1 2000-05-06 Richard Henderson <rth@cygnus.com>
3 * c-typeck.c (build_c_cast): Remove dead code.
5 2000-05-06 Richard Henderson <rth@cygnus.com>
7 * flow.c (split_edge): Don't allocate global_live_at_start for
8 the new block unless the old blocks had them as well.
10 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
12 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
13 test_bb if a or b uses x.
15 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
17 * cpphash.h: Remove conditional #define of __extension__.
18 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
19 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
20 (ENABLE_RTL_CHECKING only).
21 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
22 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
23 (ENABLE_TREE_CHECKING only).
24 * varray.h: Add __extension__ to VARRAY_CHECK macro
25 (ENABLE_CHECKING only).
27 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
29 Use new tail-calling mechanism on ARM.
30 * arm.md (sibcall, sibcall_value): New expands.
31 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
32 (tailcalling peepholes): Delete.
33 (push_multi): Simplify.
34 * arm.c (lr_save_eliminated): Delete definition.
35 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
36 (output_return_instruction): Remove checks on lr_save_eliminated.
37 (output_arm_prologue): Remove old tail-calling code.
38 (arm_output_epilogue): New parameter, really_return. All callers
39 changed. Handle tail-calling epilogues.
40 * arm.h (lr_save_eliminated): Delete declaration.
41 (frame_pointer_needed): Delete declaration.
42 * arm-protos.h (arm_output_epilogue): Adjust prototype.
44 * arm.md (is_thumb): Examine symbol thumb_code, not expression
46 * arm.c (thumb_code): Define it.
47 (arm_override_options): Set it.
48 * arm.h (thumb_code): Declare it.
50 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
52 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
54 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
56 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
57 bogus clobber to insns.
58 (load_multiple_operation, store_mulitple_operation): Don't check
60 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
62 * arm.md (and_scc, ior_scc): Add missing mode.
64 * arm.md (call_value_symbol): Remove predicate from op2.
66 * arm.h (SPECIAL_MODE_PREDICATES): Define.
68 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
70 * expr.c (get_subtarget): New function.
71 (force_operand, expand_expr, do_store_flag): Use it.
73 * toplev.c (compile_file): Don't take strlen of NAME if null.
75 2000-05-06 David Edelsohn <edelsohn@gnu.org>
77 * xcoffout.c (xcoff_current_include_file,
78 xcoff_current_function_file, xcoff_lastfile): Constify char *.
79 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
81 (xcoffout_declare_function): Make name 'const char *'.
82 (xcoffout_end_epilogue): Make fname 'const char *'
83 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
84 xcoffout_declare_function, xcoffout_source_line): Match above.
86 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
88 * rs6000.c (print_operand): Fix lossage typo.
89 (output_cbranch): Remove "cr" decoration for now.
90 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
92 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
94 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
97 2000-05-05 Bruce Korb <bkorb@gnu.org>
99 * fixinc/genfixes: Improve the matching for make target names
101 2000-05-05 Catherine Moore <clm@cygnus.com>
103 * c-common.c (decl_attributes): For TYPE_DECLs attach the
104 attribute to the decl.
105 * c-decl.c (pushdecl): Propagate the USED attribute to the
108 2000-05-05 Richard Henderson <rth@cygnus.com>
110 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
111 same way emit_group_load does.
113 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
115 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
117 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
120 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
122 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
124 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
126 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
127 to support -shared, on platforms with dynamic libraries.
129 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
131 * system.h (S_ISBLK): Provide fallback definition.
133 2000-05-05 Geoff Berry <geoffb@bops.com>
135 * extend.texi (Extended Asm): Document inability to give asm
136 statements access to condition codes.
138 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
140 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
141 as arg 2 of UNIQUE_SECTION.
143 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
145 * predict.c: Remove May 4 change.
146 * bb-reorder.c (make_reorder_chain): Do not perform block movement
147 if we have predicted the branch at 50-50 probability.
149 2000-05-05 Richard Henderson <rth@cygnus.com>
151 * flow.c (init_propagate_block_info): Fix merge error
152 in HAVE_conditional_execution code.
154 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
156 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
157 shift cycle for unknown shift count. Also generates dec + brpl.
158 (ashlqi3_out): Don't generate dec + brpl which now generates by
159 `out_shift_with_cnt'.
160 (ashlhi3_out): Likewise.
161 (ashlsi3_out): Likewise.
162 (ashrqi3_out): Likewise.
163 (ashrhi3_out): Likewise.
164 (ashrsi3_out): Likewise.
165 (lshrqi3_out): Likewise.
166 (lshrhi3_out): Likewise.
167 (lshrsi3_out): Likewise.
169 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
171 * gcc.c (free_split_directories): Correct typo in explanation
172 of make_relative_prefix.
174 2000-05-04 Geoff Keating <geoffk@cygnus.com>
176 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
177 comparison codes to branch_comparison_operator.
179 2000-05-04 Richard Henderson <rth@cygnus.com>
181 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
183 2000-05-04 Richard Henderson <rth@cygnus.com>
185 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
186 (DPBIT_FUNCS): Remove _sf_to_usi.
187 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
189 * ifcvt.c (noce_process_if_block): Fail if A or B modified
190 between condition and jump.
192 * libgcc2.c (near eh_context_specific): Comment #endif string.
193 * longlong.h: Don't use strings with embedded newlines.
195 2000-05-04 Geoff Keating <geoffk@cygnus.com>
197 * config/rs6000/rs6000-protos.h: Add output_cbranch.
198 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
199 (print_operand): Delete %t and %T codes.
200 (output_cbranch): New function. Support branch prediction.
201 * config/rs6000/rs6000.md: Use output_cbranch for
202 conditional branches and returns.
204 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
206 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
207 * stor-layout.c (place_field): Likewise.
208 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
209 * expr.c (store_expr): Make align unsigned.
210 * explow.c (plus_constant_wide): Make low words unsigned.
211 * expmed.c (choose_multiplier): Likewise.
212 * fold-const.c (fold): Likewise.
213 * tree.h (build_int_2): Likewise.
214 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
215 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
216 (init_emit): Change cast to unsigned char*.
217 * varasm.c (compare_constant_1): Add cast to char*.
218 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
219 * reload1.c (reload): Likewise.
221 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
223 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
225 * predict.c (estimate_probability): If no prediction was found, then
226 predict the successor that is the next physical block (if such a
229 2000-05-04 Richard Henderson <rth@cygnus.com>
231 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
233 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
235 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
237 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
239 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
240 attribute macros from here ...
242 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
243 (CPP_SPEC): Likewise.
244 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
246 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
247 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
249 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
251 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
253 * diagnostic (vbuild_message_string, build_message_string,
254 build_location_prefix, output_get_prefix, init_output_buffer,
255 output_notice, vline_wrapper_message_with_location,
256 v_message_with_decl, default_print_error_function): De-constify.
257 (set_real_maximum_length): Prototype.
259 * diagnostic.h (struct output_buffer, init_output_buffer,
260 output_get_prefix, output_set_prefix): De-constify.
262 * function.c (init_function_start): Constify.
264 * gensupport.c (remove_constraints, process_rtx): Prototype.
266 * gthr-posix.h: Indent uses of #pragma.
268 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
271 * predict.c (find_expected_value): Delete prototype.
272 (expected_value_to_br_prob): Initialize variable `ev_reg'.
274 * sbitmap.h (debug_sbitmap): Prototype.
276 * ssa.c (compute_coalesced_reg_partition): Prototype.
278 * stor-layout.c (debug_rli): Prototype.
280 * tree.h (round_down): Prototype.
281 (init_function_start): Constify.
283 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
285 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
286 (overly conservative). Change extern inline wrappers to
287 static inline, define them always, use PARAMS properly.
288 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
289 whitespace warnings for \f and \v at the beginning of a line.
291 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
293 * haifa-sched.c (schedule_insns): Free the flow edge list when it
296 2000-05-04 Bruce Korb <bkorb@gnu.org>
298 * fixincl/inclhack.def: added broken_cabs -
299 Remove `extern double cabs' declarations from math.h
300 * fixincl/inclhack.sh: regen
301 * fixincl/fixincl.x: regen
302 * fixincl/fixincl.c: Remove BOGOSITY code
303 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
305 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
307 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
309 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
310 when calling MEM_COPY_ATTRIBUTES.
311 * emit-rtl.c (operand_subword, change_address): Likewise.
312 * explow.c (stabilize): Likewise.
313 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
314 * integrate.c (copy_rtx_and_substitute): Likewise.
315 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
316 when calling MEM_COPY_ATTRIBUTES.
317 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
319 * cse.c (gen_lowpart_if_possible): Likewise.
320 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
321 * optabs.c (gen_move_insn): Likewise.
322 * recog.c (validate_replace_rtx_1): Likewise.
323 * simplify-rtx.c (add_mem_for_addr): Likewise.
324 * stmt.c (expand_anon_union_decl): Likewise.
325 * config/arm/arm.md: Likewise.
326 * config/h8300/h7300.c (fix_bit_operand): Likewise.
327 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
328 (block_move_no_loop, block_move_sequence): Likewise.
329 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
330 * config/alpha/alpha.c (get_aligned_mem): Likewise.
332 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
335 2000-05-03 Robert Lipe <robertlipe@usa.net>
337 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
339 (i[34567]86-*-sco3.2v5*) Likewise.
340 (i[34567]86-*-sco3.2v4*) Likewise.
341 (i[34567]86-*-sco) Likewise.
342 (i[34567]86-*-solaris2) Likewise.
343 (i[34567]86-*-sysv5*) Likewise.
344 (i[34567]86-*-sysv4*) Likewise.
345 (i[34567]86-*-udk*) Likewise.
346 (i[34567]86-*-sysv*) Likewise.
348 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
350 * cpphash.h (U): New define, to correct type of string constants.
351 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
352 routines, to do casts when passing unsigned strings to libc.
353 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
355 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
356 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
357 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
358 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
359 second argument an U_CHAR *.
361 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
362 length field, clean up initializer.
363 (ISTABLE): Add __extension__ to designated-
364 initializers version.
365 * cpplex.c (CHARTAB): Likewise.
367 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
368 case so the file won't be empty.
370 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
372 * bb-reorder.c (struct reorder_block_def): Member succ removed.
373 (REORDER_BLOCK_SUCC): Removed.
374 (enum reorder_skip_type): Removed.
375 (skip_insns_between_block): Renamed to skip_insns_after_block.
376 Removed second argument. Removed dead code and cleaned up.
377 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
378 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
379 second parameter to skip_insns_after_block.
381 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
383 * tree.c (staticp, case LABEL_DECL): New case.
385 2000-05-03 Richard Henderson <rth@cygnus.com>
387 * Makefile.in (start.encap): Do not depend on LIBGCC1.
389 * mklibgcc1.in: Fix typo last change.
391 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
393 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
394 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
395 (GCC_CFLAGS): Use it.
396 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
397 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
398 objc/Make-lang.in: Use it.
400 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
402 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
404 2000-05-03 Richard Henderson <rth@cygnus.com>
406 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
407 LIBGCC1 empty with libgcc1.null.
409 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
411 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
414 2000-05-03 Greg McGary <gkm@gnu.org>
416 * tree.h (tree_common): Add bounded_flag member. Remove
417 inaccurate comment about number of remaining bits.
418 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
419 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
420 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
421 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
422 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
423 (TYPE_QUAL_BOUNDED): New constant.
424 (TYPE_QUALS): Handle bounded qualifier.
425 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
426 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
427 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
428 TYPE_AMBIENT_BOUNDEDNESS): New macros.
429 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
430 (tree_type): Add pointer_depth member. Remove
431 inaccurate comment about number of remaining bits.
432 (DECL_POINTER_DEPTH): Add macro.
433 (tree_decl): Add pointer_depth member.
435 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
437 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
438 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
439 (lshrhi3_out): Likewise.
440 (ashrsi3_out): bugfix in shift by 8.
441 (test_hard_reg_class): New function.
442 * config/avr/avr.md: Bugfix inside conditions in peepholes.
443 (ashlhi3): removed define_expand of this pattern.
444 (*ashlhi3_insn): renamed to ashlhi3.
445 (ashlsi3): removed define_expand of this pattern.
446 (*ashlsi3_insn): renamed to ashlsi3.
447 (ashrqi3): removed define_expand of this pattern.
448 (*ashrqi3_insn): renamed to ashrqi3.
449 (ashrhi3): removed define_expand of this pattern.
450 (*ashrhi3_insn): renamed to ashrhi3.
451 (ashrsi3): removed define_expand of this pattern.
452 (*ashrsi3_insn): renamed to ashrsi3.
453 (lshrhi3): removed define_expand of this pattern.
454 (*lshrhi3_insn): renamed to lshrhi3.
455 (lshrsi3): removed define_expand of this pattern.
456 (*lshrsi3_insn): renamed to lshrsi3.
458 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
460 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
461 inclusion of "system.h".
463 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
465 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
468 2000-05-03 David Mosberger <davidm@hpl.hp.com>
470 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
472 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
473 -mconstant-gp is in effect and function-descriptors are being used
474 to make indirect calls.
475 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
476 (MASK_AUTO_PIC): Ditto.
477 (TARGET_CONST_GP): Ditto.
478 (TARGET_AUTO_PIC): Ditto.
479 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
480 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
481 -mno-pic is in effect.
482 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
483 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
484 -mauto-pic is in effect.
485 (gprel64_offset): New pattern.
486 (load_gprel64): Ditto.
487 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
488 -mconstant-gp is in effect, no need to preserve gp around direct
491 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
492 (FUNCTION_PROFILER): Define.
493 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
494 @fptr() directive when -mno-pic or -mauto-pic is in effect.
495 (ASM_OUTPUT_DESTRUCTOR): Ditto.
497 2000-05-03 Richard Henderson <rth@cygnus.com>
499 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
500 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
501 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
502 (mklibgcc, libgcc.mk): New targets.
503 (libgcc.a): Use libgcc.mk.
504 (stmp-multilib): Likewise.
505 (stmp-multilib-sub): Remove.
506 (mostlyclean): Don't delete libgcc2 temp files.
507 * configure.in (AC_PROG_CC_C_O): Add.
508 (NO_MINUS_C_MINUS_O): Substitute it.
509 (all_outputs): Add mklibgcc.
510 * mklibgcc.in: New file.
512 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
514 * cppexp.c (op_t): Make an int.
516 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
518 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
520 * gensupport.c (process_rtx): Fix macros used.
522 2000-05-03 Richard Henderson <rth@cygnus.com>
524 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
525 call-clobbered registers of a call.
527 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
529 * gensupport.c: New file.
530 * gensupport.h: New file.
531 * Makefile.in (HOST_RTL): Depend on gensupport.
532 (gensupport.o) New rule.
533 * genattr.c: Use gensupport for reading .md files.
534 * genattrtab.c: Ditto.
536 * genconfig.c: Ditto.
538 * genextract.c: Ditto.
540 * genopinit.c: Ditto.
541 * genoutput.c: Ditto.
544 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
545 * md.texi (Insn Splitting): Document define_insn_and_split.
547 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
549 * flow.c (verify_flow_info): Added two more sanity checks. The
550 first checks that the blocks are numbered consecutively. The second
551 checks that n_basic_blocks is actually equal to the number of
552 basic blocks in the insn chain.
554 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
556 * cpplib.h: Add accessor macros for token lists.
557 * cpplib.c, cpphash.c, cpplex.c: Use them.
559 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
561 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
562 memory usage if not in a function.
563 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
564 return address if static.
566 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
568 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
569 whether address may trap.
571 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
573 * bb-reorder (chain_reorder_blocks): Changed code to test for
574 EDGE_FALLTHRU rather than making erroneous assumption that the
575 first outgoing edge is the fall-through edge.
577 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
579 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
580 ABI for varargs, across all MIPS. This is incompatible because the
581 va_list (__builtin_va_list) structure is different, so a compilation
582 unit passing a va_list and a compilation unit being passed one, should
583 both be compiled with the same ABI. (The old structure had two
584 pointers, now it has three.)
586 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
588 * bb-reorder.c (struct reorder_block_def): Remove members end,
589 block_begin, and block_end.
590 (REORDER_BLOCK_OLD_END): Delete.
591 (REORDER_BLOCK_BEGIN): Delete.
592 (REORDER_BLOCK_END): Delete.
593 (chain_reorder_blocks): Remove dead code.
595 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
597 * bb-reorder.c (remove_scope_notes): Check for both types of scope
598 notes as the end of a basic block before deleting.
600 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
602 * final.c (final_start_function): Fix spelling of "necessary".
604 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
606 * toplev.c (debug_ignore_block): Return int.
607 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
608 * toplev.h, dwarf2out.h: Adjust.
609 * emit-rtl.c (remove_unnecessary_notes): Test return value.
611 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
612 * toplev.c, final.c, rtl.h: Adjust.
614 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
616 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
617 * configure.in: Look for makeinfo in the unified tree, then
618 for a system makeinfo which is sufficiently new.
619 * Makefile.in: If configure says makeinfo is too old, don't
620 build or install Info documentation.
622 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
624 * cpphash.c (collect_params): Fix off-by-one error.
625 (dump_hash_helper): Dump all four macro nodetypes.
627 2000-05-02 Jakub Jelinek <jakub@redhat.com>
629 * cpphash.c (trad_stringify): Adjust p after stringification as
632 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
634 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
635 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
637 * cppfiles.c (file_cleanup): Delete.
638 * cpphash.c (macro_cleanup): Delete.
639 (collect_objlike_expansion, collect_funlike_expansion,
640 macarg, scan_arguments): Remove CPP_POP case.
642 * cpplex.c (null_cleanup): Delete.
643 (cpp_pop_buffer): Do the work that was done in the cleanups
644 here. Call _cpp_unwind_if_stack from here.
645 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
646 cpp_scan_buffer): Run until we see CPP_EOF and the top of
647 stack is the buffer _below_ the one we stacked.
648 (cpp_get_token): Always pop an exhausted buffer. Return
649 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
650 * cpplib.c (skip_if_group): Don't call cpp_get_token to
651 increment the line number.
652 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
654 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
655 we see CPP_EOF and the top of stack is the buffer _below_ the
657 * scan-decls.c: Likewise.
659 2000-05-02 Andrew Haley <aph@cygnus.com>
661 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
662 where this function is called for the second time on a decl that
663 has had its section info changed in such a way as to move it out
665 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
667 2000-05-01 Richard Henderson <rth@cygnus.com>
669 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
670 the sequence we're moving, not to merge_bb->head.
672 2000-05-01 Richard Henderson <rth@cygnus.com>
674 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
675 reference to alpha/t-linux.
676 (alpha*-*-linux-gnu*): Likewise.
677 * configure: Rebuild.
679 * calls.c (expand_call): Don't emit reg notes for a sibcall.
681 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
684 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
686 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
688 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
691 2000-05-01 Richard Henderson <rth@cygnus.com>
693 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
694 emit_conditional_move.
696 2000-05-01 Jakub Jelinek <jakub@redhat.com>
698 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
699 as the dynamic linker.
701 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
703 * cppfiles.c (open_include_file): Open file in blocking mode.
704 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
705 Only exclude block devices and directories.
707 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
708 static. Allocate the hashnode and its string in the same
710 (del_HASHNODE): Don't free h->name.
711 (_cpp_lookup): If there is no entry for this string, create
713 (_cpp_lookup_slot): Delete.
714 * cpphash.h: Update prototypes.
716 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
718 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
719 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
720 node here, just fill in the value field properly. "Delete"
721 entries by setting the value field to T_VOID. Check for
722 hp->type == T_VOID, not hp == NULL.
724 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
725 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
728 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
730 * config/mn10300/mn10300.c (print_operand_address): Do not add
733 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
734 adjusted by less than 256 bytes, use ret regardless of having any
735 callee-saved register to restore.
737 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
739 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
741 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
743 * config/i386/djgpp.h (INT_ASM_OP): Define.
744 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
745 (ASM_WEAKEN_LABEL): Define.
746 (MASK_BNU210): Define.
747 (SUBTARGET_SWITCHES): Define.
748 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
749 (MAKE_DECL_ONE_ONLY): Define.
750 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
752 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
754 * i386/cygwin.h (INT_ASM_OP): Define.
756 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
758 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
759 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
761 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
763 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
764 __tmp_reg__ and __zero_reg__ initialization.
766 2000-04-30 Richard Henderson <rth@cygnus.com>
768 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
770 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
771 referenced bewteen the condition and the jump. Don't delete
772 anything but the jump.
774 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
776 * bb-reorder.c (scope_def): New struct.
777 (scope_forest_info): New struct.
778 (struct reorder_block_def): New member "scope".
779 (REORDER_BLOCK_SCOPE): New macro.
780 (relate_bbs_with_scopes): New function and prototype.
781 (make_new_scope): Likewise.
782 (build_scope_forest): Likewise.
783 (remove_scope_notes): Likewise.
784 (insert_intra_1): Likewise.
785 (insert_intra_bb_scope_notes): Likewise.
786 (insert_inter_bb_scope_notes): Likewise.
787 (rebuild_scope_notes): Likewise.
788 (free_scope_forest_1): Likewise.
789 (free_scope_forest): Likewise.
790 (dump_scope_forest): Likewise.
791 (dump_scope_forest_1): Likewise.
792 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
793 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
795 (reorder_basic_blocks): Added calls to build_scope_scope_forest
796 and remove_scope_notes before reordering is done. Added calls to
797 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
798 after reordering is done.
800 2000-40-30 Bruce Korb <bkorb@gnu.org>
802 * fixinc/inclhack.def: Added definitions needed by OSR5,
803 removed two stale entries (defined away with OLD_CPP).
804 * fixinc/inclhack.sh: regen
805 * fixinc/fixincl.x: regen
807 2000-04-30 Richard Henderson <rth@cygnus.com>
809 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
810 from the last insn in the sequence.
812 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
814 * cpplex.c (cpp_idcmp): New function.
815 * cpplib.h: Prototype it.
816 * scan_decls.c (scan_decls): Use it to inspect token names.
817 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
818 the file being run through the preprocessor.
819 (check_macro_names): Provide length of token to cpp_defined.
821 * Makefile.in: Remove stale warning message.
823 * cppfiles.c (redundant_include_p): Provide length of token to
825 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
826 values are unsigned int.
827 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
828 (_cpp_lookup_slot): Do not calculate the hash, either.
829 * cpphash.h: Update prototypes.
830 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
831 Hashes are unsigned int. Calculate hash here, pass by value
834 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
836 * simplify-rtx.c (check_value_useless): Delete function.
837 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
839 (cselib_invalidate_regno): Likewise.
840 (cselib_invalidate_mem_1): Likewise.
841 (references_value_p): Recognize useless values by the fact that they
843 (discard_useless_values): Likewise.
844 (cselib_record_set): This may turn a useless value
847 2000-04-30 Richard Henderson <rth@cygnus.com>
849 * config/d30v: New port.
851 * configure.in (d30v-*): Set fp format.
852 * configure: Rebuild.
854 2000-04-30 Richard Henderson <rth@cygnus.com>
857 * Makefile.in (OBJS): Add it.
858 (ifcvt.o): New target.
859 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
860 and conditional arithmetic.
861 (find_insert_position): Remove.
862 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
863 * toplev.c (DFI_ce, DFI_ce2): New.
864 (dump_file): Add ce and ce2 dumps.
865 (rest_of_compilation): Run if_convert a couple o times. Set
866 cse_not_expected after cse2. Don't set no_new_pseudos until
867 after sched1 or recompute_reg_usage.
869 2000-04-30 Richard Henderson <rth@cygnus.com>
871 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
872 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
874 2000-04-30 Richard Henderson <rth@cygnus.com>
876 * flow.c (struct reg_cond_life_info): New.
877 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
878 (init_propagate_block_info): Initialize them.
879 (free_propagate_block_info): Destruct them.
880 (mark_set_1): Consider conditional life before killing a register.
881 (mark_regno_cond_dead): New.
882 (free_reg_cond_life_info): New.
883 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
884 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
885 (mark_used_reg): Record conditional life.
887 * haifa-sched.c (schedule_insns): Disable death counting
888 sanity check for HAVE_conditional_execution.
890 2000-04-30 Richard Henderson <rth@cygnus.com>
892 * Makefile.in (TIMEVAR_H): New.
893 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
894 (timevar.h): Remove rule.
896 2000-04-29 Richard Henderson <rth@cygnus.com>
898 * config/alpha/crtend.asm: Use C comments instead of #.
899 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
901 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
903 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
905 * cpphash.h (enum node_type: Take out T_MCONST.
906 (union hashval): Move into struct hashnode.
907 (struct hashnode): Pack tighter. Remove file, line, col
909 * cpphash.c: Constify most of the macro-definition structures.
910 (struct definition): Replace by struct object_defn
911 and struct funct_defn. Put file, line, column information
912 here. All users updated to match.
913 (_cpp_create_definition, _cpp_macroexpand): Remove special
914 case for #define WORD OTHERWORD.
915 * cpplib.c (do_undef): Remove T_MCONST case.
917 * cpphash.h: Move struct reflist, struct definition, and the
918 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
919 union hashval. _cpp_free_definition takes a HASHNODE pointer.
920 * cpphash.c (_cpp_free_definition): Free data pointed to by
921 MCONST, XCONST, MACRO, and FMACRO nodes properly.
922 (_cpp_create_definition, del_HASHNODE): Just call
923 _cpp_free_definition to clear out a hashnode.
924 * cpplib.c (do_pragma_poison): Likewise.
926 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
928 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
929 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
930 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
931 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
932 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
933 REGNO_AM33_P): Redefine in terms of the new macros.
934 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
935 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
936 STRUCT_VALUE): Likewise.
937 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
938 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
940 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
942 * regmove.c (struct record_stack_memrefs_data): New.
943 (record_stack_memrefs): New function.
944 (combine_stack_adjustments_for_block): Use it.
946 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
948 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
949 use special_function_p to detect alloca.
951 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
953 * gcc.texi: Fixes for makeinfo 4.0 --html.
955 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
957 * pcp.h: Delete file.
959 2000-04-28 Kazu Hirata <kazu@hxi.com>
961 * h8300.c (function_epilogue): Clean up flags when the last insn
962 in a function is a barrier.
964 2000-04-28 Chris Demetriou <cgd@sibyte.com>
966 * configure.in (sparc-hal-solaris2*): protect [] glob from
968 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
969 rather than hard-coded constants in target_cpu_default2.
970 * configure: Regenerate.
972 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
974 * tree.c (get_callee_fndecl): Extract the initial value from
977 2000-04-28 Richard Henderson <rth@cygnus.com>
979 * varasm.c (record_constant_1): Record the CODE_LABEL when
980 taking the address of a LABEL_REF.
982 2000-04-28 Richard Henderson <rth@cygnus.com>
983 Jan Hubicka <jh@suse.cz>
985 * calls.c (combine_pending_stack_adjustment_and_call): Return the
986 adjustment; don't do the stack adjust.
987 (expand_call): Call compute_argument_block_size right before
988 allocating the block; update comment; don't do alignment sanity
989 checking for sibling call; use args_size instead of
990 unadjusted_args_size before args_size is adjusted. Use
991 combine_pending_stack_adjustment_and_call to compute stack adjust
992 for must_preallocate case.
994 * expr.c (push_block): Remove shadow `temp' in inner scope.
996 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
998 * toplev.c (rest_of_compilation): Call
999 note_deferral_of_defined_inline_function even if the function
1002 2000-04-28 Scott Bambrough <scottb@netwinder.org>
1004 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
1006 2000-04-28 Richard Henderson <rth@cygnus.com>
1008 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
1010 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * timevar.c (init_timevar): DeANSIfy function definition.
1014 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1016 * Makefile.in (timevar.o): Depend on flags.h.
1017 * timevar.c (unused_stack_instances): New variable.
1018 (timevar_push): Take a timevar_stack_def from
1019 unused_stack_instances if available.
1020 (timevar_pop): Push the popped timevar_stack_def onto
1021 unused_stack_instances.
1022 (TIMEVAR_ENABLE): New macro.
1023 (timevar_def): Make standalone a 1-bit field. Add field used.
1024 (get_time): Rename parameter to now. Return after clearing it if
1026 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
1027 (timevar_pop): Likewise.
1028 (timevar_stop): Likewise.
1029 (timevar_push): Likewise. Mark the timing variable as used.
1030 (timevar_start): Likewise.
1031 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
1032 timevars that were never used.
1034 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1036 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
1037 always TREE_READONLY.
1039 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
1041 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
1042 for call instruction with mode QImode.
1044 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1046 * Makefile.in (OBJS): Add timevar.o.
1047 (toplev.o): Depend on timevar.h.
1048 (ggc-simple.o): Likewise.
1049 (ggc-page.o): Likewise.
1050 (timevar.o): New rule.
1051 (timevar.h): New rule.
1053 * timevar.h: New file.
1054 * timevar.c: Likewise.
1055 * timevar.def: Likewise.
1057 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1058 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1060 (TIMEVAR): Remove macro.
1061 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1062 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1063 flow_time, combine_time, regmove_time, sched_time,
1064 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1065 sched2_time, dbr_sched_time, reorder_blocks_time,
1066 rename_registers_time, shorten_branch_time, stack_reg_time,
1067 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1069 (compile_file): Don't initialize time variables. Call
1070 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1071 of many calls to print_time.
1072 (rest_of_compilation): Add timing for reload_cse_regs.
1073 (get_run_time): Removed to timevar.c.
1074 (print_time): Likewise.
1075 (get_run_time): Implement using TV_TOTAL time variable.
1076 (print_time): Get total run time from get_run_time.
1077 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1078 computing elapsed time explicitly.
1079 * ggc-simple.c (ggc_collect): Likewise.
1080 (gc_time): Remove declaration.
1082 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1084 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1085 (expand_call): Use it.
1087 2000-04-27 Jan Hubicka <jh@suse.cz>
1089 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1092 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1094 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1097 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1099 * function.c (epilogue_done): Pass whole insn to record_insns.
1101 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1103 * cse.c (CSE_ADDRESS_COST): Remove.
1104 (find_best_addr): Add new parameter "MODE", use address_cost instead
1106 (address_cost): New.
1107 (fold_rtx): Update call of find_best_addr.
1108 * rtl.h (address_cost): Declare.
1109 * loop.c (general_induction_var): Add new parameter "MODE", use
1110 address_cost instead of ADDRESS_COST
1111 (init_loop): Use address_cost instead of ADDRESS_COST.
1112 (check_insn_for_givs): Update call of general_induction_var.
1113 (find_mem_givs): Likewise.
1114 (consec_sets_giv): Likewise.
1115 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
1116 * i386.c (ix86_address_cost): New.
1117 * i386-protos.h (ix86_address_cost): Declare.
1119 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
1121 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
1124 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
1126 * expr.c (store_expr): Use clear_storage instead of direct memset
1129 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
1131 * config/mn10300/mn10300.c (mn10300_address_cost): Test
1132 ASHIFT, AND and LABEL_REF.
1134 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
1136 * invoke.texi (-foptimize-sibling-calls): Fix.
1138 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
1140 * loop.c (load_mems) Don't use hard registers for the hoisting.
1142 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
1143 calculation; rename const_equiv array in the preconditioning code
1144 from loop_unroll to loop_unroll_precondition
1146 2000-04-27 Richard Henderson <rth@cygnus.com>
1148 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
1150 (propagate_one_insn): Clear it. Don't update reg_live here.
1151 (init_propagate_block_info): Update for pbi member changes.
1152 (free_propagate_block_info): Likewise.
1153 (mark_set_1): Know that zero_extract, sign_extract, and
1154 strict_low_part don't kill their argument. Alter hard subregs.
1155 Update new_set for non-CLOBBER sets. Update reg_live.
1156 (find_auto_inc): Update reg_live, not new_dead.
1157 (mark_used_reg): Update reg_live, not new_live. Examine new_set
1158 to determine if the reg in question was set this insn. Only update
1159 reg info with PROP_REG_INFO.
1161 2000-04-26 Richard Henderson <rth@cygnus.com>
1163 * flow.c (allocate_reg_life_data): Set max_regno here ...
1164 (life_analysis): ... not here.
1166 * flow.c (calculate_global_regs_live): Force stack pointer
1169 2000-04-26 Richard Henderson <rth@cygnus.com>
1171 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
1172 commit change group changes.
1173 (invert_exp_1): Similarly.
1174 (redirect_exp, invert_exp): Use them.
1175 (redirect_jump_1): New.
1176 (invert_jump_1): New.
1177 (jump_optimize_1): Remove code subsumed by condexec.c.
1178 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
1180 2000-04-26 Richard Henderson <rth@cygnus.com>
1182 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1184 * genconfig.c (main): Set all HAVE_foo to 1.
1186 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1188 2000-04-26 Alex Samuel <samuel@codesourcery.com>
1190 * invoke.texi: Document -fssa flag.
1192 2000-04-26 Richard Henderson <rth@cygnus.com>
1194 * flow.c (count_reg_sets_1): Remove.
1195 (count_reg_sets, count_reg_references): Remove.
1196 (recompute_reg_usage): Implement with update_life_info.
1197 Reallocate life data.
1199 2000-04-26 Richard Henderson <rth@cygnus.com>
1201 * flow.c (update_life_info): Consider blocks null to mean the
1203 (calculate_global_regs_live): Likewise.
1204 (life_analysis): Do that instead of collecting all_blocks.
1206 2000-04-26 Richard Henderson <rth@cygnus.com>
1208 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1209 a still-valid conditional jump.
1211 2000-04-26 Richard Henderson <rth@cygnus.com>
1213 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1215 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1216 * flow.c (calculate_loop_depth): Remove.
1217 * output.h (calculate_loop_depth): Don't declare.
1218 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1219 inline; run estimate_probability at the same time.
1221 2000-04-26 Neil Booth <NeilB@earthling.net>
1223 * cpplib.h: "~=" is not a single pp-token.
1224 * cpplex.c: Correct commentary.
1226 2000-04-26 Richard Henderson <rth@cygnus.com>
1228 * flow.c (mark_set_1): New arguments code and flags; update all
1229 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1230 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1231 loop_depth when optimizing for size. Do new_dead update after
1232 emitting REG_UNUSED notes. Merge mark_set_reg code.
