
5611 state before a hash lookup operation.
5613 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5615 * i386.md (all HI and QI mode non-move patterns): Conditionize
5616 by TARGET_[HQ]IMODE_MATH.
5617 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5618 x86_promote_qi_regs): Declare.
5619 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5620 TARGET_PROMOTE_QI_REGS): New macros.
5621 (PROMOTE_MODE): New macro.
5622 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5623 x86_promote_qi_regs): New global variables.
5625 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5627 * calls.c (emit_library_call_value_1): Break out from ...; handle
5628 VOIDmode function calls too.
5629 (emit_library_call_value): ... here.
5630 (emit_library_call): Implement by calling emit_library_call_value_1.
5632 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5634 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5635 Update arg_space_so_far on stack adjustments.
5636 (emit_library_call, emit_library_call_value): Likewise; take into
5637 account arg_space_so_far and pending_stack_adjust when calculcating
5640 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5642 * flow.c: Move all basic block reordering code into its own file.
5643 (create_basic_block): Externalize.
5644 * bb-reorder.c: New file. Copy all basic block reordering code from
5645 flow.c to this file.
5646 (reorder_basic_blocks): Fix fencepost error in for-loop.
5647 (reorder_basic_blocks): Remove braces from single statement for-loops.
5648 * basic-block.h: Add declaration for create_basic_block.
5649 * Makefile.in: Add rules for bb-reorder.o.
5651 2000-03-16 Neil Booth <NeilB@earthling.net>
5653 * cppinit.c (handle_option): Implement #unassert directive
5654 as -A- command line option.
5655 (print_help): Update.
5656 * cpptexi.c: Update.
5658 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5660 * md.texi (Standard Names): Document `jump'.
5662 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5664 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5667 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5669 Merge changes from newppc-branch onto trunk.
5671 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5673 * rs6000.c (toc_hash_table): Update for new hash table functions.
5674 (toc_hash_function): Likewise.
5675 (toc_hash_eq): Likewise.
5676 (toc_hash_mark_entry): Likewise.
5677 (toc_hash_mark_table): Likewise.
5678 (output_toc): Likewise.
5679 (rs6000_add_gc_roots): Likewise.
5681 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5683 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5684 (AR_FLAGS_FOR_TARGET): here. New macro.
5686 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5688 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5689 fpmem_operand) Delete.
5691 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5692 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5693 (rs6000_save_machine_status, rs6000_restore_machine_status,
5694 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5695 references to above variables.
5696 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5697 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5698 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5699 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5700 (XER_REGNO_P, XER_REGNO): New.
5701 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5702 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5703 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5705 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5706 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5707 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5709 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5711 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5712 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5713 * rs6000.h: from here.
5715 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5716 (rs6000_select_rtx_section): Likewise.
5717 (rs6000_encode_section_info): Likewise.
5718 (sdata_section): Likewise.
5719 (sdata2_section): Likewise.
5720 (sbss_section): Likewise.
5721 * sysv4.h (rs6000_select_section): Delete prototype.
5722 (rs6000_select_rtx_section): Likewise.
5723 (rs6000_encode_section_info): Likewise.
5724 (sdata_section): Likewise.
5725 (sdata2_section): Likewise.
5726 (sbss_section): Likewise.
5727 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5729 * sysv4.h: Delete various unnecessary #undef's and put a comment
5730 on the remaining ones.
5731 Change various comments according to coding standard.
5733 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5735 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5736 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5737 (CR0_REGNO_P) Remove.
5738 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5739 setup_incoming_varargs, mtcrf_operation, print_operand,
5740 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5741 Use the above macros.
5743 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5745 * config/rs6000/rs6000.md: Added a new alternative for each
5746 pattern that had a 'x' alternative but no 'y' alternative.
5747 Added a new split for each of the above patterns.
5749 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5751 * aix41.h (ASM_CPU_SPEC): Delete.
5752 (CPP_CPU_SPEC): Delete.
5754 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5755 (ASM_OUTPUT_LABEL): Define.
5756 (ASM_GLOBALIZE_LABEL): Define.
5757 (STRIP_NAME_ENCODING): Define.
5758 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5759 (STRIP_NAME_ENCODING): Don't define.
5760 (ASM_OUTPUT_LABEL): Don't define.
5761 (ASM_GLOBALIZE_LABEL): Don't define.
5762 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5763 names, and ASM_OUTPUT_LABEL to output labels, rather than
5765 (ASM_OUTPUT_LABEL): Define.
5766 (ASM_OUTPUT_INT): Use assemble_name.
5767 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5768 (STRIP_NAME_ENCODING): Don't undefine first.
5769 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5771 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5772 specified with 'asm' even with -fleading-underscore.
5773 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5774 (output_epilog): Likewise.
5775 (output_toc): Likewise.
5776 * tramp.asm: Handle -fleading-underscore correctly.
5778 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5780 (nonlocal_goto_receiver): Delete.
5781 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5783 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5784 (SET_ASM_OP): Define.
5785 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5787 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5790 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5791 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5793 * rs6000.h: Add 'u' to more constants.
5795 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5797 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5799 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5801 * rs6000.c (reg_or_u_cint_operand): New function.
5802 (logical_operand): Handle 64-bit hosts.
5803 (logical_u_operand): New function.
5804 (non_logical_cint_operand): Handle 64-bit hosts.
5805 (non_logical_u_cint_operand): New function.
5806 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5807 (PREDICATE_CODES): Define new functions.
5808 * rs6000-protos.h: Declare new functions.
5809 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5810 (movdi_64): Bracket code intended for 64-bit hosts. Create
5811 CONST_DOUBLE for 32-bit values.
5812 (scc insns): Generate DImode compares.
5813 (mfcr insns): Create DImode versions.
5814 (sge matchers): New patterns.
5816 2000-02-15 Gabriel Paubert <paubert@iram.es>
5818 * rs6000.md: Correct instructions length attributes and
5819 constraints on unsigned compare instructions.
5820 (*ne0): Disable for PowerPC64.
5822 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5824 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5825 quantity, fix profile1.C test failure under -fPIC.
5827 * rs6000.c: Add 'u' to many constants to suppress warnings.
5828 (constant_pool_expr_1): Make static.
5829 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5830 * rs6000.h: Add 'u' to many constants to suppress warnings.
5832 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5833 for the start of the TOC, instead of LCTOC..0.
5834 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5836 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5837 (load_toc_aix_di): Use LCTOC..1.
5839 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5840 * rs6000.c (rs6000_legitimize_address): New function from
5841 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5842 symbols in the constant pool that really are TOC references.
5843 (print_operand_address): For ELF, write TOC offsets under
5844 -fPIC as subtractions in the insn.
5845 (output_toc): For ELF, define symbols in TOC as normal labels,
5847 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5848 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5849 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5850 * rs6000.md (movsi): Only use create_TOC_reference on
5851 symbols in the constant pool that really are TOC references.
5853 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5854 * rs6000.c (rs6000_reorg): Delete.
5855 * rs6000-protos.h (rs6000_reorg): Delete.
5857 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5859 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5861 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5862 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5863 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5864 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5865 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5866 rs6000_aix_emit_builtin_unwind_init.
5867 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5868 rs6000_emit_eh_toc_restore on AIX.
5869 (return_eh_si): Use r2.
5870 (return_eh_di): Use r2.
5872 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5873 since we're breaking binary compatibility anyway.
5875 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5877 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5878 constant_pool_expr_p): Declare them.
5879 (constant_pool_expr_p): Declare it.
5880 * config/rs6000/rs6000.c (toc_label_name): Define.
5881 (rs6000_override_options): Set toc_label_name.
5882 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5883 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5884 uses_TOC): New functions.
5885 (print_operand): Delete old '*' case.
5886 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5887 and strip off rtl for TOC before calling output_addr_const.
5888 (rs6000_emit_load_toc_table): Use toc_label_name.
5889 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5891 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5892 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5893 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5894 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5895 into explicit TOC_REGISTER offsets.
5896 (TOC_REGISTER): New macro.
5897 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5898 TARGET_TOC to reference TOC_REGISTER.
5899 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5900 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5901 uses_TOC before emitting label references.
5903 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5905 * rs6000.md (stack_tie): Fix warning.
5907 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5908 to handle -fleading-underscore.
5909 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5910 (USER_LABEL_PREFIX): New macro.
5911 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5912 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5913 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5914 call-linux can use the same multilibs.
5915 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5916 and call-linux multilibs. Do multilib with -fleading-underscore.
5917 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5918 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5921 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5922 have MASK_SOFT_FLOAT set.
5923 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5924 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5925 CPP_FLOAT_DEFAULT_SPEC.
5927 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5928 * rs6000.md: Whitespace change.
5929 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5930 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5932 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5934 * rs6000.md (eh_epilogue): New expander.
5935 (eh_reg_restore): New expand/split/insn combination.
5936 (return_eh_si): New insn.
5937 (return_eh_di): New insn.
5939 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5940 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5941 * eabi-ctors.c (__do_global_ctors): Register this object's
5942 frame. Clean up. Call atexit() after the constructors.
5943 (__do_global_dtors): Deregister this object's frame. Clean up.
5944 Allow for recursive calls to exit().
5945 * rs6000.c (fixuplabelno): New variable.
5946 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5947 TARGET_RELOCATABLE, it slows down exec() under linux.
5948 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5950 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5951 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5952 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5953 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5954 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5955 (ASM_OUTPUT_DWARF_ADDR): New macro.
5956 (ASM_OUTPUT_DWARF_DATA4): New macro.
5957 (ASM_OUTPUT_DWARF_DATA2): New macro.
5958 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5959 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5960 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5962 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5964 * rs6000.c (rs6000_sr_alias_set): New variable.
5965 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5966 (rs6000_emit_stack_tie): New function.
5967 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5968 in a way that dwarf2out can understand.
5969 (rs6000_frame_related): New function.
5970 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5971 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5972 Use rs6000_emit_stack_tie when needed.
5973 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5974 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5975 * rs6000.md (stack_tie): New insn.
5976 (return_internal_si): Allow return value to be in the count
5978 (return_internal_di): Likewise.
5980 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5982 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5984 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5986 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5988 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5990 * rs6000.md (stmw): Use the right POWER opcode.
5993 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5995 * rs6000-protos.h: New file.
5997 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5999 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
6002 * sysv4.h: Likewise.
6004 2000-01-28 Geoff Keating <geoffk@cygnus.com>
6006 * ../../configure.in: Delete powerpcle-*-winnt*
6007 and powerpcle-*-pe|powerpcle-*-cygwin*.
6008 * ../../configure: Regenerated.
6010 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
6011 (TARGET_WINDOWS_NT): Delete.
6013 (CALL_NT_DLLIMPORT): Delete.
6014 Delete NT-specific code.
6015 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
6018 * nt-ci.asm: Delete.
6019 * nt-cn.asm: Delete.
6020 * ntstack.asm: Delete.
6022 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6024 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
6025 (ASM_FILE_START): Likewise.
6026 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6027 (ASM_OUTPUT_LABELREF): Likewise.
6028 (ASM_OUTPUT_SKIP): Likewise.
6029 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6030 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6031 (ASM_OUTPUT_CASE_LABEL): Likewise.
6032 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6033 (ASM_OUTPUT_ASCII): Likewise.
6035 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
6037 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
6038 reload_toc_labelno for non-prologue TOC reloads. Also, don't
6039 increment rs6000_pic_labelno here.
6040 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
6041 and increment rs6000_pic_labelno here.
6043 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
6045 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
6046 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
6047 allocation knows (reg) is dead before the insn.
6049 2000-01-21 Geoff Keating <geoffk@cygnus.com>
6051 * rs6000.md (movsi_to_cr): Correct typo in output template.
6053 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6055 * rs6000.c (rs6000_pic_labelno): Always define.
6056 (rs6000_pic_func_labelno): Delete.
6057 (lmw_operation): Check for a zero base register,
6058 which doesn't mean what we want.
6059 (stmw_operation): New function.
6060 (print_operand): Define new 'l' modifier.
6061 (rs6000_stack_info): We must save all 64 bits of the registers
6062 if TARGET_POWERPC64.
6063 (rs6000_output_load_toc_table): Delete.
6064 (rs6000_emit_load_toc_table): New function.
6065 (rs6000_allocate_stack_space): Delete.
6066 (rs6000_emit_allocate_stack): New function.
6067 (rs6000_emit_prologue): New function.
6068 (output_prolog): Use rs6000_emit_prologue.
6069 (rs6000_emit_epilogue): Change a few variable names to be
6070 more accurate. Restore all 64 bits of the registers if
6071 TARGET_POWERPC64. Only restore the FP registers which were used
6072 if they are being saved/restored one-at-a-time.
6073 (output_mi_thunk): Delete inefficient code generation.
6074 (output_function_profiler): Don't use rs6000_output_load_toc_table.
6075 * rs6000.h: Declare rs6000_emit_load_toc_table,
6076 rs6000_allocate_stack_space, stmw_operation. Don't declare
6077 rs6000_output_load_toc_table.
6078 * rs6000.md (elf_high): Allow register 0, but discourage it
6080 (elf_low): Support loading into register 0.
6081 (load_toc_aix_si): New pattern.
6082 (load_toc_aix_di): New pattern.
6083 (load_toc_v4_pic_si): New pattern.
6084 (load_toc_v4_pic_di): New pattern.
6085 (load_toc_v4_PIC_1): New pattern.
6086 (load_toc_v4_PIC_1b): New pattern.
6087 (load_toc_v4_PIC_2): New pattern.
6088 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
6089 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
6090 (prologue): New expander.
6091 (movesi_from_cr): New pattern.
6092 (stmw): New pattern.
6093 (save_fpregs_si): New pattern.
6094 (save_fpregs_di): New pattern.
6096 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6098 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
6103 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6105 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
6107 (movsi_got_internal): Likewise.
6108 (movsi_got_internal+1): Likewise.
6109 (set_sp): 'unspec 7' does a SImode clobber.
6111 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6113 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
6114 allocate a stack temporary.
6115 (floatsidf2_internal): Likewise.
6116 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
6118 (floatunssidf2): Don't use the fpmem "register", just
6119 allocate a stack temporary.
6120 (floatunssidf2_internal): Likewise.
6121 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
6123 (floatsidf2_loadaddr): Delete.
6124 (floatsidf2_store1): Delete.
6125 (floatsidf2_store2): Delete.
6126 (floatsidf2_load): Delete.
6127 (fix_truncdfsi2): Don't use the fpmem "register", just
6128 allocate a stack temporary.
6129 (fix_truncdfsi2_internal_si): Delete.
6130 (fix_truncdfsi2_internal_di): Delete.
6131 (fix_truncdfsi2_internal): New insn.
6132 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
6133 (fix_truncdfsi2_store): Delete.
6134 (fix_truncdfsi2_load): Delete.
6135 (fctiwz): Produce gen_fctiwz.
6137 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6139 * eabi.h (INVOKE__main): Define.
6140 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
6142 (rs6000_emit_prologue): Likewise.
6143 * rs6000.h (struct rs6000_stack): Don't keep track of whether
6144 this is the main program.
6146 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6148 * rs6000.c (rs6000_va_arg): Delete some unused variables.
6150 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6152 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
6153 goes after the argument.
6155 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6157 * rs6000.md: Document 'unspec' values used.
6158 (epilogue): New expander.
6159 (movesi_to_cr_one): New expander.
6160 (movesi_to_cr and following): New pattern.
6162 (return_internal_si): New pattern.
6163 (return_internal_di): New pattern.
6164 (return_and_restore_fpregs_si): New pattern.
6165 (return_and_restore_fpregs_di): New pattern.
6166 * rs6000.h: Declare new functions.
6167 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
6168 rather than rs6000_calls_p.
6169 (rs6000_makes_calls): Delete.
6170 (lmw_operation): New function.
6171 (mtcrf_operation): New function.
6172 (rs6000_emit_epilogue): New function.
6173 (output_epilog): Call rs6000_emit_epilogue and final if
6174 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
6176 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6178 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
6179 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
6180 * aix.h (SUBTARGET_SWITCHES): Document switches.
6181 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
6182 sched-prolog and sched-epilog the same. Document all the
6184 (TARGET_OPTIONS): No longer allow -mdebug-.
6186 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6188 * rs6000.h (ASM_FILE_END): Move to aix.h.
6189 (EXTRA_SECTIONS): Move to aix.h.
6190 (READONLY_DATA_SECTION): Move to aix.h.
6191 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6192 (SELECT_SECTION): Move to aix.h.
6193 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6194 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6195 (LINK_REGISTER_REGNUM): New definition.
6196 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6197 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6199 * sysv4.h: Delete the code between the inclusion of rs6000.h
6201 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6202 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6203 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6204 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6205 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6206 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6207 (fix_truncdfsi2_internal_di): New pattern.
6208 (fix_truncdfsi2_store): The second arg here is Pmode too.
6209 (fix_truncdfsi2_load): The second arg here is Pmode too.
6210 (tablejumpdi): Now that switch tables hold only SImode values,
6211 gcc needs to know how to add them to the pc which is DImode.
6212 * rs6000.c (rs6000_stack_info): Use symbolic name for
6213 LINK_REGISTER_REGNUM.
6214 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6215 (output_toc): Delete unused variables s1 and s2.
6216 (output_ascii): Use fputs not fprintf on a variable string.
6218 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6220 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6221 * aix43.h: Revert Aug 2 change.
6222 (HAS_INIT_SECTION): Define, not visible yet.
6223 (LD_INIT_SWITCH): Define, not visible yet.
6224 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6226 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6228 * config/rs6000/rtems.h: Include config/rtems.h.
6230 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6232 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6233 (SLOW_UNALIGNED_ACCESS): Define.
6234 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6235 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6236 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6237 (toc_section): Likewise and .toc pseudo-op.
6238 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6240 (TEXT_SECTION_ASM_OP): Likewise.
6241 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6244 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6246 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6247 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6250 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6252 * rs6000.h: Move more stuff from here...
6254 * sysv4.h: Cleanup accordingly.
6255 * netware.h: Likewise
6257 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6259 * rs6000.h: Continue cleanup.
6262 * netware.h: Likewise.
6264 * sysv4.h: Likewise.
6265 * win-nt.h: Likewise.
6267 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6268 (TARGET_OPTIONS): Likewise.
6270 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6271 (SUBTARGET_OPTIONS): Likewise.
6273 * rs6000.md: Fix compile time warnings.
6275 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6277 vxworks patches from the Cygnus tree originally by
6278 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6279 <vmakarov@cygnus.com>.
6280 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6281 (ENDFILE_SPEC): Likewise.
6282 (LIB_VXWORKS_SPEC): New macro.
6283 (STARTFILE_VXWORKS_SPEC): New macro.
6284 (ENDFILE_VXWORKS_SPEC): New macro.
6285 (LINK_START_VXWORKS_SPEC): New macro.
6286 (LINK_OS_VXWORKS_SPEC): New macro.
6287 (CPP_OS_VXWORKS_SPEC): New macro.
6288 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6289 * vxppc.h: Rewrite to use proper configuration method.
6290 * vxppcle.h: New file.
6291 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6292 * ../../configure: Rebuilt.
6294 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6296 Lots of changes to rs6000.h, sysv4.h, aix.h,
6297 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6298 with the aim that rs6000.h is the first header
6299 included and the others override it.
6302 * x-aix41-gld: Remove.
6304 * x-aix41: Remove target-specific switches, and don't specify
6305 -Wl,-bbigtoc as we don't need it any more.
6306 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6307 Use t-aix43 for AIX 4.3 and above.
6308 * ../../configure: Regenerated.
6310 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6311 options, that don't do anything yet.
6312 (MASK_SCHED_PROLOG): New macro.
6313 (MASK_SCHED_EPILOG): New macro.
6314 (TARGET_SCHED_PROLOG): New macro.
6315 (TARGET_SCHED_EPILOG): New macro.
6317 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6319 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6320 one per translation unit, not one per function.
6321 (output_toc): Also do duplicate constant elimination
6322 for per-translation-unit TOCs.
6324 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6325 a comment explaining _exactly_ when this pattern gets used.
6326 (builtin_setjmp_receiver): New pattern for better clarity.
6327 (init_v4_pic): Move it into a section dealing with TOC registers.
6329 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6331 * rs6000.c (toc_hash_table): New variable.
6332 (rs6000_hash_constant): New function.
6333 (toc_hash_function): New function.
6334 (toc_hash_eq): New function.
6335 (toc_hash_mark_entry): New function.
6336 (toc_hash_mark_table): New function.
6337 (output_toc): Don't output duplicate TOC entries in
6339 (rs6000_add_gc_roots): Add the hash table as a GC root.
6340 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6341 where they clearly shouldn't be. This may need to be fixed
6342 later when there is a GNU ar for AIX.
6343 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6344 Don't define BOOT_LDFLAGS as it is now not necessary.
6346 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6348 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6349 for va_list on AIX. Use unsigned_char_type_node rather than
6350 constructing our own version on svr4.
6352 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6354 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6355 since patently it's not.
6357 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6359 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6360 define_expand/define_insn pair, and handle restore of the
6361 SVR4 -fpic register.
6363 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6365 * acconfig.h (HAVE_GAS_WEAK): New define.
6366 * configure.in (assembler weak support): Check for .weak support.
6367 * config.in, configure: Rebuilt.
6368 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6369 HAVE_GAS_WEAK is defined.
6371 2000-03-15 Nick Clifton <nickc@cygnus.com>
6373 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6376 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6378 * cppfiles.c (open_include_file): New function.
6379 (find_include_file, cpp_read_file): Use it.
6381 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6383 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6385 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6387 * flow.c (verify_flow_info): Check for unconditional return.
6389 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6391 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6392 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6393 (__ia64_restore_stack_nonlocal): New.
6394 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6396 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6398 * cpphash.c (collect_formal_parameters): Do not complain about
6399 parameter names that just start with `__VA_ARGS__'.
6401 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6403 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6404 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6405 * i386.c (pentiumpro_cost): Set mul cost to 4.
6406 (x86_use_movx): Set for PPro.
6408 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6410 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6411 STACK_BOUNDARY for empty frames now.
6413 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6415 * stor-layout.c (layout_union): Remove.
6416 (layout_union_field): New function, split out from layout_union.
6417 (finish_union_layout): Likewise.
6418 (layout_field): Handle unions by calling layout_union_field.
6419 (finish_record_layout): Handle unions.
6420 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6421 QUAL_UNION_TYPE handling.
6423 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6425 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6426 end of basic block is jump_insn, not barrier; use create_basic_block
6427 instead of creating basic block by hand.
6429 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6431 * flow.c (reorder_basic_blocks): Account for barriers when writing
6432 over NEXT_INSN (last_bb->end).
6433 (verify_flow_info): Add check for missing barriers.
6435 2000-03-14 Greg McGary <gkm@gnu.org>
6437 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6438 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6439 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6440 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6441 __unbounded, __unbounded__): New keywords.
6442 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6443 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6444 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6446 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6448 * cselib.h: New file.
6449 * alias.c: Include "cselib.h".
6450 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6451 MEMs as two new arguments.
6452 (get_addr): New static function.
6453 (find_base_term): Handle VALUEs.
6454 (memrefs_conflict_p): Likewise.
6455 (true_dependence): Call get_addr on the addresses.
6456 Call fixed_scalar_and_varying_struct_p with addresses that have been
6457 passed through get_addr and canon_rtx.
6458 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6459 with true_dependence.
6460 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6461 * loop.c: Include "cselib.h".
6462 (load_mems): Process extended basic block that enters the loop with
6463 cselib. Use that information to change initialization of the shadow
6464 register so that a constant equivalence is seen by later passes.
6465 * reload1.c: Include "cselib.h".
6466 (reload_cse_invalidate_regno): Delete function.
6467 (reload_cse_mem_conflict_p): Likewise.
6468 (reload_cse_invalidate_mem): Likewise.
6469 (reload_cse_invalidate_rtx): Likewise.
6470 (reload_cse_regno_equal_p): Likewise.
6471 (reload_cse_check_clobber): Likewise.
6472 (reload_cse_record_set): Likewise.
6473 (reg_values): Delete static variable.
6474 (invalidate_regno_rtx): Likewise.
6475 (reload_cse_delete_noop_set): New static function.
6476 (reload_cse_simplify): New static function, broken out of
6478 (reload_cse_noop_set_p): Delete unused argument INSN.
6479 Just call rtx_equal_for_cselib_p on set source and destination.
6480 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6481 reload_cse_delete_noop_set. Delete code to keep track of values; use
6482 cselib functions instead. Delete code to push/pop obstacks.
6483 (reload_cse_simplify_set): Use cselib to find equivalent values.
6484 Delete code to push/pop obstacks.
6485 (reload_cse_simplify_operands): Likewise.
6486 * rtl.def (VALUE): New rtx code.
6487 * rtl.h (union rtunion_def): New elt rt_cselib.
6488 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6489 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6490 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6491 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6492 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6493 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6494 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6495 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6496 cselib_record_set, cselib_record_sets): New static functions.
6497 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6498 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6499 references_value_p): New functions.
6500 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6501 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6502 n_useless_values, reg_values, callmem, cselib_obstack,
6503 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6504 New static variables.
6505 * varray.h (union varray_data_tag): New elt te.
6506 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6507 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6510 2000-03-14 Nick Clifton <nickc@cygnus.com>
6512 * gcc.c (do_spec_1): Catch the case where %* is used in a
6513 substitution pattern, but it has not been initialised.
6514 Issue a meaningful error message if an unrecognised operator
6515 is encountered in a spec string.
6517 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6519 * function.c (prepare_function_start): Correctly initialize
6520 cfun->stack_alignment_needed.
6522 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6524 * cppfiles.c (find_include_file): Don't assume nshort is a
6527 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6529 * configure.in (hppa configurations): Add pa32-regs.h to the
6530 list of tm files as appropriate.
6531 * configure: Rebuilt.
6532 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6534 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6535 (fmpyaddoperands, fmpysuboperands): Likewise.
6536 * pa.h: Remove various definitions which depend on knowing
6537 how registers are numbered.
6538 * pa32-regs.h: New file with PA32 register numbering specific
6541 2000-03-14 Richard Henderson <rth@cygnus.com>
6543 * regmove.c (combine_stack_adjustments): New.
6544 (stack_memref_p, single_set_for_csa): New.
6545 (free_csa_memlist, record_one_stack_memref): New.
6546 (try_apply_stack_adjustment): New.
6547 (combine_stack_adjustments_for_block): New.
6548 * rtl.h (combine_stack_adjustments): Declare.
6549 * toplev.c (rest_of_compilation): Call it.
6551 * i386.md: Revert 2000-01-16 change.
6553 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6555 * gccbug.in: Add web category, gcc specific classes.
6557 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6559 * stor-layout.c (finalize_record_size): Fix typo.
6561 2000-03-14 Stan Shebs <shebs@apple.com>
6563 * c-typeck.c (c_alignof): Error on incomplete types.
6564 * extend.texi (Alignment): Document this.
6566 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6568 * cppfiles.c: Include mkdeps.h.
6569 (find_include_file, read_include_file): Remove _cpp_ prefix
6570 from name, make static.
6571 (_cpp_execute_include): New function, broken out of
6574 * cpplib.c: Don't include mkdeps.h.
6575 (struct directive): Remove type field. Reorder entries. The
6576 function takes only one argument.
6577 (struct if_stack): Make type field an int.
6578 (directive_table): Rename to dtable. Generate it, the
6579 prototypes of the directive handlers, and the enum for the
6580 directive numbers, from a template macro.
6581 (do_ifndef, do_include_next, do_import): New functions.
6582 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6583 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6584 do_ident, do_assert, do_unassert, do_sccs): Take only one
6586 (do_sccs): Define always, but alter behavior based on
6588 (_cpp_handle_directive, consider_directive_while_skipping):
6589 Restructure for new directive table layout.
6591 (pass_thru_directive): Take a directive number, not a pointer
6592 to a struct directive.
6593 (parse_include): New function, broken out of do_include.
6594 (do_include, do_import, do_include_next): Use parse_include
6595 and _cpp_execute_include.
6596 (do_elif, do_else): Test for T_ELSE specifically when checking
6597 for #elif/#else after #else.
6598 (parse_ifdef): New function, broken out of do_ifdef.
6599 (validate_else): Expect a name arg without a leading #.
6600 (if_directive_name): Delete.
6601 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6602 directive handlers with only one argument.
6604 * cpphash.h: Update prototypes.
6605 (enum node_type): Remove entries for directives.
6606 * Makefile.in: Update dependencies.
6608 * cpphash.c (dump_hash_helper): Only dump nodes of type
6609 T_MACRO. Emit a newline after each definition.
6611 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6613 * gccbug.in: New file.
6614 * configure.in (all_outputs): Add gccbug.
6615 * Makefile.in (install-common): Install gccbug.
6616 (GCCBUG_INSTALL_NAME): New variable.
6617 * configure: Rebuilt.
6619 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6621 * function.c (put_var_into_stack): Use type_for_mode to calculate
6622 part_type. Use MEM_SET_IN_STRUCT_P.
6623 * expr.c (store_field): Handle CONCAT.
6624 (store_constructor): Use fields_length.
6625 * tree.c (fields_length): New fn.
6626 * tree.h: Declare it.
6628 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6630 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6631 (cpplex.o): New target.
6632 * po/POTFILES.in: Add cpplex.c.
6634 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6635 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6636 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6637 skip_block_comment, skip_line_comment, skip_comment,
6638 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6639 _cpp_parse_name, skip_string, parse_string,
6640 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6641 _cpp_get_directive_token, find_position,
6642 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6643 (maybe_macroexpand, _cpp_lex_token): New functions.
6645 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6646 parse_goto_mark): Delete.
6647 (_cpp_handle_eof): New function.
6648 (_cpp_handle_directive): Rename from handle_directive.
6649 (_cpp_output_line_command): Rename from output_line_command.
6650 (do_if, do_elif): Call _cpp_parse_expr directly.
6651 * cppfiles.c (_cpp_read_include_file): Don't call
6652 init_input_buffer here.
6653 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6654 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6655 here; pop the token_buffer and skip the rest of the line here.
6656 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6659 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6661 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6662 CPP_GOTO_MARK): New macros.
6663 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6664 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6665 _cpp_read_and_prescan, _cpp_init_input_buffer,
6666 _cpp_grow_token_buffer, _cpp_get_directive_token,
6667 _cpp_handle_directive, _cpp_handle_eof,
6668 _cpp_output_line_command): Prototype them here.
6669 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6670 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6671 quote_string, output_line_command): Remove.
6673 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6675 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6676 whether it is too large we must also verify that it isn't negative.
6678 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6680 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6681 (movsi_zero_liveg0): Remove.
6682 (movsf_insn_novis_liveg0): Remove.
6684 (negsi2_not_liveg0): Rename to negsi2.
6685 (one_cmplsi2): Remove.
6686 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6687 (one_cmplsi2_liveg0): Remove.
6688 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6689 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6690 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6691 (PREDICATE_CODES): Remove zero_operand.
6692 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6693 TARGET_BROKEN_SAVERESTORE.
6694 (zero_operand): Remove.
6695 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6696 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6698 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6699 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6700 TARGET_BROKEN_SAVERESTORE): Remove.
6701 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6703 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6705 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6708 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6710 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6712 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6713 truncating a string. Don't assume tokens are nul terminated.
6714 Problem noted by Andreas Jaeger <aj@suse.de>
6716 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6718 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6719 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6720 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6722 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6724 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6725 STRUCTURE_SIZE_BOUNDARY.
6727 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6729 * tree.h (record_layout_info_s): New structure.
6730 (record_layout_info): New type.
6731 (new_record_layout_info): New function.
6732 (layout_field): Likewise.
6733 (finish_record_layout): Likewise.
6734 * stor-layout.c (layout_record): Remove.
6735 (new_record_layout_info): New function.
6736 (layout_field): New function, broken out from layout_record.
6737 (finalize_record_size): Likewise.
6738 (compute_record_mode): Likewise.
6739 (finalize_type_size): New function, broken out from layout_type.
6740 (finish_record_layout): Likewise.
6741 (layout_type): Use them.
6743 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6745 * cpphash.c: Don't include version.h.
6746 (special_symbol) [case T_VERSION]: Look for the string in
6747 hp->value.cpval; don't use version_string.
6748 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6749 __VERSION__ to version_string.
6750 * Makefile.in (cpphash.o): Update deps.
6752 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6754 Convert cpplib to use libiberty/hashtab.c.
6756 * cpplib.h (struct cpp_reader): Make hashtab and
6757 all_include_files of type 'struct htab *'. Delete HASHSIZE
6758 and ALL_INCLUDE_HASHSIZE macros.
6760 * cpphash.h: Update prototypes.
6761 (struct hashnode): Remove next, prev, and bucket_hdr members.
6762 Make length a size_t. Add hash member.
6763 (struct ihash): Remove next member. Add hash member. Make
6764 name a flexible array member.
6766 * cppfiles.c: Include hashtab.h.
6767 (include_hash): Delete.
6768 (IHASHSIZE): New macro.
6769 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6770 (cpp_included): Do the hash lookup here.
6771 (_cpp_find_include_file): Rewrite.
6772 (cpp_read_file): Put the "fake" hash entry into the hash
6773 table. Honor the control_macro, if it turns out we've seen
6774 the file before. Don't push the buffer here.
6775 (_cpp_read_include_file): Push the buffer here.
6776 (OMODES): New macro. Use it whenever we call open(2).
6778 * cpphash.c: Include hashtab.h.
6779 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6780 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6781 _cpp_lookup_slot): New functions.
6782 (HASHSIZE): new macro.
6783 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6784 (_cpp_lookup): Use hashtab.h routines.
6786 * cppinit.c: Include hashtab.h.
6787 (cpp_reader_init): Call _cpp_init_macro_hash and
6788 _cpp_init_include_hash. Don't allocate hashtab directly.
6789 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6790 pfile->all_include_files.
6791 (initialize_builtins): Use _cpp_make_hashnode and
6792 htab_find_slot to add hash entries.
6793 (cpp_finish): Just call _cpp_dump_macro_hash.
6794 * cpplib.c: Include hashtab.h.
6795 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6796 create hash entries.
6797 (do_pragma_poison, do_assert): Likewise.
6798 (do_include): Don't push the buffer here. Don't increment
6799 system_include_depth unless _cpp_read_include_file succeeds.
6800 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6802 (do_pragma_implementation): Use alloca to create copy.
6804 * Makefile.in: Update dependencies.
6806 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6808 * cppinit.c (cl_directive_handler): More K&R fixing.
6810 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6812 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6814 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6816 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6819 Change from char[] to macros.
6821 2000-03-12 Neil Booth <NeilB@earthling.net>
6823 * cppinit.c (cpp_start_read): Update indirect function
6826 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6828 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6831 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6832 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6834 2000-03-11 Neil Booth <NeilB@earthling.net>
6836 * cppinit.c (struct pending option): Replace undef with a
6837 pointer to a directive handling routine.
6838 (struct cpp_pending): Replace separate assert_ and define_
6839 lists with one directive_ list.
6840 (new_pending_define): Rename new_pending_directive. Extra
6841 argument is the directive's handling routine.
6842 (handle_option): Update to use new_pending_directive.
6844 2000-03-11 Neil Booth <NeilB@earthling.net>
6846 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6847 remap_filename, _cpp_read_include_file, actual_directory,
6848 hack_vms_include_specification): Replace bcopy(), index() etc
6849 calls. Add casts to some allocations. Make some variables
6850 pointers to const [unsigned] char.
6851 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6852 collect_formal_parameters): Similarly.
6853 * cppinit.c (struct pending_option, append_include_chain,
6854 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6855 cpp_start_read, new_pending_define, handle_option): Similarly.
6856 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6857 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6858 do_pragma_implementation, detect_if_not_defined,
6859 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6860 do_assert, do_unassert): Similarly.
6861 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6862 function prototypes.
6863 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6865 2000-03-10 Richard Henderson <rth@cygnus.com>
6867 * builtins.c (expand_builtin_strlen): Revert last change.
6868 Use emit_insn_before if we're at the beginning of a sequence.
6870 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6872 * builtins.c (expand_builtin_strlen): Make sure that we have something
6873 at the beginning of the sequence.
6875 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6878 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6880 2000-03-10 Richard Henderson <rth@cygnus.com>
6882 * except.c (can_throw): Use INTVAL on a CONST_INT.
6883 (reachable_handlers): Likewise.
6884 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6886 2000-03-10 Andreas Jaeger <aj@suse.de>
6888 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6889 MD_STARTFILE_PREFIX since those are not needed on linux.
6890 (ASM_FILE_START): New, from mips/gnu.h.
6892 2000-03-09 Richard Henderson <rth@cygnus.com>
6893 Alex Samuel <samuel@codesourcery.com> and others
6895 * Makefile.in (ssa.o): New rule.
6897 (STAGESTUFF): Add *.ssa and *.ussa.
6898 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6899 * rtl.def (PHI): New RTL expression.
6900 * rtl.h (clear_log_links): New declaration.
6901 (convert_to_ssa): Likewise.
6902 (convert_from_ssa): Likewise.
6903 * flow.c (split_edge): If the entry node falls through to the
6904 split edge's source block, split the entry edge.
6905 (clear_log_links): New function.
6906 * toplev.c (ssa_dump): New variable.
6907 (flag_ssa): Likewise.
6908 (f_options): Add "ssa".
6909 (compile_file): Create SSA dump files.
6910 (rest_of_compilation): Go to and from SSA if enabled.
6911 (decide_d_option): Handle -de for SSA dump files.
6914 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6916 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6919 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6921 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6923 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6925 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6926 (MD_STARTFILE_PREFIX_1): New macro.
6928 2000-03-09 Robert Lipe <robertl@sco.com>
6930 * config/ia64/ia64.c: Include system.h.
6932 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6934 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6935 (init_eh_nesting_info): Likewise.
6937 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6938 (TREE_NOTHROW): Rename from TREE_RAISES.
6939 * toplev.c (rest_of_compilation): Set it.
6940 * print-tree.c (print_node): Adjust.
6941 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6942 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6943 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6944 REG_EH_REGION note as appropriate.
6945 (libfunc_nothrow): New fn.
6946 (emit_library_call, emit_library_call_value): Use it.
6947 (expand_call): Check TREE_NOTHROW.
6949 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6950 DECL_ASSEMBLER_NAME.
6952 2000-03-09 Andreas Jaeger <aj@suse.de>
6954 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6955 (TARGET_MEM_FUNCTIONS): Define.
6957 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6959 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6961 * except.c (can_throw): See through a SEQUENCE.
6962 (nothrow_function_p): New fn.
6963 * except.h: Declare it.
6964 * function.c (current_function_nothrow): New var.
6965 (prepare_function_start): Initialize it.
6966 * output.h: Declare it.
6967 * toplev.c (rest_of_compilation): Set it.
6968 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6970 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6972 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6973 match. (cpp_compare_defs): Count the nul separator when
6974 advancing over argument names.
6976 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6978 * recog.c (preprocess_constraints): Matching constraints affect
6979 same alternative/different operand, not same operand/different
6982 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6983 register and a constant specially.
6985 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6987 * libgcc2.h: New file.
6988 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6990 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6992 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6993 * configure: Regenerate.
6996 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6998 * Makefile.in (LIBCPP_DEPS): New macro.
6999 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
7001 * cpperror.c: Include cpphash.h.
7002 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
7004 (lex): Don't use CPP_WARN_UNDEF.
7005 (_cpp_parse_expr): Return an int, the truth value.
7006 * cppfiles.c: Include cpphash.h.
7007 (_cpp_merge_include_chains): Move to cppinit.c and make static.
7008 * cppinit.c (include_defaults_array): Disentangle.
7009 (cpp_cleanup): Don't free the if stack here.
7010 (cpp_finish): Pop off all buffers, not just one.
7011 * cpplib.c (eval_if_expr): Return int.
7012 (do_xifdef): Rename do_ifdef.
7013 (handle_directive): Don't use CPP_PREPROCESSED.
7014 (cpp_get_token): Don't use CPP_C89.
7015 * fix-header.c: Don't use CPP_OPTIONS.
7017 * cpplib.h: Move U_CHAR, enum node_type, struct
7018 file_name_list, struct ihash, is_idchar, is_idstart,
7019 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
7020 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
7021 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
7022 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
7023 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
7024 of _cpp_simplify_pathname, _cpp_find_include_file,
7025 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
7026 Move struct if_stack to cpplib.c. Move struct cpp_pending to
7028 Change all uses of U_CHAR to be unsigned char instead.
7029 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
7031 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7033 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
7034 (dwarf2out_begin_prologue): Set it.
7035 (output_call_frame_info): Don't emit EH unwind info for leaves.
7037 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
7038 can occur outside of an EH region.
7039 * except.c: Correct comments about rethrow behavior.
7040 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
7042 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
7044 * flow.c (make_edges): Always call make_eh_edge for calls.
7046 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7048 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
7049 (struct cpp_buffer): Remove fname and underflow fields.
7050 (struct cpp_reader): Remove get_token field.
7051 (struct include_hash): Rename to struct ihash. Add typedef to
7053 (struct if_stack): Remove fname field.
7054 (IF_STACK_FRAME): Rename to IF_STACK.
7056 * cpperror.c (print_containing_files): Trust that there are no
7057 macro buffers below the top file buffer.
7058 * cppfiles.c: Replace all references to 'struct include_hash'
7059 with 'IHASH'. Rename initialize_input_buffer to
7060 init_input_buffer. Don't set or reference cpp_buffer->fname,
7061 use buffer->ihash->name instead.
7062 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
7063 not CPP_NULL_BUFFER.
7064 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
7065 IF_STACK_FRAME, IHASH not struct include_hash.
7066 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
7067 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
7068 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
7069 references to cpp_buffer->fname (delete entirely, or use
7070 ->ihash->name instead) and IF_STACK->fname.
7071 (cpp_push_buffer): Don't set new->underflow.
7072 (do_include): Use cpp_file_buffer.
7074 * cpphash.c (collect_formal_parameters): Remove duplicate
7075 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
7076 used as a macro argument name. Don't append "..." to namebuf
7077 for varargs macros. After we're done scanning, go through
7078 namebuf and make it NUL separated, not comma separated.
7079 (_cpp_compare_defs): Remove register tag from variables.
7080 Expect defn->argnames to be NUL separated.
7081 (_cpp_dump_definition): Expect defn->argnames to be NUL
7082 separated and in forward order.
7083 * cpphash.h: Update documentation of argnames field.
7085 2000-03-08 Richard Henderson <rth@cygnus.com>
7087 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
7088 to fail. Don't pre-expand the source operand.
7090 * i386.md (strlensi): Initialize eoschar and align before use.
7092 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7094 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
7095 CONSTRUCTOR element.
7097 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7099 * mips.c (mips_expand_prologue): If the last
7100 named argument is the vararg marker "va_list", treat it as
7101 an unnamed argument.
7103 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
7105 * dbxout.c (dbxout_parms): When correcting for promoted
7106 big-endian parameters, use the mode of the DECL_RTL rather
7107 than UNITS_PER_WORD.
7109 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
7111 * c-common.h (make_fname_decl): Declare.
7112 * c-common.c (make_fname_decl): Define.
7113 (declare_hidden_char_array): Remove.
7114 (declare_function_name): Use make_fname_decl.
7115 * c-decl.c (c_make_fname_decl): New function.
7116 (init_decl_processing): Set make_fname_decl.
7118 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
7120 * cccp.c (handle_directive): Initialize backslash_newlines_p.
7122 2000-03-07 Philipp Thomas <pthomas@suse.de>
7124 * po/POTFILES.in: Remove cppalloc.c from file list.
7126 2000-03-07 Steve Chamberlain <sac@pobox.com>
7128 * pj.c (pj_expand_prologue): current_function->args_info is
7129 now current_function_args_info.
7131 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
7132 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
7133 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
7135 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7137 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
7138 output as hexadecimal rather than the default octal.
7140 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7142 * cpphash.c (special_symbol): Fix thinko in previous commit.
7144 2000-03-07 Neil Booth <NeilB@earthling.net>
7146 * cppexp.c (struct operation, left_shift, right_shift,
7147 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
7148 "int"s to "unsigned int"s.
7149 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
7151 * cpplib.h: Update for above.
7152 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
7153 returned from allocations.
7155 * cppinit.c (opt_comp, parse_options): New functions.
7156 (handle_option): Use parse_option to parse a single command
7157 line option, that possibly takes an argument.
7158 (cpp_handle_options): Sort the array of command line options on
7159 first invocation (non-ASCII hosts only).
7160 (print_help): Update.
7162 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7164 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
7165 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
7167 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
7169 * cppinit.c (cpp_cleanup): Free imp->nshort also.
7171 * cpperror.c (cpp_print_containing_files,
7172 cpp_print_file_and_line, v_cpp_message): Rename to
7173 print_containing_files, print_file_and_line, and v_message.
7174 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
7175 to _cpp_parse_expr, parse_escape, and lex.
7176 (parse_charconst): Remove broken multibyte support.
7177 * cppfiles.c (include_hash): Make static.
7178 (cpp_included): New function.
7179 (merge_include_chains, find_include_file, finclude,
7180 simplify_pathname): Rename to _cpp_merge_include_chains,
7181 _cpp_find_include_file, _cpp_read_include_file, and
7182 _cpp_simplify_pathname.
7183 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7184 cpp_install, create_definition, macroexpand, compare_defs,
7185 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7186 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7187 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7188 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7190 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7192 * cpphash.h: Update prototypes.
7193 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7195 2000-03-07 Andrew Haley <aph@cygnus.com>
7197 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7198 PTRDIFF_TYPE should be based solely on Pmode.
7201 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7203 * rtl.h (rtunion_def): Constify member `rtstr'.
7204 (emit_line_note_after, emit_line_note, emit_line_note_force,
7205 emit_note, decode_asm_operands): Constify.
7207 * cse.c (canon_hash): Likewise.
7209 * dbxout.c (dbxout_block): Likewise.
7211 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7212 v_warning_for_asm): Likewise.
7214 * dwarfout.c (function_start_label): Likewise.
7216 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7217 emit_line_note_force): Likewise.
7219 * final.c (last_filename, asm_insn_count, final_scan_insn,
7220 output_source_line): Likewise.
7222 * function.h (struct emit_status): Likewise.
7224 * gcse.c (hash_expr_1): Likewise.
7226 * genattr.c (gen_attr, main): Likewise.
7228 * genattrtab.c (struct function_unit, current_alternative_string,
7229 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7230 attr_numeral, check_attr_test, check_attr_value,
7231 convert_set_attr_alternative, convert_set_attr,
7232 compute_alternative_mask, simplify_by_exploding, gen_attr,
7233 gen_unit): Likewise.
7235 * genflags.c (gen_insn): Likewise.
7237 * gengenrtl.c (type_from_format): Likewise.
7239 * genopinit.c (gen_insn): Likewise.
7241 * genoutput.c (n_occurrences, process_template, process_template):
7244 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7247 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7250 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7251 ggc_set_mark, ggc_get_size): Likewise.
7253 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7255 * optabs.c (init_one_libfunc): Likewise.
7257 * output.h (assemble_start_function): Likewise.
7259 * recog.c (decode_asm_operands): Likewise.
7261 * toplev.c (rest_of_compilation): Likewise.
7263 * tree.h (emit_line_note_after, emit_line_note,
7264 emit_line_note_force): Likewise.
7266 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7267 asm_emit_uninitialised, assemble_start_function,
7268 assemble_variable, const_hash, compare_constant_1,
7269 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7271 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7273 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7275 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7277 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7279 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7280 arm_dllimport_name_p): Likewise.
7282 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7285 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7287 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7289 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7290 arm_mark_dllexport, arm_mark_dllimport,
7291 arm_pe_encode_section_info): Likewise.
7293 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7294 ASM_FINISH_DECLARE_OBJECT): Likewise.
7296 * arm/thumb.c (thumb_function_prologue): Likewise.
7298 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7300 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7302 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7304 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7306 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7308 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7310 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7311 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7313 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7315 * i386/i386.c (asm_output_function_prefix): Likewise.
7317 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7319 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7321 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7323 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7324 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7325 ASM_OUTPUT_SECTION_NAME): Likewise.
7327 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7329 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7331 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7333 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7335 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7337 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7339 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7341 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7343 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7345 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7347 * mips/mips.md (movdi, movsi): Likewise.
7349 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7351 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7353 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7355 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7356 ASM_OUTPUT_ASCII): Likewise.
7358 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7359 output_mi_thunk, output_toc): Likewise.
7361 * rs6000/rs6000.md (movsi): Likewise.
7363 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7365 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7367 * v850/v850.c (print_operand, print_operand_address,
7368 v850_encode_data_area): Likewise.
7370 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7372 * config/mips/mips.md (zero_extendsidi2): Always force operand
7373 one to memory for mips16.
7375 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7377 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7378 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7379 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7380 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7381 (min_precision): Result is unsigned.
7382 (add_double, neg_double, mul_double): Low word is unsigned.
7383 (lshift_double, rshift_double, lrotate_double): Likewise.
7384 (rrotate_double, div_and_round_double): Likewise.
7385 (tree_floor_log2, compare_tree_int): New functions.
7386 (preserve_rtl_expr_temps): New declaration.
7387 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7388 (decl_attributes): Use tree_log2 to find alignment.
7389 Check for TREE_INT_CST_HIGH for format args.
7390 (min_precision): Now unsigned.
7391 Use tree_floor_log2.
7392 (truthvalue_conversion): Delete long-disabled code.
7393 * c-decl.c (finish_struct): Clean up tests on field width.
7394 (finish_function): Use compare_tree_int.
7395 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7396 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7397 (default_conversion, digest_init): Use compare_tree_int.
7398 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7399 Fix type errors in forming masks.
7400 * calls.c (initialize_argument_information): Use compare_tree_int.
7401 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7402 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7403 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7404 (store_field): Use compare_tree_int.
7405 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7406 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7407 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7408 (do_store_flag): Use compare_tree_int.
7409 * fold-const.c (encode, decode): Low part is always unsigned.
7410 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7411 (lshift_double, rshift_double, lrotate_double): Likewise.
7412 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7413 (fold_convert): Use compare_tree_int.
7414 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7415 (invert_truthvalue, case INTEGER_CST): Likewise.
7416 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7417 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7418 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7419 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7421 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7422 (expand_end_case): Use compare_tree_int.
7423 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7424 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7425 (layout_decl): Likewise.
7426 (layout_record, layout_union): Make sizes unsigned.
7427 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7428 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7429 * tree.c (struct type_hash): hashcode is unsigned.
7430 (build_type_attribute_variant, type_hash_list): Likewise.
7431 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7432 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7433 (build_complex_type): Likewise.
7434 (real_value_from_int_cst): Remove unneeded casts.
7435 (integer_all_onesp): Add casts.
7436 (tree_floor_log2, compare_tree_int): New functions.
7437 (build_index_type): Use tree_int_cst_sgn.
7438 * varasm.c (assemble_variable): Use compare_tree_int.
7440 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7442 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7444 * varasm.c (make_decl_rtl): Don't add a number to members of
7446 (make_function_rtl): Likewise.
7448 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7450 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7451 patch from 2000-01-28.
7453 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7455 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7456 filled with an insn from the jump target.
7458 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7460 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7461 (c4x_external_ref): Likewise.
7462 * config/c4x/c4x.c (struct name_list): Likewise.
7464 1999-12-16 Ben Collins <bcollins@debian.org>
7466 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7467 argument to genmultilib.
7468 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7469 the contents into the multilib.h header.
7470 * gcc.c: Declare multilib_exclusions for the specs file.
7471 (set_multilib_dir): Use it.
7472 (print_multilib_info): Likewise.
7473 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7474 to pass to genmultilib.
7476 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7478 * builtins.c (built_in_class_names, built_in_names): Constify a
7481 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7483 (_mcleanup): Ensure value matches format specifier in sprintf.
7485 * cpphash.c (special_symbol): Don't needlessly cast away
7488 * cppinit.c (base_name): Delete unused prototype.
7490 * mkdeps.c (deps_init): Make definition K&R safe.
7492 * tree.h (built_in_class_names, built_in_names): Constify a
7495 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7497 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7498 floating point instructions for epilogue delay.
7500 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7501 to gas if it supports .register pseudo.
7503 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7504 LONG_DOUBLE_TYPE_SIZE if not defined.
7505 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7506 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7508 * gengenrtl.c: Likewise.
7509 * print-rtl.c: Likewise.
7511 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7512 MASK_LONG_DOUBLE_128.
7513 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7514 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7515 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7516 (SUBTARGET_SWITCHES): Define.
7517 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7518 with -mlong-double-128.
7519 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7520 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7521 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7522 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7523 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7524 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7525 with -mlong-double-128.
7526 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7527 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7528 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7529 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7530 TARGET_LONG_DOUBLE_128): Define.
7531 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7532 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7533 long double on TARGET_ARCH64.
7535 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7537 * function.c (free_temps_for_rtl_expr): Don't free slots
7538 that have been pushed into a higher level.
7541 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7543 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7545 * basic-block.h (ALLOCA_REG_SET): Remove.
7546 (INITIALIZE_REG_SET): New macro.
7547 * flow.c (update_life_info): Use it.
7548 (calculate_global_regs_live): Likewise.
7549 (propagate_block): Likewise.
7550 * global.c (build_insn_chain): Likewise.
7551 * haifa-sched.c (schedule_region): Likewise.
7553 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7555 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7556 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7557 (DWARF_ARANGES_PAD_SIZE): New define.
7558 (output_aranges): Use it to pad the address range header.
7559 (DWARF_ROUND): Fix for non power of 2 rounding.
7561 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7563 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7565 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7567 * tree.def (RTL_EXPR): Update documentation.
7568 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7569 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7570 * function.c (preserve_rtl_expr_temp): New function.
7571 (preserve_rtl_expr_temps): Likewise.
7572 (preserve_rtl_expr_result): Use it.
7575 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7577 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7579 * regmove.c (copy_src_to_dest) Do not create src->dest move
7580 for unchanging destination.
7582 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7584 * function.h (struct sequence_stack): Remove rtl_expr.
7585 (struct emit_staus): Likewise.
7586 (seq_rtl_expr): Remove.
7587 * tree.h (free_temps_for_rtl_expr): Don't declare.
7588 (start_sequence_for_rtl_expr): Likewise.
7589 * rtl.h (preserve_rtl_expr_result): Likewise.
7590 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7591 (start_sequence_for_rtl_expr): Remove.
7592 (push_topmost_sequence): Don't save sequence_rtl_expr.
7593 (pop_topmost_sequence): Remove comment about not restoring it.
7594 (end_sequence): Don't set seq_rtl_expr.
7595 (init_emit): Don't initialize it.
7596 (mark_sequence_stack): Don't mark it.
7597 (mark_emit_status): Likewise.
7598 * except.c (protect_with_terminate): Use
7599 start_sequence_for_rtl_expr, not start_sequence.
7600 * expr.c (expand_expr, case RTL_EXPR): Don't call
7601 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7602 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7603 (preserve_rtl_expr_result): Remove.
7604 (free_temps_for_rtl_expr): Likewise.
7605 (pop_temp_slots): Likewise.
7606 (mark_temp_slot): Don't mark the rtl_expr.
7607 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7608 start_sequence_for_rtl_expr.
7610 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7612 * mkdeps.c, mkdeps.h: New files.
7613 * po/POTFILES.in: Add them.
7614 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7615 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7616 (mkdeps.o): New target.
7618 * cppfiles.c: Delete deps_output.
7619 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7620 OBJECT_SUFFIX, and base_name.
7621 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7623 (initialize_dependency_output): Use deps_init,
7624 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7625 all the unnecessary string bashing.
7626 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7628 * cpplib.c (do_include): Use deps_add_dep.
7629 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7630 deps_allocated_size, deps_size, deps_column members with
7631 single pointer to a struct deps. Delete prototype of
7634 * cppinit.c: Fix thinko in previous patch.
7636 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7638 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7639 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7640 (mode_for_size_tree): New function.
7641 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7642 * tree.h (mode_for_size_tree): New declaration.
7644 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7646 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7648 * stmt.c (is_body_block): Move...
7649 * dwarfout.c, dwarf2out.c: ...from here.
7650 * tree.h: Declare it.
7651 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7652 * final.c (final_start_function): Do call remove_unnecessary_notes
7655 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7657 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7659 * cpplib.h (_dollar_ok): New macro.
7660 (is_idchar, is_idstart): Use it.
7661 (IStable): Rename to _cpp_IStable. Declare it const if
7662 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7663 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7664 is_space): Update for renamed IStable.
7666 * cppinit.c: Delete all references to FAKE_CONST and CAT
7667 macros. Define init_IStable as empty macro if gcc >=2.7 or
7668 C99. Change TABLE() to ISTABLE and hardcode name of table.
7669 (cpp_start_read): Don't change the IStable based on
7672 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7673 changed. Handle '$' for char1 correctly.
7674 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7676 * cppexp.c (tokentab2): Make const.
7677 (cpp_lex): Make toktab const.
7678 * cppinit.c (include_defaults_array): Make const.
7679 (initialize_standard_includes): Make default_include const.
7681 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7683 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7684 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7685 (gen_decl_die): Likewise.
7686 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7687 (output_decl): Likewise.
7689 * varasm.c (make_function_rtl): If we change the name used in the
7690 rtl, update DECL_ASSEMBLER_NAME accordingly.
7691 (make_decl_rtl): Likewise.
7693 * toplev.c (rest_of_compilation): Tweak formatting.
7695 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7696 remove_unnecessary_notes.
7697 (debug_ignore_block): New fn.
7698 * toplev.h: Declare it.
7699 * emit-rtl.c (remove_unncessary_notes): Call it.
7700 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7701 * dwarf2out.h: Declare it.
7702 * final.c (final_start_function): Don't call remove_unnecessary_notes
7703 if we did insn scheduling.
7705 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7707 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7708 * cpplib.h: Delete SET_CPP_PEDANTIC.
7710 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7712 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7713 result is a RECORD_TYPE.
7715 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7717 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7719 2000-03-03 Richard Henderson <rth@cygnus.com>
7721 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7722 addition over compliments over shifts.
7724 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7726 * reload1.c (reload_combine_note_use): Handle return register USEs.
7727 REG case: Handle multi-hard-register hard regs.
7729 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7731 * md.texi: Document use of '*' in insn pattern name.
7733 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7735 * calls.c (special_function_p): operator new may not be malloc-like.
7737 * gcse.c (dump_hash_table): Really fix error in last change.
7739 2000-03-02 Denis Chertykov <denisc@overta.ru>
7741 * avr.c (print_operand): Use print_operand_address instead of
7743 * avr/libgcc.S: Cleanup code.
7745 2000-03-02 Richard Henderson <rth@cygnus.com>
7747 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7749 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7751 * tree.h (TYPE_ALIGN_UNIT): New macro.
7753 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7755 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7757 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7759 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7761 (SET_CPP_PEDANTIC): New macro.
7762 * cpplib.c (do_include): Don't bother checking system_header_p.
7763 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7764 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7766 * function.h (struct expr_status): Add x_arg_space_so_far.
7767 (arg_space_so_far): New macro.
7768 * expr.c (init_expr): Initialize it.
7769 * calls.c (emit_call_1): Reset it.
7770 (compute_argument_block_size, expand_call): Use it.
7771 (expand_call, store_one_arg): Increment it.
7773 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7775 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7778 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7780 * cppfiles.c (cpp_read_file): New function.
7782 * cpphash.c (collect_expansion): Make sure to reset last_token
7783 to NORM when we hit a string. Handle trailing whitespace
7784 properly when the expansion is empty.
7785 (create_definition): Disable line commands while parsing the
7787 (dump_definition): If pfile->lineno == 0, output a line
7788 command ahead of the dump, and add a trailing newline.
7790 * cppinit.c (append_include_chain): Add fifth argument, which
7791 indicates whether or not system headers are C++ aware.
7792 (initialize_standard_includes): New function,
7793 broken out of read_and_prescan. Pass 'cxx_aware' value from
7794 the include_defaults_array on to append_include_chain.
7795 (dump_special_to_buffer): Const-ify char array.
7796 (builtin_array): Don't dump __BASE_FILE__.
7797 (cpp_start_read): Use cpp_read_file. Reorder code for
7798 clarity. Don't output line commands here for -D/-A/-U
7799 switches. Don't call deps_output for files included with
7800 -include or -imacros.
7802 * cpplib.c (do_define): Don't pay any attention to the second
7804 (cpp_expand_to_buffer): Disable line commands while scanning.
7805 (output_line_command): Work in the file buffer.
7806 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7807 Fix formatting of comments. Prototype cpp_read_file.
7809 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7811 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7812 reference the language-equivalent of sizetype.
7813 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7814 * fold-const.c (size_binop, size_diffop): Put back checks.
7815 * gcse.c (dump_hash_table): Fix minor error in last change.
7816 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7817 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7820 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7822 * calls.c (expand_call) Do not attempt to combine stack adjustments
7823 with inhibit_defer_pop set.
7825 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7827 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7828 the DECL_SIZE for a FIELD_DECL.
7830 2000-03-01 Bruce Korb <bkorb@gnu.org>
7832 * fixinc/inclhack.tpl: remove unused symlinks
7833 * fixinc/README: GCC Maintainer info
7834 * fixinc/inclhack.sh: regen
7835 * fixinc/fixincl.sh: regen
7837 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7839 * cpphash.c (collect_expansion): Trim trailing white space
7840 from macro definitions, but don't go past the last insertion
7843 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7845 * i386.md (mulqi3): New pattern.
7847 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7849 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7851 (struct cpp_reader): Add parsing_if_directive and
7852 parsing_define_directive flags.
7853 (struct cpp_options): Remove output_conditionals flag.
7854 (check_macro_name): Delete prototype.
7856 * cpphash.h (struct macrodef): Delete.
7857 (struct reflist): Separate from struct definition.
7858 (struct definition): Remove unused fields. Add column number.
7859 (create_definition): Returns a DEFINITION *. Takes a
7860 cpp_reader * and an int.
7862 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7863 (PEEKC): Copy defn from cpplib.c.
7864 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7866 (struct arglist): Simplify.
7867 (collect_expansion): Rewrite. Get tokens by calling
7868 cpp_get_token. Add more error checking.
7869 (collect_formal_parameters): New function, broken out of
7870 create_definition and reworked to use get_directive_token.
7871 (create_definition): All real work is now in collect_expansion
7872 and collect_formal_parameters. do_define handles finding the
7873 macro name. Return a DEFINITION, not a MACRODEF.
7874 (macroexpand): Replace bcopy with memcpy throughout. Replace
7875 character-at-a-time copy loop with memcpy and pointer increments.
7876 (compare-defs): d1->argnames / d2->argnames might be null.
7878 * cpplib.c (copy_rest_of_line): Delete function.
7879 (skip_rest_of_line): Do all the work ourselves.
7880 (skip_string): New function.
7881 (parse_string): Use skip_string.
7882 (get_macro_name): New function.
7883 (check_macro_name): Delete.
7884 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7885 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7886 (handle_directive): ICE if we're called on a macro buffer.
7887 (do_define): Determine macro name and type (funlike/objlike)
7888 here. Expunge all uses of MACRODEF.
7889 (cpp_push_buffer): Set line_base to NULL.
7890 (do_undef, read_line_number): Don't worry about getting a POP token.
7891 (eval_if_expression): Set/reset parsing_if_directive around
7892 cpp_parse_expr. Don't clear only_seen_white.
7893 (skip_if_group): Remove output_conditionals logic. Use
7895 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7896 tokens under appropriate conditions.
7897 (cpp_unassert): Call do_unassert not do_assert. Oops.
7899 * cppexp.c (parse_defined): New function, break out of
7901 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7902 ourselves, with cpp_defined.
7903 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7905 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7906 * gcc.dg/strpaste-2.c: New.
7908 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7910 * fold-const.c (size_binop): Don't asert inputs are the same and
7911 have TYPE_IS_SIZETYPE set.
7912 (size_diffop): Likewise.
7914 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7916 * dwarfout.c (output_block): Output abstract blocks even if they
7917 don't have TREE_ASM_WRITTEN set.
7919 * calls.c (emit_library_call): Check for null REG.
7921 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7923 * c-decl.c (current_function_decl): Move to toplev.c.
7924 (init_decl_processing): Don't add current_function_decl as a ggc
7926 * dbxout.c (dbxout_symbol): Change return type to int.
7927 (dbxout_symbol_location, dbxout_syms): Likewise.
7928 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7929 any locals. Use current_function_func_begin_label if set.
7930 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7931 * dwarf2out.c (dwarf2out_begin_prologue): Set
7932 current_function_func_begin_label.
7933 * final.c (final_start_function): Reset it.
7934 * toplev.c (current_function_decl): Define it here.
7935 (current_function_func_begin_label): New variable.
7936 (main): Add both as ggc roots.
7937 * tree.h (current_function_func_begin_label): Declare.
7939 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7941 * gcse.c: Cleanups throughout: mostly white-space, but also
7942 some minor rearrangement of code.
7944 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7946 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7947 returns a PARALLEL. Use emit_group_load and use_group_regs
7949 (emit_library_call_value): Similarly.
7951 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7952 * pa/quadlib.asm: Remove.
7953 * pa/quadlib.c: New file.
7955 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7956 * configure: Rebuilt.
7958 2000-02-29 Philip Blundell <pb@futuretv.com>
7960 * config/arm/conix-elf.h: New file.
7961 * configure.in (arm*-*-conix*): New configuration.
7962 * configure: Regenerate.
7964 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7966 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7967 don't have TREE_ASM_WRITTEN set.
7969 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7971 * Eliminate DECL_FIELD_SIZE.
7972 * builtins.c (built_in_class_names, built_in_names): New variables.
7973 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7974 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7975 DECL_SIZE, not DECL_FIELD_SIZE.
7976 * print-tree.c (print_node): Remove code that prints extra blank
7977 lines in some cases.
7978 Properly handle inline and builtin function cases.
7979 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7980 * tree.h (built_in_class_named, built_in_names): New declarations.
7981 (union tree_decl): Rename internal unions to u1 and u2 and change
7982 some of their components.
7983 Add new field built_in_class.
7984 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7985 Reflect above changes.
7986 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7987 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7988 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7989 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7991 2000-02-28 Dmitri Makarov <dim@windriver.com>
7993 * extend.texi: Document ARM's support for long/short calls.
7995 * invoke.texi: Document ARM's -mlong-calls command line switch.
7997 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7998 (arm_encode_call_attribute): Add prototype.
7999 (arm_set_default_type_attribute): Add prototype.
8000 (arm_strip_name_encoding): Add prototype.
8002 * config/arm/arm.c (arm_init_cumulative_args): replace
8003 initialisation og 'long_calls' field with initialisation of
8004 'call_cookie' field.
8005 (enum arm_pragma_enum): New enum.
8006 (arm_pragma_long_calls): New static variable.
8007 (arm_process_pragma): Also process "#pragma long_calls_off".
8008 (arm_valid_type_attribute_p): Accept short_call attribute.
8009 (arm_comp_type_attributes): Check long/short call attributes.
8010 (arm_encode_call_attribute): New function: Encode long_call
8011 or short_call attribute in function name.
8012 (arm_set_default_type_attributes): New function: Assign
8013 default attributes to newly defined type.
8014 (current_file_function_operand): New function: Return true if
8015 the symbol is a function which has already been compiled.
8016 (arm_is_longcall_p): New function: Return true if the
8017 indicated function should be called via a long call.
8018 (arm_get_strip_length): New function. Returns number of
8019 prefix characters to be stripped from a function's name.
8020 (arm_strip_name_encoding): New function. Strip prefix characters
8021 from a function's name.
8023 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
8025 (SHORT_CALL_FAG_CHAR): Define.
8026 (LONG_CALL_FAG_CHAR): Define.
8027 (ENCODED_SHORT_CALL_ATTR_P): Define.
8028 (ENCODED_LONG_CALL_ATTR_P): Define.
8029 (ARM_NAME_ENCODING_LENGTHS): Define.
8030 (STRIP_NAME_ENCODING): Define.
8031 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
8032 (ARM_ENCODE_CALL_TYPE): Define.
8033 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
8034 (ARM_DECLARE_FUNCTION_SIZE): Define.
8035 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
8037 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
8038 if a long call is needed.
8039 (call_value): Ditto.
8040 (call_symbol): Ditto.
8042 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
8043 ARM_DECLARE_FUNCTION_SIZE.
8045 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
8046 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
8047 (ARM_STRIP_NAME_ENCODING): Undefine.
8048 (STRIP_NAME_ENCODING): Undefine.
8049 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
8050 (ASM_DECLARE_FUNCTION_NAME): Ditto.
8051 (ASM_OUTPUT_COMMON): Ditto.
8052 (ASM_DECLARE_OBJECT_NAME): Ditto.
8054 * config/arm/pe.c (arm_dllexport_name_p): Check for
8056 (arm_dllimport_name_p): Ditto.
8057 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
8058 (arm_mark_dllimport): Ditto.
8060 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8062 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
8064 2000-02-28 Mark Mitchell <mark@codesourcery.com>
8066 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
8068 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
8070 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
8071 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
8072 NO_BUILTIN_WCHAR_TYPE is not defined.
8073 (CPP_WCHAR_TYPE): Delete.
8074 * cccp.c (main): Don't change wchar_type if cplusplus.
8075 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
8077 2000-02-28 Nick Clifton <nickc@cygnus.com>
8079 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
8081 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
8083 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
8084 (ASM_WEAKEN_LABEL): Define.
8086 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
8088 * expr.c (store_constructor): Do not emit USE.
8089 * rtl.h (stupid_life_analysis): Remove.
8091 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8093 * function.c (number_blocks): Reset next_block_index based on
8094 what debugging format is used, not what is defined.
8096 * lcm.c: Minor reformatting throughout.
8097 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
8099 * toplev.c (rest_of_compilation): Account for time in
8100 optimize_mode_switching.
8102 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
8103 if only marking labels.
8105 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
8107 * calls.c (expand_call): Attempt to combine stack adjustments with
8108 pending stack adjustments.
8110 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8112 * loop.c (reg_in_basic_block_p): Don't abort when falling through
8113 to the end of the function.
8115 2000-02-27 Mark Mitchell <mark@codesourcery.com>
8117 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
8119 * final.c (next_block_index): Remove.
8120 (max_block_depth): Likewise.
8121 (pending_blocks): Likewise.
8122 (init_final): Don't initialize them.
8123 (final_start_function): Don't set next_block_index. Set up
8125 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
8126 * function.h (number_blocks): New function.