1233 (mark_set_reg): Remove.
1234 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1235 arrange to not emit REG_UNUSED notes.
1237 2000-04-26 Richard Henderson <rth@cygnus.com>
1239 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1240 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1242 2000-04-26 Richard Henderson <rth@cygnus.com>
1244 * flow.c (propagate_one_insn): Break out from propagate_block.
1245 (init_propagate_block_info): Likewise.
1246 (free_propagate_block_info): Likewise.
1247 (propagate_block): Use them. Export.
1248 * basic-block.h: Declare them all.
1250 2000-04-26 Richard Henderson <rth@cygnus.com>
1252 * basic-block.h (life_analysis): Declare here ...
1253 * output.h: ... not here.
1254 * flow.c (life_analysis): Remove nregs parameter; replace
1255 remove_dead_code with flags. Remove ssa dead code check.
1256 Only init alias analysis if we'll use it.
1257 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1258 * ssa.c (convert_to_ssa): Likewise.
1259 (convert_from_ssa): Likewise.
1260 * toplev.c (rest_of_compilation): Likewise.
1262 2000-04-26 Richard Henderson <rth@cygnus.com>
1264 * flow.c (flow_delete_block): Rename from delete_block. Export.
1265 * basic-block.h (flow_delete_block): Declare.
1267 2000-04-26 David S. Miller <davem@redhat.com>
1269 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1270 taking a PATTERN of it.
1272 2000-04-26 <NeilB@earthling.net>
1274 * cpplex.c (spell_other, spell_char): Remove.
1276 (token_spelling, trigraph_map): Use unsigned chars.
1277 (_cpp_lex_line): Tidy up the switch statement.
1278 * cpplib.h: Implement spell_char with spell_string.
1281 2000-04-26 <RodneyBrown@pmsc.com>
1283 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1284 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1286 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1288 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1289 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1290 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1291 dwarf2out_return_save, dwarf2out_return_reg,
1292 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1293 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1294 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1296 * dwarf2out.h (dwarf2out_init): Likewise.
1298 * dwarfout.c (filename_entry, primary_filename, last_filename,
1299 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1301 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1302 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1303 dwarf2out_return_reg): Likewise.
1305 2000-04-26 Andreas Jaeger <aj@suse.de>
1307 * extend.texi (Function Attributes): Fix description of pure
1310 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1312 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1313 before calling rest_of_compilation.
1315 2000-04-26 Andreas Jaeger <aj@suse.de>
1317 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1320 2000-04-25 Richard Henderson <rth@cygnus.com>
1322 * cse.c (cse_insn): Emit barrier after unconditional jump.
1324 * calls.c (expand_call): Disable tail call generation once
1325 rtx_equal_function_value_matters is false.
1327 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1330 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1332 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1334 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1336 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1337 is the primary DIE for a member function.
1338 (gen_decl_die): Call set_decl_origin_self here.
1339 * dwarfout.c (output_decl): And here.
1340 * integrate.c (output_inline_function): Not here.
1341 Don't clear DECL_INLINE until after calling rest_of_compilation.
1342 (set_decl_origin_self): No longer static.
1343 * tree.h: Add prototype.
1344 * toplev.c (note_deferral_of_defined_inline_function): Only write
1345 out abstract instance for actual inlines.
1347 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1349 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1350 EXTENDED_REGS only if TARGET_AM33.
1351 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1352 SP_REGS to register allocation and reloading unless absolutely
1354 (movsi3): Remove special-case of adding non-constants to SP.
1356 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1358 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1359 INCLUDES to search and does not provide any of its own. Also it
1360 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1361 parameters. Also it does not call AC_DEFINE.
1362 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1363 AC_DEFINE and provides for automatic entries for autoheader.
1364 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1366 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1367 so we can pass -I flags and include gansidecl.h/system.h in this
1370 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1372 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1374 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1375 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1376 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1378 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1379 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1380 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1381 for these macros. Clean up spacing and linewraps.
1383 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1385 * calls.c (expand_call): Use get_callee_fndecl.
1387 * print-tree.c (print_node): Print the chain of an _EXPR.
1389 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1390 Jim Wilson <wilson@cygnus.com>
1391 Andrew Haley <aph@cygnus.com>
1393 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1394 and gp save/restore problems.
1395 * config/ia64/crtend.asm: Add IA-64 unwind support.
1396 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1397 in fr_pad_size calculation.
1398 (save_restore_insns): Move PR save area. Correct uses of
1399 RTX_FRAME_RELATED_P.
1400 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1401 (ia64_expand_epilogue): Add eh_epilogue support.
1402 (ia64_function_prologue): Emit .prologue directive.
1403 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1404 (ia64_override_options): Set init_machine_status and
1405 mark_machine_status.
1406 (rtx_needs_barrier): Handle bsp reads and writes.
1407 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1408 New static variables.
1409 (process_set, process_for_unwind_directive): New functions.
1410 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1411 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1412 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1414 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1415 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1416 (struct machine_function): Define.
1417 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1419 2000-04-25 Bruce Korb <bkorb@gnu.org>
1421 * fixinc/Makefile.in: make the removal of old programs more
1423 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1424 install-bin and install-sh
1426 2000-04-25 Nick Clifton <nickc@cygnus.com>
1428 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1429 defined, define to return zero.
1430 (function_cannot_inline_p): If a function has any target
1431 specific attributes, then use the macro
1432 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1433 whether it can be inlined. If it cannot, issue a suitable
1436 * tm.texi: Add a new node 'Inlining' to document the new macro
1437 FUNCTION_ATTRIBUTE_INLINABLE_P.
1439 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1441 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1444 2000-04-25 Neil Booth <NeilB@earthling.net>
1446 Restore previous patch, plus the following fixes:
1448 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1449 flags, not CPP_OPEN_PAREN.
1450 * cpplex.c (expand_token_space, init_token_list,
1451 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1452 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1454 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1456 * config/i386/freebsd.h (INT_ASM_OP): Define.
1458 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1460 * loop.c (strength_reduce): Fix typo in the last checkin.
1462 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1464 * stor-layout.c (finalize_record_size): Simplify to use existing
1466 (compute_record_mode): No longer static.
1467 * tree.h (compute_record_mode): New declaration.
1469 2000-04-25 Neil Booth <NeilB@earthling.net>
1471 * Revert my patch below until cause of build failures
1474 2000-04-25 Richard Henderson <rth@cygnus.com>
1476 * combine.c (combine_instructions): Add missing argument
1479 * toplev.c (rest_of_compilation): Delay sibcall optimization
1480 until after emit_eh_context.
1482 2000-04-24 Nick Clifton <nickc@redhat.com>
1484 * combine.c (combine_instructions): Do not try to combine a
1485 sequence of insns when the second insn has been replaced by a
1488 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1490 * gcc.c (load_specs): New static function.
1491 (read_specs): Use it.
1493 * gcc.c (lookup_compiler): Make multiple passes for case
1494 insensitive filesystems.
1496 2000-04-24 Neil Booth <NeilB@earthling.net>
1498 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1499 * cpphash.h (_cpp_check_directive): new.
1500 * cpplex.c (handle_newline, cpp_free_token_list,
1501 init_trigraph_map, trigraph_ok, trigraph_replace,
1502 backslash_start, skip_block_comment, skip_line_comment,
1503 skip_whitespace, parse_name, parse_number, parse_string,
1504 copy_comment, _cpp_lex_line, spell_char, spell_string,
1505 spell_comment, spell_name, spell_other, _cpp_lex_file,
1506 _cpp_output_list): new.
1507 (expand_name_space): take length argument.
1508 (init_token_list): add comment list initialisation.
1509 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1510 instead of HSPACE_BEFORE.
1512 * cpplib.c (_cpp_check_directive): new
1513 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1514 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1515 (HSPACE_BEFORE): delete.
1516 (TTYPE_TABLE): rearrange.
1517 (struct cpp_toklist): update.
1519 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1522 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1523 argument form of AC_DEFINE.
1525 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1526 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1527 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1528 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1529 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1531 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1533 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1535 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1536 deduced.h): Use -isystem, not -I, for including system headers.
1538 2000-04-24 Nick Clifton <nickc@cygnus.com>
1540 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1541 the source register is the frame pointer or arg pointer.
1542 (addsi3_small_int): Disallow if source register is the frame
1543 pointer or arg pointer.
1545 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1547 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1548 call to AC_MSG_RESULT.
1550 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1552 * invoke.texi: Correct grammatical errors, document
1553 -fno-gnu-keywords as identical to -fno-asm for C++.
1555 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1558 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1559 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1560 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1561 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1563 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1564 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1565 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1566 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1569 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1571 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1572 (pop_alignment): Likewise.
1573 (handle_pragma_token): Likewise.
1575 2000-04-24 Robert Lipe <robertlipe@usa.net>
1577 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1579 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1581 * combine.c (try_combine): Update reg_nonzero_bits of
1582 newi2pat before newpat.
1584 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1586 * loop.c (strength_reduce): Simplify test to INSN_P.
1587 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1588 expressions instead of CONST_INT.
1589 (express_from_1): Likewise.
1591 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1593 * regs.h (reg_n_max): Don't declare.
1594 * flow.c (reg_n_max): Don't define.
1595 * regclass.c (renumber): Don't initialize to zero.
1596 (regno_allocated): Likewise.
1597 (reg_n_max): Define.
1598 (allocate_reg_info): Don't initialize unnecessarily.
1600 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1602 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1603 and blockage_p in the newly allocated attribute.
1605 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1607 * config/mn10300/mn10300.md (addsi): `inc4' on address
1608 registers does not modify cc, but `inc' on an extended
1611 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1613 * reload.c (find_equiv_reg): Checks all valueno regs
1614 as a reload_reg_p regs.
1616 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1618 * cpphash.c (collect_objlike_expansion): Add sanity check.
1619 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1620 the buffer is the empty string, return. Mark __DATE__ and
1621 __TIME__ as XCONST nodes, not MCONST.
1622 (_cpp_macroexpand): Avoid pushing an empty buffer.
1623 (funlike_macroexpand): Don't pop token_buffer here.
1625 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1627 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1628 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1629 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1630 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1631 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1632 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1633 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1635 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1637 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1640 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1642 * cpphash.h (struct definition): Move file, line, col members...
1643 (struct hashnode): ... here. Also add 'disabled' flag.
1644 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1645 T_IDENTITY. Remove T_DISABLED.
1648 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1649 (collect_expansion): Split into collect_objlike_expansion and
1650 collect_funlike_expansion.
1651 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1652 funlike_macroexpand.
1653 (_cpp_compare_defs): Rename compare_defs, make static.
1654 (_cpp_make_hashnode): Initialize hp->disabled.
1655 (macro_cleanup): Adjust for new token types. Clear
1657 (_cpp_create_definition): Move code here to determine what
1658 sort of macro it is, and code to check for redefinitions, from
1659 do_define. Implement a few simple cases without creating a
1661 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1662 Handle the simple cases.
1663 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1666 * cppinit.c (builtin_array): Change MCONST to XCONST
1668 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1669 fix check for disabled and function-like macros.
1670 * cpplib.c (do_define): Move most logic to
1671 _cpp_create_definition.
1672 (do_undef): Handle new special token types.
1674 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1676 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1677 of CONSTANT_P for mult_val; always use validate_change to update insn.
1679 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1681 * cpphash.c (trad_stringify, add_pat): New functions.
1682 (collect_expansion): Restore support for -traditional syntax.
1683 Use trad_stringify and add_pat.
1684 (_cpp_macroexpand): Restore support for -traditional semantics.
1685 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1686 get a COMMENT token.
1687 (_cpp_lex_token): Provide COMMENT tokens to caller if
1688 traditional and parsing_define_directive.
1689 (skip_comment): Warn about // comments if -Wtraditional.
1690 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1692 (do_undef): Don't warn about undefining EMPTY nodes.
1694 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1696 * loop.c (strength_reduce): Fix biv removal code.
1698 2000-04-22 Richard Henderson <rth@cygnus.com>
1700 * predict.c (estimate_probability): Examine both sides of
1701 a branch for no exits. Use 90% not 50% for predict taken.
1702 Reorg for one copy of note generation code.
1704 2000-04-22 Richard Henderson <rth@cygnus.com>
1706 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1708 2000-04-22 Richard Henderson <rth@cygnus.com>
1710 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1711 (output_clear): Likewise.
1712 (output_printf): Use va_copy.
1713 (vline_wrapper_message_with_location): Likewise.
1714 (v_message_with_decl): Likewise.
1715 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1716 * system.h (va_copy): Provide default implementation.
1718 2000-04-22 Richard Henderson <rth@cygnus.com>
1720 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1721 the collected condition is not a constant.
1723 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1725 * diagnostic.h: New file.
1727 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1729 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1730 various function prototypes.
1731 (diagnostic.h): #include.
1732 (struct output_buffer): Move into diagnostic.h.
1733 (get_output_prefix): Rename to output_get_prefix. Export.
1734 (init_output_buffer): Export. Break out. Ajust intialization.
1735 (output_space_left, output_append): Export.
1736 (output_newline): Rename to output_add_newline. Export.
1737 (output_clear): Nullify additional output_buffer fields.
1738 (output_puts): Rename to output_add_string. Export.
1739 (dump_output): Rename to output_flush_on. Export.
1740 (build_location_prefix): Constify return-type.
1741 (emit_output_prefix): Rename to output_emit_prefix. Export.
1742 (set_real_maximum_length): New function.
1743 (output_set_maximum_length): Ditto
1744 (output_clear): Ditto.
1745 (output_add_character): Ditto.
1746 (output_add_integer): Ditto.
1747 (output_add_space): Ditto.
1748 (output_format): Ditto.
1749 (output_printf): Adjust buffer initialization.
1750 (vline_wrapper_message_with_location): Ditto.
1751 (v_message_with_decl): Ditto. Adjust call to output_puts
1752 and get_output_prefix.
1753 (default_print_error_function): Adjust buffer intialization.
1755 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1757 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1760 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1762 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1765 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1767 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1768 accurate data about SP moves.
1770 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1772 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1773 aliases to AM33 registers.
1775 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1777 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1778 to all EXTENDED bitmaps.
1780 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1782 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1783 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1784 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1786 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1788 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1789 the operand is not constant.
1791 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1793 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1794 as a call-clobbered regs.
1796 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1798 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1800 * rtl.def: Update comment.
1801 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1802 * integrate.c (expand_inline_function): Likewise.
1803 * profile.c (branch_prob): Likewise.
1804 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1805 * print-rtl.c (print_rtx): Likewise.
1806 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1807 (reemit_notes): Likewise; also use enum insn_note.
1809 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1810 (place_field): Properly compute know and actual alignment.
1812 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1815 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1818 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1820 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1821 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1822 (collect_expansion): Rewrite to scan over a token list.
1823 Remove -traditional support.
1824 (collect_formal_parameters): Rename to collect_params; rewrite
1825 to scan over a token list.
1826 (_cpp_create_definition): Adjust to scan a token list.
1827 (_cpp_macroexpand): Remove -traditional support.
1828 (_cpp_compare_defs): Whitespace is now canonicalized.
1829 (comp_def_part): Delete function.
1831 * cpphash.h: Update prototypes.
1832 * cpplex.c (init_token_list): Don't set lineno if there is no
1834 (pedantic_whitespace): New function.
1835 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1836 consume a newline. Use pedantic_whitespace.
1837 (_cpp_lex_token): Remove support for -traditional macros.
1838 (_cpp_get_define_token): Delete.
1839 (_cpp_get_directive_token): Do the real work here. Use
1840 pedantic_whitespace.
1841 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1843 * cpplib.c (get_macro_name): Delete.
1844 (do_define): Read the entire line into pfile->directbuf, then
1845 feed the token list to _cpp_create_definition.
1846 * cpplib.h (HSPACE_BEFORE): new define.
1847 (struct cpp_reader): Add a toklist member, "directbuf".
1849 * predict.c (estimate_probability): New heuristic: if a jump
1850 branches around a block with no successors, predict it taken.
1851 Disentangle control flow.
1853 2000-04-20 Richard Henderson <rth@cygnus.com>
1855 * loop.c (emit_iv_add_mult): Revert last change.
1857 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1859 * cpplib.h (enum cpp_ttype): Add token types for all
1860 punctuators. Distinguish pp-numbers from valid C numbers.
1861 Give some tokens better names. Initialize from macro.
1862 (struct cpp_name, cpp_token, cpp_toklist): New data
1865 * cpplex.c (bump_column, expand_name_space,
1866 expand_token_space, init_token_list, cpp_output_list,
1867 _cpp_scan_line): New functions.
1868 (output_line_command): Add third argument, new line number.
1869 * cpphash.h: Update prototypes.
1870 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1873 2000-04-20 Richard Henderson <rth@cygnus.com>
1875 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1877 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1879 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1882 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1884 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1885 REG_EQUAL note explaining the calculated value.
1887 * calls.c (expand_call): Avoid unnecesary precalculation
1888 and outgoing parameters space guarding for sibling calls.
1889 (store_one_arg): Likewise.
1891 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1893 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1894 (rest_of_compilation): Write sibling dump file and account
1895 for time as jump time.
1896 * invoke.texi: Update documentation on dump flags.
1898 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1900 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1902 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1904 * cpphash.c (special_symbol): Represent an empty macro with
1905 "\r \r " not just "\r ".
1906 (_cpp_macroexpand): Correct condition for the foo ( ) special
1908 (unsafe_chars): Handle EOF as second argument.
1909 (push_macro_expansion): Simplify test for removing escape at
1910 end. Do not trim both escapes if there is no text in between.
1912 2000-04-19 Jim Blandy <jimb@redhat.com>
1914 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1915 of PTR_SIZE, when appropriate.
1917 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1919 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1920 (USE_ENUM_BITFIELDS): Fix typo.
1922 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1924 * stor-layout.c (place_field): Set rli->offset_align properly.
1926 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1928 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1929 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1930 PARM_BOUNDARY): Remove unnecessary casts.
1932 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1934 * calls.c (precompute_arguments): Remove must_preallocate and
1936 (expand_call): Update call of precompute_arguments.
1938 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1939 check_insn_for_givs): Break out from ...
1940 (strength_reduce) ... here; use for_every_insn_in_loop to call
1941 check_insn_for_givs.
1942 * loop.h (for_every_insn_in_loop): Declare.
1943 (loop_insn_callback): New type.
1945 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1947 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1950 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1952 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1955 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1957 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1959 * configure.in: Delete --disable-cpplib option and all
1960 references to cpp_main.
1961 * configure: Regenerate.
1962 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1963 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1964 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1965 cpp$(exeext). Add --no-headers to makeinfo command line when
1966 generating INSTALL. Install and uninstall cpp.1 manpage, not
1968 * install.texi: Delete all references to cexp.y/cexp.c.
1969 Delete ancient instructions for compiling GCC on 3b1.
1970 * INSTALL: Regenerate.
1972 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1973 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1974 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1976 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1977 which is no longer tested anywhere.
1979 * cppinit.c (handle_option): Don't run error message through
1982 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1984 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1985 * cpperror.c (hashtab.h): Now include.
1986 * cppexp.c (hashtab.h): Likewise.
1987 * cpplex.c (hashtab.h): Likewise.
1988 * cppfiles.c (hashtab.h): Likewise.
1989 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1990 to htab_find_slot_with_hash.
1991 * cpphash.c (hashtab.h): Now include.
1992 (_cpp_lookup_slot): INSERT is now enum insert_option.
1993 * cpphash.h (_cpp_lookup_slot): Likewise.
1994 * cppinit.c (hashtab.h): Include earlier.
1995 (initialize_builtins): Pass enum to htab_find_slot.
1996 * cpplib.c (hashtab.h): Now include.
1997 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1998 (do_pragma_poison, do_assert): Likewise.
1999 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
2000 htab_find_slot_with_hash.
2001 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
2002 * tree.c (type_hash_add): Likewise.
2003 (build1): Minor cleanup.
2005 * ggc-common.c: Add missing blanks.
2006 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
2007 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
2009 * stmt.c (mark_case_node): New function.
2010 (mark_case_nesting): Call it.
2012 * expmed.c (emit_store_flag): If comparing two-word integer
2013 with zero, can optimize NE, EQ, GE, and LT.
2015 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
2016 * conflict.c: Minor cleanups.
2017 * optabs.c: Add blank line
2018 * simplify-rtx.c: Minor cleanups.
2020 2000-04-18 Stan Cox <scox@cygnus.com>
2022 * gengenrtl.c (genlegend): Fix misspelling.
2024 2000-04-18 Robert Lipe <robertlipe@usa.net>
2026 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
2027 bitfields of the host compiler are not signed quantities.
2028 * config.in: Regenerate.
2029 * configure: Regenerate.
2030 * system.h (USE_ENUM_BITFIELDS): Added.
2031 (ENUM_BITFIELDS): Added.
2032 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
2033 (SHORT_ENUM_BUG): Deleted.
2034 * tree.h (tree_common): Members `code', `mode', `built_in_class',
2036 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
2037 (CODE_FIELD_BUG): Likewise.
2038 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
2040 * config/m68k/x-ccur (X_CFLAGS): Likewise.
2042 2000-04-18 Mark Mitchell <mark@codesourcery.com>
2044 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
2047 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2049 * cppexp.c (lex): Don't assume tokens are NUL terminated.
2050 * cpplib.c (do_include, do_import, do_include_next,
2051 read_line_number, detect_if_not_defined): Likewise.
2052 * cpphash.c (collect_expansion): Likewise.
2053 (special_symbol, _cpp_macroexpand): Check return from
2055 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
2056 macros. Delete all uses.
2058 * gcc.dg/cpp-mi.c: Add two more test cases.
2059 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
2061 2000-04-17 Richard Henderson <rth@cygnus.com>
2063 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
2064 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
2066 2000-04-17 Mark Mitchell <mark@codesourcery.com>
2068 * function.c (expand_function_start): Use hard_function_value to
2069 compute the RTL to use for DECL_RESULT.
2071 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2073 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
2074 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2075 x86_memory_mismatch_stall): New global variables.
2076 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
2077 alloved; fix load penalties for Athlon.
2078 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2079 x86_memory_mismatch_stall): Declare.
2080 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
2081 TARGET_MEMORY_MISMATCH_STALL): New.
2082 * i386.md (athlon scheduling parameters): Fix latencies according to
2083 Athlon Optimization Manual.
2084 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
2086 (fsqrt instruction patterns): Set athlon_decode to direct.
2087 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
2088 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
2089 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
2090 and TARGET_PARTIAL_REGISTER_STALL machines.
2091 (pushdf_nointeger): New pattern.
2092 (pushdf_integer): Rename from pushdf.
2093 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
2094 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
2096 2000-04-17 Richard Henderson <rth@cygnus.com>
2098 * loop.c (canonicalize_condition): Add WANT_REG argument.
2099 Stop the search if we match it.
2100 * expr.h (canonicalize_condition): Update decl.
2101 * predict.c (expected_value_to_br_prob): Use it. Track last
2102 expected value note.
2103 (find_expected_value): Remove.
2105 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
2107 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2109 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
2110 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
2112 * configure.in: Call AC_FUNC_MMAP_FILE.
2113 * configure: Regenerate.
2114 * config.in: Regenerate.
2116 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
2117 * fixinc/fixincl.c: Likewise.
2119 2000-04-17 Richard Henderson <rth@cygnus.com>
2121 * builtins.c (expand_builtin_expect): New.
2122 (expand_builtin): Call it.
2123 * builtins.def (BUILT_IN_EXPECT): New.
2124 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
2125 * extend.texi: Document it.
2127 * predict.c (expected_value_to_br_prob): New.
2128 (find_expected_value): New.
2129 * basic-block.h (expected_value_to_br_prob): Declare.
2130 * toplev.c (rest_of_compilation): Invoke it.
2132 * rtl.h (NOTE_EXPECTED_VALUE): New.
2133 (NOTE_INSN_EXPECTED_VALUE): New.
2134 * rtl.c (note_insn_name): Update.
2135 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
2136 cases; handle NOTE_INSN_EXPECTED_VALUE.
2138 2000-04-17 Jakub Jelinek <jakub@redhat.com>
2140 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
2141 leaf sibcall delay slot if flag_pic.
2142 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
2144 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2146 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
2148 * fixproto: If fix-header fails, exit with an error.
2150 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2152 * cse.c (struct check_depdendence_data): New.
2153 (check_dependence): New function.
2154 (invalidate): Use check_depdenence.
2156 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2158 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
2159 UNITS_PER_WORD is unsigned.
2161 * tree.h (struct tree_common): Remove misleading comment.
2163 2000-04-16 Dave Pitts <dpitts@cozx.com>
2165 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
2166 message in quotes. Otherwise, IBM's make program treats the '#' as the
2167 start of a comment and ignores the remainder of the line.
2169 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
2171 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
2172 * cexp.y (initialize_random_junk): Likewise.
2173 * cppfiles.c (find_include_file): Cast alloca return value.
2174 * cppinit.c (initialize_standard_includes): Likewise.
2175 * cpplib.c (cpp_define, cpp_undef): Likewise.
2176 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
2177 * final.c (output_asm_insn): Allow for holes in EBCDIC.
2178 * fold-const.c (CHARMASK): New.
2179 (real_hex_to_f): Use it.
2180 * real.c (CHARMASK): New.
2181 (etoasc, asctoeg): Use it.
2182 (asctoeg): EBCDIC lower case characters preceed upper case.
2184 * i370.c (mvs_add_label): Change spacing for coding conventions.
2185 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
2186 outputing case vectors.
2187 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
2188 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
2189 since vector in in the data CSECT.
2190 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
2191 * i370.md (Many patterns): Put the length in the XL directives.
2192 (movdi): Put back STM and MVC in definition.
2193 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
2194 pattern using the TCA.
2195 * oe.h (CPP_SPEC): Added to allow trigraphs.
2196 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
2197 not support the "long long" type.
2199 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2201 * config/mips/mips-protos.h (mips_legitimate_address_p): New
2203 (mips_reg_mode_ok_for_base_p): Likewise.
2204 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
2205 (REG_OK_FOR_INDEX_P): Define unconditionally.
2206 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
2207 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
2208 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
2209 that GET_MODE_SIZE is unsigned.
2210 (mips_reg_mode_ok_for_base_p): Define.
2211 (mips_legitimate_address_p): Likewise. Adjust now
2212 that GET_MODE_SIZE is unsigned.
2213 (block_move_loop): Make the number of bytes unsigned.
2214 (expand_block_move): Likewise.
2215 (function_arg): Make the loop counter unsigned to match the
2218 2000-04-16 Richard Henderson <rth@cygnus.com>
2220 * rtl.h (enum insn_note): New enumeration. Subsume
2221 NOTE_INSN_DELETED and friends.
2222 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
2223 * rtl.c (note_insn_name): Tweak string order.
2225 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
2227 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
2230 * cpplex.c (output_line_command): Remove debugging prints.
2231 (cpp_output_tokens): Don't write out a zero-length buffer or
2232 try to see if it has a newline in it.
2233 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
2234 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
2235 the end of the loop. Use memmove. Don't read past the end of
2236 the buffer. Remove trailing newlines from error messages.
2238 2004-04-16 Neil Booth <NeilB@earthling.net>
2240 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2241 * cpplib.c: Add new syntax flags to directive table, and
2244 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2246 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2249 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2251 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2252 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2254 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2256 * Makefile.in (ggc-page.o): Now includes toplev.h.
2257 * ggc-page.c (toplev.h): Now included.
2258 (gc_time): Remove declaration.
2259 (ggc_collect): TIME now long.
2260 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2262 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2264 * toplev.c: Make *_time variable long to reduce chance of overflow.
2265 (TIMEVAR): Likewise for `otime'.
2266 (print_time): Arg is now long; compute percentage in FP and round.
2267 * toplev.h (print_time): Arg is long.
2269 * tree.c: Minor whitespace changes.
2271 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2272 * configure: Rebuilt.
2273 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2274 (__fixunsxfDI): Renamed from __fixunsxfdi.
2275 (__fixunsdfDI): Renamed from __fixunsdfdi.
2276 (__fixunssfDI): Renamed from __fixunssfdi.
2277 (__floatdisf): Use proper type in REP_BIT macro.
2278 (__fixunsxfSI): Renamed from __fixunsxfsi.
2279 (__fixunsdfSI): Renamed from __fixunsdfsi.
2280 (__fixunssfSI): Renamed from __fixunssfsi.
2281 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2282 Change location of macros and upper-case some names as above.
2283 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2284 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2286 * varasm.c (assemble_variable): Add cast to remove warning.
2287 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2289 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2290 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2291 region number to -1.
2293 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2295 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2296 call unshare_all_rtl.
2298 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2300 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2302 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2303 Use .s1 not .s0 for all FP instructions.
2305 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2307 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2309 (safe_fwrite, output_line_command): New static functions.
2310 (cpp_expand_to_buffer): Now private to cpplib.
2311 (cpp_scan_buffer): Take a printer.
2313 * cpphash.h: Update prototypes.
2314 * cpplib.h: Update prototypes.
2316 (cpp_buffer): Remove last_nominal_fname.
2317 (cpp_reader): Remove lineno.
2319 * cppmain.c: Use a cpp_printer.
2320 * fix-header.c: No need to inhibit line commands. Call
2321 cpp_start_read with no printer.
2323 * cpperror.c (cpp_notice_from_errno): Provide default name.
2324 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2325 (find_include_file, cpp_read_file): Use make_IHASH.
2326 (file_cleanup): Set control_macro and clear
2327 input_stack_listing_current here.
2328 (_cpp_execute_include): Don't output entering-file marker.
2329 * cpphash.c (special_symbol): Look for the line number in the
2330 buffer, not the reader.
2331 (_cpp_macroexpand): No need to disable line commands.
2332 (_cpp_dump_definition): No need to generate line commands.
2333 (dump_hash_helper): Remove excess newline from output.
2334 * cppinit.c (dump_special_to_buffer): No need to generate line
2336 (cpp_printer_init): New.
2337 (cpp_start_read): Take a printer, and start it up if it's not
2338 NULL. No need to generate line commands.
2339 (cpp_finish): Expect no buffers stacked at all. Take a
2340 printer argument, and flush the output buffer if it's not
2342 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2343 Don't put two hashes at the beginning of an assertion.
2344 (cpp_get_token): Don't increment pfile->lineno or emit line
2345 commands here. Return EOF if there's no buffer when we get
2347 * cpplib.c (do_define, skip_if_group):
2348 No need to disable line commands.
2349 (_cpp_output_line_command): Delete function.
2350 (do_line): Don't emit line commands here, but set things up so
2351 they will be emitted if necessary. Use _cpp_fake_ihash to
2352 make unique nominal_fnames if necessary.
2353 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2354 with 0 for column, not -1.
2355 (_cpp_handle_eof): Don't set the control macro here. Don't
2356 clear input_stack_listing_current here. Don't emit line
2359 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2361 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2362 always, use the default SVR4 start address.
2364 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2365 (LINK_SHLIB_SPEC): Define.
2366 (LINK_START_DEFAULT_SPEC): Define.
2367 (LINK_OS_DEFAULT_SPEC): Define.
2369 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2371 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2372 __do_global_ctors to handle constructors.
2373 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2374 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2375 (STARTFILE_MVME_SPEC): Likewise.
2376 (STARTFILE_SIM_SPEC): Likewise.
2377 (ENDFILE_ADS_SPEC): Use crtend.
2378 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2379 (ENDFILE_MVME_SPEC): Likewise.
2380 (ENDFILE_SIM_SPEC): Likewise.
2381 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2382 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2383 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2384 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2385 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2386 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2387 (CRTSTUFF_T_CFLAGS_S): Define.
2388 * config/rs6000/eabi-ctors.c: Delete.
2390 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2393 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2397 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2399 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2400 plus mask size is smaller or equal to the mode size.
2402 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2404 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2407 * expr.c (reload.h): Now included.
2408 (emit_block_move): Set volatile_ok when checking for movstr.
2409 (emit_move_1): Check for replacements in addresses in multi-word case.
2410 * Makefile.in (expr.o): Now includes reload.h.
2412 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2413 Never have a LIBCALL end a basic block.
2414 (find_basic_blocks_1): Likewise.
2415 Reorganize CALL_INSN cases.
2417 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2419 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2421 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2422 completers from mov.ret instruction.
2424 2000-04-14 Richard Henderson <rth@cygnus.com>
2426 * fold-const.c (extract_muldiv): Don't distribute and widen
2427 multiply across plus for non-sizetype unsigned types.
2429 2000-04-14 Richard Henderson <rth@cygnus.com>
2431 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2432 If the original source is dead in the incr insn, it's dead now.
2434 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2436 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2437 see if DECL_BIT_FIELD needs to still be set.
2439 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2441 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2442 print_int_cst_octal with something that's not an INTEGER_CST.
2444 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2445 and not a SUBREG to a FLOAT rtl.
2447 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2449 * emit-rtl.c (try_split): Avoid infinite loop if the split
2450 results in a sequence that contains the original insn.
2452 2000-04-13 Andreas Jaeger <aj@suse.de>
2454 * config/mips/mips.c (expand_block_move): Pass alignment
2455 argument to move_by_pieces in bits, not bytes.
2457 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2458 __pic__ for little endian.
2460 2000-04-13 Andreas Jaeger <aj@suse.de>
2462 * config/i386/i386-protos.h: Add prototype for
2463 uno_comparison_operator.
2465 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2467 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2468 * calls.c (ECF_PURE): New flag.
2469 (emit_call_1): Handle ECF_PURE calls.
2470 (initialize_argument_information): Unset ECF_PURE flag too.
2471 (precompute_arguments): Precompute for ECF_PURE too.
2472 (expand_call): Handle ECF_PURE calls too.
2473 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2474 accept value of 2 as pure function.
2475 (emit_library_call_value, emit_library_call): Rename no_queue argument
2477 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2479 * tree.h (DECL_IS_PURE): New macro.
2480 (struct tree_decl): Add pure_flag.
2481 * c-common.c (enum attrs): Add attribute "pure".
2482 (init_attributes): Initialize attribute "pure"
2483 (decl_attributes): Handle attribute "pure".