8127 * function.c (get_block_vector): New function.
8128 (identify_blocks): Use it.
8129 (reorder_blocks): Set NOTE_BLOCK.
8130 (number_blocks): New function.
8131 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
8132 * tree.h (BLOCK_NUMBER): New macro.
8133 (tree_block): Add block_num field.
8134 * dbxout.c (next_block_number): Remove.
8135 (dbxout_init): Don't set it.
8136 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
8137 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
8139 * toplev.c (rest_of_compilation): Always call
8140 find_loop_tree_blocks. Fix indentation.
8141 * dwarf2out.c (next_block_number): Remove.
8142 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8143 to determine block numbers.
8144 (gen_inlined_subroutine_die): Likewise.
8145 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
8146 (decls_for_scope): Don't increment next_block_number.
8147 * dwarfout.c (next_block_number): Remove.
8148 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8149 to determine block numbers.
8150 (output_inlined_subroutine_die): Likewise.
8151 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
8152 (output_decls_for_scope): Don't increment next_block_number.
8153 * sdbout.c (next_block_number): Remove.
8154 (sdbout_block): Use BLOCK_NUMBER.
8155 (sdbout_begin_block): Simplify.
8156 * xcoffout.c (next_block_number): Remove.
8157 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
8158 (xcoffout_begin_block): Don't set next_block_number.
8159 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
8162 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8164 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
8165 (expand_builtin_strcpy): Pass correct type to size_binop.
8166 (expand_builtin_strcmp): Likewise.
8167 Clean up conditional structure.
8168 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
8169 (complete_array_type): Don't use size_binop for MAXINDEX.
8170 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
8171 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
8172 (c_alignof): Use size_one_node.
8173 (build_unary_op): Pass arg of proper type to size_binop.
8174 (really_start_incremental_init, push_init_level): Use sizetype for
8175 constructor{,_bit,_unfilled}_index.
8176 (pop_init_label, output_init_element): Likewise.
8177 (output_pending_init_elements, process_init_element): Likewise.
8178 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
8179 * expr.c (store_expr): Use size_int.
8180 (store_constructor): Use proper types for size_binop args.
8181 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
8182 (expand_expr_unaligned): Likewise.
8183 (string_contant): Return object of sizetype.
8184 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8185 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8186 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8187 * fold-const.c (int_const_binop): Refine when size_int is called.
8188 (fold_convert): Likewise.
8189 (size_int_wide): Rework to take KIND as arg, only take low order
8190 bits, handle new sizetype_tab datatype, and chain entries in
8192 (size_int_type_wide): New function.
8193 (size_binop): Validate types of arguments.
8194 (ssize_binop): Deleted.
8195 (size_diffop): New function.
8196 (extract_muldiv): Only fold division into multiplication for sizetypes.
8197 * function.c (assign_parms): Use size_diffop and make sure
8198 VAR field is of ssizetype; also pass proper type to size_binop.
8199 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8200 (round_down): Deleted from here.
8201 * store-layout.c (sizetype_tab): Now an array.
8202 (sizetype_set, early_root_list): New variables.
8203 (variable_size): Use size_one_node.
8204 (round_up): Pass proper type to size_binop.
8205 (round_down): Moved to here and corrected as above.
8206 (layout_record): Pass proper arg types to size_binop.
8207 (layout_type): Likewise.
8208 If sizetype_set is zero, record the type just laid out.
8209 (make_unsigned_type): Don't call set_sizetype;
8210 (make_signed_type): Likewise; also, call fixup_signed_type.
8211 (initialize_sizetypes): New function.
8212 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8213 set name of bitsizetype to "bit_size_type".
8214 Fix up type of sizes of all types made before call.
8215 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8216 * tree.c (fix_sizetype): Deleted.
8217 (build_common_tree_nodes): Call initialize_sizetypes.
8218 (build_common_tree_nodes_2): Don't call fix_sizetype.
8219 * tree.h (TYPE_IS_SIZETYPE): New macro.
8220 (initialize_sizetype): New declaration.
8221 (enum size_type_kind): New type.
8222 (struct sizetype_tab): Deleted.
8223 (sizetype_tab): Now array; adjust sizetype macros.
8224 (size_diffop, size_int_type_wide): New functions.
8225 (size_int_wide): Change number of args and type; access macros changed.
8226 (ssize_int, sbitsize_int): New macros.
8227 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8228 (ROUND_TYPE_SIZE_UNIT): New macro.
8230 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8232 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8234 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8236 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8237 Mark as possibly unused.
8239 * cse.c (cse_insn): Delete dead code involving tablejump.
8240 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8242 * Makefile.in (libcpp.a): Start by deleting it.
8244 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8246 * cpplib.h (enum file_change_code): Added rename_file.
8247 * cpplib.c (do_line): If a filename is given, set file_change to
8249 (output_line_command): If file_change is rename_file, always
8250 output a # directive with the file name.
8252 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8254 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8256 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8257 when copying a PARM_DECL or RESULT_DECL.
8259 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8261 * fix-header.c (recognized_function): Also fix prototypes for
8262 functions taking "void".
8264 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8266 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8267 looking at reg_reloaded_contents.
8269 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8271 * Makefile.in (STMP_FIXINC): New toggle.
8272 (LIBGCC2_DEPS): Delete all references.
8273 (stmp-headers): Delete target. All references either deleted
8274 or changed to stmp-int-headers.
8275 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8276 (LIBCPP_OBJS): Take out cppalloc.o.
8277 (cppalloc.o): Delete target.
8278 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8279 (gen-protos, fix-header): Link with libiberty.a.
8280 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8283 * configure.in: Remove refs to strerror.
8284 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8285 * system.h: Take out strerror stanza.
8287 * cpperror.c (my_strerror): Delete function.
8288 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8289 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8290 * cppalloc.c: Delete file.
8291 * gen-protos.c: Don't provide xrealloc.
8293 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8294 xstrerror throughout.
8296 2000-02-26 Bruce Korb <bkorb@gnu.org>
8298 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8299 match for DOS headers, too.
8300 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8302 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8304 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8305 is right for most ELF targets.
8306 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8307 Let the default file use %U properly.
8308 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8311 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8314 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8316 * toplev.c (documented_lang_options): Correct spelling error.
8317 (decode_d_option, decode_f_option, main): Likewise.
8319 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8321 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8322 to tell assembler it is permitted to expand large constants.
8324 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8326 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8327 (aux_info_suffix): Use.
8328 (SAVE_SUFFIX): New macro.
8330 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8331 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8332 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8334 * invoke.texi (Running Protoize): Update documentation.
8336 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8338 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8340 2000-02-25 John Wehle (john@feith.com)
8342 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8344 2000-02-25 Anthony Green <green@cygnus.com>
8346 * toplev.c (rest_of_compilation): Rebuild jump labels if
8347 combine_instructions has created a new direct jump.
8348 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8350 (combine_instructions): Call try_combine with new argument.
8351 Return non-null value when new direct jump instruction is created.
8352 * rtl.h: combine_instructions returns an int.
8354 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8356 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8357 jump when changing a computed jump into a jump to a known
8360 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8362 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8363 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8365 * i386.md (define_expand "clrstrsi"): Fix typo.
8367 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8369 * rtl.texi: Fix typo.
8371 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8373 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8374 UNITS_PER_WORD. Change caller initial_elimination_offset.
8375 (rounded_frame_size): Take into account that argument pushed has
8376 changed. Fix TARGET_ALIGN_DOUBLE problem.
8378 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8380 * haifa-sched.c (schedule_block): Explain the real reason
8381 we delete REG_SAVE_NOTEs on the first insn of a block.
8382 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8384 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8386 * input.h (push_srcloc): New function.
8387 (pop_srcloc): Likewise.
8388 * toplev.c (push_srcloc): Define it.
8389 (pop_srcloc): Likewise.
8391 2000-02-24 Richard Henderson <rth@cygnus.com>
8393 * flow.c (life_analysis): When collecting reg info, clear
8396 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8398 Fix bug exposed by reload.c no longer rounding the frame
8399 size to BIGGEST_ALIGNMENT:
8400 * sh.c (rounded_frame_size): New function.
8401 (sh_expand_prologue, sh_expand_epilogue): Use it.
8402 (initial_elimination_offset): Likewise.
8404 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8406 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8407 * sh-protos.h (sh_need_epilogue): Declare.
8408 * sh.c (sh_need_epilogue_known): New static variable.
8409 (sh_need_epilogue): New function.
8410 (function_epilogue): Clear need_epilogue_known.
8411 * sh.md (return): Split into expander / insn pattern.
8412 Make the expander conditional on ! sh_need_epilogue ().
8414 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8416 * machmode.h (get_mode_alignment): Declare.
8417 (GET_MODE_ALIGNMENT): Call it.
8418 * stor-layout.c (get_mode_alignment): New function. Make
8419 sure alignment is always power of 2.
8421 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8423 * i386.h: Remove useless definition of "I386" and misleading
8426 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8428 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8429 under which TREE_PERMANENT will be set.
8430 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8431 build1): Use TREE_SET_PERMANENT.
8432 * print-tree.c (print_node): Don't report value of
8433 TREE_PERMANENT if ggc_p is true.
8435 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8436 decide whether to give a type a new alias set.
8437 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8438 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8439 of value of 'obstack'.
8442 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8444 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8446 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8448 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8449 * cpplib.c (cpp_get_token): Produce them.
8450 * cppexp.c (cpp_lex): Handle them.
8452 2000-02-23 Nick Clifton <nickc@cygnus.com>
8454 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8455 comment tests on type attributes.
8457 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8459 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8460 conform to documentation.
8461 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8462 to check for special cases.
8463 * sh-protos.h (sh_loop_align): Declare.
8464 * sh.c (sh_loop_align): Define.
8466 2000-02-22 Andrew Haley <aph@cygnus.com>
8468 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8469 (SIZE_TYPE): Is 32 bits when using -mgp32.
8470 (PTRDIFF_TYPE): Ditto.
8472 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8474 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8476 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8478 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8479 BIGGEST_FIELD_ALIGNMENT a constant.
8481 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8483 * dwarf2out.c (output_line_info): Put the marker for the end of
8484 the line number info at the actual end.
8485 (gen_struct_or_union_type_die): Use decl_function_context
8486 to check for local classes.
8487 * dwarfout.c (output_type): Likewise.
8489 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8491 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8492 for arguments with a mode, but no type.
8493 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8494 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8495 * pa/long_double.h: New file.
8496 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8497 both have 128bit wide long doubles.
8498 * configure: Rebuilt.
8500 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8502 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8504 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8505 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8506 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8508 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8510 * integrate.c (compare_blocks, find_block): Likewise.
8512 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8514 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8516 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8517 expand_asm_operands): Likewise.
8519 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8521 * predict.c (estimate_probability): Added the pointer heuristic to
8522 the collection of static branch predictors.
8524 2000-02-21 Catherine Moore <clm@cygnus.com>
8526 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8527 * invoke.texi (-mfix7000): Document.
8529 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8531 * diagnostic.c (init_output_buffer): Make it possible to output at
8532 least 32 characters if we're given a too long prefix.
8534 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8536 * varasm.c (initializer_constant_valid_p): Call
8537 lang_expand_constant to simplify the constant.
8539 2000-02-20 Bruce Korb <bkorb@gnu.org>
8541 * fixinc/inclhack.def(stdio_va_list):
8542 typedef needs to be disabled.
8543 * fixinc/inclhack.sh: regen
8544 * fixinc/fixincl.x: regen
8546 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8548 * print-rtl.c (print_rtx): Don't print addresses when
8549 flag_dump_unnumbered.
8551 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8553 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8555 (sparc_va_arg, sparc_flat_output_function_prologue,
8556 sparc_flat_output_function_epilogue): Cast value to unsigned in
8558 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8560 * sparc.md: Add default case in switch.
8562 2000-02-19 Richard Henderson <rth@cygnus.com>
8564 * c-typeck.c (add_pending_init): Don't abort for multiple
8565 fields at the same offset.
8566 (pending_init_member): Test the correct member.
8568 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8570 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8572 (start_catch_handler) : Same.
8574 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8576 * Makefile.in: Have flow.o depend on $(EXPR_H)
8578 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8580 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8581 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8582 (finish_decl): Remove -Wlarger-than code from here.
8583 * flags.h (id_clash_len): Now int.
8584 (larger_than_size): Now HOST_WIDE_INT.
8585 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8586 Clean up checking to see if in table.
8587 (make_bit_field_ref): Remove extra parm to bitsize_int.
8588 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8589 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8590 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8591 and for computing size of decl.
8592 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8593 Move -Wlarger-than code to here.
8594 (layout_record): Remove extra arg to bitsize_int.
8595 Set TYPE_BINFO_SIZE_UNIT.
8596 (layout_union): Remove extra arg to bitsize_int.
8597 Use proper type for size of QUAL_UNION.
8598 (layout_type): Remove extra arg to bitsize_int.
8599 * toplev.c (id_clash_len): Now int.
8600 (larger_than_size): Now HOST_WIDE_INT.
8601 (decode_W_option): Clean up id-clash and larger-than- cases.
8602 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8603 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8604 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8605 (struct tree_decl): New field size_unit.
8606 (size_int_wide): No HIGH operand; NUMBER is now signed.
8607 (size_int_2): Deleted.
8608 (size_int, bitsize_int): Don't use it and rework args.
8609 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8611 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8613 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8615 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8617 * invoke.texi (Warning Options): Add an explanation of why
8618 you might want the -Wfloat-equal flag.
8620 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8622 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8623 * cppinit.c (new_pending_define): Add cast to avoid warning.
8624 * expmed.c (extract_bit_field): Likewise.
8625 * flow.c (enum reorder_skip_type): New type.
8626 (skip_insns_between_blcok): New it.
8627 Rework to avoid warning about possibly undefined variable.
8628 * function.c (assign_parms): Make thisparm_boundary unsigned.
8629 * genrecog.c (write_switch): Cast XWINT result to int.
8630 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8631 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8632 one for MIPS and one for Alpha.
8633 (get_tag, copy_object): Add casts to avoid warnings.
8634 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8635 * reload.c (find_reloads): Make TYPE enum reload_type.
8636 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8637 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8638 * varasm.c (compare_constant_1): Add cast to avoid warning.
8639 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8641 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8642 Cast switch operand of size to int.
8643 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8644 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8647 2000-02-18 Nick Clifton <nickc@cygnus.com>
8649 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8650 anything for an alignment of zero.
8652 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8653 anything for an alignment of zero.
8655 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8657 * gcc.texi (Bug Reporting): Refer to bugs.html.
8658 (Bug Lists): Likewise.
8659 * system.h (GCCBUGURL): New preprocessor define.
8660 * rtl.c (fancy_abort): Use it.
8661 * gcc.c (main): Likewise.
8663 2000-02-18 Richard Henderson <rth@cygnus.com>
8665 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8666 (life_analysis_1): Subsume into ...
8667 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8668 Use update_life_info for the relaxation.
8669 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8670 entry and regs_live_at_setjmp.
8671 (set_noop_p): Simplify.
8672 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8673 (record_volatile_insns): Split into ...
8674 (delete_noop_moves): ... here,
8675 (notice_stack_pointer_modification): ... here,
8676 (insn_dead_p): ... and here.
8677 (propagate_block): Don't query INSN_VOLATILE.
8678 (mark_used_regs): Mind !PROP_REG_INFO.
8679 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8680 not in life_analysis.
8682 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8684 * loop.c (canonicalize_condition): New function,
8685 broken out of get_condition.
8686 (get_condition): Use it.
8687 * expr.h (canonicalize_condition): Prototype it.
8689 * tree.h (tree_int_cst_msb): Declare.
8690 * tree.c (tree_int_cst_msb): New function.
8692 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8694 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8697 * invoke.texi (-fmessage-length=n): Document.
8699 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8701 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8703 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8705 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8708 2000-02-17 Nick Clifton <nickc@cygnus.com>
8710 * config/arm/thumb.c: Replace includes of system headers with
8711 #include "system.h".
8713 2000-02-16 Richard Henderson <rth@cygnus.com>
8715 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8716 Add crtbeginS.o and crtendS.o.
8717 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8718 (ENDFILE_SPEC): Use crtendS.o.
8719 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8721 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8722 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8724 (__dso_handle): New variable.
8725 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8726 bias to __CTOR_END__.
8728 2000-02-16 Richard Henderson <rth@cygnus.com>
8730 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8732 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8734 * longlong.h (__clz_tab): Declare as static to match definition.
8736 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8737 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8738 (XREF_FILE_NAME): Define.
8740 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8741 (EH_FRAME_SECTION_ASM_OP): Define.
8742 (IDENT_ASM_OP): Define.
8743 (TEXT_SECTION_ASM_OP): Define.
8745 (CTORS_SECTION_ASM_OP): Define.
8746 (CTOR_SECTION_FUNCTION): Use it.
8747 (DTORS_SECTION_ASM_OP): Define.
8748 (DTOR_SECTION_FUNCTION): Use it.
8750 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8752 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8755 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8756 debug_bb_n): New functions.
8757 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8758 * basic-block.h: Prototype new functions.
8760 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8762 * configure.in: Add support for avr target.
8763 * configure: Rebuilt.
8765 * invoke.texi: Add AVR invocation docs.
8766 * install.texi: Add information about AVR.
8767 * md.texi: Add AVR constraint letters description.
8768 * extend.texi: Add description for AVR specific attributes.
8770 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8772 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8774 2000-02-16 Nick Clifton <nickc@cygnus.com>
8776 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8777 (make_insn_raw): Move RTL check here.
8779 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8781 * version.c: Include gansidecl.h and version.h.
8783 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8785 * configure.in (gcc_version): When setting, narrow search to
8786 lines containing `version_string'.
8788 * Makefile.in (mainversion): Likewise.
8789 (GCC_H): New variable.
8790 (gcc.h): Delete target.
8791 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8792 (version.o): Depend on version.h.
8793 (dbxout.o): Don't depend on gcc.h.
8795 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8796 Michael Meissner <meissner@cygnus.com>
8798 * md.texi (Simple Constraints): Add item about whitespace.
8799 * genoutput.c (strip_whitespace): New.
8800 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8801 strip_whitespace for constraints.
8802 Test pointer using NULL, not 0.
8804 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8806 * cpplib.c (do_line): Pedwarn for #line > 32767.
8808 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8810 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8812 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8813 to default cpp spec.
8814 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8815 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8818 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8821 2000-02-15 Denis Chertykov <denisc@overta.ru>
8823 * configure.in: Add support for avr target.
8825 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8827 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8828 (sh_addr_diff_vec_mode): Don't declare.
8829 * sh.c (sh_addr_diff_vec_mode): Delete.
8831 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8833 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8835 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8837 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8838 (smulsi3_highpart_i): Name.
8839 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8840 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8841 (smulsi3_highpart, umulsi3_highpart): Likewise.
8843 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8844 correctly independent of endianness.
8845 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8846 confuse the optimizers.
8847 (mulsidi3+1, umulsidi3+1): New define_split.
8849 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8851 * config/sh/sh.md: Guard insn splits against illegal registers.
8852 * config/sh/sh.h: Correct comment about macros.
8854 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8855 Andrew MacLeod <amacleod@cygnus.com>
8857 * Makefile.in (lcm.o): Depend on insn-attr.h.
8858 * basic-block.h (optimize_mode_switching): Declare.
8859 * lcm.c (tm_p.h, insn-attr.h): #include.
8860 (seginfo, bb_info): New structs.
8861 (antic, transp, comp, delete, insert) : New file-scope static variables.
8862 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8863 (reg_becomes_live, optimize_mode_switching): Likewise.
8864 * tm.texi: Add description of mode switching macros.
8865 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8867 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8868 (fldi_ok, fpscr_set_from_mem): New prototypes.
8869 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8870 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8871 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8872 (sh_flag_remove_dead_before_cse): Remove declaration.
8873 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8874 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8875 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8876 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8877 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8878 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8879 (fldi_ok): New function.
8880 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8881 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8882 (emit_df_insn): Likewise.
8883 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8884 (sh_flag_remove_dead_before_cse): Delete.
8885 (get_free_reg, fpscr_set_from_mem): New functions.
8886 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8887 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8889 2000-02-15 Loren Rittle <ljrittle@acm.org>
8891 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8893 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8895 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8896 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8898 * cccp.c: Include version.h and/or don't declare `version_string'.
8899 * collect2.c: Likewise.
8900 * alpha.c: Likewise.
8901 * arm/aof.h: Likewise.
8902 * arm/coff.h: Likewise.
8903 * arm/elf.h: Likewise.
8904 * arm/pe.h: Likewise.
8905 * arm/tcoff.h: Likewise.
8906 * arm/telf.h: Likewise.
8907 * arm/tpe.h: Likewise.
8908 * arm/vxarm.h: Likewise.
8909 * convex/convex.c: Likewise.
8910 * i386/dgux.c: Likewise.
8911 * i386/sun386.h: Likewise.
8912 * m88k/m88k.c: Likewise.
8913 * mcore/mcore-pe.h: Likewise.
8914 * mips/mips.h: Likewise.
8915 * romp/romp.h: Likewise.
8916 * sh/sh.c: Likewise.
8917 * cpphash.c: Likewise.
8918 * cppinit.c: Likewise.
8919 * dwarf2out.c: Likewise.
8920 * dwarfout.c: Likewise.
8923 * mips-tfile.c: Likewise.
8924 * protoize.c: Likewise.
8925 * toplev.c: Likewise.
8928 * version.c (version_string): Constify a char*.
8930 * version.h: New file.
8932 2000-02-14 Nick Clifton <nickc@cygnus.com>
8934 * configure.in: Add mcore-elf and mcore-pe targets.
8935 * configure: Regenerate.
8937 * NEWS: Add note that MCore port has been contributed.
8939 * invoke.texi: Document command line switches for MCore port.
8940 * install.texi: Add MCore to list of supported targets.
8942 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8944 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8945 then we will need to import the frame handling functions.
8946 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8947 to import the frames themselves.
8949 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8950 Jason Eckhardt <jle@cygnus.com>
8952 * basic_block.h: Added prototype for reorder_basic_blocks.
8953 * toplev.c: Changes to add -freorder-blocks and graph dump after
8954 block reordering is done.
8955 * flow.c (reorder_block_def): New structure for use during block
8957 (REORDER_BLOCK_*): New macros to access members of above structure.
8958 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8959 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8960 functions for block reordering.
8962 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8964 * gcc.texi (Passes): Fix typo.
8965 * md.texi (Standard Names): Ditto.
8966 * tm.texi (Storage Layout): Ditto.
8968 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8970 * cpplib.c (do_define): Only free the old definition if it
8973 2000-02-13 Neil Booth <NeilB@earthling.net>
8975 * cppfiles.c (read_and_prescan): When emitting deferred
8976 newlines, test speccase[] again instead of checking each
8977 possible whitespace character in turn. When we encounter \r,
8978 look behind for \n first, then ahead.
8980 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8982 * cse.c (cse_altered): New internal flag.
8983 (cse_insn): Set it if we changed an insn.
8984 (cse_main): Clear cse_altered before each basic block.
8985 Only garbage collect if cse_altered is true afterward.
8987 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8989 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8991 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8993 * combine.c (simplify_comparison): Fix typo.
8995 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8997 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
9000 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9002 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
9003 previously inserted node instead of root node. Caller changed.
9005 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9007 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
9009 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9011 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
9012 __dereg_frame_dtor): Add prototype argument.
9014 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
9016 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
9018 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
9020 * gthr-vxworks.h (__gthread_once): Likewise.
9022 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
9024 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
9026 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
9027 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
9028 stack pointer in functions w/o saved registers, output LEAVE more often
9029 on TARGET_USE_LEAVE machines.
9031 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
9033 * config/arm/arm.c (arm_init_cumulative_args); New function:
9034 Initlaise the CUMULATIE_ARGS strcuture for a function
9036 (arm_function_arg): New function: Determine where to place a
9037 function's argument. Also handles deciding the function's
9039 (current_file_function_operand): New function: Return true if
9040 the symbol is a function which has already been compiled.
9041 (arm_is_long_call_p): New function: Return true if the
9042 indicated function should be called via a long call.
9043 (arm_valid_type_attribute_p): New function: Return true if the
9044 attribute is a valid, arm specific, attribute.
9045 (arm_comp_type_attribute): New function: Return true if the
9046 two types have compatable, arm specific, attributes.
9048 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
9050 (FUNCTION_ARG): Redefine to call arm_function_arg.
9051 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
9053 (INIT_CUMULATIVE_ARGS): Redefine to call
9054 arm_init_cumulative_args.
9055 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
9057 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
9059 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
9061 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
9062 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
9063 (COMP_TYPE_ATTRIBUTES): Define.
9065 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
9066 if a long call is needed.
9067 (call_value): Call arm_is_long_call_p to decide if a long call
9069 (call_symbol): Call arm_is_long_call_p to decide if a long call
9072 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
9074 2000-02-11 Denis Chertykov <denisc@overta.ru>
9076 * README.AVR: New file with information about the avr ports.
9077 * config/avr: New directory with avr port files.
9079 2000-02-11 Andreas Jaeger <aj@suse.de>
9081 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
9083 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
9085 * cpphash.c: Fix formatting, update commentary.
9086 (dump_definition): Take three separate arguments instead of a
9087 MACRODEF structure argument.
9088 * cpphash.h: Update prototype of dump_definition.
9089 * cppinit.c (cpp_finish): Update call of dump_definition.
9091 * cpplib.c (do_define): Always create new hash entry with
9092 T_MACRO type. Remove redundant check for redefinition of
9093 poisoned identifier. Update call of dump_definition.
9094 (do_undef): Don't call check_macro_name. Rename sym_length to
9096 (do_error, do_warning): Don't use copy_rest_of_line or
9098 (do_warning): Don't use pedwarn for the actual warning,
9099 only the notice about its not being in the standard. (Fixes
9100 bug with #warning in system headers.)
9101 (do_ident): Stricter argument checking - accept only a single
9102 string after #ident. Also, macro-expand the line.
9103 (do_xifdef): Use cpp_defined. De-obfuscate.
9105 (do_pragma): Split out specific pragma handling to separate
9106 functions. Use get_directive_token. Update commentary. Do
9107 not pass on #pragma once or #pragma poison to the front end.
9108 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
9109 do_pragma_default): New.
9111 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
9113 * jump.c (jump_optimize_1): The first operand in a relational
9115 * optabs.c (emit_conditional_move): Handle relationals which
9116 have a known true/false result.
9118 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9120 * function.c (thread_prologue_and_epilogue_insns): Don't insert
9121 a RETURN insn into a block which already ends with a jump.
9123 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9125 * haifa-sched.c (BUF_LEN): Increase a lot.
9127 2000-02-11 Nick Clifton <nickc@cygnus.com>
9129 * configure.in: Add tm_p_file specification for thumb targets.
9130 * configure: Regenerate.
9132 * config/arm/thumb-protos.h: New file: Prototypes for exported
9133 functions defined in thumb.c.
9135 2000-02-11 Robert Lipe <robertl@sco.com>
9137 * Makefile.in (bootstrap-lean): Remove additional files.
9138 (bootstrap2-lean): Likewise.
9139 (VOL_FILES): List of files for above.
9141 2000-02-11 Nathan Sidwell <nathan@acm.org>
9143 * cpphash.c (special_symbol): Remove spurious argument to
9146 2000-02-11 Joel Sherrill (joel@OARcorp.com>
9148 * configure.in: (i*86-*-rtems*): Swapped elf and coff
9150 * configure: Rebuilt.
9152 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
9154 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
9156 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
9158 * pa.c, pa.h: Remove trigraph sequences within comments.
9160 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
9162 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
9164 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
9166 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9168 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9170 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
9172 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9174 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
9175 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
9176 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
9177 (ASM_FILE_END): Use c4x_file_end.
9178 * config/c4x/c4x.c (c4x_global_label): New function.
9179 (c4x_external_ref, c4x_file_end): Likewise.
9181 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
9182 (c4x_external_ref, c4x_end_file): Likewise.
9184 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9186 * cppexp.c: Don't include cpphash.h.
9187 (parse_charconst, cpp_lex): Use cpp_defined.
9188 (cpp_lex): Use get_directive_token throughout. Remove
9189 unnecessary cases from switch. Move assertion-handling code
9191 (cpp_parse_expr): If we see '+' or '-', check the context to
9192 determine if they are unary or binary operators. Streamline
9193 the jumps a bit. Do not call skip_rest_of_line.
9195 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9196 static. Export get_directive_token. Update commentary.
9197 (cpp_defined): New function.
9198 (do_define): Remove reference to T_PCSTRING. Call
9199 free_definition to release memory for old definition, when
9201 (eval_if_expression): Set only_seen_white to 0 before calling
9202 cpp_parse_expr. Call skip_rest_of_line after it returns.
9203 (cpp_read_check_assertion): Don't preserve a pointer into the
9204 token buffer across a call to cpp_get_token.
9206 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9207 * cppfiles.c (redundant_include_p): Use cpp_defined.
9208 * cpphash.c (free_definition): New function.
9209 (delete_macro): Use it. Update commentary.
9210 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9212 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9213 from enum node_type. Prototype cpp_defined and get_directive_token.
9214 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9216 * fix-header.c (check_macro_names): Use cpp_defined.
9217 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9218 the options structure.
9220 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9222 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9224 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9226 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9227 rather than die->die_tag.
9229 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9231 * combine.c (make_extraction, force_to_mode): Avoid warning on
9232 mixed-signedness conditionals.
9233 (make_field_assignment, nonzero_bits): Likewise.
9234 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9235 (store_split_bit_field, extract_split_bit_field): Likewise.
9236 (extract_fixed_bit_field, store_bit_field,
9237 * expr.c: Change alignment to be unsigned everywhere.
9238 (move_by_pieces, store_constructor_field, store_constructor):
9239 Alignment parm is unsigned.
9240 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9241 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9242 (do_compare_rtx_and_jump): Likewise.
9243 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9244 Compare align with GET_MODE_ALIGNMENT.
9245 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9246 (get_inner_reference): Likewise.
9247 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9248 (expand_assignment): Local vars for alignment now unsigned.
9249 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9250 (do_compare_and_jump): Likewise.
9251 (store_field): Call new function expr_align.
9252 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9253 Alignment arg now unsigned.
9254 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9255 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9256 (extract_bit_field): Likewise.
9257 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9258 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9259 (get_best_mode): Alignment arg is unsigned.
9260 * rtl.h (move_by_pieces): Likewise.
9261 * store-layout.c (maximum_field_alignment, set_alignment):
9263 (layout_decl): Alignment arg is now unsigned.
9264 Remove unneeded casts.
9265 (layout_record, layout_union, layout_type): Remove unneeded casts.
9266 Local alignment variables now unsigned.
9267 (get_best_mode): Alignment arg now unsigned.
9268 * tree.c (expr_align): New function.
9269 * tree.h (expr_align): Likewise.
9270 (maximum_field_alignment, set_alignment): Now unsigned.
9271 (get_inner_reference): Alignment argument is now pointer to unsigned.
9272 * varasm.c (assemble_variable): Add cast to eliminate warning.
9274 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9276 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9277 then store directly into op0.
9279 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9280 the CALL_INSN, and emit the note immediately after it.
9282 2000-02-10 Nick Clifton <nickc@cygnus.com>
9284 * config/arm/thumb.md (epilogue): Include a (return) in the
9285 generated insn, and emit it using emit_jump_insn not
9288 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9290 * function.c (assign_temp): Change zero-sized arrays to size 1.
9291 * integrate.c (expand_inline_function): Do not update
9292 stack_alignment_needed
9293 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9294 add some sanity checking, remove optimization for function with
9297 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9299 * flow.c (mark_regs_live_at_end): Delete unused variables.
9301 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9303 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9304 in macro FRAME_GROWS_DOWNWARD.
9306 * stmt.c (expand_end_bindings): Delete unused variable.
9308 * unroll.c (iteration_info): Mark parameter `loop' with
9311 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9313 * fixinc/server.c (load_data): Return NULL if the marker line is
9315 (run_shell): If load_data returns NULL, retry the command once, in
9318 * configure: Rebuilt.
9320 2000-02-09 Bruce Korb <bkorb@gnu.org>
9322 * gcc/fixincludes: ** DELETED **
9323 * gcc/fixcpp: ** DELETED **
9324 * gcc/fixinc-nt.sed: ** DELETED **
9325 * gcc/just-fixinc: ** DELETED **
9326 * gcc/Makefile.in: Removed out-dated commentary
9327 * gcc/configure.in: Removed fast-fixincludes disablement.
9328 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9330 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9331 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9334 2000-02-09 Richard Henderson <rth@cygnus.com>
9336 * jump.c (delete_insn): Don't delete user labels at -O0.
9338 2000-02-09 Robert Lipe <robertl@sco.com>
9340 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9341 Don't link with HOST_LIBS.
9343 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9345 * configure.in: Correct --help text for --with-dwarf2.
9346 Put tm-dwarf2.h after other tm files, if it's requested.
9347 * configure: Regenerate.
9348 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9351 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9353 * cpplib.h: Provide HASHNODE typedef and forward decl of
9354 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9355 DEFINITION, struct hashnode, struct macrodef, struct
9356 definition, scan_decls prototype, default defn of
9357 INCLUDE_LEN_FUDGE moved elsewhere.
9359 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9360 definition, and struct hashnode moved here. Remove the unused
9361 'predefined' field from struct definition. Replace the 'args'
9362 union with its sole member. All users updated (cpphash.c).
9363 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9364 multiple include guard.
9366 * cpphash.c (hashf): Make static; use better algorithm; drop
9367 HASHSIZE parameter; return an unsigned int.
9368 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9369 used. Calculate HASHSIZE modulus here.
9370 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9372 (create_definition): Drop PREDEFINITION parameter.
9373 * cpplib.c (do_define): Don't calculate a hash value here.
9374 Don't pass (keyword == NULL) to create_definition.
9376 * scan.h: Prototype scan_decls here.
9377 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9378 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9379 callers of cpp_lookup and cpp_install updated.
9381 * cpphash.c (macarg): Hoist all the flag diddling out of the
9383 (macroexpand): ... and out of the loop that calls macarg.
9384 Skip over the initial paren before macro arguments with
9385 cpp_get_non_space_token; point may be some distance before
9386 that paren. Abort if it's not there.
9388 * cpplib.c (parse_clear_mark): Delete function.
9389 (parse_set_mark, parse_goto_mark): Make static.
9390 (ACTIVE_MARK_P): New macro.
9391 (skip_block_comment, skip_line_comment): Do not bump the line
9392 if ACTIVE_MARK_P is true.
9393 (cpp_pop_buffer): The buffer to be popped may not have an
9395 (cpp_get_token): When looking for the initial paren before
9396 macro arguments, only set a mark in a file buffer, Always
9397 return to that mark before proceeding to call macroexpand or
9398 return a NAME token.
9400 * cpplib.h: Remove prototypes of parse_set_mark,
9401 parse_clear_mark, parse_goto_mark.
9402 (struct cpp_options): Rename 'put_out_comments' to
9403 'discard_comments' and invert its sense.
9404 * cppinit.c, cpphash.c, cpplib.c: All users of
9405 put_out_comments changed to use discard_comments, with
9408 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9410 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9411 the edge from a block that both jumps and falls through to the
9414 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9416 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9417 constant source address is legitimate.
9419 2000-02-09 Philip Blundell <pb@futuretv.com>
9421 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9424 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9426 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9428 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9430 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9431 ends with a newline and a NUL. Don't be so clever manipulating
9434 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9436 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9437 not to BIGGEST_ALIGNMENT.
9439 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9441 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9442 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9443 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9444 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9445 * frame.c (execute_cfa_insn): Handle
9446 DW_CFA_GNU_negative_offset_extended.
9448 2000-02-08 Richard Henderson <rth@cygnus.com>
9450 * flow.c (tidy_fallthru_edges): Split out from ...
9451 (delete_unreachable_blocks): ... here.
9452 (find_basic_blocks): Use it.
9454 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9456 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9458 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9460 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9461 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9462 (fix-header.o): Don't depend on cpphash.h.
9464 * scan.c (hashstr): New function.
9465 * scan.h: Prototype it.
9466 * fix-header.c: Don't include cpphash.h. Use hashstr.
9467 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9468 hashstr. Report hash table statistics. Add private
9469 definition of xrealloc.
9471 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9473 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9475 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9477 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9478 jumps with returns unless they are jumps to the fallthru block.
9480 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9482 * i386.md (addqi3_cc): Fix contraints.
9484 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9486 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9488 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9490 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9491 carriage return after a macro name.
9493 2000-02-07 Fred Fish <fnf@be.com>
9495 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9496 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9498 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9500 * cppfiles.c (deps_output): Count spacers in deps_column.
9502 2000-02-07 Neil Booth <NeilB@earthling.net>
9504 * cppinit.c (initialize_dependency_output): If there is no
9505 suffix, don't try to look for known suffixes. Use strrchr.
9506 (cpp_start_read): Remove duplicate initialization.
9508 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9510 * calls.c (compute_argument_block_size): New argument
9511 preferred_stack_boundary.
9512 (expand_call): update cfun->preferred_stack_boundary, update call of
9513 compute_argument_block_size
9514 (emit_library_call): Increate cfun->preferred_stack_boundary
9515 to PREFERRED_STACK_BOUNDARY
9516 (emit_library_call_value): Likewise.
9517 * explow.c (allocate_dynamic_stack_spave): Likewise.
9518 * function.c (prepare_function_start): Set
9519 cfun->preferred_stack_boundary
9520 * function.h (struct function): Add preferred_stack_boundary field.
9521 * integrate.c (expand_inline_function): Update
9522 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9523 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9524 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9526 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9528 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9529 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9530 cpp_pedwarn, cpp_pedwarn_with_line,
9531 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9532 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9533 v_cpp_error_with_line, v_cpp_warning_with_line,
9534 cpp_message_from_errno, cpp_perror_with_name): Delete.
9536 * cpperror.c (cpp_print_containing_files): Take starting
9538 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9539 (v_cpp_message): Now called directly by all entry points.
9541 (cpp_pfatal_with_name, cpp_message): Delete.
9542 (cpp_notice_from_errno, cpp_ice): New functions.
9543 (cpp_notice): Is now for reporting error conditions, just
9544 without an associated file.
9545 (cpp_error, cpp_error_with_line): Don't do anything if
9546 opts->inhibit_errors is on.
9547 (cpp_pedwarn_with_file_and_line): Take column argument also.
9549 * cpplib.h: Update prototypes of exported functions.
9550 (struct cpp_options): Add inhibit_errors.
9552 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9553 non-error messages. Include intl.h.
9555 * cppinit.c, cppmain.c: Likewise. Also, use
9556 cpp_notice_from_errno instead of cpp_perror_with_name or
9557 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9559 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9560 report internal errors.
9562 * cpplib.c (do_define): Switch bcopy to memcpy.
9563 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9565 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9566 bail out early if we hit a line comment.
9568 2000-02-06 Richard Henderson <rth@cygnus.com>
9570 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9571 * basic-block.h: Declare them.
9572 * emit-rtl.h (active_insn_p): New.
9573 (next_active_insn, prev_active_insn): Use it.
9574 * rtl.h: Declare it.
9575 * function.c (emit_return_into_block): New.
9576 (thread_prologue_and_epilogue_insns): Insert return insns instead
9577 of epilogues when possible.
9578 * jump.c (jump_optimize_1): Remove code to insert a return insn
9579 on the fallthru to the exit block.
9581 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9582 and for non-empty stack frames.
9583 * i386.md (return): Expand to return-pop as needed.
9585 2000-02-06 Richard Henderson <rth@cygnus.com>
9587 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9588 constant to op1 for testing.
9590 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9592 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9593 (fixuns_truncqfqi2): Use it.
9595 2000-02-06 Richard Henderson <rth@cygnus.com>
9597 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9600 * i386.md (widening and peepholes): Mask the constant instead of
9603 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9605 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9606 input pointer before possibly branching off to the backslash
9608 * cpphash.c (macroexpand): Correctly delete \r escapes when
9609 stringifying parameters.
9610 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9611 if we can; bail out early if we hit a line comment.
9612 (handle_directive): Treat '# 123' in an .S file just like
9613 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9614 Return 1 for '# not_a_directive'.
9615 (get_directive_token): Pop macro buffers here, so that
9616 cpp_get_token can't sneakily move past a newline.
9618 (cpp_get_token): goto randomchar if handle_directive returns 0.
9620 * cppalloc.c: Update copyright.
9621 * cpplib.c: Merge all the static function prototypes into one
9623 * cpplib.h: Remove #if 0 block.
9625 * cpperror.c: Remove #ifdef EMACS block.
9626 * cppmain.c: Likewise.
9627 * cpphash.c: Remove #if 0 blocks.
9628 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9629 * cpplib.c: Remove #if 0 blocks and code referencing
9630 pcp_inside_if or for_lint. Remove duplicate error message.
9631 Fix error messages for #else after #else or #elif. Reformat.
9632 Remove archaic TODO list.
9633 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9635 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9637 * i386/osf1elf.h: Add missing backslash to multiline string.
9639 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9641 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9643 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9645 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9647 * c-common.c: Include expr.h.
9649 * c-pragma.c (mark_align_stack): Add prototype.
9651 * caller-save.c (add_stored_regs): Likewise.
9653 * combine.c (record_promoted_value): Likewise.
9655 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9658 * cppinit.c (new_pending_define): Likewise.
9660 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9662 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9663 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9664 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9665 class_scope_p): Likewise.
9667 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9668 dwarf2out_add_library_unit_info): Likewise.
9670 * ggc.h (ggc_page_print_statistics): Likewise.
9672 * haifa-sched.c (propagate_deps): Likewise.
9674 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9676 * rtl.h (set_stack_check_libfunc): Likewise.
9678 * toplev.h (set_fatal_function): Likewise.
9680 * toplev.c (set_fatal_function): Delete prototype.
9682 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9684 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9686 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9687 (FUNC_END): Likewise.
9689 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9691 * caller-save.c: Include tm_p.h.
9693 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9695 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9697 2000-02-04 Neil Booth <NeilB@earthling.net>
9699 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9702 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9704 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9705 * genflags.c: Use the max_operand_1 logic from genemit.c to
9706 calculate how many arguments gen_insn prototypes have. Remove
9707 NO_MD_PROTOTYPES ifdefs from the generated file.
9708 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9709 file. Cast gen_insn initializers to insn_gen_fn.
9710 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9711 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9713 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9715 * fixinc/Makefile.in (HDR): Add machname.h.
9718 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9720 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9721 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9722 (c4x_cpu_version): Ditto.
9723 * config/c4x/c4x-protos.h: ... here.
9725 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9727 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9728 gen_abstract_function on our context if we're a nested function.
9730 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9732 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9733 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9735 2000-02-04 Bruce Korb <bkorb@gnu.org>
9737 * fixinc/genfixes(machname.h):
9738 Move the functionality from gen-machine.h into this file.
9739 UNdef MN_NAME_PAT if there are no names to change.
9740 Also, be a little kinder when AutoGen is not present.
9742 * fixinc/Makefile.in(machname.h):
9743 Change the generation rule to use genfixes.
9745 * fixinc/fixfixes.c(machine_name):
9746 machine_name_fix's functionality now dependent upon whether
9747 MN_NAME_PAT is defined.
9749 * fixinc/fixtests.c(machine_name):
9752 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9755 * fixinc/fixlib.h(mn_get_regexps):
9758 * fixinc/gen-machine.h: DELETED
9760 2000-02-04 Jan Hubicka <jh@suse.cz>
9761 Richard Henderson <rth@cygnus.com>
9763 * i386.c (SAVE_REGS_FIRST): Remove.
9764 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9765 (ix86_compute_frame_size): Likewise.
9766 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9767 (ix86_emit_restore_regs): Remove.
9768 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9769 when a frame pointer is in use.
9770 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9771 instead of pop to restore a register when profitable; emit leave
9773 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9775 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9776 * i386.md (prologue_allocate_stack): Remove.
9777 (epilogue_deallocate_stack): Remove.
9778 (pro_epilogue_adjust_stack): New.
9780 2000-02-04 Richard Henderson <rth@cygnus.com>
9782 * function.c (diddle_return_value): Rework to use a callback function.
9783 Use current_function_return_rtx if it's been set up.
9784 (do_clobber_return_reg, clobber_return_register): New.
9785 (do_use_return_reg, use_return_register): New.
9786 (expand_function_end): Use them.
9787 * stmt.c (expand_null_return): Likewise.
9788 * function.h: Declare them.
9789 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9790 (mark_reg): Change arguments as appropriate for callback.
9791 * integrate.c (expand_inline_function): Revert 19 Jan change.
9793 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9795 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9796 (Misc): Say the scheduler, not the Haifa scheduler.
9798 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9800 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9801 when in_mem is set. Update all callers.
9803 2000-02-04 Richard Henderson <rth@cygnus.com>
9805 * i386/openbsd.h (INT_ASM_OP): Define.
9807 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9809 * tm.texi: Fix various typos.
9811 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9813 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9814 (MD_STARTFILE_PREFIX_1): New macro.
9816 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9818 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9819 destination when needed.
9820 (strmovsi, strsetsi): New expander.
9821 (strmovsi_1, strsetsi_1): New pattern.
9822 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9823 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9824 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9825 * invoke.texi (align-stringops, inline-all-stringops): Document.
9827 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9829 * i386/netbsd.h (INT_ASM_OP): Define.
9831 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9833 * cpplib.h (cpp_reader): Add new flag, no_directives.
9834 * cpphash.c (macarg): Set it.
9835 * cpplib.c (handle_directive): If no_directives is on and we
9836 find a directive, issue an error and discard the line.
9838 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9840 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9841 FP constants. Add ! TARGET_FPU check for FP constants.
9843 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9845 * flow.c (find_basic_blocks): Don't kill label_value_list
9847 (cleanup_cfg): Kill it here.
9849 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9851 * expr.c (store_field): Ensure ALIGN is no stricter than the
9854 2000-02-02 Richard Henderson <rth@cygnus.com>
9856 * jump.c (delete_insn): Partially revert 19 Jan change;
9857 don't convert unused code labels to notes at -O0.
9859 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9861 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9862 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9864 2000-02-01 Richard Henderson <rth@cygnus.com>
9866 * i386.c (general_no_elim_operand): New.
9867 (nonmemory_no_elim_operand): New.
9868 (ix86_expand_move): Copy eliminable operands before a push.
9869 * i386-protos.h: Declare new functions.
9870 * i386.h (CAN_ELIMINATE): Simplify.
9871 (PREDICATE_CODES): Update.
9872 * i386.md (push insns): Don't allow eliminable register operands.
9874 2000-02-01 Richard Henderson <rth@cygnus.com>
9876 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9877 replace BLKmode with DECL_RTL's mode.
9879 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9881 * frame.c (find_fde): Convert for loop to do-while so compiler
9882 sees it's always executed at least once.
9883 * libgcc2.c (BBINBUFSIZE): Kill.
9884 (__bb_init_prg): Use fgets.
9885 (__bb_exit_trace_func): Don't paste strings.
9886 * unroll.c (unroll_loop): Initialize unroll_type, not
9887 unroll_number, and tweak logic to match.
9889 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9891 (ix86_flags_dependant): Likewise. Disentangle control flow.
9892 (ix86_sched_reorder): Break guts out to
9893 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9894 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9897 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9898 use string concatenation. Don't save and restore esi.
9900 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9901 (machname.h): Remove script to separate file. Use two-step
9902 sequence so target is not created if script fails.
9903 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9904 identifiers are defined.
9905 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9906 an empty string, machine_name doesn't need to do anything at
9908 (is_cxx_header): Add more cases to regexp.
9909 * fixinc/fixlib.h: Update prototype.
9910 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9912 * fixinc/fixincl.c: Define NO_BOGOSITY.
9914 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9915 (hp_sysfile): Add missing comma.
9916 (math_exception): Put the wrapper ifdefs at the beginning and
9917 the end of the file.
9918 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9920 2000-02-01 Richard Henderson <rth@cygnus.com>
9922 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9923 Use CONST0_RTX. Update all callers.
9924 * sparc.h, sparc-protos.h: Update accordingly.
9925 * sparc.md (fp mov insns): Use fp_zero_operand directly
9928 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9930 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9933 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9935 * Makefile.in (specs.ready): New target.
9936 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9938 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9940 * fixinc.irix: Use unique filenames for writing into /tmp,
9941 * fixinc.ptx: Likewise.
9942 * fixinc.sco: Likewise.
9943 * fixinc.svr4: Likewise.
9944 * fixinc.winnt: Likewise.
9946 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9948 * tsystem.h: New file.
9950 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9951 s-crtS): Depend on tsystem.h.
9953 * crtstuff.c: Include tsystem.h.
9954 * frame.c: Likewise.
9955 * libgcc2.c: Likewise.
9957 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9959 * builtins.c (expand_builtin_memset): Expand for variable sized
9962 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9964 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9967 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9969 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9971 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9973 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9975 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9976 case 3->2 combining (combining with splitting) in which 2 is CC0
9977 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9978 checked at the begining of the function with the aid of calling
9979 function 'can_combine_p'.
9981 2000-01-31 Dave Brolley <brolley@redhat.com>
9983 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9985 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9987 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9990 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9992 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9994 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9997 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9999 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
10000 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
10001 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
10002 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
10003 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
10004 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
10005 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
10006 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
10007 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
10008 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
10010 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
10011 Add %(cpp_cpu) to CPP_SPEC.
10013 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
10014 Add %(cc1_cpu) to CC1_SPEC.
10016 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10018 * c-decl.c (c_decode_option): Accept optional numeric argument to
10019 -Wformat and set warn_format.
10020 * c-common.c: Don't emit warning about non-constant printf format
10021 string unless warn_format > 1.
10023 2000-01-30 Richard Henderson <rth@cygnus.com>
10025 * alpha.md (return_internal): Allow after reload only.
10027 2000-01-30 Richard Henderson <rth@cygnus.com>
10029 * i386.c (ix86_compute_frame_size): Omit padding1 if the
10030 local frame size is zero.
10032 2000-01-30 Richard Henderson <rth@cygnus.com>
10034 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
10035 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
10036 * alpha.md (return): Turn into an expander.
10037 (return_internal): Don't use $26.
10038 (epilogue): Emit the return insn.
10040 2000-01-30 Richard Henderson <rth@cygnus.com>
10042 * alpha.md (negtf2, abstf2): Fix word order thinko.
10043 (extendsftf2): New.
10044 (trunctfsf2): Avoid intermediate rounding errors.
10046 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10048 * cppfiles.c (find_position): Drop 'colp' argument, return the
10050 (read_and_prescan): Adjust to match. Don't ever manipulate
10051 line or line_base except via find_position.
10053 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10055 * c-parse.in: Apply Ulrich's changes from c-parse.y.
10056 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
10059 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10061 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
10062 just print "<command line>". If 'filename' is null or an
10063 empty string, print "<stdin>" for the filename.
10064 * cpplib.c (do_define): Don't print the 'location of the
10065 previous definition' message if we're still parsing the
10067 (cpp_pedwarn_with_file_and_line): Always call
10068 cpp_file_line_for_message.
10070 2000-01-29 Mark Mitchell <mark@codesourcery.com>
10072 * flow.c (mark_regs_live_at_end): Fix typo.
10074 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10076 * c-common.c: Adjust variable names, comments, help strings to c99.
10077 * c-lex.c: Likewise.
10078 * c-parse.y: Likewise.
10079 * c-tree.h: Likewise.
10080 * cccp.c: Likewise.
10081 * cpplib.h: Likewise.
10082 * c-decl.c: Likewise. Recognize options with names "*99" as well.
10083 * cppinit.c: Likewise.
10085 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10087 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
10088 * c4x.c: Define the optab rtx values.
10089 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
10090 (c4x_emit_libcall): Use new optab rtx values.
10091 (c4x_emit_libcall3): Likewise.
10092 (c4x_emit_libcall_mulhi): Likewise.
10093 * c4x-protos.h: Add prototypes for optab rtx values and change
10094 prototypes for above c4x_emit_libcall functions.
10096 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10098 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
10100 (c4x_function_prologue): Use regnames intead of float_reg_names when
10102 (c4x_function_epilogue): Likewise.
10103 (c4x_print_operand): Likewise.
10104 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
10105 * c4x.md (set_high): Disable for TARGET_TI.
10107 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10109 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
10110 of framepointer + constant to ADDR_REGS class.
10111 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
10112 * c4x.c (std_or_reg_operand): New function.
10113 * c4x-protos.h (std_or_reg_operand): Prototype it.
10115 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10117 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
10118 object names as libgcc2.c.
10119 * libgcc.S: Use newly defined names.
10121 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
10122 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
10124 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
10125 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
10126 (FLOW_LOOP_LAST_BLOCK): Likewise.
10128 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10130 * basic-block.h (struct loop): New fields 'first' and 'last'.
10131 * flow.c (flow_loops_find): Compute loop->first and loop->last.
10132 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
10133 and loop->last to check for NOTE_INSN_LOOP_END.
10135 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
10137 * predict.c (estimate_probability): Use the new FIRST and LAST fields
10138 of the loop descriptor rather than HEADER and LATCH. Also added
10139 missing break statements as well making some coding style modifications
10140 as suggested by Michael Hayes.
10142 2000-01-28 Richard Henderson <rth@cygnus.com>
10144 * flow.c (find_basic_blocks): Remove do_cleanup argument.
10145 Break out that code ...
10146 (cleanup_cfg): ... here.
10147 (commit_one_edge_insertion): Detect a return instruction being
10148 emitted to an edge. Emit a barrier following; clear fallthru.
10149 (commit_edge_insertions): Verify CFG consistency.
10150 * function.c (expand_function_start): Kill unused variable.
10151 (expand_function_end): Likewise.
10152 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
10153 to insert the epilogue.
10155 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
10156 (delete_null_pointer_checks): Likewise.
10157 * output.h: Likewise.
10158 * reg-stack.c (reg_to_stack): Likewise.
10159 * toplev.c (rest_of_compilation): Likewise. Run
10160 thread_prologue_and_epilogue_insns after rebuilding the CFG.
10162 2000-01-28 Richard Henderson <rth@cygnus.com>
10164 * Makefile.in (flow.o): Revert 24 Jan change.
10165 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
10166 FUNCTION_VALUE result to DECL_RESULT's mode.
10168 * haifa-sched.c (schedule_insns): Don't recompute reg info
10171 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
10173 * configure.in: Make --enable-cpplib the default.
10174 * configure: Regenerate.
10175 * gcc.dg/990119-1.c: No longer expected to fail.
10177 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
10179 * jump.c (jump_optimize_1): Delete an optimization that is also done
10180 by merge_blocks in flow.
10182 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10184 * diagnostic.c (build_message_string, output_printf,
10185 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10186 (build_location_prefix): Fix non-literal format string.
10188 2000-01-27 Richard Henderson <rth@cygnus.com>
10190 * alpha.md (trunctfsf2): New.
10192 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10194 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10196 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10198 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10200 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10202 (skip_comment) ... here. Permit C++ comments in system
10203 headers always. Warn about C++ comments in user code under
10204 -std=gnu89 -pedantic.
10205 (copy_comment): Use skip_comment.
10206 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10208 (consider_directive_while_skipping, do_else, do_endif): Call
10209 validate_else unconditionally.
10210 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10211 text after the conditional in a system header.
10212 * cpplib.h (struct cpp_buffer): Add flag
10213 warned_cplusplus_comments.
10215 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10217 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10218 Use unshare_all_rtl_1.
10219 (unshare_all_rtl_again): New function.
10220 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10222 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10223 rather than resetting the 'used' flags ourself.
10225 * toplev.c (rest_of_compilation): Add current_function_decl
10226 to the unshare_all_rtl call.
10227 * tree.h: Prototype unshare_all_rtl.
10228 * rtl.h: Prototype unshare_all_rtl_again here.
10230 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10232 * genoutput.c (output_prologue): Include ggc.h in generated
10234 * Makefile.in (insn-output.o): Depends on ggc.h.
10236 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10237 Hans-Peter Nilsson <hp@bitrange.com>
10239 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10240 Remove redundant include of xm-ns32k.h.
10241 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10242 Remove redundant include of xm-ns32k.h.
10243 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10244 Remove redundant include of xm-ns32k.h.
10245 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10247 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10248 (TARGET_SWITCHES): Add documentation strings.
10249 (DWARF_FRAME_REGNUM): Override default definition.
10250 (REG_CLASS_CONTENTS): Add comments.
10251 (SUBSET_P): Format to reduce line length.
10252 (SMALL_REGISTER_CLASSES): Make a run time option.
10253 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10254 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10255 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10256 (regclass_map): fix typo in comment.
10257 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10258 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10259 (trace, reg_or_mem_operand): Delete, unused function.
10260 (calc_address_cost): Small offsets are cheaper than large ones.
10261 (expand_block_move): Generate more efficient code when bytes is a
10262 known at compile time.
10263 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10264 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10265 instead of reg_or_mem_operand.
10267 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10268 not general_operand. Similarly use "=rm" or stricter, not "=g".
10269 For input operands, use stricter constraints than "g" if not
10270 general_operand. Similarly use stricter predicate than
10271 "general_operand" when stricter constraints than "g" are present,
10272 except for matching constraints.
10273 (movstrsi): Use "memory_operand" for operands 0 and 1.
10274 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10275 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10276 not reg_or_mem_operand.
10277 (udivmoddisi4): Ditto.
10278 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10279 Use nonimmediate_operand for operand 3, not register_operand.
10280 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10281 reg_or_mem_operand.
10283 2000-01-27 Fred Fish <fnf@be.com>
10285 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10286 * gthr-single.h: Likewise.
10287 * gthr-solaris.h: Likewise.
10288 * gthr-vxworks.h: Likewise.
10289 * gthr-win32.h: Likewise.
10290 * gthr.h: Likewise.
10292 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10294 * cppinit.c: Add " (cpplib)" to end of string printed by
10297 2000-01-27 Richard Henderson <rth@cygnus.com>
10299 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10300 testing for a signed comparison.
10301 (alpha_emit_floatuns): New.
10302 * alpha-protos.h: Declare it.
10303 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10304 (extendsfdf2): Tidy.
10306 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10308 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10309 no -g option specifying debugging format, default to -gstabs+.
10311 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10313 * calls.c (special_function_p): New argument fork_or_exec.
10314 (expand_call): When profile_arc_flag is set and the function
10315 is in the fork_or_exec group, call __bb_fork_func first.
10316 * libgcc2.c, _bb module (__bb_fork_func): New function.
10317 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10319 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10320 * tree.h (special_function_p): Update prototype.
10322 2000-01-26 Richard Henderson <rth@cygnus.com>
10324 * alpha.c (alpha_split_tfmode_pair): New.
10325 * alpha-protos.h: Declare it.
10326 * alpha.md (abstf2, negtf2): New.
10327 (movtf insn): Add input G constraint.
10328 (movtf splitter): Use alpha_split_tfmode_pair.
10330 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10332 * i386/cygwin.h: PROTO -> PARAMS.
10334 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10336 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10337 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10338 using _Qp_cmp/_Q_cmp and testing the return value.
10339 (print_operand): Call reverse_condition_maybe_unordered if
10340 we are handling CCFPmode or CCFPEmode.
10341 Handle ORDERED, UN* and LTGT comparisons.
10342 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10343 if not TARGET_HARD_QUAD.
10344 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10345 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10346 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10347 Adjust gen_b* calls so that they reflect return comparison of
10348 sparc_emit_float_lib_cmp.
10350 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10352 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10353 incoming operands array is large enough for one more operand.
10354 (alpha_emit_xfloating_arith): Likewise.
10356 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10358 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10359 file with one line and no trailing newline.
10360 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10361 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10362 checking if the match is on the line.
10363 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10365 2000-01-25 Richard Henderson <rth@cygnus.com>
10367 * sparc.c (output_cbranch): Fix accidental squashing of the
10368 fp branch pre-delay nop.
10370 2000-01-25 Richard Henderson <rth@cygnus.com>
10372 * tree.def (UNNE_EXPR): Remove.
10373 * c-typeck.c (build_binary_op): Don't handle it.
10374 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10376 * rtl.def (UNNE): Remove.
10378 * jump.c (reverse_condition): Update accordingly.
10379 (swap_condition): Likewise.
10380 (comparison_dominates_p): Handle unordered comparisons.
10381 (reverse_condition_maybe_unordered): New.
10382 * rtl.h (reverse_condition_maybe_unordered): Declare.
10384 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10385 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10386 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10387 * sparc.md (bltgt): New.
10389 2000-01-25 Nick Clifton <nickc@redhat.com>
10391 * emit-rtl.c (emit_insn): Only check machine class insns for
10392 improper emission of a RETURN.
10394 2000-01-25 Richard Henderson <rth@cygnus.com>
10396 * Makefile.in (flow.o): Depend on $(EXPR_H).
10397 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10398 duplicate the structure of diddle_return_value for keeping regs live.
10400 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10402 * loop.c (current_loop_info): Delete.
10403 (consec_sets_invariant_p): Add loop argument, update callers.
10404 (get_condition_for_loop): Likewise.
10405 (count_nonfixed_reads, update_giv_derive): Likewise.
10406 (simplify_giv_expr, general_induction_var): Likewise.
10407 (consec_sets_giv, recombine_givs): Likewise.
10408 (move_movables): Delete loop_start and loop_end arguments,
10409 add loop argument, and update callers.
10410 (find_mem_givs, check_final_value): Likewise.
10411 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10412 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10414 (basic_induction_var): Add loop argument, delete loop_level argument,
10415 and update callers.
10416 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10417 add loop argument, and update callers.
10418 (find_splittable_regs, find_splittable_givs): Likewise.
10419 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10420 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10421 (biv_total_increment): Delete loop_start and loop_end arguments;
10423 (precondition_loop_p): Delete loop_start and loop_info arguments;
10425 * loop.h (get_condition_for_loop): Add loop argument.
10426 (biv_total_increment): Delete loop_start and loop_end arguments.
10427 (precondition_loop_p): Delete loop_start and loop_info arguments;
10429 (final_biv_value): Delete loop_start and loop_end arguments;
10431 (final_giv_value, back_branch_in_range_p): Likewise.
10433 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10435 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10437 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10439 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10440 point to the new "generated_files" doc.
10442 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10444 * config/fp-bit.c (_unord_f2): Fix typo.
10446 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10448 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10449 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10450 functions obsoleted by GC, such as push_obstacks_nochange,
10451 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10452 and code which existed only to decide whether or not to call
10453 them. Remove now-unused NESTED argument from start_function;
10454 all callers changed. Do not change behavior based on ggc_p.
10455 The use of the ixp_obstack in c-iterate.c and the util_obstack
10456 in objc/objc-act.c remain; these are not obsoleted by garbage
10458 * c-tree.h: Update prototype for start_function.
10460 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10462 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10464 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10467 2000-01-25 Richard Henderson <rth@cygnus.com>
10469 * sparc-protos.h (select_cc_mode): Declare.
10470 * sparc.c (select_cc_mode): New. Handle unordered compares.
10471 (output_cbranch): Always reverse via code change. Handle
10472 unordered compares. Factor tests and string updates.
10473 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10474 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10475 * sparc.md (bunordered, bordered): New.
10476 (bungt, bunlt, buneq, bunge, bunle): New.
10478 2000-01-25 Richard Henderson <rth@cygnus.com>
10480 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10481 * ggc-common.c (ggc_add_rtx_varray_root): New.
10482 (ggc_mark_rtx_varray): New.
10483 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10484 functions down below ggc_mark_foo.
10485 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10487 2000-01-25 Richard Henderson <rth@cygnus.com>
10489 * alpha.c (secondary_reload_class): Don't allocate a secondary
10490 for integral mode memories into FLOAT_REGS. Rearrange the more
10491 complicated memory expression inward.
10493 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10495 * inclhack.def: Fixes to play nicer with FreeBSD, and
10496 corrections to comments.
10497 (cxx_unready): Add select expression.
10498 (irix_sockaddr): Add bypass expression.
10499 (machine_ansi_h_va_list): New fix.
10500 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10501 Split out addition of "#include <stdarg.h>" to...
10502 (stdio_stdarg_h): ... here.
10503 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10504 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10505 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10507 (ultrix_ifdef): Tighten up select expression.
10509 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10510 re_ct and max_mach to avoid use of shell. Make printed names
10511 match names in inclhack.def. Use static copyright date.
10512 Don't count c_test and test expressions as requiring regex_t
10513 slots. Add some commentary.
10514 * inclhack.tpl: Do not include the 'This script contains N
10515 fixup scripts' line if PROGRAM is defined. Use static
10518 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10520 * dwarf2out.c: include "varray.h", not dyn-string.h.
10521 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10522 (addr_const_to_string, addr_to_string): Lose.
10523 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10524 (struct dw_val_struct): val_addr is now an rtx.
10525 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10526 (used_rtx_varray): New varray.
10527 (dwarf2out_init): Initialize it.
10528 (save_rtx): New fn.
10529 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10531 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10532 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10533 * Makefile.in (dwarf2out.o): Update dependencies.
10535 2000-01-24 Richard Henderson <rth@cygnus.com>
10537 * i386.c (i386_dwarf_output_addr_const): New.
10538 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10540 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10542 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10543 * i386.c (i386_simplify_dwarf_addr): New.
10544 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10546 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10548 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10549 TYPE_STUB_DECL is NULL.
10551 2000-01-24 Richard Henderson <rth@cygnus.com>
10553 * builtins.c (expand_tree_builtin): Move ...
10554 * c-common.c (expand_tree_builtin): ... here.
10556 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10558 * loop.h (LOOP_INFO): New accessor macro.
10559 * basic-block.h (struct loop): Rename field `info' to `aux'.
10560 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10561 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10562 * unroll.c (loop_iterations, unroll_loop): Likewise.
10564 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10566 * config/i386/t-cygwin: Accomodate new winsup directory layout
10567 when searching for include files.
10569 2000-01-24 Richard Henderson <rth@cygnus.com>
10571 * rtl.def: Add unordered fp comparisions.
10572 * tree.def: Likewise.
10573 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10575 * builtins.c (expand_tree_builtin): New function.
10576 * c-typeck.c (build_function_call): Use it.
10577 (build_binary_op): Support unordered compares.
10578 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10580 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10581 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10582 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10583 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10584 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10586 (swap_condition): Handle unordered compares.
10587 (thread_jumps): Check can_reverse before reversing.
10588 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10591 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10592 setcc is present before acking for cmp_optab. Update all callers.
10593 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10594 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10595 * expr.c (expand_expr): Likewise. Support unordered compares.
10596 (do_jump, do_store_flag): Likewise.
10597 * expr.h (enum libfunc_index): Add unordered compares.
10599 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10600 (DPBIT_FUNCS): Add _unord_df.
10601 * config/fp-bit.c (_unord_f2): New.
10602 * fp-test.c (main): Try unordered compare builtins.
10604 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10605 * alpha.c (alpha_comparison_operator): Check mode properly.
10606 (alpha_swapped_comparison_operator): Likewise.
10607 (signed_comparison_operator): Likewise.
10608 (alpha_fp_comparison_operator): New.
10609 (alpha_emit_conditional_branch): Handle unordered compares.
10610 * alpha.h (PREDICATE_CODES): Update.
10611 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10612 (bunordered, bordered): New.
10614 2000-01-24 Richard Henderson <rth@cygnus.com>
10616 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10617 * alpha.md (movtf): New expander, insn, and splitter.
10619 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10621 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10624 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10626 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10627 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10628 REG_ALLOC_ORDER): Add frame pointer
10629 (FRAME_POINTER_REGNUM): Set to 20
10630 (HARD_FRAME_POINTER_REGNUM): New macro.
10631 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10632 to HARD_FRAME_POINTER.
10633 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10634 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10635 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10636 (HI_REGISTER_NAMES): Add "frame".
10637 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10638 (debug_reg): Handle FRAME_POINTER_REGNUM.
10639 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10640 GENERAL_REGS and INDEX_REGS.
10641 * i386.c (SAVED_REGS_FIRST): new macro.
10642 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10643 (ix86_decompose_address, memory_address_length): Likewise.
10644 (regclass_map): Add frame pointer.
10645 (call_insn_operand): Handle frame_pointer_rtx.
10646 (reg_no_sp_operand): Likewise.
10647 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10648 (print_operand, legitimize_pic_address): Fix formating.
10649 (ix86_compute_frame_size): Make static, update prototype, new
10650 parameters padding1, padding2, use ix86_nsaved_regs, use
10651 stack_alignment_needed.
10652 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10653 to HARD_FRAME_POINTER_REGNUM conversions.
10654 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10655 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10656 (print_reg): Abort on FRAME_POINTER_REGNUM
10658 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10660 * i386.h (PREDICATE_CODES): Add aligned_operand.
10661 * i386.c (aligned_operand): New function.
10662 (ix86_aligned_p): Kill.
10663 * i386.md (movhi_1): Emit mov for aligned operands.
10664 (promoting peep2s): Use aligned_operand.
10666 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10668 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10669 expression to allow underscores in macro names.
10670 (fix_char_macro_defines): Increment scanning pointer.
10672 2000-01-23 Richard Henderson <rth@cygnus.com>
10674 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10675 * alpha/osf5.h: New file.
10676 * configure.in (alpha-*-osf5): Add it to tm_file.
10678 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10680 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10681 (alpha_emit_xfloating_cvt, function_arg): Declare.
10682 * alpha.c (alpha_emit_conditional_branch): Call
10683 alpha_emit_xfloating_compare for TFmode compares.
10684 (alpha_lookup_xfloating_lib_func): New.
10685 (alpha_compute_xfloating_mode_arg): New.
10686 (alpha_emit_xfloating_libcall): New.
10687 (alpha_emit_xfloating_arith): New.
10688 (alpha_emit_xfloating_compare): New.
10689 (alpha_emit_xfloating_cvt): New.
10690 (print_operand): Add default abort case.
10691 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10692 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10693 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10694 (RETURN_IN_MEMORY): True for TF/TCmode.
10695 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10696 (FUNCTION_ARG): Move to function_arg.
10697 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10698 (ASM_OUTPUT_LONG_DOUBLE): New.
10699 (ASM_OUTPUT_DOUBLE): Always output bits.
10700 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10701 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10702 (extenddftf2, trunctfdf2): New.
10704 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10706 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10707 * config/sparc/sol2.h: ... here.
10709 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10711 * basic-block.h (struct loops): New field `levels'.
10712 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10713 (flow_loop_level_compute): Initialise level to 1.
10714 (flow_loops_find): Set loops->levels.
10715 (flow_loops_dump): Print loops->levels.
10717 2000-01-23 Richard Henderson <rth@cygnus.com>
10719 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10720 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10722 2000-01-23 Richard Henderson <rth@cygnus.com>
10724 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10725 * i386.h (DBX_REGISTER_NUMBER): Use them.
10726 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10727 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10728 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10729 * i386/sequent.h: Kill incorrect comment.
10731 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10733 * ggc-page.c (struct page_entry): Make `context_depth' an
10735 (struct globals): Likewise.
10737 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10739 * loop.c (check_dbra_loop): When checking a loop for
10740 reversability, check the source of any stores to ensure
10741 they don't depend on an initial value.
10743 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10745 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10747 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10749 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10750 'pz_scan' into scope of entire function. Only affects
10751 compiles with -DDEBUG.
10753 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10755 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10756 section naming to that prior to 2000-01-07 patch.
10757 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10758 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10759 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10760 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10761 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10763 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10765 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10768 2000-01-21 Jim Wilson <wilson@cygnus.com>
10770 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10771 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10773 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10775 * cpphash.c (change_newlines): Delete function.
10776 (struct argdata): Delete 'newlines' and 'use_count' fields.
10777 (macroexpand): Remove code referencing those fields.
10779 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10781 * loop.c (loops_info): New variable.
10782 (loop_optimize): Allocate loops->array and free it on exit.
10783 Allocate memory for loops_info and assign to each loop,
10785 (find_and_verify_loops): Do not allocate loops->array.
10787 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10789 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10791 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10793 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10794 pseudos if expanded after first flow.
10795 (movdi_pic_label_ref): Likewise.
10797 2000-01-20 Richard Henderson <rth@cygnus.com>
10799 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10801 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10803 * Makefile.in (fixinc.sh): Depend on specs.
10804 * fixinc/Makefile.in: Add rule to create machname.h.
10805 (fixlib.o): Depend on machname.h.
10806 * fixinc/fixtests.c (machine_name): New test.
10807 * fixinc/fixfixes.c (machine_name): New fix.
10808 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10809 the machine_name test and fix.
10810 * fixinc/fixlib.h: Prototype it.
10811 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10812 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10814 * gcc.c (do_spec_1) [case P]: Take care not to create
10815 identifiers with three leading or trailing underscores.
10817 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10818 (fixincl): Don't specify libraries twice on link line.
10819 (gnu-regex.o): Remove special rule.
10820 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10821 defined by config.h. Do not define _REGEX_RE_COMP.
10822 (regcomp): Allocate and initialize a fastmap.
10823 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10825 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10827 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10829 2000-01-19 Richard Henderson <rth@cygnus.com>
10831 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10832 arguments with BB. Update all callers. Tidy line wrapping.
10834 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10836 * emit-rtl.c (try_split): Return last_insn if we split the
10839 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10841 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10842 (ix86_initial_elimination_offset): Declare.
10843 * i386.c (ix86_nsaved_regs): Break out from ...
10844 (ix86_can_use_return_insn_p): ... here.
10845 (ix86_emit_save_regs): Break out from ...
10846 (ix86_expand_prologue): ... here.
10847 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10849 (ix86_expand_epilogue): ... here.
10850 (ix86_compute_frame_size): Make static, add prototype.
10851 (ix86_initial_elimination_offset): Break out from ...
10852 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10854 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10856 * recog.h (OUT_FCN): Delete.
10858 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10860 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10862 * cppalloc.c: PROTO -> PARAMS.
10863 * cpperror.c: Likewise.
10864 * cppfiles.c: Likewise.
10865 * cpplib.c: Likewise.
10866 * cpplib.h: Likewise.
10868 * config/arm/arm-protos.h: PROTO -> PARAMS.
10869 * config/arm/arm.c: Likewise.
10870 * config/c4x/c4x.c: Likewise.
10871 * config/fr30/fr30-protos.h: Likewise.
10872 * config/nextstep.c: Likewise.
10873 * config/pa/pa.c: Likewise.
10874 * config/pj/pj.c: Likewise.
10875 * config/rs6000/rs6000.c: Likewise.
10876 * config/v850/v850-protos.h: Likewise.
10877 * config/v850/v850.c: Likewise.
10879 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10881 * i370-protos.h: New file.
10883 * i370.c: Include tm_p.h. Fix compile time warnings.
10885 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10888 * i370.md: Likewise.
10890 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10892 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10893 (target_isinf, target_isnan, eisnan): Mark parameter with
10895 (eiisinf): Wrap in INFINITY.
10896 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10897 (ibmtoe): Remove unused variable `rndsav'.
10899 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10901 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10902 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10904 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10906 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10907 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10908 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10910 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10911 Recognize Emacs mode markers also.
10912 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10913 C++ comments in C++ headers. Call is_cxx_header only if
10916 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10917 bypass for ncurses.
10918 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10919 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10920 ... these, which use the new C fixes.
10921 (math_exception): Escape literal '+' in bypass expression.
10923 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10926 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10928 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10931 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10933 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10934 prior to calling scan_loop.
10936 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10938 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10939 (split_branches, calc_live_regs): Likewise.
10941 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10943 * sh.md (fpu_single, fp_mode): New attributes.
10945 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10947 * loop.c (current_loop_info): Renamed from loop_info_data
10948 and changed to a pointer.
10949 (loop_optimize): Allocate loop_info structure for each loop
10950 and initialise to zero.
10951 (scan_loop): Set current_loop_info.
10953 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10956 2000-01-19 Richard Henderson <rth@cygnus.com>
10958 * stupid.c: Die die die.
10959 * Makefile.in (OBJS): Remove stupid.o.
10960 (stupid.o): Likewise.
10962 * except.c (emit_eh_context): Don't emit USEs for stupid.
10963 * explow.c (probe_stack_range): Likewise.
10964 * flags.h (obey_regdecls): Remove.
10965 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10966 when not optimizing.
10967 (life_analysis): Limit data collection when not optimizing.
10968 (mark_regs_live_at_end): Always mark the return value registers.
10969 (mark_used_regs): Remove dummy RETURN case.
10970 (print_rtl_with_bb): Don't consult obey_regdecls.
10971 * function.c (use_variable, use_variable_after): Remove.
10972 (assign_parms): Consult optimize not obey_regdecls.
10973 (expand_function_start): Don't emit USEs for stupid.
10974 (expand_function_end): Likewise.
10975 * global.c (build_insn_chain): Export.
10976 * integrate.c (expand_inline_function): Kill return-value USE
10978 * jump.c (jump_optimize_1): Do simple jump optimizations and
10979 dead code elimination.
10980 (calculate_can_reach_end): Remove check_deleted argument.
10981 (delete_insn): Patch out insns even when not optimizing.
10982 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10983 * rtl.h (use_variable, use_variable_after): Remove declarations.
10984 (build_insn_chain): Declare.
10985 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10986 (expand_end_bindings): Likewise.
10987 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10988 * toplev.c (obey_regdecls): Remove.
10989 (rest_of_compilation): Don't set it. Kill stupid in favour of
10990 flow1, local-alloc, and reload.
10991 (main): Don't set obey_regdecls.
10993 * config/nextstep.c (handle_pragma): Likewise.
10995 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10997 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10999 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11001 * alpha-protos.h: PROTO -> PARAMS.
11002 * alpha.c: Likewise.
11004 * h8300.c: Likewise.
11005 * i386-protos.h: Likewise.
11006 * i386.c: Likewise.
11007 * m32r-protos.h: Likewise.
11008 * m32r.c: Likewise.
11009 * mips.c: Likewise.
11010 * mips.md: Likewise.
11011 * gmon-sol2.c: Likewise.
11012 * sparc.c: Likewise.
11014 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11016 * ns32k-protos.h: New file.
11018 * ns32k.c: Fix compile time warnings.
11020 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
11023 * ns32k.md: Likewise.
11025 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11027 * vax-protos.h: New file.
11029 * vax.c: Fix compile time warnings.
11031 * vax.h: Move prototypes to vax-protos.h. Fix compile time
11034 * vax.md: Likewise.
11036 * vaxv.md: Likewise.
11038 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * romp-protos.h: New file.
11042 * romp.c: Fix compile time warnings.
11044 * romp.h: Move prototypes to romp-protos.h. Fix compile time
11047 * romp.md: Likewise.
11049 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11051 * we32k-protos.h: New file.
11053 * we32k.c: Fix compile time warnings.
11055 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
11058 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11060 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
11062 * except.c (eh_regs): Likewise.
11064 * final.c (output_operand): Likewise.
11066 * fold-const.c (target_isinf, target_isnan): Likewise.
11068 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11070 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
11071 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
11073 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
11074 when optimize_size.
11075 (clrstrsi): Rewrite.
11076 (strsethi, strsetqi): New expanders.
11077 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
11078 (cmpstrsi): Emit compare insn before cmpstrsi_1
11079 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
11080 (strlensi_1): Likewise.
11081 (cmpstrsi_1): Likewise; do not output compare.
11082 (strlen expander): Do not unroll when optimizing for size.
11083 (*subsi3_carry): Rename to subsi3_carry
11084 (addqi3_cc): New pattern.
11085 * i386.h (processor_costs): Add move_ratio field.
11086 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
11087 * i386.c (*_cost): Set move_ratio.
11088 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
11089 (x86_expand_strlensi_1): Rewrite the main loop.
11091 2000-01-17 Richard Henderson <rth@cygnus.com>
11093 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
11094 * cse.c (find_comparison_args, fold_rtx): Likewise.
11095 * integrate.c (subst_constants): Likewise.
11096 * loop.c (get_condition): Likewise.
11098 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
11100 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
11102 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11104 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
11105 (RESTORE_WARN_FLAGS): Unpack it.
11106 Change semantic type of extension to ttype.
11107 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
11108 * c-parse.y, c-parse.c, objc/objc-parse.y,
11109 objc/objc-parse.c: Regenerate.
11111 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
11113 * fixinc/fixlib.c: Add copyright notice.
11114 (compile_re): New function.
11115 * fixinc/fixlib.h: Prototype compile_re.
11117 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
11118 Use compile_re to compile regular expressions.
11120 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
11121 where the pattern matched.
11123 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
11125 (ultrix_ansi_compat): Likewise.
11126 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
11128 (interactv_add2, interactv_add3): Delete.
11129 (x11_sprintf): Don't use filename glob.
11130 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
11133 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11135 * print-rtl.c: PROTO -> PARAMS.
11136 * real.c: Likewise.
11137 * reg-stack.c: Likewise.
11138 * resource.c: Likewise.
11139 * sdbout.h: Likewise.
11140 * simplify-rtx.c: Likewise.
11141 * stor-layout.c: Likewise.
11142 * stupid.c: Likewise.
11143 * xcoffout.c: Likewise.
11144 * xcoffout.h: Likewise.
11146 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11148 * toplev.c: PROTO -> PARAMS.
11149 * toplev.h: Likewise.
11150 * tree.c: Likewise.
11151 * tree.h: Likewise.
11152 * unroll.c: Likewise.
11153 * varasm.c: Likewise.
11154 * varray.c: Likewise.
11155 * varray.h: Likewise.
11157 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11159 * reload.c: PROTO -> PARAMS.
11160 * reload.h: Likewise.
11161 * reload1.c: Likewise.
11162 * reorg.c: Likewise.
11163 * resource.h: Likewise.
11166 * rtlanal.c: Likewise.
11167 * sbitmap.h: Likewise.
11168 * sdbout.c: Likewise.
11169 * stack.h: Likewise.
11170 * stmt.c: Likewise.
11171 * system.h: Likewise.
11173 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11175 * machmode.h: PROTO -> PARAMS.
11176 * mbchar.h: Likewise.
11177 * mips-tdump.c: Likewise.
11178 * mips-tfile.c: Likewise.
11179 * optabs.c: Likewise.
11180 * output.h: Likewise.
11181 * prefix.c: Likewise.
11182 * profile.c: Likewise.
11183 * protoize.c: Likewise.
11184 * real.h: Likewise.
11185 * recog.c: Likewise.
11186 * recog.h: Likewise.
11187 * regclass.c: Likewise.
11188 * regmove.c: Likewise.
11189 * regs.h: Likewise.
11191 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11193 * ggc-common.c: PROTO -> PARAMS.
11194 * ggc-page.c: Likewise.
11195 * ggc-simple.c: Likewise.
11197 * global.c: Likewise.
11198 * graph.c: Likewise.
11199 * gthr-win32.h: Likewise.
11200 * haifa-sched.c: Likewise.
11201 * halfpic.h: Likewise.
11202 * integrate.c: Likewise.
11203 * integrate.h: Likewise.
11204 * jump.c: Likewise.
11206 * local-alloc.c: Likewise.
11207 * loop.c: Likewise.
11208 * loop.h: Likewise.
11210 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11212 * genattr.c: PROTO -> PARAMS.
11213 * genattrtab.c: Likewise.
11214 * gencheck.c: Likewise.
11215 * gencodes.c: Likewise.
11216 * genconfig.c: Likewise.
11217 * genemit.c: Likewise.
11218 * genextract.c: Likewise.
11219 * genflags.c: Likewise.
11220 * gengenrtl.c: Likewise.
11221 * genopinit.c: Likewise.
11222 * genoutput.c: Likewise.
11223 * genpeep.c: Likewise.
11224 * genrecog.c: Likewise.
11226 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11228 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11230 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11232 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11233 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11234 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11235 * configure, config.in: Rebuilt.
11237 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11239 * config/i386/i386.md: Add peephole to merge successive stack
11242 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11244 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11245 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11246 when walking backwards to find all the parameter loads when
11247 the basic block ends in a call.
11249 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11251 * loop.c (this_loop_info): Delete.
11252 (uid_loop): Add in place of uid_loop_num. All uses updated.
11253 (loop_number_exit_count): Delete and replace with entry in loop
11254 structure. All uses updated.
11255 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11256 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11257 (loop_outer_loop): Likewise.
11258 (loop_invalid, loop_number_exit_labels): Likewise.
11259 (loop_used_count_register): Delete and replace with entry in
11260 loop_info structure.
11261 (find_and_verify_loops): Add loops argument.
11262 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11263 loop_end, etc. arguments with loop structure pointer. All callers
11265 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11266 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11267 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11268 (insert_bct): Likewise.
11269 (basic_induction_var): New argument level.
11270 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11271 vtop, and cont. Add used_count_register.
11272 (uid_loop): Delete declaration.
11273 (loop_number_exit_count): Likewise.
11274 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11275 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11276 (loop_outer_loop, loop_used_count_register): Likewise.
11277 (loop_invalid, loop_number_exit_labels): Likewise.
11278 (unroll_loop): Replace loop_start and loop_end arguments
11279 with loop structure pointer.
11280 (loop_precondition_p, loop_iterations): Likewise.
11281 Include basic-block.h.
11282 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11283 with loop structure pointer.
11284 (loop_precondition_p, loop_iterations): Likewise.
11285 * basic-block.h (struct loop): New entries vtop, cont,
11286 cont_dominator, start, end, top, scan_start, exit_labels,
11288 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11290 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11292 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11294 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11296 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11298 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11300 * pdp11-protos.h: New file.
11302 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11305 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11308 * pdp11.md: Likewise.
11310 * 2bsd.h: Likewise.
11312 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11314 * mn10300-protos.h: New file.
11316 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11319 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11322 * mn10300.md: Likewise.
11324 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11326 * mn10200-protos.h: New file.
11328 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11331 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11334 * mn10200.md: Likewise.
11336 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11338 * h8300-protos.h: New file.
11340 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11343 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11346 * h8300.md: Likewise.
11348 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11350 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11351 (asm_emit_uninitialised): Likewise.
11353 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11355 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11356 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11358 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11360 * config/mips/mips.c (override_options): Don't turn on extra
11361 alignment for mips16.
11363 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11365 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11366 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11369 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11371 * builtins.c (PAD_VARARGS_DOWN): Define.
11372 (std_expand_builtin_va_arg): Use the above macro.
11373 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11374 * tm.texi (Register Arguments): Document the above macro.
11376 2000-01-14 Nick Clifton <nickc@cygnus.com>
11378 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11379 that this function has not been used to emit a jump
11382 * jump.c (return_jump_1): Cope with being passed a null rtx.
11384 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11386 * eh-common.h: PROTO -> PARAMS.
11387 * emit-rtl.c: Likewise.
11388 * errors.c: Likewise.
11389 * errors.h: Likewise.
11390 * except.c: Likewise.
11391 * except.h: Likewise.
11392 * explow.c: Likewise.
11393 * expmed.c: Likewise.
11394 * expr.c: Likewise.
11395 * expr.h: Likewise.
11396 * final.c: Likewise.
11397 * fix-header.c: Likewise.
11398 * flow.c: Likewise.
11399 * fold-const.c: Likewise.
11400 * function.c: Likewise.
11401 * function.h: Likewise.
11403 * gcov-io.h: Likewise.
11404 * gcov.c: Likewise.
11405 * gcse.c: Likewise.
11407 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11409 * sh-protos.h: New file.
11411 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11412 Add static prototypes. Fix compile time warnings.
11414 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11418 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11420 * arc-protos.h: New file.
11422 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11425 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11428 * arc.md: Likewise.
11430 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11432 * dsp16xx-protos.h: New file.
11434 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11437 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11440 * dsp16xx.md: Likewise.
11442 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11444 * convex-protos.h: New file.
11446 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11449 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11452 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11454 * elxsi-protos.h: New file.
11456 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11459 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11462 * elxsi.md: Likewise.
11464 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11466 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11467 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11468 match the comment for MIPS16.
11470 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11472 * flow.c (split_edge): Do not call set_block_for_insn if we
11473 do not have a basic_block_for_insn structure.
11475 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11476 and destination functions are 32bit aligned within the trampoline.
11477 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11478 (TRAMPOLINE_ALIGNMENT): Define.
11480 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11481 (set (pc) (label_ref)), verify the change creates a valid insn.
11483 * fr30.c (call_operand): Tighten and rework to match rules for
11484 call RTL expressions.
11485 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11486 * fr30.md (call patterns): Improve constraints.
11488 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11490 * fr30.c (fr30_expand_epilogue): Revert last change.
11491 Use emit_jump_insn for the return insn.
11493 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11494 Stan Cox <scox@cygnus.com>
11496 * predict.c: New file. Preliminary infrastructure work for static
11497 branch prediction and basic block reordering.
11498 * basic-block.h: Add prototype for estimate_probability.
11499 * Makefile.in: Add rules for predict.o.
11501 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11503 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11504 * fixinc/*: Likewise.
11506 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11508 * cccp.c: PROTO -> PARAMS.
11509 * cexp.y: Likewise.
11510 * collect2.c: Likewise.
11511 * combine.c: Likewise.
11512 * convert.h: Likewise.
11514 * dbxout.c: Likewise.
11515 * dbxout.h: Likewise.
11516 * diagnostic.c: Likewise.
11517 * doprint.c: Likewise.
11518 * dwarf2out.c: Likewise.
11519 * dwarf2out.h: Likewise.
11520 * dwarfout.c: Likewise.
11521 * dwarfout.h: Likewise.
11522 * dyn-string.h: Likewise.
11524 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11526 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11527 macro conditionals guarding use.
11529 * dwarf2out.c: Include "tm_p.h".
11531 * function.c (locate_and_pad_parm): Mark parameter with
11533 (expand_function_end): Likewise for variable `context'.
11535 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11537 2000-01-13 Nick Clifton <nickc@cygnus.com>
11539 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11540 register to prevent compile time warnings.
11542 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11544 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11545 to avoid -Wtraditional warning.
11547 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11549 * 1750a-protos.h: New file.
11551 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11554 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11557 * 1750a.md: Likewise.
11559 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11561 * a29k-protos.h: New file.
11563 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11566 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11569 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11571 * clipper-protos.h: New file.
11573 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11576 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11579 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11581 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11583 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11585 * configure.in (--enable-new-gxx-abi): New option.
11586 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11587 * Makefile.in (GXX_ABI_FLAG): New variable.
11588 * configure: Regenerate.
11590 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11592 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11593 * tm.texi (FORCE_STRUCT_BLK): Document.
11594 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11596 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11598 * config/ns32k/ns32k.md: Revert Jan 9 change.
11600 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11601 to a mode-test, if the predicate is address_operand.
11603 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11605 * combine.c (if_then_else_cond): Be careful about what kinds
11606 of RTL expressions are passed to operand_subword.
11608 * flow.c (split_edge): If we have to insert a new jump, make
11609 sure to associate it with a basic block.
11611 * flow.c (commit_one_edge_insertion): A block with one successor
11612 can end in a JUMP_INSN that is not a simplejump.
11614 2000-01-12 Robert Lipe <robertl@sco.com>
11616 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11617 (BUILD_VA_LIST_TYPE): Define.
11618 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11621 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11623 * cccp.c (do_pragma): Add cast to (char *).
11625 2000-01-12 Richard Henderson <rth@cygnus.com>
11626 Fred Fish <fnf@be.com>
11627 Jason Merrill <jason@cygnus.com>
11629 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11630 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11631 * i386/beos-elf.h, i386/beos-pe.h: New files.
11633 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11634 * cross-make (SYSTEM_HEADER_DIR): Define using
11635 CROSS_SYSTEM_HEADER_DIR.
11637 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11638 (process_command): Use it.
11639 (main): Likewise. Kill trailing = from env vars.
11640 (build_search_list): Put it back.
11641 * collect2.c (main): Use LIBRARY_PATH_ENV.
11643 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11644 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11646 * tm.texi (Frame Layout): Document SMALL_STACK.
11647 * c-common.c (c_common_nodes_and_builtins): Check it.
11649 * system.h: Undef alloca after including glibc's <stdlib.h>,
11650 if USE_C_ALLOCA is defined.
11652 * gcc.c (set_input): New fn.
11653 (main): After all input files are compiled, reset the input file
11656 * aclocal.m4 (rindex, index): If already defined, don't attempt
11659 * ginclude/varargs.h: (__va_list__): Define ifndef.
11660 * ginclude/stdarg.h: Likewise.
11662 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11663 instead of unsigned char.
11665 * hash.h (true, false, boolean): Undef before enum.
11667 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11668 proper type of "HOST_WIDE_INT *", rather than their natural type of
11669 "unsigned HOST_WIDE_INT *".
11671 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11673 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11675 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11677 * regclass.c (choose_hard_reg_mode): Likewise.
11679 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11681 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11683 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11685 * c-common.c: PROTO -> PARAMS.
11686 * c-common.h: Likewise.
11687 * c-decl.c: Likewise.
11688 * c-iterate.c: Likewise.
11689 * c-lang.c: Likewise.
11690 * c-lex.c: Likewise.
11691 * c-lex.h: Likewise.
11692 * c-parse.in: Likewise.
11693 * c-pragma.c: Likewise.
11694 * c-pragma.h: Likewise.
11695 * c-tree.h: Likewise.
11696 * c-typeck.c: Likewise.
11697 * objc/objc-act.c: Likewise.
11698 * objc/objc-act.h: Likewise.
11700 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11702 * m88k-protos.h: New file.
11704 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11707 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11709 * m88k.md: Likewise.
11711 * tekXD88.h: Likewise.
11713 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11715 * m68k-protos.h: New file.
11717 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11720 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11722 * mot3300.h: Likewise.
11724 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11726 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11728 (extract_bitlist): Declare bitlen.
11730 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11732 * cccp.c: Accept and ignore -lang-fortran.
11734 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11735 qualifiers don't match at any level of pointerness.
11737 2000-01-12 Robert Lipe <robertl@sco.com>
11739 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11741 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11743 * reload1.c (reload_reg_unavailable): New static variable.
11744 (reload_reg_free_p): Test it.
11745 (reload_reg_free_for_value_p): Test it instead of
11747 (choose_reload_regs_init): Compute it.
11749 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11751 * reorg.c (fill_slots_from_thread): Check modified_in_p
11754 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11756 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11757 these nodes even if INTERNALS is not set.
11759 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11761 * gcse.c (delete_null_pointer_checks_1): Cope when
11762 get_condition cannot determine the condition.
11764 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11766 * toplev.h (set_message_length): Declare.
11768 * diagnostic.c (obstack_chunk_alloc): Define macro.
11769 (obstack_chunk_free): Likewise.
11770 (struct output_buffer): New data structure.
11771 (vmessage): Remove.
11772 (output_maximum_width): New variable.
11773 (doing_line_wrapping, set_message_length, init_output_buffer,
11774 get_output_prefix, output_space_left, emit_output_prefix,
11775 output_newline, output_append, output_puts, dump_output,
11776 vbuild_message_string, build_message_string, build_location_prefix,
11777 voutput_notice, output_printf, line_wrapper_printf,
11778 vline_wrapper_message_with_location): New functions. Implement
11779 automatic line wrapping.
11780 (v_message_with_decl): Make it handle automatic line wrapping.
11781 (v_error_with_file_and_line): Likewise.
11782 (v_warning_with_file_and_line): Likewise.
11783 (announce_function): Likewise.
11784 (default_print_error_function): Likewise.
11786 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11788 * cpplib.h (struct cpp_options): Change lang_asm to char.
11790 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11791 done in cpp_handle_option now.
11792 (initialize_builtins): Take out special case code used only by
11794 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11795 if -traditional. Recognize -lang-fortran and set
11796 lang_fortran, also turn off cplusplus_comments.
11797 (print_help): Document -lang-fortran.
11798 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11799 lang_asm. Ignore all directives other than `# 123 "file"' if
11801 (cpp_get_token): If -traditional, don't recognize directives
11802 unless the # is in column 1.
11803 (parse_string): If lang_fortran or lang_asm, silently
11804 terminate strings ('' or "") at end of line.
11805 Remove unnecessary braces.
11807 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11808 Richard Henderson <rth@cygnus.com>
11810 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11812 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11813 strict_low_part when possible.
11815 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11817 * alias.c: PROTO -> PARAMS.
11818 * basic-block.h: Likewise.
11819 * bitmap.c: Likewise.
11820 * bitmap.h: Likewise.
11821 * builtins.c: Likewise.
11822 * c-aux-info.c: Likewise.
11823 * caller-save.c: Likewise.
11824 * calls.c: Likewise.
11826 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11828 * Makefile.in (toplev.o): Depend on regs.h.
11830 * output.h (tdesc_section): Prototype.
11832 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11834 * sdbout.c: Include "tm_p.h".
11836 * toplev.c: Include "regs.h".
11838 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11840 * unroll.c (unroll_loop): Add EH support.
11842 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11844 * pa-protos.h: New file.
11846 * pa.c: Include recog.h and tm_p.h.
11847 (compute_zdepwi_operands, compute_movstrsi_length,
11848 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11849 find_addr_reg, import_milli): Add static prototypes.
11850 (pa_cpu_string, pa_arch_string): Constify a char*.
11851 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11852 (read_only_operand): Add argument `mode'.
11853 (singlemove_string, output_move_double, output_fp_move_double,
11854 output_block_move, output_and, output_ior, output_ascii,
11855 remove_useless_addtr_insns, milli_names, output_mul_insn,
11856 output_div_insn, output_mod_insn, output_arg_descriptor,
11857 output_cbranch, output_bb, output_bvb, output_dbra, ,
11858 output_millicode_call, output_call, hppa_encode_label,
11859 output_parallel_movb, output_parallel_addb): Constify a char*.
11860 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11861 (output_parallel_addb): Remove extra arg to `constrain_operands'
11863 * pa.h: Move all prototypes to pa-protos.h.
11864 (pa_cpu_string, pa_arch_string): Constify a char*.
11865 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11867 * pa.md: Call `function_label_operand' with mode argument.
11868 Likewise for `read_only_operand'.
11869 Fix nesting of parens in call to `symbolic_operand'.
11871 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11873 * i860-protos.h: New file.
11875 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11878 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11880 * i860.md: Likewise.
11882 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11884 * i386.md (movstrsi expander): Rewrite.
11885 (movstrsi_1 insn): Deleted.
11886 (strmovhi, strmovqi expander): New expanders.
11887 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11888 * i386.c (x86_single_stringop): New global variable.
11889 * i386.h (x86_single_stringop): Declare.
11890 (TARGET_SINGLE_STRINGOP): New macro.
11892 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11894 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11895 integer vararg POSTINCREMENT before the destination of the jump
11896 for the hard fp case.
11897 (function_arg_pass_by_reference): Pass a copy of CUM to
11900 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11901 for CONSTANT_ADDRESS_P above while loop for subreg.
11903 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11905 * flow.c (propagate_block): When a prologue/epilogue insn
11906 is marked dead, unconditionally clear libcall_is_dead and
11907 insn_is_dead, and only dump rtl if warnings aren't being
11910 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11912 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11913 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11914 (FIXED_REGISTERS): Set dirflag as fixed.
11915 (CALL_USED_REGISTERS): Set dirflag as used.
11916 (REG_ALLOC_ORDER): Set dirflag as last one.
11917 (DIRFLAG_REG): New macro.
11918 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11919 (HI_REGISTER_NAMES): Add dirflag.
11920 (DEBUF_PRINT_REG): Handle dirflag.
11921 * i386.md (type attribute): New cld and str types.
11922 (length_opcode attribute): Set cld and str to 1.
11923 (memory attribute): Set str to unknown - it is not clear from the
11925 (pent_np function unit): Prefixed string operations takes 12 cycles
11926 minimally; cld takes 2 cycles.
11927 (ppro_uops attribute): Str is "many" and cld is "few".
11928 (ppro_p0 unit): Handle cld here.
11929 (k6_alux unit): Handle cld and str types.
11930 (k6_load unit): It is ocupied by str opcodes.
11931 (k6_store unit): It is ocupied by str opcodes.
11932 (athlon_decode): Str is vector decoded.
11933 (athlon_ieu): Handle str and cld.
11934 (cld pattern): New.
11935 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11936 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11937 cmpstrsi_nz_1 insn): Do not output cld instruction
11939 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11941 * gcc.texi (G++ and GCC): Add Java and Chill.
11942 (Bug Critera): Don't list languages.
11944 * gcc.texi (Incompatibilities): No longer claim most C compilers
11947 * gcc.texi (G++ and GCC): Update other front-ends list.
11949 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11951 * i386.c (ix86_expand_setcc): Fix typo.
11952 (ix86_expand_movcc): Similarly.
11954 * Band-aid until haifa's bitset implementation is nuked.
11955 * haifa-sched.c (extract_bitlst): New parameter for size of the
11956 bitset in bits. All callers changed. Avoid looking at undefined
11957 bits in the bitset.
11958 (edgeset_bitsize): New variable.
11959 (schedule_region): Initialize edgeset_bitsize.
11961 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11963 * Makefile.in (optabs.o): Depend on real.h
11964 (resource.o): Depend on insn-attr.h
11966 * builtins.c (result_vector): Wrap prototype in macro conditions
11967 governing definition and use.
11969 * c-common.c: Include tm_p.h.
11971 * c-lex.c: Likewise.
11973 * elfos.h: Constify a char*.
11975 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11976 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11977 parameter with ATTRIBUTE_UNUSED.
11979 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11982 * haifa-sched.c (schedule_insns): Mark parameter with
11985 * optabs.c: Include real.h.
11987 * real.h (ereal_atof): Add prototype arguments.
11989 * resource.c: Include insn-attr.h.
11991 * sdbout.c (sdbout_queue_anonymous_type,
11992 sdbout_dequeue_anonymous_types): Wrap in macro
11993 SDB_ALLOW_FORWARD_REFERENCES.
11994 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11997 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11999 * stupid.c: Include tm_p.h.
12001 * tree.c (real_value_from_int_cst): Mark parameter with
12004 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12006 * i960-protos.h: New file.
12008 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
12011 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
12013 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12015 * combine.c (expand_field_assignment): Do not discard SUBREGs
12016 while computing nonzero_bits.
12018 2000-01-09 Nick Clifton <nickc@cygnus.com>
12020 * config/arm/arm.c: Fix compile time warnings about signed vs
12021 unsigned constants.
12022 * config/arm/arm.h: Fix compile time warnings about signed vs
12023 unsigned constants.
12025 2000-01-09 Philip Blundell <philb@gnu.org>
12027 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
12028 than `ldm' with only one register.
12029 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
12032 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
12035 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
12037 * config/ns32k/ns32k.md (load or push effective address): Operand 1
12040 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12042 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
12043 assignment used as truth value.
12045 * function.c (assign_temp): Mark parameter `dont_promote' with
12046 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
12047 PROMOTE_FOR_CALL_ONLY.
12049 * genrecog.c (write_subroutine): Mark variable `operands' with
12052 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
12055 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
12056 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
12058 * toplev.c (note_deferral_of_defined_inline_function): Likewise
12061 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12063 * config/c4x.h: Tidy up comments.
12064 * config/c4x.c: Likewise.
12066 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
12068 * fold-const.c (lshift_double, rshift_double): Handle
12069 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
12071 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12073 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
12074 in prepare_function_start().
12076 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
12078 * config/v850/v850.c (expand_epilogue): Interrupt functions no
12079 longer allocate extra stack for function calls.
12081 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12083 * config/c4x/c4x.md (*subqf3_set): Fix typo.
12085 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12087 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
12089 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12091 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12092 * aix43.h: Revert Aug 2 change.
12093 (HAS_INIT_SECTION): Define, not visible yet.
12094 (LD_INIT_SWITCH): Define, not visible yet.
12095 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12097 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
12099 * collect2.c (main): Expand ld2 size further.
12100 (export_object_lst): Cast assignment to avoid warning.
12101 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
12102 (scan_prog_file, COFF): Do not collect initialization or
12103 finalization functions generated for entire shared object if
12104 init/fini support present.
12106 2000-01-07 Nick Clifton <nickc@cygnus.com>
12108 * config/elfos.h: Tidy up formatting of marcos. Make sure
12109 that .section directives are always prefixed by a tab.
12111 * config/svr4.h: Add #include "elfos.h" and remove duplicate
12114 2000-01-07 Matt Austern <austern@sgi.com>
12116 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
12119 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
12121 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
12123 (crtbegin.o, s-crtS): Likewise.
12125 2000-01-06 Richard Henderson <rth@cygnus.com>
12127 * alpha.md (adddi_2+1): Limit offset such that it will be
12128 loadable with a single ldah+lda pair.
12129 (adddi_2+2): Explicitly fail split if we can't make it work.
12131 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
12133 * protoize.c: Conditionally include unistd.h.
12134 (IS_SAME_PATH_CHAR): New macro.
12135 (IS_SAME_PATH): New macro.
12136 (CPLUS_FILE_SUFFIX): New macro.
12137 (cplus_suffix): New static variable.
12138 (is_abspath): New static function.
12139 (in_system_include_dir): Handle DOS style pathnames.
12140 (file_could_be_converted): Likewise.
12141 (file_normally_convertible): Likewise.
12142 (directory_specified_p): Likewise.
12143 (file_excluded_p): Likewise.
12144 (abspath): Likewise.
12145 (shortpath): Likewise.
12146 (referenced_file_is_newer): Likewise.
12147 (save_def_or_dec): Likewise.
12148 (do_processing): Likewise.
12150 (edit_file): Likewise. Use rename instead of link.
12151 (rename_c_file): Likewise. Don't rename syscalls file.
12152 (munge_compile_params): Define null device for DOS based systems.
12153 (process_aux_info_file): Use binary mode if appliable.
12154 (edit_file): Likewise.
12155 * invoke.texi (Running Protoize): Document C++ suffixes used.
12157 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
12158 IS_DIR_SEPARATOR macros.
12159 * collect2.c: Likewise.
12160 * cppinit.c: Likewise.
12161 * dwarf2out.c: Likewise.
12163 * gcov.c: Likewise.
12164 * prefix.c: Likewise.
12166 * toplev.c: Likewise.
12167 * system.h: And move to here.
12169 * prefix.c (update_path): Fix typo in variable name.
12171 2000-01-06 Richard Henderson <rth@cygnus.com>
12173 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
12174 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
12175 (count_reg_sets_1, count_reg_references): Likewise.
12176 (flow_loops_level_compute): Start counting actual loop depth at 1.
12177 (flow_loops_find): Likewise.
12178 * local-alloc.c (update_equiv_regs): Likewise.
12179 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
12181 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12183 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12184 FIRST_PSEUDO_REGISTER
12185 * dwarf2out.c: Don't include frame.h
12186 * dwarfout.c: Likewise
12187 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12190 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12192 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12195 * i386.c (movsf splitter): Fix typo in my last checkin.
12197 2000-01-05 Nick Clifton <nickc@cygnus.com>
12199 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12200 own definition of this macro.
12201 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12202 flag_data_sections or UNIQUE_SECTION_P are true.
12204 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12205 unitialised data decls.
12207 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12208 being called for uninitialised data.
12210 * config/i386/interix.c (i386_pe_unique_section): Cope with
12211 being called for uninitialised data.
12213 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12214 for uninitialised data.
12216 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12217 for uninitialised data.
12219 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12220 for uninitialised data.
12222 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12223 (UNIQUE_SECTION_P): Always generate a unique section if
12224 flag_data_sections is true.
12225 (UNIQUE_SECTION): Also generate unique sections for
12226 uninitialised data.
12227 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12228 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12231 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12233 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12236 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12238 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12239 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12240 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12241 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12242 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12244 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12246 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12248 * c-decl.c (finish_enum): Simplify code to determine minimum and
12249 maximum values of the enum, and calculate the type. Remove check
12250 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12251 the DECL_INITIAL of each enumeration constant with a copy converted
12252 to the enumeration type. When updating variant types, don't bother
12253 updating the type itself.
12255 * c-typeck.c (build_binary_op): Simplify conditional expressions
12256 when weeding out spurious signed-unsigned warnings. Add new
12257 spurious warning category: if the unsigned quantity is an enum
12258 and its maximum value fits in signed_type(result_type). Update
12260 (build_conditional_expr): Warn here if one alternative is signed
12261 and the other is unsigned.
12263 2000-01-05 Nick Clifton <nickc@cygnus.com>
12265 * config/fr30/fr30.h: Remove extraneous comments.
12267 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12269 * reload1.c (choose_reload_regs): When disabling a reload, also
12270 set reload_spill_index to -1.
12272 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12274 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12276 (m68*-*-rtemself*): New target.
12277 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12278 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12279 (sparc*-*-rtemself*): New target.
12280 (sparc*-*-rtems*): Now elf not a.out.
12281 * config/i386/rtems.h: Include config/rtems.h.
12282 * config/i386/rtemself.h: Include config/rtems.h.
12283 * config/i960/rtems.h: Include config/rtems.h.
12284 * config/m68k/rtems.h: Include config/rtems.h.
12285 * config/m68k/rtemself.h: Include config/rtems.h.
12286 * config/mips/rtems64.h: Include config/rtems.h.
12287 * config/pa/rtems.h: Include config/rtems.h.
12288 * config/rs6000/rtems.h: Include config/rtems.h.
12289 * config/sh/rtems.h: Include config/rtems.h.
12290 * config/sh/rtemself.h: Include config/rtems.h.
12291 * config/sparc/rtems.h: Include config/rtems.h.
12292 * config/sparc/rtemself.h: Include config/rtems.h
12294 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12296 * final.c (shorten_branches): Correctly compute length of
12297 asms without operands.
12299 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12301 * configure.in: Add pj target.
12302 * configure: Regenerate.
12303 * config/pj: New directory.
12304 * config/pj/lib1funcs.S: New file.
12305 * config/pj/linux.h: New file.
12306 * config/pj/pj.c: New file.
12307 * config/pj/pj.md: New file.
12308 * config/pj/pjl.h: New file.
12309 * config/pj/t-pj: New file.
12310 * config/pj/xm-pj.h: New file
12312 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12314 * toplev.c (rest_of_compilation): Run shorten-branches before
12317 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12319 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12320 macros so that they're consistent with their names.
12321 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12322 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12324 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12326 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12327 modified inadvertently.
12329 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12331 * configure.in (v850*-*-rtems*): New target.
12332 * configure: Regenerate.
12333 * config/v850/rtems.h: New file.
12335 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12337 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12338 (__gthread_key_create): Likewise.
12339 (__gthread_key_dtor): Likewise.
12340 (__gthread_once): Fix logic.
12341 (__gthread_key_delete): Cast away constness.
12343 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12344 * invoke.texi: Document.
12345 * i386/mingw32.h (CPP_SPEC): Use.
12346 (LIBGCC_SPEC): Likewise.
12347 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12349 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12351 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12352 (HANDLE_PRAGMA_PACK): Undefine.
12353 (SLOW_UNALIGNED_ACCESS): Define.
12355 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12357 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12358 to default definition.
12359 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12360 (store_fixed_bit_field): Call macro with word_mode and alignment.
12361 (extract_bit_field): Call macro with relevant mode and alignment.
12362 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12363 to default definition.
12364 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12366 (move_by_pieces_ninsns): Likewise.
12367 (clear_by_pieces): Likewise.
12368 (emit_push_insn): Likewise.
12369 (store_field): Call macro with relevant mode and alignment.
12370 (expand_expr): Likewise.
12371 (expand_expr_unaligned): Likewise.
12373 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12374 (SLOW_UNALIGNED_ACCESS): Define.
12375 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12376 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12377 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12378 (toc_section): Likewise and .toc pseudo-op.
12379 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12381 (TEXT_SECTION_ASM_OP): Likewise.
12382 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12385 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12386 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12387 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12388 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12389 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12391 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12393 * regclass.c: Revert my Jan 4 change to loop cost computation.
12395 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12397 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12400 2000-01-04 Stan Cox <scox@cygnus.com>
12402 * haifa-sched.c (build_control_flow): Change unreachable simple
12403 loop test to check if current block has only one predecessor.
12404 (find_rgns): Initialize degree. Use dest as degree index, not src.
12406 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12408 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12410 * calls.c (expand_call): Likewise for
12411 `old_stack_arg_under_construction'.
12413 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12415 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12418 * gcc.c (execute): Likewise for `ut' and `st'.
12420 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12422 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12424 * jump.c (jump_optimize_1): Likewise for `temp2'.
12426 * local-alloc.c (block_alloc): Likewise for `r1'.
12428 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12430 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12431 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12433 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12436 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12437 and `goal_earlyclobber'.
12439 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12441 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12443 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12445 * unroll.c (copy_loop_body): Likewise for `copy'.
12447 * varasm.c (output_constructor): Likewise for `byte'.
12449 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12451 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12452 all FP constants for constant->reg moves.
12453 (ix86_split_to_parts): Try to convert memory address into immediate
12454 when available in the constant pool.
12455 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12457 (LEGITIMATE_CONSTANT_P): Return 1.
12458 * i386.md (pushsf): New splitter to convert constant pool memory
12459 reference to immediate.
12460 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12463 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12465 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12466 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12467 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12468 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12469 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12471 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12473 * ginclude/stdbool.h: Support compilation as C++.
12475 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12477 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12479 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12481 * regclass.c (regclass): Properly compute loop_cost. Adjust
12484 * regclass.c: Fix minor whitespace problems.
12486 2000-01-03 Anthony Green <green@cygnus.com>
12488 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12489 Restore the pic register if required.
12491 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12493 * c-common.c (format_char_info): Update comment.
12494 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12495 was recognized. Emit warning for formats new in ISO C99 only
12496 if flag_isoc9x is not set.
12498 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12500 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12502 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12504 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12505 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12506 (make_compound_operation): Choose cheaper alternative between
12507 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12509 * regclass.c (op_costs): Remove global variable.
12510 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12511 (record_operand_costs): Break out from ...
12512 (scan_one_insn): ... here.
12513 (dump_regclass): Make dumps nicer.
12514 (regclass): Dump preferrences choosed and changes done during passes.
12516 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12518 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12520 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12522 * config/sparc/sparc.c (gen_df_reg): New function.
12523 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12524 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12525 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12526 movtf_cc_reg_sp64+1): Use it.
12528 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12530 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12531 copied LABEL_DECLs.
12533 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12535 * config/i386/i386.c (ix86_expand_unary_operator): Function
12536 definition made void.
12537 (ix86_expand_binary_operator): Update outdated preceding comment.
12538 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12541 * config/i386/i386.c (override_options): Fix option-name typo.
12543 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12545 * system.h (CEIL): Define.
12546 * builtins.c (CEIL): Remove.
12547 * expmed.c (CEIL): Likewise.
12548 * expr.c (CEIL): Likewise.
12549 * stor-layout.c (CEIL): Likewise.
12551 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12553 * expr.c (store_constructor_field): Fix typo introduced with last
12556 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12558 * tree.h (BINFO_N_BASETYPES): New macro.
12560 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12562 * expmed.c (emit_store_flag): Prevent losing a pending stack
12563 adjust the same way we prevent losing queued increments.
12565 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12567 * function.c (update_temp_slot_address): Handle case where sum of
12568 temporary address plus offset in register is a valid address.
12570 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12572 * genrecog.c (change_state) Corrected typo.
12574 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12576 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12577 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12578 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12580 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12582 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12583 case, expand GT comparisons correctly. Fix a comment before this
12586 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12588 * dwarfout.c: Include "frame.h"
12589 * dwarf2out.c: Likewise.
12590 * Makefile.in (dwarfout.o): Depend on frame.h
12591 (dwarf2out.o): Likewise.
12593 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12595 Restore i386 binary compatibility in Dwarf EH info.
12596 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12597 value of FIRST_PSEUDO_REGISTER.
12598 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12599 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12600 * dwarfout.c (output_reg_number): Ditto.
12601 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12602 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12604 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12606 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12607 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12608 (<hack>_RE_CT): not needed
12609 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12610 rewritten to scan the file text once only
12611 "template<..." test added
12612 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12613 (is_cxx_header): declaration added
12614 * fixinc/fixtests.c(is_cxx_header): removed
12615 (apply_fix_p_t): removed
12616 (double_slash_test): is_cxx_header is only called once now
12617 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12618 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12619 within the templates.
12620 The borken spelling of "broken" was fixed.
12621 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12622 The default level depends on FIXINC_DEBUG.
12624 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12626 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12627 Otherwise provide a declaration for atexit.
12628 (init_dummy): Make sure dummy call to atexit is nevertheless
12629 called with correct number of args.
12631 * frame.c: Update comments referring to other files.
12633 * libgcc2.c: Likewise.
12635 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12637 * cse.c (free_element, get_element): Remove unused prototypes.
12639 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12642 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12645 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12647 * configure.in,configure: case arm for mn10200-*-* now sets
12648 float_format=i32 so that float.h will correctly claim "double"
12649 to be 32 bits. Ran autoconf to generate configure from .in file.
12651 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12653 * pa.md (conditional zero): If op1 is a register, force it into
12654 the same register as op0.
12656 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12658 * tree.h (BINFO_BASETYPES): Improve documentation.
12660 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12662 * configure.in (--enable-checking): Use a more portable `for'
12665 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12667 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12668 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12670 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12673 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12674 Delete descriptions.
12676 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12677 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12678 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12679 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12680 xm-svr4.h: Remove all instances of sys_siglist handling.
12682 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12684 * config/sparc/sparc.md (cmp_zero_qi,
12685 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12686 cmp_zero_extendqidi2_andcc_set): New patterns.
12688 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12690 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12691 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12692 (fpgnulib.c, xfgnulib.c): Add rules.
12693 * m68k/t-mot3300-gas: Likewise.
12695 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12697 * configure.in: Avoid [[ by using test and changequote. Add
12698 changequote required by 1999-12-14 change.
12699 * configure: Rebuild.
12701 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12703 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12705 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12707 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12708 * flow.c (find_use_as_address): Likewise.
12709 * function.c (fixup_var_refs_1): Likewise.
12710 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12711 * jump.c (invert_exp, redirect_exp): Likewise.
12712 * loop.c (replace_call_address): Likewise.
12713 (count_nonfixed_reads): Likewise.
12714 * rtlanal.c (modified_between_p): Likewise.
12715 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12716 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12717 * unroll.c (remap_split_bivs): Likewise.
12719 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12721 * diagnostic.c (v_message_with_decl): Use .* format specifier
12722 instead of building the format specifier width manually.
12724 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12725 determining whether to provide a prototype. Remove the
12726 sys_siglist clause in the conditional.
12728 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12730 * fold-const.c (operand_equal_p): Use memcmp to compare string
12732 Suggested by D. J. Bernstein
12734 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12736 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12737 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12739 * config/mips/mips.h (TARGET_64BIT): Likewise.
12740 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12741 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12742 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12743 dsps. Give routines proper names if SI/DI modes are not used.
12744 * longlong.h: Use DWunion instead of DIunion.
12746 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12748 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12749 GC_CHECKING, GC_ALWAYS_COLLECT.
12750 * configure.in: Allow --enable-checking with an argument
12751 listing check modes to enable.
12752 * config.in, configure: Rebuilt.
12753 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12754 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12755 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12756 ENABLE_GC_ALWAYS_COLLECT.
12757 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12759 * tree.h, tree.c: Change ENABLE_CHECKING to
12760 ENABLE_TREE_CHECKING throughout.
12762 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12764 * fold-const.c (fold_truthop): Properly check for FP RHS.
12766 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12768 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12769 * toplev.c (note_deferral_of_defined_inline_function): New
12770 function, split out from ...
12771 (rest_of_compilation): ... here. Use it.
12773 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12775 * expr.c (store_constructor): Don't call clear_storage if size is
12778 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12780 * Makefile.in (toplev.o): Depend on loop.h.
12782 * dwarfout.c: Include tm_p.h.
12784 * emit-rtl.c (restore_emit_status): Mark parameter with
12787 * final.c (final_scan_insn): Likewise.
12789 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12790 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12791 flow_depth_first_order_compute, flow_loop_pre_header_find,
12792 flow_loop_tree_node_add, flow_loops_tree_build,
12793 flow_loop_level_compute, flow_loops_level_compute,
12794 flow_loop_outside_edge_p): Add prototypes.
12795 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12797 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12798 Mark with ATTRIBUTE_NORETURN.
12800 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12802 * local-alloc.c (no_conflict_p): Likewise.
12804 * loop.c (insert_bct): Hide definitions of variables with hidden
12806 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12808 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12809 with ATTRIBUTE_UNUSED.
12810 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12811 (reg_scan): Likewise.
12813 * reload.c (find_reloads): Remove unused variables `changed'.
12815 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12817 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12818 Remove unused variable `insn'.
12820 * toplev.c: Include loop.h.
12821 (report_file_and_line): Remove unnecessary prototype.
12823 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12825 * unroll.c (biv_total_increment): Likewise.
12827 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12829 * reload1.c (emit_input_reload_insns): Restore old behaviour
12830 wrt. 'special' reloads.
12832 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12834 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12835 hash.h. (cse.c): Don't depend on hashtab.h.
12837 * cse.c: Don't include hashtab.h.
12838 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12840 * ggc-simple.c: Don't include hash.h.
12842 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12844 * dwarf2out.c (add_abstract_origin_attribute): Call
12845 gen_abstract_function on our function context.
12847 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12849 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12851 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12853 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12856 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12858 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12859 constraints to "a!r".
12861 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12863 * Makefile.in (calls.o): Depend on function.h.
12864 (alias.o): Likewise.
12866 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12868 * reload1.c (emit_reload_insns): Break out code and variables into...
12869 (input_reload_insns, other_input_address_reload_insns,
12870 other_input_reload_insns, input_address_reload_insns,
12871 inpaddr_address_reload_insns, output_reload_insns,
12872 output_address_reload_insns, outaddr_address_reload_insns,
12873 operand_reload_insns, other_operand_reload_insns,
12874 other_output_reload_insns): ... new static variables, and...
12875 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12876 do_output_reload): ... new functions.
12878 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12880 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12882 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12884 * md.texi: Add c4x constraints documentation.
12886 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12888 * config/i386/dgux.c (struct option): Rename to
12889 lang_independent_option.
12890 (struct m_options): Add description field.
12891 (output_options): Rename option type, add sep declaration, output
12892 ix86_cpu_string and ix86_arch_string only if set.
12893 (output_file_start): Rename option type.
12895 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12897 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12899 (libgcc2.a): Similarly.
12901 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12903 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12904 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12905 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12907 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12909 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12910 Remove redundant initialization of "frexpon" and "expon".
12912 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12914 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12916 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12917 (store_constructor_field, expand_expr): Pass new arg.
12919 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12921 * Makefile.in (explow.o): Depend on function.h.
12923 * stor-layout.c (set_sizetype): Fix typo.
12925 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12927 * function.c (cfun): Renamed from current_function. All users
12929 * function.h (cfun): Rename declaration as well.
12931 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12932 to be of type regset_head, not regset. All users changed by adding
12934 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12936 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12938 * config/c4x/rtems.h: New file.
12940 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12942 * reload1.c (spill_failure): Take class of failed reload as argument
12943 and print it. Caller changed.
12945 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12947 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12948 (TARGET_SWITCHES): Allow subtargets to default switches.
12949 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12951 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12953 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12956 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12958 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12959 * cppinit.c (cpp_handle_option): Likewise.
12961 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12962 determine when to define.
12964 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12966 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12967 cmove with mismatched test and data modes.
12969 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12971 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12974 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12976 * alias.c: Minor reformatting.
12977 * flow.c: Likewise.
12978 * regs.h: Likewise.
12979 * stor-layout.c: Likewise.
12980 * fold-const.c: Likewise.
12981 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12982 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12984 (size_int_wide): Cache nodes even if garbage collecting.
12985 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12986 of SAVE_EXPR has no side effects.
12987 * cse.c: Move a comment.
12988 * tree.c: Minor reformatting.
12989 (int_size_in_bytes): Return -1 if constant overflows.
12991 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12993 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12995 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12997 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12998 after any change to c-parse.in, even if objc-parse.y didn't
13001 1999-12-18 David S. Miller <davem@redhat.com>
13003 * toplev.c (rest_of_compilation): Restore BLOCK tree
13004 reconstruction and branch shortening changes lost in
13005 December 18th change.
13007 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
13009 * config/arm/linux-elf.h: Change all instances of
13010 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
13011 * config/arm/uclinux-elf.h: Likewise.
13013 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
13015 * toplev.c (notice, vmessage, v_message_with_file_and_line,
13016 v_message_with_decl, file_and_line_for_asm,
13017 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
13018 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
13019 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
13020 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
13021 pfatal_with_name, fatal_io_error, need_error_newline,
13022 last_error_function, last_error_tick, announce_function,
13023 default_print_error_function, print_error_function,
13024 report_error_function, fnotice, error_with_file_and_line,
13025 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
13026 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
13027 warning_with_decl, warning_for_asm, warning, pedwarn,
13028 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
13030 (compile_file): Use fnotice instead of notice. Adjust call.
13032 * diagnostic.c: New file.
13034 * Makefile.in (OBJS): Include diagnostic.o
13035 (diagnostic.o): Define dependence.
13037 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13039 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
13042 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13044 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
13046 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13048 * fixtests.c (is_cxx_header): New fn, split out of
13050 (else_endif_label): Allow "#endif // comment" in C++ headers,
13051 as determined by is_cxx_header.
13052 * fixfixes.c (else_endif_label_fix): Update comment.
13053 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
13055 * genfixes: Correct double thinko in commandline parsing.
13056 * hackshell.tpl: Generate correct sh syntax for bypass
13059 * inclhack.def (all): Whenever an inserted preprocessor
13060 conditional is split over multiple lines, use double
13061 backslashes in this file so the fixed header will be readable.
13063 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
13064 and add bypass entry for correct version of this header.
13065 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
13066 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
13068 (hpux8_bogus_inlines): New fix, split from...
13069 (ultrix_atof_param) ... here.
13070 (math_expression): Add bypass entry keyed to glibc comment
13071 indicating the problem has been dealt with; disable
13072 unnecessary sed operations; update commentary.
13073 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
13074 add select and bypass entries, simplify shell operation.
13075 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
13077 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
13078 ultrix_atof_param): Add select entry.
13079 (stdio_va_list, sunos_mather_decl): Add bypass entry.
13080 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
13081 comments with the fixes they describe.
13083 * c-parse.in (string action): Do not warn about ANSI string
13084 concatenation in system headers. Affects C parser only.
13085 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
13087 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13089 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
13090 compiling libgcc2 the macro depends always on arch cpp defines.
13092 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
13094 * loop.c (insert_loop_mem): Don't record MEMs from inside
13097 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
13099 * regclass.c (regclass): Do not use flowgraph when not optimizing.
13101 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
13102 notes too, create one when replacement failed, attempt to simplify
13104 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
13105 or REG_EQUIV notes.
13107 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13109 * crtstuff.c (__dso_handle): Declare.
13110 (__cxa_finalize): Likewise.
13111 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
13114 * invoke.texi: Document -fuse-cxa-atexit.
13116 * tree.h (ptr_type_node): Document.
13117 (const_ptr_type_node): Likewise.
13119 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13121 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
13122 (optimize_reg_copy_2): Likewise.
13123 (optimize_reg_copy_3): Likewise.
13124 (fixup_match_2): Likewise.
13125 (regmove_optimize): Likewise.
13126 (fixup_match_1): Liekwise.
13128 * i386.md (HI to SImode promoting splitters): Rewrite.
13129 (pushsf mem peep2): New.
13130 (testhi to andhi peep2): Remove.
13131 * i386.h (x86_promote_QImode): New.
13132 (TARGET_PROMOTE_QImode): New.
13133 (PREDICATE_CODES): Add promotable_binary_operator.
13134 * i386.c (x86_promote_QImode0: New.
13135 (promotable_binary_operator): New.
13136 * i386-protos.h (promotable_binary_operator): New.
13138 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
13140 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
13142 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13144 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
13145 * function.c (insert_block_after_note): Remove.
13146 (retrofit_block): Likewise.
13147 (identify_blocks): Fix indentation.
13148 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
13149 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
13150 * function.h (insert_block_after_note): Remove prototype.
13151 (retrofit_block): Likewise.
13152 * integrate.c (expand_inline_function): Don't call
13153 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
13154 just expand_start_bindings. Use the block_map to remap old
13155 NOTE_BLOCKs to new ones.
13156 (integrate_decl_tree): Keep track of remapped blocks.
13157 * integrate.h (struct inline_remap): Add block_map.
13158 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
13159 NOTE_BLOCK on the notes.
13160 (expand_start_bindings): Rename to ...
13161 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
13162 (expand_end_bindings): Set NOTE_BLOCK.
13163 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
13164 reconstruct the BLOCK tree.
13165 * tree.h (expand_start_bindings): Macroize. Call ...
13166 (expand_start_bindings_and_block): New function.
13168 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13170 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
13171 to match the format.
13173 1999-12-16 David S. Miller <davem@redhat.com>
13175 * expr.c (emit_move_insn_1): Only emit clobbers if one of
13176 the outputs is a SUBREG.
13177 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
13180 * config/sparc/sparc.c (epilogue_renumber): Add default case
13183 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13185 * toplev.c (rest_of_compilation): Run branch shortening after
13188 * regclass.c (loop_depth): Remove
13189 (scan_one_insn): Do not handle LOOP_NOTE insns.
13190 (regclass): Go through basic blocks and set loop_cost
13192 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13194 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13196 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13198 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13199 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13200 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13202 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13204 * loop.c (insert_loop_mem): Ignore memory clobbers.
13206 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13209 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13211 * profile.c: Remove redundant #include "output.h".
13213 * h8300.md (HImode preinc peephole): Fix typo.
13215 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13217 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13218 (insert_block_after_note): Abort if we don't have a previous block.
13219 Remove FN parameter.
13220 * function.h: Adjust.
13222 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13224 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13225 argument more than once.
13227 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13229 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13231 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13233 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13235 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13237 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13238 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13239 update stack_alignment_needed.
13240 (prepare_function_start): Initialize stack_alignment_needed
13241 * function.h (struct function): Add field stack_alignment_needed.
13243 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13245 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13246 Handle live_throughout / dead_or_set instead of live_before /
13248 (save_call_clobbered_regs): Get register livenessinformation from
13249 chain->live_throughout.
13250 (add_stored_regs): New function.
13251 (insert_restore, insert_save): Add restored / saved registers to
13253 * global.c (reg_dies): New parameter chain.
13254 (reg_becomes_live): Third parameter is regs_set now.
13255 Changed all callers.
13256 (reg_dies): New parameter chain. Changed all callers.
13257 (build_insn_chain): Set live_throughout instead of
13258 live_before / live_after.
13259 * reload.h (struct insn_chain): Replace members live_before /
13260 live_after with live_throughout / dead_or_set.
13261 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13262 instead of live_before / live_after.
13263 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13264 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13265 (choose_reload_regs_init): Likewise.
13266 * stupid.c (current_chain, find_clobbered_regs): Delete.
13267 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13268 instead of chain->live_before / chain->live_after.
13269 (mark_hard_ref): New function.
13270 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13272 1999-12-15 David S. Miller <davem@redhat.com>
13274 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13276 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13278 * flow.c (calculate_loop_depth): Make global, remove prototype,
13279 rewrite to use new loop infrastructure.
13280 (find_basic_block): Remove calculate_loop_depth call.
13281 * toplev.c (rest_of_compilation): Call find_basic_block.
13282 * output.h (calculate_loop_depth): Declare.
13284 * flow.c (dump_flow_info): Dump loop_depth.
13285 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13287 (flow_loops_find): Initialize the loop_depth for each basic block.
13289 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13291 * tree.c (decl_function_context): Handle virtual functions.
13293 * tlink.c (scan_linker_output): Don't look in demangled name when
13294 looking for linker output keywords.
13296 * dwarfout.c (output_type): We can defer namespace-scope classes.
13298 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13300 * regclass.c (record_reg_classes): Update comment for merging
13301 register class preferences in reg->reg copies. Tighten conditions
13302 for merging register class preferences in reg->reg copies.
13304 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13306 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13308 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13310 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13311 (INIT_SECTION_ASM_OP): Delete.
13312 (FINI_SECTION_ASM_OP): Delete.
13313 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13315 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13317 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13318 the abstract origin wasn't emitted.
13320 * dwarf2out.c (class_scope_p): New fn.
13321 (gen_subprogram_die): Use it.
13322 (gen_variable_die): Use it. Tweak logic.
13323 (gen_struct_or_union_type_die): Check context_die to determine
13324 if we're function-local.
13325 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13327 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13329 * loop.c (check_dbra_loop): Can't reverse a biv that has
13330 maybe_multiple set.
13332 1999-12-14 Nick Clifton <nickc@cygnus.com>
13334 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13337 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13339 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13340 for givs made from biv increments.
13342 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13344 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13345 * alpha.c (override_options): Recognize -mcpu=ev67.
13346 * alpha.h (CPP_CPU_EV67_SPEC): New.
13347 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13348 (EXTRA_SPECS): Update.
13350 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13352 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13353 appropriate for -lang-c89 and -std=*.
13354 * cppinit.c (cpp_handle_option): Likewise.
13355 (new_pending_define): New, split out from cpp_handle_option.
13356 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13357 or enable trigraphs for -ansi/-std=*.
13359 * ginclude/stdarg.h (__va_copy): New.
13360 (va_copy): Don't define for C89.
13362 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13364 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13365 for long long multiply-accumulate.
13367 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13369 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13370 optimizing for size.
13372 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13374 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13375 if something changed. Back out that part of yesterday's changes.
13377 * loop.c (loop_max_reg): New static variable.
13378 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13380 (scan_loop): Call reg_scan_update whenever we may have added new
13381 registers, and update loop_max_reg.
13383 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13385 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13386 when source does not die.
13388 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13390 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13392 * config/sparc/linux64.h (TARGET_LIVE_G0,
13393 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13395 * config/sparc/linux.h (TARGET_LIVE_G0,
13396 TARGET_BROKEN_SAVERESTORE): Likewise.
13397 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13398 TARGET_BROKEN_SAVERESTORE): Likewise.
13400 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13401 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13403 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13404 as sparc64 block profiling register.
13405 * config/sparc/sparc.c (sparc_override_options): Allow block
13406 profiling with -m32.
13407 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13408 profiling register.
13409 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13410 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13411 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13413 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13415 * config/sparc/sparc.h: Likewise.
13416 * config/sparc/xm-sysv4-64.h: Likewise.
13417 * config/float-sparc.h: Likewise.
13418 * glimits.h: Likewise.
13419 * longlong.h: Likewise.
13421 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13422 (ASM_IDENTIFY_GCC): Remove.
13424 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13426 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13427 (simplify_logical): Likewise.
13429 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13431 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13432 * cppfiles.c (INO_T_EQ): Likewise.
13434 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13436 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13437 * i386/mingw32.h (LIB_SPEC): Likewise.
13438 (STARTFILE_SPEC): Likewise.
13439 * i386/uwin.h (LIB_SPEC): Likewise.
13440 (STARTFILE_SPEC): Likewise.
13442 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13443 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13445 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13447 * combine.c (combine_simplify_rtx): Fix order of checks for
13448 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13450 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13452 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13453 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13455 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13457 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13459 * regclass.c (inv_reg_alloc_order): New array.
13460 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13462 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13463 counted_for_groups, counted_for_nongroups. Add fields rld and
13465 * reload.c (push_secondary_reload): Don't set nongroup field of
13467 (push_reload): Likewise.
13468 (find_reloads): Delete code to compute nongroup fields.
13469 * reload1.c (reload_insn_firstobj): New static variable.
13470 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13472 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13473 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13474 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13476 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13478 (struct hard_reg_n_uses): Deleted.
13479 (potential_reload_regs): Deleted.
13480 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13481 (reload): Don't try to allocate reload registers if we already know
13482 we have to make another pass. Call select_reload_regs. Free memory
13483 starting with reload_firstobj when starting another pass.
13484 Don't allocate spilled_pseudos.
13485 (calculate_needs_all_insns): Call copy_reloads for an insn that
13486 needs reloads; don't call calculate_needs.
13487 (spill_cost): New static array.
13488 (used_spill_regs_local): New static variable.
13489 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13490 to compute potential_reload_regs.
13491 (find_reload_regs): Completely rewritten to use find_reg.
13492 (allocate_reload_reg): Don't test counted_for_groups or
13493 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13494 all cllers changed.
13495 (choose_reload_regs): Add fallback code that uses the existing
13496 register allocation from find_reload_regs.
13498 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13500 * flow.c (create_edge_list): Cast xmalloc return value.
13502 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13504 * doprnt.c: Remove incorrect comment closure.
13506 * cse.c: Fix a few minor whitespace goofs.
13508 1999-12-13 Don Bowman <don@pixstream.com>
13510 * mips/vxworks.h: Fix problem with comment termination.
13511 (EXTRA_SECTIONS): Add in_sbss.
13512 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13514 1999-12-12 David S. Miller <davem@redhat.com>
13516 * cse.c (struct cse_reg_info): Add hash_next member,
13517 reorder rest of struct for better packing on 64-bit
13519 (cse_reg_info_tree): Kill.
13520 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13521 REGHASH_FN): New custom pow2 hash mechanism.
13523 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13524 use a pow2 hash table.
13525 (get_cse_reg_info): Rework to use new REGHASH.
13526 (new_basic_block): Likewise, use HASH_SIZE, and inline
13528 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13529 and inline free_element call.
13530 (lookup_as_function, insert, flush_hash_table, invalidate,
13531 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13532 invalidate_for_call, use_related_value, find_comparison_args,
13533 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13534 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13535 get_element): Kill.
13537 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13539 * cse.c (cse_basic_block): Free qty_table consistently.
13541 1999-12-12 David S. Miller <davem@redhat.com>
13542 Jakub Jelinek <jakub@redhat.com>
13544 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13545 SUBREGs by hand, gen the appropriate hard reg directly.
13546 (movtf reg/mem split): Likewise and alter_subreg on destination
13548 (movtf mem/reg split): Similarly.
13549 (movdf_cc_sp64): Rename from hidden pattern.
13550 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13551 (movtf_cc_sp64, following split): New pattern and splitter.
13552 (movdf_cc_reg_sp64): Rename from hidden pattern.
13553 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13555 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13557 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13559 * loop.c (load_mems): Don't hoist written floating point mem
13562 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13564 * except.h (struct eh_queue): Add `next' pointer.
13565 (struct eh_status): Make x_ehqueue a pointer.
13566 (push_ehqueue): Declare.
13567 (pop_ehqueue): Likewise.
13568 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13570 (expand_fixup_region_end): Likewise.
13571 (expand_leftover_cleanups): Likewise.
13572 (push_ehqueue): Define.
13573 (pop_ehqueue): Likewise.
13574 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13575 than doing it inline.
13576 (expand_start_all_catch): Adjust now that ehqueue is a
13578 (mark_eh_queue): Mark all level of the queue.
13579 (mark_eh_status): Adjust now that ehqueue is a
13581 (init_eh_for_function): Allocate ehqueue.
13582 (free_eh_status): Free it.
13583 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13584 expansion for a fixup.
13586 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13588 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13590 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13591 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13592 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13593 function_ptr, getpagesize, __enable_execute_stack,
13594 __enable_execute_stack, __clear_insn_cache,
13595 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13596 _cleanup, _exit, __default_terminate, __terminate_func,
13597 __terminate, __empty, __throw, new_eh_context,
13598 eh_context_initialize, eh_context_static, eh_context_specific,
13599 get_eh_context, __get_eh_context, __get_eh_info,
13600 init_reg_size_table, eh_threads_initialize,
13601 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13602 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13603 __pure_virtual): Add prototype arguments.
13604 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13605 Cast a signed value to unsigned long when comparing against one.
13606 (new_eh_context): Wrap in _GTHREADS macro.
13607 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13609 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13610 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13612 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13614 * combine.c (record_promoted_value): Remove unused variable
13617 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13619 * global.c (record_conflicts): Likewise for `j'.
13621 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13624 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13626 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13627 output_fp_compare): Constify a char*.
13629 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13631 (override_options, ix86_comp_type_attributes, print_operand,
13632 output_387_binary_op, output_fix_trunc, output_fp_compare):
13634 (ix86_sched_reorder): Mark parameter `clock_var' with
13637 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13639 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13641 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13642 operand, for use in the Java front-end.
13644 1999-12-10 Ben Collins <bcollins@debian.org>
13646 * configure.in: Fix typo for "-64" in 64bit as check.
13647 * configure: Rebuilt.
13649 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13651 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13654 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13656 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13657 concatenation is utilized.
13659 * invoke.texi (-Wtraditional): Document it.
13661 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13663 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13664 Cast a ptrdiff_t to long and pass it to printf with %ld.
13666 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13668 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13669 68881, we have no 68881 registers at all.
13670 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13671 value in a 68881 register if it is available.
13673 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13675 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13676 for long long multiply-accumulate.
13678 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13680 * loop.c (insert_loop_mem): Undo last change.