2484 * extend.texi (Attribute "pure"): Document.
2485 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2487 (flags_from_decl_or_type): Support attribute "pure".
2489 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2491 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2492 the token except for numbers and identifiers.
2494 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2496 * i386.c (ix86_expand_binary_operator,
2497 ix86_expand_unary_operator): Check no_new_pseudos
2498 instead of reload_in_progress and reload_completed.
2499 (ix86_split_ashldi, ix86_split_ashrdi,
2500 ix86_split_lshrdi): Check no_new_pseudos instead
2501 of reload_completed.
2503 2000-04-12 Jeffrey A Law (law@cygnus.com)
2505 * function.c (purge_addressof): Unshare any shared rtl created by
2506 purge_addressof and its children.
2508 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2510 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2513 2000-04-05 Andreas Jaeger <aj@suse.de>
2515 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2516 not compiling PIC code, add flags for mabi=64.
2517 (SUBTARGET_CPP_SIZE_SPEC): New.
2518 (SUBTARGET_CPP_SPEC): New.
2519 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2520 for MIPS/Linux and lots of code needs these defines.
2522 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2524 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2525 trying the "opposite arithmetic" approach.
2527 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2529 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2530 (struct sh_args): Add new field force_mem.
2531 (INIT_CUMULATIVE_ARGS): Initialize it.
2532 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2534 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2536 * calls.c (expand_call): Do not reverse args in "equal from" field.
2537 (emit_library_call_value_1): Emit_libcall_block for const and pure
2540 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2542 * reload1.c (reload_combine): Don't enable optimization for fixed
2543 registers when encountering a BARRIER.
2545 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2547 * builtins.c (expand_builtin_memcmp): Do expansion even with
2548 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2550 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2551 stack is propertly aligned; add sanity checking for aligned
2553 (expand_library_call_value_1): Add sanity checking for aligned
2556 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2558 * calls.c (emit_library_call_value_1): Change 3rd arg to
2559 locate_and_pad_parm to disregard the setting of partial.
2561 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2563 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2565 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2566 CALL_INSN from the normal case.
2568 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2570 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2571 New global variables.
2572 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2574 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2576 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2577 TARGET_ADD_ESP_8): New macros.
2578 * i386.md: Add peep2s to convert esp adjustments to push and pop
2580 (pushsi_prologue, popsi_epilogue): New patterns.
2582 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2584 * real.c (toe64): Remove stale #endif from the last change.
2586 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2588 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2589 * real.c (toe64): Revert previous change.
2591 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2593 * objc/objc-act.c: Include ggc.h.
2594 (objc_tree_index, objc_global_trees): Convert most of the
2595 static tree variables into a static array with previous names
2597 (objc_ellipsis_node): New variable.
2598 (lang_init): Call objc_act_parse_init and c_parse_init.
2599 Create objc_ellipsis_node.
2600 (build_selector_translation_table): Use objc_ellipsis_node instead
2602 (hack_method_prototype): Likewise.
2603 (get_arg_type_list): Likewise.
2604 (start_method_def): Likewise.
2605 (continue_method_def): Likewise.
2606 (gen_method_decl): Likewise.
2607 (ggc_mark_imp_list): New function.
2608 (ggc_mark_hash_table): New function.
2609 (objc_act_parse_init): New function.
2610 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2611 * c-parse.in (c_parse_init): For objc add roots of objc specific
2612 local tree variables.
2613 * objc/objc-parse.y: Rebuilt.
2614 * objc/objc-parse.c: Rebuilt.
2615 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2617 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2619 * cse.c (delete_trivially_dead_insns): Also delete insns
2620 that copy a register to itself where the destination is
2623 2000-04-11 Richard Henderson <rth@cygnus.com>
2625 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2626 (propagate_block): Initialize them. Use them in parallel instead
2627 of one tmp variable, ie revert much of the 0408 and 0407 functional
2628 changes, but keep the structural changes.
2629 (mark_set_regs): Take new_dead from propagate_block_info instead.
2630 (mark_set_1, mark_set_reg): Likewise.
2631 (mark_used_regs): Likewise with new_live.
2632 (mark_used_reg): Likewise. Revert 0408 change.
2634 2000-04-11 Nick Clifton <nickc@cygnus.com>
2636 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2638 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2640 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2642 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2643 const section to output a CONSTRUCTOR based on the same conditions
2646 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2648 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2649 * pa/pa-protos.h (output_call): Add additional argument indicating
2650 if the call is a sibling/tail call.
2651 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2652 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2653 (function_arg, function_arg_partial_nregs): Likewise
2654 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2655 (emit_move_sequence): Zero extend certain constants as needed
2657 (compute_zdepdi_operands, output_64bit_and): New functions.
2658 (output_64bit_ior, function_arg): Likewise.
2659 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2660 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2661 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2662 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2663 (output_bvb): Likewise.
2664 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2665 (output_call): New argument 'sibcall'. Generate sibcall sequences
2667 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2668 (ouput_arg_descriptor): Do not emit argument descriptors for
2670 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2672 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2673 (FUNCTION_OK_FOR_SIBALL): Define.
2674 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2675 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2676 (CPP_SPEC): Use new spec infrastructure.
2677 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2678 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2679 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2680 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2681 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2682 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2683 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2684 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2685 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2686 (FUNCTION_ARG); Call out to C code.
2687 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2688 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2689 (MIN_UNITS_PER_WORD): Likewise.
2690 * pa/pa.md (cmpdi): New expander.
2691 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2692 (64bit conditional arithmetic): New patterns.
2693 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2694 (movsicc): Not available if modes on all the operands to not match.
2695 (movdicc): New expander and associated patterns.
2696 (64bit branches): New patterns.
2697 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2698 (pre_ldd, post_std): New patterns.
2699 (64bit addil, load low part): New patterns.
2700 (special movsf constant): Not available for TARGET_64BIT.
2701 (movsf, movdf expanders): Force constants into memory.
2702 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2703 (64bit movdf/movdi patterns): New patterns.
2704 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2706 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2707 (adddi3 expander): Allow "arith_operand" for second input.
2708 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2709 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2710 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2711 (muldi3): New expander for TARGET_64BIT.
2712 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2714 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2715 patterns for TARGET_64BIT.
2716 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2717 patterns for TARGET_64BIT.
2718 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2719 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2720 (sibcall_epilogue): New expander.
2721 (casesi): Tweak for TARGET_64BIT.
2722 (call expanders): Set & use the outgoing argument pointer. Use the
2723 64bit call patterns as needed. Add additional arg to output_call.
2724 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2725 (sibcall, sibcall_internal_symref): New expanders.
2726 (sibcall_value, sibcall_value_internal_symref
2727 (interspace_jump): Turn into an expander + matching patterns.
2728 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2729 * pa/pa64-regs.h: Eliminate trigraph sequences.
2730 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2732 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2734 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2735 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2736 cpp_token with cpp_ttype everywhere.
2737 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2738 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2739 CPP_BUF_COL. Line and column numbers are unsigned int, not
2741 * cpplex.c (cpp_buf_line_and_col): Delete.
2742 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2743 'long lineno' to 'unsigned int lineno'.
2744 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2746 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2748 * extend.texi: ISO C99 is not a draft anymore.
2749 * invoke.texi: ISO C++ is not a draft anymore.
2750 * cpp.texi: __cplusplus is required by the ISO standard.
2752 * extend.texi (-fthis-is-variable): Undocument.
2753 * flags.h (warn_template_debugging): Remove declaration.
2754 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2755 -Wenum-clash, -Wtemplate-debugging): Undocument.
2757 2000-04-10 Nick Clifton <nickc@cygnus.com>
2759 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2761 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2763 (ARM_SIGN_EXTEND): Use HOST_UINT.
2764 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2765 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2766 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2767 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2769 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2770 (arm_gen_constant): Use HOST_UINT.
2771 (arm_canonicalize_constant): Use HOST_UINT.
2772 (arm_reload_in_hi): Use HOST_UINT.
2773 (arm_reload_out_hi): Use HOST_UINT.
2774 (output_multi_immediate): Use HOST_UINT.
2775 (int_log2): Use HOST_UINT.
2776 (arm_poke_function_name): Use HOST_UINT.
2777 (arm_output_epilogue): Use arm_volatile_func().
2778 (output_thumb_prologue): Use arm_strip_name_encoding().
2780 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2782 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2783 of sequence point problems.
2785 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2787 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2789 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2791 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2793 * sbitmap.h: Whitespace changes and use upper-case macro args.
2794 (struct simple_bitmap_def): All sizes now unsigned.
2795 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2796 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2797 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2798 (sbitmap_zero): Cast bzero arg to PTR.
2799 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2800 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2801 loop to make structure clearer.
2802 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2803 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2804 (sbitmap_a_and_b_or_c): Likewise.
2805 (sbitmap_intersection_of_succs): Minor cleanups.
2806 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2807 (sbitmap_union_of_preds): Likewise.
2808 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2809 (debug_sbitmap): New function.
2811 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2812 * c-typeck.c (convert_for_assignment): Likewise.
2814 * expmed.c (init_expmed): Don't free objects we make.
2815 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2817 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2818 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2820 * gcse.c (expr_hash_table_size): Now unsigned.
2821 (compute_ae_gen): Local variable `i' now unsigned.
2822 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2823 (compute_transout, hoist_code): Likewise.
2824 (compute_local_properties): Likewise, also hash_table_size.
2825 (alloc_expr_hash_table): N_INSNS now unsigned.
2826 (delete_null_pointer_checks): Mark arg F as unused.
2828 * regrename.c: Minor cleanups, including chang some variables
2831 2000-04-10 Neil Booth <NeilB@earthling.net>
2833 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2835 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2837 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2839 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2840 __classof__, and __headof__ from the list of gnu keywords.
2841 (-ansi): Remove -foperator-names from list of implied options.
2842 Do not call it ANSI C++.
2843 (-foperator-names): Document as -fno-operator-names.
2845 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2847 * cpphash.c (timestamp): Delete.
2848 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2849 (special_symbol): Remove unnecessary braces. Remove
2850 T_VERSION. Treat T_STDC like T_CONST unless
2851 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2852 when one is encountered, then convert them into T_MCONST
2854 * cppinit.c (builtin_array): version_string is T_MCONST.
2855 __STDC__ has a "1" in its cpval. Don't have a terminator
2856 entry. Clean up which entries are dumped.
2857 (initialize_builtins): Only __STDC__ gets the special
2858 -traditional treatment. Count the length of builtin_array.
2859 Render version_string here.
2860 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2861 * cpplib.h (struct cpp_reader): Remove timebuf.
2863 2000-04-09 Richard Henderson <rth@cygnus.com>
2865 * genrecog.c (pred): Update comparison_operator for the unordered
2868 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2870 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2871 (uno_comparison_operator): New.
2872 (put_condition_code): Handle UNORDERED/ORDERED.
2873 (unsigned_comparison): Likewise.
2874 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2875 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2876 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2877 update all callers. Handle all 8 unordered operators.
2878 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2879 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2880 * config/i386/i386.h (PREDICATE_CODES): Update.
2881 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2882 (ix86_expand_branch, ix86_expand_setcc): Update.
2883 * config/i386/i386.md (sunordered, sordered): New.
2884 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2885 (bunordered, bordered): New.
2886 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2887 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2888 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2890 2000-04-09 Philip Blundell <philb@gnu.org>
2892 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2894 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2896 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2897 fix_truncxfhi2): New patterns.
2898 * i386.c (output_fix_trunc): Handle converting to HImode.
2900 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2902 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2904 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2905 (for_each_successor_phi): Change parameter to basic_block.
2906 (coalesce_regs_in_successor_phi_nodes): Likewise.
2907 (coalesce_regs_in_copies): Likewise.
2908 (compute_coalesced_reg_partition): Use basic_block instead of index.
2909 * rtl.h (convert_to_ssa): Delete.
2910 (convert_from_ssa): Likewise.
2911 (successor_phi_fn): Likewise.
2912 (for_each_successor_phi): Likewise.
2913 (in_ssa_form): Likewise.
2914 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2915 (convert_from_ssa): Likewise.
2916 (successor_phi_fn): Likewise.
2917 (in_ssa_form): Likewise.
2918 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2919 * flow.c (calculate_global_regs_live): Pass a basic_block to
2920 for_each_successor_phi.
2922 2000-04-08 Richard Henderson <rth@cygnus.com>
2924 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2925 was modified in the current insn.
2927 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2929 * arm/thumb.md: Delete.
2930 * arm/thumb-protos.h: Delete.
2932 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2934 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2936 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2938 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2941 * arm.md (nop): Use the standard RTL expression. Don't code as a
2943 (*arm_nop, *thumb_nop): Delete.
2945 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2946 constants. Use casts instead.
2947 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2948 output_multi_immediate, arm_poke_function_name): Likewise.
2949 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2950 MASK_RETURN_ADDDR): Likewise.
2952 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2954 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2957 * arm.md (eh_epilogue): New function.
2958 * arm.h (struct machine_function): Move to here ...
2959 * arm.c: ... from here.
2960 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2961 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2962 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2964 2000-03-30 Nick Clifton <nickc@cygnus.com>
2966 * config/arm/semi.h (ASM_SPEC): Restore definition.
2967 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2969 * config/arm/elf.h (ASM_SPEC): Restore definition.
2970 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2972 * config/arm/arm.h (ASM_SPEC): Remove definition.
2973 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2975 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2977 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2979 2000-03-24 Nick Clifton <nickc@cygnus.com>
2981 Various formating tidyups, elimination of compile time
2982 warnings and synchronisation with internal sources:
2984 * config/arm/arm-protos.h (assemble_align): Add prototype.
2985 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2986 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2987 (arm_return_addr_rtx): Rename to arm_return_addr.
2989 * config/arm/arm.c: Include except.h.
2990 Define shorter typenames for strict minipool_node and struct
2992 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2994 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2995 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2997 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2999 (ASM_SPEC): Define if not already defined.
3000 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
3002 * config/arm/arm.md: Rename references to gen_rotated_half_load to
3003 arm_gen_rotated_half_load, and references to gen_comapre_reg to
3004 arm_gen_compare_reg.
3005 (indirect_jump): Only accept register operands.
3006 (load_indirect_jump): Keep this pattern since combine can generate
3009 * config/arm/coff.h: Include aout.h.
3010 (MULTILIB_DEFAULTS): Only define if not already defined.
3012 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
3013 into arm.h (so that COFF ports can support thumb based aliases).
3014 (ASM_SPEC): Move definition into arm.h
3016 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
3017 redundant apcs spec.
3018 (ASM_SPEC): Move definition to arm.h
3020 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
3022 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
3023 for entries in the .bss section
3025 2000-03-23 Nick Clifton <nickc@cygnus.com>
3027 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
3028 to thumb_far_jump_used_p.
3030 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
3031 single integer parameter.
3033 * config/arm/arm.c (struct machine_function): Add two new
3034 fields, 'far_jump_used' and 'arg_pointer_live'.
3035 (thumb_far_jump_used_p): Once the decision has been made that
3036 far jumps might be used, always return true.
3037 If being called from the initial elimination offset macro then
3038 do not bother to perform the test if the arg pointer is not
3040 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
3041 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
3043 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
3045 * arm.c (output_return_instruction): Handle more cases where we can
3046 return from a function with an ldr instruction.
3047 (arm_output_epilogue): Likewise.
3049 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
3050 if we need to push a large stack frame and there are no callee-saved
3053 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
3054 in ARM code if the frame pointer has been eliminated.
3056 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
3057 unspec_volatile arguments to avoid duplicates.
3058 (consttable_1, consttable_2): Fixes for big-endian mode.
3060 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
3063 Re-write constant pool code.
3064 * arm.c (minipool_node, minipool_fix): New types.
3065 (minifix): Delete type.
3066 (arm_add_minipool_constant): Delete.
3067 (arm_compute_minipool_offsets, arm_find_barrier,
3068 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
3069 (get_jump_table_size): Now returns HOST_WIDE_INT.
3070 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
3072 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
3073 (assign_minipool_offsets, arm_print_value): Likewise.
3074 (dump_minipool): Rewrite.
3075 (arm_barrier_cost): New function.
3076 (create_fix_barrier): New function.
3077 (push_minipool_barrier): New function.
3078 (push_minipool_fix): Record additional information about the fixup
3080 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
3081 check the mode of what needs fixing.
3082 (arm_reorg): Rewrite.
3084 2000-03-08 Nick Clifton <nickc@cygnus.com>
3086 * config/arm/arm.md (indirect_jump): Force constant addresses into
3089 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
3091 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
3093 2000-02-24 Nick Clifton <nickc@cygnus.com>
3095 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
3096 adjust is word aligned.
3097 (thumb_expand_epilogue): Make sure that stack adjust is word
3100 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
3102 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
3104 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
3105 pointer relative addresses.
3107 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
3109 * arm.c (find_barrier): Find the last barrier within the allowed
3112 2000-02-09 Nick Clifton <nickc@cygnus.com>
3114 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
3116 2000-02-09 Nick Clifton <nickc@cygnus.com>
3118 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
3119 ARM_FUNCTION_PROFILER.
3121 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
3122 ARM_FUNCTION_PROFILER.
3124 * config/arm/linux-oldld.h: Imported from mainline sources.
3126 2000-02-07 Nick Clifton <nickc@cygnus.com>
3128 * config/arm/lib1funcs.asm: Merge in thumb functions from
3131 * config/arm/lib1thumb.asm: Delete.
3133 2000-02-04 Nick Clifton <nickc@cygnus.com>
3135 * config/arm/arm.c: Sychronised with current Red hat local
3137 * config/arm/arm.h: Ditto.
3138 * config/arm/arm-protos.h: Ditto.
3140 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
3142 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
3144 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
3147 2000-02-02 Nick Clifton <nickc@cygnus.com>
3149 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
3151 * config/arm/arm.md (epilogue): Fix rtl checking abort because
3152 (return) was emited using an emit_insn() call.
3154 2000-01-31 Nick Clifton <nickc@cygnus.com>
3156 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
3158 (thumb_exit): Move frame pointer back into hard frame pointer
3159 register if backtracing is being used.
3161 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
3163 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
3166 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
3168 * config/arm/arm.md (neg_pool_offset): Provide default for new
3170 (arm_movsi_insn): Add neg_pool_offset attribute.
3171 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
3172 rtx for the insn that starts the scan and an unsigned long for its
3173 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
3174 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
3175 instructions in *PINSERTED.
3176 (struct minipool_fixup): Add MIN_ADDRESS elt.
3177 (sort_fixups): Compute it.
3178 (arm_reorg): Changes to support inserting pools before the insn to be
3181 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
3183 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
3184 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
3185 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
3187 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
3189 * config/arm/semi.h (TARGET_VERSION): Do not define if already
3191 (TARGET_DEFAULT): Do not define if already defined.
3193 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
3195 * config/arm/arm.md (anddi3): Allow disjoint source operands.
3196 (iordi3): Allow disjoint source operands.
3197 (xordi3): Allow disjoint source operands.
3198 (negdi2): Permit construction for ARM and Thumb.
3199 (arm_negdi2): Renamed version of old negdi2 pattern.
3200 (thumb_negdi2): New pattern: Only permit non-overlapping
3201 source and destination.
3203 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
3205 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
3206 scratch low register so that it will not be deleted.
3208 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
3210 * config/arm/pe.h (ARM_PE): Define.
3212 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
3213 interfacearm attribute if this is a PE toolchain.
3214 (output_return_instruction): Do not emit anything if the function
3215 has the naked attribute set.
3216 (is_called_in_ARM_mode): If the function has the interfacearm
3217 attribute then return true.
3218 (thumb_expand_prologue): Do not generate a prologue for naked
3220 (thumb_expand_epilogue): Do not generate an epilogie for a naked
3222 (output_thumb_prologue): Do not bother if the function is naked.
3223 Strip PE encoding from function name before emitting.
3225 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3227 * arm.md (pic_load_addr): Fix constraints.
3229 * arm.md (casesi_insn): Fix mis-applied patch.
3231 * arm.md ("core" function unit): Add rules for single- and
3233 (All TARGET_THUMB patterns): Add "type" attribute information
3235 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3236 the following insn is a CALL.
3238 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3240 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3241 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3242 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3244 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3246 * config/arm/linux-gas.h: oops - this file was missed out when the
3247 branch was created...
3249 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3251 * thumb.c: Deleted. Move contents to ...
3253 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3255 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3258 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3259 declare a prototype for asm_output_align();
3261 * arm.c (thumb_condition_code): Delete.
3262 (arm_print_operand): Always use arm_condition_code array.
3264 * arm.c (thumb_return_addr_rtx): Delete.
3265 (arm_save_machine_status, arm_restore_machine_status): Delete.
3266 (arm_init_machine_status, arm_mark_machine_status): New functions.
3267 (arm_init_expanders): Update accordingly.
3268 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3269 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3270 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3272 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3274 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3276 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3279 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3281 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3282 stack backtrace structure.
3284 * config/arm/arm-protos.h: Add prototypes for functions defined in
3287 * config/arm/arm.c (arm_override_options): Fix selection of
3288 attributes of default processor.
3290 * config/arm/coff.h: Delete needless #include.
3292 * config/arm/pe.c: Delete unused code.
3294 * config/arm/pe.h (CPP_DEFINES): Delete
3295 (SUBTARGET_CPP_SPEC): Define.
3296 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3298 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3300 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3302 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3304 (CAN_DEBUG_WITHOUT_FP): Define.
3305 (FIXED_REGISTERS): Make r11 call-saved.
3306 (CALL_USED_REGISTERS): Likewise.
3307 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3308 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3309 frame-pointer is required.
3310 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3311 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3312 if the target normally needs a stack frame in non-leaf functions.
3313 (use_return_insn): Correct logic for determining when a return
3314 instruction can be used.
3315 (output_return_instruction): Handle the frame-pointer register as
3316 a normal register when not TARGET_APCS_FRAME.
3317 (arm_output_prologue): Likewise.
3318 (arm_output_epilogue): Likewise.
3319 (output_func_epilogue): Likewise.
3320 (arm_expand_prologue): Likewise.
3321 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3323 * arm.c (use_return_insn): No need to check floating point regs if
3325 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3326 the code of value stored in the minipool array.
3327 (arm_add_minipool_constant): Likewise.
3329 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3331 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3333 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3335 * tree.c (tree_expr_nonnegative_p): New function.
3337 * tree.h (tree_expr_nonnegative_p): Declare.
3339 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3340 elide some sign_compare warnings.
3341 (build_conditional_expr): Likewise.
3343 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3345 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3347 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3348 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3349 operand. Abort if a 387 operand has an unsupported size.
3351 2000-04-08 Neil Booth <NeilB@earthling.net>
3353 * cppexp.c (parse_charconst): Null does not end character
3355 * cppinit.c (ISTABLE): Null character handled as whitespace.
3356 * cpplex.c (null_warning): new function.
3357 (skip_string): Emit warning if nulls encountered.
3358 (_cpp_skip_hspace): Emit warning if nulls encountered.
3359 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3363 2000-04-07 Richard Henderson <rth@cygnus.com>
3365 * flow.c (loop_depth): Remove.
3366 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3367 (struct propagate_block_info): New.
3368 (life_analysis): Don't allocate reg_next_use.
3369 (propagate_block_delete_insn): Break out of propagate_block.
3370 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3371 (propagate_block_delete_libcall): Likewise.
3372 (propagate_block): Create a propagate_block_info struct to pass
3373 to subroutines. Allocate one not two temporary regsets. Don't
3374 clobber memory for const calls. Look for clobbers in
3375 CALL_INSN_FUNCTION_USAGE.
3376 (mark_set_regs): Recognize COND_EXEC.
3377 (mark_set_reg): Break out of mark_set_1.
3378 (mark_used_reg): Break out of mark_used_regs.
3379 (mark_used_regs): Recognize COND_EXEC.
3380 (insn_dead_p): Use propagate_block_info struct.
3381 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3382 (find_auto_inc, try_pre_increment_1): Likewise.
3383 (print_rtl_with_bb): Dump regs live at end too.
3384 (count_reg_sets_1): Pass in loop_depth.
3385 (count_reg_sets, count_reg_references): Likewise.
3386 (recompute_reg_usage): Provide it.
3388 2000-04-07 Richard Henderson <rth@cygnus.com>
3390 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3393 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3395 * cpplib.c (do_elif): Skip the rest of the line if we're
3396 not going to bother evaluating it.
3397 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3398 to avoid pointless calls to the lexer.
3400 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3402 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3404 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3406 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3408 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3410 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3412 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3414 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3415 crtend so they can be multilibbed.
3416 (STAGESTUFF): Remove s-crt and s-crtS.
3418 2000-04-07 Richard Henderson <rth@cygnus.com>
3420 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3421 if we discover we need a pseudo and no_new_pseudos is true.
3422 * config/alpha/alpha.md (ne:DI insn): New.
3423 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3425 2000-04-07 Richard Henderson <rth@cygnus.com>
3427 * rtl.def (COND_EXEC): New.
3428 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3429 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3431 * genconfig.c (have_cond_arith_flag): Remove.
3432 (have_cond_exec_flag): New.
3433 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3434 (main): Print HAVE_conditional_execution.
3436 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3437 (sched_analyze_insn, print_pattern): Likewise.
3438 * reload.c (find_equiv_reg): Likewise.
3439 * rtlanal.c (reg_referenced_p): Likewise.
3440 (note_stores, dead_or_set_regno_p): Likewise.
3441 (reg_overlap_mentioned_p): Rewrite to use a switch.
3443 * ggc.h (struct rtx_def): Forward declare.
3445 * print-rtl.c (debug_rtx_range): New.
3446 * rtl.h (debug_rtx_range): Declare.
3448 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3450 * gcse.c (gcse_main): Don't rebuild the CFG here.
3451 (delete_null_pointer_checks): Likewise.
3452 * ssa.c (convert_to_ssa): Likewise.
3453 * toplev.c (rest_of_compilation): Do it here instead. Combine
3454 sequential calls to TIMEVAR. Consistently use `insns' instead of
3455 `get_insns()'. Always split insns after reload when optimizing.
3457 * basic-block.h (merge_blocks_nomove): Declare.
3458 (tidy_fallthru_edge): Declare.
3459 * flow.c (merge_blocks_nomove): Document as merging into previous
3460 blocks. Remove cruft from between blocks; remove all edges out of A.
3461 (tidy_fallthru_edge): Export.
3463 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3465 * ssa.c (compute_conservative_reg_partition): Declare with
3467 * toplev.c (clean_dump_file): Remove previously-deleted function
3468 inadvertantly merged back in.
3469 * conflict.c (conflict_graph_add): Use a single call to
3470 htab_find_slot to look up and insert.
3472 2000-04-06 Richard Henderson <rth@cygnus.com>
3474 * genrecog.c (*): Rename _last_insn to last_insn.
3475 (make_insn_sequence): Set the position of the peephole2 C test
3476 to be at the last insn.
3478 2000-04-06 Richard Henderson <rth@cygnus.com>
3480 * flow.c (compute_flow_dominators): Free worklist.
3482 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3484 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3486 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3488 * rtl.h (INSN_P): New macro.
3489 (successor_phi_fn): New typedef.
3490 (for_each_successor_phi): New prototype.
3491 (in_ssa_form): New variable.
3492 (PHI_NODE_P): Likewise.
3493 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3494 phi nodes in successors.
3495 (mark_used_regs): Add PHI case.
3496 (set_phi_alternative_reg): New function.
3497 (life_analysis): Assert that dead code elimination is not selected
3499 * toplev.c (to_ssa_time): New variable.
3500 (from_ssa_time): Likewise.
3501 (compile_file): Zero to_ssa_time and from_ssa_time.
3502 Print time to convert to and from SSA.
3503 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3504 (print_time): Compute percent fraction as integer.
3505 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3506 (convert_to_ssa): Check if we're already in SSA.
3507 Don't eliminate dead code in life_analysis.
3508 Rerun flow and life analysis at bottom.
3509 (eliminate_phi): Use canonical regnos when adding nodes.
3510 (mark_reg_in_phi): New function.
3511 (mark_phi_and_copy_regs): Likewise.
3512 (convert_from_ssa): Rerun life analysis at top.
3513 Use coalesced partition.
3514 Check for removing a phi node at the end of the block.
3515 (compute_coalesced_reg_partition): New function.
3516 (coalesce_regs_in_copies): Likewise.
3517 (coalesce_reg_in_phi): Likewise.
3518 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3519 (for_each_successor_phi): Likewise.
3520 (rename_context): New struct.
3521 (rename_block): Use a rename_context with rename_insn_1. When
3522 renaming sets of a subreg, emit a copy of the entire reg first.
3523 (rename_insn_1): Treat data as a rename_context *. Save current
3525 (rename_set_data): Add field set_insn.
3526 * Makefile.in (HASHTAB_H): Move up in file.
3527 (OBSTACK_H): New macro.
3528 (collect2.o): Use OBSTACK_H in dependencies.
3529 (sdbout.o): Likewise.
3530 (emit-rtl.o): Likewise.
3531 (simplify-rtx.o): Likewise.
3532 (fix-header.o): Likewise.
3533 (OBJS): Add conflict.o.
3534 (conflict.o): New rule.
3535 * basic-block.h: Include partition.h.
3536 (conflict_graph): New typedef.
3537 (conflict_graph_enum_fn): Likewise.
3538 (conflict_graph_new): New prototype.
3539 (conflict_graph_delete): Likewise.
3540 (conflict_graph_add): Likewise.
3541 (conflict_graph_conflict_p): Likewise.
3542 (conflict_graph_enum): Likewise.
3543 (conflict_graph_merge_regs): Likewise.
3544 (conflict_graph_print): Likewise.
3545 (conflict_graph_compute): Likewise.
3546 * conflict.c: New file.
3548 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3550 * tlink.c (read_repo_files): Don't look for .rpo info for
3553 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3555 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3557 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3559 * config/sh/lib1funcs.asm (___udivsi3_i4):
3560 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3561 only depends on FMOVD_WORKS.
3563 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3565 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3566 make double constant 8-byte aligned.
3568 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3570 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3571 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3572 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3573 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3574 Accept storing GENERAL_REGS into offsetable memory.
3575 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3576 building a TFmode constant other than 0.0L into GENERAL_REGS.
3578 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3580 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3582 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3584 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3585 (macro_cleanup): No need to cast pbuf->macro.
3586 (collect_expansion): Use _cpp_get_define_token. Goto done if
3587 it returns VSPACE. Remove check for trailing space after
3589 (_cpp_create_definition): Don't diddle flags here. Return
3591 (unsafe_chars): Handle c1 being EOF.
3592 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3593 checks. Don't push the buffer till after we're done with
3595 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3596 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3597 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3599 (_cpp_parse_assertion): Don't NUL terminate.
3600 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3601 hspace before calling _cpp_parse_assertion. Remove all sets
3602 of only_seen_white. Treat '\f' as hspace. Don't do anything
3603 special with '\n' here.
3604 (maybe_macroexpand): Handle T_EMPTY hash entries without
3605 pushing a buffer at all.
3606 (cpp_get_token): Handle clearing only_seen_white here. Handle
3607 incrementing the line number here. Clear
3608 potential_control_macro as well as only_seen_white, if
3610 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3611 (_cpp_get_define_token): New function, basically like
3612 _cpp_get_directive_token was but doesn't eat horizontal space.
3613 Don't do anything with only_seen_white here.
3614 (_cpp_get_directive_token): Just call _cpp_get_define_token
3615 repeatedly till it returns non-hspace.
3617 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3618 (conditional_skip, skip_if_group): Return int.
3619 (DIRECTIVE_TABLE): Change origin of all conditional directives
3621 (TRAD_DIRECT_P): New macro.
3622 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3623 an error for a bogus directive, unless -lang-asm. Use
3624 TRAD_DIRECT_P. Loop calling handler functions till one returns
3626 (get_macro_name): Don't diddle flags here.
3627 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3628 Create T_EMPTY nodes for #define macro /* nothing */.
3629 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3630 Use hp->name when calling pass_thru_directive.
3631 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3632 Return the result of conditional_skip and/or skip_if_group.
3633 Don't call _cpp_output_line_command.
3634 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3635 Issue -Wtraditional warnings as appropriate. Don't complain
3636 about unrecognized directives. If we are to stop skipping,
3637 return the number of the directive that ended the skip.
3638 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3639 expansion and line commands while skipping. Return the result
3640 of consider_directive_while_skipping, if nonzero.
3641 (do_endif): Just set potential_control_macro here.
3642 (validate_else): Use _cpp_get_directive_token.
3643 (do_assert, do_unassert): Don't save pointers into the
3644 token_buffer across calls to the lexer. Use
3645 _cpp_get_directive_token.
3647 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3648 pointer, not an offset. Replace 'data', which was a generic
3649 pointer, with 'macro', which points to a struct hashnode.
3650 (cpp_reader): Add 'potential_control_macro' pointer.
3651 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3652 (CPP_BUF_GET, CPP_FORWARD): Delete.
3653 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3654 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3655 ACTIVE_MARK_P): Update.
3656 (_cpp_get_define_token): New internal function.
3657 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3659 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3661 * configure.in: And here.
3662 * configure: Regenerate.
3663 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3664 --enable-libstdcxx-v3 is passed at configure time.
3665 * config.h.in: Regenerate.
3667 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3669 * final.c (final): Use xcalloc to allocate line_note_exists.
3670 * function.c (free_after_compilation): Free the temp_slots.
3671 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3672 (combine_temp_slot): Free temp_slots when they get combined.
3673 (purge_addressof): Fix typo in comment.
3674 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3675 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3677 * ggc.h: Include varray.h.
3678 (ggc_pending_trees): Declare.
3679 (ggc_mark_tree_children): Remove declaration.
3680 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3681 * ggc-common.c (ggc_pending_trees): New variable.
3682 (ggc_mark_roots): Call ggc_mark_trees.
3683 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3684 the ggc_pending_trees.
3685 * Makefile.in (GGC_H): New variable. Use it throughout in place
3688 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3690 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3693 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3695 * sh.c (sh_insn_length_adjustment): New function.
3696 * sh-protos.h (sh_insn_length_adjustment): Declare.