13682 1999-12-10 David S. Miller <davem@redhat.com>
13684 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13686 * config/sparc/sparc-protos.h: Add them.
13687 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13688 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13689 constraints which use those helpers.
13690 (EXTRA_CONSTRAINT): Use this new macro.
13691 * md.texi: Update sparc target constraints documentation.
13692 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13693 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13694 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13695 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13696 (movsf high/lo_sum split): Rework for new patterns.
13697 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13699 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13701 * c-common.c (c_common_nodes_and_builtins):
13702 Create __builtin_ptrdiff_t and __builtin_size_t.
13704 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13706 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13708 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13710 * regclass.c (globalize_reg): Re-instate test that allows
13711 fixed registers to be declared as a variable even after functions
13714 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13716 * i386.md (cpu attribute): Add "athlon".
13717 (athlon_decode): New attribute.
13718 (Athlon scheduling units definitions): New.
13719 (fcmp and shld patterns): Set athlon_decode to "vector".
13720 * i386.c (athlon_cost): New.
13722 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13723 x86_use_sahf): Set for Athlon.
13724 (x86_use_fiop): Unset for Athlon.
13725 (override_options): Define Athlon alignments and "athlon" name.
13726 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13727 * i386.h (TARGET_ATHLON): New.
13728 (enum processor_type): Add PROCESSOR_ATHLON.
13729 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13731 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13733 1999-12-09 Andreas Jaeger <aj@suse.de>
13735 * loop.c (record_biv): Declare parameter as int.
13737 * config/i386/i386-protos.h: Declare long_memory_operand.
13739 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13741 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13742 EXPR_WITH_FILE_LOCATION.
13744 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13746 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13749 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13751 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13754 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13756 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13757 default on linux64 again.
13758 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13759 models for multilibing.
13760 * genmultilib: Accept | as alternative separator within a set in
13763 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13765 * calls.c (precompute_arguments): Make sure initial_value contains
13766 value pseudo which CSE expects.
13767 * cse.c (struct set): New entry orig_src.
13768 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13771 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13773 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13775 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13777 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13779 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13781 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13782 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13784 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13787 * longlong.h: Merge in changes from glibc.
13788 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13789 -mno-app-regs libgcc can be compiled.
13790 * libgcc2.c: Add defines so that the updated longlong.h
13791 can be used in libgcc2.a. Also, make sure on most architectures
13792 (at least on all which have optimized code in longlong.h defined
13793 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13795 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13797 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13798 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13799 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13801 * configure: Rebuilt.
13803 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13805 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13806 outputs require a register.
13808 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13810 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13811 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13812 functions like dptoul will be resolved.
13813 (libgcc2.a): Make sure that the object files from DPBIT are named
13814 differently (prefix `_dp') from those that would be coming from
13817 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13819 * configure.in: When target is sparc* and tm_file contains 64,
13820 test for 64bit support in assembler. If not supported, remove
13821 sparc/t-sol2-64 from target-dependent Makefile fragments.
13822 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13823 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13824 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13825 * acconfig.h (AS_SPARC64_FLAG): Added.
13826 * configure, config.in: Rebuilt.
13827 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13828 support. Use AS_SPARC64_FLAG.
13830 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13832 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13833 suitable for holding OFmode values so that gcc works with complex
13835 (hard_64bit_mode_classes): Likewise.
13837 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13838 so that it is actually matched.
13839 (sethi_di_medlow): Likewise.
13841 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13842 as legitimate constant if -mvis.
13843 * config/sparc/sparc.md (movtf): Likewise.
13844 (clear_sf): Use const_double_operand.
13845 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13847 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13848 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13849 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13850 routines, _Qp_* cannot be handled like that now.
13851 (INIT_TARGET_OPTABS): Likewise.
13852 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13853 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13854 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13855 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13856 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13857 divtf3, sqrttf3): New expanders.
13858 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13859 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13860 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13863 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13864 * configure: Rebuilt.
13865 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13866 -mcpu is given and we're doing 64bit compiles.
13868 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13870 * loop.h (struct induction): Add multi_insn_incr.
13871 * loop.c (basic_induction_var): New multi_insn_incr argument.
13872 Set it if we search back through previous insns for the biv.
13873 (record_biv): New multi_insn_incr argument; fill in struct induction.
13874 (strength_reduce): Discard an iv with multiple bivs, any of
13875 which require multiple insns to increment.
13877 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13879 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13882 1999-12-06 David S. Miller <davem@redhat.com>
13884 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13885 PROMOTE_FUNCTION_RETURN.
13887 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13889 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13890 and handle REG_UNUSED note on insn.
13892 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13893 inner_mask instead of mask.
13895 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13897 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13898 zero if there was an error.
13900 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13902 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13905 * longlong.h: Fix clobbers in SPARC asm statements.
13907 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13908 valid sethi operations when TARGET_ARCH64.
13910 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13911 always use move_by_pieces to avoid infinite recursion.
13912 (restore_fixed_argument_area): Likewise.
13914 * combine.c (check_promoted_subreg, record_promoted_value): New
13916 (combine_instructions): Use them to retain nonzero and sign bit
13917 information after SUBREGs are eliminated by optimizations in
13918 this pass if PROMOTE_FUNCTION_RETURN.
13920 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13921 .register declaration. Don't use variables with __ prefixes.
13923 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13925 * fold-const.c (optimize_bit_field_compare): Only use one mode
13926 for both RHS and LHS in non-constant case.
13928 1999-12-06 Nathan Sidwell <nathan@acm.org>
13930 * frame.c (start_fde_sort): Only allocate erratic array, if
13931 linear one was allocated. Return allocated flag.
13932 (fde_insert): Only insert, if there's a valid array.
13933 (fde_end_sort): Split, sort and merge if linear and erratic
13934 arrays exist, else just sort linear one.
13935 (search_fdes): New function. Linear search through original fde
13937 (frame_init): Permit multiple initializations. Cope with
13939 (find_fde): Fallback on linear search, if failed to sort array.
13940 (__deregister_frame_info): Only free sorted array, if we
13943 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13945 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13947 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13949 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13951 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13953 * tree.h (special_function_p): Declare.
13954 * calls.c (special_function_p): Make it global. Don't take `name'
13955 as a parameter. Fix typo in 1999-11-28 change.
13956 (expand_cal): Adjust.
13958 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13960 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13961 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13962 EXPR_WFL_FILENAME_NODE.
13963 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13965 * print-tree.c (print_note): Print TREE_PRIVATE and
13968 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13969 the original die cannot be found.
13971 * varray.h (varray_head_tag): Add elements_used.
13972 (VARRAY_PUSH): New macro.
13973 (VARRAY_POP): Likewise.
13974 (VARRAY_TOP): Likewise.
13975 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13977 * varray.c (varray_init): Initialize elements_used.
13978 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13979 (INTEGRATE_H): New variable.
13980 (integrate.o): Depend on INTEGRATE_H.
13981 (unroll.o): Likewise.
13983 * function.h (insert_block_after_note): Declare.
13984 * function.c (insert_block_after_note): Split out from ...
13985 (retrofit_block): ... here.
13987 * stmt.c (expand_fixup): Fix typo in comment.
13989 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13991 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13992 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13993 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13994 (regmove_optimize, fixup_match_1): Likewise.
13996 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13998 * flow.c (flow_loops_dump): Add missing argument when calling
13999 flow_loop_nested_p.
14001 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
14002 Greg McGary <gkm@gnu.org>
14004 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
14005 (init_attributes): Add A_NO_LIMIT_STACK.
14006 (decl_attributes): Handle A_NO_LIMIT_STACK.
14007 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
14008 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14009 Handle stack bounds checking.
14010 * flags.h (flag_stack_check): Use the word 'probe' rather than
14011 'check', because the flag doesn't actually cause any checking to
14013 * function.c (expand_function_start): Set
14014 current_function_limit_stack.
14015 * function.h (struct function): Add limit_stack.
14016 (current_function_limit_stack): Define.
14017 * invoke.texi (Code Gen Options): Document new options.
14018 * rtl.h: Declare stack_limit_rtx.
14019 * toplev.c (stack_limit_rtx): New variable.
14020 (decode_f_option): Handle new options -fstack-limit-register=REG,
14021 -fstack-limit-symbol=IDENT, -fno-stack-limit.
14022 (main): Add stack_limit_rtx as GC root.
14023 * tree.h (DECL_NO_LIMIT_STACK): New macro.
14024 (struct tree_decl): New member no_limit_stack.
14026 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
14028 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
14029 (conditional_trap+1): Get new mnemonic correct.
14030 (conditional_trap+2): New pattern for DImode traps.
14032 * config/m68k/m68k.c (output_function_prologue): Handle
14034 * config/m68k/m68k.md (trap): New insn.
14035 (conditional_trap): New insn.
14036 * md.texi (Standard Names): Document `trap' and
14037 `conditional_trap'.
14038 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
14039 so a cc0 setter doesn't get emitted at some random place in the
14042 * config/i960/i960.md (trap): New insn.
14043 (conditional_trap): New expander.
14044 (conditional_trap+1, conditional_trap+2): New insns for signed
14045 and unsigned cases.
14046 * config/i960/i960.c (i960_function_prologue): Use
14047 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
14049 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
14050 Geoffrey Keating <geoffk@cygnus.com>
14052 * flags.h (warn_padded, warn_packed): Add global var decls.
14053 * toplev.c (warn_padded, warn_packed): Add global var defns.
14054 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
14055 * stor-layout.c (layout_record): Add local variable `type'
14056 to hold often-used TREE_TYPE (field). Add local variable
14057 `unpacked_align' to hold alignment that would be in force
14058 if no `packed' attribute were present. Warn if `packed' attribute
14059 is unnecessary, or even harmful. Warn when gcc inserts padding
14060 to satisfy alignment requirements of members. Use NULL_TREE
14061 when checking whether var_size is set.
14062 * invoke.texi: Document new flags.
14064 1999-12-03 Nathan Sidwell <nathan@acm.org>
14066 * frame.c (fde_split): Reimplement to avoid variable sized array.
14068 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14070 * combine.c (try_combine): Before fixing up LOG_LINKS for the
14071 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
14073 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
14075 * invoke.texi: Document the mips option -mno-crt0
14077 1999-12-02 Mike Karr <mkarr@mathworks.com>
14079 * cccp.c (argdata): Added free_ptr member.
14080 (macroexpand): Initialize free_ptr of each argument. When an
14081 argument's buffers are freed, if the argument's free_ptr corresponds
14082 to a buffer on the input stack, then return the free_ptr to that stack
14083 frame, otherwise, free it.
14084 (macarg): If an argument begins and ends on the same input stack level,
14085 then transfer the free_ptr of that buffer to the argument in case
14086 the stack is popped during the processing of a subsequent argument.
14088 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
14090 * loop.c (note_reg_stored): New function.
14091 (struct note_reg_stored_arg): New structure.
14092 (try_copy_prop): Change to be more conservative; only replace within
14093 one extended basic block and stop replacing if a store to the
14094 replacement reg is seen.
14096 1999-12-02 Nick Clifton <nickc@cygnus.com>
14098 * config/fp-bit.c: Initialise all fields of the NAN
14101 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
14104 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14106 * i386.md (extend?f?f2): Force the input into a register, not
14109 1999-12-01 Jakub Jelinek <jakub@redhat.com>
14111 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
14113 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
14114 alternative because setting up 64bit constant is usually costly,
14115 especially when reload is in progress or completed.
14116 (movdf_const_intreg_sp64): Likewise.
14117 (movdf_const_intreg split): Fix building up constants when
14118 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
14120 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
14122 * combine.c (if_then_else_cond): Use const_true_rtx instead of
14123 const1_rtx for return values in EQ/NE comparison against (const_int 0)
14126 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
14127 (asm_file_start): Emit .am33 into assembly file when compiling for
14129 (print_operand_address): Handle POST_INC addresses.
14130 (can_use_return_insn, initial_offset): Check AM33 registers too.
14131 (expand_prologue): Check & save AM33 registers too.
14132 (expand_epilogue): Similarly.
14133 (secondary_reload_class): Handle AM33 specific secondary reloads.
14134 (output_tst): Emit efficient code for the AM33 too.
14135 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
14136 (TARGET_SWITCHES): Add -mam33 switch.
14137 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
14138 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
14139 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
14140 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
14141 (enum reg_class, REG_CLASS_NAMES): Likewise.
14142 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
14143 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
14144 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
14145 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
14146 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
14147 (HAVE_POST_INCREMENT): Define.
14148 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
14149 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
14150 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
14151 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
14152 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
14153 (zero_extend to SI from QI/HI): Likewise.
14154 (sign_extend to SI from QI/HI): Likewise.
14155 (mulsidi3, umulsidi3): New patterns for the AM33.
14156 (tstsi with zero extension from QI/HI): Add AM33 variants.
14157 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
14158 (return_internal_regs, store_movm): Handle new AM33 registers.
14159 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
14160 (LIBGCC, INSTALL_LIBGCC): Likewise.
14161 * invoke.texi: Document new flags.
14163 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14165 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
14166 (addsi3_carry): Likewise.
14167 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
14168 (sbbsi3_carry): Likewise.
14169 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
14170 (mulhi3): Likewise.
14171 (test?i_1): Ensure that only one operand is memory.
14172 (conditional move patterns): likewise.
14173 (shift and rotate patterns): Rewrite to expander, add
14174 "binary_operator_ok" to the condition.
14176 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
14177 * i386.h (procesor_costs): Add movzbl_load field.
14178 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
14179 non-Q registers, accept DImode registers anywhere.
14181 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
14182 * i386.c (*_cost): Set value for movxbl_load field.
14184 * (addsi): New add to lea splitter.
14185 (ashlsi): Likewise.
14186 (lea to add/shift peep2): New.
14188 1999-12-01 Mark Salter <msalter@cygnus.com>
14190 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14191 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14192 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14194 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14196 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14197 * i386.md (movsi_xor): New.
14199 (movsi_1, movhi_1, movqi_1): Remove.
14200 (movsi_2): Rename to movsi_1.
14201 (movhi_2): Rename to movhi_1.
14202 (movqi_2): Rename to movqi_1.
14203 (movdi_1): Remove; remove splitter.
14204 (movdi_2): Rename to movdi_1.
14205 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14206 (long move peep2): Do not create QI or HI mode mov0s
14207 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14209 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14212 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14213 (abs?f2_if): Likewise.
14215 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14217 * ggc.h (ggc_test_and_set_mark): New macro.
14218 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14219 (ggc_mark_tree): Likewise.
14220 (ggc_mark_rtvec): Likewise.
14221 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14223 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14225 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14227 (decl_scope_table): Just an array of trees now.
14228 (push_decl_scope): Simplify.
14229 (dwarf2out_init): Adjust.
14230 (local_scope_p): New fn.
14231 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14232 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14233 (gen_typedef_die): Likewise.
14234 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14235 (gen_inlined_subroutine_die): Likewise.
14236 (gen_abstract_function): Set current_function_decl temporarily.
14237 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14238 Handle block extern declarations. Don't call push/pop_decl_scope.
14239 (gen_decl_die): Fix logic for block externs.
14241 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14243 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14244 to the list of functions which have attribute malloc by default.
14246 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14248 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14249 integer constant does not match the traditional type, limit the
14250 warnings to cases where the base of the type is ten.
14252 * invoke.texi (-Wtraditional): Document it.
14254 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14256 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14257 * rs6000.md: Only access a CONST_INT with INTVAL
14259 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14261 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14262 (compute_nearerout): Likewise.
14263 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14264 size_t to unsigned long for formatting.
14266 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14268 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14269 Allow the user to override call-used/fixed state of %g2-5
14270 registers from the command line (with the exception of %g4 for
14272 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14273 there is a higher chance of having a leaf function.
14274 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14275 for ARCH64 which has %ccr register.
14276 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14278 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14279 insn accept into delay slot any insn which does not use %[ol]
14280 registers. Accept some LO_SUM and shift left by 1 for the normal
14282 (output_function_epilogue): Likewise.
14283 (epilogue_renumber): Added argument which inhibits any renumbering
14284 and just tests if the rtx does not use any %[ol] registers.
14285 (output_return): Reflect above change.
14287 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14289 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14290 aggregate passing for sizes <= 16 bytes.
14292 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14294 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14295 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14296 * reload.c (find_dummy_reload): Likewise.
14297 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14298 * reload1.c (reload_as_needed): Likewise.
14299 * stupid.c (stupid_find_reg): Likewise.
14300 * tm.texi (Obsolete Register Macros): Delete section.
14301 * gmicro.h: Remove all traces of the two macros.
14302 * i386.h: Likewise.
14303 * m88k.h: Likewise.
14304 * mips.h: Likewise.
14306 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14308 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14309 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14310 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14311 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14312 units for the sparclite86x chip.
14313 (flush): Revert October 14th change; add SImode specifically.
14314 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14315 * invoke.texi: Document it.
14317 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14319 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14320 psimode_truncation_operand.
14322 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14323 function. Return true if the operand is either a MEM valid
14324 for a PSImode address or not a MEM at all.
14326 * config/mn10200/mn10200.md (truncsipsi2): Use
14327 psimode_truncation_operand.
14329 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14331 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14332 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14333 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14334 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14335 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14336 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14337 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14338 * basic-block.h: Protect from multiple inclusion.
14339 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14340 (struct loops, struct loop): Define structures.
14341 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14342 * sbitmap.h: Protect from multiple inclusion.
14343 (sbitmap_a_subset_b_p): Add prototype.
14344 * Makefile.in (LOOP_H): New macro.
14345 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14347 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14349 * cppinit.c (CAT): The argument list of this macro may not contain
14352 1999-11-29 David S. Miller <davem@redhat.com>
14354 Move quantity tables and register equivalence chains into
14355 per-qty and per-register structure arrays respectively.
14356 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14357 qty_const_insn, qty_comparison_code, qty_comparison_const,
14358 qty_comparison_qty): Delete, replace with...
14359 (qty_table): this structure table.
14360 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14361 (reg_eqv_table): this structure table.
14362 (make_new_qty): Add argument MODE. Caller updated.
14363 Update to use qty_table and reg_eqv_table.
14364 (make_regs_eqv, delete_reg_equiv, insert_regs,
14365 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14366 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14367 cse_process_notes, cse_main, cse_basic_block): Likewise.
14369 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14371 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14372 operation if C is negative.
14373 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14374 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14375 law for some divisions if constant is negative and change other
14376 divisions to the opposite rounding.
14378 * expr.c (store_constructor_field): If bit position is not multiple
14379 of alignment of TARGET's mode, use BLKmode.
14381 * expr.c (expand_expr_unaligned): Add more code from full case
14382 that is needed when OP0 is in a register.
14384 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14386 * dwarfout.c (field_byte_offset): Size can be zero if there was
14389 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14391 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14392 (associate_trees): Delete unused var TEM.
14393 (extract_muldiv): Delete unused var CANCEL_P.
14395 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14396 (target_isinf, target_isnan, target_negative): Add return types to
14397 function definitions.
14399 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14401 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14402 * fixinc/hackshell.tpl: ditto
14403 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14404 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14406 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14408 * reload.c (push_reload): When looking for a register to put into
14409 reg_rtx, make sure all hard regs in a multi-reg register are in the
14410 right class and nonfixed.
14412 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14413 pending_read_insns, pending_write_insns, pending_read_mems,
14414 pending_write_mems, pending_list_length, last_pending_memory_flush,
14415 last_function_call, sched_before_next_call): Move static variables
14417 (bb_ prefixed versions): Replace with single array bb_deps.
14418 (struct deps): New structure.
14419 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14420 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14421 argument of type "struct deps *"; use that instead of global
14422 variables. All callers changed.
14423 (init_rgn_data_dependencies): Delete function.
14424 (init_rtx_vector): Delete function.
14425 (init_deps): New function.
14427 (free_pending_lists): Simplify, we always use the bb_deps array even
14428 if only one basic block.
14429 (compute_block_backward_dependences): Likewise.
14430 (schedule_region): Likewise.
14432 (propagate_deps): New function, broken out of
14433 compute_block_backward_dependences.
14434 (compute_block_backward_dependences): Use it.
14436 * alpha.md: Delete useless patterns that tried to work around
14437 register elimination problems.
14439 * unroll.c (loop_iterations): Don't abort if iteration variable
14442 From Joern Rennecke:
14443 * reload1.c (reloads_conflict): Reverse test comparing operand
14444 numbers when testing for conflict between output/outaddr reloads.
14446 1999-11-29 David S. Miller <davem@redhat.com>
14448 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14450 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14452 1999-11-28 Robert Lipe <robertl@cygnus.com>
14454 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14455 table from .fini into .dtor.
14457 1999-11-28 Anthony Green <green@cygnus.com>
14459 * tree.h (struct tree_decl): Add malloc_flag.
14460 (DECL_IS_MALLOC): Define.
14461 * c-common.c (attrs): Add A_MALLOC attribute.
14462 (init_attributes): Add this attribute to the table.
14463 (decl_attributes): Handle malloc attribute.
14464 * calls.c (special_function_p): Check for the malloc attribute.
14465 * extend.texi (Function Attributes): Document malloc attribute.
14467 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14469 * pa.md (reload shift-add patterns): Remove.
14471 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14473 * reorg.c (dbr_schedule) Print more statistics. Corrected
14474 problem when printing info when 3 delay slots are filled.
14476 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14478 * combine.c (setup_incoming_promotions): Pass an outgoing
14479 regno to FUNCTION_ARG_REGNO_P which it expects.
14481 1999-11-28 Andreas Jaeger <aj@suse.de>
14483 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14485 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14487 * cccp.c (do_include): Avoid initialization of automatic variable.
14489 * integrate.c (mark_stores): Function definition made void, to match
14490 previous declaration.
14491 * regclass.c (dump_regclass): Ditto.
14492 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14494 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14496 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14497 known to be multiple of divisor.
14499 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14501 * combine.c (try_combine): Add code to try to merge a set of a
14502 two-word pseudo to a constant with a setting of one of those words
14505 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14506 (split_tree): Completely rework to make more general.
14507 (make_range, fold): Call negate_expr.
14508 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14509 (fold, associate): Call new split_tree and associate_trees.
14510 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14512 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14514 * loop.c (try_copy_prop): Avoid GNU C extension.
14516 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14518 * except.c (init_eh_for_function): Still zero eh_return_context,
14519 eh_return_stack_adjust, and eh_return_handler.
14521 * except.h (eh_status): Adjust documentation for x_protect_list.
14522 (begin_protect_partials): New function.
14523 * except.c (enqueue_eh_entry): Fix formatting.
14524 (get_first_handler): Add consistency check.
14525 (add_partial_entry): Adjust usage of protect_list.
14526 (emit_cleanup_handler): Save and restore ehqueue.
14527 (expand_start_all_catch): Add comment.
14528 (begin_protect_partials): New function.
14529 (end_protect_partials): Adjust usage of protect_list.
14530 (init_eh_for_function): Use xcalloc.
14532 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14534 * c-common.c (check_format_info): Don't call a variadic function
14535 with a non-literal format string.
14537 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14539 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14540 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14543 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14546 * collect2.c (collect_wait): Likewise.
14548 * dbxout.c (dbxout_type): Likewise.
14550 * gcc.c (do_spec_1): Likewise.
14552 * genemit.c (gen_insn, gen_expand): Likewise.
14554 * genrecog.c (write_switch, write_subroutine): Likewise.
14556 * mips-tfile.c (catch_signal, botch): Likewise.
14558 * print-rtl.c (print_rtx): Likewise.
14560 * toplev.c (default_print_error_function, report_error_function,
14561 _fatal_insn): Likewise.
14563 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14565 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14567 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14569 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14570 operations when needed.
14571 * i386.md (fop_?f_comm): New.
14572 (fop_?f_1): Do not accept commutative operands.
14574 1999-11-25 Andreas Jaeger <aj@suse.de>
14576 * config/mips/mips.md (casesi_internal): Add missing brace.
14578 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14580 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14581 (splice_child_die): Handle moving a child DIE from the declaration
14582 DIE of a class to its specification.
14583 (gen_struct_or_union_type_die): Use 'complete' consistently.
14584 (gen_decl_die): Generate the virtual context DIE first.
14585 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14587 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14589 * config/mips/mips.md (call_value_multiple_interanal1): New.
14591 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14593 * dwarf2out.c (free_AT, free_die): New fns.
14594 (remove_children): Call them.
14595 (output_line_info): Disable removal of duplicate notes.
14597 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14598 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14599 means pretend the type isn't defined.
14600 Don't defer emitting types.
14601 (gen_type_die_for_member): New fn.
14602 (gen_decl_die): Call it.
14603 (splice_child_die): New fn.
14604 (gen_member_die): Call it rather than generate duplicate dies.
14606 Defer emitting information for the abstract instance of an inline
14607 until we either inline it or emit an out-of-line copy.
14608 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14609 from output_inline_function if DECL_ABSTRACT is also set.
14610 (block_ultimate_origin): Likewise.
14611 (gen_abstract_function): New fn.
14612 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14613 (gen_subprogram_die): An abstract instance is not a declaration
14614 just because it doesn't match current_function_decl. Don't abort
14615 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14616 has an abstract origin.
14617 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14618 abstract instance here.
14620 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14622 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14623 where we need to reload fpul from a system register.
14625 1999-11-24 Andreas Jaeger <aj@suse.de>
14627 * config/mips/linux.h (CPP_PREDEFINES): Added.
14628 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14630 1999-11-24 Andreas Jaeger <aj@suse.de>
14632 * config/mips/linux.h (TARGET_VERSION): Added.
14633 (HANDLE_SYSV_PRAGMA): Added.
14634 (DEFAULT_VTABLE_THUNKS): Added.
14636 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14638 * local-alloc.c (qty): New structure and static variable.
14639 (qty_phys_reg): Remove, all references changed to qty.
14640 (qty_n_refs): Likewise.
14641 (qty_min_class): Likewise.
14642 (qty_birth): Likewise.
14643 (qty_death): Likewise.
14644 (qty_size): Likewise.
14645 (qty_mode): Likewise.
14646 (qty_n_calls_crossed): Likewise.
14647 (qty_alternate_class): Likewise.
14648 (qty_changes_size): Likewise.
14649 (qty_first_reg): Likewise.
14650 (alloc_qty): Rename variable QTY to QTYNO.
14651 (finf_free_reg): Likewise.
14652 (local_alloc): Allocate qty, do not allocate the removed variables.
14654 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14656 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14657 when -membedded-pic is passed.
14659 * config/mips/mips.md (casesi): Handle 64-bit case too.
14660 (casesi_internal_di): New insn.
14662 * config/mips/mips.c (embedded_pic_offset): Always make the
14663 embedded-pic subtractions relative to the name of the current
14664 function by use of the magic string "..CURRENT_FUNCTION".
14665 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14667 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14669 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14670 of (const_int 0), when what we really care about is
14671 whether it's a zero constant anyway.
14672 (div_trap_mips16): Likewise.
14674 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14676 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14677 unroll_block_trees when generating debuggable code.
14679 * tree.h (unsave_expr_1): New function.
14680 (lang_unsave): New variable.
14681 (get_callee_fndecl): New function.
14682 * tree.c (unsave_expr_now_r): New function.
14683 (lang_unsave): Define.
14684 (unsave_expr_1): Likewise.
14685 (unsave_expr_now_r): Split out from unsave_expr_now.
14686 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14687 call unsave_expr_now_r.
14688 (get_callee_fndecl): Define.
14690 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14691 (gencheck.o): Do depend on lang_tree_files.
14693 * integrate.h (copy_decl_for_inlining): New declaration.
14694 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14695 (copy_decl_for_inlining): New function.
14696 (integrate_parm_decls): Use it.
14697 (integrate_decl_tree): Likewise.
14699 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14701 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14702 the second two from the first.
14703 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14704 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14705 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14707 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14708 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14711 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14713 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14714 needed on the address operand.
14715 * pa.c (call_operand_address): Check for the correct mode.
14717 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14719 * loop.c: Include "basic-block.h".
14720 (try_copy_prop, replace_loop_reg): New functions.
14721 (load_mems): Detect registers that just hold copies of the hoisted
14722 mem, and call try_copy_prop to eliminate them.
14723 * Makefile.in (loop.o): Update dependencies.
14725 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14727 * Makefile.in (gencheck.o): Depend on gencheck.h.
14728 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14729 (insn-peep.o): Depend on except.h and function.h.
14730 (insn-attrtab.o): Depend on RECOG_H.
14731 (insn-output.o): Depend on toplev.h and flags.h.
14732 (gengenrtl.o): Depend on real.h.
14733 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14734 Unify all dependencies to be on RECOG_H rather than recog.h.
14736 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14738 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14739 * configure.in: Try building a bi-arch 32/64-bit compiler on
14740 sparc-*-solaris2.7 and higher.
14741 * configure: Rebuild.
14743 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14745 * config/freebsd.h: New, FreeBSD architecture independent file.
14746 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14747 independent pieces.
14748 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14749 directly by i386/freebsd.h.
14750 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14751 independent configuration file.
14752 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14753 directly by i386/freebsd.h.
14754 * configure: Rebuilt.
14756 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14757 which is in the user's namespace.
14758 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14759 `i386' which is not in our namespace.
14761 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14763 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14765 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14767 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14768 (add_dwarf_attr, add_child_die): Just push onto the front.
14769 (reverse_die_lists): New fn.
14770 (add_sibling_attributes): Use it.
14771 (push_decl_scope): Reorganize.
14772 (add_name_and_src_coords_attributes): Don't set file and line for
14773 an artificial decl.
14774 (gen_subprogram_die): An artificial function doesn't need to match
14776 (gen_compile_unit_die): Return the generated die. Only add
14777 AT_comp_dir if the filename is relative.
14778 (remove_AT): Simplify loop. Also free string values.
14779 (output_die): A DIE ref can't be null.
14780 (output_value_format, value_format): Take a dw_attr_ref.
14781 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14782 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14783 AT_addr, AT_lbl): New fns.
14784 (various): Use them.
14785 (various): Constify.
14787 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14789 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14790 take SUBREG_WORD into account.
14791 (if_then_else_cond): Likewise.
14793 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14795 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14796 clause from BSD license, pursuant with
14798 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14800 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14802 * loop.c (load_mems): Reformat slightly.
14803 * basic-block.h (regset_head): New typedef.
14804 (INIT_REG_SET): New macro.
14806 1999-11-22 Bruce Korb <autogen@linuxbox.com
14808 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14809 (mips-dec-bsd*): non-functional code
14810 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14812 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14813 added three replacement fixes
14814 (no_double_slash): removed comments that are not (any longer) pertinent
14815 (bad_lval): this fix currently runs against many files.
14816 The comment seems to indicate that we should select for files
14817 containing 'pragma extern_prefix'.
14819 * fixinc/fixinc.x86-linux-gnu: deleted
14820 * fixinc/inclhack.sh: regen
14821 * fixinc/fixincl.x: regen
14822 * fixinc/fixincl.sh: regen
14824 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14826 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14827 its code is INSN and it has no notes.
14829 1999-11-22 Andrew Haley <aph@cygnus.com>
14831 * varasm.c (function_defined): Remove.
14832 (make_function_rtl): Don't set function_defined.
14833 (make_decl_rtl): Remove global register warning.
14834 * regclass.c (no_global_reg_vars): New variable.
14835 (globalize_reg): Warn if function has already been defined.
14836 (regclass_init): Set no_global_reg_vars.
14838 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14840 * regclass.c (reg_pref): New structure and static variable
14841 (prefclass): Delete.
14842 (altclass): Delete.
14843 (all uses of prefclass and altclass): Use reg_pref instead.
14845 1999-11-21 Nick Clifton <nickc@cygnus.com>
14847 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14849 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14850 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14851 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14853 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14855 * varasm.c (output_constructor): Solve problem with long long
14856 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14858 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14860 * global.c (allocno): New structure and static variable.
14861 (allocno_reg): Remove, all references replaced by allocno.
14862 (allocno_size): Likewise.
14863 (hard_reg_conflicts): Likewise.
14864 (hard_reg_preferences): Likewise.
14865 (hard_reg_copy_preferences): Likewise.
14866 (hard_reg_full_preferences): Likewise.
14867 (regs_someone_prefers): Likewise.
14868 (allocno_calls_crossed): Likewise.
14869 (allocno_n_refs): Likewise.
14870 (allocno_live_length): Likewise.
14871 (find_reg): Rename ALLOCNO to NUM.
14873 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14874 references updated.
14875 (may_move_out_cost): New variable.
14876 (init_reg_sets_1): Initialize may_move_out_cost.
14877 (record_reg_classes): Use may_move_out_cost.
14879 * regclass.c (dump_regclass): New function.
14880 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14881 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14882 pass rtl_dump_file to regclass.
14883 * rtl.h (regclass): Update prototype.
14885 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14887 * i386.md (neg, not and abs patterns): Revmap to use
14888 ix86_expand_unary_operator and ix86_unary_operator_ok.
14889 (add?f and sub?f expanders): Force operand 1 to register.
14890 * i386.c (ix86_expand_unary_operator): Rewrite.
14891 (ix86_unary_operator_ok): Ensure that memory operands
14893 (ix86_binary_operator_ok): Do not allow operand 1 to
14894 come into memory and operand 0 not.
14895 (ix86_expand_binary_operator): Ensure that
14896 src1 is not non-matching memory.
14898 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14899 to support integer registers and memory.
14900 (abss?2_integer): Likewise.
14902 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14903 (REG_CLASS_NAMES): Likewise.
14904 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14906 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14907 (movsf): Likewise; unify 4th and 5th alternative.
14908 (pushdf): Likewise.
14909 (movdf_1): Likewise; rename to movdf_integer.
14910 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14911 remove redundant splitter.
14912 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14913 (movdf_nointeger): New.
14914 (movxf_nointeger): New.
14915 (pushxf_nointeger): New.
14917 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14918 memory operands in patterns.
14919 (fop*): Refuse two memory operands.
14921 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14922 on !TARGET_USE_CLTD CPUs.
14924 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14926 * extend.texi: Document C++ restricted pointers and references.
14928 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14930 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14931 (invalidate_skipped_set): Call it unconditionally.
14932 (cse_set_around_loop): Likewise.
14934 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14936 * rtl.texi (mem): Add documentation for alias-set argument
14939 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14941 * i386.h (struct_processor_costs): New fields int_load, int_store,
14942 fp_move, fp_load and fp_store
14943 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14945 (MEMORY_MOVE_COST): New macro.
14946 * i386.c (386_cost): Define new fields.
14947 (i486_cost): Likewise.
14948 (pentium_cost): Likewise.
14949 (pentiumpro_cost): Likewise.
14950 (k6_cost): Likewise.
14952 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14953 Geoffrey Keating <geoffk@cygnus.com>
14955 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14957 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14960 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14961 (TARGET_STRICT_ALIGNMENT): New macro.
14962 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14963 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14964 * invoke.texi (M680x0 Options): Document -mstrict-align.
14966 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14967 Richard Henderson <rth@cygnus.com>
14969 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14970 (ix86_split_long_move): Declare.
14971 * i386.c (split_xf, ix86_split_movdi): Remove.
14972 (ix86_split_to_parts, ix86_split_long_move): New.
14973 * i386.md (dimode move splitters): Use ix86_split_long_move.
14974 (dfmode move splitters): Likewise.
14975 (xfmode move splitters): Likewise.
14976 (movsf_1): Allow F->r.
14977 (movdf_1, movxf_1): Allow F->ro.
14979 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14981 * except.h (struct eh_entry): Add goto_entry_p.
14982 (eh_region_from_symbol): Remove prototype.
14983 * except.c (find_func_region_from_symbol): New function.
14984 (emit_cleanup_handler): Likewise.
14985 (eh_region_from_symbol): Make it static.
14986 (add_new_handler): Verify the argument.
14987 (find_func_region): Update comment.
14988 (expand_eh_region_end): Expand handlers here, rater than waiting
14989 until expand_leftover_cleanups or start_all_catch.
14990 (expand_leftover_cleanups): Don't expand here.
14991 (expand_start_all_catch): Or here.
14992 (expand_rethrow): Check the return value from find_func_region.
14993 * function.c (expand_function_end): Emit the catch_clauses.
14995 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14997 * integrate.c (expand_inline_function): Add necessary check for NULL.
14999 1999-11-18 Nick Clifton <nickc@cygnus.com>
15001 * toplev.c (main): Correctly detect an unrecognised option.
15003 * cppinit.c (cpp_handle_option): Do not claim to have consumed
15004 a -f option if it has not been recognised.
15006 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
15008 * basic-block.h (update_life_extent): Remove trailing comma on
15009 enumeration type list.
15011 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15013 * varasm.c (output_constructor) Solved problem with long long
15014 bitfields. Corrected calculating this_time and shift. Also
15015 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
15017 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
15019 * flow.c (split_edge): Take looping structure into account when
15020 determining where to put the new block note.
15022 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
15024 * Makefile.in (ggc-none.o): Provide host specific version if
15027 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
15029 * cse.c (delete_trivially_dead_insns): Identify no-op insns
15030 containing subregs too.
15032 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15034 * invoke.texi: Add documentation for -muninit-const-in-rodata.
15035 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
15036 (TARGET_UNINIT_CONST_IN_RODATA): Define.
15037 (text_section): Add switches -munint-const-in-rodata and
15038 -mno-uninit-const-in-rodata.
15039 (ASM_OUTPUT_COMMON): Remove.
15040 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
15041 const objects should be placed in read-only data. Otherwise declare
15044 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
15046 * jump.c (jump_optimize_1): Revert last change.
15048 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
15050 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
15051 test if optimizing for size.
15053 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15055 * Makefile.in (toplev.o): Depend on except.h.
15056 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
15058 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15060 * i386.md (divmodsi4): Rewrite to expander.
15061 (*divmodsi4_nocltd): New.
15062 (*divmodsi4_cltd): New.
15063 (divmodsi4 splitter): Handle the case when input comes in edx.
15064 (udivmodhi4): Do not use constraints in exander.
15065 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
15067 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
15069 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
15070 for the common case.
15072 1999-11-16 Jakub Jelinek <jakub@redhat.com>
15074 * explow.c (hard_function_value): Add outgoing argument.
15075 * expr.h (hard_function_value): Declare it.
15076 * calls.c (expand_call, emit_library_call_value): Update callers.
15077 * function.c (aggregate_value_p): Ditto.
15078 (diddle_return_value): Must look at the outgoing registers
15079 on archs with register windows.
15081 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
15083 * alpha.c (alpha_build_va_list): Use make_lang_type and
15084 initialize TYPE_NAME for the va_list record.
15086 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
15088 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
15090 * ggc.h (struct ggc_statistics): Rearrange elements for better
15091 packing on 64-bit hosts.
15092 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
15093 (compute_nearerout): Likewise.
15095 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
15097 * config/rs6000/rs6000.c (first_reg_to_save): Save
15098 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
15100 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
15102 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
15103 notion of nesting to find the DIE for a type or function.
15104 DIEs can go in limbo even if we got a context_die.
15105 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
15106 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
15108 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
15109 (gen_type_die): Writing out the context doesn't cause member class
15110 template instantiations to be written out as well.
15112 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
15114 * rs6000.h (ASM_OUTPUT_DEF): New.
15115 Based on proposed addition from David Edelsohn.
15117 1999-11-15 Robert Lipe <RobertLipe@usa.net>
15118 Bruce Korb <autogen@linuxbox.com>
15120 * fixinc/inclhack.def
15121 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
15122 (unixware7_byteorder_fix): added. Removes conflicts for new defs
15124 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
15125 (svr4_endian): enabled with SVR5
15126 (svr4_mkdev): simplified syntax and enabled with SVR5
15128 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
15130 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
15131 * configure: Rebuilt.
15132 * config/t-freebsd-thread: New file.
15134 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
15136 * i386.c (ix86_decompose_address): Verify the base is a REG
15137 before trying to examine its register number.
15139 * basic-block.h: Remove all #defines and prototypes related to
15141 (free_bb_mem, compute_preds_succs): Remove prototype.
15142 * rtl.h (free_bb_mem): Remove prototype.
15143 * flow.c (alloc_int_list_node); Remove function.
15144 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
15145 (compute_preds_succs, free_bb_mem): Likewise.
15146 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
15147 * toplev.c (rest_of_compilation): Likewise.
15148 * haifa-sched.c (build_control_flow): Use flow generated edge
15149 list to build the haifa specific edge list.
15150 (find_rgns): Use new CFG data structures instead of pred/succ lists.
15151 (schedule_insns): Do not build pred/succ lists anymore. Instead
15152 build the edge table.
15154 * basic-block.h (dump_bb_data): Remove declaration.
15155 * flow.c (dump_bb_data): Remove function.
15156 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
15157 (sbitmap_union_of_predsucc): Likewise.
15159 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
15160 argument. All callers changed.
15161 (delete_null_pointer_checks_1): No longer need to compute the
15164 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
15165 All callers changed.
15166 (pre_expr_reaches_here_p_work): Likewise.
15167 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
15168 * lcm.c (compute_laterin): Fix initialization of LATER.
15169 (compute_nearerout): Similarly for NEARER.
15171 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15173 * cse.c (set_nonvarying_address_components): Delete unused function.
15174 (refers_to_p): Likewise.
15176 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
15178 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
15181 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15183 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15184 definition in do while (0).
15186 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15188 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15190 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15192 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15194 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15196 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15197 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15198 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15199 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15201 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15202 saved on the stack. Output more accurate stack frame statistics
15203 into assembler file.
15205 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15207 * genextract.c (record_insn_name): New function.
15208 (get_insn_name): No longer a stub.
15209 (main): Call record_insn_name for each insn. After each label
15210 written, print the insn name in a comment.
15212 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15214 * output.h (const_section, init_section, fini_section): Add
15217 * alpha/elf.h (const_section): Delete declaration.
15219 * svr4.h (const_section): Likewise.
15221 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15223 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15224 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15225 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15227 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15228 variable-sized array bounds.
15230 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15232 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15235 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15237 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15238 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15240 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15242 * cse.c (hash_arg_in_struct): Delete.
15243 (struct table_elt): Delete elt in_struct.
15244 (struct set): Delete elt src_in_struct.
15245 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15246 the corresponding in_struct elts.
15247 (canon_hash): Likewise.
15248 (safe_hash): Likewise.
15249 (find_best_addr): Likewise.
15250 (record_jump_cond): Likewise.
15251 (cse_insn): Likewise.
15253 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15255 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15257 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15260 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15262 * function.c (diddle_return_value): Put back check that the DECL_RTL
15263 for the function is a register.
15265 * function.c (diddle_return_value): Use hard_function_value to
15266 get an rtx suitable for use in the USE/CLOBBER insn.
15268 * global.c (global_conflicts): Update comments.
15269 (record_conflicts): No need to record conflicts between pseudos here.
15271 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15273 * fixinc/fixincl.c: Added verbose levels for status messages
15275 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15277 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15278 operand as argument to expand_and or expand_binop.
15280 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15282 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15283 gcc_add_string_root.
15285 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15287 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15289 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15291 * flow.c (compute_flow_dominators): Initially put all blocks on
15293 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15294 * gcse.c (compute_cprop_avinout): Remove.
15295 (compute_cprop_data): Use compute_available.
15296 (delete_null_pointer_checks_1): Use compute_available.
15298 * basic-block.h (compute_available): Returns a void now.
15299 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15300 to return a value anymore.
15301 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15302 worklists. Fix boundary cases. Compute maximal solutions.
15303 (compute_laterin, compute_nearerout): Similarly.
15305 * dwarf2out.c (add_AT_location_description): Allow
15306 (mem (plus (pseudo) (...)) too.
15308 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15310 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15312 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15313 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15315 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15317 * gansidecl.h: Likewise.
15323 * toplev.h: Likewise.
15325 * tree.c: Likewise.
15327 * tree.h: Likewise.
15329 * varray.c: Likewise.
15331 * varray.h: Likewise.
15333 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15335 * gcov.c (struct arcdata): Add hits and total, remove prob.
15336 (output_branch_counts): New.
15337 (process_args): Set output_branch_counts if -c.
15338 (calculate_branch_probs): Store hits and total instead of
15340 (output_data): Emit counts if output_branch_counts is true.
15341 * gcov.texi (Invoking Gcov): Document -c switch..
15343 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15345 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15346 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15348 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15350 * invoke.texi (C Dialect Options): Add missing builtins from
15351 c-common.c to list.
15352 * extend.texi (Other Builtins): Copy to this list.
15354 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15356 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15357 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15358 redundant bitmap.h.
15360 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15362 * flow.c (compute_flow_dominators): No longer treat basic block 0
15363 or (n_basic_blocks - 1) specially. Clear the AUX field before
15364 starting computation of doms/pdoms. Fix initial state for pdoms.
15366 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15368 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15369 match rtl.o's: added ggc.h and toplev.h
15370 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15371 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15372 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15374 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15376 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15377 from HAVE_DOS_BASED_FILESYSTEM.
15378 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15379 HAVE_DOS_BASED_FILESYSTEM.
15381 (split_directories): Only special-case DOS file names if
15382 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15383 instead of explicit tests. Conditionalize on !VMS.
15384 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15385 tests. Conditionalize on !VMS.
15386 (process_command): Only use make_relative_prefix if !VMS.
15387 (free_split_directories): Conditionalize on !VMS.
15388 (DIR_UP): Conditionalize on !VMS.
15390 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15392 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15394 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15396 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15399 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15401 * invoke.texi (Environment Variables): Document relative path
15403 * gcc.c (DIR_UP): If not defined, define as "..".
15404 (standard_bindir_prefix): New static, holds target location to
15406 (split_directories): New function to split a filename into
15407 component directories.
15408 (free_split_directories): New function, release memory allocated
15409 by split_directories.
15410 (make_relative_prefix): New function, make a relative pathname if
15411 the compiler is not in the expected location.
15412 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15413 can figure out an appropriate prefix from argv[0].
15414 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15415 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15416 STANDARD_BINDIR_PREFIX.
15418 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15420 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15422 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15423 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15424 c4x_secondary_memory_needed) Delete.
15425 (fp_zero_operand): Add mode argument.
15427 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15429 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15430 that is in reload_reg_used.
15432 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15434 * config/arm/arm-protos.h: New file: Prototypes for functions
15435 defined in arm.c and pe.c.
15436 * config/arm/arm.h: Fix compile time warnings.
15437 * config/arm/arm.c: Fix compile time warnings.
15438 * config/arm/pe.h: Fix compile time warnings.
15439 * config/arm/aout.h: Fix compile time warnings.
15441 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15443 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15446 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15447 Add support for subtargets.
15448 Add prototypes for new predicates.
15449 Add scheduling macros.
15451 * config/m32r/m32r.c: Fix compile time warnings.
15452 (int8_operand): New predicate function.
15453 (reg_or_cmp_int16_operand): New predicate function.
15454 (extend_operand): New predicate function.
15455 (m32r_adjust_code): New scheduling function.
15456 (m32r_adjust_priorty): New scheduling function.
15457 (m32r_sched_init): New scheduling function.
15458 (m32r_sched_reorder): New scheduling function.
15459 (m32r_sched_variable_issue): New scheduling function.
15460 (direct_return): New codegen function.
15461 (m32r_not_same_reg): New rtl testsing function.
15463 * config/m32r/m32r.md: Fix compile time warnings.
15464 Add support for pre decrement and post increment memory
15466 Add S<cc> patterns.
15469 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15471 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15472 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15473 (find_reg): Likewise.
15475 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15477 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15478 to avoid assembler errors.
15480 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15482 * config/v850/v850-protos.h: New file: Prototypes for functions
15484 * config/v850/v850.h: Move prototypes to v850-protos.h
15485 * config/v850/v850.c: Move prototypes to v850-protos.h
15486 * config/v850/v850.md: Fix compile time warnings.
15488 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15490 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15491 * config/fr30/fr30.c: Fix compile time warnings.
15492 * config/fr30/fr30.md: Fix compile time warnings.
15494 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15496 * tree.h (get_containing_scope): Declare it.
15497 * tree.c (get_containing_scope): New fucntion.
15498 (decl_function_context): Use it.
15499 * toplev.c (rest_of_compilation): Use get_containing_scope.
15501 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15503 * Makefile.in (rtl.o): Depend on toplev.h.
15505 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15507 * cse.c (delete_trivially_dead_insns): Replace alloca with
15509 * except.c (update_rethrow_references): Likewise.
15510 (init_eh_nesting_info): Likewise.
15511 * function.c (identify_blocks): Likewise.
15512 * gcse.c (dump_hash_table): Likewise.
15513 * graph.c (print_rtl_graph_with_bb): Likewise.
15514 * loop.c (combine_movables): Likewise.
15515 (move_movables): Likewise.
15516 (count_loop_regs_set): Likewise.
15517 (strength_reduce): Likewise.
15518 * profile.c (compute_branch_probabilities): New function, split
15520 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15521 * regclass.c (regclass): Likewise.
15522 * regmove.c (regmove_optimize): Likewise.
15523 * toplev.c (compile_file): Likewise.
15524 (main): Don't mess with the stack rlimit.
15526 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15528 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15529 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15531 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15533 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15535 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15537 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15538 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15541 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15543 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15545 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15547 * gcse.c (post_dominators): Kill.
15548 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15549 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15550 pass in a pdom array since we do not need pdoms.
15551 * haifa-sched.c (schedule_insns): Similarly.
15552 * flow.c (compute_dominators): Remove dead function.
15553 (compute_flow_dominators): Do not compute doms or pdoms if the
15554 caller does not request them. Split up loop to build doms and
15555 pdoms. Use a worklist to compute doms and pdoms.
15556 * basic-block.h (compute_dominators): Remove prototype.
15558 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15560 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15561 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15562 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15563 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15564 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15565 (schedule_region): Remove unused variable.
15566 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15568 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15570 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15571 (update_equiv_regs): Likewise.
15572 (block_alloc): Likewise.
15573 * reg-stack.c (reg_to_stack): Likewise.
15574 (convert_regs_2): Likewise.
15575 * reload1.c (reload_as_needed): Likewise.
15577 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15579 * Makefile.in (dbxout.o): Depend on ggc.h.
15580 (dwarf2out.o): Likewise.
15581 (xcoffout.o): Likewise.
15582 * dbxout.c: Include ggc.h.
15583 (dbxout_init): Register lastfile as a root.
15584 * dwarf2out.c: Include ggc.h.
15585 (dwarf2out_line): Register lastfile as a root.
15586 * xcoffout.c: Include ggc.h.
15587 (xcoffout_source_line): Register xcoff_lastfile as a root.
15589 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15591 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15593 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15595 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15597 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15599 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15601 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15602 (EXECUTE_IF_CONFLICT): Likewise.
15603 (ALLOCNO_LIVE_P): Avoid signed division.
15604 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15605 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15606 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15608 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15610 * haifa-sched.c (schedule_block): Don't crash if there's no
15611 next insn for an interblock movement.
15612 (add_branch_dependences): Don't allow clobber insns to move either.
15614 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15616 * i386.c (split_xf): New.
15617 * i386-protos.h: Declare it.
15618 * i386.md (movxf_1): Add general regs alternatives.
15619 (movxf_1+1): New splitter for same.
15621 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15623 * function.c (purge_addressof_1): Add missing return values.
15625 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15627 * function.c (is_addressof): New function. Returns true if
15628 the given piece of RTL is an ADDRESSOF.
15629 (purge_addressof_1): Make boolean. Return false if the
15630 ADDRESSOFs could not be purged.
15631 (purge_addressof): If ADDRESSOFs could not be purged from the
15632 notes attached to an insn, remove the offending note(s),
15633 unless they are attached to a libcall.
15635 1999-11-05 Andreas Jaeger <aj@suse.de>
15637 * genoutput.c (null_operand =): Initialize all fields.
15639 * errors.h: Add extern to prototypes.
15641 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15643 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15644 * configure: Rebuilt.
15646 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15648 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15649 (mirror_conflicts): New function.
15650 (global_alloc): Call it.
15651 (expand_preferences): Remove redundant CONFLICTP test.
15652 (find_reg, dump_conflicts): Likewise.
15653 (prune_preferences): Process conflicts one word at a time.
15655 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15657 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15658 instead of an explicit loop.
15660 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15662 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15663 if REG_RETVAL check succeeds, then put classp in src_elt.
15665 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15667 * function.c (pad_to_arg_alignment): Only update argument_pad
15668 if the argument's alignment is greater than STACK_BOUNDARY.
15670 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15672 * bitmap.h (BITMAP_XFREE): New.
15673 * flow.c (life_analysis): Use it.
15674 (life_analysis_1): Free blocks.
15676 * combine.c (undo_commit): New.
15677 (try_combine): Use it. Don't zap undobuf.undos.
15678 (combine_instructions): Don't zap undobuf.undos; free the
15679 undobuf.frees list.
15681 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15683 * stmt.c (cost_table_): New.
15684 (estimate_case_costs): Use it instead of xmalloc.
15686 * toplev.c (compile_file): Reuse dumpname memory instead
15689 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15691 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15692 after verifying an EH edge.
15694 * haifa-sched.c (init_rgn_data_dependences): Correctly
15695 size bb_pending_lists_length when zeroing.
15697 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15699 * function.c (diddle_return_value): New.
15700 (expand_function_end): Use it.
15701 * stmt.c (expand_null_return): Likewise.
15702 (expand_value_return): Likewise.
15704 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15706 * reload1.c (reload): Don't remove return value clobbers.
15708 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15710 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15712 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15714 * cse.c (cse_main): Use xmalloc, not alloca.
15715 (cse_basic_block): Likewise.
15716 * local-alloc.c (local_alloc): Likewise.
15718 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15719 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15721 * rtl.c: Include toplev.h.
15722 (fatal): Remove declaration.
15724 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15726 * haifa-sched.c (schedule_block): Fix thinko.
15728 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15730 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15731 S_IR* defined values
15733 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15735 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15736 call `malloc' instead.
15738 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15740 * flags.h (flag_renumber_insns): Declare.
15741 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15743 * rtl.h (renumber_insns): Change prototype.
15744 * toplev.c (flag_renumber_insns): Define.
15745 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15747 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15749 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15750 and fpsqrtd. Use them and create fdiv function unit to more
15751 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15752 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15754 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15756 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15758 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15759 insn into ready list, do not use just a raw swap.
15761 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15763 * rtl.h (renumber_insns): New function.
15764 (remove_unnecessary_notes): Likewise.
15765 * emit-rtl.c (renumber_insns): Define.
15766 (remove_unncessary_notes): Likewise.
15767 * toplev.c (rest_of_compilation): Remove dead code.
15768 Use renumber_insns and remove_unncessary_notes.
15770 * gcse.c (struct null_pointer_info): New type.
15771 (get_bitmap_width): New function.
15772 (current_block): Remove.
15773 (nonnull_local): Likewise.
15774 (nonnull_killed): Likewise.
15775 (invalidate_nonnull_info): Take a null_pointer_info as input.
15776 (delete_null_pointer_checks_1): New function.
15777 (delete_null_pointer_checks): Use it.
15779 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15780 (split_edges): Likewise.
15781 (schedule_block): Likewise.
15782 (compute_block_backward_dependencies): Likewise.
15783 (schedule_region): Likewise.
15784 (schedule_insns): Likewise.
15786 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15788 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15789 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15790 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15791 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15792 * jump.c (delete_unreferenced_labels): Don't delete if
15793 LABEL_ALTERNATE_NAME is set.
15794 * print-rtl.c (print_rtx): Dump alternate name.
15795 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15796 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15797 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15798 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15800 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15802 * fix-header.c (recognized_extern, recognized_function): Constify
15805 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15806 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15807 (compute_available): Remove unused variable `last'.
15808 (compute_nearerout): Remove unused variable `temp_bitmap'.
15809 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15810 Remove unused variable `x'.
15812 * scan.h (recognized_function, recognized_extern): Constify a
15815 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15817 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15819 * varasm.c (decode_rtx_const): Use XSTR to access the string
15822 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15824 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15826 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15828 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15830 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15832 * pa.c (ireg_operand): New function.
15833 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15834 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15835 Fix out of date comment.
15837 * pa.md (negdi2): Turn into expander + anonymous pattern.
15839 * reload.c (find_reloads): Fix typos in recent change.
15841 * dwarf2out.c: Do not include ctype.h.
15843 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15845 * regclass.c (record_reg_classes): Always use may_move_cost when
15846 seeing how operand fits with various register classes.
15848 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15850 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15851 * toplev.c: Revert Nov 1 13:22 change.
15853 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15855 * config/pa/pa.md (height reduction patterns): Add checks for
15856 overlapping operands to avoid semantic-destroying splits for
15857 height reduction patterns.
15859 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15861 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15862 have been an hyphen, fixed.
15863 * configure: Rebuilt.
15865 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15867 * config/arm/tpe.h: Add prototypes for exported functions.
15868 * config/arm/pe.c: Fix compile time warnings.
15869 * config/arm/semi.h: Fix compile time warnings.
15870 * config/arm/arm.c: Fix compile time warnings.
15871 * config/arm/arm.h: Fix compile time warnings.
15872 * config/arm/arm.md: Fix compile time warnings.
15873 * config/arm/thumb.c: Fix compile time warnings.
15874 * config/arm/thumb.h: Fix compile time warnings.
15875 * config/arm/thumb.md: Fix compile time warnings.
15877 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15879 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15882 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15883 completely unrolled.
15885 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15887 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15889 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15891 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15892 * rtl.h (rtx_equal_p): Move prototype.
15893 * rtl.c (rtx_equal_function_value_matters): Move from
15895 (rtx_equal_p): Likewise.
15896 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15897 (rtx_equal_p): Likewise.
15899 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15901 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15902 ! HAS_INIT_SECTION.
15904 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15906 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15908 * pa.h (ADDR_VEC_ALIGN): Define.
15910 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15911 notes when presented with "if (foo) break; end_of_loop" and
15912 the break sequence gets moved out of the loop.
15914 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15915 Remove explicit zero initializations of entries within MAP.
15917 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15919 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15921 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15923 * bitmap.h (BITMAP_XMALLOC): New macro.
15924 * flow.c (CLEAN_ALLOCA): Remove.
15925 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15926 (life_analysis): Likewise.
15927 (update_life_info): Don't use CLEAN_ALLOCA.
15928 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15929 (calculate_global_regs_live): Likewise.
15930 (print_rtl_with_bb): Likewise.
15931 (verify_flow_info): Likewise.
15932 * global.c (global_alloc): Likewise.
15933 (global_conflicts): Likewise.
15934 * integrate.c (save_for_inline_nocopy): Likewise.
15935 (expand_inline_function): Likewise.
15936 * jump.c (jump_optimize_1): Likewise.
15937 (duplicate_loop_exit_test): Likewise.
15938 (thread_jumps): Likewise.
15939 * loop.c (loop_optimize): Likewise.
15940 (combine_givs): Likewise.
15941 (recombine_givs): Likewise.
15942 * reorg.c (dbr_schedule): Likewise.
15943 * unroll.c (unroll_loop): Likewise.
15945 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15947 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15949 * toplev.c (rest_of_compilation): Don't optimize the CFG
15950 when rebuilding, just before dbr.
15952 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15954 * output.h (assemble_end_function, assemble_destructor,
15955 assemble_constructor, assemble_gc_entry, assemble_global,
15956 assemble_label, output_constant_pool) Constify a char*.
15958 * varasm.c (assemble_destructor, assemble_constructor,
15959 assemble_gc_entry, assemble_end_function, assemble_global,
15960 assemble_label, output_constant_pool): Likewise.
15962 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15964 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15965 explaining what is goin on in this function.
15967 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15969 * regclass.c (record_reg_classes): In matching case, recompute
15970 costs since the direction of movement is different.
15972 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15974 * resource.c (mark_target_live_regs): For unconditional branches,
15975 the resources found at the branch target should be added to the
15976 resources found so far, not intersected.
15978 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15980 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15982 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15983 (sys/mman.h): Include this file only if #HAVE_MMAP.
15984 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15985 with automatically concatenated ANSI strings.
15987 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15989 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15990 (DIV_ROUND_UP): Robustify.
15991 (ggc_recalculate_in_use_p): New function.
15992 (release_pages): Don't inline it.
15993 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15995 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15996 (clear_marks): Always save in_use_p.
15997 (sweep_pages): Use ggc_recalculate_in_use_p.
15998 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15999 Release pages before counting statistics.
16001 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
16003 * toplev.c (rest_of_compilation): Fix thinko in this change:
16005 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16007 (rest_of_compilation): If inside an inlined external function,
16008 pretend we are just being declared.
16010 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
16012 * flow.c (calculate_global_regs_live): Fix thinko.
16014 * integrate.c (expand_inline_function): Fix bugs in previous
16015 change from Oct 28, 1999.
16017 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
16019 * stmt.c (expand_value_return): Fix typo in this change:
16021 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16022 (expand_value_return): Correctly convert VAL when promoting function
16023 return; support RETURN_REG being a PARALLEL.
16025 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
16027 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
16029 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16031 * hard-reg-set.h (reg_names): Constify a char*.
16033 * regclass.c (reg_names): Likewise.
16035 * regs.h (reg_names): Likewise
16037 * a29k/a29k.c (reg_names): Delete declaration.
16039 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
16041 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
16042 arc_output_function_epilogue): Likewise.
16044 * elxsi/elxsi.c (reg_names): Likewise.
16046 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
16048 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
16051 * m88k/m88k.c (output_function_profiler): Likewise.
16053 * sparc/sparc.c (sparc_flat_output_function_prologue,
16054 sparc_flat_output_function_epilogue): Likewise.
16056 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
16058 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
16059 warning from -Wuninitialized and put it under -W.
16060 * function.c (uninitialized_vars_warning): Warn only when the
16061 corresponding flag is set.
16063 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
16065 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
16066 is nonzero and the single set does not have an elt, then assign
16069 * simplify-rtx.c: New file.
16070 * Makefile.in (OBJS): Add simplify-rtx.o
16071 (simplify-rtx.o): Add dependencies.
16072 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
16073 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
16074 (cse_gen_binary, simplify_unary_operation): Delete.
16075 (simplify_binary_operation, simplify_plus_minus): Likewise.
16076 (check_fold_consts, simplify_relation_operation): Likewise.
16077 (simplify_ternary_operation): Likewise.
16078 (delete_trivially_dead_insns): Simplify the contents of the
16079 REG_EQUAL note before trying to substitute it into the source
16080 of the reg-reg copy at the end of a libcall sequence.
16082 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
16083 references/callers changed.
16085 * mn10200.c (mn10200_va_arg): Force the return value into a
16088 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
16090 * cccp.c (macroexpand): Avoid out of range accesses for omitted
16093 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
16095 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
16097 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
16099 * fold-const.c (fold): Fix thinko when optimizing comparisons
16102 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
16104 * gcc.texi (Passes): Update front-end files to their current
16107 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
16109 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
16110 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
16111 (PREDICATE_CODES): Add addition_operation.
16112 * alpha-protos.h (addition_operation): Declare.
16113 (secondary_reload_class): Likewise.
16114 * alpha.c (addition_operation): New.
16115 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
16116 * alpha.md (adddi3): Turn into expander.
16117 (*lda, *adddi_2): New.
16118 (movsf, movdf patterns): Don't preference integer regs.
16119 (movsi, movdi patterns): Don't preference fp regs.
16121 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
16123 * genrecog.c (write_switch): Check for duplicate CODE cases.
16125 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
16127 * ggc-common.c: Update pre-function commentary.
16128 * ggc-page.c: Likewise.
16130 (poison_pages): Use memset directly.
16131 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
16132 (ggc_collect): Poison before sweeping.
16133 * ggc-simple.c: Update pre-function commentary.
16134 (ggc_alloc_obj): Poison non-zeroed memory.
16136 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
16138 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
16139 match format string, even on 64-bit hosts.
16140 * gcc-page.c (ggc_page_print_statistics): Likewise.
16142 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
16144 * config/i386/i386.c (ix86_cpu): Revert last patch.
16145 * config/i386/i386.h (ix86_cpu): Ditto.
16147 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
16149 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
16150 TYPE_SIZE, convert type of result to sizetype.
16152 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
16154 * flow.c (count_or_remove_death_notes): Equate NULL with the
16157 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
16158 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
16161 * i386.c (pic_label_no): Delete.
16162 (ix86_attr_length_default): Don't use single_set to peek
16165 * recog.c (peephole2_optimize): Allow recog_next_insn to index
16166 the first insn after bb->end.
16167 * i386.md (push mem peeps): Scratch is live after evaluation
16169 (cmp mem peep): Similarly.
16171 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
16173 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
16174 * function.c (pad_to_arg_alignment): Add missing braces.
16176 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16178 * alpha/alpha-protos.h (literal_section): Add prototype.
16179 (alpha_need_linkage, alpha_start_function,alpha_end_function):
16182 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16184 (alpha_start_function, alpha_end_function, float_strings,
16185 alpha_need_linkage): Constify a char*
16187 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16189 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16191 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16193 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16195 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16197 * flow.c (debug_flow_info): Add prototype.
16199 * gcc.c (main): Likewise.
16201 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16204 * reload1.c (failed_reload, set_reload_reg): Likewise.
16206 * mips-tfile.c (main): Likewise.
16207 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16208 with ATTRIBUTE_NORETURN.
16210 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16212 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16213 DECL is not a memory ref.
16215 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16217 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16218 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16220 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16222 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16223 * config/mips/elf64.h: ditto.
16225 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16227 * expr.c (emit_push_insn): New argument alignment_pad.
16228 Update all callers. Adjust stack pointer based on alignment pad.
16229 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16230 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16231 (locate_and_pad_parm): New argument alignment_pad. Update all
16233 * expr.h (emit_push_insn): Update prototype.
16234 (locate_and_pad_parm): Update prototype.
16235 * calls.c (arg_data): Add new field alignment_pad.
16236 (initialize_argument_information): Initialize alignment_pad.
16238 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16240 * except.c (free_eh_nesting_info): Free the info itself.
16241 * function.c (free_after_compilation): Don't free NULL.
16242 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16243 (pre_edge_insert): Free inserted.
16244 * stmt.c (free_stmt_status): Don't free NULL.
16246 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16248 * gcov.c (DIR_SEPARATOR): Provide default.
16249 (output_data): Add test for MS-DOS format absolute filename.
16250 (fancy_abort): Correct program name.
16251 (open_files): Open all files in binary mode.
16252 * libgcc2.c (__bb_exit_func): Likewise.
16254 * profile.c (init_branch_prob): Specify binary when opening files.
16256 * flags.h (flag_unwind_tables): New decl.
16257 * toplev.c (flag_unwind_table): New definition.
16258 (f_options): Add -funwind-tables.
16259 (decode_g_option): Clarify warning when unknown -g option is given.
16260 (rest_of_compilation): If inside an inlined external function,
16261 pretend we are just being declared.
16263 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16264 (dwarf2out_frame_finish): Likewise.
16266 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16268 * fold-const.c (merge_ranges): If not in0, but in1, handle
16269 upper bounds equal like subset case.
16271 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16273 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16274 passed in a register but moved to the stack.
16276 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16278 * gcc.c (pass_exit_codes, greatest_status): New variables.
16279 (struct option_map): Add entry for "--pass-exit-codes".
16280 (execute): Update greatest_status if error.
16281 (display_help): Add documentation for -pass-exit-codes.
16282 (process_command): Handle -pass-exit-codes.
16283 (main): Look at pass_exit_codes and greatest_status on call to exit.
16285 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16287 * reload.c (find_reloads): Refine test for no input reload
16288 case to not includes reloads emitted after insn.
16290 * function.c (find_temp_slots_from_address): Handle sum involving
16291 a register that points to a temp slot.
16292 (update_temp_slot_address): Make recursive call if both old and
16293 new are PLUS with a common operand.
16294 * calls.c (expand_call): Mark temp slot for result as having
16297 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16299 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16300 component as well as "BINUTILS".
16302 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16303 * integrate.c (copy_rtx_and_substitute): Likewise.
16304 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16305 All callers changed.
16306 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16308 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16309 gdb extensions, write size of type; also be more consistent
16310 in using references when this is a subtype.
16312 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16313 that is out of range.
16315 * loop.c (unknown_constant_address_altered): New variable.
16316 (prescan_loop): Initialize it.
16317 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16318 (invariant_p, case MEM): Remove handling for volatile and readonly;
16319 check new variable if readonly.
16320 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16322 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16323 (addr_affects_sp_p): Removed from note_mem_written and only
16324 define #ifdef AUTO_INC_DEC.
16326 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16328 * regclass.c (record_reg_classes): Properly handle register move
16331 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16332 Don't think valid if both operands are invalid.
16333 (struct constant_descriptor): New field RTL.
16334 (mark_const_hash_entry): Mark it.
16335 (record_constant{,_rtx}): Initialize it.
16336 (output_constant_def): Allocate RTL in permanent obstack and
16338 ({record,compare}_constant_1): Modes must match for
16339 CONSTRUCTOR of ARRAY_TYPE.
16341 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16342 * output.h (initializer_constant_valid_p): Move decl to here.
16343 * c-common.c (initializer_constant_valid_p): Delete function from here.
16344 * varasm.c (initializer_constant_valid_p): Move function to here.
16346 * tree.h (STRIP_SIGN_NOPS): New macro.
16347 * fold-const.c (optimize_minmax_comparison): New function.
16348 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16349 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16350 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16351 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16352 widening conversions.
16353 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16354 to look at size of mode, not precision of type; also add missing cases.
16355 (optimize_bit_field_compare, decode_field_reference): Don't try to
16356 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16358 * dwarf2out.c (ctype.h): Include.
16359 (dwarf2out_set_demangle_name_func): New function.
16360 (size_of_line_info): Deleted.
16361 (output_line_info): Compute size of line info table from difference
16363 (base_type_die, add_name_attribute): Call demangle function, if any.
16364 (field_byte_offset): Use bits per word for variable length fields.
16365 (gen_array_type_die): Add array name.
16366 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16367 (dwarf2out_add_library_unit_info): New function.
16369 * explow.c (set_stack_check_libfunc): New function.
16370 (stack_check_libfunc): New static variable.
16371 (probe_stack_range): Allow front-end to set up a libfunc to call.
16373 * combine.c (simplify_comparison): When making comparison in wider
16374 mode, check for having commuted an AND and a SUBREG.
16375 (contains_muldiv): New function.
16376 (try_combine): Call it when dividing a PARALLEL.
16377 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16378 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16380 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16381 use one of the CLOBBERs instead.
16382 (if_then_else_cond): If comparing against zero, just return thing
16385 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16386 Don't generate shifts and subtract if have conditional arithmetic.
16388 * rtl.h (delete_barrier): New declaration.
16389 * jump.c (jump_optimize): Set up to handle conditional call.
16390 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16391 (delete_barrier): New function.
16393 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16395 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16397 * tree.c (build_type_attribute_variant): Push to obstack of
16398 ttype around type_hash_canon call.
16400 * expr.c (placeholder_list): Move decl to file scope.
16401 (expand_expr): Don't force access to volatile just because its
16403 If ignoring reference operations, just expand the operands.
16404 (expand_expr, case COMPONENT_REF): Propagate
16405 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16406 Refine test for using bitfield operations vs pointer punning.
16407 (expand_expr, case CONVERT_EXPR): If converting to
16408 BLKmode UNION_TYPE from BLKmode, just return inner object.
16409 Use proper mode in store_field call.
16410 Properly set sizes of object to store and total size in store_field
16411 call for convert to union.
16412 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16413 memory (like for ADDR_EXPR). Also, don't put constant in register if
16414 we'll want it in memory.
16415 (readonly_fields_p): New function.
16416 (expand_expr, case INDIRECT_REF): Call it if LHS.
16417 (expand_assignment): Handle a RESULT_DECL where
16418 DECL_RTL is a PARALLEL.
16419 (do_jump, case WITH_RECORD_EXPR): New case.
16420 (get_inner_reference): Always go inside a CONVERT_EXPR
16421 and NOP_EXPR if both modes are the same.
16422 (store_field): Use bitfield operations if size of bitsize is not same
16423 as size of RHS's type.
16424 Check for bitpos not a multiple of alignment in BLKmode case.
16425 Do block move in largest possible alignment.
16426 (store_constructor): Set BITSIZE to -1 for variable size and properly
16427 in case of array of BLKmode.
16428 (expand_expr_unaligned): New function.
16429 (do_compare_and_jump): Call it.
16431 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16432 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16433 does not include 'o'.
16435 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16436 both SET_DEST and SET_SRC reference a virtual register.
16437 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16439 * integrate.c (expand_inline_function): Handle case of setting
16440 virtual stack vars register (from built in setjmp); when parameter
16441 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16442 (subst_constant): Add new parm, MEMONLY.
16443 (expand_inline_function, integrate_parm_decls): Pass new parm.
16444 (integrate_decl_tree): Likewise.
16445 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16446 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16447 (copy_rtx_and_substitute, case SET): Add explicit calls to
16448 copy_rtx_and_substitute for both sides.
16450 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16452 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16453 within INDEX_TYPE, instead of before.
16454 (fixup_gotos): Use f->target_rtl, not the next insn,
16455 since latter may be from a later fixup.
16456 (expand_value_return): Correctly convert VAL when promoting function
16457 return; support RETURN_REG being a PARALLEL.
16458 (expand_return): When checking for result in regs and having
16459 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16461 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16463 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16464 last_nominal_fname): Mark const.
16465 (struct include_hash: name, nshort, control_macro): Mark
16467 (struct macrodef: symnam): Mark const.
16468 (struct if_stack: fname): Mark const.
16469 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16470 (IStable): New character-syntax array which encompasses all
16471 the old is_foo arrays.
16472 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16473 is_space): New macros for interrogating IStable.
16474 (check_macro_name): Kill last argument. All callers changed.
16476 * cppinit.c (initialize_char_syntax): Delete.
16477 (is_idchar, is_idstart, is_hor_space, is_space,
16478 trigraph_table): Delete.
16479 (IStable): New. Initialize with clever macros to avoid
16480 information duplication.
16481 (builtin_array): Table of builtins to get rid of explicit list
16482 in initialize_builtins.
16483 (initialize_builtins): Use builtins_array.
16484 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16485 opts->dollars_in_ident.
16487 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16489 (cpp_parse_expr): Avoid 'format string is not constant'
16490 warning. Use ISGRAPH to identify printable chars.
16491 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16493 (read_and_prescan): Map trigraphs to chars with open-coded
16494 if-else-if-... sequence, not a lookup table.
16495 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16497 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16498 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16499 (check_macro_name): Remove ability to report an invalid
16500 assertion name, which is never used.
16501 (do_line): Constify a couple of char *'s.
16502 * cppmain.c (main): Call cpp_cleanup before returning.
16504 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16506 * ggc.h (struct ggc_statistics): New type.
16507 (ggc_get_size): New function.
16508 (ggc_print_statistics): Likewise.
16509 * ggc-common.c (ggc_stats): New variable.
16510 (ggc_mark_rtx_children): Keep statistics.
16511 (ggc_mark_tree_children): Likewise.
16512 (ggc_print_statistics): New function.
16513 * ggc-page.c (struct globals): Add bytes_mapped field.
16514 (alloc_anon): Update it.
16515 (release_pages): Likewise.
16516 (ggc_get_size): New function.
16517 (ggc_page_print_statistics): New function.
16518 * ggc-simple.c (ggc_get_size): New function.
16520 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16522 * flow.c (propagate_block): When the last reference to a label
16523 before an ADDR_VEC is deleted because the reference is a dead
16524 store, delete the ADDR_VEC.
16526 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16528 * resource.c (find_free_register): Don't use the frame pointer
16529 if frame_pointer_needed.
16531 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16533 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16534 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16536 * config/i960/i960.c (i960_va_start): New locals base, num.
16537 Use INDIRECT_REF instead of ARRAY_REF on valist.
16538 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16540 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16542 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16544 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16546 * tree.def (PLACEHOLDER_EXPR): Update comments.
16548 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16550 * c-common.c (check_format_info): Avoid non-literal format string
16551 warnings when `first_arg_num' is zero.
16553 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16555 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16557 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16559 * arm.md (casesi_insn): Add a clobber of the condition code
16562 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16564 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16565 used by both cc1 and cc1plus.
16567 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16569 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16570 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16571 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16572 to the value 32 if it has not already been defined.
16573 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16574 Override definition in arm.h with a value of 8.
16576 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16578 * c-pragma.c (push_alignment): Don't check the return value
16581 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16583 * sparc.h (ADJUST_COST): Fix thinko.
16585 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16587 * cccp.c (rescan): Fixed obp pointer handling around call to
16588 check_expand subroutine.
16590 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16592 * gcse.c (delete_null_pointer_checks): Only record non-null info
16593 for pseudos when examining stores.
16595 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16596 splitters for these patterns. Use "#" for output templates.
16597 (addsi3_carryin_shift): New pattern.
16599 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16601 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16602 of the function return register into a plain REG until
16603 after function inlining is done.
16605 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16607 * jump.c (jump_optimize_1): If we did cross-jumping, and
16608 the data will matter, rebuild the CFG.
16609 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16610 not optimizing. Don't run shorten_branches.
16611 * toplev.c (rest_of_compilation): Run shorten_branches after
16614 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16616 * rtl.h (note_stores): Add additional paramter.
16617 * rtlanal.c (reg_set_p_1): Take additional paramter.
16618 (reg_set_last_1): Likewise.
16619 (reg_set_p): Adjust call to note_stores.
16620 (reg_set_last): Likewise.
16621 (note_stores): Pass data parameter to worker function.
16622 * alias.c (record_set): Take additional parameter.
16623 (init_alias_analysis): Pass it.
16624 * caller-save.c (mark_set_regs): Take additional parameter.
16625 (save_call_clobbered_regs): Pass NULL to note_stores.
16626 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16628 (record_dead_and_set_regs_1): Likewise.
16629 (reg_dead_at_p_1): Likewise.
16630 (combine_instructions): Adjust calls to note_stores.
16631 (try_combine): Likewise.
16632 (record_dead_insn): Remove.
16633 (record_dead_and_set_regs): Adjust calls to note_stores.
16634 (reg_dead_at_p): Likewise.
16635 * cse.c (invalidate_skipped_set): Take additional parameter.
16636 (cse_check_loop_start): Likewise.
16637 (cse_check_loop_start_value): Remove.
16638 (cse_set_around_loop): Adjust calls to note_stores.
16639 * flow.c (notice_stack_pointer_modification): Take additional
16640 parameter. Remove duplicate declaration.
16641 (record_volatile_insns): Adjust calls to note_stores.
16642 * gcse.c (record_set_info): Take additional parameter.
16643 (record_last_set_info): Likewise.
16644 (invalidate_nonnull_info): Likewise.
16645 (record_set_insn): Remove.
16646 (compute_sets): Adjust calls to note_stores.
16647 (last_set_insn): Remove.
16648 (compute_hash_table): Adjust calls to note_stores.
16649 (insert_insn_end_bb): Likewise.
16650 (delete_null_pointer_checks): Likewise.
16651 * global.c (mark_reg_store): Take additional parameter.
16652 (mark_reg_clobber): Likewise.
16653 (reg_becomes_live): Likewise.
16654 (global_conflicts): Adjust calls to note_stores.
16655 (build_insn_chain): Likewise.
16656 * integrate.c (note_modified_parmregs): Take additional parameter.
16657 (mark_stores): Likewise. Make it static.
16658 (save_for_inline_nocopy): Adjust calls to note_stores.
16659 (try_constants): Likewise.
16660 * integrate.h (mark_stores): Remove declaration.
16661 * jump.c (mark_modified_reg): Take additional parameter.
16662 (thread_jumps): Adjust calls to note_stores.
16663 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16665 (no_equiv): Likewise.
16666 (reg_is_set): Likewise.
16667 (validate_equiv_mem): Adjust calls to note_stores.
16668 (update_equiv_regs): Likewise.
16669 (block_alloc): Likewise.
16670 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16671 (note_addr_stored): Take additional parameter.
16672 (note_set_pseudo_multiple_uses): Likewise.
16673 (record_initial): Likewise.
16674 (prescan_loop): Adjust calls to note_stores.
16675 (strength_reduce): Likewise.
16676 (check_dbra_loop): Likewise.
16677 * regmove.c (flags_set_1): Take additional paramter.
16678 (mark_flags_life_zones): Adjust calls to note_stores.
16679 * reload1.c (mark_not_eliminable): Take additional parameter.
16680 (forget_old_reloads_1): Likewise.
16681 (reload_cse_invalidate_rtx): Likewise.
16682 (reload_cse_check_clobber): Likewise.
16683 (reload_combine_note_store): Likewise.
16684 (move2add_note_store): Likewise.
16685 (reload): Adjust calls to note_stores.
16686 (reload_as_needed): Likewise.
16687 (emit_reload_insns): Likewise.
16688 (reload_cse_regs_1): Likewise.
16689 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16690 (reload_combine): Adjust calls to note_stores.
16691 * resource.c (update_live_status): Take additional paramter.
16692 (mark_target_live_regs): Adjust calls to note_stores.
16693 * stupid.c (find_clobbered_regs): Take additional parameter.
16694 (stupid_life_analysis): Adjust calls to note_stores.
16696 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16698 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16701 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16704 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16705 of the variable arm_structure_size_boundary.
16707 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16709 * alias.c (init_alias_analysis): Allocate reg_known_value and
16710 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16712 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16713 * cse.c (cse_main): Call end_alias_analysis.
16714 * haifa-sched.c (schedule_insns): Likewise.
16715 * local-alloc. (update_equiv_regs): Likewise.
16716 * reload1.c (reload_cse_regs): Likewise.
16718 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16720 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16721 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16722 mapping from MASK_FPU.
16724 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16726 * sparc.md (call): Don't bound structure return size to 0xfff.
16728 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16730 * resource.c (mark_target_live_regs): Check that the target
16731 insn wasn't created after compute_bb_for_insn.
16733 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16735 * ggc-page.c (poison_pages): Don't be overzealous.
16737 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16739 * alias.c: Update comments for ADDRESS.
16740 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16741 it is a local memory reference.
16743 * c-typeck.c (build_function_call): Check that the built-in
16744 function is of class BUILT_IN_NORMAL before trying to recongize
16745 it as BUILT_IN_ABS.
16746 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16747 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16749 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16751 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16753 (pre_gcse): Likewise.
16754 (hoist_expr_reaches_here_p): Likewise.
16755 (hoist_code): Likewise.
16756 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16758 (pre_expr_reaches_here_p_work): ... here.
16759 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16761 (expr_reaches_here_p_work): ... here.
16763 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16765 * resource.c (find_basic_block): Delete.
16766 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16767 (init_resource_info): Call compute_bb_for_insn.
16769 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16771 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16772 with already adjacent blocks, but no fallthru.
16773 (merge_blocks_move_successor_nojumps): Simplify.
16774 (debug_flow_info): New.
16776 * toplev.c (rest_of_compilation): Open jump1 dump file before
16777 jump and close after, as opposed to just using dump_rtl.
16779 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16781 * reload.h (earlyclobber_operand_p): Declare.
16782 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16783 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16784 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16785 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16787 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16788 Richard Henderson <rth@cygnus.com>
16790 * emit-rtl.c (emit_block_insn_before): New.
16791 (emit_block_insn_after): New.
16792 * basic-block.h: Declare them.
16794 * bitmap.h: Protect from multiple inclusion.
16796 * recog.c (scratch_operand): Handle VOIDmode correctly.
16798 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16800 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16801 * function.c (assign_parms): Likewise.
16802 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16804 * reg-stack.c (max_uid): Remove.
16805 (blocks, block_begin, block_end, block_drops_in): Remove.
16806 (block_stack_in, block_out_reg_set, block_number): Remove.
16807 (struct block_info_def, BLOCK_INFO): New.
16808 (enum emit_where): New.
16809 (current_block): New.
16810 (BLOCK_NUM): Remove.
16811 (mark_regs_pat, record_label_references): Remove.
16812 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16814 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16815 (reg_to_stack): Simplified test for existance of fp code. Use
16816 flow.c code. Call shorten_branches after cross-jump opt.
16817 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16818 Return false if the asm doesn't use stack regs. Don't do life
16819 analysis on the asm.
16820 (emit_pop_insn): Replace function pointer arg `when' with
16821 enum `where'. Update all callers.
16822 (change_stack): Likewise. Update basic block end.
16823 (emit_swap_insn): Use current_block->head to limit reverse search
16824 for start of block. Use emit_block_insn_after.
16825 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16826 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16827 structure assignment instead of bcopy.
16828 (print_stack): New.
16829 (convert_regs_entry, convert_regs_exit): New.
16830 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16831 Work on basic blocks and the CFG.
16832 (convert_regs): Use them.
16834 * i386.c (output_fix_trunc): Remove code for DImode input operand
16835 not at top-of-stack.
16836 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16838 (fix_truncdi_1): Allow any mode scratch.
16840 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16842 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16843 * linux.h, netbsd.h, vms.h: Not here.
16845 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16847 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16848 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16849 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16850 CONDITIONAL_REGISTER_USEAGE): Use them.
16851 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16852 gen_conditional_branch,override_options) : Use them.
16853 * config/mips/mips.md : Use them.
16855 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16857 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16859 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16861 * integrate.c (function_cannot_inline_p): Don't allow inlining
16864 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16866 * c-parse.in (cast_expr): Constify.
16868 * cccp.c (special_symbol): Likewise.
16870 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16872 * dwarf2out.c (base_type_die): Likewise.
16874 * global.c (allocno_compare): Likewise.
16876 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16878 * regclass.c (fix_register): Likewise.
16880 * rtl.h (fix_register): Likewise.
16882 * stupid.c (stupid_reg_compare): Likewise.
16884 * toplev.c (decode_f_option): Likewise.
16886 * tree.c (build_complex_type): Likewise.
16888 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16890 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16892 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16894 * reload.c (find_reloads): Compute mode and nregs fields of all
16896 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16897 (calculate_needs): Use precomputed mode/nregs values.
16898 (allocate_reload_reg): Likewise.
16900 (failed_reload, set_reload_reg): ... new functions.
16901 (choose_reload_regs_init): New function, mostly broken out from...
16902 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16903 Also lose one #if 0 block.
16905 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16907 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16910 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16912 * tree.h (BLOCK_TYPE_TAGS): Remove.
16913 (BLOCK_END_NOTE): Likewise.
16914 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16915 (BLOCK_LIVE_RANGE_START): Likewise.
16916 (BLOCK_LIVE_RANGE_END): Likewise.
16917 (tree_block): Remove live_range_flag, live_range_var_flag, and
16918 type_tags. Remove end_note, live_range_start, and live_range_end.
16919 (remember_end_note): Remove prototype.
16920 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16921 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16923 * ggc-common.c (ggc_mark_tree_children): Don't mark
16924 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16925 * integrate.c (adjust_copied_decl_tree): Remove.
16926 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16927 * stmt.c (last_block_end_note): Remove.
16928 (init_stmt): Don't add a GC root for it.
16929 (expand_fixup): Don't set it.
16930 (remember_end_note): Remove.
16931 (expand_end_bindings): Don't set last_block_end_note.
16933 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16935 * reload1.c (reload_reg_free_for_value_p): Show
16936 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16939 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16941 * expmed.c (extract_bit_field): Allow for the case of non-integer
16942 objects that are smaller than a word (like SFmode on a 64-bit
16945 * loop.c (basic_induction_var): A non-integer variable which is
16946 being set by a paradoxical subreg is probably not a biv.
16948 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16950 * prefix.c (translate_name) Check for empty prefix string.
16952 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16954 * Makefile.in (CPP_CROSS_NAME): New variable.
16955 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16957 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16958 names of the files to be uninstalled.
16960 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16962 * collect2.c (IS_DIR_SEPARATOR): Define.
16963 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16965 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16968 * haifa-sched.c (add_dependence): Update the true dependency
16969 cache the first time we add a true dependence to the LOG_LINKS chain.
16971 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16973 * fold-const.c (fold): Fix comment.
16975 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16977 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16978 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16979 dbxout_start_new_source_file, dbxout_source_file,
16980 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16981 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16983 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16984 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16985 (dbxout_block): Initialize variable `blocknum'.
16987 * dbxout.h (dbxout_init, dbxout_finish,
16988 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16989 dbxout_args, dbxout_source_line): Constify a char*.
16991 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16992 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16993 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16994 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16995 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16996 src_info_attribute, mac_info_attribute, producer_attribute,
16997 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16998 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16999 dwarfout_undef): Constify a char*.
17000 (add_incomplete_type, retry_incomplete_types): Add prototypes.
17002 * dwarfout.h (dwarfout_define, dwarfout_undef,
17003 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
17005 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
17007 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
17008 (MULTILIB_ISA_DEFAULT): New.
17009 (MULTILIB_DEFAULTS): Use it.
17010 * config/mips/mips.c (): Remove the now unnecessary definition
17011 of MIPS_ISA_DEFAULT.
17012 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
17013 unnecessary definition.
17015 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
17017 * arm.md (pic_load_addr): Add constraints to operand 1.
17019 1999-10-25 Bruce Korb <autogen@linuxbox.com>
17021 * fixinc/genfixes: Provide a means for specifying -D options to
17024 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
17026 * arm.c (arm_override_options): Correct initialization of
17027 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
17028 arm_is_strong, and arm_is_6_or_7.
17030 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
17031 (note_set_pseudo_multiple_uses): New function.
17032 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
17033 if a pseudo set in the loop exit is used elsewhere.
17035 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
17037 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
17039 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
17041 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
17042 a single load-address pattern.
17044 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
17046 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
17047 depending on whether or not line-number notes are present.
17049 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17051 * cccp.c (progname, file_buf, default_include, include_file,
17052 macrodef, definition, hashval, wchar_type, user_label_prefix,
17053 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
17054 expand_to_temp_buffer, is_system_include, base_name,
17055 absolute_filename, read_name_map, open_include_file,
17056 record_control_macro, check_precompiled, check_preconditions,
17057 pcfinclude, pass_thru_directive, create_definition,
17058 check_macro_name, comp_def_part, collect_expansion,
17059 check_assertion, read_token_list, assertion_install,
17060 assertion_lookup, eval_if_expression, conditional_skip,
17061 validate_else, skip_quoted_string, quote_string, macarg1,
17062 error_from_errno, install, lookup, hashf, dump_defn_1,
17063 perror_with_name, pfatal_with_name, main, trigraph_pcp,
17064 check_white_space, rescan, handle_directive, monthnames,
17065 special_symbol, do_include, remap_include_file, write_output,
17066 arglist, do_assert, do_unassert, do_line, do_error, do_once,
17067 do_ident, do_sccs, do_xifdef, skip_if_group,
17068 output_line_directive, macroexpand, macarg, change_newlines,
17069 initialize_builtins, make_definition): Constify a char*.
17071 * pcp.h (stringdef): Likewise.
17073 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
17075 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
17078 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
17079 Richard Henderson <rth@cygnus.com>
17081 * alias.c: Include ggc.h.
17082 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
17083 (record_set): Verify enough room in reg_base_value.
17084 (init_alias_analysis): Allocate reg_base_value with xcalloc.
17085 Register it as a GC root.
17086 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
17087 * Makefile.in (alias.o): Depend on ggc.h.
17089 * unroll.c (unroll_loop): Verify the insn before a barrier
17090 is a JUMP_INSN before checking JUMP_LABEL.
17092 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17094 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
17095 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
17096 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
17097 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
17098 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
17099 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
17101 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17103 * output.h (ctors_section, dtors_section, bss_section): Prototype.
17105 * alpha/alpha-interix.h (text_section): Delete prototype.
17106 * alpha/elf.h (text_section): Likewise.
17107 * arm/linux-elf.h (text_section): Likewise.
17108 * arm/linux-telf.h (text_section): Likewise.
17109 * c4x/c4x.h (text_section): Likewise.
17110 * dsp16xx/dsp16xx.h (bss_section): Likewise.
17111 * elfos.h (text_section): Likewise.
17112 * i386/aix386ng.h (text_section): Likewise.
17113 * i386/i386-interix.h (text_section): Likewise.
17114 * i386/sco5.h (text_section): Likewise.
17115 * i386/svr3gas.h (text_section): Likewise.
17116 * nextstep.h (text_section): Likewise.
17117 * psos.h (text_section): Likewise.
17118 * ptx4.h (text_section): Likewise.
17119 * svr3.h (text_section): Likewise.
17120 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
17122 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17124 * final.c (peephole): Delete prototype.
17126 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
17127 (pre_insert_copies): Remove unused variable `bb'.
17129 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
17132 * output.h (peephole): Add prototype.
17134 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
17136 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
17139 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
17141 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
17142 for inlined declarations.
17144 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
17146 * arm.c (logical_binary_operator): New fucntion.
17147 * arm.h (logical_binary_operator): Declare it.
17148 (PREDICATE_CODES): Handle logical_binary_operator.
17149 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
17150 output constraints. Add appropriate splitters.
17151 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
17152 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
17153 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
17155 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17157 * genoutput.c (struct operand_data): New elt eliminable.
17158 (output_operand_data): Write it.
17159 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
17160 (compare_operands): Take it into account.
17161 * recog.h (struct insn_operand_data): New elt eliminable.
17162 * reload1.c (check_eliminable_occurrences, elimination_effects): New
17164 (old_asm_operands_vec, new_asm_operands_vec): Delete.
17165 (eliminate_regs): Move code that detects changes to elimination
17166 target regs into new function elimination_effects.
17167 Delete one #if 0 block.
17168 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
17169 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
17170 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
17171 Only call eliminate_regs for real operands of the insn, not for parts
17172 of its structure or parts matched by things like match_operator.
17173 Use elimination_effects and check_eliminable_occurrences. Use
17174 copy_insn to duplicate the pattern when not in the final pass.
17176 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
17178 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
17181 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17183 * fixinc/README: document the "mach" machine matching test
17184 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17185 * fixinc/fixtests.c: Implement the #else/#endif label test
17186 * fixinc/inclhack.def: utilize these tests and fixes
17187 * fixinc/inclhack.sh: regen
17188 * fixinc/fixincl.x: regen
17189 * fixinc/fixincl.sh: regen
17191 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17193 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17196 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17198 * gcc.1: Document exit codes.
17200 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17202 * calls.c: Include tm_p.h later, so everything we need is defined.
17203 * expr.c: Likewise.
17204 * function.c: Likewise.
17206 * except.c: Include tm_p.h.
17208 * sparc.c: Likewise.
17209 (dwarf2out_cfi_label): Don't prototype.
17210 (check_return_regs, epilogue_renumber,
17211 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17212 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17213 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17214 ultra_schedule_insn): Add static prototype.
17215 (data_segment_operand, text_segment_operand): Call itself with the
17216 proper number of arguments.
17217 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17219 * sparc.h: Move all declarations to sparc-protos.h.
17220 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17223 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17225 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17227 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17228 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17229 ASM_OUTPUT_ASCII): Constify a char*.
17231 * sparc-protos.h: New file for sparc prototypes.
17233 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17235 * function.c (record_insns, contains): Always declare and define.
17236 (record_insns): Mark with ATTRIBUTE_UNUSED.
17238 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17240 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17241 to .section when outputting a .bss section to deal with multiple
17242 .bss input sections (as happens with -fdata-sections)
17243 Also output %progbits, not @progbits so the assembler doesn't treat as
17245 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17247 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17248 thumb parts even when building with non-thumb CPUs, by forcing
17251 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17253 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17254 (movdf_const_intreg_sp64): Similarly.
17256 * local-alloc.c (update_equiv_regs): Check the correct insn
17257 for pre-existing REG_EQUIV notes.
17259 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17261 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17262 block reached by a branch if we're not going to actually process
17265 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17267 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17268 a local extern function declaration.
17270 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17272 * i386.c (ix86_expand_prologue): Properly wrap USE around
17273 reg for CALL_INSN_FUNCTION_USAGE.
17275 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17277 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17278 move between GP_REGs.
17280 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17282 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17283 the mode size when finding out if an offset is legal.
17285 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17287 * basic-block.h (PROP_*): Move constants from ...
17288 * flow.c: ... here.
17289 (compute_bb_for_insn): Free the array before reallocating.
17290 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17291 (allocate_reg_life_data): Reset all reg variables collected by
17293 (get_block_head_tail): Don't convert from bb to block.
17294 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17295 (find_insn_reg_weight): Take block not bb.
17296 (schedule_block): Don't set block num for moved insns.
17297 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17298 (schedule_insns): Do it here instead.
17299 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17300 before update_life_info.
17301 * recog.c (split_all_insns, peephole2_optimize): Update for
17302 new arg to update_life_info.
17303 * rtlanal.c (remove_note): Cope with NULL note.
17304 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17307 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17309 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17311 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17312 block records so that merge_blocks_nomove will clean up correctly.
17313 (split_edge): Handle casesi insns.
17315 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17317 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17319 * pa.md (call, call_value): Do not emit a blockage after restoring
17322 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17324 * c-typeck.c (c_expand_asm_operands): Fix typo.
17326 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17328 * arm.c (fpu_rhs_operand): Verify modes.
17329 (fpu_add_operand): Likewise.
17330 (di_operand): Likewise.
17331 (soft_df_operand): Likewise.
17333 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17335 * arm.c (arm_return_in_memory): APCS rules state that the elements
17336 of a structure returned in a register must be 'integer-like'.
17338 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17340 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17341 in the source tree when the generated targets are out of date
17342 * fixinc/genfixes: Alter it to run individual fixes for make.
17343 * fixinc/README: rewrite
17344 * fixinc/inclhack.def: moved initial comments to README
17346 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17348 * toplev.c (main): Do not generate an error message if an
17349 unrecognised command line switch is recognisable by another
17350 language. If extra_warnings are enabled, then generate a
17351 warning message instead.
17353 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17355 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17356 (insert_pack_attributes): Delete prototype.
17358 * c-pragma.c (default_alignment): New static variable.
17359 (push_alignment): Initialize to current effective alignment.
17360 (pop_alignment): Use to set new alignment.
17361 (insert_pack_attributes): Delete function.
17362 (handle_pragma_token): Set default_alignment as well each time
17363 a #pragma pack(<n>) is encountered.
17365 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17367 * reg-stack.c (stack_result): Aggregates are not returned in
17370 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17372 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17374 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17376 * basic-block.h (set_block_num): Declare.
17377 * flow.c (update_life_info): Don't call compute_bb_for_insn
17378 or free_basic_block_vars.
17379 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17380 (insn_orig_block): Remove.
17381 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17382 (schedule_block): Keep BLOCK_NUM up-to-date.
17383 (schedule_insns): Use compute_bb_for_insn.
17384 * recog.c (split_all_insns): Likewise.
17385 (peephole2_optimize): Likewise.
17387 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17389 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17390 if the pic register is used.
17392 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17394 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17395 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17396 if that tests TREE_PERMANENT.
17398 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17400 * cse.c (invalidate_for_call): Do not remove memory references from
17401 the table here. It's handled elsewhere.
17403 * haifa-sched.c (add_dependence): Protect references to the
17404 true dependency cache with #ifdef INSN_SCHEDULING.
17405 (remove_dependence): Similarly.
17407 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17408 to the cfg code that this is a return instruction.
17409 * mn10300.md (return_internal): Similarly.
17411 * combine.c (get_last_value): If the last set of a register
17412 is after subst_low_cuid, then we can not use it to determine
17413 the register's last value.
17415 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17417 * Makefile.in: Back out previous change.
17419 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17421 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17423 * haifa-sched.c (add_dependence): Only check/update the cache
17425 (remove_dependence): Likewise.
17426 (schedule_insns): Only create the true_dependency_cache if the
17427 average number of instructions in a basic block is very large.
17429 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17431 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17432 (ggc-simple.o): Likewise.
17433 (ggc-page.o): Likewise.
17435 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17437 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17438 Prototype for exported functions.
17439 (pre_lcm, pre_rev_lcm): Remove prototypes.
17440 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17441 (compute_available): Move to lcm.c, and change parameter order.
17442 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17443 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17444 (gcse_main): No longer call compute_preds_succs. Rebuild the
17445 set table after reach pre pass.
17446 (pre_insert_map, pre_delete_map, edge_list): New.
17447 (alloc_pre_mem): Allocate edge vectors.
17448 (free_pre_mem): Delete edge vectors.
17449 (compute_pre_data): Call new edge based lcm routines.
17450 (process_insert_insn): New function.
17451 (insert_insn_end_bb): Use it.
17452 (pre_edge_insert): New function.
17453 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17455 (pre_insert_copies): Revamp using new edge based lcm outputs.
17456 (pre_delete): Likewise.
17457 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17459 (compute_code_hoist_vbeinout): New new edge based routines.
17460 * lcm.c: Remove all the old LCM functions. Replace with new ones
17461 that work with the new cfg datastructures and work with edges
17464 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17466 * reload.h (struct reload): Add new fields "mode" and "nregs".
17467 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17468 to reference the "mode" and "nregs" field within struct reload.
17470 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17472 * haifa-sched.c (true_dependency_cache): New.
17473 (add_dependence): Use the true dependency cache to avoid expensive
17474 walks down the LOG_LINKS dependency list. Add entries to the
17475 cache as necessary.
17476 (remove_dependence): Remove entries from the true dependency cache
17478 (schedule_insns): Allocate and initialize and free the true
17481 * haifa-sched.c (schedule_insns): Do not remove inter-block
17482 dependencies anymore.
17484 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17486 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17487 * i386/t-winnt: Likewise.
17489 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17491 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17493 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17495 * Makefile.in (LANGUAGES): Omit "proto".
17496 (clean): Remove stale comment about removing unprotoize.c.
17498 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17500 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17501 using arithmetic on void pointers.
17503 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17505 * haifa-sched.c (compute_block_forward_dependencies): Only check
17506 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17508 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17510 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17511 (expr_equiv_p): Reject memories with different alias sets.
17513 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17515 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17516 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17517 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17518 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17519 (lang_init): Set default for flag_bounds_check if still "unspecified".
17521 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17523 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17525 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17527 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17530 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17532 * config/c4x/c4x.md (*db_noclobber,
17533 *decrement_and_branch_until_zero_noclobber): New patterns and
17534 associated splitters.
17536 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17538 * config/c4x/c4x.md (parallel instruction patterns): Rework
17539 constraints to keep reload happy.
17541 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17543 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17544 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17545 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17546 Add new patterns and associated post-reload splitters.
17548 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17550 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17552 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17554 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17556 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17558 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17560 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17563 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17565 * pa.c (move_operand): Rely on memory_address_p to determine the
17566 validity of non-indexed memory addresses.
17567 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17568 operand in DFmode and SFmode when generating PA2.0 code.
17570 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17572 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17574 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17576 * mips.c (function_prologue): Fix argument types.
17577 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17578 (casesi_internal): Write to the scratch register.
17580 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17582 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17584 (parse_charconst): Delete unnecessary cast when calling
17586 (cpplib.h): Kill prototype of cpp_parse_escape.
17588 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17590 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17591 * unroll.c (unroll_loop): Cast return value of alloca.
17592 * i370/i370.c: Include function.h and toplev.h.
17593 (i370_label_scan): Remove c++ commented abort.
17594 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17595 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17596 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17597 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17599 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17601 * config/t-freebsd: Do not override USER_H.
17602 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17604 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17605 Mumit Khan <khan@xraylith.wisc.edu>
17607 * c-parse.in (component_decl): Support anonymous struct/union.
17609 * c-parse.y: Regenerate.
17610 * c-parse.c: Likewise.
17611 * objc/objc-parse.y: Likewise.
17612 * objc/objc-parse.c: Likewise.
17613 * c-decl.c (finish_struct): Don't sort the fields.
17614 (field_decl_cmp): Delete unused function.
17616 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17618 * sparc.md (movsf_const_intreg): Revert last constraint change.
17619 (movdf_const_intreg_sp32): Likewise.
17621 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17623 * cse.c: Include hashtab.h instead of splay-tree.h
17624 (struct cse_reg_info): No longer use variant union. Add new
17625 field "regno". All references changed to avoid union.
17626 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17627 (free_cse_reg_info): Remove.
17628 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17629 (get_cse_reg_info): Revamp to use expandable hash tables instead
17630 of splay trees. Initialize new fields in cse_reg_info structure.
17631 (new_basic_block): Similarly.
17633 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17635 * genrecog.c (message_with_line): Prototype.
17636 (validate_pattern): Pass along the set for the dest, not a flag.
17637 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17638 Check for PC/CC0 as sources.
17639 (nodes_identical): Check for children position match before
17640 allowing the combination.
17642 * rtl.c (read_rtx): Track line number across \\\n.
17644 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17646 * mips.h (SPECIAL_MODE_PREDICATES): New.
17647 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17648 (movdi+1, movsi+1): Add output reload constraint.
17649 (casesi_internal): Likewise. Fix commentary.
17650 (return_internal): Use pmode_register_operand.
17652 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17654 * 1750a.md (movstrqi): Add missing output reload constraint.
17655 (call_value): Likewise.
17656 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17657 (jmpfdec): Add missing inout reload constraint.
17658 * elxsi.md (addsi patterns): Add missing output reload constraint.
17659 (move from sp): Use @ alternates.
17660 (call_value): No constraint on output.
17661 * fr30.md (movsi_pop): Add missing output reload constraint.
17662 (movsf_constant_store): Likewise.
17663 (splits): Remove constraints.
17664 (subsi3): Add missing mode.
17665 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17666 (call_value): Likewise.
17667 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17668 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17669 * m32r.md (movsicc_internal): Add output reload constraint.
17670 (movstrsi_internal): Add inout reload constraints.
17671 * m88k.h (reg_names): Don't declare.
17672 (SPECIAL_MODE_PREDICATES): New.
17673 * m88k.md (*): Use register_operand not reg_or_0_operand
17675 * mn10200.h (PREDICATE_CODES): New.
17676 * ns32k.md (ffs pattern): Add output reload constraint.
17677 * pdp11.md (sob pattern): Add inout reload constraint.
17678 * sh.md (splits): Remove constraints.
17679 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17680 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17681 * vax.md (jgequ pattern): Add inout reload constraint.
17683 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17685 * configure.in (djgpp): Revert previous patch.
17686 * configure: Rebuit.
17687 * config/i386/djgpp.h: Revert previous patch.
17689 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17691 * fixinc/inclhack.def: Restore patch lost during last merge of
17692 "no_bogosity" branch.
17693 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17695 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17697 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17698 * fixinc/inclhack.def: Same.
17699 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17701 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17703 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17704 as the base of a PLUS.
17706 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17708 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17709 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17711 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17713 * pa.md (post_stw+1): Use pmode_register_operand.
17714 (dcacheflush, icacheflush): Likewise.
17716 * i386.md (movstricthi_1): Allow r/r.
17718 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17720 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17721 to (not (and (arg0) (arg1))). Similary for and.
17723 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17724 fallthrough to associate code.
17725 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17728 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17729 no bits in common; remove XOR to ROTATE conversion.
17731 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17733 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17735 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17737 * config/c4x/c4x.c (dst_operand): New.
17738 (PREDICATE_CODES): Update.
17739 * config/c4x/c4x.h (dst_operand): Declare it.
17740 * config/c4x/c4x.md: Define mode for each unspec usage.
17741 (move patterns): Use dst_operand predicate instead of src_operand.
17742 (movqi_update, movqf_update): Delete.
17744 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17746 * recog.c (pmode_register_operand): New.
17747 * recog.h: Declare it.
17748 * genrecog.c (pred_codes): Likewise.
17749 (special_mode_pred_table): Likewise.
17750 (validate_pattern): Don't warn no mode for address_operand.
17752 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17753 if the operand is not insn-like.
17755 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17756 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17758 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17760 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17762 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17763 instead of general_operand in a SET_DEST. Use const_double_operand
17764 instead of an explicit test against CONST_DOUBLE.
17765 (movsf_const_lo): Add missing register mode.
17766 (goto_handler_and_restore): Add auxiliary test for Pmode.
17767 (flush): Adjust to use address_operand.
17768 (return_sf_no_fpu): Add missing output constraint.
17770 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17772 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17773 for call return value.
17774 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17776 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17778 * toplev.c (main): Only warn about options for other languages.
17779 * collect2.c (main): Pass -w to sub-gcc.
17781 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17783 * flow.c (propagate_block): Add call-clobbered registers to
17786 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17787 zapping mem_set_list.
17788 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17789 (mark_set_1, mark_used_regs): Likewise.
17791 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17793 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17795 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17797 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17798 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17799 options. Also add a new item "C-only Warning Options" to the
17802 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17804 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17805 from multiple calls.
17807 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17809 * i386.md (call value patterns): Move to the end of the file.
17810 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17812 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17814 * configure.in (djgpp configuration): Define extra_objects..
17815 * configure: Rebuilt.
17816 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17817 (DTORS_SECTION_ASM_OP): Define.
17818 (INIT_SECTION_ASM_OP): Define.
17819 (FINI_SECTION_ASM_OP): Define.
17820 (DATA_SECTION_ASM_OP): Define.
17821 (TEXT_SECTION_ASM_OP): Define.
17822 (EH_FRAME_SECTION_ASM_OP): Define.
17823 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17824 (STARTFILE_SPEC): Add crtbegin.o.
17825 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17826 to here from LINK_COMMAND_SPEC.
17827 (DO_GLOBAL_CTORS_BODY): Define.
17828 (CRTSTUFF_USE_FINI_SECTION): Define
17829 (HAS_INIT_SECTION): Delete.
17831 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17833 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17835 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17837 * pa.h (PREDICATE_CODES): New.
17839 * genrecog.c (validate_pattern): Condense the destination
17840 non-lvalue message.
17842 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17844 * alpha.md (call-1): Supply missing mode for operator.
17845 (*): Add missing output reload constraints. Remove constraints
17846 from define_splits.
17848 * i386.h (SPECIAL_MODE_PREDICATES): New.
17849 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17850 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17851 (addsi_lea_3): Add missing mode for op 3.
17852 (prologue_set_got, prologue_get_pc): Add missing modes.
17853 (*) Add missing output reload constraints.
17855 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17857 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17858 check for member bit-size overflow and use var_size if it occurs.
17859 (layout_record): Use bitsize_int() to define the type size in bits.
17860 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17861 (layout_decl): Likewise when assigning to DECL_SIZE.
17863 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17865 * genrecog.c (validate_pattern): Typo last change. Verify
17866 that output operands have output reloads.
17868 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17870 * genrecog.c (special_mode_pred_table): New.
17871 (NUM_SPECIAL_MODE_PREDS): New.
17872 (find_operand): New.
17873 (validate_pattern): New argument `insn'. Warn for assignment to
17874 any predicate accepting non-lvalues. Conditionaly warn for
17875 match_operand without a mode. Try much harder to match source
17876 and destination modes on a set.
17877 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17879 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17881 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17883 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17885 * combine.c (simplify_logical): Recognize xor pattern that encodes
17888 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17890 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17893 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17895 * ggc-page.c (MAP_FAILED): Provide default.
17897 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17899 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17900 * sparc.h (PREDICATE_CODES): Update.
17902 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17904 * alpha.c (some_ni_operand): New.
17905 * alpha-protos.h: Declare it.
17906 * alpha.h (PREDICATE_CODES): Update.
17907 * alpha.md (sXaddq reload insns): Use some_ni_operand
17908 for SET_DEST instead of some_operand.
17910 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17911 Jim Wilson <wilson@cygnus.com>
17913 * genrecog.c (maybe_both_true_2): Don't compare modes of
17915 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17916 after find_afterward.
17917 (debug_decision_1): Dump next and afterward codes.
17919 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17921 * rtl.c (dump_and_abort): Remove.
17922 (fatal_with_file_and_line): New.
17923 (fatal_expected_char): New.
17924 (read_rtx_lineno, read_rtx_filename): New.
17925 (read_skip_spaces): Track line number.
17926 (read_name): Use fatal_with_file_and_line.
17927 (read_rtx): Use fatal_expected_char. Track line number.
17928 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17930 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17931 if it isn't a CODE_LABEL.
17933 * genattr.c (main): Set read_rtx_filename.
17934 * genattrtab.c (main): Likewise.
17935 * gencodes.c (main): Likewise.
17936 * genconfig.c (main): Likewise.
17937 * genemit.c (main): Likewise.
17938 * genextract.c (main): Likewise.
17939 * genflags.c (main): Likewise.
17940 * genopinit.c (main): Likewise.
17941 * genoutput.c (main): Likewise.
17942 * genpeep.c (main): Likewise.
17944 * genrecog.c (decision_test.u.insn): Add `lineno'.
17945 (pattern_lineno, error_count): New variables.
17946 (message_with_line): New.
17947 (add_to_sequence): Break out checking code to ...
17948 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17949 (merge_insn): Use message_with_line.
17950 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17951 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17953 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17955 * expr.c (store_constructor): Clear union if constructor is empty.
17957 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17959 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17960 Add !endian checks. Change %{...} to %(...).
17962 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17964 * i386.md (*addsi3_cc): Renamed from addcsi3.
17965 (*addsi3_carry): Renamed from addxsi3.
17966 (*subsi3_cc): Renamed from subcsi3.
17967 (*subsi3_carry): Renamed from subxsi3.
17968 (*xorqi_cc_1): Renamed from xorcqi_1.
17969 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17970 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17972 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17974 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17975 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17977 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17979 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17980 climb up the chain of insns.
17982 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17984 * genrecog.c (write_subroutine): Careful for null trees.
17985 (process_tree): Don't elide empty functions.
17987 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17989 * Makefile.in (genrtl.o): Depend on ggc.h.
17990 * configure.in (valloc): Probe for it.
17991 (with-gc): Use ggc-page if valloc present.
17992 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17993 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17994 (ggc_alloc_string): Moved from ggc-page.c.
17995 * ggc-none.c (ggc_alloc_obj): New.
17996 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17997 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17998 (struct globals): Likewise for dev_zero_fd.
17999 (init_ggc): Likewise for it's initialization.
18000 (ggc_allocated_p): Move careful dereference from ...
18001 (ggc_lookup_page_table): ... here. Delete.
18002 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
18003 (alloc_anon): Use valloc if no mmap.
18004 (release_pages): Use free if using valloc.
18005 (ggc_alloc_obj): Renamed from alloc_obj.
18006 (ggc_set_mark): Renamed from mark_obj.
18007 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
18008 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
18009 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
18010 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
18011 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
18012 (ggc_collect): Use fp printing instead of our own rounding.
18013 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
18014 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
18015 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
18016 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
18017 (struct ggc_string, struct ggc_any): Delete.
18018 (offsetof): Provide default definition.
18019 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
18021 (struct ggc_mem): New, from corpse of ggc_any.
18022 (struct ggc_status): Delete.
18023 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
18024 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
18025 (n_strings_collected, n_anys_collected): Delete.
18026 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
18027 (ggc_alloc_string, ggc_alloc): Delete.
18028 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
18029 (ggc_free_string, ggc_free_any): Delete.
18030 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
18031 (ggc_compare_addresses, ggc_mark_string): Delete.
18032 (ggc_mark_string_if_gcable, ggc_mark): Delete.
18033 (search_data): Delete.
18034 (struct globals): New.
18035 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
18036 (tree_insert, tree_lookup): New.
18037 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
18038 (clear_marks, sweep_objs): New.
18039 (ggc_collect): Gut. Use clear_marks, sweep_objs.
18040 (init_ggc): Set allocated_last_gc.
18041 (ggc_push_context): Gut. Use G.context.
18042 (ggc_pop_context): Likewise.
18043 (ggc_pop_context_1): New.
18044 (debug_ggc_tree): New.
18045 (debug_ggc_balance, tally_leaves): New.
18046 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
18047 (ggc_mark_string_if_gcable): Remove decl.
18048 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
18049 (ggc_mark_rtvec_children): New.
18050 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
18051 (ggc_mark_if_gcable): New decl.
18052 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
18053 (ggc_alloc_tree, ggc_alloc): Likewise.
18054 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
18055 (ggc_alloc_obj): New decl.
18056 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
18057 (ggc_alloc_tree, ggc_alloc): Likewise.
18058 (ggc_set_mark): New decl.
18059 * rtl.h (struct rtx_def): Remove gc_mark.
18060 (struct rtvec_def): Likewise.
18061 * tree.h (struct tree_common): Likewise.
18063 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
18065 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
18066 float_format and thread_file definitions.
18067 * configure: Rebuilt.
18069 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
18071 * extend.texi (Function Names): Document types of function names.
18073 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18075 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18076 an earlyclobbered output conflict with RELOAD_INPUT reloads.
18078 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18080 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
18082 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18084 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
18086 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
18088 * collect2.c (main): Do prelimnary link on AIX if rflag.
18090 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18092 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
18093 __CTOR_LIST__ in opposite order, which is the correct order for sorted
18095 (__do_global_dtors): similarly for __DTOR_LIST__.
18097 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18098 Diego Novillo <dnovillo@cygnus.com>
18100 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
18103 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
18105 * fixincl/*: Merged "no_bogosity" branch
18106 * fixincl/fixlib.h: protect against doubly defining t_bool
18107 * fixincl/server.h: protect against doubly defining t_bool
18109 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
18111 * genoutput.c: Include toplev.h.
18113 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
18115 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
18117 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
18118 * configure: Regenerate.
18120 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18122 * gcse.c (delete_null_pointer_checks): Returns void.
18124 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18126 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
18127 * emit-rtl.c (copy_insn_1): Likewise.
18129 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18131 * config/mips/mips.c (mips_build_va_list): Correct
18132 TREE_CHAIN setting when hard-float.
18133 (mips_va_start): Use corrected setting.
18134 (mips_va_arg): Likewise. Also pass a tree to build of
18135 POSTINCREMENT_EXPR rather than a naked 'int'.
18137 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
18139 * ggc.h (ggc_push_context): Fix comment.
18140 (ggc_pop_context): Likewise.
18141 (mark_string_if_gcable): Likewise.
18142 * ggc-common.c (ggc_mark_rtx_children): Use
18143 ggc_mark_string_if_gcable.
18144 * ggc-page.c (ggc_lookup_page_table): New function.
18145 (ggc_allocated_p): Likewise.
18146 (mark_obj): Fix formatting.
18147 (ggc_mark_string_if_gcable): New function.
18148 * ggc-simple.c (ggc_allocated_strings): New variable.
18149 (ggc_strings_used): Likewise.
18150 (ggc_compare_addresses): New function.
18151 (ggc_pop_context): Pop the `any' memory too.
18152 (ggc_mark_string_if_gcable): New function.
18153 (ggc_collect): Initialize and tear down ggc_allocated_strings.
18155 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
18157 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
18158 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
18159 * rs6000.c (expand_block_move): Match movstrsi_?reg register
18162 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
18164 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
18165 (sched_reg_live_length, sched_reg_basic_block): Delete.
18166 (current_block_num, bb_live_regs, old_live_regs): Delete.
18167 (dead_notes, struct sometimes): Delete.
18168 (sched_note_set, birthing_insn_p): Delete.
18169 (adjust_priority): Gut useless reg lifetime code.
18170 (create_reg_dead_note, attach_deaths): Delete.
18171 (attach_deaths_insn, new_sometimes_live): Delete.
18172 (finish_sometimes_live): Delete.
18173 (find_pre_sched_live, find_post_sched_live): Delete.
18174 (update_reg_usage): Delete.
18175 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
18176 (schedule_insns): Delete reg lifetime code.
18177 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
18178 (unlink_other_notes): Adjust REG_NOTE commentary.
18179 (reemit_notes): Use REG_SAVE_NOTE.
18180 (schedule_block): Likewise.
18181 (schedule_region): Allocate bitmap of blocks in region. Use
18182 count_or_remove_death_notes. Use update_life_info.
18184 * rtl.h (REG_SAVE_NOTE): New.
18185 * rtl.c (reg_note_name): Update.
18187 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18189 * combine.c (refresh_blocks, need_refresh): New.
18190 (combine_instructions): Allocate refresh_blocks. Invoke
18191 update_life_info if needed.
18192 (distribute_notes): Mark refresh_blocks instead of installing
18194 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18195 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18197 * Makefile.in (recog.o): Depend on basic-block.h.
18199 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18201 * genrecog.c (add_to_sequence): Thinko last change: delete
18202 shadowing allow_const_int variable.
18204 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18206 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18207 __GNUC__ and __GNUC_MINOR__.
18209 * gansidecl.h: Likewise.
18215 * toplev.h: Likewise.
18217 * tree.c: Likewise.
18219 * tree.h: Likewise.
18221 * varray.c: Likewise.
18223 * varray.h: Likewise.
18225 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18227 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18228 use one before a jump table.
18230 * rtl.def (ADDRESS): Change documentation to match reality.
18231 * md.texi: Don't document it.
18232 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18235 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18237 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18239 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18240 known predicate block; default allow_const_int true.
18241 (debug_decision_list): New.
18243 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18245 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18247 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18249 * gcse.c (gcse_main): Avoid global optimizations if we have a
18250 large number of basic blocks and the ratio of edges to blocks
18252 (delete_null_pointer_checks): Likewise.
18254 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18256 * c-common.c (check_format_info): Warn if format string isn't a
18259 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18261 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18262 * configure: regenerate
18264 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18266 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18267 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18268 (peepholes): Re-enable.
18270 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18272 * Makefile.in (flow.o): Depend on TREE_H.
18273 * basic-block.h (REG_SET_EQUAL_P): New.
18274 (XOR_REG_SET): New.
18275 (n_edges): Declare.
18276 (free_regset_vector): Remove declaration.
18277 (flow_delete_insn_chain): Declare.
18278 (enum update_life_extent): New.
18279 (update_life_info, count_or_remove_death_notes): Declare.
18280 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18281 Verify register live at bb->global_live_at_start before adding USE.
18282 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18283 (CLEAN_ALLOCA): New.
18285 (PROP_*): New flags.
18286 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18287 (clear_edges): Zero n_edges.
18288 (make_edge): Increment n_edges.
18289 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18290 (flow_delete_insn_chain): Export.
18291 (delete_block): Decrement n_edges.
18292 (merge_blocks_nomove): Likewise.
18293 (life_analysis): Give life_analysis_1 PROP flags.
18294 (verify_wide_reg_1, verify_wide_reg): New.
18295 (verify_local_live_at_start): New.
18296 (update_life_info): Rewrite to call into propogate_block.
18298 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18299 always mark stack pointer. Conditionally mark PIC register.
18300 After reload, mark call-saved registers, return regsiters.
18301 (life_analysis_1): Accept PROP flags not remove_dead_code.
18302 Call mark_regs_live_at_end before zeroing regs_ever_live.
18303 Use calculate_global_regs_live. Copy global_live_at_end before
18304 calling final propagate_block. Zero reg_next_use on exit.
18305 (calculate_global_regs_live): New.
18306 (allocate_bb_life_data): Don't allocate bb->local_set.
18307 (init_regset_vector, free_regset_vector): Remove.
18308 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18309 Test flags before every operation. Warn if prologue/epilogue insn
18310 would have been deleted.
18311 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18312 Use alloc_EXPR_LIST.
18313 (mark_used_regs): Accept and use FLAGS, not FINAL.
18314 Remove special handling for RETURN.
18315 (try_pre_increment): Use alloc_EXPR_LIST.
18316 (dump_flow_info): Dump n_edges.
18317 (unlink_insn_chain, split_hard_reg_notes): Remove.
18318 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18319 (find_insn_with_note, new_insn_dead_notes): Remove.
18320 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18321 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18322 (replace_insns): Remove.
18323 (count_or_remove_death_notes): New.
18324 (verify_flow_info): Abort on error after all checks.
18325 (remove_edge): Decrement n_edges.
18326 (remove_fake_edges): Tweak format.
18327 * haifa-sched.c (schedule_insns): Use split_all_insns.
18328 * output.h (update_life_info): Remove declaration.
18329 * recog.c (split_all_insns): From the corpse of split_block_insns,
18330 do the whole function block by block. Use update_life_info.
18331 (recog_last_allowed_insn): New.
18332 (recog_next_insn): Mind it.
18333 (peephole2_optimize): Set it. Walk backwards through blocks.
18334 Use update_life_info.
18335 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18336 (split_all_insns): Declare.
18337 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18338 Use split_all_insns.
18340 * i386.md (or -1 peep2s): Disable.
18342 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18344 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18345 a single pattern. Scrap the 'd' versions as unnecessary.
18347 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18348 tablejump_mips162,tablejump_internal4): The operands to a
18349 label_ref must be VOIDmode.
18351 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18353 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18355 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18357 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18359 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18361 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18362 cache every function if ggc_p.
18364 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18366 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18367 instead of copy_rtx. Accept sequences that contain asm statements.
18368 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18369 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18370 orig_asm_operands_vector, copy_asm_operands_vector,
18371 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18373 * rtl.h (copy_insn, copy_insn_1): Declare.
18375 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18377 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18379 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18380 arguments to `current_file_function_operand'.
18382 * genrecog.c: Include hard-reg-set.h and resource.h in the
18383 generated output file.
18385 * real.c: Include tm_p.h.
18387 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18389 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18392 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18394 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18395 before the fctiwz insn.
18397 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18398 Mark Mitchell <mark@codesourcery.com>
18400 * tree.c (make_lang_type_fn): New funtion pointer.
18401 (make_lang_type): Call it.
18402 * tree.h (make_lang_type): Declare.
18403 (make_lang_type_fn): Likewise.
18404 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18406 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18408 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18409 make sure that HIGH instructions are copied into BASE_REGS.
18411 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18413 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18415 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18417 * c-decl.c (finish_struct): Use simpler method of
18418 removing elements of a singly-linked list.
18420 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18422 * alpha.md (peephole2's): Comment out peephole2's that generate
18425 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18427 * genrecog.c (add_to_sequence): Disable mode check for
18430 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18432 * ggc-simple.c (init_ggc): Set empty_string.
18434 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18436 * configure.in: Detect mmap. Add --with-gc=foo to select
18437 garbage collector; default to page if mmap available.
18438 * Makefile.in (GGC): Substitute.
18440 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18442 * c-decl.c (ggc_p): Enable.
18444 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18446 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18448 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18450 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18451 string for little-endian-data.
18453 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18455 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18456 case somebody tries to compile --enable-checking code with gcc
18459 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18461 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18464 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18466 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18467 * jump.c (jump_optimize_1): Document why.
18469 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18471 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18472 pointers and casts for `int_handler' and `quit_handler'.
18474 * flow.c (verify_flow_info, split_hard_reg_notes,
18475 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18476 remove_edge, remove_fake_successors): Add static prototypes.
18477 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18478 (mark_set_1): Initialize variable `regno'.
18479 (unlink_insn_chain): Likewise for variable `curr'.
18480 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18482 * loop.c (strength_reduce): Initialize variable
18483 `unrolled_insn_copies'.
18484 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18485 prototypes. Change these functions to take const PTR parameters
18486 to avoid prototype conflict when used as the comparson argument
18488 (check_dbra_loop): Initialize variable `comparison_val'.
18490 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18491 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18492 (find_valid_class): Initialize variable `best_class'.
18493 (find_reloads): Call memcpy, not bcopy.
18495 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18496 (hard_reg_use_compare): Don't needlessly cast away const.
18497 (reload_reg_class_lower): Likewise.
18498 (choose_reload_regs): Initialize variable `regno'.
18500 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18502 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18504 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18506 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18507 ({,d}discard): Add forward declarations. Declare parameter as
18509 (main_without_main): Explicitly declare return type to be int.
18510 (memcpy): Properly declare.
18512 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18513 building the trampoline support, declare malloc, free, and
18515 (__clear_cache): Mark arguments as potentially unused.
18517 * frame.c (toplevel): If inhibit_libc is defined, declare
18520 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18522 * flow.c (make_edge): Accept an optional 2D bitmap in which
18523 to cache edge existence. Update all callers.
18524 (make_label_edge, make_eh_edge): Pass through the edge cache.
18525 (make_edges): Provide the cache.
18527 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18529 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18531 (local_mbtowc): Change the type of variable `i' from int to size_t.
18533 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18534 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18536 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18538 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18539 after other includes that define the appropriate types. Include
18540 tm_p.h for getting user prototypes.
18541 * ggc-callbacks.c (toplevel): Ditto.
18542 * ggc-none.c (toplevel): Ditto.
18543 * gcc-page.c (toplevel): Ditto.
18544 * ggc-simple.c (toplevel): Ditto.
18546 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18547 Jonathan Larmour <jlarmour@cygnus.co.uk>
18549 * config/mips/mips.c (mips_move_2words): Split doubles if
18550 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18552 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18554 * genrecog.c (struct decision_test): New.
18555 (struct decision): Remove test-related members, sort the rest by size.
18556 (IS_SPLIT): Simplify.
18557 (new_decision, new_decision_test): New.
18558 (add_to_sequence): Use them. No special handling for args of
18560 (maybe_both_true): Renamed from not_both_true; return sense changed.
18561 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18562 of maybe_both_true and adjusted for decision_test.
18563 (position_merit): Remove.
18564 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18565 (merge_accept_insn): New, broken out of merge_trees.
18566 (merge_trees): Use them. No special case for c_test; no node
18567 splitting; use test type instead of position_merit.
18568 (factor_tests): New.
18569 (simplify_tests): New.
18570 (break_out_subroutines): Don't write code now.
18571 (find_afterward): New.
18572 (write_afterward, write_switch, write_cond): New.
18573 (write_action, is_unconditional): New.
18574 (write_node): New. Use them.
18575 (write_tree_1): Rewrite. Use the new functions above.
18576 (write_tree): Remove afterward processing.
18577 (write_subroutine): Simplify function variant emission.
18578 (write_subroutines): New.
18579 (same_codes, clear_codes): Remove.
18580 (same_modes, clear_modes): Remove.
18581 (write_header): New, broken out of main.
18582 (make_insn_sequence): Use new_decision and new_decision_test.
18583 (process_tree): New, broken out of main.
18584 (main): Adjust for merge_trees interface change.
18585 Don't #define operands in the output file.
18586 (record_insn_name): New, broken out of make_insn_sequence.
18587 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18588 (debug_decision): New.
18590 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18592 * resource.c (find_free_register): Mark class_str argument const.
18593 * resource.h: Update prototype to match.
18595 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18596 * i386.md: Give all anonymous insns names.
18598 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18600 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18603 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18605 * toplev.c (dbr_sched_time): Unconditional.
18606 (peephole2_time): New.
18607 (compile_file): Add pass numbers to all of the dump file suffixes.
18608 Dump peephole2_time. Don't dump times for non-applicable passes.
18609 (rest_of_compilation): Add pass numbers to dump file suffixes.
18610 Conditionalize calls to the scheduler.
18611 * invoke.texi: Update.
18613 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18615 * flow.c (make_edges): Fix insn iteration.
18616 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18617 (find_basic_blocks_1): Fix spelling mistake.
18619 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18621 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18622 always have side-effects. Use memset not bzero.
18623 (make_node): Likewise.
18625 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18627 * stmt.c (expand_anon_union_decl): When any of the elements of the
18628 union is addressable, so is the entire union.
18630 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18632 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18634 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18635 * bitmap.c (bitmap_operation): Return true iff TO changed.
18636 (bitmap_equal_p): New.
18637 (bitmap_bit_p): Tidy arithmetic.
18638 (debug_bitmap_file): Likewise.
18640 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18642 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18643 before cse2 instead of after.
18645 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18647 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18650 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18652 * cppinit.c (is_idchar initializer): Loosen tests to accept
18655 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18657 * mips.md: Define conditional move patterns for floating point
18658 operands and DI mode conditions.
18660 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18662 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18663 always have side-effects.
18665 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18667 * mn10200.c (asm_file_start): Fix typo.
18669 * cppinit.c (is_idchar initializer): Tighten tests for when
18670 to put the table into initialized memory.
18672 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18673 not an array of rtunion.
18674 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18675 * gcc-simple (ggc_free_rtvec): Similarly.
18677 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18680 * mbchar.h: Add missing #endif.
18682 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18683 (FPBIT, DPBIT): Define.
18685 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18687 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18689 * profile.c (instrument_arcs, output_gcov_string,
18690 tablejump_entry_p): Add static prototypes.
18691 (output_gcov_string): Constify a char*.
18693 * regmove.c (replacement_quality, fixup_match_2): Add static
18696 * resource.h (reg_dead_p): Add extern prototype.
18698 * rtl.c (trim_filename): Add static prototype.
18700 * scan-decls.c (skip_to_closing_brace): Likewise.
18702 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18703 (expand_end_case): Initialize variable `range'.
18704 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18706 * varasm.c (asm_emit_uninitialised): Add static prototype.
18707 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18710 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18712 * cpplib.c (if_directive_nameo): Add static prototype.
18714 * cse.c (cse_insn): Remove unused variable `p'.
18716 * except.c (create_rethrow_ref, push_entry,
18717 receive_exception_label, new_eh_region_entry, find_func_region,
18718 clear_function_eh_region, process_nestinfo): Add static prototypes.
18719 (get_reg_for_handler): Hide definition.
18720 (process_nestinfo): Initialize variable `extra_handlers'.
18722 * expr.h (expand_builtin_longjmp): Add extern prototype.
18724 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18726 * function.c (prepare_function_start): Likewise.
18727 (pop_function_context_from): Mark parameter `context' with
18729 (push_temp_slots_for_block, flush_addressof): Hide definition.
18731 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18732 solve_program_flow_graph, calculate_branch_probs,
18733 function_summary, main, fancy_abort): Add prototypes.
18735 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18736 (add_hash): Constify a char*.
18738 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18739 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18740 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18742 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18744 * lists.c (free_list, zap_lists): Likewise.
18746 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18748 * alias.c (nonlocal_reference_p): Add static prototype.
18750 * bitmap.c (bitmap_element_allocate): Prototype args in function
18753 * builtins.c (stabilize_va_list): Add static prototype.
18754 (expand_builtin_va_arg): Constify a char*.
18756 * c-lex.c (getch, put_back, extend_token_buffer_to,
18757 read_line_number, token_getch, token_put_back): Add static
18760 * c-parse.gperf (hash, is_reserved_word): Likewise.
18762 * cccp.c (is_dir_separator): Likewise.
18764 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18766 * graph.h: New file to prototype functions exported by graph.c.
18768 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18770 * graph.c: Include graph.h.
18772 * toplev.c: Likewise. Remove redundant prototypes.
18774 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18776 * invoke.texi: Removed duplicated description for -Q.
18778 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18780 * extend.texi: Grammar fix in __extension__ text.
18782 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18784 * md.texi (define_peephole2): New section.
18786 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18788 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18789 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18792 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18794 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18796 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18798 * i386.md (ffs expander): Emit Pentium friendly code for
18801 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18803 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18805 (build1): Likewise.
18807 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18809 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18811 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18813 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18814 register is in use.
18816 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18818 * md.texi (No Constraints): Delete section.
18819 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18820 * final.c (final_scan_insn): We always have register constraints.
18821 * genattrtab.c: Don't include "insn-config.h".
18822 (write_attr_case): We always have register constraints.
18823 * genconfig.c (register_constraint_flag): Delete.
18824 (walk_insn_part): Don't check whether we have register constraints.
18825 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18826 * genoutput.c (have_constraints): Delete.
18827 (main): Don't set it.
18828 (output_operand_data): We always have constraints.
18829 (scan_operands): Likewise.
18830 (compare_operands): Likewise.
18831 * local-alloc.c (block_alloc): We always have constraints.
18832 (requires_inout): Always compile this function.
18833 * recog.c (extract_insn): We always have constraints.
18834 (constrain_operands, reg_fits_class_p): Always compile these
18836 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18838 (struct insn_operand_data): Likewise.
18839 * regclass.c (regclass): We always have constraints.
18840 (record_reg_classes, copy_cost, record_address_regs,
18841 auto_inc_dec_reg_p): Always compile these functions.
18842 * regmove.c (regmove_optimize): We always have constraints.
18843 * reload.c (find_reloads): Likewise.
18844 * reload1.c (reload): Likewise.
18845 (reload_cse_simplify_operands): Likewise.
18846 * i860.c (output_delay_insn): Likewise.
18848 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18850 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18852 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18854 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18855 for the va_list record.
18857 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18859 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18862 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18864 * alias.c: Include insn-flags.h.
18865 * Makefile.in (alias.o): Update.
18867 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18869 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18870 to LTU and GEU. Handle more cases using sbb.
18872 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18874 * i386.md (truncatexfdf splitters): Do not use subreg.
18875 (fop XFmode patterns): Fix mode in operand testing.
18877 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18879 * jump.c (jump_optimize_1): Amend last change to test only the
18880 form of the operand, not the insn.
18882 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18883 not register_operand to determine when B may need preloading.
18885 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18887 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18888 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18889 (call-value patterns): Move to end of file.
18890 (*): Remove mode from label_ref in (pc) context.
18891 (movstrqi): Use memory not general_operand for BLKmode operands.
18892 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18893 to register_operand operands.
18894 (peep2 patterns): Convert from commented-out peephole patterns.
18896 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18898 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18899 to BUILT_IN_INIT_DWARF_REG_SIZES.
18900 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18901 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18902 expand_builtin_init_dwarf_reg_sizes.
18903 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18904 with __builtin_init_dwarf_reg_size_table.
18905 * dwarf2out.c (struct reg_size_range): Delete.
18906 (expand_builtin_init_dwarf_reg_sizes): New function.
18907 (expand_builtin_dwarf_reg_size): Delete.
18908 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18909 (expand_builtin_dwarf_reg_size): Don't declare.
18910 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18911 (dwarf_reg_size_table): New.
18912 (init_reg_size_table): New function.
18913 (copy_reg): Use dwarf_reg_size_table.
18914 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18917 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18919 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18920 Correctly build argument list to constructor and destructor functions.
18922 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18924 * c-tree.h (warn_float_equal): Declare.
18925 * c-decl.c (warn_float_equal): Define.
18926 (c_decode_option): Recognize -W[no-]float-equal.
18927 * c-typeck.c (build_binary_op): Conditionally warn
18928 about equality tests of floating point types.
18929 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18930 * invoke.texi: Add docs for -Wfloat-equal warning.
18932 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18934 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18935 generating RTL directly.
18936 * mips.h (INIT_TARGET_OPTABS): Likewise.
18937 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18939 * expr.h (init_mov_optab): Delete declaration
18941 * h8300.c (WORD_REG_USED): Update to avoid useless register
18942 saves in interrupt functions and functions which never return.
18944 * cse.c (struct set): Delete inner_dest_loc field.
18945 (cse_insn): Remove assignments to inner_dest_loc field.
18947 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18949 * ggc-page.c: Don't include <unistd.h> etc taken care of
18950 by "system.h". Include <sys/mman.h> afterward.
18952 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18954 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18957 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18959 * xcoffout.c (xcoffout_declare_function): Add documentation.
18960 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18961 TARGET_64BIT. Compare constant to -1, not bit pattern.
18962 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18963 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18966 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18968 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18969 origin_die is NULL.
18970 (gen_inlined_enumeration_type_die): Do not abort if the type has
18971 not been writeen out.
18972 (gen_inlined_structure_type_die): Do not abort if the type has
18973 not been writeen out.
18974 (gen_inlined_union_type_die): Do not abort if the type has
18975 not been writeen out.
18976 (gen_tagged_type_instantiation_die): Do not abort if the type
18977 has not been written out.
18979 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18981 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18983 * reg-stack.c (straighten_stack): Copy hard reg set with
18986 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18988 * builtins.c (stabilize_va_list): Stabilize array type va_list
18989 to a pointer type, not the base record type.
18990 (expand_builtin_va_copy): Dereference the pointers explicitly;
18991 use the correct size for the copy.
18993 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18994 (rs6000_va_arg): Likewise.
18996 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18998 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
19000 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
19002 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
19004 (DECL_BUILT_IN_CLASS): Adjust accordingly.
19006 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
19008 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
19009 (init_ggc): Use it instead of a constant.
19010 (ggc_collect): Bound allocated_last_gc by it.
19012 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
19014 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
19017 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
19019 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
19020 (mips*-*-openbsd*): Let big endian configuration be a fragment.
19021 * configure: Regen.
19022 * config/mips/openbsd.h: New, OpenBSD little endian target.
19023 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
19024 * config/mips/xm-openbsd.h: New, OpenBSD host.
19026 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
19028 * config/m68k/m68k.c (output_function_prologue,
19029 output_function_epilogue): Use
19030 current_function_uses_pic_offset_table instead of regs_ever_live
19031 to decide whether to save/restore pic register.
19032 (legitimize_pic_address): Don't modify regs_ever_live any more.
19034 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
19036 * function.h (struct function): Add x_dont_save_pending_sizes_p.
19037 * stor-layout.c (variable_size): Don't add sizes to the pending
19038 sizes list if x_dont_save_pending_sizes_p is set.
19040 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
19042 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
19043 for symbolic_operand().
19044 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
19046 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19048 * combine.c (gen_rtx_combine): Add missing call to va_end().
19050 * final.c (asm_fprintf): Likewise.
19052 * genattrtab.c (attr_rtx): Likewise.
19054 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
19056 * cse.c: Update comments.