3697 * sh.h (ADJUST_INSN_LENGTH): Use it.
3699 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3701 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3702 from the insn where REG_RETVAL is added.
3703 (emit_no_conflict_block): Ditto.
3705 * md.texi (Standard Names): Clarify when movX is needed.
3707 * combine.c (simplify_comparison) [MINUS]: Do not replace
3708 all (op (minus A B) 0) with (op A B).
3710 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3711 J"orn Rennecke <amylaar@cygnus.co.uk>
3713 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3714 (block_lump_real): Likewise.
3716 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3718 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3719 remaining non-zero debugging masks.
3721 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3723 * basic-block.h (verify_flow_info): Declare.
3724 (flow_loop_outside_edge_p): Declare.
3725 * flow.c (verify_flow_info): Remove declaration.
3726 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3728 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3730 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3733 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3735 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3736 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3737 seqdi_zero_trunc+1): Allow splits only if registers are
3740 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3742 * acconfig.h: Add HAVE_GAS_HIDDEN.
3743 * config.in: Regenerated.
3744 * configure.in: Add test for .hidden pseudo-op in gas.
3745 * configure: Regenerated.
3746 * crtstuff.c: Include auto-host.h.
3747 Emit additional .hidden pseudo-op for __dso_handle if the
3748 assembler knows about it.
3750 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3752 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3753 before freeing argnames.
3754 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3756 2000-04-05 Michael Meissner <meissner@redhat.com>
3758 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3759 Walton <jonboy@gordian.com> to make memory references with update
3760 work wtih -mregnames.
3762 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3764 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3765 (regrename_optimize): Rename variables `def_uses' and
3766 `ext_basic_blocks' to avoid conflicts with similarly named
3767 typedefs in traditional C.
3769 * calls.c (initialize_argument_information): Fix typo in previous
3772 2000-04-04 Richard Henderson <rth@cygnus.com>
3774 * regrename.c (consider_available): Test fixed_regs not
3775 PIC_OFFSET_TABLE_REGNUM.
3777 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3779 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3781 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3782 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3783 (ENDFILE_LINUX_SPEC): Always use crtend.
3784 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3785 (powerpc-*-linux-gnu): Likewise.
3786 * configure: Regenerate.
3788 * config/rs6000/eabi.h: Don't include sysv4.h.
3789 (MULTILIB_DEFAULTS): Don't define.
3790 * config/rs6000/eabiaix.h: Don't include eabi.h.
3791 * config/rs6000/eabile.h: Delete.
3792 * config/rs6000/eabilesim.h: Delete.
3793 * config/rs6000/eabisim.h: Don't include eabi.h.
3794 * config/rs6000/linux.h: Don't include sysv4.h.
3795 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3796 (MULTILIB_DEFAULTS): Don't redefine.
3797 * config/rs6000/rtems.h: Don't include eabi.h.
3798 * config/rs6000/sol2.h: Don't include sysv4le.h.
3799 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3800 * config/rs6000/t-ppc: Delete.
3801 * config/rs6000/t-ppcgas: Correct comment.
3802 * config/rs6000/t-ppcos: Correct comment. Don't build
3803 multilibs for -fPIC, rather use -fPIC -mstrict-align
3805 * config/rs6000/t-ppc: Delete.
3806 * config/rs6000/vxppc.h: Don't include sysv4.h.
3807 * config/rs6000/vxppcle.h: Delete.
3808 * configure.in: Use multiple header files for p2pc ELF targets
3809 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3810 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3811 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3812 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3813 always available for these platforms.
3815 2000-04-04 Richard Henderson <rth@cygnus.com>
3817 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3819 2000-04-04 Stan Cox <scox@cygnus.com>
3821 * Makefile.in: Add rules for regrename.o
3822 * regrename.c: New file.
3823 * rtl.h (regrename_optimize): Add prototype.
3824 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3825 (compile_file, decode_d_option): Add support for -frename-registers.
3826 (rest_of_compilation): Call regrename_optimize.
3827 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3830 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3832 * Makefile (gccbug): New target.
3833 (doc): Depend on it.
3834 * gcc.texi (Bugs): Link subnodes.
3836 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3837 Document severities, priorities, and classes in bug form.
3839 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3841 * cpplex.c (trigraph_map, speccase): Combine into single
3843 (NORMAL, NONTRI): New macros.
3844 (_cpp_read_and_prescan): Change to use unified table. Use
3845 is_hspace to test for whitespace.
3847 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3848 definition that doesn't provoke the "empty body in an
3849 if-statement" warning.
3851 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3853 * builtins.c (expand_builtin_strlen): Force the source to
3854 be a memory address.
3856 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3858 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3860 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3862 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3863 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3864 (ECF_IS_CONST): Rename to ECF_CONST.
3865 (special_function_p): Make static, change interface.
3866 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3867 (expand_call) ... here; convert number of variables to flags.
3868 (emit_library_call_vlue_1): Likewise.
3869 (setjmp_call_p): New function.
3870 (initialize_argument_information): Accepts flags as argument;
3872 (precompute_arguments): Likewise.
3873 * tree.h (special_function_p): Remove.
3874 (setjmp_call_p): Add prototype.
3876 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3878 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3879 so that addresses are offsetable by up to 16 bytes.
3880 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3881 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3884 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3885 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3886 (movsf): Don't force any constant to memory if target is integer
3888 Move fp_zero_operand check below the const0_rtx check.
3889 (movtf): Likewise. Also allow fp_zero_operand for stores into
3891 (movdf): Likewise. Also allow fp_zero_operand for stores into
3892 memory and into integer hard registers.
3893 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3894 movdf_const_intreg_sp64): Remove.
3895 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3897 (movdf_no_e_insn_v9_sp32): New pattern.
3898 (movdf_insn_v9only): Remove.
3899 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3900 (movdf_insn_sp64): Remove.
3901 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3902 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3903 (following splits): Rewrite conditions. Add two new splits
3904 for storing 0.0 into memory and registers.
3905 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3906 (movtf_insn_sp32): Redo constraints and conditions.
3907 (movtf_insn_vis_sp32): New pattern.
3908 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3909 (movtf_insn_hq_sp64): Likewise.
3910 (movtf_insn_hq_vis_sp64): New pattern.
3911 (movtf_insn_sp64): Redo constraints and conditions.
3912 (movtf_insn_vis_sp64): New pattern.
3913 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3914 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3916 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3917 -mvis or -m64 to take down the number of various reload patterns.
3919 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3921 * pa/pa-64.h: New file.
3922 * pa/pa64-regs.h: New file.
3923 * pa/pa64-start.h: New file.
3924 * pa/t-pa64: New file.
3925 * pa/xm-pa64hpux.h: New file.
3927 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3929 * sparc.c (output_restore_regs): Prototype.
3930 (sparc_emit_float_lib_cmp): Constification.
3932 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3934 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3937 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3938 (get_value_hash, hash_rtx): Likewise.
3940 * ssa.c (compute_conservative_reg_partition): Prototype.
3942 * tree.c (mark_hash_entry): Prototype.
3944 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3946 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3947 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3948 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3950 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3951 * objc/lang-specs.h: Likewise.
3953 2000-04-03 Neil Booth <NeilB@earthling.net>
3955 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3956 and SYNTAX_ERROR2. Replace `' in messages with ''.
3957 (op_to_str): Make re-entrant.
3958 (_cpp_parse_expr): Implement new error macros. Use | rather
3959 than || to logically or 2 boolean integers. Simply expression
3960 checking we have a left operand iff needed.
3962 2000-04-03 Nick Clifton <nickc@cygnus.com>
3964 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3966 2000-04-03 Philip Blundell <philb@gnu.org>
3968 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3970 2000-04-03 Felix Lee <flee@cygnus.com>
3972 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3973 (run_shell): Use it.
3975 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3977 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3978 (stmp-fixproto): ...rather than here.
3980 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3982 * pa.c (print_operand): Compute 'base' only inside the code paths
3985 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3987 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3990 2000-04-03 Philipp Thomas <pthomas@suse.de>
3992 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3994 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3996 * Makefile.in (alias.o): Depend on $(TREE_H).
3998 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
4000 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
4002 * cpplib.c (_cpp_handle_directive): Improve warnings for
4003 traditional C and indented directives.
4005 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
4006 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
4007 fixinc/inclhack.def: Indent the # of #include_next one space.
4008 * cp/rtti.c: Un-indent #if and #endif.
4010 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
4011 syntax error, but an error has already been printed.
4012 * cpplex.c (_cpp_parse_assertion): Give a more specific error
4013 message when called with nothing remaining on the line.
4014 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
4015 OTHER token, not an ASSERTION.
4016 * cpplib.c (do_assert): When we create a 'base' node, clear
4017 its aschain pointer.
4019 2000-04-02 Neil Booth <NeilB@earthling.net>
4021 * cppexp.c: New typedef op_t. struct operation and struct
4022 token updated to use it.
4023 (op_to_str): New function.
4024 (_cpp_parse_expr): Error messages modified to use op_to_str.
4026 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4028 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
4029 before checking MUST_PASS_IN_STACK.
4031 2000-04-02 Neil Booth <NeilB@earthling.net>
4033 * cppexp.c: New FINISHED dummy token. Combine operator initial
4034 flags and initial priority into a single constant. New
4035 EQUALITY macro. New operator flag SHORT_CIRCUIT.
4036 (_parse_cpp_expr): Implement new constants. Take left operand
4037 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
4038 parse indicated by reducing FINISHED token. Remove new lines
4039 from cpp_error messages.
4041 2000-04-01 Mark Mitchell <mark@codesourcery.com>
4043 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
4046 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
4048 * cpplib.c: Include symcat.h. Add 'origin' field to struct
4049 directive. Add origin values to DIRECTIVE_TABLE. Generate
4050 the strings and function names on the fly. Take the #sccs
4051 entry out of the table if SCCS_DIRECTIVE is not defined.
4052 (_cpp_handle_directive): Decide if the # was at the beginning
4053 of the line here. Issue -pedantic warnings for extended
4054 directives here. Warn about K+R directives with the #
4055 indented, and C89/extended directives with the # not indented,
4057 (do_import, do_include_next, do_warning, do_ident, do_sccs,
4058 do_assert, do_unassert): Don't issue pedantic warning here.
4060 * cpphash.h: Add CPP_WTRADITIONAL macro.
4061 * cpplib.h (struct cpp_options): Rename warn_stringify to
4062 warn_traditional; update comments.
4063 * cppinit.c (handle_option): Set warn_traditional not
4065 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
4066 CPP_WTRADITIONAL (pfile).
4067 * cpplex.c (_cpp_lex_token): Don't decide if directives should
4068 be ignored in -traditional mode here.
4070 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
4071 to initialize speccase[] and trigraph_map[]. Delete all
4072 references to pfile->input_speccase. Always treat '?' as a
4073 special character. Remove table-initialization code from
4074 _cpp_init_input_buffer.
4076 * cpplib.h (struct cpp_reader): Remove input_speccase field.
4077 * cppinit.c (cpp_cleanup): Don't free input_speccase.
4079 2000-04-01 Richard Henderson <rth@cygnus.com>
4081 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
4082 (mostlyclean): Likewise.
4084 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
4085 (struct dump_file_info, enum dump_file_index, dump_file): New.
4086 (open_dump_file): Take a dump_file_index not a suffix, and a decl
4087 not a string. Clean out file if we havn't yet done so. Do nothing
4088 if the dump isn't enabled.
4089 (close_dump_file): Do nothing if the dump isn't open. Dump
4090 graph data if requested.
4091 (dump_rtl, clean_dump_file): Remove.
4092 (compile_file): Don't clean the dump files. Only finalize .bp dump
4093 if flag_test_coverage or flag_branch_probabilities. Only finalize
4094 .combine dump if optimizing. Iterate over dump_file to finalize the
4096 (rest_of_compilation): Update for open_dump_file/close_dump_file.
4097 Convert all uses of dump_rtl.
4098 (decode_d_option): Iterate over dump_file to implement 'a' and to
4099 locate pass-specific dumps.
4101 2000-04-01 Neil Booth <NeilB@earthling.net>
4103 * cppexp.c: Redefine priority constants.
4104 (_cpp_parse_expr): Replace left and right priority scheme with
4105 single priority logic. Move LOGICAL to same place as COMPARE.
4106 Remove bogus check for multiple unary +/- operators.
4108 2000-04-01 Neil Booth <NeilB@earthling.net>
4110 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
4111 within the switch statement. Binary operations break out of
4112 the switch naturally. '(' tokens handled by forcing
4113 immediate shift. ')' handled by forcing immediate reduce to
4114 the previous '('. New error messages.
4116 2000-03-31 Geoff Keating <geoffk@cygnus.com>
4118 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
4119 part', it's already in use. Use %K instead. Add a return at the
4120 end of what is now %K.
4121 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
4123 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4125 * builtins.c (expand_builtin_apply): Pass proper parameters to
4126 allocate_dynamic_stack_space.
4127 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
4128 update stack_pointer_delta; do not update arg_size_so_far.
4129 (compute_argument_block_size): Use stack_delta instead of
4130 stack_pointer_pending and arg_size_so_far.
4131 (expand_call): Add sanity checking for stack_pointer_delta;
4132 save and restore stack_pointer_delta for SIB, use
4133 stack_pointer_delta for alignment; do not update arg_space_so_far.
4134 (emit_library_call_value): Use stack_pointer_delta for alignment.
4135 (store_one_arg): Do not update arg_space_so_far.
4136 * explow.c (adjust_stack, anti_adjust_stack): Update
4137 stack_pointer_delta.
4138 (allocate_dynamic_stack_space): Add sanity checking for
4139 stack_pointer_delta.
4140 * expr.c (init_expr, clear_pending_stack_adjust): Clear
4141 stack_pointer_delta.
4142 (emit_push_insn): Update stack_pointer_delta.
4143 * function.h (struct expr_status): Add x_stack_pointer_delta;
4144 remove x_arg_space_so_far.
4145 (arg_space_so_far): Remove.
4146 (stack_pointer_delta): New macro.
4148 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
4150 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
4151 Reorder struct cpp_options and struct cpp_reader for better
4152 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
4153 takes two args. Change all 'char' flags to 'unsigned char'.
4154 Move show_column flag into struct cpp_options. Don't
4155 prototype cpp_options_init.
4156 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
4157 cppinit.c, cpplex.c, cpplib.c:
4158 Replace CPP_OPTIONS (pfile)->whatever with
4159 CPP_OPTION (pfile, whatever), and likewise for
4160 opts = CPP_OPTIONS (pfile); ... opts->whatever;
4162 * cppinit.c (merge_include_chains): Take a cpp_reader *.
4163 Extract CPP_OPTION (pfile, pending) and work with that
4165 (cpp_options_init): Delete.
4166 (cpp_reader_init): Turn on on-by-default options here.
4167 Allocate the pending structure here.
4168 (cl_options, enum opt_code): Define these from the same table,
4169 kept in a large macro. Add -fshow-column and -fno-show-column
4172 * cpperror.c (v_message): If show_column is off, don't print
4175 * cppmain.c: Update for new interface.
4176 * fix-header.c: Likewise.
4178 2000-03-30 Geoff Keating <geoffk@cygnus.com>
4180 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
4182 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
4183 are passed to any invocation of AR_FOR_TARGET.
4184 (AR_CREATE_FOR_TARGET): New macro.
4185 (AR_EXTRACT_FOR_TARGET): New macro.
4186 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
4187 AR_EXTRACT_FOR_TARGET.
4188 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
4189 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
4190 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
4191 AR_EXTRACT_FOR_TARGET to sub-makes.
4193 2000-03-31 Neil Booth <NeilB@earthling.net>
4195 * cppexp.c: Delete SKIP_OPERAND. Correct priority
4197 (_cpp_parse_expr): Check for multiple unary +/- operators.
4198 Correct priorities of ':' and '?'. Treat ')' as having a
4199 value. Ensure conditional expression is not void.
4201 2000-03-31 Mark Mitchell <mark@codesourcery.com>
4203 * alias.c (canon_rtx): Make it global.
4204 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
4206 * cse.c (struct table_elt): Add canon_exp.
4208 (invalidate): Canonicalize expressions only once.
4209 * rtl.h (canon_rtx): Declare.
4211 2000-03-30 Mark Mitchell <mark@codesourcery.com>
4213 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
4214 * alias.c (reg_known_value): Add comments.
4215 (init_alias_analysis): Likewise.
4216 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
4218 (cse_basic_block): Fix typo in comment.
4219 * emit-rtl.c: Include hashtab.h.
4220 (const_int_htab): New variable.
4221 (const_int_htab_hash): New function.
4222 (const_int_htab_eq): Likewise.
4223 (rtx_htab_mark_1): Likewise.
4224 (rtx_htab_mark): Likewise.
4225 (gen_rtx_CONST_INT): Cache all CONST_INTs.
4226 (unshare_all_rtx): Fix formatting.
4227 (init_emit_once): Initialize const_int_htab.
4228 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
4230 * rtl.texi: Document the fact that all CONST_INTs with the same
4233 2000-03-30 Richard Henderson <rth@cygnus.com>
4235 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4237 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4239 * configure.in: Comment out --enable-c-cpplib stanza.
4240 * configure: Regenerate.
4242 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4244 * expr.c (store_constructor): Properly compute displacement and
4245 alignment when offset is variable.
4247 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4248 cases of alignment in bytes.
4250 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4252 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4253 since it is used to generate c-parse.y.
4254 * objc-parse.c, objc-parse.y: Regenerated.
4256 * function.c (expand_function_end): Pass alignment argument to
4257 emit_block_move in bits, not bytes.
4259 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4261 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4264 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4266 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4267 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4268 * function.c (assign_parms): Likewise.
4269 * integrate.c (expand_inline_function): Likewise.
4270 * stmt.c (expand_decl): Likewise.
4271 (copy_rtx_and_substitute): Likewise.
4272 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4273 (clear_by_pieces): Fix error in last change.
4274 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4275 * function.h (regno_pointer_align): Now unsigned.
4276 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4278 * config/i386/i386.c (aligned_operand): Likewise.
4279 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4280 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4281 (unaligned_memory_operand): Likewise.
4282 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4283 Also make alignments and sizes unsigned and some whitespace cleanup.
4284 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4286 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4287 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4288 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4289 (expand_builtin_memset): Likewise, but to clear_storage.
4290 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4291 (restore_fixed_argument_area): Likewise.
4292 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4293 (load_register_parameters): Likewise, to emit_group_load.
4294 (expand_call): Likewise, to emit_group_store and emit_block_move.
4295 (emit_library_call_value_1): Likewise, to emit_block_move.
4296 (store_one_arg): Likewise, and to emit_push_insn.
4297 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4298 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4299 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4300 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4301 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4302 (expand_assigment, store_expr, store_constructor_field): Likewise.
4303 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4304 (store_constructor, store_field, get_inner_reference): Likewise.
4305 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4306 (expand_expr, case COMPONENT_REF): Likewise.
4307 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4308 and positions; reindent code.
4309 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4310 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4311 (assign_parms): Likewise to emit_group_store.
4312 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4313 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4314 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4315 (expand_return): Likewise to {extract,store}_bit_field.
4316 * stor-layout.c (get_mode_alignment): Minor cleanup.
4317 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4318 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4320 2000-03-29 Nick Clifton <nickc@cygnus.com>
4322 * config/arm/arm.h: Undo effects of previous delta:
4323 (ASM_SPEC): Do not define.
4324 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4326 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4329 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4331 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4332 only after reading in the primary source file.
4334 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4336 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4337 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4338 or a reference to a va_list.
4339 * builtins.c (stabilize_va_list): Simplify now we don't have to
4340 work around C array address decay.
4341 * c-typeck.c (convert_for_assignment): Handle assignment to
4342 a reference parameter by taking the address of the RHS.
4343 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4344 (va_copy): Likewise.
4345 (__va_copy): Likewise.
4346 * ginclude/varargs.h (va_start): Likewise.
4347 (__va_copy): Likewise.
4349 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4351 * i386/djgpp.h: Remove extraneous "+".
4353 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4355 * calls.c (expand_call): Fix typo in last change.
4357 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4359 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4362 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4364 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4365 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4366 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4367 * tree.c (bit_position, byte_position): Likewise.
4368 * tree.h: Declare new functions.
4370 2000-03-29 Nick Clifton <nickc@cygnus.com>
4372 * config/arm/arm.c: Minor formatting changes/
4373 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4375 (ASM_SPEC): Define if not already defined.
4377 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4379 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4382 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4384 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4385 value, don't output it as unsigned.
4387 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4389 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4391 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4393 * c-common.c (c_common_nodes_and_builtins): Don't special case
4394 cplus_mode when declaring builtin bzero/bcmp, always avoid
4395 prototype arguments.
4397 2000-03-29 Bruce Korb <bkorb@gnu.org>
4399 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4402 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4404 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4405 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4406 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4407 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4408 (save_fixed_argument_area, restore_fixed_argument_area):
4409 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4410 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4411 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4412 (precompute_register_parameters): Avoid #ifdefs on
4413 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4414 (stire_one_args): Likewise.
4415 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4416 (emit_library_call_value_1): Likewise.
4417 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4418 ACCUMULATE_OUTGOING_ARGS.
4419 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4421 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4422 (use_crosses_set_p): Likewise.
4423 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4424 #define ACCUMULATE_OUTGOING_ARGS 1.
4425 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4427 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4429 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4430 (TARGET_SWITCHES): Add push-args, no-push-args,
4431 accumulate-outgoing-args and no-accumulate-outgoing-args.
4432 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4433 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4434 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4436 (emit_push_insn): Likewise.
4437 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4438 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4439 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4440 (STACK_DYNAMIC_OFFSET): Define correctly for both
4441 ACCUMULATE_OUTGOING_ARGS and normal mode.
4442 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4443 * tm.texi (PUSH_ARGS): Document.
4444 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4446 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4448 * flags.h (flag_optimize_sibling_calls): Declare.
4449 * calls.c (expand_call): Fail sibcall when
4450 !flag_optimize_sibling_calls
4451 * invoke.texi (flag_optimize_sibling_calls): Document.
4452 * toplev.c (flag_optimize_sibling_calls): New global variable.
4453 (f_options): Add flag_optimize_sibling_calls.
4454 (rest_of_compilation): Conditionize
4455 optimize_sibling_and_tail_recursive_calls by
4456 flag_optimize_sibling_calls.
4457 (main): Set flag_optimize_sibling_calls for -O2.
4458 * stmt.c (expand_return): Conditionize tail recursion by
4459 flag_optimize_sibling_calls.
4461 2000-03-29 Richard Henderson <rth@cygnus.com>
4463 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4464 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4466 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4468 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4470 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4472 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4474 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4475 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4476 * config/rs6000/aix.h: then modified likewise.
4478 2000-03-28 Richard Henderson <rth@cygnus.com>
4480 * rtl.h: Redistribute enum reg_note documentation.
4481 Kill trailing whitespace.
4482 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4483 Kill trailing whitespace.
4485 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4487 * cppfiles.c (hash_IHASH): Just return i->hash.
4488 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4489 htab_find_with_hash.
4490 (cpp_read_file): Likewise.
4491 (find_include_file): Likewise. Properly initialize
4492 ih->nshort. Share ih->name and ih->nshort if possible.
4493 * cpphash.c (_cpp_calc_hash): New function.
4494 (hash_HASHNODE): Just return h->hash.
4495 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4496 htab_find_with_hash.
4497 * cpphash.h: Prototype _cpp_calc_hash.
4498 * cppinit.c (initialize_builtins): Provide a valid hash
4499 to _cpp_make_hashnode, using _cpp_calc_hash.
4501 * cpphash.c (collect_expansion): # is not a special character
4502 in object-like macros. In -traditional mode, /**/ is not
4503 token paste at the beginning or end of the line.
4504 * cpplib.c (do_include, do_import, do_include_next): If
4505 parse_include fails, return immediately.
4507 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4509 * config/arm/arm.md (return peepholes): Update to reflect the new
4511 * config/arm/arm.c (arm_volatile_func): Also check
4512 current_function_nothrow.
4513 (output_return_instruction, output_func_prologue): Use it.
4514 (arm_output_epilogue, arm_expand_prologue): Likewise.
4516 2000-03-27 Tom Tromey <tromey@cygnus.com>
4518 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4521 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4523 * expr.c (store_constructor): SIZE now signed.
4524 For EXPR_SIZE, don't evaluate size; just needed if constant.
4525 * fold-const.c (fold): Fix a number of cases when folded tree is
4527 * function.c (flush_addressof): Reenable.
4528 * tree.h (flush_addressof): Likewise.
4529 * toplev.c (independent_decode_option): Look at strings_processed.
4530 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4532 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4534 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4535 Allow stack adjustment after function call.
4537 * regmove.c (struct csa_memlist): Make mem field rtx *.
4538 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4539 (try_apply_stack_adjustment): Replace whole MEM rtx.
4540 (combine_stack_adjustments_for_block): Update calls
4541 to record_one_stack_ref.
4543 2000-03-28 Neil Booth <NeilB@earthling.net>
4545 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4546 '\\' rather than a null character, so nulls are not special. Fix
4547 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4548 speed trigraph conversion.
4549 (_cpp_init_input_buffer): Initialize trigraph map.
4551 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4553 * config/i386/i386.c (output_387_binary_op): Correct intel
4554 mode assembly output, and add spaces after commas in AT&T
4555 output. Correct Unixware assembler comment. Document input
4556 constraints. Comment fp operations. Reduce profligate buffer
4557 size. Remove extraneous abort. Localize temp var.
4558 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4559 (output_fix_trunc): Add spaces after commas in assembly output.
4561 2000-03-27 Richard Henderson <rth@cygnus.com>
4563 * i386-protos.h (ix86_match_ccmode): Declare.
4564 * i386.c (ix86_match_ccmode): New.
4565 (ix86_expand_fp_compare): Update for pattern renames.
4566 (ix86_expand_strlensi_unroll_1): Likewise.
4567 * i386.h (EXTRA_CC_MODES): Add CCZ.
4568 (SELECT_CC_MODE): Use it for EQ/NE zero.
4569 * i386.md (cmpsi_ccz_1): New.
4571 (*testsi_ccz_1): New.
4572 (testqi_ccz_1): New.
4573 (cmpsi_ccno_1): Rename from cmpsi_0.
4574 (testsi_ccno_1): Rename from testsi_1.
4575 (testqi_ccno_1): Rename from testqi_1.
4576 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4577 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4578 (*cmphi_0): Use ix86_match_ccmode.
4579 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4580 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4581 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4582 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4583 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4584 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4585 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4586 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4587 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4588 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4589 (appropriate peepholes): Likewise.
4590 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4591 (*subsi_3, *subhi_3, *subqi_3): Remove.
4592 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4593 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4594 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4595 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4596 (x86_shift_adj_1): Use CCZ.
4597 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4599 2000-03-27 Stan Cox <scox@cygnus.com>
4601 * resource.h (mark_resource_type): New.
4602 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4603 find_free_register): Use mark_resource_type.
4604 (mark_set_resources): Change include_delayed_effects
4605 to mark_resource_type.
4606 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4607 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4608 Use mark_resource_type.
4610 2000-03-27 Richard Henderson <rth@cygnus.com>
4612 * i386.md (call_pop_0, call_value_pop_0): New.
4613 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4614 (call_value_pop_1): Likewise.
4615 (call_0, call_value_0): New.
4616 (call_1, call_value_1): Remove constraint from unused arg.
4618 2000-03-27 Nick Clifton <nickc@cygnus.com>
4620 * invoke.texi (Spec Files): Document new spec % command created by
4621 Tom Tromey's recent patch.
4623 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4625 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4628 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4630 * expr.c (expand_assignment): Fix typo in last change.
4632 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4634 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4636 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4637 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4638 and DECL_INLINE if FUNCTION_DECL.
4639 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4640 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4641 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4642 (combine_parm_decls): Likewise.
4643 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4644 * print-tree.c (print_node): Likewise.
4645 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4646 DECL_TRANSPARENT_UNION on proper decl types.
4647 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4648 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4649 DECL_BIT_FIELD of FIELD_DECL.
4650 * tree.h (DECL_RESULT_FLD): New macro.
4652 * expr.c (expand_assignment): Add code to handle variable-sized
4655 2000-03-26 Richard Henderson <rth@cygnus.com>
4657 * calls.c (expand_call): Pass parms not original exp to
4658 optimize_tail_recursion. Mind return value instead of looking
4660 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4661 call_expr. Move checks for call_expr and current_function_decl ...
4662 (expand_return): ... here.
4664 2000-03-26 Tom Tromey <tromey@cygnus.com>
4666 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4667 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4669 (process_command): Use them.
4670 (check_live_switch): Likewise.
4671 (give_switch): Skip ignored switches.
4673 2000-03-26 Jan Hubicka <jh@suse.cz>
4675 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4676 for minimal jump pass test.
4678 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4680 * integrate.c (function_cannot_inline_p): Do inline functions that
4683 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4685 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4686 now a list of TREE_LIST entries, not types.
4687 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4689 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4690 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4692 * config/mips/mips.c (function_arg): Likewise; also remove cast
4693 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4694 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4695 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4696 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4697 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4698 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4699 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4700 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4701 num_adjusts now unsigned.
4702 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4703 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4705 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4706 as is BITPOS variable; use host_integerp and int_bit_position.
4707 (function_arg_record_value_2): Likewise.
4708 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4709 Variable REGNO now unsigned.
4710 (function_arg_record_value): NREGS now unsigned.
4712 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4714 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4716 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4718 * Rework fields used to describe positions of bitfields and
4719 modify sizes to be unsigned and use HOST_WIDE_INT.
4720 * alias.c (reg_known_value_size): Now unsigned.
4721 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4722 (really_start_incremental_init): Use bitsize_zero_node.
4723 (push_init_level, pop_init_level, output_init_element): Likewise.
4724 Use bitsize_unit_node and bitsize_one_node.
4725 (output_pending_init_elements, process_init_element): Likewise.
4726 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4727 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4728 HOST_WIDE_INT, respectively.
4729 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4730 (num_sign_bit_copies): Returns unsigned.
4731 BITWIDTH now unsigned; rework arithmetic.
4732 Remove recursive call from arg to MAX.
4733 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4734 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4736 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4737 (find_split_point, expand_compound_operation, make_extraction): LEN
4738 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4739 (make_field_assignment): Likewise.
4740 (combine_simplify_rtx): Add cast.
4741 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4742 (force_to_mode): WIDTH now unsigned; add cast.
4743 (if_then_else_cond): SIZE now unsigned.
4744 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4745 (extended_count): Now returns unsigned.
4746 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4747 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4748 (simplify_comparison): MODE_WIDTH now unsigned.
4749 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4750 (mark_used_regs_combine): Likewise; rework arithmetic.
4751 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4752 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4753 (record_promoted_value): REGNO now unsigned.
4754 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4755 (get_last_value): REGNO now unsigned.
4756 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4757 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4758 (remove_death): Arg REGNO now unsigned.
4759 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4760 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4762 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4763 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4764 (struct cse_reg_info): REGNO now unsigned.
4765 (cached_regno): Now unsigned.
4766 (REGNO_QTY_VALID_P): Add cast.
4767 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4768 (remove_invalid_regs): Likewise.
4769 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4770 as are variables END and I.
4771 (get_cse_reg_info, insert): Likewise.
4772 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4773 (canon_hash): Likewise.
4774 (insert_regs, lookup_for_remove): REGNO now unsigned.
4775 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4777 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4778 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4779 * emit-rtl.c (subreg_realpart_p): Add cast.
4780 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4781 (operand_subword_force): Arg I is now unsigned.
4782 * except.c (eh_regs): Variable I is now unsigned.
4783 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4784 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4785 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4786 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4787 (extract_split_bit_field, store_bit_field, extract_bit_field):
4789 * expr.c (store_constructor_fields, store_constructor, store_field):
4790 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4791 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4792 (do_jump): Likewise.
4793 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4794 MAX_SIZE is now unsigned.
4795 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4796 (emit_group_store): Likewise.
4797 (emit_move_insn): I now unsigned.
4798 (store_constructor): Use host_integerp, tree_low_cst, and
4800 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4801 Rework all calculations to use trees and new fields.
4802 * expr.h (promoted_input_arg): Regno now unsigned.
4803 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4804 (mark_seen_cases): Arg is HOST_WIDE_INT.
4805 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4806 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4807 precisions and alignments are unsigned.
4808 (optimize_bit_field_compare, fold_truthop): Likewise.
4809 (int_const_binop): Adjust threshold for size_int_type_wide call.
4810 (fold_convert): Likewise.
4811 (size_int_type_wide): Make table larger and fix thinko that only
4812 had half of table used.
4813 (all_ones_mask_p, fold): Precisions are unsigned.
4814 * function.c (put_reg_info_stack): REGNO is unsigned.
4815 (instantiate_decl): Size is HOST_WIDE_INT.
4816 (instantiate_virtual_regs): I is unsigned.
4817 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4818 (promoted_input_arg): REGNO is unsigned.
4819 * function.h (struct function): x_max_parm_reg is now unsigned.
4820 * gcse.c (max_gcse_regno): Now unsigned.
4821 (struct null_pointer_info): min_reg and max_reg now unsigned.
4822 (lookup_set, next_set): REGNO arg now unsigned.
4823 (compute_hash_table): REGNO and I now unsigned.
4824 (handle_avail_expr): regnum_for_replacing now unsigned.
4825 (cprop_insn): REGNO now unsigned.
4826 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4827 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4828 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4829 * hard-reg-set.h (reg_class_size): Now unsigned.
4830 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4831 * jump.c (mark_modified_reg): I now unsigned; add cast.
4832 (rtx_equal_for_thread_p): Add cast.
4833 * loop.c (max_reg_before_loop): Now unsigned.
4834 (struct_movable): REGNO now unsigned.
4835 (try_copy_prop): REGNO arg unsigned.
4836 (regs_match_p): XN and YN now unsigned.
4837 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4838 (strength_reduce): Likewise; NREGS also unsigned.
4839 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4840 * loop.h (struct iv_class): REGNO now unsigned.
4841 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4843 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4844 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4845 * optabs.c (expand_binop): I and NWORDS now unsigned.
4846 (expand_unop): I now unsigned.
4847 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4848 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4849 * real.c (significand_size): Now returns unsigned.
4850 * real.h (significand_size): Likewise.
4851 * regclass.c (reg_class_size): Now unsigned.
4852 (choose_hard_reg_mode): Both operands now unsigned.
4853 (record_reg_classes): REGNO and NR now unsigned.
4854 (reg_scan): NREGS now unsigned.
4855 (reg_scan_update): old_max_regno now unsigned.
4856 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4857 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4858 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4859 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4860 Likewise for variable R.
4861 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4862 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4863 (find_equiv_reg): Add casts.
4864 (regno_clobbered_p): Arg REGNO now unsigned.
4865 * reload.h (struct reload): NREGS now unsigned.
4866 (refers_to_regno_for_reload_p): Regno args are unsigned.
4867 (regno_clobbered_p): Likewise.
4868 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4869 (compute_use_by_pseudos): REGNO now unsigned.
4870 (find_reg): I and J now unsigned, new variable K, and change loop
4871 variables accordingly; THIS_NREGS now unsigned.
4872 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4873 (spill_hard_reg): REGNO arg now unsigned; add casts.
4874 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4875 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4876 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4877 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4878 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4879 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4880 (emit_reload_insns): REGNO now unsigned.
4881 (reload_cse_move2add): Add cast.
4882 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4884 * resource.c (mark_referenced_resources, mark_set_resources): New
4885 variable R; REGNO and LAST_REGNO now unsigned.
4886 (mark_target_live_regs): J and REGNO now unsigned.
4887 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4888 * rtl.h (union rtunion_def): New field rtuint.
4889 (XCUINT): New macro.
4890 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4891 (operand_subword, operand_subword_force): Word number is unsigned.
4892 (choose_hard_reg_mode): Operands are unsigned.
4893 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4894 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4895 (regno_use_in, combine_instructions, remove_death): Likewise.
4896 (reg_scan, reg_scan_update): Likewise.
4897 (extended_count): Return is unsigned.
4898 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4899 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4900 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4901 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4902 (reg_reg_last_1): FIRS and LAST now unsigned.
4903 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4904 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4906 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4907 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4908 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4909 (replace_regs): Arg NREGS now unsigned.
4910 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4911 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4912 (simplify_binary_operation): Likewise.
4913 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4914 THIS_LAST now unsigned.
4915 (cselib_record_set): Add cast.
4916 * ssa.c (ssa_max_reg_num): Now unsigned.
4917 (rename_block): REGNO now unsigned.
4918 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4920 (all_cases_count): Just return -1 not -2.
4921 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4922 Rework tests to use trees whenever possible.
4923 Use host_integerp and tree_low_cst.
4924 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4925 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4926 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4927 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4928 (smallest_mode_for_size): Likewise.
4929 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4930 KNOWN_ALIGN is now an alignment, so simplify code.
4931 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4932 (start_record_layout): Renamed from new_record_layout_info.
4933 Update to new fields.
4934 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4936 (place_union_field): Renamed from layout_union_field.
4937 Update to use new fields in rli.
4938 (place_field): Renamed from layout_field.
4939 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4940 (finalize_record_size): Rework to use new fields in rli and handle
4942 (compute_record_mode): Rework to simplify and to use new DECL fields.
4943 (finalize_type_size): Make rounding more consistent.
4944 (finish_union_layout): Deleted.
4945 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4946 (layout_type, case RECORD_TYPE): Call new function names.
4947 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4948 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4949 (get_best_mode): UNIT is now unsigned; remove casts.
4950 * tree.c (bit_position): Compute from new fields.
4951 (byte_position, int_byte_position): New functions.
4952 (print_type_hash_statistics): Cast to remove warning.
4953 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4954 (build_index_type): Likewise; make subtype of sizetype.
4955 (build_index_2_type): Pass sizetype to build_range_type.
4956 (build_common_tree_nodes): Use size_int and bitsize_int to
4957 initialize nodes; add bitsize_{zero,one,unit}_node.
4958 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4959 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4960 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4961 (DECL_FIELD_BITPOS): Deleted.
4962 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4963 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4964 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4965 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4966 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4967 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4968 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4969 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4970 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4971 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4972 (DECL_ALIGN): Adjust to new field in union.
4973 (DECL_OFFSET_ALIGN): New field.
4974 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4975 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4976 (union tree_decl): Add struct for both aligns.
4977 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4978 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4979 (struct record_layout_info): Rework fields to have offset
4980 alignment and byte and bit position.
4981 (start_record_layout, place_field): Renamed from old names.
4982 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4983 (byte_position, int_byte_position): Likewise.
4984 (get_inner_reference): Change types of position and length.
4985 * unroll.c (unroll_loop): New variable R; use for some loops.
4986 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4987 (calculate_giv_inc): Arg REGNO now unsigned.
4988 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4989 * varasm.c (assemble_variable): Clean up handling of size using
4990 host_integerp and tree_low_cst.
4991 (decode_addr_const): Use byte, not bit, position.
4992 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4993 use tree_low_cst and int_bit_position.
4994 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4996 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4998 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4999 (reorder_block_def): New members eff_head and eff_end.
5000 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
5001 (verify_insn_chain): New function.
5002 (skip_insns_between_block): Add code to skip deleted insns.
5003 Check for note before using.
5004 (chain_reorder_blocks): Replace calls to skip_insns_between_block
5005 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
5006 Check for note before using.
5007 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
5008 (fixup_reorder_chain): Restructure, clean up, defect removal.
5009 (reorder_basic_blocks): Remove last_insn and references to it.
5010 Moved insn chain verification code into a new function (see above).
5011 Delete defective code that sets last insn.
5012 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
5015 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5017 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
5019 2000-03-24 Richard Henderson <rth@cygnus.com>
5021 * tree.c (lang_safe_for_unsave): Remove.
5022 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
5023 allowing for two levels of unsafeness. Remove lang hook.
5024 * tree.h: Update declarations.
5025 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
5026 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
5027 Always fail sibcalls when there are pending cleanups.
5029 2000-03-24 Geoff Keating <geoffk@cygnus.com>
5031 * flow.c (propagate_block): When we delete an ADDR_VEC,
5032 also delete the BARRIER following it if there is one.
5034 2000-03-24 Richard Henderson <rth@cygnus.com>
5036 * builtins.c (expand_builtin_bzero): Convert `length' argument
5039 2000-03-24 Jakub Jelinek <jakub@redhat.com>
5041 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
5042 comparison if regno's are equal.
5043 * calls.c (initialize_argument_informat): Add ecf_flags argument.
5044 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5045 (expand_call): Update caller.
5046 Avoid making a sibling call if argument size of the callee is larger
5047 than argument size of the caller.
5048 Call hard_function_value with outgoing set if in sibcall pass.
5049 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5051 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
5052 Change LEAF_REGISTERS from an array initializer to actual array
5053 identifier. Move static global variable into the function.
5054 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
5055 sequences for leaf functions.
5056 * global.c (global_alloc): Likewise.
5057 * tm.texi (LEAF_REGISTERS): Update documentation.
5059 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
5060 TARGET_FLAT leaf disabling hack.
5061 (LEAF_REGISTERS): Changed from an array initializer to actual array
5062 identifier to avoid duplication and remove the above hack.
5063 (FUNCTION_OK_FOR_SIBCALL): Define.
5064 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
5065 always like call attribute.
5066 (eligible_for_sibcall_delay): New attribute.
5067 (sibcall): New delay type.
5068 (sibcall, sibcall_value, sibcall_epilogue): New expands.
5069 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
5070 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
5071 * config/sparc/sparc.c (sparc_leaf_regs): New array.
5072 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
5074 (output_function_epilogue): Move part of the code into
5075 output_restore_regs.
5076 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
5078 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
5081 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
5082 until infrastructure is finished.
5084 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
5086 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
5087 (save_parm_insns): Not here.
5089 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5091 * builtins.c (expand_builtin_bzero): New function.
5092 (expand_builtin): Handle bzero.
5094 * builtins.def: Add BUILT_IN_BZERO.
5096 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5097 prototype & function for bzero.
5099 2000-03-23 Michael Meissner <meissner@redhat.com>
5101 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
5102 change adding TARGET_FP to the TF floating point insns, except for
5103 trunctfsf2, which generates direct calls to truncdfsf2.
5105 2000-03-23 Geoff Keating <geoffk@cygnus.com>
5107 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
5108 try to protect against middle-end changes that break binary
5110 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
5112 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5114 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
5116 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5118 * calls.c (expand_call): If TARGET is passed by reference and
5119 is readonly, write a CLOBBER.
5121 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5123 * builtins.c (expand_builtin): Handle bcmp.
5125 * builtins.def: Add BUILT_IN_BCMP.
5127 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5128 prototype & function for bcmp.
5130 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
5132 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
5133 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
5134 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
5136 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
5138 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
5139 alternative when using -fp64 -gp32.
5141 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5143 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
5144 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
5145 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
5147 * frame.h (frame_state): Revert last change.
5148 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
5149 * libgcc2.c (throw_helper): Revert last change.
5151 2000-03-22 Richard Henderson <rth@cygnus.com>
5153 * stmt.c (expand_asm_operands): Don't promote the temporary.
5155 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5157 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
5158 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
5159 c_get_alias_set): Likewise.
5160 * c-decl.c (duplicate_decls): Likewise.
5161 * c-typeck.c (default_conversion,build_unary_op): Likewise.
5162 * calls.c (initialize_argument_information): Likewise.
5163 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
5165 * dwarfout.c (decl_class_context,output_type): Likewise.
5166 * expr.c (get_inner_reference): Likewise.
5167 * fold-const.c (simple_operand_p,fold): Likewise.
5168 * function.c (aggregate_value_p): Likewise.
5169 * stmt.c (expand_asm_operands): Likewise.
5170 * varasm.c (named_section): Likewise.
5172 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5174 Implement dwarf2 exception handling for the ARM.
5175 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
5176 (DWARF_FRAME_RETURN_COLUMN): Define.
5177 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
5178 REG_FRAME_RELATED_EXPR note.
5179 (emit_sfm): Likewise.
5180 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
5181 * dwarf2out.c (reg_save): Handle saving a register to itself.
5182 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
5183 * except.c (eh_regs): Don't use the static chain reg if it's
5185 * frame.h (frame_state): Add cfa_saved field.
5186 * frame.c (execute_cfa_insn): Set it.
5187 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
5189 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
5191 (instantiate_virtual_regs): Adjust.
5193 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5194 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5195 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
5197 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
5198 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
5200 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5202 * builtins.def: New file.
5204 * Makefile.in (TREE_H): Depend on builtins.def.
5206 * builtins.c (built_in_names): Use builtins.def.
5208 * tree.h (built_in_function): Likewise.
5210 2000-03-22 Mark Mitchell <mark@codesourcery.com>
5212 * tree.c (size_in_bytes): Return size_zero_node, not
5215 2000-03-22 Geoff Keating <geoffk@cygnus.com>
5217 * config/fp-bit.c (pack_d): Correct the case when a denormal
5218 is rounded up and stops being denormal.
5220 2000-03-21 Richard Henderson <rth@cygnus.com>
5222 * config/alpha/alpha.c (function_arg): Check for void_type_node
5223 before using MUST_PASS_IN_STACK.
5225 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
5227 * regmove.c (combine_stack_adjustments_for_block): Check that
5228 the stack pointer is a valid memory address.
5230 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
5232 * calls.c: re-install Mar 16 emit_library_call merge.
5234 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5236 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5237 we cannot be sure that if reload_completed base register will
5238 be properly aligned.
5240 2000-03-21 Richard Henderson <rth@cygnus.com>
5242 * flow.c (delete_block): Fix typo last change.
5244 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5246 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5247 not COMPLETE_TYPE_P, to check the type of the expression.
5249 2000-03-21 Michael Meissner <meissner@redhat.com>
5251 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5252 all floating point insns that just tested the macro
5253 TARGET_HAS_XFLOATING_LIBS.
5254 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5255 used to only use the gprs.
5257 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5259 * tree.h (COMPLETE_TYPE_P): New macro.
5260 (COMPLETE_OR_VOID_TYPE_P): New macro.
5261 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5262 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5263 * c-aux-info.c (gen_type): Use them.
5264 * c-common.c (c_expand_expr_stmt): Likewise.
5265 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5266 grokdeclarator, grokparms, finish_struct, start_function,
5267 store_parm_decls, combine_parm_decls): Likewise.
5268 * c-parse.y (cast_expr): Likewise.
5269 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5270 c_size_in_bytes, c_alignof, build_component_ref,
5271 build_indirect_ref, build_array_ref, convert_arguments,
5272 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5273 * calls.c (initialize_argument_information): Likewise.
5274 * convert.c (convert_to_integer): Likewise.
5275 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5276 * dwarfout.c (location_or_const_value_attribute,
5277 output_enumeration_type_die, output_structure_type_die,
5278 output_union_type_die, output_type): Likewise.
5279 * expr.c (safe_from_p, expand_expr): Likewise.
5280 * function.c (assign_parms): Likewise.
5281 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5282 * tree.c (build_array_type, build_function_type,
5283 build_method_type, build_offset_type, build_complex_type): Likewise.
5284 * c-parse.c, c-parse.h: Regenerated.
5286 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5288 * config/c4x/rtems.h: Include config/rtems.h.
5290 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5292 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5293 decl is a FUNCTION_DECL
5295 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5297 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5298 function uses output registers. Don't save RP for leaf functions.
5299 Do save RP even if no epilogue.
5300 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5301 (CALL_USED_REGISTERS): Unmark in registers.
5302 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5305 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5307 * config/rs6000/rs6000.md (bunordered): New expander.
5308 (bordered): New expander.
5309 (buneq): New expander.
5310 (bunge): New expander.
5311 (bungt): New expander.
5312 (bunle): New expander.
5313 (bunlt): New expander.
5314 (bltgt): New expander.
5316 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5317 (ccr_bit_negated_p): New function.
5318 (print_operand): For %C, generate appropriate cror for UNEQ,
5319 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5321 2000-03-20 Andreas Jaeger <aj@suse.de>
5323 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5326 * tree.h (safe_for_unsave): Prototype.
5328 2000-03-20 Richard Henderson <rth@cygnus.com>
5330 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5331 (combine_stack_adjustments_for_block): Don't allow sp references
5332 in the side of a set we're not fixing up.
5333 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5334 after life_analysis.
5336 2000-03-20 Richard Henderson <rth@cygnus.com>
5338 * calls.c (expand_call): Don't bother generating tail call
5339 sequences if there are pending cleanups. Use
5340 expand_start_target_temps/expand_end_target_temps to elide
5341 cleanups created during sibcall expansion.
5343 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5345 * configure.in: Set $IFS to a value if it doesn't already have one
5346 in the --enable-checking handling.
5347 * configure: Regenerate.
5349 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5351 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5352 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5355 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5357 * jump.c (delete_noop_moves): Remove code attempting to
5358 combine stack adjustments.
5360 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5362 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5363 * except.c (emit_cleanup_handler): Use them.
5364 (expand_end_all_catch): Likewise.
5365 * function.c (fixup_var_refs): Likewise.
5366 (expand_function_end): Clear catch_clauses_last.
5367 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5368 * except.h (struct eh_status): New field x_catch_clauses_last.
5369 (catch_clauses_last): New define.
5371 * Makefile.in (tree.o): Depend on HASHTAB_H.
5372 * tree.c: Include hashtab.h.
5373 (struct type_hash): Remove next field.
5374 (TYPE_HASH_SIZE): Remove.
5375 (TYPE_HASH_INITIAL_SIZE): New define.
5376 (type_hash_table): Change type to htab_t.
5377 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5378 mark_hash_entry): New functions.
5379 (init_obstacks): Allocate type hash.
5380 (type_hash_lookup): Use htab functions.
5381 (type_hash_add, mark_type_hash): Likewise.
5382 (dump_tree_statistics): Call print_type_hash_statistics.
5384 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5386 * rs6000/t-aix41: New file.
5388 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5390 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5392 * tm.texi (Driver): Fix typos and tweak entry for
5394 Move misplaced STRUCT_FORCE_BLK entry ...
5395 (Storage Layout): ... to here.
5396 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5398 2000-03-19 Richard Henderson <rth@cygnus.com>
5400 * flow.c (delete_block): Delete the addr_vec along with the block.
5401 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5404 * fold-const.c (extract_muldiv): Apply type check for defined
5405 overflow to multiply as well as divide.
5407 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5409 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5411 * emit-rtl.c (remove_unncessary_notes): Check that all
5412 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5413 associated NOTE_BLOCK.
5414 * function.h (identify_blocks): Update comments.
5415 (reorder_blocks): Declare.
5416 * function.c (identify_blocks): Don't take paramters.
5417 (reorder_blocks): Don't take parameters.
5418 * loop.h (find_loop_tree_blocks): Remove.
5419 (unroll_block_trees): Likewise.
5420 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5421 reorder_blocks instead of unroll_block_trees.h
5422 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5423 * stmt.c (find_loop_tree_blocks): Remove.
5424 (unroll_block_trees): Likewise.
5425 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5426 in whole-function mode.
5427 * tree.h (reorder_blocks): Remove declaration.
5429 * expr.c: Include intl.h.
5430 * Makefile.in (expr.o): Depend on intl.h.
5432 2000-03-18 Richard Henderson <rth@cygnus.com>
5434 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5436 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5438 * tree.h (tree_index): Remove enumerals for integer types.
5439 (integer_type_kind): New type.
5440 (integer_types): New variable.
5441 (char_type_node): Adjust.
5442 (signed_char_type_node): Likewise.
5443 (unsigned_char_type_node): Likewise.
5444 (short_integer_type_node): Likewise.
5445 (short_unsigned_type_node): Likewise.
5446 (integer_type_node): Likewise.
5447 (unsigned_type_node): Likewise.
5448 (long_integer_type_node): Likewise.
5449 (long_unsigned_type_node): Likewise.
5450 (long_long_integer_type_node): Likewise.
5451 (long_long_unsigned_type_node): Likewise.
5452 * tree.c (integer_types): New variable.
5453 (init_obstacks): Register it as a root.
5455 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5457 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5458 NEXT_INSN. Update last insn in chain.
5460 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5462 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5463 with TYPE_DECL_SUPPRESS_DEBUG set.
5465 2000-03-18 Richard Henderson <rth@cygnus.com>
5467 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5469 2000-03-18 Richard Henderson <rth@cygnus.com>
5471 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5472 care for HALF_PIC_P.
5473 (expander_call_insn_operand): Remove.
5474 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5475 * i386.h (PREDICATE_CODES): Update.
5476 * i386.md (all call expanders): Remove predicates, remove special
5477 handling for half-pic.
5478 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5479 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5480 (sibcall_epilogue): New.
5482 2000-03-17 Richard Henderson <rth@cygnus.com>
5484 * rtlanal.c (single_set): Reject if the parallel has anything
5485 except SET or USE or CLOBBER.
5487 2000-03-17 Jeff Law <law@cygnus.com>
5488 Richard Henderson <rth@cygnus.com>
5490 * Makefile.in (OBJS): Add sibcall.o.
5492 * sibcall.c: New file.
5493 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5494 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5495 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5496 Emit sibcall patterns when requested. Update all callers.
5497 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5498 elimination seems feasable.
5499 * final.c (leaf_function_p): Sibling calls don't discount being
5501 * flow.c (HAVE_sibcall_epilogue): Provide default.
5502 (find_basic_blocks_1): Sibling calls don't throw.
5503 (make_edges): Make edge from sibling call to EXIT.
5504 (propagate_block): Don't remove sibcall_epilogue insns.
5505 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5506 (sibcall_epilogue): New.
5507 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5508 (identify_blocks_1): Likewise. Break out from ...
5509 (identify_blocks): ... here.
5510 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5511 (reorder_blocks): ... here.
5512 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5513 (record_insns): Extend a varray instead of mallocing new memory.
5514 (contains): Read a varray not array of ints.
5515 (sibcall_epilogue_contains): New.
5516 (thread_prologue_and_epilogue_insns): Emit and record
5517 sibcall_epilogue patterns.
5518 (init_function_once): Allocate prologue/epilogue varrays.
5519 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5520 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5522 (save_for_inline_nocopy): ... here.
5523 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5525 (expand_inline_function): ... here.
5526 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5527 (subst_constants): Handle 'n' formats.
5528 * jump.c (jump_optimize_minimal): New.
5529 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5530 optimizations if it's set.
5531 * rtl.c (copy_rtx): Do copy jump & call for insns.
5532 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5533 (SIBLING_CALL_P): New.
5534 (sibcall_use_t): New.
5535 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5536 Invoke optimize_sibling_and_tail_recursive_calls.
5537 * tree.c (lang_safe_for_unsave): New.
5538 (safe_for_unsave): New.
5539 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5541 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5542 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5543 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5545 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5547 * objc/objc-act.c (encode_method_prototype): Pass types, not
5548 PARM_DECLs, to int_size_in_bytes.
5550 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5552 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5554 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5555 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5557 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5559 * Clean up usages of TREE_INT_CST_LOW.
5560 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5561 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5563 * c-tree.h (min_precision): Move declaration to here.
5564 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5565 (build_unary_op, add_pending_init): Use bit_position.
5566 (pending_init_member, process_init_element): Likewise.
5567 (really_start_incremental_init, push_init_level, pop_init_level):
5568 Don't make copies of nodes or modify them in place, use consistent
5569 types when tracking positions, and use tree routines computations.
5570 (set_init_index, output_init_element): Likewise.
5571 (output_pending_init_elements, process_init_element): Likewise.
5572 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5573 tree_low_cst and int_bit_position; also minor cleanup.
5574 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5575 (print_cst_octal): Precision is unsigned.
5576 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5577 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5578 (simple_type_align_in_bits): Result is unsigned int.
5579 Use tree_int_low_cst and host_integerp.
5580 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5581 (field_byte_offset): Result is HOST_WIDE_INT.
5582 Change types of internal variables so alignments are unsigned int,
5583 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5584 Use host_integerp, tree_low_cst, and int_bit_position.
5585 (add_bit_offset_attribute): Likewise.
5586 (add_data_member_location_attribute): Use tree_cst_low.
5587 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5588 (add_bit_size_attribute): Use tree_low_cst.
5589 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5590 * dwarfout.c: Similar changes to dwarf2out.c.
5591 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5592 * genoutput.c (n_occurences): Return -1 for null string.
5593 (strip_whitespace): Accept null string and make into function.
5594 (scan_operands): Reflect above changes.
5595 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5596 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5597 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5598 * tree.c (int_size_in_bytes): Check for too big to represent.
5599 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5600 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5602 (min_precision): Delete from here.
5603 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5604 and int_bit_position.
5605 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5606 (encode_method_def): Likewise.
5607 (build_ivar_list_initializer): Use int_bit_position.
5608 (generate_shared_structures): Convert size.
5609 (encode_type, encode_complete_bitfield): Use integer_zerop.
5610 (encode_bitfield): Use tree_low_cst and int_bit_position.
5612 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5614 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5616 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5618 * call.c (special_function_p): It is only malloc if it returns
5621 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5623 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5624 (C33_FLAG, TARGET_C3X): Add macros.
5625 (TARGET_SWITCHES): Add -m33 option.
5626 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5628 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5630 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5631 (PARALLEL_PACK_FLAG): Delete.
5632 (TARGET_SWITCHES): Update.
5633 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5635 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5637 * fold-const.c (fold): Fix a few cases when the returned result
5638 is not of the same type as the input.
5640 2000-03-16 Nick Clifton <nickc@cygnus.com>
5642 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5645 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5647 * libgcc2.h: Move prototypes above macros with the same name.
5648 Wrap some function prototypes in the conditional which indicates
5649 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5651 2000-03-16 Richard Henderson <rth@cygnus.com>
5653 * calls.c: Revert last two changes.
5655 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5657 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5658 has exponent 0 is a zero.
5660 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5661 HASH may already be nonzero. Add code/mode into hash value
5662 immediately after repeat label.
5663 (cselib_lookup): Don't leave the hash table in an inconsistent
5664 state before a hash lookup operation.
5666 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5668 * i386.md (all HI and QI mode non-move patterns): Conditionize
5669 by TARGET_[HQ]IMODE_MATH.
5670 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5671 x86_promote_qi_regs): Declare.
5672 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5673 TARGET_PROMOTE_QI_REGS): New macros.
5674 (PROMOTE_MODE): New macro.
5675 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5676 x86_promote_qi_regs): New global variables.
5678 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5680 * calls.c (emit_library_call_value_1): Break out from ...; handle
5681 VOIDmode function calls too.
5682 (emit_library_call_value): ... here.
5683 (emit_library_call): Implement by calling emit_library_call_value_1.
5685 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5687 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5688 Update arg_space_so_far on stack adjustments.
5689 (emit_library_call, emit_library_call_value): Likewise; take into
5690 account arg_space_so_far and pending_stack_adjust when calculcating
5693 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5695 * flow.c: Move all basic block reordering code into its own file.
5696 (create_basic_block): Externalize.
5697 * bb-reorder.c: New file. Copy all basic block reordering code from
5698 flow.c to this file.
5699 (reorder_basic_blocks): Fix fencepost error in for-loop.
5700 (reorder_basic_blocks): Remove braces from single statement for-loops.
5701 * basic-block.h: Add declaration for create_basic_block.
5702 * Makefile.in: Add rules for bb-reorder.o.
5704 2000-03-16 Neil Booth <NeilB@earthling.net>
5706 * cppinit.c (handle_option): Implement #unassert directive
5707 as -A- command line option.
5708 (print_help): Update.
5709 * cpptexi.c: Update.
5711 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5713 * md.texi (Standard Names): Document `jump'.
5715 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5717 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5720 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5722 Merge changes from newppc-branch onto trunk.
5724 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5726 * rs6000.c (toc_hash_table): Update for new hash table functions.
5727 (toc_hash_function): Likewise.
5728 (toc_hash_eq): Likewise.
5729 (toc_hash_mark_entry): Likewise.
5730 (toc_hash_mark_table): Likewise.
5731 (output_toc): Likewise.
5732 (rs6000_add_gc_roots): Likewise.
5734 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5736 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5737 (AR_FLAGS_FOR_TARGET): here. New macro.
5739 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5741 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5742 fpmem_operand) Delete.
5744 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5745 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5746 (rs6000_save_machine_status, rs6000_restore_machine_status,
5747 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5748 references to above variables.
5749 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5750 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5751 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5752 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5753 (XER_REGNO_P, XER_REGNO): New.
5754 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5755 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5756 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5758 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5759 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5760 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5762 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5764 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5765 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5766 * rs6000.h: from here.
5768 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5769 (rs6000_select_rtx_section): Likewise.
5770 (rs6000_encode_section_info): Likewise.
5771 (sdata_section): Likewise.
5772 (sdata2_section): Likewise.
5773 (sbss_section): Likewise.
5774 * sysv4.h (rs6000_select_section): Delete prototype.
5775 (rs6000_select_rtx_section): Likewise.
5776 (rs6000_encode_section_info): Likewise.
5777 (sdata_section): Likewise.
5778 (sdata2_section): Likewise.
5779 (sbss_section): Likewise.
5780 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5782 * sysv4.h: Delete various unnecessary #undef's and put a comment
5783 on the remaining ones.
5784 Change various comments according to coding standard.
5786 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5788 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5789 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5790 (CR0_REGNO_P) Remove.
5791 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5792 setup_incoming_varargs, mtcrf_operation, print_operand,
5793 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5794 Use the above macros.
5796 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5798 * config/rs6000/rs6000.md: Added a new alternative for each
5799 pattern that had a 'x' alternative but no 'y' alternative.
5800 Added a new split for each of the above patterns.
5802 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5804 * aix41.h (ASM_CPU_SPEC): Delete.
5805 (CPP_CPU_SPEC): Delete.
5807 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5808 (ASM_OUTPUT_LABEL): Define.
5809 (ASM_GLOBALIZE_LABEL): Define.
5810 (STRIP_NAME_ENCODING): Define.
5811 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5812 (STRIP_NAME_ENCODING): Don't define.
5813 (ASM_OUTPUT_LABEL): Don't define.
5814 (ASM_GLOBALIZE_LABEL): Don't define.
5815 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5816 names, and ASM_OUTPUT_LABEL to output labels, rather than
5818 (ASM_OUTPUT_LABEL): Define.
5819 (ASM_OUTPUT_INT): Use assemble_name.
5820 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5821 (STRIP_NAME_ENCODING): Don't undefine first.
5822 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5824 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5825 specified with 'asm' even with -fleading-underscore.
5826 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5827 (output_epilog): Likewise.
5828 (output_toc): Likewise.
5829 * tramp.asm: Handle -fleading-underscore correctly.
5831 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5833 (nonlocal_goto_receiver): Delete.
5834 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5836 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5837 (SET_ASM_OP): Define.
5838 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5840 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5843 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5844 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5846 * rs6000.h: Add 'u' to more constants.
5848 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5850 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5852 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5854 * rs6000.c (reg_or_u_cint_operand): New function.
5855 (logical_operand): Handle 64-bit hosts.
5856 (logical_u_operand): New function.
5857 (non_logical_cint_operand): Handle 64-bit hosts.
5858 (non_logical_u_cint_operand): New function.
5859 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5860 (PREDICATE_CODES): Define new functions.
5861 * rs6000-protos.h: Declare new functions.
5862 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5863 (movdi_64): Bracket code intended for 64-bit hosts. Create
5864 CONST_DOUBLE for 32-bit values.
5865 (scc insns): Generate DImode compares.
5866 (mfcr insns): Create DImode versions.
5867 (sge matchers): New patterns.
5869 2000-02-15 Gabriel Paubert <paubert@iram.es>
5871 * rs6000.md: Correct instructions length attributes and
5872 constraints on unsigned compare instructions.
5873 (*ne0): Disable for PowerPC64.
5875 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5877 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5878 quantity, fix profile1.C test failure under -fPIC.
5880 * rs6000.c: Add 'u' to many constants to suppress warnings.
5881 (constant_pool_expr_1): Make static.
5882 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5883 * rs6000.h: Add 'u' to many constants to suppress warnings.
5885 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5886 for the start of the TOC, instead of LCTOC..0.
5887 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5889 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5890 (load_toc_aix_di): Use LCTOC..1.
5892 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5893 * rs6000.c (rs6000_legitimize_address): New function from
5894 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5895 symbols in the constant pool that really are TOC references.
5896 (print_operand_address): For ELF, write TOC offsets under
5897 -fPIC as subtractions in the insn.
5898 (output_toc): For ELF, define symbols in TOC as normal labels,
5900 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5901 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5902 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5903 * rs6000.md (movsi): Only use create_TOC_reference on
5904 symbols in the constant pool that really are TOC references.
5906 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5907 * rs6000.c (rs6000_reorg): Delete.
5908 * rs6000-protos.h (rs6000_reorg): Delete.
5910 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5912 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5914 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5915 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5916 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5917 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5918 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5919 rs6000_aix_emit_builtin_unwind_init.
5920 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5921 rs6000_emit_eh_toc_restore on AIX.
5922 (return_eh_si): Use r2.
5923 (return_eh_di): Use r2.
5925 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5926 since we're breaking binary compatibility anyway.
5928 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5930 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5931 constant_pool_expr_p): Declare them.
5932 (constant_pool_expr_p): Declare it.
5933 * config/rs6000/rs6000.c (toc_label_name): Define.
5934 (rs6000_override_options): Set toc_label_name.
5935 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5936 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5937 uses_TOC): New functions.
5938 (print_operand): Delete old '*' case.
5939 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5940 and strip off rtl for TOC before calling output_addr_const.
5941 (rs6000_emit_load_toc_table): Use toc_label_name.
5942 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5944 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5945 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5946 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5947 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5948 into explicit TOC_REGISTER offsets.
5949 (TOC_REGISTER): New macro.
5950 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5951 TARGET_TOC to reference TOC_REGISTER.
5952 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5953 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5954 uses_TOC before emitting label references.
5956 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5958 * rs6000.md (stack_tie): Fix warning.
5960 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5961 to handle -fleading-underscore.
5962 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5963 (USER_LABEL_PREFIX): New macro.
5964 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5965 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5966 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5967 call-linux can use the same multilibs.
5968 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5969 and call-linux multilibs. Do multilib with -fleading-underscore.
5970 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5971 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5974 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5975 have MASK_SOFT_FLOAT set.
5976 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5977 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5978 CPP_FLOAT_DEFAULT_SPEC.
5980 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5981 * rs6000.md: Whitespace change.
5982 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5983 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5985 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5987 * rs6000.md (eh_epilogue): New expander.
5988 (eh_reg_restore): New expand/split/insn combination.
5989 (return_eh_si): New insn.
5990 (return_eh_di): New insn.
5992 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5993 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5994 * eabi-ctors.c (__do_global_ctors): Register this object's
5995 frame. Clean up. Call atexit() after the constructors.
5996 (__do_global_dtors): Deregister this object's frame. Clean up.
5997 Allow for recursive calls to exit().
5998 * rs6000.c (fixuplabelno): New variable.
5999 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
6000 TARGET_RELOCATABLE, it slows down exec() under linux.
6001 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
6003 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
6004 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
6005 (ASM_OUTPUT_DWARF_DELTA2): New macro.
6006 (ASM_OUTPUT_DWARF_DELTA4): New macro.
6007 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
6008 (ASM_OUTPUT_DWARF_ADDR): New macro.
6009 (ASM_OUTPUT_DWARF_DATA4): New macro.
6010 (ASM_OUTPUT_DWARF_DATA2): New macro.
6011 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
6012 (ASM_OUTPUT_DWARF_OFFSET): New macro.
6013 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
6015 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6017 * rs6000.c (rs6000_sr_alias_set): New variable.
6018 (rs6000_override_options): Initialise rs6000_sr_alias_set.
6019 (rs6000_emit_stack_tie): New function.
6020 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
6021 in a way that dwarf2out can understand.
6022 (rs6000_frame_related): New function.
6023 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
6024 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
6025 Use rs6000_emit_stack_tie when needed.
6026 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
6027 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
6028 * rs6000.md (stack_tie): New insn.