19057 (cse_insn): When converting a conditional/computed jump into
19058 an unconditional jump, always make sure a BARRIER immediately
19059 follows the converted jump. Do not delete unreachable code.
19060 (cse_basic_block): Do not delete unreachable code.
19061 * toplev.c (rest_of_compilation): Move call to
19062 delete_trivially_dead_insns after the conditional call to
19065 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19067 * collect2.c (make_temp_file): Don't prototype.
19069 * gcc.c (make_temp_file): Likewise.
19071 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
19073 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
19075 * varasm.c (asm_emit_uninitialised): New function: Generate
19076 the assembler statements necessary to declare an uninitialised
19078 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
19080 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
19081 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
19083 (assemble_variable): Use asm_emit_uninitialised to emit an
19084 uninitialised variable.
19086 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
19088 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
19089 constant on a 64 bit host. Patch supplied by Geoffrey Keating
19090 <geoffk@cygnus.com>.
19092 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19094 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
19095 * c-common.h (builtin_function): Don't declare.
19097 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
19099 (pushdecl): Likewise.
19100 (finish_decl): Likewise.
19101 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
19102 int. All callers changed.
19103 Set the builtin's DECL_BUILT_IN_CLASS.
19104 * tree.h (enum built_in_class): New.
19105 (enum built_in_function): Delete NOT_BUILT_IN.
19106 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
19108 (DECL_SET_FUNCTION_CODE): Likewise.
19109 (DECL_BUILT_IN_CLASS): New macro.
19110 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
19111 (struct tree_decl): Split builtin function code field into a
19113 (builtin_function): Declare.
19115 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
19117 * optabs.c (init_traps): Fix typo in last change.
19119 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
19121 * toplev.c (rest_of_decl_compilation): Update comment.
19123 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19125 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
19126 in .sbss if appropriate.
19127 (EXTRA_SECTION_FUNCTIONS): Add sbss.
19128 (SBSS_SECTION_ASM_OP): New macro.
19129 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
19130 (EXTRA_SECTIONS): Add in_sbss.
19131 * config/mips/mips.h: Prototype sbss_section.
19133 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
19135 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
19138 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
19140 * optabs.c (init_traps): Register trap_rtx as a GC root.
19142 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19144 * config/mips/mips.c (function_arg_pass_by_reference): Define
19145 unconditionally, since it's called unconditionally.
19147 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19149 * toplev.c (documented_lang_options): Add -fshort-wchar.
19150 * c-decl.c (c_decode_option): Likewise.
19151 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
19153 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
19154 * gcc.c (default_compilers): If -fshort-wchar,
19155 override __WCHAR_TYPE__.
19156 * tm.texi (C Dialect Options): Add -fshort-wchar.
19158 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
19159 symbol for a variable.
19161 * cpplib.h (CPP_PREPROCESSED): New macro.
19162 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
19163 we're seeing this input for a second time.
19165 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
19167 * emit-rtl.c (init_emit_once): Initialize modes first.
19169 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
19171 * config/i386/i386.c (pic_label_name): Change to char pointer.
19172 (global_offset_table): New variable.
19173 (load_pic_register): Fill global_offset_table if it hasn't
19174 already been done. Allocate pic_label_name dynamically.
19175 * ggc.h (empty_string): New variable.
19176 * ggc-simple.c (empty_string): Likewise.
19177 (init_ggc): Allocate empty_string and add as root.
19178 * stmt.c (digit_strings): New variable.
19179 (init_stmt): Add last_block_end_note as root. Allocate and
19180 initialize digit_strings.
19181 (expand_asm_operands): Use empty_string instead of string
19182 constant. Use digit_strings instead of string constants.
19183 * profile.c (init_arc_profiler): Allocate string with
19184 ggc_alloc_string instead of xmalloc.
19185 (output_func_start_profiler): Likewise.
19186 * c-typeck.c (digest_init): Check if init is error_mark_node.
19188 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19189 Richard Henderson <rth@cygnus.com>
19191 * ggc-page.c: New file.
19192 * Makefile.in (ggc-page.o): New.
19194 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19196 * invoke.texi: Document -fdelete-null-pointer-checks
19197 * toplev.c (flag_delete_null_pointer_checks): New.
19198 (f_options): Add entry for -fdelete-null-pointer-checks.
19199 (rest_of_compilation): Conditionalize null pointer check
19200 elimination on flag_delete_null_pointer_checks.
19201 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19203 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19205 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19206 copyright notice and special exception to GPL.
19208 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19210 * abi64.h (mips_function_value): Add prototype arguments.
19212 * mips-protos.h: New file with mips prototypes.
19214 * mips.c: Include "tm_p.h".
19215 (mktemp, lookup_name): Add prototype arguments.
19216 (extern_list, string_constant, mips_fill_delay_slot,
19217 mips_output_external, mips_output_external_libcall,
19218 mips_output_filename, mips_declare_object, function_prologue,
19219 mips_expand_prologue, function_epilogue, mips16_constant,
19220 build_mips16_function_stub, mips_output_conditional_branch):
19222 (mips_va_start): Remove unused variable `u'.
19223 (mips_va_arg): Cast value to unsigned when comparing against one.
19225 (save_restore_insns, mips_expand_prologue): Add missing arg in
19226 call to `large_int'.
19228 * mips.h: Move prototypes to mips-protos.h.
19229 (data_section, memory_address_p, rdata_section,
19230 readonly_data_section, simple_epilogue_p, text_section): Delete
19231 prototypes delcared elsewhere.
19232 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19234 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19236 * mips.md: Delete extra args in call to `mips_move_2words'.
19238 * xm-iris6.h (alloca): Add prototype argument.
19240 * genpeep.c: Include "tm_p.h" in generated output file.
19242 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19244 * basic-block.h (find_edge_index): Change parameters.
19245 * flow.c (verify_edge_list): Pass basic_block parameters to
19246 find_edge_index instead of integers.
19248 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19250 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19253 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19255 * gcc.1: Fix a formatting error.
19257 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19259 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19260 i786, mn10200, mn10300, pdp11, v850.
19262 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19264 * libgcc2.c (num_digits): Add prototype with
19265 __attribute__((const)).
19266 (__terminate): Add prototype.
19268 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19270 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19272 * alpha/alpha.c (print_operand): Fix type of `code'.
19273 (alpha_output_filename): Constify.
19274 * alpha/alpha.h: Move all function declarations ...
19275 * alpha/alpha-protos.h: ... here. New file.
19276 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19277 (SECTION_FUNCTION_TEMPLATE): Likewise.
19279 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19281 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19282 * expr.c (expand_expr): Likewise.
19283 (do_jump): Likewise.
19284 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19285 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19287 (enum can_compare_purpose): New.
19288 (can_compare_p): Adjust prototype.
19289 (prepare_cmp_insn, prepare_operand): Declare.
19290 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19291 * optabs.c (cmp_available_p): Deleted.
19292 (expand_abs): Pass ccp_jump to can_compare_p.
19293 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19294 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19295 Call can_compare_p rather than cmp_available_p.
19296 (prepare_operand): No longer static.
19297 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19298 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19299 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19300 sequence to use emit_cmp_and_jump_insns.
19301 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19303 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19305 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19306 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19307 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19308 (plus (reg) (const_int 0))
19309 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19311 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19313 * rs6000.c (expand_block_move): DImode loads and stores require
19314 word-aligned displacements. Increment address registers with
19315 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19317 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19319 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19320 is no name for the base type, rather than segfault. If we are
19321 writing out a complex integer type, use DW_ATE_lo_user.
19323 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19324 in one word or less (complex char, complex short, or on 64 bit
19325 systems complex float) to/from a hard register, copy it through
19326 memory instead of dying in gen_{real,imag}part. If we have a
19327 short complex type, prevent inlining since it allocates stack
19330 * tree.c (build_complex_type): If we are writing dwarf2 output,
19331 generate a name for complex integer types.
19333 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19335 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19336 * flow.c (remove_edge): Remove extra whitespace.
19337 (remove_fake_edges): Fix comment.
19338 (add_noreturn_fake_exit_edges): Use the correct name.
19340 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19342 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19343 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19344 (clean): Depend on INTL_CLEAN.
19345 (maintainer-clean): Adjust.
19347 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19349 * configure.in (AC_PREREQ): Bump to 2.13.
19350 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19352 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19354 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19356 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19358 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19359 (HAVE_STRINGIZE): Define.
19361 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19363 * c-parse.in: save and restore warn_pointer_arith on __extension__
19364 along with pedantic.
19365 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19366 Set the type of extension to itype rather than $<itype>1 kludge.
19367 * extend.texi (Alternate Keywords): Adjust documentation.
19368 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19370 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19372 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19373 most assembler templates.
19375 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19376 FP loads and stores.
19377 (following_call): Always return zero for the PA8000.
19378 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19379 FP loads and stores.
19380 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19382 * pa.h (BRANCH_COST): Define.
19384 * pa.md (return, return_internal): Use bve for PA2.0.
19386 * pa.md (fused multiply): Add variants which reduce height for the
19387 fused multiply, but which still generate 2 insns.
19388 (fnegabs): Similarly.
19390 * pa.md (subsi3): Turn into an expander. Create two anonymous
19391 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19392 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19394 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19396 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19398 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19399 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19401 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19404 * flow.c (record_active_eh_regions): Terminate loop after finding
19405 the last insn in the last basic block.
19407 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19409 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19411 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19413 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19415 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19417 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19418 splitting to not use output template.
19420 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19422 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19423 * config/c4x/c4x.c (c4x_va_start): New function.
19425 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19427 * genrecog.c (not_both_true): Handle correctly cases when called for
19428 tests with different positions in the insn.
19430 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19432 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19434 * system.h (HOST_PTR_PRINTF): ... to here.
19436 * mips-tfile.c: Don't include machmode.h.
19438 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19439 (mips-tfile.o): Don't depend on machmode.h.
19441 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19443 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19444 avoid conflicts with typedef struct `region' at the top level scope.
19446 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19448 * basic-block.h (basic_block): Add eh_beg, eh_end.
19449 * flow.c (entry_exit_blocks): Update.
19450 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19451 Call new functions.
19452 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19453 lists.c functions to allocate insn lists.
19454 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19456 (make_eh_edge): ... here. New.
19457 (move_stray_eh_region_notes): New.
19458 (record_active_eh_regions): New.
19459 (delete_unreachable_blocks): Split out block merging ...
19460 (try_merge_blocks): ... here. New.
19461 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19462 Dump debugging data.
19463 (merge_blocks_move_successor_nojumps): Likewise.
19464 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19466 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19468 * extend.texi (Bound member functions): Document unbound pmf
19471 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19473 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19474 has the EXIT_BLOCK as a dest.
19476 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19478 * flow.c (remove_edge): New function to remove an edge from the
19480 (remove_fake_successors): New function to remove fake successor edges.
19481 (remove_fake_edges): New function to remove all fake edges from the
19483 (add_fake_exit_edges): New function to add fake edges from all blocks
19484 with no successors to the exit block.
19485 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19486 prototypes for new functions.
19488 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19490 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19491 Use Pmode to determine whether to output .dword or .word.
19493 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19495 * tree.c (built_in_filename): New variable.
19496 (BUILT_IN_FILENAME): New macro.
19497 (init_tree_codes): Allocate built_in_filename.
19498 (make_node): Use built_in_filename instead of string constant.
19500 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19502 * configure.in: Add fr30 target.
19503 * configure: Regenerate.
19504 * config/fr30: New directory.
19505 * config/fr30/crti.asm: New file.
19506 * config/fr30/fr30.c: New file.
19507 * config/fr30/crtn.asm: New file.
19508 * config/fr30/fr30.h: New file.
19509 * config/fr30/fr30.md: New file.
19510 * config/fr30/lib1funcs.asm: New file.
19511 * config/fr30/t-fr30: New file.
19512 * config/fr30/xm-fr30.h: New file.
19514 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19516 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19517 BARRIER at the end of the successor, not the BARRIER before
19520 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19522 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19524 * stmt.c (any_pending_cleanups): Don't crash when
19525 current_function->stmt is unset.
19527 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19529 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19530 other initializations that may use it for relative offsets.
19532 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19534 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19535 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19536 * config/i386/sol2dbg.h: Removed.
19537 * config/i386/sol2gas.h: New file, to enable gas work-around.
19538 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19539 Don't use sol2dbg.h.
19540 * configure: Rebuilt.
19542 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19544 * invoke.texi (-fthis-is-variable): Remove documentation.
19546 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19548 * basic-block.h (compute_bb_for_insn): Declare.
19549 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19550 to use; set size of basic_block_for_insn directly.
19551 (find_basic_blocks): Update.
19553 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19555 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19557 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19559 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19560 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19562 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19564 * c-decl.c (c_decode_option): Extend comment.
19566 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19568 * toplev.c (progname): Make 'const char *'
19569 (flag_print_mem): Move out of main.
19570 (version_flag): Move out of main.
19571 (filename): Move out of main.
19572 (debug_args): Remove g prefix from options.
19573 (documented_lang_options): Remove cpplib specific options.
19574 (display_help): Add g prefix to debug options.
19575 (check_lang_option): Delete this function.
19576 (decode_d_option): New function: Decode -d... option.
19577 (decode_f_option): New function: Decode -f... option.
19578 (decode_W_option): New function: Decode -W... option.
19579 (decode_g_option): New function: Decode -g... option.
19580 (independent_decode_option): New function: Decode a language
19581 independent command line option.
19582 (main): Invoke lang_decode_option and then
19583 independent_decode_option on each command line option in
19586 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19588 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19589 * fold-const.c (fold_range_test): Do not try to fold the range
19590 test if the rhs or lhs has side effects.
19592 * basic-block.h (compute_flow_dominators): Declare.
19594 * gcse.c (alloc_code_hoist_mem): New function.
19595 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19596 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19597 (hoist_code, one_code_hoisting_pass): Likewise.
19598 (gcse_main): If optimizing for size, then hoist expressions
19599 computed in multiple dominated basic blocks.
19601 * gcse.c (invalid_nonnull_info): New function.
19602 (delete_null_pointer_checks): Likewise.
19603 * rtl.h (delete_null_pointer_checks): Declare.
19604 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19606 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19607 (merge-blocks_move_successor_nojumps): Likewise.
19608 (merge_blocks): Allow merging of some blocks, even if it requires
19609 physical movement of the blocks, but not if it requires new jumps.
19611 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19612 Callers and prototype changed.
19613 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19615 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19617 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19618 -YP when both -p and -pg are present. From i386/sol2.h.
19620 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19622 * Makefile.in (distclean): Delete tm_p.h.
19623 * configure.in: Create a new file, "tm_p.h", from a list in
19624 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19625 "i386/i386-protos.h".
19627 * alias.c: Include "tm_p.h".
19628 * c-typeck.c: Likewise.
19629 * calls.c: Likewise.
19631 * emit-rtl.c: Likewise.
19632 * explow.c: Likewise.
19633 * expmed.c: Likewise.
19634 * expr.c: Likewise.
19635 * final.c: Likewise.
19636 * flow.c: Likewise.
19637 * fold-const.c: Likewise.
19638 * function.c: Likewise.
19639 * gcse.c: Likewise.
19640 * global.c: Likewise.
19641 * haifa-sched.c: Likewise.
19642 * integrate.c: Likewise.
19643 * jump.c: Likewise.
19644 * local-alloc.c: Likewise.
19645 * loop.c: Likewise.
19646 * optabs.c: Likewise.
19647 * recog.c: Likewise.
19648 * reg-stack.c: Likewise.
19649 * regclass.c: Likewise.
19650 * regmove.c: Likewise.
19651 * reload.c: Likewise.
19652 * reload1.c: Likewise.
19653 * reorg.c: Likewise.
19654 * resource.c: Likewise.
19655 * stmt.c: Likewise.
19656 * stor-layout.c: Likewise.
19657 * toplev.c: Likewise.
19658 * tree.c: Likewise.
19659 * unroll.c: Likewise.
19660 * genattrtab.c (main): Make generated file include "tm_p.h".
19661 * genemit.c (main): Likewise.
19662 * genoutput.c (main): Likewise.
19663 * genrecog.c (main): Likewise.
19665 * i386.h: Delete all prototypes.
19666 * i386.c: Include "tm_p.h".
19667 (ix86_attr_length_default): Call constant_call_address_operand
19668 with correct number of arguments.
19669 * i386-protos.h: New file.
19670 * i386.md (unnamed patterns): Call constant_call_address_operand
19671 with correct number of arguments.
19672 (exception_receiver): Call load_pic_register with correct number
19675 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19677 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19679 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19681 * rtl.h (insns_safe_to_move_p): New function.
19682 * loop.c (find_and_verify_loops): Use it.
19683 * rtlanal.c (insns_safe_to_move_p): Define it.
19685 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19687 * c-pragma.c: Include ggc.h.
19688 * Makefile.in (c-pragma.o): Update.
19690 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19692 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19693 (LIB_SPEC): Likewise.
19694 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19695 Reindent -YP/-p/-pg.
19696 Copied from config/sparc/sol2.h.
19698 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19700 * c-pragma.c (mark_align_stack): New.
19701 (init_pragma): New.
19702 * c-pragma.h (init_pragma): Declare it.
19703 * c-lex.c (init_parse): Call it.
19705 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19707 * configure.in: Pick up thread library on Solaris/x86 just
19708 like on Solaris/sparc.
19709 * configure: Rebuilt.
19711 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19713 * rtl.h (global_rtx_index): New enum.
19714 (global_rtl): Change to array of rtx.
19715 (pc_rtx, cc0_rtx): Redefine accordingly.
19716 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19717 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19718 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19719 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19720 (const_int_rtx): Change to array of rtx.
19721 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19723 * emit-rtl.c (global_rtl): Change to array of rtx.
19724 (const_int_rtx): Change to aray of rtx.
19725 (gen_rtx_CONST_INT): Redefine accordingly.
19726 (init_emit_once): Allocate and initialize global_rtl. Likewise
19727 for const_int_rtx. Add both as GC roots.
19728 * genattrtab.c (global_rtl): Update declaration.
19730 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19732 * Makefile (USER_H): Add iso646.h back.
19734 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19736 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19737 zapping the LOG_LINKS of sched_before_next_call.
19739 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19740 * pa.c (insn_refs_are_delayed): Renamed from
19741 insn_sets_and_refs_are_delayed.
19743 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19745 * functiion.h (struct function): Add x_whole_function_mode_p.
19746 (retrofit_block): Declare.
19747 * function.c (retrofit_block): New function.
19748 (identify_blocks): Add assertions. Allow an incomplete set of
19749 block notes if we're still generating code for the function.
19750 * integrate.c: Include loop.h.
19751 (expand_inline_function): Call find_loop_tree_blocks to map block
19752 notes to blocks when in whole-function mode. Use retrofit_block
19753 to insert new BLOCKs for the inlined function, rather than
19755 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19756 * Makefile.in (integrate.o): Depend on loop.h.
19758 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19760 * tree.h (warn_about_unused_variables): Declare.
19761 * stmt.c (warn_about_unused_variables): New function, split out
19763 (expand_end_bindings): Here.
19765 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19767 * stmt.c (preserve_subexpressions_p): Don't crash when
19768 current_function->stmt is unset.
19770 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19772 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19773 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19774 (expand_start_target_temps): Use it.
19775 * except.c (expand_eh_region_start_for_decl): Likewise.
19776 * expr.c (expand_expr): Likewise.
19778 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19780 * fold-const.c (operand_equal_p): Pay attention to side effects.
19782 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19784 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19785 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19787 * tlink.c (scan_linker_output): Look for keywords before accepting
19788 a mangled name in quotes.
19790 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19792 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19793 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19795 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19797 * alpha.md: Revert Thu Nov 26 change that came in through the
19798 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19799 Avoid earlyclobber when possible.
19801 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19803 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19805 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19806 Define HAVE_ON_EXIT.
19808 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19810 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19811 CTYPE_CONV in all ctype macros.
19813 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19816 * cexp.y (initialize_random_junk): Likewise.
19818 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19820 * i370.c (handle_pragma): Likewise.
19822 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19824 * v850.c (override_options): Likewise.
19826 * doprint.c (_doprnt): Likewise.
19828 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19831 * fixinc/server.c (load_data): Likewise.
19833 * fold-const.c (real_hex_to_f): Likewise.
19835 * genattr.c (write_upcase, gen_attr): Likewise.
19837 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19838 write_upcase): Likewise.
19840 * genemit.c (print_code): Likewise.
19842 * genopinit.c (gen_insn): Likewise.
19844 * genpeep.c (print_code): Likewise.
19846 * genrecog.c (print_code): Likewise.
19848 * optabs.c (init_libfuncs): Likewise.
19850 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19852 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19854 (reemit_notes): Likewise.
19856 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19858 * ggc.h (ggc_root): Move to ggc-common.c.
19860 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19861 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19862 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19863 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19864 * ggc-common.c (ggc_root): Move from ggc.h.
19865 (roots): Declare, static.
19866 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19867 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19868 null or check/set mark bit.
19869 (ggc_mark_roots): New.
19870 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19872 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19874 * m32r.c: Include toplev.h.
19875 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19876 (gen_compare): Rename swap_p to must_swap to match uses.
19877 Add default abort case.
19878 (m32r_output_function_epilogue): Remove unused variables.
19879 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19880 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19881 define to empty parameter list. Update all uses.
19882 (predicate decls): Use enum machine_mode not int.
19883 * m32r.md (movsi): Call abort, not fatal_insn.
19884 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19886 1999-09-14 Andrew Haley <aph@cygnus.com>
19888 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19889 use $0 instead of 0.
19891 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19893 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19894 computation out of loop over hard regs.
19896 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19898 * function.c (identify_blocks): Don't shadow a variable in an
19900 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19901 pushdecl, or poplevel to build up the new BLOCK tree.
19902 (expand_inline_function): Likewise.
19903 (integrate_parm_decls): Likewise.
19905 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19907 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19909 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19911 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19912 * invoke.texi: Document this change.
19914 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19916 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19918 (mark_emit_status): Renamed from mark_emit_state.
19919 * except.c (mark_eh_status): Renamed from mark_eh_state.
19920 Check not null before marking.
19921 (free_eh_status): New.
19922 * expr.c (mark_expr_status, free_expr_status): New.
19923 * function.c (free_machine_status): New.
19924 (free_after_parsing): New.
19925 (free_after_compilation): Move bits to free_after_parsing; call
19926 free_eh_status, free_expr_status; zero the marked members of the
19928 (prepare_function_start): No can_garbage_collect.
19929 Call init_eh_for_function.
19930 (expand_dummy_function_end): Free up current_function state.
19931 (mark_function_status): Renamed from mark_function_state.
19932 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19933 * function.h (struct function): No can_garbage_collect.
19934 (free_machine_status, free_after_parsing): Declare.
19935 (free_eh_status, free_expr_status): Declare.
19936 * ggc.h (mark_expr_status): Declare.
19937 * stmt.c (free_stmt_status): Free the struct.
19938 (mark_stmt_status): Renamed from mark_stmt_state.
19939 (init_stmt): Don't call init_eh.
19940 (init_stmt_for_function): Don't call init_eh_for_function.
19941 * toplev.c (compile_file): Call init_eh.
19942 (rest_of_compilation): Free basic block info before ggc_collect.
19943 Call free_after_parsing; conditionally call free_after_compilation.
19944 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19945 Check not null before marking.
19946 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19948 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19950 * c-lex.c (yylex): Initialize warn.
19952 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19954 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19955 register when performing secondary reloads for the SAR register.
19957 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19959 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19960 (NOTE_BLOCK): New macro.
19961 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19962 * function.h (identify_blocks): Change prototype.
19963 * function.c (identify_blocks): Simplify.
19964 (reorder_blocks): Likewise.
19965 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19966 NOTE_INSN_BLOCK_{BEG,END}.
19967 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19968 the list of saved notes if the note isn't a
19969 NOTE_INSN_BLOCK_{BEG,END}.
19970 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19972 (reemit_notes): Adjust recreation of notes to reflect new saved
19974 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19975 printing a block note.
19976 * stmt.c (block_vector): Remove.
19977 (find_loop_tree_blocks): Simplify.
19978 (unroll_block_trees): Likewise.
19979 * tree.h (reorder_block): Change prototype.
19981 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19983 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19984 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19985 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19986 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19987 (atexit, exit): Simplify.
19988 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19989 * config/lots: Remove defns of HAVE_ATEXIT.
19991 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19993 * calls.c (precompute_arguments): Fix typo in comment.
19994 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19997 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19999 * dsp16xx.c (override_options): Fix typos in GC root registration.
20001 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
20003 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
20004 from config/svr4.h.
20005 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
20006 (FUNCTION_PROFILER): Redefine appropriately for Linux.
20007 (CC1_SPEC): Likewise.
20009 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20011 * genattr.c (main): Add extern prototype. Call return, not exit.
20012 * genattrtab.c (main): Likewise.
20013 * gencheck.c (main): Likewise.
20014 * gencodes.c (main): Likewise.
20015 * genconfig.c (main): Likewise.
20016 * genemit.c (main): Likewise.
20017 * genextract.c (main): Likewise.
20018 * genflags.c (main): Likewise.
20019 * gengenrtl.c (main): Likewise.
20020 * genopinit.c (main): Likewise.
20021 * genoutput.c (main): Likewise.
20022 * genpeep.c (main): Likewise.
20023 * genrecog.c (main): Likewise.
20025 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
20026 * genattrtab.c (get_insn_name): Likewise.
20027 * gencodes.c (get_insn_name): Likewise.
20028 * genconfig.c (get_insn_name): Likewise.
20029 * genemit.c (get_insn_name): Likewise.
20030 * genextract.c (get_insn_name): Likewise.
20031 * genflags.c (get_insn_name): Likewise.
20032 * genopinit.c (get_insn_name): Likewise.
20033 * genpeep.c (get_insn_name): Likewise.
20035 * gencheck.c (usage): Add static prototype.
20036 * genextract.c (print_path): Constify a char*.
20037 * genopinit.c (optabs): Likewise.
20038 * genoutput.c (operand_data, data, output_predicate_decls,
20039 compare_operands): Likewise.
20040 * genrecog.c (write_tree): Add default case in switch.
20042 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20044 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
20046 * print-rtl.c (get_insn_name): Remove prototype.
20048 * toplev.h (progname): Declare const.
20050 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
20051 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
20052 dump_sched_info, dump_local_alloc, regset_release_memory,
20053 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
20054 error_with_file_and_line, error_with_decl, error_for_asm, error,
20055 fatal, warning_with_file_and_line, warning_with_decl, warning,
20056 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
20057 Remove redundant prototypes.
20059 (notice, check_lang_option, report_file_and_line, vnotice,
20060 mark_file_stack): Add static prototype.
20061 (set_fatal_function): Add prototype.
20062 (vnotice, report_file_and_line, set_fatal_function,
20063 check_lang_option): Constify a char*.
20064 (main): Prototype. Call return, not exit.
20066 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20068 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
20070 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
20072 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
20074 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
20076 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20078 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
20079 behave as if it's zero in all cases.
20080 (expand_function_start): Adjust call to assign_parms.
20081 * tree.h (assign_parms): Adjust prototype.
20082 * objc/objc-act.c (hack_method_prototype): Adjust call to
20085 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
20087 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
20088 arg_pointer_rtx fixed if the argument pointer register is
20090 (NONZERO_BASE_PLUS_P): Likewise.
20092 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
20094 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
20095 match_insn2 to match_insn.
20096 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
20098 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
20100 * Makefile.in (USER_H): Remove va-foo.h.
20102 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
20103 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
20104 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
20105 va-spur.h,va-v850.h}: Remove.
20107 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
20109 * sparc/sparc.md (eligible_for_return_delay): New attribute.
20110 (in_return_delay): Use it instead of match_insn.
20112 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20114 * config/alpha/va_list.h (va-alpha.h): Do not include.
20115 (__gnuc_va_list): Typedef as in varargs.h.
20117 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
20119 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
20120 DECL_LIVE_RANGE_RTL.
20122 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
20124 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
20125 not NOTE_BLOCK_NUMBER.
20126 (expand_eh_region_end): Likewise.
20127 (find_exception_handler_labels): Likewise.
20128 (scan_region): Likewise.
20129 (exception_optimize): Likewise.
20130 (update_rethrow_references): Likewise.
20131 (set_insn_eh_region): Likewise.
20132 * final.c (final_scan_insn): Likewise.
20133 * flow.c (make_edges): Likewise.
20134 * integrate.c (expand_inline_function): Likewise.
20135 * print-rtl.c (print_rtx): Likewise.
20137 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
20139 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
20140 terms of builtin functions and types.
20142 * mips.c (mips_build_va_list): New.
20143 (mips_va_start, mips_va_arg): New.
20144 * mips.h (BUILD_VA_LIST_TYPE): New.
20145 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20147 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
20148 (sh_build_va_list, sh_va_start, sh_va_arg): New.
20149 * sh.h (BUILD_VA_LIST_TYPE): New.
20150 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20152 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
20154 * recog.h (struct recog_data): Make dup_num, operand_address_p,
20155 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
20156 (struct insn_data): Likewise with n_operands, n_dups,
20157 n_alternatives, output_format.
20158 * regclass.c (scan_one_insn): Cast n_operands to int before
20159 arithmetic inside comparison.
20161 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
20163 * toplev.c (compile_function): Unconditionally emit nop.
20165 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20167 * haifa-sched.c (actual_hazard): Move declaration of variable
20168 `this_cost' into the scope where it is used.
20170 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20172 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
20173 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
20174 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
20176 * genrecog.c (make_insn_sequence): Call memset, not bzero.
20178 * jump.c (find_insert_position): Don't declare or define unless
20179 !HAVE_conditional_arithmetic.
20180 (returnjump_p_1, delete_prior_computation): Add static prototypes.
20182 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20184 * recog.c (offsettable_address_p): Prototype function pointer.
20185 (preprocess_constraints): Call memset, not bzero.
20187 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20188 (gcc_obstack_init): Don't declare.
20189 (fix_sizetype): Add static prototype.
20190 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20191 (tree_cons): Call memset, not bzero.
20193 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20194 definition in macro ASM_WEAKEN_LABEL.
20195 (mark_const_hash_entry): Add static prototype.
20197 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20199 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20201 * unroll.c (find_common_reg_term, subtract_reg_term,
20202 loop_find_equiv_value): Add static prototypes.
20203 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20204 (copy_loop_body): Remove unreachable break statement.
20206 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20208 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20210 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20212 Undo some changes from the gcc2 merge:
20213 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20214 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20218 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20219 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20220 initialized float-int union if the value is a NaN.
20222 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20224 * gthr-win32.h: New file.
20226 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20227 shared as a valid attribute.
20228 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20229 * extend.texi: Document `shared' variable attribute.
20231 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20233 * configure.in: Handle --enable-threads on FreeBSD.
20234 * configure: Rebuit.
20236 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20238 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20240 * configure: Rebuilt.
20242 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20243 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20244 Rosimildo DaSilva <rdasilva@connecttel.com>
20246 * configure.in (m68k-*-rtemscoff*): Added.
20247 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20248 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20249 sparc-rtems configuration.
20250 * configure.in (sparc-*-rtemself*): Added.
20251 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20252 * config/i386/rtems.h: Added comment.
20253 * config/sparc/rtemself.h: New file.
20255 * configure.in (m68k-rtemself): Added.
20256 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20257 and DWARF_DEBUGGING_INFO.
20258 * config/m68k/crti.s: New file.
20259 * config/m68k/crtn.s: New file.
20260 * config/m68k/t-crtstuff: New file.
20261 * config/m68k/rtemself.h: New file.
20263 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20264 global ctor/dtor and C++ exception handling.
20265 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20266 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20268 * config/i386/t-rtems-i386: New File.
20270 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20272 * stmt.c (expand_end_case): Return right away if the case stack is
20275 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20277 * Makefile.in (version.c): Remove rule incorrectly brought in from
20280 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20282 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20283 * msdos/top.sed: Take into account a prepended $(SHELL) to
20285 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20287 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20289 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20291 * regmove.c (fixup_match_1): Don't change an unchanging register.
20292 (stable_but_for_p): Renamed to:
20293 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20294 Changed all callers.
20296 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20298 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20299 insn from BL2 is after the insn from BL.
20301 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20303 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20304 (struct insn_data): Merge `template' and `outfun' into `output'.
20305 Add `output_format'.
20306 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20307 (struct data): Remove `outfun'; add `output_format'.
20308 (name_for_index): Remove declaration.
20309 (output_insn_data): Handle output formats.
20310 (process_template): Emit the bare array for @.
20311 (gen_expand, gen_split): Set output_format to NONE.
20312 * output.h (get_insn_template): Declare.
20313 * final.c (get_insn_template): New.
20314 (final_scan_insn): Use it.
20315 * toplev.c (compile_file): Likewise.
20317 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20318 * i860/i860.c (output_delayed_branch): Likewise.
20319 (output_delay_insn): Likewise.
20321 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20323 * rtl.c (obstack_alloc_rtx): Removed.
20325 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20327 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20329 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20331 * i386.c (call_insn_operand): Reject const_int.
20332 (expander_call_insn_operand): Use call_insn_operand.
20334 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20336 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20338 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20340 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20341 Use DImode operation.
20343 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20345 * gcc.c: Include sys/resource.h.
20346 (report_times): New flag.
20347 (execute): If report_times is set, calculate and report the
20348 CPU time consumed by each subprocess.
20350 (rus, prus): New globals.
20351 (option_map): Add --time.
20352 (display_help): Document -time.
20353 (process_command): Set report_times if -time is given.
20354 Turn off -pipe if -time is given.
20356 * invoke.texi: Document new option -time.
20358 * configure.in: Check for getrusage. Check if we have to
20359 prototype getrusage.
20360 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20361 * configure: Regenerate.
20362 * config.in: Regenerate.
20364 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20366 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20369 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20371 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20372 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20373 (nan): Return _thenan_sf or _thenan_df as appropriate.
20374 (L_thenan_sf): Define _thenan_sf.
20375 (L_thenan_df): Define _thenan_df.
20377 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20378 (DPBIT_FUNCS): Add _thenan_df.
20380 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20382 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20385 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20387 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20390 (lang_specific_driver): Don't take a function pointer parameter.
20391 All callers changed.
20393 * gcc.c: Include gcc.h.
20394 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20395 lang_specific_extra_outfiles, fatal): Don't declare.
20396 (multilib_defaults_raw): Constify.
20397 (read_specs): Call memset, rather than bzero.
20398 (main): Call return, not exit.
20399 (lookup_compiler): Call memcpy, not bcopy.
20400 (fatal): Make extern.
20402 * cppspec.c: Include gcc.h.
20403 (lang_specific_driver): Initialize variable `quote'. Constify a
20404 char*. All calls to the function pointer parameter now
20405 explicitly call `fatal'.
20407 * gccspec.c (lang_specific_driver): Include gcc.h.
20409 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20411 * arm.c (note_invalid_constants): Use recog_data.operand_type
20414 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20416 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20419 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20420 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20421 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20422 reload_secondary_in_reload, reload_secondary_out_reload,
20423 reload_secondary_in_icode, reload_secondary_out_icode,
20424 reload_reg_rtx, reload_when_needed): Delete declarations.
20425 (struct reload): New structure.
20426 (rld): Declare new array.
20427 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20428 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20429 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20430 reload_secondary_in_reload, reload_secondary_out_reload,
20431 reload_secondary_in_icode, reload_secondary_out_icode,
20432 reload_reg_rtx, reload_when_needed): Delete definitions.
20434 (whole file): Replace uses of the deleted arrays with uses of rld.
20435 * reload1.c (whole file): Replace uses of the deleted arrays with
20437 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20438 explicit loops, not with bcopy.
20440 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20442 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20443 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20444 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20445 insn_name): Delete and consolidate into new structures.
20446 (insn_operand_predicate_fn): New.
20447 (insn_output_fn): New.
20448 (insn_gen_fn): New.
20449 (struct insn_operand_data): New.
20450 (struct insn_data): New.
20452 (OUT_FCN): Update for insn_data change.
20453 * builtins.c (expand_builtin_strlen): Likewise.
20454 (expand_builtin_memcmp): Likewise.
20455 * combine.c (make_extraction, simplify_comparison): Likewise.
20456 * cse.c (canon_reg, cse_insn): Likewise.
20457 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20458 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20459 (emit_store_flag): Likewise.
20460 * expr.c (convert_move, emit_block_move): Likewise.
20461 (clear_storage, emit_push_insn, expand_increment): Likewise.
20462 (do_store_flag): Likewise.
20463 * expr.h (GEN_FCN): Likewise.
20464 (insn_gen_function): Die.
20465 * final.c (final_scan_insn): Update for insn_data change.
20466 (output_asm_name): Likewise.
20467 * function.c (fixup_var_refs_1): Likewise.
20468 * loop.c (check_dbra_loop): Likewise.
20469 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20470 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20471 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20472 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20473 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20474 * regmove.c (gen_add3_insn): Likewise.
20475 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20476 (find_reloads, find_reloads_address_1): Likewise.
20477 (debug_reload_to_stream): Likewise.
20478 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20479 * stmt.c (expand_end_case): Likewise.
20480 * toplev.c (compile_file): Likewise.
20482 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20483 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20485 * print-rtl.c (insn_name_ptr): Remove declaration.
20486 (get_insn_name): Declare.
20487 (print_rtx): Use it.
20488 * genoutput.c (insn_name_ptr): Remove.
20489 (next_operand_number): New.
20490 (struct operand_data): New.
20491 (null_operand, odata, odata_end): New.
20492 (struct data): Use struct operand_data.
20493 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20494 (get_insn_name): Renamed from name_for_index.
20495 (output_prologue): Define NO_MD_PROTOTYPES.
20496 (output_predicate_decls): Break out from output_epilogue.
20497 Iterate over the operands list.
20498 (output_operand_data): Break out from output_epilogue. Emit
20499 just the operands list.
20500 (output_insn_data): Break out from output_epilogue. Emit just
20502 (output_epilogue): Remove.
20503 (output_get_insn_name): New.
20504 (constraints, op_n_alternatives, predicates, address_p): Die.
20505 (modes, strict_low, seen): Die.
20506 (scan_operands): Take new param `d' instead of writing to
20507 seven global variables.
20508 (compare_operands): New.
20509 (place_operands): New.
20510 (validate_insn_alternatives): Update for struct data change.
20511 (gen_insn): Don't zero or copy 7 global arrays. Update for
20512 scan_operands; call place_operands.
20513 (gen_peephole, gen_expand, gen_split): Likewise.
20514 (main): Update for new output routines.
20516 * genattr.c (insn_name_ptr): Remove.
20517 (get_insn_name): New function.
20518 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20519 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20520 * genrecog.c: Likewise.
20522 * alpha.md (adddi3): Make `pattern' array static.
20524 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20526 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20527 c4x_cpu_version_string): Constify char *.
20528 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20529 c4x_cpu_version_string): Likewise.
20531 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20533 * tree.c (save_tree_status): Revert 10 Sep change.
20534 (restore_tree_status): Likewise. Call obstack_free with NULL
20535 before freeing the obstack proper.
20537 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20539 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20541 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20542 surrounding context.
20544 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20546 * tree.c (type_hash_canon): Put all types in the hash-table, when
20549 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20551 * recog.h (struct recog_data, recog_data): New.
20552 (recog_foo variables): Kill.
20553 * recog.c (recog_operand, recog_operand_loc): Kill.
20554 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20555 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20556 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20557 (recog_data): Define.
20558 (extract_insn): Update all recog_foo references to use recog_data.
20559 (preprocess_constraints, constrain_operands): Likewise.
20560 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20561 * genattrtab.c (main): Likewise.
20562 * genextract.c (main): Likewise.
20563 * genoutput.c: Likewise.
20564 * genrecog.c (write_subroutine, main): Likewise.
20565 * local-alloc.c (block_alloc): Likewise.
20566 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20567 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20568 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20569 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20570 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20571 (reload_cse_simplify_operands): Likewise.
20573 * arc/arc.c (arc_final_prescan_insn): Likewise.
20574 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20575 * h8300/h8300.c (notice_update_cc): Likewise.
20576 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20577 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20578 * mn10200/mn10200.c (notice_update_cc): Likewise.
20579 * mn10300/mn10300.c (notice_update_cc): Likewise.
20580 * romp/romp.c (update_cc): Likewise.
20581 * sparc/sparc.c (check_pic): Likewise.
20582 * v850/v850.c (notice_update_cc): Likewise.
20584 * genemit.c (main): Don't declare recog_operand.
20586 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20588 * ggc.h (rtvec_def): Forward declare.
20589 (tree_node): Likewise.
20590 (ggc_root): Define.
20592 (ggc_set_mark_rtx): Add prototype.
20593 (ggc_set_mark_rtvec): Likewise.
20594 (ggc_set_mark_tree): Likewise.
20595 * ggc-simple.c (ggc_root): Don't define.
20596 (roots): Don't declare.
20597 (ggc_mark_rtx): Remove.
20598 (ggc_mark_rtvec): Likewise.
20599 (ggc_mark_tree): Likewise.
20600 (ggc_mark_varray): Likewise.
20601 (ggc_mark_tree_hash_table_entry): Likewise.
20602 (ggc_mark_tree_hash_table): Likewise.
20603 (ggc_set_mart_rtx): New function.
20604 (ggc_set_mark_rtvec): Likewise.
20605 (ggc_set_mark_tree): Likewise.
20606 (ggc_add_root): Remove.
20607 (ggc_add_rtx_root): Likewise.
20608 (ggc_remove_tree_root): Likewise.
20609 (ggc_add_string_root): Likewise.
20610 (ggc_add_tree_varray_root): Likewise.
20611 (ggc_add_tree_hash_table_root): Likewise.
20612 (ggc_del_root): Likewise.
20613 (ggc_mark_rtx_ptr): Likewise.
20614 (ggc_mark_tree_ptr): Likewise.
20615 (ggc_mark_string_ptr): Likewise.
20616 (ggc_mark_tree_varray_ptr): Likewise.
20617 (ggc_mark_tree_hash_table_ptr): Likewise.
20618 * ggc-common.c: New file.
20619 * Makefile.in (OBJS): Add ggc-common.o.
20620 (ggc-common.o): List dependencies.
20622 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20624 * cppalloc.c (xstrdup): Use memcpy.
20625 * cpperror.c (cpp_print_containing_files): Don't use
20627 * cpplib.c (conditional_skip): Set temp->lineno.
20628 (do_endif): Make error message less obscure.
20629 (if_directive_name): New function.
20630 (cpp_get_token [case EOF]): Unwind the if stack and generate
20631 error messages for each unterminated conditional in this file.
20632 (parse_string): Do not behave differently if -traditional.
20634 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20636 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20637 va_list decomposing to pointer-type.
20638 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20639 (rs6000_va_arg): Likewise.
20641 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20643 * except.c (start_dynamic_handler): Compute size using
20644 STACK_SAVEAREA_MODE.
20646 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20648 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20649 include directory headers. Don't define strrchr. Don't provide
20650 my_* replacement functions. Prefer PTR over `pointer_type'.
20651 Don't prototype system functions. Don't redefine getopt.
20653 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20654 safe_read, safe_write, save_pointers, restore_pointers,
20655 is_id_char, in_system_include_dir, directory_specified_p,
20656 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20657 find_corresponding_lparen, referenced_file_is_newer,
20658 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20659 process_aux_info_file, identify_lineno, check_source,
20660 seek_to_line, forward_to_next_token_char, output_bytes,
20661 output_string, output_up_to, other_variable_style_function,
20662 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20663 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20664 find_static_definition, connect_defs_and_decs, add_local_decl,
20665 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20666 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20667 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20668 scan_for_missed_items, edit_file, string_list_cons): Add static
20670 (standard_exec_prefix, target_machine, target_version,
20671 default_syscalls_dir, string_list, string_list_cons, find_file,
20672 do_cleaning): Constify a char*.
20673 (safe_read, safe_write): Use PTR, not a char*.
20674 (is_id_char): Take an int, not a char.
20675 (main): Add prototype. Call return, not exit.
20677 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20679 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20680 when comparing types.
20682 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20684 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20685 (strength_reduce): Release the varrays from the no-bivs early exit.
20687 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20688 the loop over the registers.
20690 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20692 (restore_tree_status): Check that instead when freeing the obstack.
20694 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20696 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20699 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20701 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20702 operand size modifiers.
20704 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20706 * c-common.c (c_common_nodes_and_builtins): Don't build
20708 * c-common.h (enum c_tree_index and related accesor macros): Remove
20709 everything now declared in tree.h.
20710 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20711 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20712 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20713 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20714 unsigned_type_node, ptr_type_node, va_list_type_node,
20715 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20716 (init_decl_processing): Call build_common_tree_nodes and
20717 build_common_tree_nodes_2 instead of building their nodes here.
20718 Don't add roots for these nodes.
20719 * stor-layout.c (size_zero_node, size_one_node): Delete.
20720 (set_sizetype): Make a new node for bitsizetype each time.
20721 * tree.c (global_trees): New variable.
20722 (init_obstacks): Add a gc root for it.
20723 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20724 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20725 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20726 (build_common_tree_nodes): New function.
20727 (fix_sizetype): New function.
20728 (build_common_tree_nodes_2): New function.
20729 * tree.h (enum tree_index): New.
20730 (global_trees): Declare.
20731 Add accessor macros for all nodes now moved to global_trees.
20732 Delete their declarations.
20734 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20736 * c-decl.c (finish_function): When processing a nested function,
20737 push and pop GC context around rest_of_compilation.
20739 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20741 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20742 Default ix86_arch to PROCESSOR_I386.
20743 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20744 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20745 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20746 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20747 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20748 (EXTRA_SPECS): Remove deleted specs.
20750 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20752 * function.c (assign_stack_local_1): Allocate from
20753 function->x_frame_offset, not frame_offset.
20755 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20757 * ggc.h (lang_cleanup_tree): Remove.
20758 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20759 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20761 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20762 TYPE_LANG_SPECIFIC when garbage collecting.
20763 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20764 (lang_cleanup_tree): Remove.
20766 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20768 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20769 * crtstuff.c: Not here.
20770 * dwarf2out.c: Or here.
20771 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20774 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20776 * function.h (free_after_compilation): Remove decl parameter.
20777 (free_varasm_status0: Likewise.
20778 (free_emit_status): Likewise.
20779 (free_stmt_status): Likewise.
20780 (free_after_compilation): Likewise.
20781 (init_lang_status): New variable.
20782 (free_lang_status): Likewise.
20783 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20784 * function.c (init_lang_status): New variable.
20785 (free_lang_status): Likewise.
20786 (push_function_context_to): Don't set function::decl here.
20787 (free_after_copmilation): Make decl parameter implicit. Call
20788 free_lang_status if defined.
20789 (prepare_function_start): Call init_lang_status if defined.
20790 (init_function_start): Set function::decl here.
20791 * profile.c (output_func_start_profiler): Don't call pushdecl
20792 until we've actually started the function.
20793 * stmt.c (free_stmt_status): Make decl parameter implicit.
20794 * toplev.c (rest_of_compilation): Don't pass decl to
20795 free_after_compilation.
20796 * varasm.c (free_varasm_status): Likewise.
20798 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20800 * except.c (call_get_eh_context): Add root when allocating static
20803 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20805 * arm.c: Include "ggc.h".
20806 (arm_add_gc_roots): New function.
20807 (arm_override_options): Call it.
20808 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20810 * arm.md (define_asm_attributes): Add a pool_range attribute.
20812 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20814 * extend.texi (Volatiles): New node.
20816 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20818 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20819 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20820 (struct ggc_any): Replace `mark' with `magic_mark'.
20821 (ggc_alloc_string): Use memcpy, not bcopy.
20822 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20823 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20824 (ggc_free_any): New.
20825 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20826 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20827 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20828 Use IS_MARKED. Use ggc_free_any.
20830 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20832 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20834 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20836 * toplev.c (main): Always init_ggc.
20838 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20840 * except.c (find_all_handler_type_matches): Free the list if
20841 we found no matches.
20843 * combine.c (SUBST): Break out to a real function do_SUBST.
20844 (SUBST_INT): Likewise.
20845 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20846 (pre_insert): Free `inserted'.
20847 * loop.c (basic_induction_var): Always set `location'.
20849 * function.c (expand_function_end): Add initial_trampoline as a root.
20850 * rtl.h (init_varasm_once): Declare.
20851 * toplev.c (compile_file): Call it.
20852 * ggc-simple.c (ggc_mark_string_ptr): New.
20853 (ggc_add_string_root): New.
20854 (ggc_collect): Disable collection avoidance temporarily.
20855 * ggc.h (ggc_add_string_root): Declare.
20856 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20857 * optabs.c (init_libfuncs): Likewise.
20858 * varasm.c (named_section): Use ggc_alloc_string.
20859 (make_function_rtl): Likewise.
20860 (make_decl_rtl): Likewise.
20861 (assemble_static_space): Likewise.
20862 (assemble_trampoline_template): Likewise.
20863 (output_constant_def): Likewise.
20864 (force_const_mem): Likewise.
20865 (mark_const_hash_entry): New.
20866 (mark_pool_sym_hash_table): New.
20867 (mark_varasm_state): Use it.
20868 (init_varasm_once): New.
20870 * expr.h (init_one_libfunc): Declare.
20871 * optabs.c (init_one_libfunc): New.
20872 (init_optabs): Use it.
20873 * config/gofast.h: Likewise.
20874 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20875 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20877 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20879 * Makefile.in (cppexp.o): Depend on cpphash.h.
20880 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20882 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20883 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20884 redefining poisoned identifiers, etc.
20885 (do_undef): Don't allow poisoned identifiers to be undefined.
20886 (do_pragma): Add #pragma poison.
20887 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20889 * cccp.c: Add T_POISON node type.
20890 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20892 (do_define): Generalise to handle poisoned definitions,
20893 redefining poisoned identifiers, etc.
20894 (do_undef): Don't allow poisoned identifiers to be undefined.
20895 (do_pragma): Add #pragma poison.
20896 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20898 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20899 * c-pragma.h: Add ps_poison state. We now always have generic
20902 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20904 * ggc.h (ggc_alloc): New function.
20905 (ggc_mark): Likewise.
20906 * ggc-simple.c (ggc_any): New structure.
20907 (ggc_status): Add anys.
20908 (n_anys_collected): New variable.
20909 (ggc_alloc): Define.
20910 (ggc_mark): Likewise.
20911 (ggc_collect): Collect the anys.
20913 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20915 * c-decl.c (mark_binding_level): Make static to match prototype.
20917 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20919 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20921 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20923 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20924 will use into account. Expand the max width to 5.
20927 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20929 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20930 for the rtx length.
20932 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20934 * alpha.md (call value patterns): Remove the result predicates.
20936 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20938 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20941 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20943 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20944 changed from extern char *, to extern PTR. Also fix typo in
20945 NEED_DECLARATION_REALLOC test.
20947 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20949 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20951 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20952 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20953 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20954 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20956 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20958 * cccp.c (pcfinclude): Likewise.
20960 * global.c (allocno_compare): Likewise.
20962 * haifa-sched.c (rank_for_schedule): Likewise.
20964 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20966 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20968 * stupid.c (stupid_reg_compare): Likewise.
20970 * tree.c (_obstack_allocated_p): Likewise.
20972 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20974 1999-09-08 Bruce Korb autogen@linuxbox.com
20976 * Makefile.in: Give the hapless gperf user a hint about
20977 why "gperf -F" fails.
20979 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20981 * lists.c: Include ggc.h.
20983 (init_EXPR_INSN_LIST_cache): Install it.
20985 * ggc-simple.c (init_ggc): Absorb the old init.
20986 (ggc_push_context): Use xcalloc.
20987 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20988 (ggc_collect): Add [rvts] tags to the collection stats.
20990 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20992 * cccp.c (main): Fix handling of -include and -imacros options.
20994 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20996 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20998 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21000 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
21003 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21005 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
21006 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
21007 and SET_DEST. Update comment.
21009 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21011 * config/c4x/c4x.c: Include ggc.h.
21012 (c4x_add_gc_roots): New function.
21013 (c4x_override_options): Call c4x_add_gc_roots.
21015 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
21017 * defaults.h (TARGET_ESC): Move ...
21018 * system.h: ... here, where Linas had it in the first place. Silly me.
21020 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
21022 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
21023 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
21024 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
21025 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
21026 * defaults.h (TARGET_ESC): Add default.
21028 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
21030 * configure.in: add i370-*-openedition, i370-*-mvs and
21031 i370-*-linux targets
21033 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
21035 * dsp16xxx.c: Include ggc.h
21036 (override_options): Mark GC roots.
21037 * mn10200.c: Include ggc.h.
21038 (asm_file_start): Mark GC roots.
21039 * tahoe.c: Include ggc.h.
21040 (extensible_operand): Mark GC roots.
21042 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
21044 * README: Add section discussing status of ELF ABI.
21045 * i370.c: Fix misc spelling mistakes.
21046 (i370_label_scan): Updated notes, exception handling.
21047 (i370_function_prolog): Simplify ELF stack handling.
21048 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
21049 (STACK_GROWS_DOWNWARD): ELF stack grows down.
21050 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
21051 * i370.md: (movdi): Add notes.
21052 (floatsidf2): Use stack not rtca for scratch float area.
21053 (iorsi3): Correct operand constraints.
21054 * x-oe: Restore TAROUTOPTS which are used by pax.
21056 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
21058 * rs6000.c: Include ggc.h.
21059 (rs6000_add_gc_roots): New function.
21060 (override_options): Call it.
21062 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
21064 * alpha.h (alpha_compare): New.
21065 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
21066 * alpha.c: Likewise for the definitions.
21067 (alpha_emit_conditional_branch): Update for alpha_compare.
21068 (alpha_emit_conditional_move): Likewise.
21069 * alpha.md (cmpdf, cmpdi): Likewise.
21070 (setcc patterns): Likewise. Zero alpha_compare after use.
21071 (sne): Optimize (x != 0) into (0U < x).
21073 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
21075 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
21076 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
21077 (INIT_EXPANDERS): Remove.
21078 * alpha.c: Include ggc.h.
21079 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
21080 (alpha_init_machine_status, alpha_mark_machine_status): New.
21081 (override_options): Install them.
21082 (struct machine_function): Moved to alpha.h.
21083 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
21084 (alpha_init_expanders): Remove.
21085 (alpha_return_addr): Adjust to use current_function->machine.
21086 (alpha_ra_ever_killed): Likewise.
21087 (alpha_expand_epilogue): Likewise.
21088 * alpha.md (eh_epilogue): Likewise.
21090 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
21091 Melissa O'Neill <oneill@cs.sfu.ca>
21092 Geoffrey Keating <geoffk@cygnus.com>
21094 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
21095 call-used registers (call-saved registers must still be contiguous
21096 and end with r31, of course).
21098 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
21100 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
21101 (self_promoting_type_p): Delete.
21102 (self_promoting_args_p): Move ...
21103 * c-common.c: ... here.
21104 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
21105 (simple_type_promotes_to): New.
21106 * builtins.c (lang_type_promotes_to): New.
21107 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
21108 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
21109 * c-common.h: ... here.
21110 (self_promoting_args_p, simple_type_promotes_to): Declare.
21111 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
21112 (grokdeclarator): Likewise.
21113 * tree.h (lang_type_promotes_to): Declare.
21115 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
21117 Add some machine-dependent GC roots.
21118 * sparc.c: Include ggc.h.
21119 (sparc_add_gc_roots): New function.
21120 (mark_ultrasparc_pipeline_state): Likewise.
21121 (override_options): Call sparc_add_gc_roots.
21122 * pa.c: Include ggc.h.
21123 (pa_add_gc_roots): New function.
21124 (mark_deferred_plabels): Likewise.
21125 (override_options): Call pa_add_gc_roots.
21126 * mips.c: Include ggc.h.
21127 (mips_add_gc_roots): New function.
21128 (override_options): Use it.
21130 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21132 * cpperror.c (cpp_file_line_for_message): Constify a char*.
21134 * cppexp.c (parse_number, parse_charconst, cpp_lex,
21135 cpp_parse_expr): Add static prototypes.
21136 (parse_charconst): Don't cast away const-ness.
21137 (token): Constify a char*.
21139 * cppfiles.c (file_name_list, include_hash, find_include_file,
21140 finclude, initialize_input_buffer): Constify a char*.
21141 (file_cleanup, find_position): Add static prototypes.
21143 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
21144 collect_expansion): Add static prototypes.
21145 (cpp_install, create_definition, monthnames): Constify a char*.
21147 * cpphash.h (cpp_install): Likewise.
21149 * cppinit.c (known_suffixes, default_include,
21150 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
21151 (base_name, dump_special_to_buffer, initialize_dependency_output):
21152 Add static prototypes.
21154 * cpplib.c (my_strerror): Constify a char*.
21155 (null_underflow, null_cleanup, skip_comment, copy_comment,
21156 copy_rest_of_line, handle_directive, pass_thru_directive,
21157 get_directive_token, read_line_number, cpp_print_file_and_line,
21158 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
21159 v_cpp_warning_with_line, detect_if_not_defined,
21160 consider_directive_while_skipping): Add static prototypes.
21161 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
21162 cpp_pedwarn_with_file_and_line): Constify a char*.
21164 * cpplib.h (cpp_options, include_hash, progname, definition,
21165 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
21166 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
21167 find_include_file, deps_output, include_hash): Constify a char*.
21169 * cppmain.c (progname): Constify.
21170 (main): Add prototype. Use return, not exit.
21172 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
21173 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
21174 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
21175 check_protection): Add static prototype.
21177 (progname, recognized_macrom, recognized_extern): Constify a char*.
21178 (main): Add prototype.
21180 * gen-protos.c (progname): Constify a char*.
21182 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21184 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21185 (init_emit_once): Add more GC roots.
21186 * except.c (mark_func_eh_entry): New function.
21187 (mark_eh_node): Mark false_label and rethrow_label.
21188 (init_eh): Add more GC roots.
21189 * function.c (free_after_compilation): Take decl as a paramter.
21190 Call free_stmt_status.
21191 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21193 * function.h (free_after_compilation): Change prototype.
21194 (free_varasm_status): Likewise.
21195 (free_emit_status): Likewise.
21196 (free_stmt_status): New function.
21197 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21198 Remove, replacing with ...
21199 (ggc_status): New structure.
21200 (ggc_chain): New variable.
21201 (init_gcc): Define.
21202 (ggc_push_context): New function.
21203 (ggc_pop_context): Likewise.
21204 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21205 (ggc_alloc_rtvec): Likewise.
21206 (ggc_alloc_tree): Likewise.
21207 (ggc_alloc_string): Likewise.
21208 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21209 (ggc_mark_tree): Give language-dependent code a chance to mark
21211 (ggc_mark_tree_varray): Handle empty arrays.
21212 (ggc_collect): Adjust for use of ggc_chain. Clear
21213 bytes_alloced_since_last_gc.
21214 * ggc.h (ggc_pop_context): New function.
21215 (ggc_push_context): Likewise.
21216 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21217 * stmt.c (free_stmt_status): New function.
21218 (init_stmt_for_function): Clear last_expr_value.
21219 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21220 Conditionalize call to ggc_collect.
21221 (main): Call init_ggc.
21222 * tree.c (push_obstacks): Do the push, even when GC'ing.
21223 (push_obstacks_nochange): Likewise.
21224 (pop_obstacks): Liekwise.
21225 * varasm.c (free_varasm_status): Take decl as a parameter.
21227 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21229 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21230 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21231 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21232 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21234 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21236 * pa/x-pa-mpeix: New file for the MPE port.
21238 * pa/quadlib.asm: New file for long double support.
21240 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21241 * configure: Rebuilt.
21243 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21245 * final.c (shorten_branches): Fix last change.
21247 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21249 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21251 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21253 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21256 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21258 * c-aux-info.c (concat): Don't define.
21260 * cccp.c (my_strerror): Likewise. All callers changed to use
21262 (do_include): Call xstrdup, not xmalloc/strcpy.
21263 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21264 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21266 * collect2.c (my_strsignal): Likewise. All callers changed to use
21268 (locatelib): Call xstrdup, not xmalloc/strcpy.
21270 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21272 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21274 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21276 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21278 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21280 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21282 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21284 (find_all_handler_type_matches): Likewise. Don't check return
21286 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21287 xmalloc, not malloc.
21288 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21290 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21291 (init_spec): Call xcalloc, not xmalloc/bzero.
21292 (set_spec): Call xstrdup, not save_string.
21293 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21294 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21295 (process_command): Call xstrdup, not save_string.
21296 (main): Call xcalloc, not xmalloc/bzero.
21298 * gcov.c (xmalloc): Don't define.
21299 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21300 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21301 (output_data): Call xcalloc, not xmalloc/bzero.
21303 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21305 * mips-tdump.c (xmalloc): Don't define.
21306 (print_symbol): Call xmalloc, not malloc.
21307 (read_tfile): Call xcalloc, not calloc.
21309 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21310 Don't define. All callers of xfree/my_strsignal changed to use
21311 free/strsignal instead.
21312 (allocate_cluster): Call xcalloc, not calloc.
21314 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21315 Fix memory leak, free allocated memory.
21317 * prefix.c (translate_name): Call xstrdup, not save_string.
21318 (update_path): Likewise.
21320 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21322 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21323 Don't define. Callers of xfree/savestring2 changed to use
21324 free/concat instead.
21326 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21327 (init_elim_table): Likewise.
21329 * resource.c (init_resource_info): Likewise.
21331 * stupid.c (stupid_life_analysis): Likewise.
21333 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21334 (open_dump_file): Call concat, not xmalloc/strcpy/...
21335 (clean_dump_file): Likewise.
21336 (compile_file): Call xstrdup, not xmalloc/strcpy.
21338 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21340 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21341 * v850.c (v850_va_arg): New.
21343 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21345 * haifa-sched.c: Tidy comments.
21347 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21349 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21350 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21351 $(out_object_file)): Depend on ggc.h.
21352 * c-common.c: Include "ggc.h".
21353 (combine_strings): If doing GC, use ggc_alloc_string.
21354 * c-decl.c: Include "ggc.h".
21355 (ggc_p): Define with value 0.
21356 (mark_binding_level): New function.
21357 (init_decl_processing): Add GC roots.
21358 (mark_c_function_context): New function.
21359 (lang_mark_false_label_stack): New function.
21360 (lang_mark_tree): New function.
21361 (lang_cleanup_tree): New function.
21362 * c-lang.c: Include "ggc.h".
21363 (lang_init): Call c_parse_init.
21364 * c-lex.c: Include "ggc.h".
21365 (check_linenum): If doing GC, don't copy filenames to permanent
21367 * c-parse.in: Include "ggc.h".
21368 (c_parse_init): New function.
21369 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21370 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21372 * except.c (mark_eh_state): Mark more state.
21373 * function.c (mark_function_state): Likewise.
21374 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21375 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21376 * toplev.c (mark_file_stack): New function.
21377 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21378 (main): Add root for input_file_stack.
21380 * i386.c: Include "ggc.h".
21381 (ix86_mark_machine_status): New function.
21382 (override_options): Set mark_machine_status.
21384 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21386 * tree.c (copy_node): Copy node contents also if doing GC.
21388 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21390 * collect2.c (scan_libraries): Fix double-thinko :-).
21392 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21394 * collect2.c (scan_libraries): Fix thinko.
21396 * cse.c (delete_trivially_dead_insns): Do not skip the last
21397 insn if it is a real insn.
21399 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21401 * Makefile.in (ggc-simple.o): Depend on hash.h.
21402 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21403 (ggc_mark_tree_varray): Likewise.
21404 (ggc_mark_tree_hash_table): Likewise.
21405 * ggc-simple.c: Include hash.h.
21406 (ggc_mark_tree_hash_table_ptr): New function.
21407 (ggc_mark_tree_hash_table_entry): Likewise.
21408 (ggc_mark_tree_hash_table): Likewise.
21409 (ggc_add_tree_hash_table_root): Likewise.
21410 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21411 rtx, when defining fields.
21413 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21415 * profile.c (output_func_start_profiler): Remove apparently
21416 nonsensical call to start_sequence.
21418 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21420 * clipper/clipper.c (clipper_va_start): Fix typos.
21422 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21423 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21424 (spur_va_arg): New stub.
21426 * configure.in: Comment out pyramid.
21428 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21430 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21431 don't conflict with the bits that win32, cygwin, and dgux
21434 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21435 Bernd Schmidt <bernds@cygnus.co.uk>
21437 * integrate.c (function_cannot_inline_p): Do not inline
21438 functions with forced labels.
21440 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21441 Bernd Schmidt <bernds@cygnus.co.uk>
21442 Mark Mitchell <mark@codesourcery.com>
21444 * Makefile.in (ggc-simple.o): Depend on varray.h.
21445 (rtl.o): Depend on ggc.h.
21446 (genattrtab.o): Depend on ggc.h.
21447 (print-tree.o): Likewise.
21448 (fold-const.o): Likewise.
21449 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21450 (make_insn_raw): Don't cache insns when GC'ing.
21451 (emit_insn_before): Likewise.
21452 (emit_insn_after): Likewise.
21453 (emit_insn): Likewise.
21454 (start_sequence): Use xmalloc to allocate the sequence_stack.
21455 (end_sequence): Add free to free it.
21456 (gen_sequence): Don't cache insns when GC'ing.
21457 (clear_emit_caches): Don't use sequence_element_free_list.
21458 (init_emit): Use xcalloc, not xmalloc+bzero.
21459 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21460 * function.c (pop_function_context_from): Use free to free the
21461 fixup_var_refs_queue.
21462 (put_reg_into_stack): Allocate it with xmalloc.
21463 * genattrtab.c: Include ggc.h.
21464 (operate_exp): Don't use obstack_free when GC'ing.
21465 (simplify_cond): Likewise.
21466 (simplify_text_exp): Likewise.
21467 (optimize_attrs): Likewise.
21468 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21470 (gencode): Generate a #include for ggc.h.
21471 * ggc-callbacks.c (ggc_p): Define it to zero.
21472 * ggc-none.c (ggc_p): Likewise.
21473 * ggc-simple.c: Include varray.h.
21474 (ggc_mark_tree_varray): New function.
21475 (ggc_add_tree_varray_root): Likewise.
21476 (ggc_mark_tree_varray_ptr): Likewise.
21477 * ggc.h (ggc_p): Declare.
21478 (varray_head_tag): Likewise.
21479 (ggc_add_tree_varray_root): Declare.
21480 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21481 inconsistencies when GC'ing.
21482 * rtl.c: Include ggc.h.
21483 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21484 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21485 (rtx_free): Don't call obstack_free when GC'ing.
21486 * toplev.c (rest_of_compilation): Call ggc_collect after every
21488 * tree.c (push_obstacks): Do nothing, if GC'ing.
21489 (pop_obstacks_nochange): Likewise.
21490 (pop_obstacks): Likewise.
21491 (make_node): Use ggc_alloc_tree when GC'ing.
21492 (copy_node): Likewise.
21493 (get_identifier): Use ggc_alloc_string when GC'ing.
21494 (build_string): Likewise.
21495 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21496 (tree_cons): Likewise.
21497 (build1): Likewise.
21498 (type_hash_canon): Don't call obstack_free when GC'ing.
21500 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21502 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21503 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21505 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21506 Bernd Schmidt <bernds@cygnus.co.uk>
21507 Mark Mitchell <mark@codesourcery.com>
21509 * Makefile.in (stor-layout.o): Depend on ggc.h.
21510 (expr.o): Depend on ggc.h.
21511 (profile.o): Depend on ggc.h.
21512 (stor-layout.o): Depend on ggc.h.
21513 * emit-rtl.c (init_emit_once): Add gc roots.
21514 * expr.c: Include ggc.h.
21515 (emit_block_move): Add gc roots.
21516 (clear_storage): Likewise.
21517 * expr.h (init_stor_layout_once): New function.
21518 * profile.c: Include ggc.h.
21519 (init_arc_profiler): profiler_label is a root.
21520 * scan.c (make_sstring_space): Trust xrealloc to function
21521 correctly with first parameter NULL.
21522 * stor-layout.c: Include ggc.h.
21523 (set_sizetype): Add gc root.
21524 (init_stor_layout_once): New function.
21525 * toplev.c (compile_file): Call it.
21527 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21528 Bernd Schmidt <bernds@cygnus.co.uk>
21529 Mark Mitchell <mark@codesourcery.com>
21531 * Makefile.in (tree.o): Depend on ggc.h.
21532 (varasm.o): Likewise.
21533 (function.o): Likewise.
21534 (stmt.o): Likewise.
21535 (except.o): Likewise.
21536 (optabs.o): Likewise.
21537 (emit-rtl.o): Likewise.
21538 * emit-rtl.c: Include ggc.h.
21539 (sequence_element_free_list): Remove, and all references.
21540 (mark_sequence): New functions.
21541 (mark_emit_state): New function.
21542 * except.c: Include ggc.h.
21543 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21544 (mark_tree_label_node): New functions.
21545 (mark_eh_state): New function.
21546 * function.c: Include ggc.h.
21547 (mark_temp_slot, mark_function_chain): New functions.
21548 (mark_function_state): New function.
21549 (init_function_once): New function.
21550 * function.h (init_function_once): New function.
21551 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21552 * ggc.h (label_node): Declare.
21553 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21554 (lang_mark_false_label_stack): New function.
21555 (mark_temp_slot): Remove declaration.
21556 (mark_function_chain): Likewise.
21557 (mark_eh_state): Adjust prototype.
21558 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21560 * optabs.c: Include ggc.h.
21561 (mark_optab): New function.
21562 (init_optabs): Add gc roots.
21563 * stmt.c: Include ggc.h.
21564 (mark_cond_nesting, mark_loop_nesting): New functions.
21565 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21566 (mark_stmt_state): New function.
21567 * toplev.c (compile_file): Call init_function_once.
21568 * tree.c: Include ggc.h.
21569 (type_hash): Move declaration earlier in file.
21570 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21571 (init_obstacks): Add gc roots.
21572 (mark_type_hash): New function.
21573 * varasm.c: Include ggc.h.
21574 (mark_pool_constant): New function.
21575 (mark_varasm_state): New function.
21577 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21579 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21581 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21583 * c-decl.c (struct language_function): Renamed from struct c_function.
21585 (c_function_chain): Delete.
21586 (push_c_function_context): New arg F. Don't warn about nested
21587 functions here. Fill LANGUAGE elt of F. Delete code to update
21588 c_function_chain. Don't call push_function_context.