6029 (return_internal_si): Allow return value to be in the count
6031 (return_internal_di): Likewise.
6033 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
6035 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6037 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
6039 2000-01-31 Geoff Keating <geoffk@cygnus.com>
6041 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
6043 * rs6000.md (stmw): Use the right POWER opcode.
6046 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6048 * rs6000-protos.h: New file.
6050 * rs6000.c: Include tm_p.h. Fix compile time warnings.
6052 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
6055 * sysv4.h: Likewise.
6057 2000-01-28 Geoff Keating <geoffk@cygnus.com>
6059 * ../../configure.in: Delete powerpcle-*-winnt*
6060 and powerpcle-*-pe|powerpcle-*-cygwin*.
6061 * ../../configure: Regenerated.
6063 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
6064 (TARGET_WINDOWS_NT): Delete.
6066 (CALL_NT_DLLIMPORT): Delete.
6067 Delete NT-specific code.
6068 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
6071 * nt-ci.asm: Delete.
6072 * nt-cn.asm: Delete.
6073 * ntstack.asm: Delete.
6075 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6077 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
6078 (ASM_FILE_START): Likewise.
6079 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6080 (ASM_OUTPUT_LABELREF): Likewise.
6081 (ASM_OUTPUT_SKIP): Likewise.
6082 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6083 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6084 (ASM_OUTPUT_CASE_LABEL): Likewise.
6085 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6086 (ASM_OUTPUT_ASCII): Likewise.
6088 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
6090 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
6091 reload_toc_labelno for non-prologue TOC reloads. Also, don't
6092 increment rs6000_pic_labelno here.
6093 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
6094 and increment rs6000_pic_labelno here.
6096 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
6098 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
6099 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
6100 allocation knows (reg) is dead before the insn.
6102 2000-01-21 Geoff Keating <geoffk@cygnus.com>
6104 * rs6000.md (movsi_to_cr): Correct typo in output template.
6106 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6108 * rs6000.c (rs6000_pic_labelno): Always define.
6109 (rs6000_pic_func_labelno): Delete.
6110 (lmw_operation): Check for a zero base register,
6111 which doesn't mean what we want.
6112 (stmw_operation): New function.
6113 (print_operand): Define new 'l' modifier.
6114 (rs6000_stack_info): We must save all 64 bits of the registers
6115 if TARGET_POWERPC64.
6116 (rs6000_output_load_toc_table): Delete.
6117 (rs6000_emit_load_toc_table): New function.
6118 (rs6000_allocate_stack_space): Delete.
6119 (rs6000_emit_allocate_stack): New function.
6120 (rs6000_emit_prologue): New function.
6121 (output_prolog): Use rs6000_emit_prologue.
6122 (rs6000_emit_epilogue): Change a few variable names to be
6123 more accurate. Restore all 64 bits of the registers if
6124 TARGET_POWERPC64. Only restore the FP registers which were used
6125 if they are being saved/restored one-at-a-time.
6126 (output_mi_thunk): Delete inefficient code generation.
6127 (output_function_profiler): Don't use rs6000_output_load_toc_table.
6128 * rs6000.h: Declare rs6000_emit_load_toc_table,
6129 rs6000_allocate_stack_space, stmw_operation. Don't declare
6130 rs6000_output_load_toc_table.
6131 * rs6000.md (elf_high): Allow register 0, but discourage it
6133 (elf_low): Support loading into register 0.
6134 (load_toc_aix_si): New pattern.
6135 (load_toc_aix_di): New pattern.
6136 (load_toc_v4_pic_si): New pattern.
6137 (load_toc_v4_pic_di): New pattern.
6138 (load_toc_v4_PIC_1): New pattern.
6139 (load_toc_v4_PIC_1b): New pattern.
6140 (load_toc_v4_PIC_2): New pattern.
6141 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
6142 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
6143 (prologue): New expander.
6144 (movesi_from_cr): New pattern.
6145 (stmw): New pattern.
6146 (save_fpregs_si): New pattern.
6147 (save_fpregs_di): New pattern.
6149 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6151 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
6156 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6158 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
6160 (movsi_got_internal): Likewise.
6161 (movsi_got_internal+1): Likewise.
6162 (set_sp): 'unspec 7' does a SImode clobber.
6164 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6166 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
6167 allocate a stack temporary.
6168 (floatsidf2_internal): Likewise.
6169 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
6171 (floatunssidf2): Don't use the fpmem "register", just
6172 allocate a stack temporary.
6173 (floatunssidf2_internal): Likewise.
6174 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
6176 (floatsidf2_loadaddr): Delete.
6177 (floatsidf2_store1): Delete.
6178 (floatsidf2_store2): Delete.
6179 (floatsidf2_load): Delete.
6180 (fix_truncdfsi2): Don't use the fpmem "register", just
6181 allocate a stack temporary.
6182 (fix_truncdfsi2_internal_si): Delete.
6183 (fix_truncdfsi2_internal_di): Delete.
6184 (fix_truncdfsi2_internal): New insn.
6185 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
6186 (fix_truncdfsi2_store): Delete.
6187 (fix_truncdfsi2_load): Delete.
6188 (fctiwz): Produce gen_fctiwz.
6190 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6192 * eabi.h (INVOKE__main): Define.
6193 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
6195 (rs6000_emit_prologue): Likewise.
6196 * rs6000.h (struct rs6000_stack): Don't keep track of whether
6197 this is the main program.
6199 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6201 * rs6000.c (rs6000_va_arg): Delete some unused variables.
6203 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6205 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
6206 goes after the argument.
6208 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6210 * rs6000.md: Document 'unspec' values used.
6211 (epilogue): New expander.
6212 (movesi_to_cr_one): New expander.
6213 (movesi_to_cr and following): New pattern.
6215 (return_internal_si): New pattern.
6216 (return_internal_di): New pattern.
6217 (return_and_restore_fpregs_si): New pattern.
6218 (return_and_restore_fpregs_di): New pattern.
6219 * rs6000.h: Declare new functions.
6220 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
6221 rather than rs6000_calls_p.
6222 (rs6000_makes_calls): Delete.
6223 (lmw_operation): New function.
6224 (mtcrf_operation): New function.
6225 (rs6000_emit_epilogue): New function.
6226 (output_epilog): Call rs6000_emit_epilogue and final if
6227 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
6229 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6231 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
6232 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
6233 * aix.h (SUBTARGET_SWITCHES): Document switches.
6234 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
6235 sched-prolog and sched-epilog the same. Document all the
6237 (TARGET_OPTIONS): No longer allow -mdebug-.
6239 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6241 * rs6000.h (ASM_FILE_END): Move to aix.h.
6242 (EXTRA_SECTIONS): Move to aix.h.
6243 (READONLY_DATA_SECTION): Move to aix.h.
6244 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6245 (SELECT_SECTION): Move to aix.h.
6246 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6247 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6248 (LINK_REGISTER_REGNUM): New definition.
6249 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6250 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6252 * sysv4.h: Delete the code between the inclusion of rs6000.h
6254 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6255 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6256 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6257 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6258 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6259 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6260 (fix_truncdfsi2_internal_di): New pattern.
6261 (fix_truncdfsi2_store): The second arg here is Pmode too.
6262 (fix_truncdfsi2_load): The second arg here is Pmode too.
6263 (tablejumpdi): Now that switch tables hold only SImode values,
6264 gcc needs to know how to add them to the pc which is DImode.
6265 * rs6000.c (rs6000_stack_info): Use symbolic name for
6266 LINK_REGISTER_REGNUM.
6267 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6268 (output_toc): Delete unused variables s1 and s2.
6269 (output_ascii): Use fputs not fprintf on a variable string.
6271 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6273 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6274 * aix43.h: Revert Aug 2 change.
6275 (HAS_INIT_SECTION): Define, not visible yet.
6276 (LD_INIT_SWITCH): Define, not visible yet.
6277 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6279 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6281 * config/rs6000/rtems.h: Include config/rtems.h.
6283 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6285 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6286 (SLOW_UNALIGNED_ACCESS): Define.
6287 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6288 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6289 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6290 (toc_section): Likewise and .toc pseudo-op.
6291 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6293 (TEXT_SECTION_ASM_OP): Likewise.
6294 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6297 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6299 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6300 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6303 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6305 * rs6000.h: Move more stuff from here...
6307 * sysv4.h: Cleanup accordingly.
6308 * netware.h: Likewise
6310 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6312 * rs6000.h: Continue cleanup.
6315 * netware.h: Likewise.
6317 * sysv4.h: Likewise.
6318 * win-nt.h: Likewise.
6320 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6321 (TARGET_OPTIONS): Likewise.
6323 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6324 (SUBTARGET_OPTIONS): Likewise.
6326 * rs6000.md: Fix compile time warnings.
6328 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6330 vxworks patches from the Cygnus tree originally by
6331 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6332 <vmakarov@cygnus.com>.
6333 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6334 (ENDFILE_SPEC): Likewise.
6335 (LIB_VXWORKS_SPEC): New macro.
6336 (STARTFILE_VXWORKS_SPEC): New macro.
6337 (ENDFILE_VXWORKS_SPEC): New macro.
6338 (LINK_START_VXWORKS_SPEC): New macro.
6339 (LINK_OS_VXWORKS_SPEC): New macro.
6340 (CPP_OS_VXWORKS_SPEC): New macro.
6341 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6342 * vxppc.h: Rewrite to use proper configuration method.
6343 * vxppcle.h: New file.
6344 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6345 * ../../configure: Rebuilt.
6347 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6349 Lots of changes to rs6000.h, sysv4.h, aix.h,
6350 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6351 with the aim that rs6000.h is the first header
6352 included and the others override it.
6355 * x-aix41-gld: Remove.
6357 * x-aix41: Remove target-specific switches, and don't specify
6358 -Wl,-bbigtoc as we don't need it any more.
6359 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6360 Use t-aix43 for AIX 4.3 and above.
6361 * ../../configure: Regenerated.
6363 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6364 options, that don't do anything yet.
6365 (MASK_SCHED_PROLOG): New macro.
6366 (MASK_SCHED_EPILOG): New macro.
6367 (TARGET_SCHED_PROLOG): New macro.
6368 (TARGET_SCHED_EPILOG): New macro.
6370 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6372 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6373 one per translation unit, not one per function.
6374 (output_toc): Also do duplicate constant elimination
6375 for per-translation-unit TOCs.
6377 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6378 a comment explaining _exactly_ when this pattern gets used.
6379 (builtin_setjmp_receiver): New pattern for better clarity.
6380 (init_v4_pic): Move it into a section dealing with TOC registers.
6382 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6384 * rs6000.c (toc_hash_table): New variable.
6385 (rs6000_hash_constant): New function.
6386 (toc_hash_function): New function.
6387 (toc_hash_eq): New function.
6388 (toc_hash_mark_entry): New function.
6389 (toc_hash_mark_table): New function.
6390 (output_toc): Don't output duplicate TOC entries in
6392 (rs6000_add_gc_roots): Add the hash table as a GC root.
6393 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6394 where they clearly shouldn't be. This may need to be fixed
6395 later when there is a GNU ar for AIX.
6396 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6397 Don't define BOOT_LDFLAGS as it is now not necessary.
6399 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6401 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6402 for va_list on AIX. Use unsigned_char_type_node rather than
6403 constructing our own version on svr4.
6405 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6407 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6408 since patently it's not.
6410 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6412 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6413 define_expand/define_insn pair, and handle restore of the
6414 SVR4 -fpic register.
6416 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6418 * acconfig.h (HAVE_GAS_WEAK): New define.
6419 * configure.in (assembler weak support): Check for .weak support.
6420 * config.in, configure: Rebuilt.
6421 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6422 HAVE_GAS_WEAK is defined.
6424 2000-03-15 Nick Clifton <nickc@cygnus.com>
6426 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6429 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6431 * cppfiles.c (open_include_file): New function.
6432 (find_include_file, cpp_read_file): Use it.
6434 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6436 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6438 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6440 * flow.c (verify_flow_info): Check for unconditional return.
6442 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6444 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6445 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6446 (__ia64_restore_stack_nonlocal): New.
6447 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6449 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6451 * cpphash.c (collect_formal_parameters): Do not complain about
6452 parameter names that just start with `__VA_ARGS__'.
6454 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6456 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6457 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6458 * i386.c (pentiumpro_cost): Set mul cost to 4.
6459 (x86_use_movx): Set for PPro.
6461 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6463 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6464 STACK_BOUNDARY for empty frames now.
6466 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6468 * stor-layout.c (layout_union): Remove.
6469 (layout_union_field): New function, split out from layout_union.
6470 (finish_union_layout): Likewise.
6471 (layout_field): Handle unions by calling layout_union_field.
6472 (finish_record_layout): Handle unions.
6473 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6474 QUAL_UNION_TYPE handling.
6476 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6478 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6479 end of basic block is jump_insn, not barrier; use create_basic_block
6480 instead of creating basic block by hand.
6482 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6484 * flow.c (reorder_basic_blocks): Account for barriers when writing
6485 over NEXT_INSN (last_bb->end).
6486 (verify_flow_info): Add check for missing barriers.
6488 2000-03-14 Greg McGary <gkm@gnu.org>
6490 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6491 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6492 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6493 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6494 __unbounded, __unbounded__): New keywords.
6495 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6496 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6497 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6499 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6501 * cselib.h: New file.
6502 * alias.c: Include "cselib.h".
6503 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6504 MEMs as two new arguments.
6505 (get_addr): New static function.
6506 (find_base_term): Handle VALUEs.
6507 (memrefs_conflict_p): Likewise.
6508 (true_dependence): Call get_addr on the addresses.
6509 Call fixed_scalar_and_varying_struct_p with addresses that have been
6510 passed through get_addr and canon_rtx.
6511 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6512 with true_dependence.
6513 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6514 * loop.c: Include "cselib.h".
6515 (load_mems): Process extended basic block that enters the loop with
6516 cselib. Use that information to change initialization of the shadow
6517 register so that a constant equivalence is seen by later passes.
6518 * reload1.c: Include "cselib.h".
6519 (reload_cse_invalidate_regno): Delete function.
6520 (reload_cse_mem_conflict_p): Likewise.
6521 (reload_cse_invalidate_mem): Likewise.
6522 (reload_cse_invalidate_rtx): Likewise.
6523 (reload_cse_regno_equal_p): Likewise.
6524 (reload_cse_check_clobber): Likewise.
6525 (reload_cse_record_set): Likewise.
6526 (reg_values): Delete static variable.
6527 (invalidate_regno_rtx): Likewise.
6528 (reload_cse_delete_noop_set): New static function.
6529 (reload_cse_simplify): New static function, broken out of
6531 (reload_cse_noop_set_p): Delete unused argument INSN.
6532 Just call rtx_equal_for_cselib_p on set source and destination.
6533 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6534 reload_cse_delete_noop_set. Delete code to keep track of values; use
6535 cselib functions instead. Delete code to push/pop obstacks.
6536 (reload_cse_simplify_set): Use cselib to find equivalent values.
6537 Delete code to push/pop obstacks.
6538 (reload_cse_simplify_operands): Likewise.
6539 * rtl.def (VALUE): New rtx code.
6540 * rtl.h (union rtunion_def): New elt rt_cselib.
6541 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6542 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6543 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6544 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6545 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6546 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6547 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6548 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6549 cselib_record_set, cselib_record_sets): New static functions.
6550 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6551 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6552 references_value_p): New functions.
6553 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6554 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6555 n_useless_values, reg_values, callmem, cselib_obstack,
6556 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6557 New static variables.
6558 * varray.h (union varray_data_tag): New elt te.
6559 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6560 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6563 2000-03-14 Nick Clifton <nickc@cygnus.com>
6565 * gcc.c (do_spec_1): Catch the case where %* is used in a
6566 substitution pattern, but it has not been initialised.
6567 Issue a meaningful error message if an unrecognised operator
6568 is encountered in a spec string.
6570 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6572 * function.c (prepare_function_start): Correctly initialize
6573 cfun->stack_alignment_needed.
6575 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6577 * cppfiles.c (find_include_file): Don't assume nshort is a
6580 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6582 * configure.in (hppa configurations): Add pa32-regs.h to the
6583 list of tm files as appropriate.
6584 * configure: Rebuilt.
6585 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6587 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6588 (fmpyaddoperands, fmpysuboperands): Likewise.
6589 * pa.h: Remove various definitions which depend on knowing
6590 how registers are numbered.
6591 * pa32-regs.h: New file with PA32 register numbering specific
6594 2000-03-14 Richard Henderson <rth@cygnus.com>
6596 * regmove.c (combine_stack_adjustments): New.
6597 (stack_memref_p, single_set_for_csa): New.
6598 (free_csa_memlist, record_one_stack_memref): New.
6599 (try_apply_stack_adjustment): New.
6600 (combine_stack_adjustments_for_block): New.
6601 * rtl.h (combine_stack_adjustments): Declare.
6602 * toplev.c (rest_of_compilation): Call it.
6604 * i386.md: Revert 2000-01-16 change.
6606 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6608 * gccbug.in: Add web category, gcc specific classes.
6610 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6612 * stor-layout.c (finalize_record_size): Fix typo.
6614 2000-03-14 Stan Shebs <shebs@apple.com>
6616 * c-typeck.c (c_alignof): Error on incomplete types.
6617 * extend.texi (Alignment): Document this.
6619 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6621 * cppfiles.c: Include mkdeps.h.
6622 (find_include_file, read_include_file): Remove _cpp_ prefix
6623 from name, make static.
6624 (_cpp_execute_include): New function, broken out of
6627 * cpplib.c: Don't include mkdeps.h.
6628 (struct directive): Remove type field. Reorder entries. The
6629 function takes only one argument.
6630 (struct if_stack): Make type field an int.
6631 (directive_table): Rename to dtable. Generate it, the
6632 prototypes of the directive handlers, and the enum for the
6633 directive numbers, from a template macro.
6634 (do_ifndef, do_include_next, do_import): New functions.
6635 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6636 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6637 do_ident, do_assert, do_unassert, do_sccs): Take only one
6639 (do_sccs): Define always, but alter behavior based on
6641 (_cpp_handle_directive, consider_directive_while_skipping):
6642 Restructure for new directive table layout.
6644 (pass_thru_directive): Take a directive number, not a pointer
6645 to a struct directive.
6646 (parse_include): New function, broken out of do_include.
6647 (do_include, do_import, do_include_next): Use parse_include
6648 and _cpp_execute_include.
6649 (do_elif, do_else): Test for T_ELSE specifically when checking
6650 for #elif/#else after #else.
6651 (parse_ifdef): New function, broken out of do_ifdef.
6652 (validate_else): Expect a name arg without a leading #.
6653 (if_directive_name): Delete.
6654 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6655 directive handlers with only one argument.
6657 * cpphash.h: Update prototypes.
6658 (enum node_type): Remove entries for directives.
6659 * Makefile.in: Update dependencies.
6661 * cpphash.c (dump_hash_helper): Only dump nodes of type
6662 T_MACRO. Emit a newline after each definition.
6664 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6666 * gccbug.in: New file.
6667 * configure.in (all_outputs): Add gccbug.
6668 * Makefile.in (install-common): Install gccbug.
6669 (GCCBUG_INSTALL_NAME): New variable.
6670 * configure: Rebuilt.
6672 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6674 * function.c (put_var_into_stack): Use type_for_mode to calculate
6675 part_type. Use MEM_SET_IN_STRUCT_P.
6676 * expr.c (store_field): Handle CONCAT.
6677 (store_constructor): Use fields_length.
6678 * tree.c (fields_length): New fn.
6679 * tree.h: Declare it.
6681 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6683 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6684 (cpplex.o): New target.
6685 * po/POTFILES.in: Add cpplex.c.
6687 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6688 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6689 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6690 skip_block_comment, skip_line_comment, skip_comment,
6691 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6692 _cpp_parse_name, skip_string, parse_string,
6693 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6694 _cpp_get_directive_token, find_position,
6695 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6696 (maybe_macroexpand, _cpp_lex_token): New functions.
6698 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6699 parse_goto_mark): Delete.
6700 (_cpp_handle_eof): New function.
6701 (_cpp_handle_directive): Rename from handle_directive.
6702 (_cpp_output_line_command): Rename from output_line_command.
6703 (do_if, do_elif): Call _cpp_parse_expr directly.
6704 * cppfiles.c (_cpp_read_include_file): Don't call
6705 init_input_buffer here.
6706 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6707 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6708 here; pop the token_buffer and skip the rest of the line here.
6709 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6712 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6714 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6715 CPP_GOTO_MARK): New macros.
6716 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6717 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6718 _cpp_read_and_prescan, _cpp_init_input_buffer,
6719 _cpp_grow_token_buffer, _cpp_get_directive_token,
6720 _cpp_handle_directive, _cpp_handle_eof,
6721 _cpp_output_line_command): Prototype them here.
6722 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6723 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6724 quote_string, output_line_command): Remove.
6726 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6728 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6729 whether it is too large we must also verify that it isn't negative.
6731 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6733 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6734 (movsi_zero_liveg0): Remove.
6735 (movsf_insn_novis_liveg0): Remove.
6737 (negsi2_not_liveg0): Rename to negsi2.
6738 (one_cmplsi2): Remove.
6739 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6740 (one_cmplsi2_liveg0): Remove.
6741 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6742 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6743 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6744 (PREDICATE_CODES): Remove zero_operand.
6745 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6746 TARGET_BROKEN_SAVERESTORE.
6747 (zero_operand): Remove.
6748 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6749 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6751 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6752 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6753 TARGET_BROKEN_SAVERESTORE): Remove.
6754 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6756 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6758 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6761 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6763 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6765 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6766 truncating a string. Don't assume tokens are nul terminated.
6767 Problem noted by Andreas Jaeger <aj@suse.de>
6769 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6771 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6772 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6773 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6775 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6777 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6778 STRUCTURE_SIZE_BOUNDARY.
6780 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6782 * tree.h (record_layout_info_s): New structure.
6783 (record_layout_info): New type.
6784 (new_record_layout_info): New function.
6785 (layout_field): Likewise.
6786 (finish_record_layout): Likewise.
6787 * stor-layout.c (layout_record): Remove.
6788 (new_record_layout_info): New function.
6789 (layout_field): New function, broken out from layout_record.
6790 (finalize_record_size): Likewise.
6791 (compute_record_mode): Likewise.
6792 (finalize_type_size): New function, broken out from layout_type.
6793 (finish_record_layout): Likewise.
6794 (layout_type): Use them.
6796 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6798 * cpphash.c: Don't include version.h.
6799 (special_symbol) [case T_VERSION]: Look for the string in
6800 hp->value.cpval; don't use version_string.
6801 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6802 __VERSION__ to version_string.
6803 * Makefile.in (cpphash.o): Update deps.
6805 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6807 Convert cpplib to use libiberty/hashtab.c.
6809 * cpplib.h (struct cpp_reader): Make hashtab and
6810 all_include_files of type 'struct htab *'. Delete HASHSIZE
6811 and ALL_INCLUDE_HASHSIZE macros.
6813 * cpphash.h: Update prototypes.
6814 (struct hashnode): Remove next, prev, and bucket_hdr members.
6815 Make length a size_t. Add hash member.
6816 (struct ihash): Remove next member. Add hash member. Make
6817 name a flexible array member.
6819 * cppfiles.c: Include hashtab.h.
6820 (include_hash): Delete.
6821 (IHASHSIZE): New macro.
6822 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6823 (cpp_included): Do the hash lookup here.
6824 (_cpp_find_include_file): Rewrite.
6825 (cpp_read_file): Put the "fake" hash entry into the hash
6826 table. Honor the control_macro, if it turns out we've seen
6827 the file before. Don't push the buffer here.
6828 (_cpp_read_include_file): Push the buffer here.
6829 (OMODES): New macro. Use it whenever we call open(2).
6831 * cpphash.c: Include hashtab.h.
6832 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6833 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6834 _cpp_lookup_slot): New functions.
6835 (HASHSIZE): new macro.
6836 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6837 (_cpp_lookup): Use hashtab.h routines.
6839 * cppinit.c: Include hashtab.h.
6840 (cpp_reader_init): Call _cpp_init_macro_hash and
6841 _cpp_init_include_hash. Don't allocate hashtab directly.
6842 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6843 pfile->all_include_files.
6844 (initialize_builtins): Use _cpp_make_hashnode and
6845 htab_find_slot to add hash entries.
6846 (cpp_finish): Just call _cpp_dump_macro_hash.
6847 * cpplib.c: Include hashtab.h.
6848 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6849 create hash entries.
6850 (do_pragma_poison, do_assert): Likewise.
6851 (do_include): Don't push the buffer here. Don't increment
6852 system_include_depth unless _cpp_read_include_file succeeds.
6853 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6855 (do_pragma_implementation): Use alloca to create copy.
6857 * Makefile.in: Update dependencies.
6859 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6861 * cppinit.c (cl_directive_handler): More K&R fixing.
6863 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6865 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6867 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6869 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6871 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6872 Change from char[] to macros.
6874 2000-03-12 Neil Booth <NeilB@earthling.net>
6876 * cppinit.c (cpp_start_read): Update indirect function
6879 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6881 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6884 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6885 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6887 2000-03-11 Neil Booth <NeilB@earthling.net>
6889 * cppinit.c (struct pending option): Replace undef with a
6890 pointer to a directive handling routine.
6891 (struct cpp_pending): Replace separate assert_ and define_
6892 lists with one directive_ list.
6893 (new_pending_define): Rename new_pending_directive. Extra
6894 argument is the directive's handling routine.
6895 (handle_option): Update to use new_pending_directive.
6897 2000-03-11 Neil Booth <NeilB@earthling.net>
6899 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6900 remap_filename, _cpp_read_include_file, actual_directory,
6901 hack_vms_include_specification): Replace bcopy(), index() etc
6902 calls. Add casts to some allocations. Make some variables
6903 pointers to const [unsigned] char.
6904 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6905 collect_formal_parameters): Similarly.
6906 * cppinit.c (struct pending_option, append_include_chain,
6907 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6908 cpp_start_read, new_pending_define, handle_option): Similarly.
6909 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6910 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6911 do_pragma_implementation, detect_if_not_defined,
6912 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6913 do_assert, do_unassert): Similarly.
6914 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6915 function prototypes.
6916 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6918 2000-03-10 Richard Henderson <rth@cygnus.com>
6920 * builtins.c (expand_builtin_strlen): Revert last change.
6921 Use emit_insn_before if we're at the beginning of a sequence.
6923 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6925 * builtins.c (expand_builtin_strlen): Make sure that we have something
6926 at the beginning of the sequence.
6928 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6931 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6933 2000-03-10 Richard Henderson <rth@cygnus.com>
6935 * except.c (can_throw): Use INTVAL on a CONST_INT.
6936 (reachable_handlers): Likewise.
6937 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6939 2000-03-10 Andreas Jaeger <aj@suse.de>
6941 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6942 MD_STARTFILE_PREFIX since those are not needed on linux.
6943 (ASM_FILE_START): New, from mips/gnu.h.
6945 2000-03-09 Richard Henderson <rth@cygnus.com>
6946 Alex Samuel <samuel@codesourcery.com> and others
6948 * Makefile.in (ssa.o): New rule.
6950 (STAGESTUFF): Add *.ssa and *.ussa.
6951 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6952 * rtl.def (PHI): New RTL expression.
6953 * rtl.h (clear_log_links): New declaration.
6954 (convert_to_ssa): Likewise.
6955 (convert_from_ssa): Likewise.
6956 * flow.c (split_edge): If the entry node falls through to the
6957 split edge's source block, split the entry edge.
6958 (clear_log_links): New function.
6959 * toplev.c (ssa_dump): New variable.
6960 (flag_ssa): Likewise.
6961 (f_options): Add "ssa".
6962 (compile_file): Create SSA dump files.
6963 (rest_of_compilation): Go to and from SSA if enabled.
6964 (decide_d_option): Handle -de for SSA dump files.
6967 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6969 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6972 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6974 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6976 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6978 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6979 (MD_STARTFILE_PREFIX_1): New macro.
6981 2000-03-09 Robert Lipe <robertl@sco.com>
6983 * config/ia64/ia64.c: Include system.h.
6985 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6987 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6988 (init_eh_nesting_info): Likewise.
6990 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6991 (TREE_NOTHROW): Rename from TREE_RAISES.
6992 * toplev.c (rest_of_compilation): Set it.
6993 * print-tree.c (print_node): Adjust.
6994 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6995 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6996 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6997 REG_EH_REGION note as appropriate.
6998 (libfunc_nothrow): New fn.
6999 (emit_library_call, emit_library_call_value): Use it.
7000 (expand_call): Check TREE_NOTHROW.
7002 * varasm.c (make_decl_rtl): Skip initial '*' when setting
7003 DECL_ASSEMBLER_NAME.
7005 2000-03-09 Andreas Jaeger <aj@suse.de>
7007 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
7008 (TARGET_MEM_FUNCTIONS): Define.
7010 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
7012 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
7014 * except.c (can_throw): See through a SEQUENCE.
7015 (nothrow_function_p): New fn.
7016 * except.h: Declare it.
7017 * function.c (current_function_nothrow): New var.
7018 (prepare_function_start): Initialize it.
7019 * output.h: Declare it.
7020 * toplev.c (rest_of_compilation): Set it.
7021 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
7023 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
7025 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
7026 match. (cpp_compare_defs): Count the nul separator when
7027 advancing over argument names.
7029 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
7031 * recog.c (preprocess_constraints): Matching constraints affect
7032 same alternative/different operand, not same operand/different
7035 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
7036 register and a constant specially.
7038 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7040 * libgcc2.h: New file.
7041 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
7043 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
7045 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
7046 * configure: Regenerate.
7049 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7051 * Makefile.in (LIBCPP_DEPS): New macro.
7052 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
7054 * cpperror.c: Include cpphash.h.
7055 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
7057 (lex): Don't use CPP_WARN_UNDEF.
7058 (_cpp_parse_expr): Return an int, the truth value.
7059 * cppfiles.c: Include cpphash.h.
7060 (_cpp_merge_include_chains): Move to cppinit.c and make static.
7061 * cppinit.c (include_defaults_array): Disentangle.
7062 (cpp_cleanup): Don't free the if stack here.
7063 (cpp_finish): Pop off all buffers, not just one.
7064 * cpplib.c (eval_if_expr): Return int.
7065 (do_xifdef): Rename do_ifdef.
7066 (handle_directive): Don't use CPP_PREPROCESSED.
7067 (cpp_get_token): Don't use CPP_C89.
7068 * fix-header.c: Don't use CPP_OPTIONS.
7070 * cpplib.h: Move U_CHAR, enum node_type, struct
7071 file_name_list, struct ihash, is_idchar, is_idstart,
7072 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
7073 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
7074 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
7075 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
7076 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
7077 of _cpp_simplify_pathname, _cpp_find_include_file,
7078 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
7079 Move struct if_stack to cpplib.c. Move struct cpp_pending to
7081 Change all uses of U_CHAR to be unsigned char instead.
7082 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
7084 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7086 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
7087 (dwarf2out_begin_prologue): Set it.
7088 (output_call_frame_info): Don't emit EH unwind info for leaves.
7090 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
7091 can occur outside of an EH region.
7092 * except.c: Correct comments about rethrow behavior.
7093 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
7095 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
7097 * flow.c (make_edges): Always call make_eh_edge for calls.
7099 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7101 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
7102 (struct cpp_buffer): Remove fname and underflow fields.
7103 (struct cpp_reader): Remove get_token field.
7104 (struct include_hash): Rename to struct ihash. Add typedef to
7106 (struct if_stack): Remove fname field.
7107 (IF_STACK_FRAME): Rename to IF_STACK.
7109 * cpperror.c (print_containing_files): Trust that there are no
7110 macro buffers below the top file buffer.
7111 * cppfiles.c: Replace all references to 'struct include_hash'
7112 with 'IHASH'. Rename initialize_input_buffer to
7113 init_input_buffer. Don't set or reference cpp_buffer->fname,
7114 use buffer->ihash->name instead.
7115 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
7116 not CPP_NULL_BUFFER.
7117 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
7118 IF_STACK_FRAME, IHASH not struct include_hash.
7119 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
7120 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
7121 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
7122 references to cpp_buffer->fname (delete entirely, or use
7123 ->ihash->name instead) and IF_STACK->fname.
7124 (cpp_push_buffer): Don't set new->underflow.
7125 (do_include): Use cpp_file_buffer.
7127 * cpphash.c (collect_formal_parameters): Remove duplicate
7128 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
7129 used as a macro argument name. Don't append "..." to namebuf
7130 for varargs macros. After we're done scanning, go through
7131 namebuf and make it NUL separated, not comma separated.
7132 (_cpp_compare_defs): Remove register tag from variables.
7133 Expect defn->argnames to be NUL separated.
7134 (_cpp_dump_definition): Expect defn->argnames to be NUL
7135 separated and in forward order.
7136 * cpphash.h: Update documentation of argnames field.
7138 2000-03-08 Richard Henderson <rth@cygnus.com>
7140 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
7141 to fail. Don't pre-expand the source operand.
7143 * i386.md (strlensi): Initialize eoschar and align before use.
7145 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7147 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
7148 CONSTRUCTOR element.
7150 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7152 * mips.c (mips_expand_prologue): If the last
7153 named argument is the vararg marker "va_list", treat it as
7154 an unnamed argument.
7156 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
7158 * dbxout.c (dbxout_parms): When correcting for promoted
7159 big-endian parameters, use the mode of the DECL_RTL rather
7160 than UNITS_PER_WORD.
7162 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
7164 * c-common.h (make_fname_decl): Declare.
7165 * c-common.c (make_fname_decl): Define.
7166 (declare_hidden_char_array): Remove.
7167 (declare_function_name): Use make_fname_decl.
7168 * c-decl.c (c_make_fname_decl): New function.
7169 (init_decl_processing): Set make_fname_decl.
7171 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
7173 * cccp.c (handle_directive): Initialize backslash_newlines_p.
7175 2000-03-07 Philipp Thomas <pthomas@suse.de>
7177 * po/POTFILES.in: Remove cppalloc.c from file list.
7179 2000-03-07 Steve Chamberlain <sac@pobox.com>
7181 * pj.c (pj_expand_prologue): current_function->args_info is
7182 now current_function_args_info.
7184 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
7185 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
7186 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
7188 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7190 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
7191 output as hexadecimal rather than the default octal.
7193 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7195 * cpphash.c (special_symbol): Fix thinko in previous commit.
7197 2000-03-07 Neil Booth <NeilB@earthling.net>
7199 * cppexp.c (struct operation, left_shift, right_shift,
7200 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
7201 "int"s to "unsigned int"s.
7202 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
7204 * cpplib.h: Update for above.
7205 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
7206 returned from allocations.
7208 * cppinit.c (opt_comp, parse_options): New functions.
7209 (handle_option): Use parse_option to parse a single command
7210 line option, that possibly takes an argument.
7211 (cpp_handle_options): Sort the array of command line options on
7212 first invocation (non-ASCII hosts only).
7213 (print_help): Update.
7215 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7217 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
7218 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
7220 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
7222 * cppinit.c (cpp_cleanup): Free imp->nshort also.
7224 * cpperror.c (cpp_print_containing_files,
7225 cpp_print_file_and_line, v_cpp_message): Rename to
7226 print_containing_files, print_file_and_line, and v_message.
7227 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
7228 to _cpp_parse_expr, parse_escape, and lex.
7229 (parse_charconst): Remove broken multibyte support.
7230 * cppfiles.c (include_hash): Make static.
7231 (cpp_included): New function.
7232 (merge_include_chains, find_include_file, finclude,
7233 simplify_pathname): Rename to _cpp_merge_include_chains,
7234 _cpp_find_include_file, _cpp_read_include_file, and
7235 _cpp_simplify_pathname.
7236 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7237 cpp_install, create_definition, macroexpand, compare_defs,
7238 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7239 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7240 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7241 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7243 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7245 * cpphash.h: Update prototypes.
7246 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7248 2000-03-07 Andrew Haley <aph@cygnus.com>
7250 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7251 PTRDIFF_TYPE should be based solely on Pmode.
7254 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7256 * rtl.h (rtunion_def): Constify member `rtstr'.
7257 (emit_line_note_after, emit_line_note, emit_line_note_force,
7258 emit_note, decode_asm_operands): Constify.
7260 * cse.c (canon_hash): Likewise.
7262 * dbxout.c (dbxout_block): Likewise.
7264 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7265 v_warning_for_asm): Likewise.
7267 * dwarfout.c (function_start_label): Likewise.
7269 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7270 emit_line_note_force): Likewise.
7272 * final.c (last_filename, asm_insn_count, final_scan_insn,
7273 output_source_line): Likewise.
7275 * function.h (struct emit_status): Likewise.
7277 * gcse.c (hash_expr_1): Likewise.
7279 * genattr.c (gen_attr, main): Likewise.
7281 * genattrtab.c (struct function_unit, current_alternative_string,
7282 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7283 attr_numeral, check_attr_test, check_attr_value,
7284 convert_set_attr_alternative, convert_set_attr,
7285 compute_alternative_mask, simplify_by_exploding, gen_attr,
7286 gen_unit): Likewise.
7288 * genflags.c (gen_insn): Likewise.
7290 * gengenrtl.c (type_from_format): Likewise.
7292 * genopinit.c (gen_insn): Likewise.
7294 * genoutput.c (n_occurrences, process_template, process_template):
7297 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7300 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7303 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7304 ggc_set_mark, ggc_get_size): Likewise.
7306 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7308 * optabs.c (init_one_libfunc): Likewise.
7310 * output.h (assemble_start_function): Likewise.
7312 * recog.c (decode_asm_operands): Likewise.
7314 * toplev.c (rest_of_compilation): Likewise.
7316 * tree.h (emit_line_note_after, emit_line_note,
7317 emit_line_note_force): Likewise.
7319 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7320 asm_emit_uninitialised, assemble_start_function,
7321 assemble_variable, const_hash, compare_constant_1,
7322 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7324 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7326 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7328 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7330 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7332 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7333 arm_dllimport_name_p): Likewise.
7335 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7338 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7340 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7342 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7343 arm_mark_dllexport, arm_mark_dllimport,
7344 arm_pe_encode_section_info): Likewise.
7346 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7347 ASM_FINISH_DECLARE_OBJECT): Likewise.
7349 * arm/thumb.c (thumb_function_prologue): Likewise.
7351 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7353 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7355 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7357 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7359 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7361 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7363 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7364 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7366 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7368 * i386/i386.c (asm_output_function_prefix): Likewise.
7370 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7372 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7374 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7376 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7377 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7378 ASM_OUTPUT_SECTION_NAME): Likewise.
7380 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7382 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7384 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7386 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7388 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7390 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7392 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7394 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7396 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7398 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7400 * mips/mips.md (movdi, movsi): Likewise.
7402 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7404 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7406 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7408 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7409 ASM_OUTPUT_ASCII): Likewise.
7411 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7412 output_mi_thunk, output_toc): Likewise.
7414 * rs6000/rs6000.md (movsi): Likewise.
7416 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7418 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7420 * v850/v850.c (print_operand, print_operand_address,
7421 v850_encode_data_area): Likewise.
7423 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7425 * config/mips/mips.md (zero_extendsidi2): Always force operand
7426 one to memory for mips16.
7428 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7430 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7431 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7432 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7433 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7434 (min_precision): Result is unsigned.
7435 (add_double, neg_double, mul_double): Low word is unsigned.
7436 (lshift_double, rshift_double, lrotate_double): Likewise.
7437 (rrotate_double, div_and_round_double): Likewise.
7438 (tree_floor_log2, compare_tree_int): New functions.
7439 (preserve_rtl_expr_temps): New declaration.
7440 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7441 (decl_attributes): Use tree_log2 to find alignment.
7442 Check for TREE_INT_CST_HIGH for format args.
7443 (min_precision): Now unsigned.
7444 Use tree_floor_log2.
7445 (truthvalue_conversion): Delete long-disabled code.
7446 * c-decl.c (finish_struct): Clean up tests on field width.
7447 (finish_function): Use compare_tree_int.
7448 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7449 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7450 (default_conversion, digest_init): Use compare_tree_int.
7451 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7452 Fix type errors in forming masks.
7453 * calls.c (initialize_argument_information): Use compare_tree_int.
7454 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7455 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7456 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7457 (store_field): Use compare_tree_int.
7458 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7459 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7460 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7461 (do_store_flag): Use compare_tree_int.
7462 * fold-const.c (encode, decode): Low part is always unsigned.
7463 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7464 (lshift_double, rshift_double, lrotate_double): Likewise.
7465 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7466 (fold_convert): Use compare_tree_int.
7467 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7468 (invert_truthvalue, case INTEGER_CST): Likewise.
7469 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7470 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7471 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7472 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7474 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7475 (expand_end_case): Use compare_tree_int.
7476 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7477 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7478 (layout_decl): Likewise.
7479 (layout_record, layout_union): Make sizes unsigned.
7480 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7481 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7482 * tree.c (struct type_hash): hashcode is unsigned.
7483 (build_type_attribute_variant, type_hash_list): Likewise.
7484 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7485 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7486 (build_complex_type): Likewise.
7487 (real_value_from_int_cst): Remove unneeded casts.
7488 (integer_all_onesp): Add casts.
7489 (tree_floor_log2, compare_tree_int): New functions.
7490 (build_index_type): Use tree_int_cst_sgn.
7491 * varasm.c (assemble_variable): Use compare_tree_int.
7493 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7495 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7497 * varasm.c (make_decl_rtl): Don't add a number to members of
7499 (make_function_rtl): Likewise.
7501 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7503 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7504 patch from 2000-01-28.
7506 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7508 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7509 filled with an insn from the jump target.
7511 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7513 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7514 (c4x_external_ref): Likewise.
7515 * config/c4x/c4x.c (struct name_list): Likewise.
7517 1999-12-16 Ben Collins <bcollins@debian.org>
7519 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7520 argument to genmultilib.
7521 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7522 the contents into the multilib.h header.
7523 * gcc.c: Declare multilib_exclusions for the specs file.
7524 (set_multilib_dir): Use it.
7525 (print_multilib_info): Likewise.
7526 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7527 to pass to genmultilib.
7529 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7531 * builtins.c (built_in_class_names, built_in_names): Constify a
7534 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7536 (_mcleanup): Ensure value matches format specifier in sprintf.
7538 * cpphash.c (special_symbol): Don't needlessly cast away
7541 * cppinit.c (base_name): Delete unused prototype.
7543 * mkdeps.c (deps_init): Make definition K&R safe.
7545 * tree.h (built_in_class_names, built_in_names): Constify a
7548 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7550 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7551 floating point instructions for epilogue delay.
7553 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7554 to gas if it supports .register pseudo.
7556 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7557 LONG_DOUBLE_TYPE_SIZE if not defined.
7558 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7559 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7561 * gengenrtl.c: Likewise.
7562 * print-rtl.c: Likewise.
7564 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7565 MASK_LONG_DOUBLE_128.
7566 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7567 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7568 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7569 (SUBTARGET_SWITCHES): Define.
7570 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7571 with -mlong-double-128.
7572 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7573 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7574 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7575 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7576 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7577 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7578 with -mlong-double-128.
7579 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7580 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7581 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7582 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7583 TARGET_LONG_DOUBLE_128): Define.
7584 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7585 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7586 long double on TARGET_ARCH64.
7588 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7590 * function.c (free_temps_for_rtl_expr): Don't free slots
7591 that have been pushed into a higher level.
7594 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7596 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7598 * basic-block.h (ALLOCA_REG_SET): Remove.
7599 (INITIALIZE_REG_SET): New macro.
7600 * flow.c (update_life_info): Use it.
7601 (calculate_global_regs_live): Likewise.
7602 (propagate_block): Likewise.
7603 * global.c (build_insn_chain): Likewise.
7604 * haifa-sched.c (schedule_region): Likewise.
7606 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7608 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7609 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7610 (DWARF_ARANGES_PAD_SIZE): New define.
7611 (output_aranges): Use it to pad the address range header.
7612 (DWARF_ROUND): Fix for non power of 2 rounding.
7614 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7616 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7618 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7620 * tree.def (RTL_EXPR): Update documentation.
7621 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7622 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7623 * function.c (preserve_rtl_expr_temp): New function.
7624 (preserve_rtl_expr_temps): Likewise.
7625 (preserve_rtl_expr_result): Use it.
7628 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7630 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7632 * regmove.c (copy_src_to_dest) Do not create src->dest move
7633 for unchanging destination.
7635 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7637 * function.h (struct sequence_stack): Remove rtl_expr.
7638 (struct emit_staus): Likewise.
7639 (seq_rtl_expr): Remove.
7640 * tree.h (free_temps_for_rtl_expr): Don't declare.
7641 (start_sequence_for_rtl_expr): Likewise.
7642 * rtl.h (preserve_rtl_expr_result): Likewise.
7643 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7644 (start_sequence_for_rtl_expr): Remove.
7645 (push_topmost_sequence): Don't save sequence_rtl_expr.
7646 (pop_topmost_sequence): Remove comment about not restoring it.
7647 (end_sequence): Don't set seq_rtl_expr.
7648 (init_emit): Don't initialize it.
7649 (mark_sequence_stack): Don't mark it.
7650 (mark_emit_status): Likewise.
7651 * except.c (protect_with_terminate): Use
7652 start_sequence_for_rtl_expr, not start_sequence.
7653 * expr.c (expand_expr, case RTL_EXPR): Don't call
7654 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7655 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7656 (preserve_rtl_expr_result): Remove.
7657 (free_temps_for_rtl_expr): Likewise.
7658 (pop_temp_slots): Likewise.
7659 (mark_temp_slot): Don't mark the rtl_expr.
7660 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7661 start_sequence_for_rtl_expr.
7663 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7665 * mkdeps.c, mkdeps.h: New files.
7666 * po/POTFILES.in: Add them.
7667 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7668 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7669 (mkdeps.o): New target.
7671 * cppfiles.c: Delete deps_output.
7672 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7673 OBJECT_SUFFIX, and base_name.
7674 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7676 (initialize_dependency_output): Use deps_init,
7677 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7678 all the unnecessary string bashing.
7679 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7681 * cpplib.c (do_include): Use deps_add_dep.
7682 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7683 deps_allocated_size, deps_size, deps_column members with
7684 single pointer to a struct deps. Delete prototype of
7687 * cppinit.c: Fix thinko in previous patch.
7689 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7691 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7692 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7693 (mode_for_size_tree): New function.
7694 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7695 * tree.h (mode_for_size_tree): New declaration.
7697 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7699 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7701 * stmt.c (is_body_block): Move...
7702 * dwarfout.c, dwarf2out.c: ...from here.
7703 * tree.h: Declare it.
7704 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7705 * final.c (final_start_function): Do call remove_unnecessary_notes
7708 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7710 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7712 * cpplib.h (_dollar_ok): New macro.
7713 (is_idchar, is_idstart): Use it.
7714 (IStable): Rename to _cpp_IStable. Declare it const if
7715 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7716 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7717 is_space): Update for renamed IStable.
7719 * cppinit.c: Delete all references to FAKE_CONST and CAT
7720 macros. Define init_IStable as empty macro if gcc >=2.7 or
7721 C99. Change TABLE() to ISTABLE and hardcode name of table.
7722 (cpp_start_read): Don't change the IStable based on
7725 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7726 changed. Handle '$' for char1 correctly.
7727 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7729 * cppexp.c (tokentab2): Make const.
7730 (cpp_lex): Make toktab const.
7731 * cppinit.c (include_defaults_array): Make const.
7732 (initialize_standard_includes): Make default_include const.
7734 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7736 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7737 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7738 (gen_decl_die): Likewise.
7739 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7740 (output_decl): Likewise.
7742 * varasm.c (make_function_rtl): If we change the name used in the
7743 rtl, update DECL_ASSEMBLER_NAME accordingly.
7744 (make_decl_rtl): Likewise.
7746 * toplev.c (rest_of_compilation): Tweak formatting.
7748 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7749 remove_unnecessary_notes.
7750 (debug_ignore_block): New fn.
7751 * toplev.h: Declare it.
7752 * emit-rtl.c (remove_unncessary_notes): Call it.
7753 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7754 * dwarf2out.h: Declare it.
7755 * final.c (final_start_function): Don't call remove_unnecessary_notes
7756 if we did insn scheduling.
7758 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7760 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7761 * cpplib.h: Delete SET_CPP_PEDANTIC.
7763 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7765 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7766 result is a RECORD_TYPE.
7768 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7770 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7772 2000-03-03 Richard Henderson <rth@cygnus.com>
7774 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7775 addition over compliments over shifts.
7777 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7779 * reload1.c (reload_combine_note_use): Handle return register USEs.
7780 REG case: Handle multi-hard-register hard regs.
7782 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7784 * md.texi: Document use of '*' in insn pattern name.
7786 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7788 * calls.c (special_function_p): operator new may not be malloc-like.
7790 * gcse.c (dump_hash_table): Really fix error in last change.
7792 2000-03-02 Denis Chertykov <denisc@overta.ru>
7794 * avr.c (print_operand): Use print_operand_address instead of
7796 * avr/libgcc.S: Cleanup code.
7798 2000-03-02 Richard Henderson <rth@cygnus.com>
7800 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7802 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7804 * tree.h (TYPE_ALIGN_UNIT): New macro.
7806 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7808 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7810 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7812 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7814 (SET_CPP_PEDANTIC): New macro.
7815 * cpplib.c (do_include): Don't bother checking system_header_p.
7816 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7817 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7819 * function.h (struct expr_status): Add x_arg_space_so_far.
7820 (arg_space_so_far): New macro.
7821 * expr.c (init_expr): Initialize it.
7822 * calls.c (emit_call_1): Reset it.
7823 (compute_argument_block_size, expand_call): Use it.
7824 (expand_call, store_one_arg): Increment it.
7826 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7828 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7831 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7833 * cppfiles.c (cpp_read_file): New function.
7835 * cpphash.c (collect_expansion): Make sure to reset last_token
7836 to NORM when we hit a string. Handle trailing whitespace
7837 properly when the expansion is empty.
7838 (create_definition): Disable line commands while parsing the
7840 (dump_definition): If pfile->lineno == 0, output a line
7841 command ahead of the dump, and add a trailing newline.
7843 * cppinit.c (append_include_chain): Add fifth argument, which
7844 indicates whether or not system headers are C++ aware.
7845 (initialize_standard_includes): New function,
7846 broken out of read_and_prescan. Pass 'cxx_aware' value from
7847 the include_defaults_array on to append_include_chain.
7848 (dump_special_to_buffer): Const-ify char array.
7849 (builtin_array): Don't dump __BASE_FILE__.
7850 (cpp_start_read): Use cpp_read_file. Reorder code for
7851 clarity. Don't output line commands here for -D/-A/-U
7852 switches. Don't call deps_output for files included with
7853 -include or -imacros.
7855 * cpplib.c (do_define): Don't pay any attention to the second
7857 (cpp_expand_to_buffer): Disable line commands while scanning.
7858 (output_line_command): Work in the file buffer.
7859 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7860 Fix formatting of comments. Prototype cpp_read_file.
7862 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7864 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7865 reference the language-equivalent of sizetype.
7866 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7867 * fold-const.c (size_binop, size_diffop): Put back checks.
7868 * gcse.c (dump_hash_table): Fix minor error in last change.
7869 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7870 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7873 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7875 * calls.c (expand_call) Do not attempt to combine stack adjustments
7876 with inhibit_defer_pop set.
7878 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7880 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7881 the DECL_SIZE for a FIELD_DECL.
7883 2000-03-01 Bruce Korb <bkorb@gnu.org>
7885 * fixinc/inclhack.tpl: remove unused symlinks
7886 * fixinc/README: GCC Maintainer info
7887 * fixinc/inclhack.sh: regen
7888 * fixinc/fixincl.sh: regen
7890 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7892 * cpphash.c (collect_expansion): Trim trailing white space
7893 from macro definitions, but don't go past the last insertion
7896 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7898 * i386.md (mulqi3): New pattern.
7900 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7902 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7904 (struct cpp_reader): Add parsing_if_directive and
7905 parsing_define_directive flags.
7906 (struct cpp_options): Remove output_conditionals flag.
7907 (check_macro_name): Delete prototype.
7909 * cpphash.h (struct macrodef): Delete.
7910 (struct reflist): Separate from struct definition.
7911 (struct definition): Remove unused fields. Add column number.
7912 (create_definition): Returns a DEFINITION *. Takes a
7913 cpp_reader * and an int.
7915 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7916 (PEEKC): Copy defn from cpplib.c.
7917 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7919 (struct arglist): Simplify.
7920 (collect_expansion): Rewrite. Get tokens by calling
7921 cpp_get_token. Add more error checking.
7922 (collect_formal_parameters): New function, broken out of
7923 create_definition and reworked to use get_directive_token.
7924 (create_definition): All real work is now in collect_expansion
7925 and collect_formal_parameters. do_define handles finding the
7926 macro name. Return a DEFINITION, not a MACRODEF.
7927 (macroexpand): Replace bcopy with memcpy throughout. Replace
7928 character-at-a-time copy loop with memcpy and pointer increments.
7929 (compare-defs): d1->argnames / d2->argnames might be null.
7931 * cpplib.c (copy_rest_of_line): Delete function.
7932 (skip_rest_of_line): Do all the work ourselves.
7933 (skip_string): New function.
7934 (parse_string): Use skip_string.
7935 (get_macro_name): New function.
7936 (check_macro_name): Delete.
7937 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7938 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7939 (handle_directive): ICE if we're called on a macro buffer.
7940 (do_define): Determine macro name and type (funlike/objlike)
7941 here. Expunge all uses of MACRODEF.
7942 (cpp_push_buffer): Set line_base to NULL.
7943 (do_undef, read_line_number): Don't worry about getting a POP token.
7944 (eval_if_expression): Set/reset parsing_if_directive around
7945 cpp_parse_expr. Don't clear only_seen_white.
7946 (skip_if_group): Remove output_conditionals logic. Use
7948 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7949 tokens under appropriate conditions.
7950 (cpp_unassert): Call do_unassert not do_assert. Oops.
7952 * cppexp.c (parse_defined): New function, break out of
7954 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7955 ourselves, with cpp_defined.
7956 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7958 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7959 * gcc.dg/strpaste-2.c: New.
7961 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7963 * fold-const.c (size_binop): Don't asert inputs are the same and
7964 have TYPE_IS_SIZETYPE set.
7965 (size_diffop): Likewise.
7967 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7969 * dwarfout.c (output_block): Output abstract blocks even if they
7970 don't have TREE_ASM_WRITTEN set.
7972 * calls.c (emit_library_call): Check for null REG.
7974 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7976 * c-decl.c (current_function_decl): Move to toplev.c.
7977 (init_decl_processing): Don't add current_function_decl as a ggc
7979 * dbxout.c (dbxout_symbol): Change return type to int.
7980 (dbxout_symbol_location, dbxout_syms): Likewise.
7981 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7982 any locals. Use current_function_func_begin_label if set.
7983 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7984 * dwarf2out.c (dwarf2out_begin_prologue): Set
7985 current_function_func_begin_label.
7986 * final.c (final_start_function): Reset it.
7987 * toplev.c (current_function_decl): Define it here.
7988 (current_function_func_begin_label): New variable.
7989 (main): Add both as ggc roots.
7990 * tree.h (current_function_func_begin_label): Declare.
7992 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7994 * gcse.c: Cleanups throughout: mostly white-space, but also
7995 some minor rearrangement of code.
7997 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7999 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
8000 returns a PARALLEL. Use emit_group_load and use_group_regs
8002 (emit_library_call_value): Similarly.
8004 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
8005 * pa/quadlib.asm: Remove.
8006 * pa/quadlib.c: New file.
8008 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
8009 * configure: Rebuilt.
8011 2000-02-29 Philip Blundell <pb@futuretv.com>
8013 * config/arm/conix-elf.h: New file.
8014 * configure.in (arm*-*-conix*): New configuration.
8015 * configure: Regenerate.
8017 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
8019 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
8020 don't have TREE_ASM_WRITTEN set.
8022 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8024 * Eliminate DECL_FIELD_SIZE.
8025 * builtins.c (built_in_class_names, built_in_names): New variables.
8026 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
8027 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
8028 DECL_SIZE, not DECL_FIELD_SIZE.
8029 * print-tree.c (print_node): Remove code that prints extra blank
8030 lines in some cases.
8031 Properly handle inline and builtin function cases.
8032 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
8033 * tree.h (built_in_class_named, built_in_names): New declarations.
8034 (union tree_decl): Rename internal unions to u1 and u2 and change
8035 some of their components.
8036 Add new field built_in_class.
8037 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
8038 Reflect above changes.
8039 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
8040 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
8041 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
8042 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
8044 2000-02-28 Dmitri Makarov <dim@windriver.com>
8046 * extend.texi: Document ARM's support for long/short calls.
8048 * invoke.texi: Document ARM's -mlong-calls command line switch.
8050 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
8051 (arm_encode_call_attribute): Add prototype.
8052 (arm_set_default_type_attribute): Add prototype.
8053 (arm_strip_name_encoding): Add prototype.
8055 * config/arm/arm.c (arm_init_cumulative_args): replace
8056 initialisation og 'long_calls' field with initialisation of
8057 'call_cookie' field.
8058 (enum arm_pragma_enum): New enum.
8059 (arm_pragma_long_calls): New static variable.
8060 (arm_process_pragma): Also process "#pragma long_calls_off".
8061 (arm_valid_type_attribute_p): Accept short_call attribute.
8062 (arm_comp_type_attributes): Check long/short call attributes.
8063 (arm_encode_call_attribute): New function: Encode long_call
8064 or short_call attribute in function name.
8065 (arm_set_default_type_attributes): New function: Assign
8066 default attributes to newly defined type.
8067 (current_file_function_operand): New function: Return true if
8068 the symbol is a function which has already been compiled.
8069 (arm_is_longcall_p): New function: Return true if the
8070 indicated function should be called via a long call.
8071 (arm_get_strip_length): New function. Returns number of
8072 prefix characters to be stripped from a function's name.
8073 (arm_strip_name_encoding): New function. Strip prefix characters
8074 from a function's name.
8076 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
8078 (SHORT_CALL_FAG_CHAR): Define.
8079 (LONG_CALL_FAG_CHAR): Define.
8080 (ENCODED_SHORT_CALL_ATTR_P): Define.
8081 (ENCODED_LONG_CALL_ATTR_P): Define.
8082 (ARM_NAME_ENCODING_LENGTHS): Define.
8083 (STRIP_NAME_ENCODING): Define.
8084 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
8085 (ARM_ENCODE_CALL_TYPE): Define.
8086 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
8087 (ARM_DECLARE_FUNCTION_SIZE): Define.
8088 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
8090 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
8091 if a long call is needed.
8092 (call_value): Ditto.
8093 (call_symbol): Ditto.
8095 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
8096 ARM_DECLARE_FUNCTION_SIZE.
8098 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
8099 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
8100 (ARM_STRIP_NAME_ENCODING): Undefine.
8101 (STRIP_NAME_ENCODING): Undefine.
8102 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
8103 (ASM_DECLARE_FUNCTION_NAME): Ditto.
8104 (ASM_OUTPUT_COMMON): Ditto.
8105 (ASM_DECLARE_OBJECT_NAME): Ditto.
8107 * config/arm/pe.c (arm_dllexport_name_p): Check for
8109 (arm_dllimport_name_p): Ditto.
8110 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
8111 (arm_mark_dllimport): Ditto.
8113 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8115 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
8117 2000-02-28 Mark Mitchell <mark@codesourcery.com>
8119 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
8121 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
8123 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
8124 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
8125 NO_BUILTIN_WCHAR_TYPE is not defined.
8126 (CPP_WCHAR_TYPE): Delete.
8127 * cccp.c (main): Don't change wchar_type if cplusplus.
8128 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
8130 2000-02-28 Nick Clifton <nickc@cygnus.com>
8132 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
8134 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
8136 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
8137 (ASM_WEAKEN_LABEL): Define.
8139 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
8141 * expr.c (store_constructor): Do not emit USE.
8142 * rtl.h (stupid_life_analysis): Remove.
8144 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8146 * function.c (number_blocks): Reset next_block_index based on
8147 what debugging format is used, not what is defined.
8149 * lcm.c: Minor reformatting throughout.
8150 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
8152 * toplev.c (rest_of_compilation): Account for time in
8153 optimize_mode_switching.
8155 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
8156 if only marking labels.
8158 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
8160 * calls.c (expand_call): Attempt to combine stack adjustments with
8161 pending stack adjustments.
8163 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8165 * loop.c (reg_in_basic_block_p): Don't abort when falling through
8166 to the end of the function.
8168 2000-02-27 Mark Mitchell <mark@codesourcery.com>
8170 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
8172 * final.c (next_block_index): Remove.
8173 (max_block_depth): Likewise.
8174 (pending_blocks): Likewise.
8175 (init_final): Don't initialize them.
8176 (final_start_function): Don't set next_block_index. Set up
8178 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
8179 * function.h (number_blocks): New function.
8180 * function.c (get_block_vector): New function.
8181 (identify_blocks): Use it.
8182 (reorder_blocks): Set NOTE_BLOCK.
8183 (number_blocks): New function.
8184 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
8185 * tree.h (BLOCK_NUMBER): New macro.
8186 (tree_block): Add block_num field.
8187 * dbxout.c (next_block_number): Remove.
8188 (dbxout_init): Don't set it.
8189 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
8190 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
8192 * toplev.c (rest_of_compilation): Always call
8193 find_loop_tree_blocks. Fix indentation.
8194 * dwarf2out.c (next_block_number): Remove.
8195 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8196 to determine block numbers.
8197 (gen_inlined_subroutine_die): Likewise.
8198 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
8199 (decls_for_scope): Don't increment next_block_number.
8200 * dwarfout.c (next_block_number): Remove.
8201 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8202 to determine block numbers.
8203 (output_inlined_subroutine_die): Likewise.
8204 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
8205 (output_decls_for_scope): Don't increment next_block_number.
8206 * sdbout.c (next_block_number): Remove.
8207 (sdbout_block): Use BLOCK_NUMBER.
8208 (sdbout_begin_block): Simplify.
8209 * xcoffout.c (next_block_number): Remove.
8210 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
8211 (xcoffout_begin_block): Don't set next_block_number.
8212 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
8215 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8217 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
8218 (expand_builtin_strcpy): Pass correct type to size_binop.
8219 (expand_builtin_strcmp): Likewise.
8220 Clean up conditional structure.
8221 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
8222 (complete_array_type): Don't use size_binop for MAXINDEX.
8223 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
8224 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
8225 (c_alignof): Use size_one_node.
8226 (build_unary_op): Pass arg of proper type to size_binop.
8227 (really_start_incremental_init, push_init_level): Use sizetype for
8228 constructor{,_bit,_unfilled}_index.
8229 (pop_init_label, output_init_element): Likewise.
8230 (output_pending_init_elements, process_init_element): Likewise.
8231 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
8232 * expr.c (store_expr): Use size_int.
8233 (store_constructor): Use proper types for size_binop args.
8234 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
8235 (expand_expr_unaligned): Likewise.
8236 (string_contant): Return object of sizetype.
8237 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8238 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8239 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8240 * fold-const.c (int_const_binop): Refine when size_int is called.
8241 (fold_convert): Likewise.
8242 (size_int_wide): Rework to take KIND as arg, only take low order
8243 bits, handle new sizetype_tab datatype, and chain entries in
8245 (size_int_type_wide): New function.
8246 (size_binop): Validate types of arguments.
8247 (ssize_binop): Deleted.
8248 (size_diffop): New function.
8249 (extract_muldiv): Only fold division into multiplication for sizetypes.
8250 * function.c (assign_parms): Use size_diffop and make sure
8251 VAR field is of ssizetype; also pass proper type to size_binop.
8252 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8253 (round_down): Deleted from here.
8254 * store-layout.c (sizetype_tab): Now an array.
8255 (sizetype_set, early_root_list): New variables.
8256 (variable_size): Use size_one_node.
8257 (round_up): Pass proper type to size_binop.
8258 (round_down): Moved to here and corrected as above.
8259 (layout_record): Pass proper arg types to size_binop.
8260 (layout_type): Likewise.
8261 If sizetype_set is zero, record the type just laid out.
8262 (make_unsigned_type): Don't call set_sizetype;
8263 (make_signed_type): Likewise; also, call fixup_signed_type.
8264 (initialize_sizetypes): New function.
8265 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8266 set name of bitsizetype to "bit_size_type".
8267 Fix up type of sizes of all types made before call.
8268 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8269 * tree.c (fix_sizetype): Deleted.
8270 (build_common_tree_nodes): Call initialize_sizetypes.
8271 (build_common_tree_nodes_2): Don't call fix_sizetype.
8272 * tree.h (TYPE_IS_SIZETYPE): New macro.
8273 (initialize_sizetype): New declaration.
8274 (enum size_type_kind): New type.
8275 (struct sizetype_tab): Deleted.
8276 (sizetype_tab): Now array; adjust sizetype macros.
8277 (size_diffop, size_int_type_wide): New functions.
8278 (size_int_wide): Change number of args and type; access macros changed.
8279 (ssize_int, sbitsize_int): New macros.
8280 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8281 (ROUND_TYPE_SIZE_UNIT): New macro.
8283 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8285 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8287 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8289 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8290 Mark as possibly unused.
8292 * cse.c (cse_insn): Delete dead code involving tablejump.
8293 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8295 * Makefile.in (libcpp.a): Start by deleting it.
8297 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8299 * cpplib.h (enum file_change_code): Added rename_file.
8300 * cpplib.c (do_line): If a filename is given, set file_change to
8302 (output_line_command): If file_change is rename_file, always
8303 output a # directive with the file name.
8305 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8307 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8309 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8310 when copying a PARM_DECL or RESULT_DECL.
8312 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8314 * fix-header.c (recognized_function): Also fix prototypes for
8315 functions taking "void".
8317 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8319 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8320 looking at reg_reloaded_contents.
8322 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8324 * Makefile.in (STMP_FIXINC): New toggle.
8325 (LIBGCC2_DEPS): Delete all references.
8326 (stmp-headers): Delete target. All references either deleted
8327 or changed to stmp-int-headers.
8328 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8329 (LIBCPP_OBJS): Take out cppalloc.o.
8330 (cppalloc.o): Delete target.
8331 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8332 (gen-protos, fix-header): Link with libiberty.a.
8333 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8336 * configure.in: Remove refs to strerror.
8337 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8338 * system.h: Take out strerror stanza.
8340 * cpperror.c (my_strerror): Delete function.
8341 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8342 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8343 * cppalloc.c: Delete file.
8344 * gen-protos.c: Don't provide xrealloc.
8346 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8347 xstrerror throughout.
8349 2000-02-26 Bruce Korb <bkorb@gnu.org>
8351 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8352 match for DOS headers, too.
8353 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8355 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8357 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8358 is right for most ELF targets.
8359 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8360 Let the default file use %U properly.
8361 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8364 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8367 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8369 * toplev.c (documented_lang_options): Correct spelling error.
8370 (decode_d_option, decode_f_option, main): Likewise.
8372 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8374 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8375 to tell assembler it is permitted to expand large constants.
8377 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8379 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8380 (aux_info_suffix): Use.
8381 (SAVE_SUFFIX): New macro.
8383 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8384 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8385 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8387 * invoke.texi (Running Protoize): Update documentation.
8389 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8391 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8393 2000-02-25 John Wehle (john@feith.com)
8395 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8397 2000-02-25 Anthony Green <green@cygnus.com>
8399 * toplev.c (rest_of_compilation): Rebuild jump labels if
8400 combine_instructions has created a new direct jump.
8401 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8403 (combine_instructions): Call try_combine with new argument.
8404 Return non-null value when new direct jump instruction is created.
8405 * rtl.h: combine_instructions returns an int.
8407 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8409 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8410 jump when changing a computed jump into a jump to a known
8413 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8415 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8416 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8418 * i386.md (define_expand "clrstrsi"): Fix typo.