21589 (pop_c_function_context): New arg F. Restore from there instead of
21590 from c_function_chain. Don't call pop_function_context. Clear out
21591 LANGUAGE field of F when done.
21592 * c-lang.c: Include "function.h"
21593 (lang_init): Initialize save_lang_status and restore_lang_status.
21594 * c-parse.in (nested_function, nested_function_notype): Warn about
21595 nested functions. Call push_function_context/pop_function_context
21596 instead of the _c_ variants.
21597 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21599 * Makefile.in (c-lang.o): Update dependencies.
21601 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21602 regno_pointer_flag, regno_pointer_align.
21603 (gen_reg_rtx): Use xrealloc to enlarge them.
21604 (free_emit_status): New function.
21605 * function.c (mark_machine_status, mark_lang_status): New variables.
21606 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21607 in some bits from assign_stack_local. All callers changed to use new
21609 (assign_stack_local): Just call assign_stack_local_1.
21610 (free_after_compilation): New function.
21611 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21612 (trampoline_address): Likewise.
21613 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21614 (prepare_function_start): Explicitly clear some more variables.
21615 * function.h (struct function): New elt can_garbage_collect.
21616 (mark_machine_status, mark_lang_status): Declare variables.
21617 (free_after_compilation, free_emit_status, free_varasm_status,
21618 init_varasm_status): Declare functions.
21619 * toplev.c (rest_of_compilation): Call free_after_compilation when
21620 done with the current function.
21621 * varasm.c (free_varasm_status): New function.
21623 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21625 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21626 (EXPAND_BUILTIN_VA_ARG): Define.
21627 * sparc.c (sparc_va_start): New.
21628 (sparc_va_arg): New.
21630 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21632 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21634 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21636 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21638 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21640 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21641 (OBJS): Add $(GGC).
21642 (ggc-callbacks.o): New target.
21643 * ggc-callbacks.c: New file.
21645 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21647 * expr.h: Collapse individual optab and libfunc vars to arrays.
21648 (optab_index, libfunc_index): New enumerations.
21649 (optab_table, libfunc_table): New arrays.
21650 Add accessor macros for both.
21652 * optabs.c (optab_table, libfunc_table): New.
21653 Delete declarations for individual optab and libfunc vars.
21655 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21657 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21659 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21661 * Makefile.in (GGC, GGC_LIB): New.
21662 (HOST_RTL): Include ggc-none.o.
21663 (ggc-simple.o): New target.
21664 (ggc-none.o): Likewise.
21665 * tree.h (tree_common): Add gc_mark.
21666 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21667 (struct rtvec_def): Add gc_mark.
21668 * emit-rtl.c (global_rtl): Update static initializers to contain
21669 enough initializers.
21670 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21671 * toplev.c (gc_time): New variable.
21672 (all_time): New variable.
21673 (compile_file): Print gc time.
21674 (print_time): Calculate percentage of the whole.
21676 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21678 Change obstack memory management and varasm constant pool handling so
21679 that nested functions are treated like any other functions.
21680 * function.c (init_machine_status): New variable.
21681 (push_function_context_to): Set contains_functions for the outer
21682 function. Don't call save_varasm_status.
21683 (pop_function_context_from): Don't call restore_varasm_status. Don't
21684 set current_function_contains_functions.
21685 (prepare_function_start): Call init_varasm_status rather than
21686 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21688 * function.h (struct function) Add field varasm. Delete fields
21689 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21690 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21691 (init_machine_status): Declare.
21692 (save_varasm_status, restore_varasm_status): Delete declarations.
21693 (save_tree_status, restore_tree_status): Delete last argument.
21694 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21695 code. All callers changed.
21696 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21697 save_constants_in_decl_trees, restore_constants, save_constants,
21698 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21700 (inlining): New variable.
21701 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21702 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21704 (save_for_inline_nocopy): Don't save constants.
21705 Don't set inl_emit field in current_function.
21706 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21707 function. Set new variable inlining before
21708 calling copy_rtx_and_substitute.
21709 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21710 constant pool references if inlining is nonzero.
21711 Delete ADDRESS and (most of the) CONST cases.
21712 (output_inline_function): Save and restore current_function/
21713 current_function_decl. Delete restore_constants code. Don't call
21714 init_const_rtx_hash_table.
21715 * output.h (init_const_rtx_hash_table): Don't declare.
21716 * rtl.h (struct function): Declare.
21717 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21718 * toplev.c (rest_of_compilation): Don't treat nested functions or
21719 functions containing them specially. Delete all code to deal with
21720 save_for_inline_copying.
21721 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21722 inline_obstacks): Delete variables.
21723 (save_tree_status): Lose arg CONTEXT. All callers changed.
21724 Simply allocate a new function_maybepermanent_obstack for the new
21725 function, delete all the special cases.
21726 Don't save inline_obstacks.
21727 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21728 Delete special handling for function_maybepermanent_obstack; simply
21730 Don't restore inline_obstacks.
21731 (permanent_allocation): Delete code that frees inline_obstacks.
21732 (print_inline_obstack_statistics): Delete function.
21733 (dump_tree_statistics): Don't call it.
21734 * varasm.c (struct varasm_status): New.
21735 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21736 last_pool, pool_offset, const_double_chain): Delete global
21737 variables, replace with accessor macros.
21738 (immed_double_const): Don't walk const_double_chain outside a
21739 function, but don't treat nested functions specially anymore.
21740 (immed_real_const_1): Likewise.
21741 (clear_const_double_mem): Don't treat nested functions specially.
21742 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21743 (save_varasm_status, restore_varasm_status): Delete functions.
21744 (init_varasm_status): New function.
21745 (force_const_mem): Don't treat nested functions specially.
21746 (find_pool_constant): Accept new arg F, search for constants in
21747 that function's pool rather than the current one. All callers
21749 (get_pool_constant_for_function, get_pool_mode_for_function): New
21752 * i386.c (init_386_machine_status): New function, mostly from
21753 clear_386_stack_locals.
21754 (struct machine_functions): Rename element names to avoid name
21756 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21757 macros, replacing global variables.
21758 (clear_386_stack_locals, save_386_machine_status,
21759 restore_386_machine_status): Delete functions.
21760 (override_options): Initialize init_machine_status.
21761 * i386.h (INIT_EXPANDERS): Delete macro.
21762 (save_386_machine_status, restore_386_machine_status,
21763 clear_386_stack_locals): Delete declarations.
21765 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21767 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21768 (doloop_begin): Simplify pattern and use emit_jump_insn.
21769 (doloop_end): Simplify pattern, switch operand order,
21770 and use emit_jump_insn.
21772 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21774 * function.h (struct function): Add new element LANGUAGE.
21775 (save_lang_status): Declare new variable.
21776 (restore_lang_status): Likewise.
21777 * function.c (save_lang_status): Define.
21778 (restore_lang_status): Likewise.
21779 (push_function_context_to): Call language-specific save function.
21780 (pop_function_context_from): Call language-specific restore function.
21782 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21784 * i386.md (movsf_1): Check REG_P before use of REGNO.
21785 (movdf_1): Likewise.
21786 (movxf_1): Likewise.
21787 (extendsfdf2): Likewise.
21788 (extendsfxf2): Likewise.
21789 (extenddfxf2): Likewise.
21791 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21793 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21794 constants into memory.
21795 (c4x_shiftable_constant): New function.
21796 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21797 (c4x_shiftable_constant): Declare.
21798 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21799 ashlqi3_noclobber): Add new patterns and associated splitters.
21801 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21803 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21804 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21805 * final.c (shorten_branches): Likewise.
21806 * global.c (global_alloc): Likewise.
21807 * haifa-sched.c (build_control_flow): Likewise.
21808 * stmt.c (check_for_full_enumeration_handling): Likewise.
21809 (estimate_case_costs): Likewise.
21811 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21813 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21815 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21817 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21818 (recompute_reg_usage): Likewise.
21819 * rtlanal.c (find_regno_fusage): Likewise.
21821 * rtl.c (rtl_check_failed_code1): New function.
21822 (rtl_check_failed_code2): New.
21823 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21824 (RTL_CHECKC1, RTL_CHECKC2): New.
21825 (XC*): New accessor macros.
21826 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21827 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21828 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21829 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21830 (TRAP_*, RANGE_INFO_*): Likewise.
21832 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21834 * Makefile.in (tlink.o): Don't depend on toplev.h.
21836 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21837 output_file, nm_file_name, ldd_file_name, strip_file_name,
21838 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21839 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21840 fork_execute, maybe_unlink, add_to_list,
21841 extract_init_priority, write_list, dump_list,
21842 dump_prefix_list, write_list_with_asm, write_c_file,
21843 write_c_file_stat, write_c_file_glob, scan_prog_file,
21844 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21845 ignore_library, extract_string, notice, dump_file, target_machine,
21846 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21847 read_file, print_load_command): Constify a char*.
21848 (fdopen, error, fatal, fatal_perror): Don't prototype.
21849 (my_strerror): Remove. All callers use xstrerror instead.
21850 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21851 (main): Add prototype. Constify lots of char* ptrs. Change calls
21852 to xcalloc/strcpy/strcat/... to one call to concat.
21853 (main, scan_prog_file, scan_libraries): Use an intermediate
21854 `const char **' to build an argv array.
21855 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21857 * collect2.h (collect_execute, collect_wait, dump_file,
21858 file_exists): Constify a char*.
21859 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21860 temporary_firstobj, vflag, debug): Add extern declarations.
21861 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21863 * tlink.c: Don't include toplev.h.
21864 (vflag, debug, ldout, c_file_name, temporary_obstack,
21865 permanent_obstack, temporary_firstobj): Don't declare.
21866 (tlink_execute, frob_extension, symbol_hash_lookup,
21867 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21868 recompile_files, read_repo_files, demangle_new_symbols,
21869 scan_linker_output): Constify a char*.
21870 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21871 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21873 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21875 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21876 (relative) rather than jsr (absolute) subroutine call insns.
21877 * config/m68k/m68k-coff.h: Ditto.
21879 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21881 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21882 now rework these too.
21883 (arm_reorg): If an insn can't reach the end of the current pool,
21884 ensure that we emit that pool before the insn.
21886 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21888 * tlink.c (scan_linker_output): Skip the initial underscore in
21889 a mangled name if appropriate.
21891 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21893 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21894 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21895 error_with_ivar, gen_declarator, create_builtin_decl,
21896 my_build_string, generate_descriptor_table, generate_ivars_list,
21897 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21898 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21899 dump_base_name, lang_decode_option, build_encode_expr,
21900 start_class, finish_class, encode_pointer, really_start_method,
21901 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21903 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21904 Add static prototypes.
21905 (build_objc_string_decl, build_selector_reference_decl,
21906 encode_bitfield, build_class_reference_decl): Remove unused
21907 parameter, all callers changed.
21908 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21909 (objc_printable_name): Likewise. Change second parameter to type int.
21910 (init_objc): Use memcpy, not bcopy, to avoid casts.
21912 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21914 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21915 reg notes on a deleted insn.
21916 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21918 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21920 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21922 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21924 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21927 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21929 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21930 * tm.texi (MD_ASM_CLOBBERS): Document it.
21932 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21934 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21935 * except.c (expand_rethrow): Remove unused variable.
21936 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21937 * flow.c (replace_insns): Likewise.
21938 (create_edge_list, verify_edge_list): Likewise.
21939 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21941 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21942 is special code to run.
21943 (main): Don't define operands to emit_operand.
21944 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21946 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21948 * alpha/alpha.h (normal_memory_operand): Declare.
21949 (reg_no_subreg_operand): Declare.
21950 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21952 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21954 * c-parse.in (compstmt_primary_start): New, broken out of first
21955 part of compstmt handling in primary.
21956 (primary): Use it. Add an error clause.
21957 (compstmt_nostart): Renamed from compstmt; remove all
21958 initial invocations of compstmt_start.
21961 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21963 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21966 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21968 * combine.c (simplify_shift_const): Remove extra semicolon.
21969 * dwarf2out.c (remove_AT): Likewise.
21970 * expmed.c (expand_mult): Likewise.
21971 * gcov.c (create_program_flow_graph): Likewise.
21972 * reorg.c (mostly_true_jump): Likewise.
21974 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21976 * fold-const.c (fold_range_test): Do not try to fold the range
21977 test if the rhs or lhs has side effects.
21979 * combine.c (simplify_rtx): Recognize another case of a synthesized
21982 * varasm.c (mark_constant_pool): When marking indirect references,
21983 only look at SYMBOL_REFs.
21985 * except.c (expand_fixup_region_end): Do not peek at
21986 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21988 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21990 * flags.h: New variables align_loops, align_loops_log,
21991 align_jumps, align_jumps_log, align_labels, align_labels_log,
21992 align_functions, align_functions_log.
21993 * toplev.c: Define them.
21994 (f_options): Handle -falign-* when they have no argument.
21995 (main): Add logic to set variables for -falign-functions,
21996 -falign-jumps, -falign-labels, -falign-loops.
21997 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21998 (display_help): Change help to match options.
21999 * final.c (LABEL_ALIGN): Default to align_labels_log.
22000 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
22001 (LOOP_ALIGN): Default to align_loops_log.
22002 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
22003 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
22004 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
22005 * varasm.c (assemble_start_function): Handle align_functions.
22007 * config/sparc/sparc.h: Don't declare sparc_align_*.
22008 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
22009 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
22011 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
22013 * config/sparc/sparc.c: Delete sparc_align_loops,
22014 sparc_align_jumps, sparc_align_funcs and the corresponding string
22016 (sparc_override_options): Default align_functions on ultrasparc.
22017 Delete -malign-* handling.
22019 * config/mips/mips.c (override_options): On 64-bit targets,
22020 try to align code to 64-bit boundaries.
22021 (print_operand): New substitution, %~,
22022 which aligns labels to align_labels_log.
22023 * config/mips/mips.md (div_trap_normal): Use %~.
22024 (div_trap_mips16): Likewise.
22026 (absdi2): Likewise.
22027 (ffssi2): Likewise.
22028 (ffsdi2): Likewise.
22029 (ashldi3_internal): Likewise.
22030 (ashrdi3_internal): Likewise.
22031 (lshrdi3_internal): Likewise.
22032 (casesi_internal): Likewise.
22034 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
22036 Merge new ia32 backend from the branch!
22038 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
22039 See ChangeLog.P2 on new_ia32_branch for details.
22041 * rtl.h (stack_regs_mentioned_p): Delete prototype.
22042 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
22043 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
22044 * i386/gas.h (ASM_FILE_START): Define.
22045 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
22046 for name change of ix86_valid_decl_attribute_p.
22047 (i386_pe_valid_type_attribute_p): Similarly.
22049 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
22051 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
22052 to step through CC modes.
22054 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22056 * regmove.c (fixup_match_1): Don't move INSN in front of P if
22057 it would end up in the shadow of a live flags regsiter.
22059 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22061 * reload1.c: Fix many indentation problems.
22062 * reload.c: Likewise.
22064 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
22066 * alias.c (non_local_reference_p): Constify fmt.
22068 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
22070 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
22072 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
22074 * cse.c (delete_trivially_dead_insns): Do not delete stores to
22075 the internal_arg_pointer.
22077 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
22079 Merge peephole2 from new_ia32_branch:
22080 * Makefile.in (STAGESTUFF): Add *.peephole2.
22081 (mostlyclean): Likewise.
22082 (recog.o): Depend on resource.h.
22084 * final.c (peephole): Conditionalize decl on HAVE_peephole.
22085 (final_scan_insn): Likewise for the invocation of peephole.
22086 * genconfig.c (main): Look for peephole and peephole2 patterns.
22087 Emit HAVE_peephole* accordingly.
22088 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
22089 * flags.h (flag_peephole2): Declare.
22090 * toplev.c: New pass peephole2. New flag -fpeephole2.
22092 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
22093 * gencodes.c (main): Likewise.
22094 * genextract.c (main): Likewise.
22095 * genoutput.c (main): Likewise.
22096 * genemit.c (max_operand_1): Look for the max scratch operand.
22097 (gen_rtx_scratch): New.
22098 (gen_exp): Use it, and pass on new arg subroutine_type.
22099 (gen_expand): Take max scratch into account.
22100 (gen_split): Emit peephole2 functions.
22101 (output_peephole2_scratch): New.
22102 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
22103 * genrecog.c (routine_type): Add PEEPHOLE2.
22105 (make_insn_sequence): Match outer parallel for peep2. Discard
22106 top level scratches and dups.
22107 (add_to_sequence): New args insn_type and top. Update all callers.
22108 Handle toplevel peep2 matching insns.
22109 (write_subroutine): Handle peep2.
22110 (write_tree_1): Likewise.
22111 (write_tree): Likewise.
22113 (change_state): New arg afterward. Update all callers.
22114 Handle matching separate insns.
22115 * recog.c (recog_next_insn): New.
22116 (peephole2_optimize): New.
22117 * rtl.def (DEFINE_PEEPHOLE2): New.
22118 * resource.c (find_free_register): New argument last_insn. Use it
22119 to find a register available through the entire span.
22120 * resource.h (find_free_register): Update prototype.
22122 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
22124 * i386.c (output_strlen_unroll): Don't write xops[7]
22125 label if it wasn't set.
22127 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
22129 * cpplib.c (struct directive): Const-ify name pointer and
22130 function pointer prototype.
22131 (validate_else, do_define, do_line, do_include, do_undef,
22132 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
22133 do_elif, do_endif, do_sccs, do_assert, do_unassert,
22134 do_warning): Const-ify second arg.
22135 (directive_table): Mark const. Reorder entries by frequency
22136 of usage, record statistics.
22138 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
22140 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
22141 bounds- check RTL accesses if --enable-checking.
22142 (RTVEC_ELT): Bounds check if --enable-checking.
22143 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
22144 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
22145 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
22147 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
22148 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
22150 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
22151 (NOTE_SOURCE_FILE): Use X0STR.
22152 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
22153 MEM_ALIAS_SET): Use X0INT.
22154 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
22155 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
22157 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
22158 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
22159 (rtl_check_failed_bounds, rtl_check_failed_type1,
22160 rtl_check_failed_type2, rtvec_check_failed_bounds): New
22162 (fancy_abort): Fix comment.
22164 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
22165 (cse_insn): Decrement LABEL_NUSES for jump target before
22166 deleting jump insn.
22167 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
22168 * final.c (alter_subreg): Compute regno before changing x to
22169 REG; set REGNO(x) after changing it.
22170 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
22171 notes containing CONST_INTs.
22172 (delete_eh_regions): Use NOTE_EH_HANDLER.
22173 * function.c (put_reg_into_stack): Make reg a MEM before
22175 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
22177 (gen_mem_addressof): Make reg a MEM before initializing it.
22178 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
22180 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
22181 deleting an insn, not after.
22182 (block_alloc): Only look at PATTERN(insn) if we have to, and
22183 only if it's format class 'i'.
22184 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22185 CONST_INT before using its INTVAL.
22186 * print-rtl.c (print_rtx): Use X0STR.
22187 * regmove.c (fixup_match_1): Don't look at PATTERN of
22188 non-class-'i' insn chain elements.
22189 * reload.c (loc_mentioned_in_p): Take address of
22190 in->fld[1].rtx directly.
22191 * reload1.c (reload): Change reg to a MEM before initializing
22193 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22195 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22197 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22199 * config/mips/mips.c (machine_dependent_reorg): Force a
22200 barrier to output the local constant pool if a barrier hasn't
22201 been found at a natural point in the instruction stream.
22203 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22205 * c-parse.in (language_string): Constify.
22207 * dwarf2out.c (language_string): Remove declaration.
22209 * dwarfout.c (language_string): Likewise.
22211 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22213 * tree.h (language_string, init_parse, finish_parse): Declare.
22215 * i386/sun386.h (language_string): Remove declaration.
22217 * mips.h (language_string): Likewise.
22219 * nextstep.h (language_string): Likewise.
22221 * nextstep21.h (language_string): Likewise.
22223 * rs6000.c (language_string): Likewise.
22225 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22227 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22228 (getpwd.o): Remove target.
22230 * getpwd.c: Delete file. Its in libiberty now.
22232 * dbxout.c (getpwd): Don't prototype.
22233 * dwarf2out.c (getpwd): Likewise
22234 * dwarfout.c (getpwd): Likewise
22235 * final.c (getpwd): Likewise.
22236 * protoize.c (getpwd): Likewise.
22238 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22240 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22242 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22244 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22245 mark_set_resources.
22247 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22249 * fixinc/Makefile.in (subdir): New.
22250 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22253 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22255 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22256 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22259 * invoke.texi: Fix typo.
22261 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22262 changed. Handle autoincrement addressing modes.
22264 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22265 just like we would the virtual incoming args register when
22268 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22270 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22271 path, in .file directive.
22273 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22275 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22278 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22280 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22283 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22285 * tree.c (tree_code_name): Constify a char*.
22287 * tree.h (tree_code_name, decl_printable_name): Likewise.
22289 * function.h (struct function): Likewise.
22291 * toplev.c (decl_name, decl_printable_name): Likewise.
22293 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22295 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22296 (init_objc): Remove function pointer cast.
22298 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22300 * pa.md (interspace_jump): New pattern.
22301 (builtin_longjmp): New expander.
22303 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22305 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22306 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22307 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22309 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22311 * jump.c (delete_prior_computation): Also check calls
22312 to constant functions. Don't bother checking for a
22313 REG_UNUSED note before adding it.
22314 (delete_computation): Handle multi-word hard registers
22315 when synthesizing missing REG_DEAD notes for a register
22316 which is both set and used by an insn.
22318 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22320 * loop.c (this_loop_info): New variable.
22321 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22322 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22324 (prescan_loop, strength_reduce): New argument loop_info. All callers
22326 (scan_loop): New variable loop_info, initialise to address of
22328 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22329 Delete variable loop_has_multiple_exit targets and replace with
22330 field in this_loop_info.
22331 (find_and_verify_loops): Rename this_loop to this_loop_num.
22332 (strength_reduce): Delete loop_iteration_info. Replace variable
22333 loop_info with function argument of same name.
22334 (insert_bct): Rework test for loop being completely unrolled.
22336 * loop.h (struct loop_info): New fields num, loops_enclosed,
22337 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22338 has_indirect_jump, and cont. Redefine use of unroll_number.
22339 (loop_unroll_number): Delete.
22341 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22342 field of loop_info.
22343 (loop_iterations): Delete variable vtop and instead use
22344 loop_info->vtop computed in prescan_loop.
22346 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22348 * fix-header.c (main): Do not pass a null pointer to strcmp.
22350 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22352 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22354 * configure: Rebuilt.
22356 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22358 * jump.c (jump_optimize_1): Do not delete assignments to
22359 internal_arg_pointer.
22360 * cse.c (delete_trivially_dead_insns): Always consider a set of
22361 the internal_arg_pointer live.
22363 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22365 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22366 (update_life_info) [REG_WAS_0]: Search the original insns rather
22367 than the new insns for the note. Fix typos finding note_dest.
22368 If no dest found, discard the note rather than abort.
22369 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22370 (replace_insns): Remove the old insn list after update_life_info
22373 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22375 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22376 sched_analyze_insn.
22377 (sched_analyze_1): Let add_dependence care for not adding dups.
22378 (sched_analyze_2): Likewise.
22379 (add_branch_dependences): Likewise.
22381 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22383 * i386/winnt.c (export_list): New type.
22384 (exports_head): Rename to
22385 (export_head): this.
22386 (i386_pe_record_exported_symbol): Add is_data flag.
22387 (i386_pe_asm_file_end): Emit directive for exported variables.
22388 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22390 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22391 (ASM_DECLARE_OBJECT_NAME): Likewise.
22392 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22393 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22395 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22397 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22399 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22402 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22404 * config/openbsd.h: Define SET_ASM_OP.
22405 * tm.texi: cross-reference SET_ASM_OP in the index.
22407 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22409 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22410 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22411 and class_narrowest_mode at compile time. Kill init_rtl.
22412 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22413 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22414 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22416 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22418 * rtl.h: Declare rtx_length and rtx_format as const.
22419 * machmode.def: Define CC(). Use CC() to define CCmode. If
22420 EXTRA_CC_MODES is defined, expand it here.
22421 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22422 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22423 const. Kill all references to EXTRA_CC_MODES.
22425 * toplev.c: Don't prototype or call init_rtl.
22426 * optabs.c: Don't call init_mov_optab.
22427 * genemit.c: Don't generate init_mov_optab. Don't call
22429 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22431 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22432 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22433 genrecog.c: Don't call init_rtl.
22435 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22436 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22437 definition of EXTRA_CC_MODES.
22439 * md.texi: Kill ref to EXTRA_CC_NAMES.
22440 * tm.texi: Document new way to define EXTRA_CC_MODES.
22442 * genrecog.c: Do not look up the name of a define_split.
22443 (Unrelated bugfix.)
22445 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22447 * config/v850/v850.md: Fix typo introduced by previous delta.
22449 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22451 * gcc.c (fatal): Make definition static to match prototype.
22453 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22455 * combine.c (get_last_value): Don't look for earlier sets if the last
22456 known set is somewhere in between the insns being combined.
22458 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22460 * configure.in: Don't use shell ! to negate exit codes
22461 * configure: Regenerate
22463 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22465 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22466 the fact that ALIGN is measured in bits, not bytes.
22468 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22470 * errors.c: New file; defines functions error, warning, and
22471 fatal, variables have_error and progname.
22472 * errors.h: New file; prototypes and decls for stuff in errors.c.
22474 * Makefile: Add rules to build errors.o and
22475 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22476 genopinit, genrecog, genextract, genpeep, genattr, and
22477 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22478 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22479 genpeep.o, genattr.o, and genoutput.o.
22481 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22482 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22483 define or prototype fatal. Set progname at beginning of main.
22484 * genoutput.c: Likewise, and don't define or prototype error
22487 * c-typeck.c (c_expand_start_case): Return immediately if exp
22489 * fold-const.c (operand_equal_p): Return immediately if arg1
22490 or arg0 are ERROR_MARKs.
22491 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22492 fields of type ERROR_MARK when calculating if the record can
22495 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22496 with much help from Jeffrey A Law and Richard Henderson
22498 * i386.md: In the 6 insns which call output_fix_trunc,
22499 earlyclobber operands[0].
22501 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22503 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22504 creating new registers.
22506 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22508 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22509 i386_reg_alloc_order, i386_regparm_string,
22510 i386_align_loops_string, i386_align_jumps_string,
22511 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22512 and i386_branch_cost_string as type "const char *".
22513 * i386.c: Define all above strings as type "const char *".
22515 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22517 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22518 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22520 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22522 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22523 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22525 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22527 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22528 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22529 (dwarf2out_line, dwarf2out_finish): Likewise.
22530 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22532 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22534 * tree.c (lang_unsave_expr_now) : Correct return type.
22535 * tree.h (lang_unsave_expr_now) : Same.
22537 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22539 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22540 instead of duplicating code.
22542 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22544 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22546 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22548 * tree.h: fancy_abort always takes three args.
22549 * resource.c: Move include of system.h before toplev.h.
22551 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22553 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22556 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22558 * system.h: Don't redefine abort or trim_filename.
22559 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22560 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22561 whether or not __FUNCTION__ is available.
22562 * tree.h: Duplicate rtl.h's definition of abort, for files
22563 that don't include rtl.h. Delete all code to perform type
22564 checking with a compiler other than GCC.
22565 * varray.h: Delete all code to perform type checking with a
22566 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22567 its arguments exactly once, using a statement expression.
22568 Adjust the VARRAY_<type> accessor macros to match.
22569 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22570 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22571 caller's location. Define fatal_insn and fatal_insn_not_found
22572 as macros that use _fatal_insn and _fatal_insn_not_found.
22573 (fancy_abort, trim_filename): Kill prototypes.
22575 * rtl.c (trim_filename): Move here from toplev.c.
22576 (fancy_abort): New function.
22577 (DIR_SEPARATOR): Provide default definition.
22578 * tree.c (tree_check_failed, tree_class_check_failed): Go
22579 through fancy_abort.
22580 (tree_check, tree_class_check, cst_or_constructor_check,
22581 expr_check): Delete.
22582 * varray.c (varray_check_failed): New function.
22583 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22584 _fatal_insn and _fatal_insn_not_found. Go through
22586 (trim_filename, fancy_abort): Delete.
22588 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22589 * except.c (start_catch_handler): Report ICE with error/abort
22591 * final.c (output_operand_lossage): Likewise.
22592 * flow.c (verify_flow_info): Likewise.
22594 * gcc.c: Prototype fatal.
22595 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22596 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22597 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22598 Don't define fancy_abort.
22600 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22602 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22605 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22607 * m88k.h (VERSION_INFO2): Kill.
22608 (VERSION_STRING): Kill.
22610 (VERSION_INFO1): Tidy.
22611 (TARGET_VERSION): Update.
22612 * m88k/dgux.h (VERSION_INFO2): Kill.
22613 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22614 * m88k/luna.h (VERSION_INFO1): Tidy.
22615 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22616 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22617 (output_file_start): Adjust for death of VERSION_STRING.
22619 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22621 * cpplib.c (detect_if_not_defined): New function.
22622 (do_if): Use it to detect potential once-only headers.
22624 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22626 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22628 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22630 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22631 anywere in the function only if they are pseudos and set before
22632 being used (not live at the start of the function).
22633 (num_sign_bit_copies) : Same.
22634 (get_last_value_validate) : Same.
22635 (get_last_value) : Same.
22637 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22639 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22640 where N and M are constant and N is an integer multiple of M.
22642 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22644 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22645 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22646 sbitmap_union_of_preds): Add prototypes.
22647 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22648 the intersection of successors with the new flow graph structures.
22649 (sbitmap_intersection_of_preds): New function to compute the
22650 intersection of predecessors with the new flow graph structures.
22651 (sbitmap_union_of_succs): New function to compute the union of
22652 successors with the new flow graph structures.
22653 (sbitmap_union_of_preds): New function to compute the union of
22654 predecessors with the new flow graph structures.
22655 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22656 (expr_reaches_here_p): Use edge and basic_block structures instead
22657 of s_preds and s_succs.
22658 (compute_cprop_avinout): Use new sbitmap routines.
22659 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22660 of s_preds and s_succs.
22661 * flow.c (compute_flow_dominators): Compute dominators using
22662 edges and basic blocks instead of s_preds and s_succs.
22664 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22666 * lists.c (unused_insn_list, unused_expr_list): New file for
22667 maintaining various types of lists. New statics for maintaining a
22668 cache of available INSN_LIST and EXPR_LIST nodes.
22669 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22670 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22671 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22672 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22673 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22674 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22675 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22676 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22677 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22678 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22679 (remove_dependence, free_pending_lists): Use new global routines.
22680 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22681 (sched_analyze, compute_block_backward_dependences): Use new routines.
22682 (sched_analyze_1, sched_analyze_2): Use new routines.
22683 (schedule_insns): Use new global routines.
22684 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22686 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22687 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22689 * toplev.c (rest_of_compilation): Initialize node cache.
22690 * Makefile.in (OBJS): Add lists.o to list of object files.
22691 (lists.o): Add dependancies.
22693 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22695 * config/v850/v850.md: Fix compile time warning messages.
22696 * config/v850/v850.c: Fix compile time warning messages.
22697 * config/v850/v850.h: Fix compile time warning messages.
22699 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22701 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22702 Remove unused prototype for `init_lengths'.
22704 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22706 * calls.c (emit_call_1): Mark parameter `stack_size' with
22708 (expand_call): Initialize variable `insn'.
22709 (emit_library_call): Likewise for variable `high_to_save'.
22710 (emit_library_call_value): Likewise.
22711 (store_one_arg): Likewise for variables `lower_bound' and
22714 * combine.c (try_combine): Likewise for variables `i2_code_number'
22715 and `other_code_number'.
22716 (find_split_point): Likewise for variables `pos', `unsignedp' and
22718 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22719 (simplify_and_const_int): Remove unused variable `width'.
22720 (merge_outer_ops): Likewise.
22722 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22723 HOST_WIDE_INT' when comparing against one.
22724 (simplify_relational_operation): Likewise.
22725 (cse_insn): Initialize variables `src_eqv_volatile',
22726 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22728 * final.c (init_final): Constify parameter `filename'.
22729 (final_start_function): Mark parameter `optimize' with
22731 (profile_function): Likewise for parameters `first' and `optimize'.
22732 (output_source_line): Likewise for parameter `file'.
22734 * integrate.c (subst_constants): Cast a value to `size_t' when
22735 comparing against one.
22736 (mark_stores): Initialize variable `mode'. Cast a value to
22737 `size_t' when comparing against one.
22739 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22741 * loop.c (move_movables): Initialize variable `first'.
22742 (strength_reduce): Likewise for variable `increment'.
22743 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22744 value to `size_t' when comparing against one.
22745 (load_mems): Initialize variable `end_label'.
22747 * output.h (init_final): Constify parameter.
22749 * reload.c (decompose): Initialize variable `base'.
22751 * reload1.c (reload): Likewise for variable `is_scalar'.
22752 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22753 (choose_reload_regs): Initialize variable `mode'.
22754 (emit_reload_insns): Likewise for variable `store_insn'.
22755 (reload_cse_noop_set_p): Mark parameter `insn' with
22757 (reload_combine): Initialize variable `set'.
22759 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22760 (copy_loop_body): Cast a value to `size_t' when comparing against
22763 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22764 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22765 (remove_from_pending_weak_list): Mark parameter `name' with
22768 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22770 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22773 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22775 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22776 (ASM_DECLARE_FUNCTION_NAME): Define.
22777 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22778 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22779 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22780 not already defined.
22782 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22784 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22785 of n_popped when call/call_value are not defined.
22787 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22789 * tm.texi: GNU CC -> GCC conversion.
22790 (CC1_SPEC): Indicate it is used for all language front ends.
22792 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22794 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22795 NOTE_INSN_EH_REGION_END correctly.
22797 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22798 Jeff Law <law@cygnus.com>
22800 * loop.c (strength_reduce): Automatically unroll loops if the
22801 unrolled loop size is smaller than the rolled loop size.
22803 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22804 and delete comment that code should be rewritten.
22806 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22808 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22811 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22813 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22815 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22816 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22817 (LINK_SPEC): Add -u _main when building executables.
22818 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22819 (ASM_FILE_END): Use the default for ix86-pe.
22820 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22822 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22824 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22825 and ASM_CLOSE_PAREN are empty strings.
22827 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22828 Geoffrey Keating <geoffk@cygnus.com>
22830 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22831 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22832 (unprotoize.o): Ditto.
22833 (test-protoize-simple): Don't define STD_PROTO_DIR.
22834 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22835 changes to make 'test-protoize-simple' pass.
22836 (STD_PROTO_DIR): Remove define.
22837 (STANDARD_EXEC_PREFIX): Supply default define.
22838 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22839 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22840 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22841 (GET_ENV_PATH_LIST): New macro.
22842 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22843 (do_processing): Initialize default_syscalls_dir using new
22844 macros. Use it to initialize syscalls_absolute_filename.
22846 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22848 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22849 B into a register before emit_conditional_move.
22851 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22853 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22854 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22855 multiplicand out of (+ (* a b) (* c d)).
22857 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22858 Richard Henderson <rth@cygnus.com>
22860 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22861 (new_insn_dead_notes): Likewise.
22862 (update_n_sets): Likewise.
22863 (update_flow_info): Move to flow.c, renamed to update_life_info;
22864 extend to handle multiple source insns.
22865 * flow.c: Include resource.h
22866 (unlink_insn_chain): New.
22867 (split_hard_reg_notes): New.
22868 (maybe_add_dead_note): New.
22869 (maybe_add_dead_note_use): New.
22870 (find_insn_with_note): New.
22871 (new_insn_dead_notes): New.
22872 (update_n_sets): New.
22873 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22874 (maybe_remove_dead_notes): New.
22875 (update_life_info): New.
22876 (prepend_reg_notes): New.
22877 (replace_insns): New.
22878 * output.h (update_life_info): Declare.
22879 * recog.c (split_block_insns): Use update_life_info.
22880 * resource.c (find_free_register): Use reg_alloc_order, don't use
22881 fixed regs, make sure the mode is supported, don't use new regs.
22883 * rtl.h (replace_insns): Declare.
22885 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22887 * expr.c (expand_expr): Cope with COND_EXPRs with one
22888 non-returning branch.
22890 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22892 * expr.c (store_expr): Always pass down the target, even when not
22895 1999-08-24 Nick Clifton <nickc@cygnus.com>
22897 * configure.in: Define target_cpu_default for v850 targets.
22898 * configure: Regenerate
22900 * config/v850/v850.h (TARGET_CPU_generic): Define.
22901 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22902 addresses are 4 byte aligned.
22904 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22907 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22909 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22910 (main): Add prototypes.
22912 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22913 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22914 (write_attr_get): Emit prototypes along with function definition.
22915 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22916 (write_complex_function): Emit static prototype along with
22917 function definition.
22919 * genemit.c (gen_split): Emit prototypes along with function
22922 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22923 Likewise for predicates and `insn_operand_predicate'.
22924 (process_template): Emit static prototype along with function
22927 * genrecog.c (make_insn_sequence): Constify a char*. Add
22928 prototypes for get_split_*().
22929 (write_subroutine): Emit prototypes along with function
22932 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22934 * gcse.c (find_avail_set): Follow chains of register-register copies.
22935 Use oprs_not_set_p to guarantee that the returned value can be
22937 (cprop_insn): Don't verify the return value of find_avail_set with
22940 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22941 (cprop_cc0_jump): New function.
22942 (cprop_insn): Break out new function cprop_jump and use it.
22943 Also use cprop_cc0_jump for machines with CC0.
22944 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22946 * tree.h (current_function_calls_setjmp,
22947 current_function_calls_longjmp): Delete declarations.
22948 * dsp16xx.c: Include "function.h".
22949 * elxsi.c: Likewise.
22950 * gmicro.c: Likewise.
22951 * h8300.c: Likewise.
22952 * i370.c: Likewise.
22953 * m32r.c: Likewise.
22954 * mn10200.c: Likewise.
22955 * mn10300.c: Likewise.
22956 * ns32k.c: Likewise.
22957 * spur.c: Likewise.
22958 * v850.c: Likewise.
22960 * rtl.h (rtx_equal_function_value_matters): Declare.
22961 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22963 * function.c: Likewise.
22964 * emit-rtl.c: Likewise.
22966 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22968 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22971 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22973 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22976 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22978 * cpp.texi: Add a node documenting macro varargs (copied
22981 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22983 * cppspec.c: Put a null pointer at the end of the new argv.
22985 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22987 * configure.in: Remove code to select/de-select the haifa
22988 scheduler. Every scheduled port gets haifa now.
22989 * configure: Rebuilt.
22990 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22992 * Makefile.in: Corresponding changes.
22994 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22996 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22997 All callers changed.
22998 (prepare_float_lib_cmp): Likewise.
22999 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
23000 * expr.h (emit_float_lib_cmp): Delete declaration.
23001 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
23002 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
23003 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
23005 (cmptf): Now conditional on TARGET_HARD_QUAD.
23007 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
23009 * resource.c (mark_target_live_regs): Use
23010 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
23012 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23014 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
23016 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
23018 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
23020 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23022 * rtl.h (rtx_format): Constify a char*.
23024 * rtl.c (rtx_format): Likewise.
23025 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
23026 (init_rtl): Use accessor macro, not `rtx_format'.
23028 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
23031 * caller-save.c (mark_referenced_regs): Likewise.
23033 * combine.c (subst, make_compound_operation, known_cond,
23034 gen_rtx_combine, update_table_tick, get_last_value_validate,
23035 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
23037 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
23038 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
23039 count_reg_usage): Likewise.
23041 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
23044 * final.c (leaf_renumber_regs_insn): Likewise.
23046 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
23047 dump_edge_info, count_reg_references): Likewise.
23049 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
23050 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
23053 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
23054 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
23055 add_label_notes): Likewise.
23057 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
23058 clear_struct_flag, count_sub_rtxs, count_alternatives,
23059 compares_alternatives_p, contained_in_p, walk_attr_value,
23060 write_expr_attr_cache): Likewise.
23062 * genconfig.c (walk_insn_part): Likewise.
23064 * genemit.c (max_operand_1, gen_exp): Likewise.
23066 * genextract.c (walk_rtx): Likewise.
23068 * genflags.c (num_operands): Likewise.
23070 * genoutput.c (scan_operands): Likewise.
23072 * genpeep.c (match_rtx): Likewise.
23074 * genrecog.c (add_to_sequence): Likewise.
23076 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
23079 * integrate.c (save_constants, copy_for_inline,
23080 copy_rtx_and_substitute, subst_constants, restore_constants):
23083 * jump.c (mark_jump_label, invert_exp, redirect_exp,
23084 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
23086 * local-alloc.c (contains_replace_regs, memref_referenced_p):
23089 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
23090 add_label_notes, replace_call_address, count_nonfixed_reads,
23091 invariant_p, find_single_use_in_loop, find_mem_givs,
23092 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
23095 * print-rtl.c (reg_names, print_rtx): Likewise.
23097 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
23099 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
23100 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
23101 print_blocks): Likewise.
23103 * regclass.c (fix_register, record_address_regs,
23104 reg_scan_mark_refs): Likewise.
23106 * regmove.c (stable_but_for_p): Likewise.
23108 * reload.c (loc_mentioned_in_p, operands_match_p,
23109 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
23110 copy_replacements, refers_to_regno_for_reload_p,
23111 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
23112 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
23115 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
23116 delete_address_reloads_1, count_occurrences,
23117 reload_cse_mem_conflict_p, reload_combine_note_use,
23118 add_auto_inc_notes): Likewise.
23120 * resource.c (mark_referenced_resources, mark_set_resources):
23123 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
23124 reg_mentioned_p, regs_set_between_p, modified_between_p,
23125 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
23126 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
23127 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
23128 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
23130 * sched.c (sched_analyze_2, attach_deaths): Likewise.
23132 * stupid.c (stupid_mark_refs): Likewise.
23134 * unroll.c (remap_split_bivs): Likewise.
23136 * varasm.c (mark_constants): Likewise.
23138 * a29k/a29k.c (uses_local_reg_p): Likewise.
23140 * alpha/alpha.c (summarize_insn): Likewise.
23142 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
23143 eliminate_lr2ip): Likewise.
23145 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
23147 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
23148 reg_mentioned_in_mem): Likewise.
23150 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
23151 symbolic_reference_mentioned_p): Likewise.
23153 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
23155 * sh/sh.c (regs_used, mark_use): Likewise.
23157 * vax/vax.c (vax_rtx_cost): Likewise.
23159 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23161 * machmode.h (mode_name): Constify a char*.
23163 * rtl.c (mode_name): Likewise.
23165 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
23167 * optabs.c (init_libfuncs): Constify a char*.
23169 * print-tree.c (mode_name): Remove redundant declaration.
23170 (print_node): Use accessor macro, not `mode_name'.
23172 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
23174 (new_spill_reg): Constify a char*.
23176 * tree.c (mode_name): Remove redundant declaration.
23178 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23180 * rtl.c (rtx_name): Constify a char*.
23182 * rtl.h (rtx_name, fix_sched_param): Likewise.
23184 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23185 (mypr): Use accessor macro, not `rtx_name'.
23187 * genemit.c (print_code): Constify a char*.
23189 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23191 * genpeep.c (print_code): Constify a char*.
23193 * genrecog.c (print_code): Likewise.
23195 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23196 end_bb): Add static prototype.
23197 (draw_edge): Constify a char*.
23198 (end_bb): Remove unused parameter.
23200 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23201 print_block_visualization): Constify a char*.
23203 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23205 * c-common.c (c_get_alias_set): Update comment.
23207 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23209 * linux.h (LIB_SPEC): Added.
23211 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23213 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23215 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23217 * tree.c (expr_check): Fix typo in last change.
23219 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23221 * rtl.def (NOTE): Change format to "iuu0n".
23222 (ADDR_DIFF_VEC): Change format to "eEee0".
23223 (ADDRESSOF): Change format to "eit".
23225 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23226 (RTVEC_ELT): Change to match.
23227 (XVECEXP): Use XVEC and RTVEC_ELT.
23228 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23229 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23230 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23231 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23232 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23233 (INTVAL): Use XWINT.
23234 (ADDRESSOF_DECL): Use XTREE.
23235 (SET_ADDRESSOF_DECL): Delete.
23236 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23237 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23238 ifdefed out since 2.6 at least.
23239 (gen_rtvec_vv): Delete prototype.
23241 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23243 (copy_most_rtx): Handle 't' format letter.
23244 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23245 (gen_rtvec_vv): Delete function. All callers changed to use
23246 gen_rtvec_v instead.
23247 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23248 the '0' format letter.
23250 * function.c (gen_mem_addressof): Don't use
23251 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23253 * integrate.c (copy_rtx_and_substitute): Likewise.
23254 Copy 't' slots with XTREE.
23255 (subst_constants): Treat 't' slots like '[swi]' slots.
23256 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23257 * jump.c (rtx_equal_for_thread_p): Likewise.
23258 * rtlanal.c (rtx_equal_p): Likewise.
23259 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23260 only four arguments.
23261 * gengenrtl.c (type_from_format): Provide correct types for
23265 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23266 If a recent gcc is in use (always in stage2 and beyond), use
23267 statement expressions, so we don't make a function call unless
23268 the check fails. Evaluate arguments exactly once.
23269 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23270 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23272 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23273 they evaluate their arguments exactly once, irrespective of
23274 the compiler in use.
23276 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23277 is used by the currently-enabled check macros. This is:
23278 (tree_check_failed, tree_class_check_failed): For gcc.
23279 (tree_check, tree_class_check, cst_or_constructor_check,
23280 expr_check): For other compilers.
23282 * gencheck.c: Do not define any *_CHECK1 macros.
23284 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23285 Mark Mitchell <mark@codesourcery.com>
23287 * c-common.c (c_get_alias_set): Fix support for poitners and
23290 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23292 * alias.c: Include tree.h.
23293 (nonlocal_reference_p, mark_constant_function): New functions.
23294 * flow.c (life_analysis): Call mark_constant_function.
23295 * rtl.h (mark_constant_function): Declare it.
23297 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23299 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23300 unrecognisable switches.
23302 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23304 * loop.c (recombine_givs): Set ix field after sorting.
23305 (recombine_givs): Remove bogus index / giv lockstep looping.
23307 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23309 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23311 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23312 (do_cmp_and_jump): Formatting fixes.
23313 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23314 do_compare_rtx_and_jump instead of compare_from_rtx.
23315 (do_compare_rtx_and_jump): New function; mostly copied from
23317 (do_jump_for_compare): Delete.
23318 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23320 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23321 of compare/do_jump_for_compare pairs.
23322 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23323 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23324 compare_from_rtx/do_jump_for_compare pairs.
23325 (do_jump_by_parts_equality): Likewise.
23326 (do_jump_by_parts_equality_rtx): Likewise.
23327 * expr.h (do_compare_rtx_and_jump): Declare.
23328 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23329 that used to be in emit_cmp_insn.
23330 (cmp_available_p): New function.
23331 (prepare_operand): New function.
23332 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23333 to be in emit_cmp_insn.
23334 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23335 parameters to be pointers; don't emit final compare but modify some of
23336 the values pointed to by the args so the caller can perform the
23337 correct comparison.
23338 (expand_binop): Call emit_store_flag_force with signed forms of
23340 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23341 emit_jump_insn pair.
23342 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23343 emit_cmp_and_jump_insn_1. Call emit_queue.
23344 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23346 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23347 jump sets cc0 before deleting it.
23348 * integrate.c (expand_inline_function): Likewise.
23349 * unroll.c (unroll_loop): Similar changes in several places.
23350 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23351 before deleting it.
23353 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23355 * Makefile.in (insn-recog.o): Update dependencies.
23356 * genrecog.c (main): Make generated file include "function.h".
23358 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23360 * cse.c (cse_insn): Call never_reached_warning when a jump is
23361 changed to be unconditional.
23362 * flags.h: Declare warn_notreached.
23363 * flow.c (delete_block): Call never_reached_warning when
23364 a block is deleted.
23365 * jump.c (delete_barrier_successors): Call never_reached_warning
23366 when we delete everything after a BARRIER.
23367 (never_reached_warning): New function.
23368 * rtl.h: Declare never_reached_warning.
23369 * toplev.c (warn_notreached): New variable.
23370 (lang_independent_options): Set warn_notreached
23371 when -Wunreachable-code.
23372 (compile_file): We need line numbers for -Wunreachable-code.
23374 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23376 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23377 * sched.c (insn_unit): Likewise.
23379 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23381 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23383 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23385 * flow.c (create_edge_list): Use xmalloc, not malloc.
23387 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23389 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23390 C-style comments. Do not lose the character before double slash.
23392 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23394 * basic-block.h (struct edge_list): Stucture to maintain a vector
23396 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23397 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23398 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23399 New function prototypes.
23400 * flow.c (create_edge_list): Function to create an edge list.
23401 (free_edge_list): Discards memory used by an edge list.
23402 (print_edge_list): Debug output showing an edge list.
23403 (verify_edge_list): Internal consistency check for an edge list.
23404 (find_edge_index): Function to find an edge index for a pred and succ.
23406 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23408 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23411 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23413 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23415 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23417 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23419 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23421 * toplev.c (rest_of_compilation): Allow machine dependent
23422 reorganisation pass to place information into the RTL dump
23423 file if it so wishes.
23425 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23427 * explow.c (hard_function_value): Use VOIDmode instead of
23429 * stmt.c (expand_return): Likewise.
23430 * stor-layout.c (get_best_mode): Likewise.
23432 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23433 emit call instead of emit_insn call.
23435 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23437 * configure.in: Handle --disable/enable-win32-registry.
23438 * install.texi: Document --disable/enable-win32-registry.
23439 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23440 (WIN32_REGISTRY_KEY): New macro.
23441 * prefix.c: Use to enable/disable win32-specific code.
23442 (lookup_key): Use versioned key.
23443 * configure: Regenerate.
23444 * config.in: Likewise.
23446 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23448 * cpplib.c (read_line_number): New fn, split out of...
23451 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23453 tree.c (lang_unsave_expr_now) : New.
23454 (unsave_expr_now): Call lang_unsave_expr_now.
23455 tree.h (lang_unsave_expr_now) : New.
23457 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23459 * toplev.c (flag_new_exceptions): On by default.
23461 1999-08-13 Michael Meissner <meissner@cygnus.com>
23463 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23465 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23467 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23468 INTEGER_TYPE with precision==1, it's __java_boolean.
23470 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23472 * global.c (prune_preferences): Move some invariants out of the
23475 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23477 * configure.in (alpha*-dec-osf*): Add osf5.
23479 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23481 * configure.in: Rework handling of ARM GNU/Linux slightly.
23482 (arm*-*-linux-gnuoldld): New target.
23483 * configure: Regenerate.
23484 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23485 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23486 * config/arm/linux-oldld.h: New file.
23487 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23488 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23490 * config/arm/linux-elf.h (ASM_SPEC): Define.
23491 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23492 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23493 for 26-bit APCS and old linker.
23494 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23496 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23497 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23498 don't define `arm' or `arm_elf'.
23499 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23500 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23502 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23504 * rtl.texi: Fix typo.
23506 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23508 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23510 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23512 * extend.texi (C++ Signatures): Remove node.
23513 * invoke.texi: Remove discussion of -fhandle-signatures,
23514 signature, sigof, __signature__, and __sigof__.
23516 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23518 * Makefile.in (JAVAGC): Removed.
23520 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23522 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23524 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23526 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23528 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23530 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23531 a register that is already known to be a pointer.
23533 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23535 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23536 * fixinc/inclhack.sh: Regenerated.
23537 * fixinc/fixincl.sh: Regenerated.
23539 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23541 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23542 Fix documentation of -ansi flag to describe its C++ behavior.
23543 Remove bogus reference to GCC 2.9.
23545 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23547 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23548 note if it is non-NULL.
23550 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23552 * except.h (eh_nesting_info): Add new structure defintion.
23553 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23554 (reachable_handlers, update_rethrow_references): Add function
23556 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23557 a rethrow symbol instead of an integer exception region number.
23558 * flow.c (Make_edges): Use new exception nesting routines to determine
23559 which handlers are reachable from a CALL or asynchronous insn.
23560 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23562 (delete_eh_regions): Update rethrow labels, and don't delete
23563 regions which are the target of a rethrow.
23564 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23565 avoid overloading the SYMBOL_REF_USED flag.
23566 (rethrow_symbol_map): Use new rethrow_ref field.
23567 (rethrow_used): Use new rethrow_ref field.
23568 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23569 of an integer. Fix formatting.
23570 (output_exception_table_entry): Use new rethrow_ref field.
23571 (can_throw): Check for EH_REGION_NOTE before deciding
23572 whether a CALL can throw or not.
23573 (scan_region): Call rethrow_used() instead of accessing data structure.
23574 (update_rethrow_references): New function to make sure only regions
23575 which are still targets of a rethrow are flagged as such.
23576 (process_nestinfo): New static function to initialize a handler
23577 list for a specific region.
23578 (init_eh_nesting_info): New function to allocate and initialize
23579 the list of all EH handlers reachable from all regions.
23580 (reachable_handlers): New function to retrieve the list of handlers
23581 reachable from a specific region and insn.
23582 (free_eh_nesting_info): New function to dispose of a list of
23583 reachable handlers.
23585 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23587 * flow.c (split_edge): Set JUMP_LABEL field.
23588 (commit_one_edge_insertion): Set head correctly for insert_before.
23589 When inserting insns, update insn block numbers if allocated.
23591 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23593 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23594 retry_incomplete_types): Add static prototype.
23595 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23596 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23597 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23598 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23599 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23602 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23603 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23605 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23607 * output.h (assemble_name): Constify a char*.
23609 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23610 assemble_variable, assemble_name): Likewise.
23612 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23614 * arm/pe.c (arm_pe_unique_section): Likewise.
23616 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23618 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23620 * i386/interix.c (i386_pe_unique_section): Likewise.
23622 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23624 * i386/winnt.c (i386_pe_unique_section): Likewise.
23626 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23628 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23630 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23632 * pa/pa.c (output_call): Likewise.
23634 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23636 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23638 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23641 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23644 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23646 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23647 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23649 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23651 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23653 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23655 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23657 * tree.h (lang_identify): Constify a char*.
23658 (print_error_function): Add extern prototype. Constify a char*.
23660 * c-lang.c (lang_identify): Constify a char*.
23662 * objc/objc-act.c (lang_identify): Constify a char*.
23664 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23666 * genpeep.c (main): Make generated file include "function.h".
23667 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23669 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23671 * Makefile.in: Update dependencies.
23672 * alias.c: Include "function.h"
23673 * c-decl.c: Likewise.
23674 * caller-save.c: Likewise.
23675 * calls.c: Likewise.
23676 * combine.c: Likewise.
23678 * explow.c: Likewise.
23679 * final.c: Likewise.
23680 * global.c: Likewise.
23681 * graph.c: Likewise.
23682 * local-alloc.c: Likewise.
23683 * loop.c: Likewise.
23684 * optabs.c: Likewise.
23685 * profile.c: Likewise.
23686 * recog.c: Likewise.
23687 * regclass.c: Likewise.
23688 * regmove.c: Likewise.
23689 * reload.c: Likewise.
23690 * reorg.c: Likewise.
23691 * resource.c: Likewise.
23692 * sched.c: Likewise.
23693 * stupid.c: Likewise.
23694 * config/1750a/1750a.c: Likewise.
23695 * config/a29k/a29k.c: Likewise.
23696 * config/arc/arc.c: Likewise.
23697 * config/arm/arm.c: Likewise.
23698 * config/arm/thumb.c: Likewise.
23699 * config/c4x/c4x.c: Likewise.
23700 * config/clipper/clipper.c: Likewise.
23701 * config/convex/convex.c: Likewise.
23702 * config/fx80/fx80.c: Likewise.
23703 * config/i860/i860.c: Likewise.
23704 * config/m68k/m68k.c: Likewise.
23705 * config/m88k/m88k.c: Likewise.
23706 * config/mips/mips.c: Likewise.
23707 * config/pdp11/pdp11.c: Likewise.
23708 * config/pyr/pyr.c: Likewise.
23709 * config/romp/romp.c: Likewise.
23710 * config/sh/sh.c: Likewise.
23711 * config/tahoe/tahoe.c: Likewise.
23712 * config/vax/vax.c: Likewise.
23713 * config/we32k/we32k.c: Likewise.
23714 * config/sparc/sparc.c: Include "function.h".
23715 (mem_min_alignment): Test current_function rather than
23716 regno_pointer_align.
23717 * config/pa/pa.c: Likewise.
23718 (compute_frame_size): Delete declaration of
23719 current_function_outgoing_args_size.
23720 * config/arc/arc.h (current_function_varargs): Delete declaration.
23721 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23723 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23725 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23726 current_function_uses_pic_offset_table.
23727 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23728 of current_function_returns_pointer.
23729 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23730 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23731 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23732 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23733 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23734 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23735 * config/m88k/m88k.c: Include "function.h"
23736 (call_used_regs, current_function_pretend_args_size,
23737 current_function_outgoing_args_size, frame_pointer_needed): Delete
23739 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23741 * config/mips/mips.h (current_function_calls_alloca): Delete
23743 * config/mn10200/mn10200.h (current_function_needs_context,
23744 rtx_equal_function_value_matters): Delete declarations.
23745 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23746 flag_pic): Delete declarations.
23747 * config/pa/pa.h (current_function_pretend_args_size,
23748 current_function_decl): Delete declarations.
23749 * config/pa/som.h (current_function_varargs): Delete declaration.
23750 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23752 * config/pyr/pyr.h (current_function_pretend_args_size,
23753 current_function_args_size, current_function_calls_alloca): Delete
23755 * config/sh/sh.h (current_function_varargs): Delete declaration.
23756 * config/sparc/sparc.h (current_function_outgoing_args_size,
23757 current_function_calls_alloca, current_function_decl): Delete
23759 * config/spur/spur.h (current_function_pretend_args_size,
23760 current_function_calls_alloca): Delete declarations.
23761 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23763 * config/vax/vms.h (current_function_name): Delete declaration.
23764 * gcse.c: Include "function.h".
23765 (current_function_name, current_function_calls_setjmp): Delete
23767 * haifa-sched.c: Include "function.h".
23768 (forced_labels): Delete declaration.
23769 * jump.c: Likewise.
23770 * reg-stack.c: Likewise.
23771 * reload1.c: Likewise.
23772 * genemit.c (main): Make generated file include function.h.
23773 * genoutput.c (output_prologue): Likewise.
23775 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23776 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23777 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23778 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23779 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23780 macros for some of them.
23781 (emit_filename, emit_lineno): Delete declarations.
23782 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23783 regno_pointer_* variables through current_function.
23784 (gen_inline_header_rtx): Delete function.
23785 (save_emit_status): Delete function.
23786 (set_new_last_label_num): New function.
23787 (clear_emit_caches): New function.
23788 (restore_emit_status): Just clear last_labelnum and call
23790 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23791 through macro seq_stack.
23792 (add_insn_after): Likewise.
23793 (add_insn_before): Likewise.
23794 (remove_insn): Likewise.
23795 (pop_topmost_sequence): Likewise.
23796 (in_sequence_p): Likewise.
23797 (start_sequence_for_rtl_expr): Likewise.
23798 (start_sequence): Likewise, and likewise for
23799 sequence_rtl_expr/seq_rtl_expr.
23800 (push_topmost_sequence): Likewise.
23801 (end_sequence): Likewise.
23802 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23803 All callers changed. Store into that pointer instead of globals.
23804 (init_emit): Allocate emit elt of current_function.
23805 Changes for sequence_rtl_expr/sequence_stack renaming.
23806 Call clear_emit_caches instead of doing it in-line.
23807 Access regno_pointer_* variables through current_function.
23808 (init_emit_once) Don't clear sequence_stack.
23810 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23812 (arg_pointer_save_area): Delete declaration.
23813 (finish_expr_for_function): Renamed from init_queue; no longer static.
23814 (init_expr): Don't call init_queue.
23815 (save_expr_status, restore_expr_status): Delete functions.
23816 (expand_expr): Changes to reflect new layout of struct function.
23817 Don't access current_function_check_memory_usage when current_function
23819 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23820 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23821 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23822 current_function_uses_const_pool, function_call_count,
23823 current_function_uses_pic_offset_table, nonlocal_labels,
23824 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23825 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23826 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23828 (finish_expr_for_function): Declare.
23829 * flags.h (current_function_has_nonlocal_label,
23830 current_function_has_nonlocal_goto, current_function_is_thunk,
23831 current_function_has_computed_jump): Delete declarations.
23832 * flow.c (forced_labels): Delete declaration.
23833 * function.c (current_function_pops_args,
23834 current_function_returns_struct, current_function_returns_pcc_struct,
23835 current_function_needs_context, current_function_calls_setjmp,
23836 current_function_calls_longjmp, current_function_has_nonlocal_label,
23837 current_function_has_nonlocal_goto, current_function_is_thunk,
23838 current_function_has_computed_jump, current_function_calls_alloca,
23839 current_function_contains_functions, current_function_returns_pointer,
23840 current_function_epilogue_delay_list, current_function_args_size,
23841 current_function_pretend_args_size, current_function_arg_offset_rtx,
23842 current_function_outgoing_args_size, current_function_varargs,
23843 current_function_stdarg, current_function_args_info, cleanup_label,
23844 current_function_name, current_function_uses_const_pool,
23845 current_function_instrument_entry_exit, current_function_return_rtx,
23846 current_function_uses_pic_offset_table, nonlocal_labels,
23847 current_function_internal_arg_pointer, current_function_cannot_inline,
23848 current_function_check_memory_usage, function_call_count,
23849 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23850 nonlocal_goto_stack_level, return_label, save_expr_regs,
23851 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23852 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23853 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23854 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23855 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23857 (push_function_context_to): Don't save them. Don't call
23858 save_storage_status, save_emit_status or save_expr_status.
23859 (pop_function_context_from): Don't restore them. Don't call
23860 restore_storage_status or restore_expr_status.
23861 (get_func_frame_size): New function.
23862 (get_frame_size): Use it.
23863 (assign_outer_stack_local): Reflect some member name changes in struct
23865 (put_reg_into_stack): Likewise.
23866 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23868 (fixup_var_refs): Likewise.
23869 (fix_lexical_addr): Likewise.
23870 (trampoline_address): Likewise.
23871 (prepare_function_start): Clear field inlinable of current_function.
23872 (init_function_for_compilation): New function.
23873 (expand_dummy_function_end): New function.
23874 (expand_function_end): Call finish_expr_for_function.
23875 * function.h (struct emit_status): New; fields moved here from struct
23876 function and from global variables. Add accessor macros for some of
23878 (struct expr_status): Likewise.
23879 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23880 (struct function): Add fields expr and emit, inlinable, inl_emit,
23881 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23882 inl_max_label_num. Add many comments.
23883 Add accessor macros for all elts of struct function that no longer
23884 have a global variable.
23885 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23886 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23887 stack_slot_list): Delete declarations.
23888 (get_func_frame_size): Declare.
23889 (save_expr_status, restore_expr_status, save_emit_status,
23890 save_storage_status, restore_storage_status): Delete declarations.
23891 (init_virtual_regs): Declare.
23892 * output.h (current_function_pops_args,
23893 current_function_returns_struct, current_function_returns_pcc_struct,
23894 current_function_needs_context, current_function_calls_setjmp,
23895 current_function_calls_longjmp, current_function_calls_alloca,
23896 current_function_has_nonlocal_label, current_function_varargs,
23897 current_function_has_computed_jump, current_function_returns_pointer,
23898 current_function_contains_functions, current_function_args_size,
23899 current_function_pretend_args_size, current_function_stdarg,
23900 current_function_outgoing_args_size, current_function_args_info,
23901 current_function_name, current_function_return_rtx,
23902 current_function_epilogue_delay_list,
23903 current_function_uses_const_pool, current_function_cannot_inline):
23904 Delete declarations.
23905 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23906 regno_reg_rtx): Delete declaration.
23907 (REGNO_POINTER_FLAG): Delete macro.
23908 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23909 function were renamed.
23910 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23912 * toplev.c: Include "function.h".
23913 (current_function_decl): Delete declaration.
23914 (compile_file): Call init_dummy_function_start and
23915 expand_dummy_function_end around some initializations that need to
23917 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23918 Call init_function_for_compilation.
23919 * unroll.c: Include "function.h"
23920 (unroll_loop): Access regno_pointer_* variables through
23923 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23924 (DECL_SAVED_INSNS): use it.
23925 (expand_dummy_function_end): Declare.
23926 (init_function_for_compilation): Declare.
23927 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23928 that it's no longer an INLINE_HEADER.
23929 (expand_call): Likewise.
23930 * integrate.c (finish_inline): Delete function.
23931 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23932 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23933 args. Don't generate an INLINE_HEADER rtx, just return the arg
23934 vector. All callers changed.
23935 (save_for_inline_copying): Create a duplicate struct emit_status to
23936 hold the emit state for compiling the current function. Use this and
23937 the other new fields in struct function that are for integration
23938 instead of an INLINE_HEADER.
23939 Use memcpy instead of bcopy.
23940 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23941 (save_for_inline_nocopy): Similar changes, except no new emit_status
23943 (expand_inline_function): Get information from function structure,
23944 not from an inline header rtx.
23945 (output_inline_function): Lose code to extract the necessary
23946 information from an inline header; simply put back the function
23947 structure into current_function. Clear its inlinable elt.
23948 * rtl.def (INLINE_HEADER): Delete.
23949 * rtl.h: Delete all accessors for an INLINE_HEADER.
23950 (gen_inline_header_rtx): Delete declaration.
23951 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23952 Delete declarations.
23953 (REGNO_POINTER_ALIGN): Delete.
23954 (clear_emit_caches): Declare.
23955 (set_new_last_label_num): Declare.
23957 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23959 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23961 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23962 * stmt.c (is_eh_region): Make sure current_function is present, too.
23964 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23966 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23967 for 64bit PA targets.
23969 * pa.h (SELECT_SECTION): Define.
23970 * som.h (SELECT_SECTION): Delete.
23972 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23974 * alias.c (init_alias_analysis): Wrap call to
23975 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23977 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23979 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23980 <sys/asm.h> contains an asm comment with an apostrophe
23981 * fixinc/inclhack.sh: regen
23982 * fixinc/fixincl.x: regen
23984 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23986 * function.c (init_function_start): Clear prologue & epilogue.
23987 (prologue_epilogue_contains): New function.
23988 * alias.c (init_alias_analysis): Use it.
23989 * rtl.h (prologue_epilogue_contains): Declare it.
23991 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23993 * jump.c (onlyjump_p): New function.
23994 * rtl.h: Declare it.
23995 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23996 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23998 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
24000 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
24001 to invert loops. Simplify block scanning.
24003 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24005 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
24006 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
24008 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
24010 * config/sparc/liteelf.h: New file to support sparclite-elf target
24011 * config/sparc/t-sp86x: New file to support sparc86x targets
24012 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
24013 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
24014 * configure.in: Support above target triplets
24015 * configure: Regenerated
24017 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
24019 * fixinc/server.c (server_setup): Do not prefix function used as
24020 parameter with `&'.
24022 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
24024 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
24025 Remove fp reg alternatives.
24027 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
24029 * Makefiin (TAROUTOPTS): Kill.
24030 (install-headers-tar): Use "xpf" for tar headerfile extraction
24031 * i370/x-oe (TAROUTOPTS): Delete.
24032 * m68k/x-apollo68 (TAROUTOPTS): Delete.
24033 * m68k/x-hp320 (TAROUTOPTS): Delete.
24034 * m68k/x-hp320g (TAROUTOPTS): Delete.
24035 * gcc.texi: Update bug reporting text.
24037 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24039 * reg-stack.c (change_stack) Fixed problem with negative array index.
24041 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
24043 * extend.texi, install.texi: Fix spelling mistakes.
24045 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
24046 (s-attrtab); No longer try to use pre-made insn-attrtab file.
24047 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
24048 PREMADE_ATTRTAB_MD.
24049 * mips/t-ecoff: Likewise.
24050 * mips/t-elf: Likewise.
24051 * mips/t-mips: Likewise.
24052 * mips/t-osfrose: Likewise.
24053 * mips/t-r3900: Likewise.
24054 * mips/t-svr3: Likewise.
24055 * mips/t-svr4: Likewise.
24056 * mips/t-ultrix: Likewise.
24058 * gcc.texi: Document recommend means to provide software floating
24059 point libraries in libgcc.a
24061 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
24063 * c-lex.c (yylex): We can have a number with no digits.
24065 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
24067 * jump.c (delete_prior_computation): New function, broken
24068 out of delete_computation. Check for side effects with
24069 side_effects_p instead of FIND_REG_INC_NOTE. Handle
24070 multi-word hard registers.
24071 (delete_computation): Use it. Check for side effects with
24072 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
24073 missing REG_DEAD note for a register which is both set and
24076 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
24078 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
24079 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
24080 (ASM_FILE_START): Import _mcount with the right type.
24081 (ASM_DECLARE_FUNCTION_NAME): Define.
24082 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
24083 * pa.c (output_function_prologue): Always emit the function's label
24085 * pa.h (TEXT_SPACE_P): Define.
24086 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24087 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
24088 * som.h (TEXT_SPACE_P): Delete.
24089 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24090 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
24092 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
24094 * expr.c (emit_group_load): Allow src to be a CONCAT.
24096 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24098 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
24099 (___mulsi3): Use '!' comment character.
24101 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24103 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
24105 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
24107 * gcc.c: Update URLs and mail addresses.
24108 * gcc.texi: Likewise.
24110 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
24112 * rs6000.c (current_file_function_operand): Return zero for
24114 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
24116 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
24119 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
24121 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
24122 allocate space in the stack frame for the PIC register.
24124 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
24126 * m68k.md (xordi3, anddi3): These patterns are not available on
24129 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
24131 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
24132 (PUT_REAL): Likewise.
24134 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24136 * final.c (shorten_branches): Don't add an alignment for loops
24137 that have no label inside.
24139 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24141 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
24142 prototypes in macro HAVE_cmpstrsi.
24144 * cpplib.c (cpp_get_token): Remove unused label `op3'.
24146 * emit-rtl.c (operand_subword): Remove unused variable
24149 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
24151 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
24153 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
24155 * cpphash.c (macroexpand): Delete leading whitespace when arg
24156 is concatenated before.
24157 (unsafe_chars): Correct test for whether + and - can extend a
24160 * cppinit.c (cpp_start_read): Do dependencies for
24161 -include/-imacros files also.
24163 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
24164 tokenizing non-directive lines.
24165 (cpp_expand_to_buffer): Temporarily disable no-output mode.
24166 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
24169 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24171 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
24173 * c-lex.c: Sync with C++ frontend.
24174 (linemode): New variable.
24175 (parse_float): imag, conversion_errno, and type are output only.
24176 (yylex): Adjust. Move initial '.' case into main switch.
24178 (handle_generic_pragma): Just deal with tokens.
24179 (readescape): Use ISXDIGIT and ISGRAPH.
24180 * c-parse.in: Add END_OF_LINE token.
24182 * c-lex.c (lang_init): Generalize.
24183 (nextchar): Remove. Replace uses with UNGETC.
24184 (skip_white_space): Handle linemode here. Optimize for cpplib.
24185 (skip_white_space_on_line): Remove.
24186 (extend_token_buffer_to): New fn.
24187 (extend_token_buffer): Use it.
24188 (read_line_number, check_newline): Just deal with tokens.
24189 (token_getch, token_put_back): New fns.
24190 (yylex): Use them. More cpplib optimizations. Simplify.
24192 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24193 Jason Merrill <jason@yorick.cygnus.com>
24195 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24196 (consume_string): Make this smart about USE_CPPLIB.
24197 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24198 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24199 Also, clean up cases where we redundantly set token_buffer[0].
24200 (read_line_number): New fn.
24201 (ignore_escape_flag): New variable.
24203 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24205 * a29k/t-a29kbare: Fix some comments.
24206 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24207 (FPBIT, DPBIT): Define.
24208 * a29k/t-vx29k: Likewise.
24209 * arc/t-arc: Likewise.
24210 * arm/t-arm-elf: Likewise.
24211 * arm/t-bare: Likewise.
24212 * arm/t-pe: Likewise.
24213 * arm/t-pe-thumb: Likewise.
24214 * arm/t-semi: Likewise.
24215 * arm/t-thumb: Likewise.
24216 * arm/t-thumb-elf: Likewise.
24217 * arm/t-thumb-linux: Likewise.
24218 * h8300/t-h8300: Likewise.
24219 * i960/t-i960: Likewise.
24220 * i960/t-vxworks960: Likewise.
24221 * m32r/t-m32r: Likewise.
24222 * mips/t-ecoff: Likewise.
24223 * mips/t-elf: Likewise.
24224 * mips/t-r3900: Likewise.
24225 * pa/t-pro: Likewise.
24226 * rs6000/t-aix43: Likewise.
24227 * rs6000/t-beos: Likewise.
24228 * rs6000/t-newas: Likewise.
24229 * rs6000/t-ppccomm: Likewise.
24230 * rs6000/t-rs6000: Likewise.
24231 * rs6000/t-winnt: Likewise.
24232 * rs6000/t-xnewas: Likewise.
24233 * rs6000/t-xrs6000: Likewise.
24234 * sh/t-sh: Likewise.
24235 * sparc/t-elf: Likewise.
24236 * sparc/t-sparcbare: Likewise.
24237 * sparc/t-sparclite: Likewise.
24238 * sparc/t-splet: Likewise.
24239 * v850/t-v850: Likewise.
24240 * mn10200/t-mn10200: Fix comments.
24241 * mn10300/t-mn10300: Likewise.
24243 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24244 dummy operand. Allocate a new pseudo for the dummy operand.
24245 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24247 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24249 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24251 * configure: Rebuilt.
24252 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24254 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24256 * recog.c (preproces_constraints): Zero recog_op_alt before
24257 processing the constraints.
24259 * arm.c (typedef minipool_node): Renamed from pool_node.
24260 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24261 (add_minipool_constant): New function.
24262 (dump_minipool): New function.
24263 (find_barrier): Remove special case for getting the insn size of
24264 an insn that references the constant pool.
24265 (minipool_fixup): New structure.
24266 (push_minipool_barrier): New function.
24267 (push_minipool_fix): New function.
24268 (note_invalid_constants): New function.
24269 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24270 (arm_reorg): Rewrite code to fix up the constant pool into a
24271 series of mini-pools embedded in the insn stream.
24272 (arm_output_epilogue): New function, made mainly from the body
24273 of output_func_epilogue.
24274 (output_func_epilogue): Move insn generation part of epilogue code
24275 to arm_output_epilogue.
24276 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24277 * arm.md (pool_range): New attribute.
24278 (zero_extendqidi2): Add attribute pool_range.
24279 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24280 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24281 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24282 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24283 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24284 (epilogue): New expand.
24285 (epilogue_insn): New insn. Call arm_output_epilogue.
24287 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24288 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24290 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24292 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24294 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24296 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24298 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24300 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24302 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24304 * global.c: Fix comment.
24306 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24308 * gcc.c (access_check): New static function.
24309 (find_a_file): Use it when searching a directory list.
24310 * collect2.c (find_a_file): Don't accept directories found when
24311 searching a directory list.
24313 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24315 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24316 function parameters with `&'.
24317 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24319 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24321 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24322 or tidy_fallthru_edge if the last insn in the block is not
24323 an unconditional jump or a simple conditional jump.
24325 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24327 * Makefile.in (c-decl.o): Depends on defaults.h.
24329 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24331 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24333 (CLASS_MAX_NREGS): Likewise.
24335 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24337 * cse.c (cse_insn): Fix dumb thinko in last change.
24339 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24341 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24344 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24346 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24347 test for sizes of passed and declared parameter types.
24349 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24351 * fixincludes: Fix the return type of bsearch, char* -> void*.
24353 * fixinc/inclhack.def: Likewise.
24355 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24357 * invoke.texi (-fdump-translation-unit): New option.
24359 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24361 * expr.h (PROMOTE_PROTOTYPES): Move ...
24362 * defaults.h: ... to here.
24363 * c-decl.c: Include defaults.h instead of expr.h.
24364 * c-typeck.c: Include defaults.h.
24366 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24368 * toplev.h (errorcount): Declare.
24369 (warningcount): Likewise.
24370 (sorrycount): Likewise.
24371 * c-lex.c (errorcount): Don't declare.
24372 * dwarf2out.c (errorcount): Don't declare.
24374 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24376 * config/libgloss.h: Add a note discouraging use with ELF.
24377 * configure.in: Don't use libgloss.h for ELF targets.
24378 Always use_collect2 on a.out targets.
24380 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24382 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24383 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24385 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24387 * loop.c (strength_reduce): When doing biv->giv conversion, update
24388 reg note of NEXT->insn.
24390 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24392 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24394 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24396 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24397 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24398 Ensure expr.h is included.
24399 * c-typecheck.c (convert_arguments): Ditto.
24401 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24403 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24404 * config/convex/convex.h: Ditto.
24405 * config/dsp16xx/dsp16xx.h: Ditto.
24406 * config/fx80/fx80.h: Ditto.
24407 * config/gmicro/gmicro.h: Ditto.
24408 * config/i370/i370.h: Ditto.
24409 * config/i386/i386.h: Ditto.
24410 * config/m32r/m32r.h: Ditto.
24411 * config/m68k/m68k.h: Ditto.
24412 * config/m88k/m88k.h: Ditto.
24413 * config/mips/mips.h: Ditto.
24414 * config/pa/pa.h: Ditto.
24415 * config/pyr/pyr.h: Ditto.
24416 * config/tahoe/tahoe.h: Ditto.
24417 * config/we32k/we32k.h: Ditto.
24419 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24420 based on arch size.
24422 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24424 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24427 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24429 1999-08-02 Richard Henderson <rth@cygnus.com>
24431 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24432 for the register spill block.
24433 (m32r_va_arg): New.
24434 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24435 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24437 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24438 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24439 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24441 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24443 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24444 MAX_WCHAR_TYPE defined in sparc.h.
24445 * config/sparc/linuxaout.h: Likewise.
24446 * config/sparc/linux64.h: Likewise.
24447 Also default to -mvis if CPU is UltraSPARC.
24449 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24451 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24452 (RTX_OK_FOR_OLO10): Likewise.
24453 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24454 %lo(), allow it in addresses...
24455 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24456 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24457 does not make sense.
24458 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24459 (sparc_output_scratch_registers): New function.
24460 (output_function_prologue, sparc_flat_output_function_prologue): Use
24462 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24464 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24465 * configure.in: Add check for .register pseudo-op support in as and
24466 check for offsetable %lo().
24467 * acconfig.h: Add templates for the above checks.
24468 * configure: Regenerate.
24470 1999-08-02 Richard Henderson <rth@cygnus.com>
24472 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24473 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24474 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24476 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24478 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24481 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24483 * config/float-sparc.h: New file.
24484 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24485 sparc-*-linux-gnu and sparc64-*-linux*.
24487 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24489 * rs6000.c (rs6000_va_list): Type is an array.
24490 (rs6000_va_start): Don't doubly adjust for varargs.
24491 (rs6000_va_arg): Evaluate long long GPR adjustment.
24493 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24495 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24496 -maix64 and -maix32.
24497 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24498 LINK_SPEC): Change appropriately.
24499 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24500 (u_short_cint_operand): Likewise.
24501 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24503 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24505 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24507 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24509 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24510 for type promotion.
24511 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24512 (non_add_cint_operand): Likewise.
24513 (logical_operand): Likewise.
24514 (non_logical_cint_operand): Likewise.
24515 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24516 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24517 (rs6000_select_rtx_section): Suppress warning.
24518 (small_data_operand): Suppress warning.
24519 (rs6000_got_register): Suppress warning.
24520 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24521 type, so `J' is generally the wrong constraint for a SImode value;
24523 (andsi3_internal2): Likewise.
24524 (andsi3_internal3): Likewise.
24525 (iorsi3_internal1): Likewise.
24526 (xorsi3_internal1): Likewise.
24528 (movsf_softfloat): Likewise.
24529 (scc insns): Likewise.
24530 (movsi+2): Preserve sign bits of SImode constant.
24531 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24532 (movdf+1): Sign-extend properly.
24533 (movdi_32+1): Sign-extend properly.
24534 (scc insns): Sign-extend properly.
24536 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24539 1999-08-02 Richard Henderson <rth@cygnus.com>
24541 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24542 -mcpu parsing code.
24543 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24544 * alpha.md (all fp insns): Likewise.
24546 1999-08-02 Nick Clifton <nickc@cygnus.com>
24548 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24551 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24553 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24554 pic_load_label generator directly.
24555 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24556 No longer a named pattern.
24558 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24560 * explow.c (force_reg): Call force_operand if X does not
24561 satisfy general_operand.
24563 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24565 * fix-header.c (main): When testing for CONTINUED, use string
24566 equality, not pointer equality.
24568 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24570 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24572 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24574 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24575 that has become an unconditional jump.
24577 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24578 (output_function_epilogue): Similarly.
24580 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24582 * tree.h (init_dummy_function_start): Declare.
24584 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24586 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24587 last_expr_type, last_expr_value, block_start_count, block_stack,
24588 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24589 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24590 dynamically in stmt elt of struct function for each function.
24591 (struct nesting): Rename function_call_count elt to n_function_calls,
24592 target_temp_slot_level to block_target_temp_slot_level. All users
24594 (struct stmt_status): New structure definition.
24595 Add many accessor macros for stmt_status elements which previously
24596 were global variables.
24597 (init_stmt_for_function): Allocate stmt elt for current_function.
24598 Reflect that block_start_count was renamed to
24599 current_block_start_count.
24600 (save_stmt_status, restore_stmt_status): Delete functions.
24601 (preserve_subexpressions_p): Don't access loop_stack when outside
24603 (expand_start_bindings): Reflect that block_start_count was renamed to
24604 current_block_start_count.
24605 (expand_fixup): Likewise.
24606 (expand_decl): Don't access block_stack when outside a function.
24607 (expand_decl_cleanup): Likewise.
24608 (expand_dcc_cleanup): Likewise.
24609 (expand_dhc_cleanup): Likewise.
24610 (expand_anon_union_decl): Likewise.
24611 (set_file_and_line_for_stmt): New function.
24612 (in_control_zone_p): New function.
24614 * function.h (struct function): Add new elt stmt.
24615 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24616 case_stack, nesting_stack, nesting_depth, block_start_count,
24617 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24618 emit_lineno, goto_fixup_chain.
24619 (save_eh_status, restore_eh_status, save_stmt_status,
24620 restore_stmt_status): Delete declarations.
24621 * function.c (push_function_context_to): Don't call save_stmt_status.
24622 (pop_function_context_to): Don't call restore_stmt_status.
24623 * tree.h (in_control_zone_p): Declare.
24624 * rtl.h (set_file_and_line_for_stmt): Declare.
24626 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24627 call set_file_and_line_for_stmt.
24629 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24631 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24632 Also update copyright.
24634 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24636 * c-pragma.c: Don't include "except.h".
24637 * emit-rtl.c: Likewise.
24638 * stor-layout.c: Likewise.
24639 * tree.c: Likewise.
24640 * varasm.c: Likewise.
24642 * flow.c: Include "function.h".
24643 * tree.h (init_dummy_function_start): Declare new function.
24645 * except.h (struct eh_status): New structure.
24646 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24648 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24649 catch_clauses, false_label_stack, caught_return_label_stack,
24650 protect_list, current_function_ehc): Add accessor macros for the
24651 corresponding fields in current_function->eh; delete declarations
24652 for all items that used to be declared here.
24653 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24654 catch_clauses, false_label_stack, caught_return_label_stack,
24655 protect_list, current_function_ehc): Delete variables.
24656 (init_eh_for_function): Allocate current_function->eh.
24657 (save_eh_status, restore_eh_status): Delete functions.
24659 * function.h (struct function): Add fields next_global and eh.
24660 Delete all exception handling related fields.
24661 * function.c (current_function): New variable.
24662 (all_functions): New variable.
24663 (push_function_context_to): Don't allocate a struct function,
24664 use current_function instead. Call init_dummy_function_start when
24665 outside a function. Clear current_function before returning.
24666 (pop_function_context_from): Restore current_function.
24667 Don't free the restored struct function.
24668 (prepare_function_start): New function.
24669 (init_dummy_function_start): New function.
24670 (init_function_start): Break out some code into prepare_function_start
24673 * stmt.c (save_stmt_status): Don't call save_eh_status.
24674 (restore_stmt_status): Don't call restore_eh_status.
24676 * Makefile.in: Update dependencies.
24678 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24680 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24681 of depending on a magic constant value. Update comments.
24682 (hppa_expand_prologue): Similarly.
24684 * pa.md (reload_indi, reload_outdi): Allow any register for the
24685 original reload register.
24687 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24689 * cccp.c (print_help): Change marcos to macros.
24691 1999-07-30 Richard Henderson <rth@cygnus.com>
24693 * c-typeck.c (initializer_constant_valid_p): Move ...
24694 * c-common.c (initializer_constant_valid_p): ... here. Use
24695 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24696 of label addresses.
24697 * c-common.h (initializer_constant_valid_p): Declare.
24698 * c-tree.h (initializer_constant_valid_p): Remove.
24700 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24702 * config/i386/sol2-c1.asm: Align the stack.
24703 * config/i386/sol2-gc1.asm: Likewise.
24705 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24707 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24708 -Asparclite for sparc86x.
24709 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24711 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24713 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24715 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24716 the user if using the non-default arch size in BI_ARCH configuration.
24717 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24719 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24720 Fix patterns so that they actually match.
24721 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24722 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24723 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24725 (mulsidi3): Reflect this in the expand.
24726 (smulsi3_highpart): Only on TARGET_ARCH32.
24727 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24728 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24729 (umulsidi3): Reflect this in the expand.
24730 (umulsi3_highpart): Only on TARGET_ARCH32.
24731 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24732 don't require g0 to be zero.
24733 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24734 ({,u}divsi3): New expands.
24735 ({,u}divsi3_sp64): New patterns.
24736 (after lshrdi3_v8plus): Four new patterns to help combiner
24737 optimizing nested mixed mode shifts.
24739 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24740 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24741 speed things up. Don't use them by default on plain v9 in 64bit
24742 mode, according to what SPAMv9 sais.
24744 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24745 top 32 bits of %[og][0-7] in signal handlers.
24746 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24748 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24750 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24751 (ashlsi3): Corresponding changes.
24753 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24755 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24757 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24759 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24761 * arm.h (Hint): Delete macro.
24762 Substitute HOST_WIDE_INT for Hint in some prototypes.
24763 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24765 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24767 * builtins.c (expand_builtin_setjmp): Use force_operand to
24768 make sure that the buffer address is in a suitable form to be
24769 passed to force_reg.
24771 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24773 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24776 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24778 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24779 proper mode in the condition string.
24780 (icacheflush, dcacheflush): Remove modes from match_operands.
24782 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24783 proper mode before using it.
24785 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24788 * pa.c (store_reg): Do not call add_high_const generator directly.
24789 (load_reg, set_reg_plus_d): Likewise.
24790 * pa.md (add_high_const): No longer a named pattern.
24792 * pa.c (legitimize_address): Consistently use Pmode rather than
24793 SImode. Do not call gen_pic2_highpart directly anymore.
24794 * pa.md (pic2_highpart): No longer a named pattern.
24795 (pic2_lo_sum): Similarly. Reformat to make more readable.
24797 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24802 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24804 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24806 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24808 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24809 and tag the spill mems.
24810 (hppa_va_start): New.
24811 (hppa_va_arg): New.
24812 * pa.h (EXPAND_BUILTIN_VA_START): New.
24813 (EXPAND_BUILTIN_VA_ARG): New.
24815 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24817 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24818 and tag the spill mems.
24819 (mn10300_va_start): New.
24820 (mn10300_va_arg): New.
24821 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24822 (EXPAND_BUILTIN_VA_ARG): New.
24824 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24826 * mn10200.c (mn10200_va_arg): New.
24827 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24829 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24831 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24832 rather than play with TREE_INT_CST_LOW.
24834 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24836 * config/arm/telf.h: Include dbxelf.h.
24837 (CPP_PREDEFINES): Only define if not already defined.
24838 (ASM_IDENTIFY_GCC): Likewise.
24839 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24840 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24841 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24843 (DBX_DEBUGGING_INFO): Don't define.
24844 * config/arm/linux-telf.h: New file.
24845 * config/arm/linux-tgas.h: New file.
24846 * config/arm/t-thumb-linux: New file.
24847 * config/arm/uclinux-elf.h: New file.
24848 * config/arm/uclinux-telf.h: New file.
24849 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24850 thumb-*-uclinux): New targets.
24851 * configure: Regenerate.
24853 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24855 * pa.md (post_store, pre_load): New expanders.
24856 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24857 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24858 need to directly generate RTL for them.
24859 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24862 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24864 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24865 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24866 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24867 (secndary_reload_class): Make TARGET_ELF conditional compile.
24868 (print_operand_address): Similar.
24869 (output_toc): Print all values as hex.
24870 (get_issue_rate): Rearrange and add RS64A and PPC630.
24871 * rs6000.h (processor_type): Add RS64A and PPC630.
24872 (PROCESSOR_POWERPC64): New.
24873 (PROMOTE_MODE): Use word_mode.
24874 (RTX_COSTS): Add RS64A and PPC630.
24875 * rs6000.md (scheduling information): Add lmul and ldiv
24876 representing 64-bit integer multiply and divide. Add rs64a and
24877 PPC630 information.
24878 (ashldi3): Add support for "rldic" instruction.
24879 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24881 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24883 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24884 instead of V8 for sparclite86x in cpu_table.
24886 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24888 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24889 output_file_directive.
24891 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24893 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24894 tree for op1, not the rtl.
24896 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24898 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24899 to m88k_va_start, leaving only the register spill.
24900 (m88k_build_va_list): New.
24901 (m88k_va_start): New.
24902 (m88k_va_arg): New.
24903 * m88k.h (BUILD_VA_LIST_TYPE): New.
24904 (EXPAND_BUILTIN_VA_START): New.
24905 (EXPAND_BUILTIN_VA_ARG): New.
24907 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24909 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24910 Rename from expand_builtin_saveregs.
24911 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24913 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24915 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24916 for the register spill block.
24917 (i960_build_va_list): New.
24918 (i960_va_start): New.
24919 (i960_va_arg): New.
24920 * i960.h (BUILD_VA_LIST_TYPE): New.
24921 (EXPAND_BUILTIN_VA_START): New.
24922 (EXPAND_BUILTIN_VA_ARG): New.
24923 * i960.md (store_multiple): Use change_address on individul mems.
24925 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24927 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24929 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24930 (expand_builtin_va_end): Evaluate arg for side effects.
24931 * c-common.c (c_common_nodes_and_builtins): Construct a
24932 va_list_arg_type_node to handle array decomposition to pointer.
24934 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24936 * except.c (st_dynamic_cleanup): Use force_operand on the
24939 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24941 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24942 * c4x.c (c4x_va_arg): New.
24944 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24946 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24947 has manual_pop set.
24949 1999-07-26 Nathan Sidwell <nathan@acm.org>
24951 * eh-common.h (__eh_matcher): Prototype correctly.
24953 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24955 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24956 (TARGET_SINGLE_PIC_BASE): Likewise.
24957 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24959 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24960 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24961 (TARGET_OPTIONS): Add -mpic-register=N.
24962 (OUTPUT_INT_ADDR_CONST): New macro.
24963 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24964 LEGITIMATE_PIC_OPERAND_P): Likewise.
24965 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24966 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24967 output_addr_const directly.
24968 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24970 (thumb_pic_register, thumb_pic_register_string): Declare.
24972 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24974 (label_mentioned_p): New function: Imported from arm.c.
24975 (legitimize_pic_address): New function: Imported from arm.c.
24976 (is_pic):New function: Imported from arm.c.
24977 (thumb_finalize_pic):New function: Imported from arm.c.
24978 (add_constant): Cope with PIC constants.
24979 (fixit): Cope with PIC constants.
24980 (output_return): Do not treat the PIC register as live if
24981 TARGET_SINGLE_PIC_BASE is true.
24982 (thumb_function_prologue): Do not treat the PIC register as live if
24983 TARGET_SINGLE_PIC_BASE is true.
24984 (thumb_expand_prologue): Do not treat the PIC register as live if
24985 TARGET_SINGLE_PIC_BASE is true.
24986 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24987 TARGET_SINGLE_PIC_BASE is true.
24988 (thumb_print_operand): Accept '|'.
24989 (thumb_override_options): Process PIC options.
24991 * config/arm/thumb.md (movsi): Support PIC.
24992 (call_insn): Change "i" constraint to "X".
24993 (call_value_insn): Likewise.
24994 (consttable_4, consttable_8, consttable_end): Set and clear
24995 "making_const_table" as appropriate.
24996 (pic_load_addr, pic_add_dot_plus_four): New insns.
24998 * invoke.texi (Thumb Options): Fix spelling. Document new
24999 options -msingle-pic-base and -mpic-register=.
25001 1999-07-26 Andrew Haley <aph@cygnus.com>
25003 * config/m32r/initfini.c (__init): Use a full word immediate for
25004 __fini: this allows it to be placed in any memory region.
25006 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
25007 -mmodel=medium. This is OK for all memory models.
25009 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
25011 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
25012 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
25014 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
25016 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
25019 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
25021 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
25023 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
25024 (BUILD_VA_LIST_TYPE): New.
25025 (EXPAND_BUILTIN_VA_START): New.
25026 (EXPAND_BUILTIN_VA_ARG): New.
25027 * i860.c (output_delayed_branch): Disable.
25028 (output_delay_insn): Likewise.
25029 (i860_saveregs): New.
25030 (i860_build_va_list): New.
25031 (i860_va_start): New.
25032 (i860_va_arg): New.
25033 * i860.md: Disable all peepholes using output_delayed_branch.
25034 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
25036 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
25038 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
25039 (BUILD_VA_LIST_TYPE): New.
25040 (EXPAND_BUILTIN_VA_START): New.
25041 (EXPAND_BUILTIN_VA_ARG): New.
25042 * clipper.c (clipper_builtin_saveregs): Only dump registers.
25043 Return the address of the save area.
25044 (clipper_build_va_list): New.
25045 (clipper_va_start): New.
25046 (clipper_va_arg): New.
25048 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
25050 * arc.h (EXPAND_BUILTIN_VA_START): New.
25051 (EXPAND_BUILTIN_VA_ARG): New.
25052 * arc.c (arc_setup_incoming_varargs): Set alias set of
25054 (arc_va_start): New.
25057 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
25059 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
25060 (BUILD_VA_LIST_TYPE): New.
25061 (EXPAND_BUILTIN_VA_START): New.
25062 (EXPAND_BUILTIN_VA_ARG): New.
25063 * alpha.c (alpha_builtin_saveregs): Delete.
25064 (alpha_build_va_list): New.
25065 (alpha_va_start): New.
25066 (alpha_va_arg): New.
25068 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
25070 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
25072 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
25073 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
25075 * gcc.texi: More changes related to list conversion.
25076 * invoke.texi: Likewise.
25078 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
25080 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
25081 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
25082 (expand_builtin_next_arg): Accept ARGLIST not EXP.
25083 (stabilize_va_list): New function.
25084 (std_expand_builtin_va_start): New function.
25085 (expand_builtin_va_start): New function.
25086 (get_varargs_alias_set): New function.
25087 (std_expand_builtin_va_arg): New function.
25088 (expand_builtin_va_arg): New function.
25089 (expand_builtin_va_end): New function.
25090 (expand_builtin_va_copy): New function.
25091 (expand_builtin): Call them.
25092 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
25093 __builtin_{varargs_start,stdarg_start,end,copy}.
25094 (build_va_arg): New function.
25095 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
25096 (build_va_arg): Declare.
25097 * c-decl.c (ptr_type_node, va_list_type_node): New.
25098 * c-parse.gperf (__builtin_va_arg): New.
25099 * c-parse.in (VA_ARG): New token.
25100 (unary_expr): Recognize it.
25101 * expr.c (expand_expr): Expand VA_ARG_EXPR.
25102 * expr.h (std_expand_builtin_va_start): Declare.
25103 (std_expand_builtin_va_arg): Declare.
25104 (expand_builtin_va_arg): Declare.
25105 (get_varargs_alias_set): Declare.
25106 * tree.def (VA_ARG_EXPR): New.
25107 * tree.h (BUILT_IN_VARARGS_START): New.
25108 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
25109 (ptr_type_node, va_list_type_node): Declare.
25110 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
25111 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
25112 * m88k.h, m88k.c: Likewise.
25113 * mn10300.h, mn10300.c: Likewise.
25114 * pa.h, pa.c: Likewise.
25115 * rs6000.h, rs6000.c: Likewise.
25116 * sh.h, sh.c: Likewise.
25117 * sparc.h, sparc.c: Likewise.
25119 * emit-rtl.c (operand_subword): Copy alias set.
25120 (change_address): Likewise.
25122 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
25124 * pa.c (compute_frame_size): Scan all the used callee saved registers,
25125 not just the first one.
25127 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
25129 * config/arm/arm.h (TARGET_SWITCHES): Add
25130 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
25131 (TARGET_OPTIONS): Add -mpic-register=.
25132 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
25133 (arm_pic_register_string): Declare.
25134 (NEED_PLT_GOT): Delete, replace with ...
25135 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
25136 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
25137 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
25138 * config/arm/arm.c (arm_override_options): Add new option
25140 (arm_pic_register_string): New variable.
25141 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
25142 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
25143 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
25144 (output_return_instruction): Likewise.
25145 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
25146 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
25147 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
25149 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
25150 mention of -msched-prolog. Document new options -msingle-pic-base
25151 and -mpic-register=.
25153 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
25155 * haifa-sched.c (reemit_notes): Tidy.
25156 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
25159 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
25161 * explow.c (trunc_int_for_mode): New function.
25162 (plus_constant_wide): Use it.
25163 * combine.c (simplify_and_const_int): Likewise.
25164 (merge_outer_ops): Likewise.
25165 (simplify_shift_const): Likewise.
25166 * cse.c (simplify_unary_operation): Likewise.
25167 (simplify_binary_operation): Likewise.
25168 * emit-rtl.c (operand_subword): Likewise.
25169 * rtl.h: Declare it.
25171 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25173 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
25174 (use NUM_REGS instead of NUM_INTS).
25176 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25178 * builtins.c: New file.
25179 * expr.c (saveregs_value, apply_args_value): Delete definition,
25180 moved into builtins.c.
25181 (string_constant): No longer static.
25182 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25183 apply_args_size, apply_result_size, result_vector,
25184 expand_builtin_apply_args, expand_builtin_apply,
25185 expand_builtin_return): Delete functions, moved into builtins.c.
25186 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25187 * expr.h (saveregs_value, apply_args_value): Declare variables.
25188 (expand_builtin, string_constant): Declare functions.
25189 * Makefile.in: Update to build builtin.o.
25191 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25193 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25194 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25195 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25196 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25198 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25201 1999-07-21 Michael Meissner <meissner@cygnus.com>
25203 * print-rtl.c (print_rtx): Print the names of the virtual
25206 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25208 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25209 introduced in previous delta.
25211 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25213 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25214 to avoid name clash.
25216 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25218 * c-lex.c (yylex) : Correct the test for overflow when lexing
25221 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25223 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25224 (adjust_priority): Always call ADJUST_PRIORITY.
25225 (schedule_insn): Only put insns into the ready at cost 0.
25226 (schedule_block): Remove redundant initial sort. Give clock_var
25227 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25229 * tm.texi (MD_SCHED_REORDER): Update docs.
25231 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25232 * sparc.c (ultra_reorder_called_this_block): Delete.
25233 (ultrasparc_sched_init): Don't set it.
25234 (ultrasparc_sched_reorder): Don't check it.
25236 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25238 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25239 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25240 (function_arg_boundary): Align DFmode.
25241 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25242 to get fp reg and stack overflow correct.
25243 (function_arg): Likewise.
25244 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25245 (setup_incoming_varargs): Restructure for ABI_V4; use
25246 function_arg_advance to skip final named argument.
25247 (expand_builtin_saveregs): Properly unskip the last integer arg
25248 when doing varargs. Adjust overflow location calculation.
25250 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25251 explicitly unsigned.
25252 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25253 (__VA_GP_REGSAVE): Similarly.
25254 (__va_longlong_p): Delete.
25255 (__va_arg_type_violation): New declaration.
25256 (va_arg): Restructure. Flag promotion errors. Align double.
25257 TFmode passed by reference.
25259 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25260 in the HOST_BITS_PER_WIDE_INT > 32 case.
25262 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25264 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25266 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25268 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25269 * toplev.c (documented_lang_options): Add -fpreprocessed.
25270 * cpplib.h (struct cpp_buffer): Add preprocessed.
25271 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25272 (cpp_start_read): Don't expand macros or emit an initial #line
25273 directive if -fpreprocessed.
25275 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25277 * cpplib.h (struct cpp_buffer): Added manual_pop for
25278 better C++ tokenization.
25279 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25280 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25281 * c-common.c (cpp_token): Make non-static.
25283 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25285 * c-common.h: New file.
25286 * c-common.c (permanent_obstack): Delete unused declaration.
25287 (c_global_trees): New array.
25288 (c_common_nodes_and_builtins): New function; split off common code
25289 from init_decl_processing in both c-decl.c and cp/decl.c.
25290 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25291 c_global_trees and accessor macros defined in c-common.h.
25292 Include c-common.h.
25293 * c-decl.c: Delete definitions for tree nodes that were replaced by
25295 (init_decl_processing): Build void_list_node.
25296 Call c_common_nodes_and_builtins; delete code to generate the common
25298 * objc/objc-act.c (build_module_descriptor): Rename variable
25299 void_list_node to avoid clash with c-common.h.
25301 * Makefile.in: Update dependencies.
25302 * objc/Make-lang.in: Likewise.
25304 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25306 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25307 (UNIQUE_SECTION_P): Likewise.
25308 (UNIQUE_SECTION): Likewise.
25310 1999-07-19 Linas Vepstas <linas@linas.org>
25312 * config/i370/README: New file.
25313 * config/i370/linux.h: New file.
25314 * config/i370/mvs.h: New file.
25315 * config/i370/oe.h: New file.
25316 * config/i370/t-linux: New file.
25317 * config/i370/t-mvs: New file.
25318 * config/i370/t-oe: New file.
25319 * config/i370/x-oe: New file.
25320 * config/i370/xm-linux.h: New file.
25321 * config/i370/xm-mvs.h: New file.
25322 * config/i370/xm-oe.h: New file.
25324 * i370.c (label_node_t): Add first_ref_page, label_addr,
25325 label_first_ref, label_last_ref members.
25326 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25327 (MAX_MVS_LABEL_SIZE): Define.
25328 (MAX_LONG_LABEL_SIZE): Define.
25329 (alias_node_t, alias_anchor, alias_number): New.
25330 (mvs_function_table): Reorder for EBCDIC.
25331 (ascebc, ebcasc): Unconditionally define.
25332 (i370_branch_dest, i370_branch_length): New functions.
25333 (i370_short_branch, i370_label_scan): New functions.
25334 (mvs_get_label): Renamed from mvs_add_label. Search for
25335 an existing label before creating a new one.
25336 (mvs_add_label): New function.
25337 (mvs_get_label_page): New function.
25338 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25339 over the entire list.
25340 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25341 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25342 (mvs_add_alias, mvs_need_alias): New functions.
25343 (mvs_get_alias, mvs_check_alias): New functions.
25344 (handle_pragma): New function.
25345 (mvs_function_check): New function.
25346 (unsigned_jump_follows_p): Search harder.
25347 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25348 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25349 * i370.h (TARGET_VERSION): Delete.
25350 (CPP_SPEC, CPP_PREDEFINES): Delete.
25351 (mvs_label_emitted): Delete.
25352 (TARGET_EBCDIC): Delete.
25353 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25354 (HANDLE_PRAGMA): Define.
25355 (HARD_REGNO_NREGS): Handle complex modes.
25356 (HARD_REGNO_MODE_OK): Likewise.
25357 (CLASS_MAX_NREGS): Likewise.
25358 (RET_REG): Likewise.
25359 (EXTRA_CONSTRAINT): Define.
25360 (RETURN_IN_MEMORY): True for DImode.
25361 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25362 (FUNCTION_PROFILER): Delete.
25363 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25364 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25365 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25366 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25367 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25368 (ASM_FILE_START): Add "RMODE ANY".
25369 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25370 (ASM_GLOBALIZE_LABEL): Likewise.
25371 (ASM_OUTPUT_LABELREF): Likewise.
25372 (ASM_OUTPUT_COMMON): Likewise.
25373 (PRINT_OPERAND): Handle 'K', 'W', default.
25374 (PRINT_OPERAND_ADDRESS): New.
25375 (Lots of defines): Add support for TARGET_ELF_ABI.
25376 * i370.md (attr length): New. Define for all patterns.
25377 (*): Lots of tweeks to assembly output and constraints.
25379 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25381 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25382 Disable patterns performing SImode comparisons with SImode values
25383 if TARGET_POWERPC64 and instruction does not sign-extend or does
25384 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25385 differ for signed quantities.
25386 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25387 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25388 (decrement_and_branch_on_count): Add 64-bit variant.
25390 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25392 * final.c (output_asm_insn): When searching for the matching string
25393 for a given dialect, don't run past the end of the list of
25394 alternatives if there are fewer alternatives in the template than
25397 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25399 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25400 Removed paragraph about compression of files and size limitation,
25401 duplicated in the FAQ. Use gcc-patches for posting patches.
25402 * gcc.c (main): Updated URL with bug reporting instructions to
25403 gcc.gnu.org. Removed e-mail address.
25404 * system.h (abort): Likewise.
25406 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25408 * Makefile.in (stmp-multilib-sub): Make the files extracted
25409 from $(LIBGCC1) writable.
25411 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25413 * config/arm/aout.h: Reformat for improved readability.
25415 * config/arm/arm.h: Reformat for improved readability.
25416 Replace uses of fprintf with asm_fprintf where appropriate.
25417 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25418 function declaration assembler actions.
25419 (NUM_INTS): New macro: Convert from bytes to words.
25420 (NUM_REGS): New macro: Compute number of registers required to
25421 hold a quanitity of tyep MODE.
25422 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25424 (NUM_ARG_REGS): New macro: The number of argument registers
25426 (ARG_REGISTER): New macro: Compute the register number of the Nth
25428 (LAST_ARG_REGNUM): New macro: The number of the last argument
25430 (SP_REGNUM): New macro: Register number of the stack pointer.
25431 (FP_REGNUM): New macro: Register number of the frame pointer.
25432 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25433 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25434 CUMULATIVE_ARGS so that it counts registers not bytes.
25436 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25438 Replace uses of fprintf with asm_fprintf where appropriate.
25439 (output_ascii_pseudo_op): Replace with version from thumb.c
25441 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25443 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25444 SUBTARGET_CPP_SPEC.
25445 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25446 (ASM_FILE_START): Emit ASM_APP_OFF.
25448 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25450 * pa.c (compute_frame_size): Round frame according to
25451 STACK_BOUNDARY rather than a hardwired value.
25453 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25455 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25457 * configure: Rebuilt.
25459 * configure.in (hppa*-*-linux*): New configuration.
25460 * configure: Rebuilt.
25461 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25462 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25463 * pa/pa-linux.h: New file.
25464 * pa/t-linux: New file.
25465 * pa/xm-linux.h: New file.
25467 * pa.c (hppa_legitimize_address): Change references from SImode to
25468 either Pmode or word_mode as appropriate.
25469 (emit_move_sequence, store_reg, load_reg): Likewise.
25470 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25471 (output_mul_insn): Likewise.
25472 * pa.h (PROMOTE_MODE): Likewise.
25473 (INITIALZE_TRAMPOLINE): Likewise.
25474 (Pmode): Define to word_mode.
25476 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25477 value of 4. Allocate 8 bytes for each FP register save.
25478 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25480 (hppa_expand_prologue): Likewise.
25481 * pa.h (PROMOTE_MODE): Likewise.
25482 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25483 (FUNCTION_ARG_BOUNDARY): Likewise.
25485 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25487 * pa.c (out_of_line_prologue_epilogue): Delete.
25488 (override_options): Remove -mspace related code.
25489 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25490 (compute_frame_size): Only allocate space for register that
25491 actually need to be saved.
25492 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25493 (TARGET_SWITCHES): Remove -mspace, -mno-space
25494 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25495 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25496 * pa/ee.asm, pa/ee_fp.asm: Delete.
25498 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25500 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25501 directive in column zero.
25503 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25505 * m68k.c (output_function_prologue): Fix computation of save mask
25506 when generating PIC code.
25508 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25510 * tree.c (build_type_attribute_variant): Move current_obstack restore
25511 after build_qualified_type call.
25513 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25515 * configure.in: Use t-iris6, even with GNU LD.
25516 * config/mips/iris6gld.h: Fix typo in linker spec.
25517 * config/mips/t-iris6gld: Remove.
25519 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25521 * rs6000.md (insv, extzv): Remove SImode dependence in named
25522 patterns. Explicitly generate DImode RTL if PowerPC64 and
25524 (insvdi): Reverse start and size in instruction template.
25526 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25528 * invoke.texi: Typo fixes.
25530 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25532 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25533 handle at this time instead of silently generating incorrect code.
25534 (gen_imagpart): Likewise.
25536 * reload.c (find_reloads): Emit a USE for a pseudo register without
25537 a hard register if we could not create an optional reload for the
25540 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25542 * c-typeck.c (output_init_element, process_init_element):
25543 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25544 check for nameless bit fields.
25546 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25548 * regclass.c (scan_one_insn): Notice subregs that change the
25549 size of their operand.
25550 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25552 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25554 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25555 * configure: Rebuilt.
25556 * alpha/t-ieee: New file.
25558 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25560 * rs6000.c (find_addr_reg): Do not select r0 as an address
25563 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25565 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25567 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25569 * rs6000.md (movsf): Do not force easy FP constants into memory.
25571 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25572 immed_double_const to ensure they are properly truncated then
25575 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25577 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25578 always unless NO_DEBUG is used. Compile this code
25580 (replace_symbols_in_block): Compile it unconditionally.
25582 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25584 * configure.in (i?86-*-elf*): New target.
25585 * configure: Rebuilt.
25586 * i386/i386elf.h, i386/t-i386elf: New files.
25588 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25590 * toplev.c (main): Don't complain about saying -gdwarf.
25591 (rest_of_compilation): Remove redundant code.
25593 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25595 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25597 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25599 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25600 "Li960R:", to avoid name clash.
25602 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25604 * loop.c (check_dbra_loop): When reversing a loop, delete all
25605 REG_EQUAL notes referencing the reversed biv except those which are
25606 for a giv based on it.
25608 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25610 * version.c: Drop "gcc-" prefix from version #.
25612 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25614 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25615 the label if we're being verbose.
25617 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25619 * m68k.c (output_function_prologue): Add pic register to mask
25620 if live and flag_pic.
25621 (output_function_epilogue): Likewise.
25623 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25625 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25626 directives in column zero.
25628 * pa/elf.h (ASM_FILE_START): Define.
25629 * pa/som.h (ASM_FILE_START): Include .level directives.
25630 * pa/hpux10.h (ASM_FILE_START): Delete.
25631 * pa/hpux11.h (ASM_FILE_START): Delete.
25633 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25635 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25637 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25638 when reload_out equals reload_in.
25640 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25642 * invoke.texi (Spec Files): New node: Describe the contents of
25645 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25647 * invoke.texi (DEC Alpha Options): Put @end table at
25648 beginning of line, to avoid confusing texi2html.
25650 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25652 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25653 introduced in previous delta.
25655 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25657 * reload1.c (gen_reload): When synthesizing a 3 operand add
25658 sequence, improve test for when to reload OP1 into the reload
25659 register instead of OP0.
25661 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25663 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25665 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25667 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25670 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25672 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25673 (va_dcl): Use __builtin_va_alist_t.
25675 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25677 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25678 on the permanent_obstack.
25679 * dwarfout.c (output_type): Likewise.
25681 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25683 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25684 Merged from c-typeck.c and cp/typeck.c.
25685 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25686 Merged into c-common.
25688 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25690 * c-lex.c (errorcount): Declare it.
25691 (finish_parse): Update errorcount when using CPPLIB.
25693 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25695 * fixinc/inclhack.def(end_else_label): Double the backslash so
25696 sed gets a chance to see it.
25697 * fixinc/inclhack.sh: regen
25698 * fixinc/fixincl.x: regen
25700 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25702 Add framework to support armv5 architecture when it becomes
25705 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25706 (arm_arch5): New variable.
25707 (all_architectures): Add armv5 line.
25708 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25709 -march=armv5 is specified on the command line.
25710 (arm_arch5): Export this variable.
25711 * invoke.texi: Document new string accepted by -march= switch for
25714 * config/arm/arm.h: Replace use of constant 12 as a register
25715 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25716 * config/arm/arm.c: Replace use of constant 12 as a register
25717 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25719 * config/arm/elf.h: Tidy up.
25720 * config/arm/coff.h: Tidy up.
25722 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25724 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25725 * gcc/config/mips/t-iris6gld: New file.
25726 * gcc/config/mips/iris6gld.h: Likewise.
25728 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25730 * c-decl.c (widest_integer_literal_type_node,
25731 widest_unsigned_literal_type) : New.
25732 (init_decl_processing): Handle/use the two new types.
25733 * c-common.c (type_for_size,type_for_mode) : Same.
25734 * c-lex.c (yylex) : Same.
25735 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25737 * c-tree.h (widest_integer_literal_type_node,
25738 widest_unsigned_literal_type) : New.
25740 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25742 * dwarfout.c (field_byte_offset): Correctly compute the object's
25743 byte offset for the first bit of a field which crosses an alignment
25744 boundary on a !BYTES_BIG_ENDIAN target.
25746 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25748 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25751 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25752 Jeff Law <law@cygnus.com>
25754 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25757 * except.c: Include intl.h.
25758 (expand_eh_return): Set current_function_cannot_inline.
25759 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25760 * function.h (struct function): Add eh_return_stub_label.
25761 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25762 * Makefile.in (except.o): Depend on intl.h.
25764 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25766 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25767 same as offsettable in cases 1 and 2.
25769 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25771 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25772 (extlh, extwh): Likewise.
25774 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25776 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25778 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25780 * configure.in: Add arm-pe and thumb-pe targets.
25781 * configure: Regenerate.
25783 * thumb.c (arm_naked_function_p): New function: Determines if
25784 a function is naked (has no gcc generated prologue/epilogue).
25785 (is_called_in_ARM_mode): Return true if the func has the
25786 interfacearm attribute.
25787 (output_return): Do not generate a return for naked functions.
25788 (thumb_function_prologue): Do not generate a prologue for
25790 (thumb_expand_prologue): Do not generate a prologue for naked
25792 (thumb_expand_epilogue): Do not generate an epilogue for naked
25794 (arm_valid_machine_decl_attribute): New function, copied from
25795 arm.c: Permit naked and interfacearm attributes.
25797 * config/arm/pe.c: New file: Support code for arm-pe target.
25798 * config/arm/pe.h: New file: Header file for arm-pe target.
25799 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25800 * config/arm/t-thumb-pe: New file: Makefile fragment for
25803 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25805 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25806 -fPIC or -fpic is specified.
25808 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25810 * expr.c (emit_block_move): Use copy_to_mode_reg for
25811 !TARGET_MEM_FUNCTIONS case too.
25813 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25815 * configure: Rebuilt.
25816 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25817 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25818 definitions made redundant by dbxelf.h inclusion. Delete
25819 lots of definitions related to assembly output that are
25820 specific to the SOM object format.
25821 * pa.c (output_function_prologue): Do not emit the function's
25823 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25824 * pa-pro.h: Deleted.
25825 * som.h: New file with SOM specific definitions.
25826 * elf.h: New file with ELF specific definitions.
25828 * elfos.h (const_section): Output a tab before assembler directives.
25829 (ctors_section, dtors_section): Likewise.
25830 (ASM_OUTPUT_SECTION_NAME): Likewise.
25832 * pa/pa1.h: Delete unused file.
25834 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25836 * configure.in (hppa*-hp-hpux11*): New configuration.
25837 * configure: Rebuilt.
25838 * pa/pa-hpux11.h: New file.
25839 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25842 * mips.md (leasi, leadi): New patterns.
25844 * expr.c (emit_block_move): Properly handle case where one of the
25845 block move arguments has a queued increment or decrement.
25846 (clear_storage): Similarly. Fix formatting goof.
25848 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25850 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25851 semicolon from the BSD VA_LIST replacement expression.
25853 * fixinc/inclhack.sh: regen
25854 * fixinc/fixincl.x: regen
25856 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25857 now use the fixincl program.
25859 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25861 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25862 case. Also make the PIC register call_used.
25864 * m68k.h (FINALIZE_PIC): Delete.
25865 * m68k.c (finalize_pic): Delete.
25867 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25869 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25872 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25874 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25876 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25878 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25880 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25882 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25884 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25886 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25888 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25890 * rs6000.c (output_toc): Always use hex values for floating-point
25891 constants. Store single-precision values in upper-half of TOC
25892 entry in 64-bit mode.
25893 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25894 to final constraints.
25895 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25896 (fctiwz): Improve accuracy of RTL for pattern.
25898 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25900 * expr.c (expand_expr): Allow RTL_EXPR's through the
25901 MAX_INTEGER_COMPUTATION_MODE checks.
25903 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25905 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25906 such that MASK_SUPPORT_ARCH is not negative.
25908 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25910 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25911 ADDR_DIFF_VEC insns that appear inside loops.
25913 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25914 Jeff Law <law@cygnus.com>
25916 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25917 Handle LO_SUM the same as offsettable in cases 1 and 2.
25918 * rs6000.c (find_addr_reg): Revert previous patch.
25920 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25922 * system.h (strstr): New external function declaration.
25923 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25924 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25925 * config.in, configure: Rebuilt.
25927 1999-06-24 Tom Tromey <tromey@cygnus.com>
25929 * gcc.c (main): Read user-specified specs files after computing
25930 additional startfile_prefixes.
25932 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25934 Revert these two patches:
25936 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25937 * loop.c (strength_reduce): When doing biv->giv conversion, update
25938 reg note of NEXT->insn.
25940 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25941 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25943 (recombine_givs): Set ix field after sorting.
25945 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25947 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25948 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25950 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25952 *fixinc/inclhack.def: Add fix development commentary
25953 (read_ret_type): reactivate and add selection clause
25954 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25955 *fixinc/{fixincl.x|inclhack.sh}: regen
25957 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25959 * expr.c (expand_expr): STRIP_NOPS before checking against
25960 MAX_INTEGER_COMPUTATION_MODE
25961 (check_max_integer_computation_mode): Likewise.
25963 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25965 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25967 1999-06-22 Jim Wilson <wilson@cygnus.com>
25969 * expr.c (store_expr): When target is a promoted subreg, return a
25970 promoted subreg as a result.
25972 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25974 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25976 (dwarf2out_define): Mark unused parameters appropriately.
25977 (gen_unspecified_parameters_die): Ditto.
25978 (gen_subprogram_die): Fix signed/unsigned warnings.
25979 (gen_variable_die): Ditto.
25981 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25983 * fixinc/inclhack.def(end_else_label): combined else_label
25984 and endif_label and fixed the sed expression.
25985 *fixinc/{fixincl.x|inclhack.sh}: regen
25987 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25989 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25990 'x' when handling non-offsettable addresses
25992 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25994 * final.c (shorten_branches): Don't try to split an insn that has
25997 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25999 * config/mips/mips.c (symbolic_expression_p): New function.
26000 (mips_select_rtx_section): Put symbolic expressions in the
26001 data section, not the read-only data section.
26003 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
26005 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
26007 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
26009 * collect2.c (main): Log frame table count.
26010 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
26011 (scan_prog_file) [COFF]: Handle frame tables.
26013 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
26014 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
26015 * alpha/elf.h: Undef them again.
26016 * alpha/vms.h: Remove their definitions.
26018 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26020 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
26021 remove the clobber of r0 and change the REG_UNUSED note to
26024 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
26026 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
26027 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
26028 fits in HOST_WIDE_INT and one uses union to access a long constant
26031 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
26033 * sparc.c (sparc_override_options): Don't allow profiling for
26034 code models other than medlow.
26035 (sparc_function_profiler): New function from old FUNCTION_PROFILER
26036 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
26037 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
26038 (sparc_block_profiler): Likewise.
26039 (sparc_function_block_profiler_exit): Likewise.
26040 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
26041 (FUNCTION_BLOCK_PROFILER): Likewise.
26042 (BLOCK_PROFILER): Likewise.
26043 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
26044 (MCOUNT_FUNCTION): New.
26045 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
26046 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
26047 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
26048 (MCOUNT_FUNCTION): New.
26049 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
26050 (BLOCK_PROFILER): Delete.
26051 (MCOUNT_FUNCTION): New.
26053 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
26055 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
26057 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26059 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26062 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26065 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26068 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26071 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
26073 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
26076 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
26078 * i386/djgpp.h (LIB_SPEC): New.
26079 (STARTFILE_SPEC): New.
26081 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
26083 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
26085 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
26088 * system.h (WSTOPSIG): New macro.
26090 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
26092 * c-pragma.c (push_alignment): Don't ignore alignments greater than
26094 (insert_pack_attributes): Take into account member natural
26097 * i386/winnt.c (exports_head): New static variable.
26098 (i386_pe_record_exported_symbol): New function.
26099 (i386_pe_asm_file_end): Use.
26100 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
26101 symbols to be emitted at end of assembly.
26102 (ASM_DECLARE_OBJECT_NAME): Likewise.
26103 (ASM_DECLARE_FUNCTION_NAME): Likewise.
26105 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
26108 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
26110 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
26113 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
26115 * haifa-sched.c (sched_analyze_1): Use free_list instead of
26116 zapping reg_last_uses directly.
26117 (sched_analyze_2, sched_analyze_insn): Likewise.
26118 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
26120 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
26122 * rs6000.md (movdf_hardfloat32): Use worst case insn length
26123 attributes for cases 1 and 2.
26125 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
26127 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
26130 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
26132 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
26134 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
26136 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
26137 PIC_OFFSET_TABLE_REGNUM for general alloaction.
26138 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
26139 must be stacked if it is used for PIC accesses.
26140 * arm.c (use_return_insn): Handle PIC register specially.
26141 (output_return_instruction): Likewise.
26142 (output_func_{prologue,epilogue}): Likewise.
26143 (output_expand_prologue): Likewise.
26145 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
26146 (*strsi_predec): Renamed from *strqi_predec.
26147 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
26148 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
26150 * arm.c (arm_override_options): Remove warning about PIC code
26151 not being supported.
26153 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
26155 * rs6000.c (find_addr_reg): New function.
26156 * rs6000.h (find_addr_reg): Declare.
26157 (offsettable_addr_operand): Delete.
26158 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
26159 from and stores to GPRs.
26161 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
26163 * alpha.c (alpha_expand_block_move): Use get_insns rather than
26164 gen_sequence as argument to emit_no_conflict_block.
26166 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26168 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
26169 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
26170 *fixinc/fixincl.x: regen
26171 *fixinc/inclhack.sh: regen
26173 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
26175 * added support for -mpcrel (PC relative addressing for m68k)
26176 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
26177 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
26178 * m68k.c (print_operand_address): Handle 32-bit PIC case.
26179 (comments for general_src_operand): Add some explanation
26180 about EXTRA_CONSTRAINTS.
26181 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
26182 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26183 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26184 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26185 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26186 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26187 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26188 if not already set.
26189 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26190 * m68k.h (TARGET_PCREL): New target flag.
26191 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26192 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26193 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26194 contains a SYMBOL_REF. Relax this constraint during reload, since
26195 we want to use the predicates, not reload's built-in concept of a
26196 valid memory address, to control what insns need reloading.
26197 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26198 operands (essentially 'g', 'm', and 's' under normal circumstances).
26199 * m68k.c (print_operand): Cause printing of pc-relative addresses
26200 to include pc register.
26201 (print_operand_address): Ditto.
26202 (general_src_operand): Accept operands that are not only
26203 general_operands, but are also valid when used as a pc-relative
26205 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26206 (memory_src_operand): Similar, for memory_operands.
26207 (pcrel_address): New predicate to accept the special case of a
26208 pc-relative address.
26209 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26210 QImode insns to accept *_src_operand instead of *_operand where
26211 pc-relative operands can fit. For example, a pc-relative operand
26212 can be used as a memory source operand for addsi3, but not as a
26213 memory destination.
26214 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26216 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26218 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26219 .thumb_set pseudo op to mark aliases of thumb functions.
26221 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26223 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26224 preference to ASM_OUTPUT_DEF, if it is defined.
26226 * tm.texi: Document new, optional target macro
26227 ASM_OUTPUT_DEF_FROM_DECLS.
26229 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26231 * fixincludes: ISCNTL patch
26232 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26233 (dgux_int_varargs): new for DG/UX
26234 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26236 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26238 * invoke.texi (ia32 options): Fix typo.
26240 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26242 * loop.c (strength_reduce): When doing biv->giv conversion, update
26243 reg note of NEXT->insn.
26245 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26247 * loop.c (move_movables): Note issues with replacing REGs with
26249 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26251 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26253 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26255 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26256 the reference to `mcount' was not correct for the ELF on FreeBSD.
26258 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26260 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26263 (recombine_givs): Set ix field after sorting.
26265 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26267 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26268 to safe to extract a subword out of a REG.
26270 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26272 * sh.md (mulsi3): Don't add a no-op move at the end.
26274 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26276 * cse.c (cse_insn): Don't put hard register source into tables for
26277 the last insn of a libcall.
26279 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26281 * loop.c (strength_reduce): Insert sets of derived givs at every
26282 biv increment, even if it's the only one.
26284 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26286 * dwarfout.c (add_incomplete_type): New fn.
26287 (output_type): Call it.
26288 (retry_incomplete_types): New fn.
26289 (dwarfout_finish): Call it.
26291 From Eric Raskin <ehr@listworks.com>:
26292 (output_type): Output types for bases.
26294 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26296 * mips.c (mips_output_conditional_branch): Add `break'
26297 between `default' label and `close braces'.
26299 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26301 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26302 specifications and make it realistic.
26303 (LIB_SPEC): Likewise.
26305 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26307 * config/mips/mips.c (mips_secondary_reload_class): Check for
26308 (PLUS (SP) (REG)) and return appropriate register class.
26309 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26310 Handle (PLUS (SP) (REG)).
26311 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26312 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26313 of emit_insn for tablejump.
26315 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26317 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26318 asm_fprintf format string by itself.
26319 (output_function_profiler): Likewise.
26321 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26323 * combine.c (simplify_logical, case AND): Only call
26324 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26325 or the constant is positive.
26327 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26329 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26330 * configure: Regenerate.
26332 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26334 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26335 require a sub-version #.
26336 * configure: Rebuilt.
26338 1999-06-14 Robert Lipe (robertlipe@usa.net)
26340 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26342 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26344 * c-typeck.c (process_init_element): Detect excess elements in
26345 char array initializer.
26347 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26349 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26351 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26353 * invoke.texi (Option Summary): Add -fpermissive flag.
26355 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26357 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26358 that require PIC code sequences.
26360 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26362 * configure.in: Add new target: thumb-elf.
26363 * configure: Regenerate.
26364 * config/arm/t-thumb-elf: New file: Makefile fragment for
26366 * config/arm/telf.h: New file: Header file for thumb-elf
26369 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26371 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26372 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26373 initializers is some circumstances.
26375 * fixinc/inclhack.def (endif_label): Add additional selector for
26376 more bogus stuff after #endif statements.
26377 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26379 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26381 * i386/cygwin.h (SET_ASM_OP): Define.
26383 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26385 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26387 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26389 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26392 * sh.md (ic_invalidate_line_i): Remove second alternative.
26394 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26396 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26397 test for the presence of valid prototypes. Delete bypass expr.
26398 (ioctl_fix_ctrl): Correct the selection expression.
26399 (no_double_slash): Correct quoting rules
26400 *fixinc/fixincl.x: regen
26401 *fixinc/inclhack.sh: regen
26403 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26405 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26407 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26409 * rs6000.md (movsi_got_internal_mem): Delete.
26410 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26411 (GOT_TOC_REGNUM): Delete.
26412 (PIC_OFFSET_TABLE_REGNUM): Define.
26413 (FINALIZE_PIC): Disable.
26414 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26415 (rs6000_replace_regno): Delete.
26416 (rs6000_finalize_pic): Likewise.
26417 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26419 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26421 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26422 is a note; use <= for the compare; advance P while it is
26425 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26427 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26428 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26430 * varasm.c (remove_from_pending_weak_list): Verify t->name
26431 is non-NULL before passing it to strcmp.
26433 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26435 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26436 the typed arguments are not part of a comment
26437 (ioctl_fix_ctrl): Added a purpose comment
26438 *fixinc/fixincl.x: regenerate
26439 *fixinc/inclhack.sh: regenerate
26441 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26443 * invoke.texi: Add C4x invocation docs.
26445 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26447 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26449 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26451 (c4x_legitimize_reload_address): New function.
26452 * config/c4x/c4x.md: Update docs.
26454 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26456 * fixincludes: Avoid removing '.'.
26457 * fixinc/fixinc.svr4: Likewise.
26458 * fixinc/fixinc.winnt: Likewise.
26459 * fixinc/inclhack.tpl: Likewise.
26460 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26462 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26464 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26466 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26468 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26470 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26473 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26475 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26476 * configure: Regenerate.
26478 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26480 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26483 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26485 * fixinc/inclhack.def (avoid_bool): Also catch
26486 "typedef [unsigned] int bool".
26487 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26489 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26490 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26491 * configure: Rebuilt.
26493 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26495 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26496 such that we can override its definitions if necessary.
26497 (CPP_SPEC): New define. Support processor specific predefines via
26499 (CC1_SPEC): New define. Support processor specific compiler
26500 options via %(cc1_cpu).
26501 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26504 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26506 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26507 between sed's -e flag, and the open-quote following it.
26508 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26510 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26511 Jeffrey A Law (law@cygnus.com)
26513 * varasm.c (assemble_start_function): Remove the function
26514 from the pending weak decls list when we define a function.
26515 (assemble_variable): Similarly for variables.
26516 (weak_finish): Ignore items on the list with a NULL name.
26517 (remove_from_ending_weak_list); New function to "remove" an item
26518 from the pending weak declarations list.
26520 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26522 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26524 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26526 * c-lex.c (GETC): Redefine to call getch.
26527 (UNGETC): Redefine to call put_back.
26528 (putback_buffer): New structure type.
26529 (putback): New static structure.
26530 (getch): New function.
26531 (put_back): New function.
26532 (yylex): Replace unused bytes from bad multibyte character.
26534 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26536 * cpplib.c (do_define): Cast `alloca' return value.
26537 (do_include, do_undef, do_pragma): Likewise.
26538 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26540 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26541 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26543 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26545 * sparc.md (abstf2): This should be an expand.
26546 (split after abstf2_notv9): Fix mode.
26547 (abstf2_hq_v9): New pattern.
26548 (abstf2_v9): Only use when no hard quad.
26549 (absdf2_v9): Fix if target is not the same as source.
26550 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26551 Add correct output constraints.
26553 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26555 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26556 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26558 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26560 * mips.h (mips_output_conditional_branch): New function.
26561 (mips_adjust_insn_length): Likewise.
26562 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26563 (ADJUST_INSN_LENGTH): Likewise.
26564 * mips.c (print_operand): Add `F' and `W' for floating-point
26565 comparison opcodes.
26566 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26568 (mips_adjust_insn_length): New function.
26569 (mips_output_conditional_branch): New function.
26570 * mips.md (length): Adjust attribute definition to handle
26571 conditional branches. Change lengths to bytes, rather than
26572 instructions throughout. Remove length attribute from
26573 instructions whose length is four bytes, and rely on the default
26575 (dslot): Fix typo in comment.
26576 Reword conditional branch patterns to use
26577 mips_output_conditional_branch.
26579 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26581 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26582 (LIB_SPEC): Likewise.
26583 Link with -lprof1_r for -g/-pg.
26585 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26587 * loop.c (check_dbra_loop): Fix change of Jan 19.
26589 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26591 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26592 (STARTFILE_SPEC): Define, override the svr4.h version.
26593 (ENDFILE_SPEC): Likewise.
26595 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26597 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26598 * fixinc/fixincl.x: Regenerated.
26599 * fixinc/inclhack.sh: Regenerated.
26601 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26603 * sh.c (barrier_align): Don't return early for normal branch/barrier
26604 when optimizing for SH2.
26606 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26608 * i386/udk.h (LINK_SPEC): Correct linker search path for
26611 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26613 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26614 (braf_label_ref_operand): Delete.
26615 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26616 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26617 label_ref, and has no predicate.
26618 The patten has a predicate to guard against invalid substitutions.
26619 (dummy_jump): Delete.
26620 (casesi): Update use of casesi_jump_2.
26622 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26624 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26625 *fixinc/fixincl.x: regenerate
26626 *fixinc/inclhack.sh: regenerate
26628 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26630 * dwarf2out.c (add_incomplete_type): New fn.
26631 (gen_struct_or_union_type_die): Call it.
26632 (retry_incomplete_types): New fn.
26633 (dwarf2out_finish): Call it.
26635 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26637 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26638 current block starts with a CODE_LABEL and ends with a CALL and
26639 we can not find all the argument setup instructions for the CALL.
26641 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26643 Revert this change:
26644 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26645 something is a candidate for optimize_bit_field_compare.
26647 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26649 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26651 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26653 * alpha.c (override_options): Thinko in last patch.
26655 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26656 (LIB_SPEC): Recognize -pthread.
26658 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26660 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26661 definition in config/arm/coff.h
26662 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26664 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26666 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26667 fixes that need "file=xxx\n" prepended before invocation
26668 (start_fixer - new): starting the fixer process is complex enough
26669 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26670 (process): uses the new routine; omit usage of putenv()
26671 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26672 * fixinc/fixincl.x: regenerate
26674 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26676 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26677 and version #s (1.1 -> 2.96) as needed.
26678 * README.g77: Kill way out of date file in the toplevel directory.
26680 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26682 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26683 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26684 * configure: Rebuilt.
26685 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26686 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26687 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26688 (SWITCH_TAKES_ARG): Likewise.
26689 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26690 * config/t-freebsd: Moved from config/i386/ so it can used for all
26693 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26695 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26697 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26699 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26700 * configure: Rebuilt.
26702 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26704 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26705 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26706 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26707 (rs6000_output_load_toc_table): Same.
26708 (output_prolog, output_mi_thunk): Same.
26709 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26710 (ASM_GLOBALIZE_LABEL): Use putc.
26712 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26714 * alpha.md (reload_*_help): New patterns and splitters.
26715 (reload_*): Use them.
26716 (mov[qh]i): Likewise.
26718 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26720 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26723 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26725 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26727 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26729 * flow.c (mark_regs_live_at_end, insn_dead_p,
26730 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26731 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26732 hasn't run or the frame pointer is needed.
26733 * haifa-sched.c (attach_deaths): Likewise.
26734 * sched.c (attach_deaths): Likewise.
26736 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26738 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26739 calculate_can_reach_end returns nonzero.
26741 * configure.in (native gas tests): Search for an assembler in the
26742 same manner that the installed compiler will.
26743 * configure: Rebuilt.
26744 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26746 * alias.c (find_base_term): Improve handling of addresses
26747 constructed from binary operations.
26749 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26751 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26753 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26755 * function.h (cleanup_label, frame_offset): Declare.
26756 (tail_recursion_label, tail_recursion_reentry): Likewise.
26757 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26758 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26759 (tail_recursion_label, tail_recursion_reentry): Likewise.
26760 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26762 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26764 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26766 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26767 (MAX_OFILE_ALIGNMENT): Define.
26769 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26771 * fixincl.c: Replace local include scheme with #includes of
26772 gansidecl.h and system.h.
26773 * procopen.c: Likewise.
26774 * server.c: Likewise.
26776 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26778 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26779 (crti.o): Add build rule and dependencies.
26780 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26782 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26784 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26785 (LIB_LINUX_SPEC): Likewise.
26786 (LIB_LINUX_SPEC): Add support for -pthread
26787 (CPP_OS_LINUX_SPEC): Likewise.
26788 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26791 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26793 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26795 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26796 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26797 for IEEE math and CC_FCOMI.
26798 (put_jump_code): No IEEE if CC_FCOMI is set.
26800 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26802 * fold-const.c (fold_truthop): Make the field reference unsigned
26803 when converting a single bit compare.
26805 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26807 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26809 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26811 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26812 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26815 * reload.c (push_reload): Do not call remove_address_replacements
26816 when presented with identical optional reloads.
26818 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26820 * alpha.h (MASK_FIX, TARGET_FIX): New.
26821 (MASK_*): Reorganize constants.
26822 (CPP_AM_FIX_SPEC): New.
26823 (TARGET_SWITCHES): Add FIX.
26824 (EXTRA_SPECS): Likewise.
26825 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26826 (SECONDARY_MEMORY_NEEDED): Likewise.
26827 (REGISTER_MOVE_COST): Likewise.
26828 * alpha.c (override_options): Add FIX support. Always use
26829 ALPHA_TP_PROG for ev6.
26830 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26831 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26832 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26834 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26836 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26837 something is a candidate for optimize_bit_field_compare.
26839 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26841 * gcc.texi (Passes): Document branch-shortening.
26842 * invoke.texi (Debugging Options): Document the fact that `-dp'
26843 outputs length information for instructions.
26845 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26847 * flow.c: Revert previous delta.
26849 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26851 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26852 FRAME_POINTER_REGNUM.
26853 (mark_set_1): Ditto.
26854 (mark_used_regs): Ditto.
26856 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26858 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26859 (GOT_PCREL): New macro. Define to 1 if not already defined.
26860 * arm/elf.h (GOT_PCREL): Define to 0.
26861 * arm.c (arm_finalize_pic): Take into account the setting of
26864 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26866 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26867 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26869 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26870 store elimination candidates.
26872 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26874 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26877 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26879 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26880 Add use of x-aix41-gld.
26882 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26884 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26885 (ASM_OUTPUT_DESTRUCTOR): Define.
26887 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26889 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26890 last CODE_LABEL in a loop if we have previously passed a jump
26891 to the top of the loop.
26893 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26895 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26896 applying Philip's patch.
26898 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26900 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26903 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26905 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26907 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26909 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26910 Also remove a useless comment.
26912 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26914 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26916 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26918 * collect2.c (main): Only generate import or export file and add
26919 to link arguments if non-empty. Use xmalloc not alloca.
26920 (write_{export,import}_file): Delete.
26921 (write_aix_file): New function.
26922 (locatelib): Use xmalloc not malloc.
26923 (GCC_OK_SYMBOL): Do not check type if aix64.
26925 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26927 Based on patch by Scott Bambrough and Pat Beirne:
26928 * config/arm/arm.c (making_const_table): New variable.
26929 * config/arm/arm.h (making_const_table): Declare.
26930 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26932 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26933 Keep track of when we are building the constant table.
26935 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26937 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26940 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26942 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26945 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26947 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26950 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26952 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26954 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26956 * rs6000.c (output_mi_thunk): Enable full support again.
26958 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26960 * sh.h (BRANCH_COST): Define.
26962 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26964 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26966 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26968 * function.c (assign_stack_local): Align stack slot propertly.
26969 (assign_outer_stack_local): Likewise.
26971 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26973 * expr.h (lang_expand_constant): Declare.
26974 * toplev.c (lang_expand_constant): Define it.
26975 * varasm.c (output_constant): Use it.
26977 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26979 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26980 Change function definitions to K&R style.
26982 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26984 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26986 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26988 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26989 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26990 (several places): omit static initialization
26991 (process): use single fd, since only the read fd is used
26992 * fixinc/gnu-regex.c: define 'const' away, if not supported
26993 * fixinc/procopen.c(several places): omit static initialization
26994 * fixinc/server.c: define 'volitile' away, if not supported
26996 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26998 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26999 asm_fprintf and %L to generate the label name.
27000 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
27001 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
27003 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
27005 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
27006 insn for a conditional jump can not be found.
27008 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
27010 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
27011 on variables in specific sections other than .sbss and .sdata.
27013 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
27015 * stmt.c (expand_return): Call start_cleanup_deferral and
27016 end_cleanup_deferral around conditional code.
27018 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27020 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
27021 filename lists. Utilizes new "krstr" AutoGen function.
27022 * fixinc/fixincl.x: Rebuilt.
27024 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
27026 * i386.c (output_float_compare): Avoid GNU-C extensions.
27028 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
27030 * version.c: Bump to distinguish mainline tree from the
27033 See ChangeLog.1 for earlier changes.