8420 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8422 * rtl.texi: Fix typo.
8424 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8426 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8427 UNITS_PER_WORD. Change caller initial_elimination_offset.
8428 (rounded_frame_size): Take into account that argument pushed has
8429 changed. Fix TARGET_ALIGN_DOUBLE problem.
8431 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8433 * haifa-sched.c (schedule_block): Explain the real reason
8434 we delete REG_SAVE_NOTEs on the first insn of a block.
8435 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8437 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8439 * input.h (push_srcloc): New function.
8440 (pop_srcloc): Likewise.
8441 * toplev.c (push_srcloc): Define it.
8442 (pop_srcloc): Likewise.
8444 2000-02-24 Richard Henderson <rth@cygnus.com>
8446 * flow.c (life_analysis): When collecting reg info, clear
8449 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8451 Fix bug exposed by reload.c no longer rounding the frame
8452 size to BIGGEST_ALIGNMENT:
8453 * sh.c (rounded_frame_size): New function.
8454 (sh_expand_prologue, sh_expand_epilogue): Use it.
8455 (initial_elimination_offset): Likewise.
8457 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8459 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8460 * sh-protos.h (sh_need_epilogue): Declare.
8461 * sh.c (sh_need_epilogue_known): New static variable.
8462 (sh_need_epilogue): New function.
8463 (function_epilogue): Clear need_epilogue_known.
8464 * sh.md (return): Split into expander / insn pattern.
8465 Make the expander conditional on ! sh_need_epilogue ().
8467 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8469 * machmode.h (get_mode_alignment): Declare.
8470 (GET_MODE_ALIGNMENT): Call it.
8471 * stor-layout.c (get_mode_alignment): New function. Make
8472 sure alignment is always power of 2.
8474 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8476 * i386.h: Remove useless definition of "I386" and misleading
8479 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8481 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8482 under which TREE_PERMANENT will be set.
8483 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8484 build1): Use TREE_SET_PERMANENT.
8485 * print-tree.c (print_node): Don't report value of
8486 TREE_PERMANENT if ggc_p is true.
8488 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8489 decide whether to give a type a new alias set.
8490 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8491 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8492 of value of 'obstack'.
8495 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8497 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8499 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8501 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8502 * cpplib.c (cpp_get_token): Produce them.
8503 * cppexp.c (cpp_lex): Handle them.
8505 2000-02-23 Nick Clifton <nickc@cygnus.com>
8507 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8508 comment tests on type attributes.
8510 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8512 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8513 conform to documentation.
8514 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8515 to check for special cases.
8516 * sh-protos.h (sh_loop_align): Declare.
8517 * sh.c (sh_loop_align): Define.
8519 2000-02-22 Andrew Haley <aph@cygnus.com>
8521 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8522 (SIZE_TYPE): Is 32 bits when using -mgp32.
8523 (PTRDIFF_TYPE): Ditto.
8525 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8527 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8529 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8531 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8532 BIGGEST_FIELD_ALIGNMENT a constant.
8534 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8536 * dwarf2out.c (output_line_info): Put the marker for the end of
8537 the line number info at the actual end.
8538 (gen_struct_or_union_type_die): Use decl_function_context
8539 to check for local classes.
8540 * dwarfout.c (output_type): Likewise.
8542 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8544 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8545 for arguments with a mode, but no type.
8546 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8547 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8548 * pa/long_double.h: New file.
8549 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8550 both have 128bit wide long doubles.
8551 * configure: Rebuilt.
8553 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8555 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8557 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8558 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8559 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8561 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8563 * integrate.c (compare_blocks, find_block): Likewise.
8565 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8567 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8569 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8570 expand_asm_operands): Likewise.
8572 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8574 * predict.c (estimate_probability): Added the pointer heuristic to
8575 the collection of static branch predictors.
8577 2000-02-21 Catherine Moore <clm@cygnus.com>
8579 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8580 * invoke.texi (-mfix7000): Document.
8582 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8584 * diagnostic.c (init_output_buffer): Make it possible to output at
8585 least 32 characters if we're given a too long prefix.
8587 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8589 * varasm.c (initializer_constant_valid_p): Call
8590 lang_expand_constant to simplify the constant.
8592 2000-02-20 Bruce Korb <bkorb@gnu.org>
8594 * fixinc/inclhack.def(stdio_va_list):
8595 typedef needs to be disabled.
8596 * fixinc/inclhack.sh: regen
8597 * fixinc/fixincl.x: regen
8599 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8601 * print-rtl.c (print_rtx): Don't print addresses when
8602 flag_dump_unnumbered.
8604 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8606 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8608 (sparc_va_arg, sparc_flat_output_function_prologue,
8609 sparc_flat_output_function_epilogue): Cast value to unsigned in
8611 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8613 * sparc.md: Add default case in switch.
8615 2000-02-19 Richard Henderson <rth@cygnus.com>
8617 * c-typeck.c (add_pending_init): Don't abort for multiple
8618 fields at the same offset.
8619 (pending_init_member): Test the correct member.
8621 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8623 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8625 (start_catch_handler) : Same.
8627 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8629 * Makefile.in: Have flow.o depend on $(EXPR_H)
8631 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8633 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8634 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8635 (finish_decl): Remove -Wlarger-than code from here.
8636 * flags.h (id_clash_len): Now int.
8637 (larger_than_size): Now HOST_WIDE_INT.
8638 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8639 Clean up checking to see if in table.
8640 (make_bit_field_ref): Remove extra parm to bitsize_int.
8641 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8642 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8643 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8644 and for computing size of decl.
8645 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8646 Move -Wlarger-than code to here.
8647 (layout_record): Remove extra arg to bitsize_int.
8648 Set TYPE_BINFO_SIZE_UNIT.
8649 (layout_union): Remove extra arg to bitsize_int.
8650 Use proper type for size of QUAL_UNION.
8651 (layout_type): Remove extra arg to bitsize_int.
8652 * toplev.c (id_clash_len): Now int.
8653 (larger_than_size): Now HOST_WIDE_INT.
8654 (decode_W_option): Clean up id-clash and larger-than- cases.
8655 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8656 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8657 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8658 (struct tree_decl): New field size_unit.
8659 (size_int_wide): No HIGH operand; NUMBER is now signed.
8660 (size_int_2): Deleted.
8661 (size_int, bitsize_int): Don't use it and rework args.
8662 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8664 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8666 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8668 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8670 * invoke.texi (Warning Options): Add an explanation of why
8671 you might want the -Wfloat-equal flag.
8673 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8675 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8676 * cppinit.c (new_pending_define): Add cast to avoid warning.
8677 * expmed.c (extract_bit_field): Likewise.
8678 * flow.c (enum reorder_skip_type): New type.
8679 (skip_insns_between_blcok): New it.
8680 Rework to avoid warning about possibly undefined variable.
8681 * function.c (assign_parms): Make thisparm_boundary unsigned.
8682 * genrecog.c (write_switch): Cast XWINT result to int.
8683 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8684 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8685 one for MIPS and one for Alpha.
8686 (get_tag, copy_object): Add casts to avoid warnings.
8687 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8688 * reload.c (find_reloads): Make TYPE enum reload_type.
8689 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8690 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8691 * varasm.c (compare_constant_1): Add cast to avoid warning.
8692 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8694 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8695 Cast switch operand of size to int.
8696 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8697 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8700 2000-02-18 Nick Clifton <nickc@cygnus.com>
8702 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8703 anything for an alignment of zero.
8705 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8706 anything for an alignment of zero.
8708 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8710 * gcc.texi (Bug Reporting): Refer to bugs.html.
8711 (Bug Lists): Likewise.
8712 * system.h (GCCBUGURL): New preprocessor define.
8713 * rtl.c (fancy_abort): Use it.
8714 * gcc.c (main): Likewise.
8716 2000-02-18 Richard Henderson <rth@cygnus.com>
8718 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8719 (life_analysis_1): Subsume into ...
8720 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8721 Use update_life_info for the relaxation.
8722 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8723 entry and regs_live_at_setjmp.
8724 (set_noop_p): Simplify.
8725 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8726 (record_volatile_insns): Split into ...
8727 (delete_noop_moves): ... here,
8728 (notice_stack_pointer_modification): ... here,
8729 (insn_dead_p): ... and here.
8730 (propagate_block): Don't query INSN_VOLATILE.
8731 (mark_used_regs): Mind !PROP_REG_INFO.
8732 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8733 not in life_analysis.
8735 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8737 * loop.c (canonicalize_condition): New function,
8738 broken out of get_condition.
8739 (get_condition): Use it.
8740 * expr.h (canonicalize_condition): Prototype it.
8742 * tree.h (tree_int_cst_msb): Declare.
8743 * tree.c (tree_int_cst_msb): New function.
8745 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8747 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8750 * invoke.texi (-fmessage-length=n): Document.
8752 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8754 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8756 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8758 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8761 2000-02-17 Nick Clifton <nickc@cygnus.com>
8763 * config/arm/thumb.c: Replace includes of system headers with
8764 #include "system.h".
8766 2000-02-16 Richard Henderson <rth@cygnus.com>
8768 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8769 Add crtbeginS.o and crtendS.o.
8770 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8771 (ENDFILE_SPEC): Use crtendS.o.
8772 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8774 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8775 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8777 (__dso_handle): New variable.
8778 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8779 bias to __CTOR_END__.
8781 2000-02-16 Richard Henderson <rth@cygnus.com>
8783 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8785 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8787 * longlong.h (__clz_tab): Declare as static to match definition.
8789 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8790 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8791 (XREF_FILE_NAME): Define.
8793 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8794 (EH_FRAME_SECTION_ASM_OP): Define.
8795 (IDENT_ASM_OP): Define.
8796 (TEXT_SECTION_ASM_OP): Define.
8798 (CTORS_SECTION_ASM_OP): Define.
8799 (CTOR_SECTION_FUNCTION): Use it.
8800 (DTORS_SECTION_ASM_OP): Define.
8801 (DTOR_SECTION_FUNCTION): Use it.
8803 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8805 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8808 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8809 debug_bb_n): New functions.
8810 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8811 * basic-block.h: Prototype new functions.
8813 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8815 * configure.in: Add support for avr target.
8816 * configure: Rebuilt.
8818 * invoke.texi: Add AVR invocation docs.
8819 * install.texi: Add information about AVR.
8820 * md.texi: Add AVR constraint letters description.
8821 * extend.texi: Add description for AVR specific attributes.
8823 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8825 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8827 2000-02-16 Nick Clifton <nickc@cygnus.com>
8829 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8830 (make_insn_raw): Move RTL check here.
8832 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8834 * version.c: Include gansidecl.h and version.h.
8836 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8838 * configure.in (gcc_version): When setting, narrow search to
8839 lines containing `version_string'.
8841 * Makefile.in (mainversion): Likewise.
8842 (GCC_H): New variable.
8843 (gcc.h): Delete target.
8844 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8845 (version.o): Depend on version.h.
8846 (dbxout.o): Don't depend on gcc.h.
8848 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8849 Michael Meissner <meissner@cygnus.com>
8851 * md.texi (Simple Constraints): Add item about whitespace.
8852 * genoutput.c (strip_whitespace): New.
8853 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8854 strip_whitespace for constraints.
8855 Test pointer using NULL, not 0.
8857 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8859 * cpplib.c (do_line): Pedwarn for #line > 32767.
8861 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8863 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8865 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8866 to default cpp spec.
8867 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8868 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8871 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8874 2000-02-15 Denis Chertykov <denisc@overta.ru>
8876 * configure.in: Add support for avr target.
8878 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8880 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8881 (sh_addr_diff_vec_mode): Don't declare.
8882 * sh.c (sh_addr_diff_vec_mode): Delete.
8884 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8886 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8888 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8890 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8891 (smulsi3_highpart_i): Name.
8892 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8893 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8894 (smulsi3_highpart, umulsi3_highpart): Likewise.
8896 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8897 correctly independent of endianness.
8898 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8899 confuse the optimizers.
8900 (mulsidi3+1, umulsidi3+1): New define_split.
8902 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8904 * config/sh/sh.md: Guard insn splits against illegal registers.
8905 * config/sh/sh.h: Correct comment about macros.
8907 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8908 Andrew MacLeod <amacleod@cygnus.com>
8910 * Makefile.in (lcm.o): Depend on insn-attr.h.
8911 * basic-block.h (optimize_mode_switching): Declare.
8912 * lcm.c (tm_p.h, insn-attr.h): #include.
8913 (seginfo, bb_info): New structs.
8914 (antic, transp, comp, delete, insert) : New file-scope static variables.
8915 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8916 (reg_becomes_live, optimize_mode_switching): Likewise.
8917 * tm.texi: Add description of mode switching macros.
8918 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8920 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8921 (fldi_ok, fpscr_set_from_mem): New prototypes.
8922 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8923 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8924 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8925 (sh_flag_remove_dead_before_cse): Remove declaration.
8926 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8927 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8928 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8929 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8930 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8931 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8932 (fldi_ok): New function.
8933 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8934 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8935 (emit_df_insn): Likewise.
8936 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8937 (sh_flag_remove_dead_before_cse): Delete.
8938 (get_free_reg, fpscr_set_from_mem): New functions.
8939 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8940 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8942 2000-02-15 Loren Rittle <ljrittle@acm.org>
8944 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8946 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8948 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8949 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8951 * cccp.c: Include version.h and/or don't declare `version_string'.
8952 * collect2.c: Likewise.
8953 * alpha.c: Likewise.
8954 * arm/aof.h: Likewise.
8955 * arm/coff.h: Likewise.
8956 * arm/elf.h: Likewise.
8957 * arm/pe.h: Likewise.
8958 * arm/tcoff.h: Likewise.
8959 * arm/telf.h: Likewise.
8960 * arm/tpe.h: Likewise.
8961 * arm/vxarm.h: Likewise.
8962 * convex/convex.c: Likewise.
8963 * i386/dgux.c: Likewise.
8964 * i386/sun386.h: Likewise.
8965 * m88k/m88k.c: Likewise.
8966 * mcore/mcore-pe.h: Likewise.
8967 * mips/mips.h: Likewise.
8968 * romp/romp.h: Likewise.
8969 * sh/sh.c: Likewise.
8970 * cpphash.c: Likewise.
8971 * cppinit.c: Likewise.
8972 * dwarf2out.c: Likewise.
8973 * dwarfout.c: Likewise.
8976 * mips-tfile.c: Likewise.
8977 * protoize.c: Likewise.
8978 * toplev.c: Likewise.
8981 * version.c (version_string): Constify a char*.
8983 * version.h: New file.
8985 2000-02-14 Nick Clifton <nickc@cygnus.com>
8987 * configure.in: Add mcore-elf and mcore-pe targets.
8988 * configure: Regenerate.
8990 * NEWS: Add note that MCore port has been contributed.
8992 * invoke.texi: Document command line switches for MCore port.
8993 * install.texi: Add MCore to list of supported targets.
8995 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8997 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8998 then we will need to import the frame handling functions.
8999 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
9000 to import the frames themselves.
9002 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
9003 Jason Eckhardt <jle@cygnus.com>
9005 * basic_block.h: Added prototype for reorder_basic_blocks.
9006 * toplev.c: Changes to add -freorder-blocks and graph dump after
9007 block reordering is done.
9008 * flow.c (reorder_block_def): New structure for use during block
9010 (REORDER_BLOCK_*): New macros to access members of above structure.
9011 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
9012 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
9013 functions for block reordering.
9015 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
9017 * gcc.texi (Passes): Fix typo.
9018 * md.texi (Standard Names): Ditto.
9019 * tm.texi (Storage Layout): Ditto.
9021 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9023 * cpplib.c (do_define): Only free the old definition if it
9026 2000-02-13 Neil Booth <NeilB@earthling.net>
9028 * cppfiles.c (read_and_prescan): When emitting deferred
9029 newlines, test speccase[] again instead of checking each
9030 possible whitespace character in turn. When we encounter \r,
9031 look behind for \n first, then ahead.
9033 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9035 * cse.c (cse_altered): New internal flag.
9036 (cse_insn): Set it if we changed an insn.
9037 (cse_main): Clear cse_altered before each basic block.
9038 Only garbage collect if cse_altered is true afterward.
9040 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9042 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
9044 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
9046 * combine.c (simplify_comparison): Fix typo.
9048 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
9050 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
9053 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9055 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
9056 previously inserted node instead of root node. Caller changed.
9058 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9060 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
9062 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9064 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
9065 __dereg_frame_dtor): Add prototype argument.
9067 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
9069 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
9071 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
9073 * gthr-vxworks.h (__gthread_once): Likewise.
9075 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
9077 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
9079 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
9080 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
9081 stack pointer in functions w/o saved registers, output LEAVE more often
9082 on TARGET_USE_LEAVE machines.
9084 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
9086 * config/arm/arm.c (arm_init_cumulative_args); New function:
9087 Initlaise the CUMULATIE_ARGS strcuture for a function
9089 (arm_function_arg): New function: Determine where to place a
9090 function's argument. Also handles deciding the function's
9092 (current_file_function_operand): New function: Return true if
9093 the symbol is a function which has already been compiled.
9094 (arm_is_long_call_p): New function: Return true if the
9095 indicated function should be called via a long call.
9096 (arm_valid_type_attribute_p): New function: Return true if the
9097 attribute is a valid, arm specific, attribute.
9098 (arm_comp_type_attribute): New function: Return true if the
9099 two types have compatable, arm specific, attributes.
9101 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
9103 (FUNCTION_ARG): Redefine to call arm_function_arg.
9104 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
9106 (INIT_CUMULATIVE_ARGS): Redefine to call
9107 arm_init_cumulative_args.
9108 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
9110 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
9112 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
9114 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
9115 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
9116 (COMP_TYPE_ATTRIBUTES): Define.
9118 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
9119 if a long call is needed.
9120 (call_value): Call arm_is_long_call_p to decide if a long call
9122 (call_symbol): Call arm_is_long_call_p to decide if a long call
9125 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
9127 2000-02-11 Denis Chertykov <denisc@overta.ru>
9129 * README.AVR: New file with information about the avr ports.
9130 * config/avr: New directory with avr port files.
9132 2000-02-11 Andreas Jaeger <aj@suse.de>
9134 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
9136 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
9138 * cpphash.c: Fix formatting, update commentary.
9139 (dump_definition): Take three separate arguments instead of a
9140 MACRODEF structure argument.
9141 * cpphash.h: Update prototype of dump_definition.
9142 * cppinit.c (cpp_finish): Update call of dump_definition.
9144 * cpplib.c (do_define): Always create new hash entry with
9145 T_MACRO type. Remove redundant check for redefinition of
9146 poisoned identifier. Update call of dump_definition.
9147 (do_undef): Don't call check_macro_name. Rename sym_length to
9149 (do_error, do_warning): Don't use copy_rest_of_line or
9151 (do_warning): Don't use pedwarn for the actual warning,
9152 only the notice about its not being in the standard. (Fixes
9153 bug with #warning in system headers.)
9154 (do_ident): Stricter argument checking - accept only a single
9155 string after #ident. Also, macro-expand the line.
9156 (do_xifdef): Use cpp_defined. De-obfuscate.
9158 (do_pragma): Split out specific pragma handling to separate
9159 functions. Use get_directive_token. Update commentary. Do
9160 not pass on #pragma once or #pragma poison to the front end.
9161 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
9162 do_pragma_default): New.
9164 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
9166 * jump.c (jump_optimize_1): The first operand in a relational
9168 * optabs.c (emit_conditional_move): Handle relationals which
9169 have a known true/false result.
9171 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9173 * function.c (thread_prologue_and_epilogue_insns): Don't insert
9174 a RETURN insn into a block which already ends with a jump.
9176 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9178 * haifa-sched.c (BUF_LEN): Increase a lot.
9180 2000-02-11 Nick Clifton <nickc@cygnus.com>
9182 * configure.in: Add tm_p_file specification for thumb targets.
9183 * configure: Regenerate.
9185 * config/arm/thumb-protos.h: New file: Prototypes for exported
9186 functions defined in thumb.c.
9188 2000-02-11 Robert Lipe <robertl@sco.com>
9190 * Makefile.in (bootstrap-lean): Remove additional files.
9191 (bootstrap2-lean): Likewise.
9192 (VOL_FILES): List of files for above.
9194 2000-02-11 Nathan Sidwell <nathan@acm.org>
9196 * cpphash.c (special_symbol): Remove spurious argument to
9199 2000-02-11 Joel Sherrill (joel@OARcorp.com>
9201 * configure.in: (i*86-*-rtems*): Swapped elf and coff
9203 * configure: Rebuilt.
9205 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
9207 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
9209 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
9211 * pa.c, pa.h: Remove trigraph sequences within comments.
9213 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
9215 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
9217 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
9219 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9221 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9223 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
9225 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9227 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
9228 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
9229 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
9230 (ASM_FILE_END): Use c4x_file_end.
9231 * config/c4x/c4x.c (c4x_global_label): New function.
9232 (c4x_external_ref, c4x_file_end): Likewise.
9234 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
9235 (c4x_external_ref, c4x_end_file): Likewise.
9237 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9239 * cppexp.c: Don't include cpphash.h.
9240 (parse_charconst, cpp_lex): Use cpp_defined.
9241 (cpp_lex): Use get_directive_token throughout. Remove
9242 unnecessary cases from switch. Move assertion-handling code
9244 (cpp_parse_expr): If we see '+' or '-', check the context to
9245 determine if they are unary or binary operators. Streamline
9246 the jumps a bit. Do not call skip_rest_of_line.
9248 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9249 static. Export get_directive_token. Update commentary.
9250 (cpp_defined): New function.
9251 (do_define): Remove reference to T_PCSTRING. Call
9252 free_definition to release memory for old definition, when
9254 (eval_if_expression): Set only_seen_white to 0 before calling
9255 cpp_parse_expr. Call skip_rest_of_line after it returns.
9256 (cpp_read_check_assertion): Don't preserve a pointer into the
9257 token buffer across a call to cpp_get_token.
9259 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9260 * cppfiles.c (redundant_include_p): Use cpp_defined.
9261 * cpphash.c (free_definition): New function.
9262 (delete_macro): Use it. Update commentary.
9263 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9265 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9266 from enum node_type. Prototype cpp_defined and get_directive_token.
9267 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9269 * fix-header.c (check_macro_names): Use cpp_defined.
9270 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9271 the options structure.
9273 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9275 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9277 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9279 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9280 rather than die->die_tag.
9282 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9284 * combine.c (make_extraction, force_to_mode): Avoid warning on
9285 mixed-signedness conditionals.
9286 (make_field_assignment, nonzero_bits): Likewise.
9287 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9288 (store_split_bit_field, extract_split_bit_field): Likewise.
9289 (extract_fixed_bit_field, store_bit_field,
9290 * expr.c: Change alignment to be unsigned everywhere.
9291 (move_by_pieces, store_constructor_field, store_constructor):
9292 Alignment parm is unsigned.
9293 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9294 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9295 (do_compare_rtx_and_jump): Likewise.
9296 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9297 Compare align with GET_MODE_ALIGNMENT.
9298 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9299 (get_inner_reference): Likewise.
9300 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9301 (expand_assignment): Local vars for alignment now unsigned.
9302 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9303 (do_compare_and_jump): Likewise.
9304 (store_field): Call new function expr_align.
9305 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9306 Alignment arg now unsigned.
9307 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9308 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9309 (extract_bit_field): Likewise.
9310 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9311 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9312 (get_best_mode): Alignment arg is unsigned.
9313 * rtl.h (move_by_pieces): Likewise.
9314 * store-layout.c (maximum_field_alignment, set_alignment):
9316 (layout_decl): Alignment arg is now unsigned.
9317 Remove unneeded casts.
9318 (layout_record, layout_union, layout_type): Remove unneeded casts.
9319 Local alignment variables now unsigned.
9320 (get_best_mode): Alignment arg now unsigned.
9321 * tree.c (expr_align): New function.
9322 * tree.h (expr_align): Likewise.
9323 (maximum_field_alignment, set_alignment): Now unsigned.
9324 (get_inner_reference): Alignment argument is now pointer to unsigned.
9325 * varasm.c (assemble_variable): Add cast to eliminate warning.
9327 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9329 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9330 then store directly into op0.
9332 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9333 the CALL_INSN, and emit the note immediately after it.
9335 2000-02-10 Nick Clifton <nickc@cygnus.com>
9337 * config/arm/thumb.md (epilogue): Include a (return) in the
9338 generated insn, and emit it using emit_jump_insn not
9341 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9343 * function.c (assign_temp): Change zero-sized arrays to size 1.
9344 * integrate.c (expand_inline_function): Do not update
9345 stack_alignment_needed
9346 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9347 add some sanity checking, remove optimization for function with
9350 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9352 * flow.c (mark_regs_live_at_end): Delete unused variables.
9354 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9356 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9357 in macro FRAME_GROWS_DOWNWARD.
9359 * stmt.c (expand_end_bindings): Delete unused variable.
9361 * unroll.c (iteration_info): Mark parameter `loop' with
9364 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9366 * fixinc/server.c (load_data): Return NULL if the marker line is
9368 (run_shell): If load_data returns NULL, retry the command once, in
9371 * configure: Rebuilt.
9373 2000-02-09 Bruce Korb <bkorb@gnu.org>
9375 * gcc/fixincludes: ** DELETED **
9376 * gcc/fixcpp: ** DELETED **
9377 * gcc/fixinc-nt.sed: ** DELETED **
9378 * gcc/just-fixinc: ** DELETED **
9379 * gcc/Makefile.in: Removed out-dated commentary
9380 * gcc/configure.in: Removed fast-fixincludes disablement.
9381 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9383 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9384 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9387 2000-02-09 Richard Henderson <rth@cygnus.com>
9389 * jump.c (delete_insn): Don't delete user labels at -O0.
9391 2000-02-09 Robert Lipe <robertl@sco.com>
9393 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9394 Don't link with HOST_LIBS.
9396 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9398 * configure.in: Correct --help text for --with-dwarf2.
9399 Put tm-dwarf2.h after other tm files, if it's requested.
9400 * configure: Regenerate.
9401 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9404 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9406 * cpplib.h: Provide HASHNODE typedef and forward decl of
9407 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9408 DEFINITION, struct hashnode, struct macrodef, struct
9409 definition, scan_decls prototype, default defn of
9410 INCLUDE_LEN_FUDGE moved elsewhere.
9412 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9413 definition, and struct hashnode moved here. Remove the unused
9414 'predefined' field from struct definition. Replace the 'args'
9415 union with its sole member. All users updated (cpphash.c).
9416 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9417 multiple include guard.
9419 * cpphash.c (hashf): Make static; use better algorithm; drop
9420 HASHSIZE parameter; return an unsigned int.
9421 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9422 used. Calculate HASHSIZE modulus here.
9423 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9425 (create_definition): Drop PREDEFINITION parameter.
9426 * cpplib.c (do_define): Don't calculate a hash value here.
9427 Don't pass (keyword == NULL) to create_definition.
9429 * scan.h: Prototype scan_decls here.
9430 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9431 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9432 callers of cpp_lookup and cpp_install updated.
9434 * cpphash.c (macarg): Hoist all the flag diddling out of the
9436 (macroexpand): ... and out of the loop that calls macarg.
9437 Skip over the initial paren before macro arguments with
9438 cpp_get_non_space_token; point may be some distance before
9439 that paren. Abort if it's not there.
9441 * cpplib.c (parse_clear_mark): Delete function.
9442 (parse_set_mark, parse_goto_mark): Make static.
9443 (ACTIVE_MARK_P): New macro.
9444 (skip_block_comment, skip_line_comment): Do not bump the line
9445 if ACTIVE_MARK_P is true.
9446 (cpp_pop_buffer): The buffer to be popped may not have an
9448 (cpp_get_token): When looking for the initial paren before
9449 macro arguments, only set a mark in a file buffer, Always
9450 return to that mark before proceeding to call macroexpand or
9451 return a NAME token.
9453 * cpplib.h: Remove prototypes of parse_set_mark,
9454 parse_clear_mark, parse_goto_mark.
9455 (struct cpp_options): Rename 'put_out_comments' to
9456 'discard_comments' and invert its sense.
9457 * cppinit.c, cpphash.c, cpplib.c: All users of
9458 put_out_comments changed to use discard_comments, with
9461 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9463 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9464 the edge from a block that both jumps and falls through to the
9467 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9469 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9470 constant source address is legitimate.
9472 2000-02-09 Philip Blundell <pb@futuretv.com>
9474 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9477 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9479 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9481 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9483 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9484 ends with a newline and a NUL. Don't be so clever manipulating
9487 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9489 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9490 not to BIGGEST_ALIGNMENT.
9492 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9494 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9495 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9496 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9497 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9498 * frame.c (execute_cfa_insn): Handle
9499 DW_CFA_GNU_negative_offset_extended.
9501 2000-02-08 Richard Henderson <rth@cygnus.com>
9503 * flow.c (tidy_fallthru_edges): Split out from ...
9504 (delete_unreachable_blocks): ... here.
9505 (find_basic_blocks): Use it.
9507 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9509 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9511 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9513 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9514 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9515 (fix-header.o): Don't depend on cpphash.h.
9517 * scan.c (hashstr): New function.
9518 * scan.h: Prototype it.
9519 * fix-header.c: Don't include cpphash.h. Use hashstr.
9520 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9521 hashstr. Report hash table statistics. Add private
9522 definition of xrealloc.
9524 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9526 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9528 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9530 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9531 jumps with returns unless they are jumps to the fallthru block.
9533 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9535 * i386.md (addqi3_cc): Fix contraints.
9537 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9539 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9541 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9543 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9544 carriage return after a macro name.
9546 2000-02-07 Fred Fish <fnf@be.com>
9548 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9549 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9551 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9553 * cppfiles.c (deps_output): Count spacers in deps_column.
9555 2000-02-07 Neil Booth <NeilB@earthling.net>
9557 * cppinit.c (initialize_dependency_output): If there is no
9558 suffix, don't try to look for known suffixes. Use strrchr.
9559 (cpp_start_read): Remove duplicate initialization.
9561 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9563 * calls.c (compute_argument_block_size): New argument
9564 preferred_stack_boundary.
9565 (expand_call): update cfun->preferred_stack_boundary, update call of
9566 compute_argument_block_size
9567 (emit_library_call): Increate cfun->preferred_stack_boundary
9568 to PREFERRED_STACK_BOUNDARY
9569 (emit_library_call_value): Likewise.
9570 * explow.c (allocate_dynamic_stack_spave): Likewise.
9571 * function.c (prepare_function_start): Set
9572 cfun->preferred_stack_boundary
9573 * function.h (struct function): Add preferred_stack_boundary field.
9574 * integrate.c (expand_inline_function): Update
9575 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9576 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9577 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9579 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9581 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9582 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9583 cpp_pedwarn, cpp_pedwarn_with_line,
9584 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9585 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9586 v_cpp_error_with_line, v_cpp_warning_with_line,
9587 cpp_message_from_errno, cpp_perror_with_name): Delete.
9589 * cpperror.c (cpp_print_containing_files): Take starting
9591 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9592 (v_cpp_message): Now called directly by all entry points.
9594 (cpp_pfatal_with_name, cpp_message): Delete.
9595 (cpp_notice_from_errno, cpp_ice): New functions.
9596 (cpp_notice): Is now for reporting error conditions, just
9597 without an associated file.
9598 (cpp_error, cpp_error_with_line): Don't do anything if
9599 opts->inhibit_errors is on.
9600 (cpp_pedwarn_with_file_and_line): Take column argument also.
9602 * cpplib.h: Update prototypes of exported functions.
9603 (struct cpp_options): Add inhibit_errors.
9605 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9606 non-error messages. Include intl.h.
9608 * cppinit.c, cppmain.c: Likewise. Also, use
9609 cpp_notice_from_errno instead of cpp_perror_with_name or
9610 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9612 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9613 report internal errors.
9615 * cpplib.c (do_define): Switch bcopy to memcpy.
9616 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9618 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9619 bail out early if we hit a line comment.
9621 2000-02-06 Richard Henderson <rth@cygnus.com>
9623 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9624 * basic-block.h: Declare them.
9625 * emit-rtl.h (active_insn_p): New.
9626 (next_active_insn, prev_active_insn): Use it.
9627 * rtl.h: Declare it.
9628 * function.c (emit_return_into_block): New.
9629 (thread_prologue_and_epilogue_insns): Insert return insns instead
9630 of epilogues when possible.
9631 * jump.c (jump_optimize_1): Remove code to insert a return insn
9632 on the fallthru to the exit block.
9634 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9635 and for non-empty stack frames.
9636 * i386.md (return): Expand to return-pop as needed.
9638 2000-02-06 Richard Henderson <rth@cygnus.com>
9640 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9641 constant to op1 for testing.
9643 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9645 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9646 (fixuns_truncqfqi2): Use it.
9648 2000-02-06 Richard Henderson <rth@cygnus.com>
9650 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9653 * i386.md (widening and peepholes): Mask the constant instead of
9656 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9658 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9659 input pointer before possibly branching off to the backslash
9661 * cpphash.c (macroexpand): Correctly delete \r escapes when
9662 stringifying parameters.
9663 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9664 if we can; bail out early if we hit a line comment.
9665 (handle_directive): Treat '# 123' in an .S file just like
9666 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9667 Return 1 for '# not_a_directive'.
9668 (get_directive_token): Pop macro buffers here, so that
9669 cpp_get_token can't sneakily move past a newline.
9671 (cpp_get_token): goto randomchar if handle_directive returns 0.
9673 * cppalloc.c: Update copyright.
9674 * cpplib.c: Merge all the static function prototypes into one
9676 * cpplib.h: Remove #if 0 block.
9678 * cpperror.c: Remove #ifdef EMACS block.
9679 * cppmain.c: Likewise.
9680 * cpphash.c: Remove #if 0 blocks.
9681 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9682 * cpplib.c: Remove #if 0 blocks and code referencing
9683 pcp_inside_if or for_lint. Remove duplicate error message.
9684 Fix error messages for #else after #else or #elif. Reformat.
9685 Remove archaic TODO list.
9686 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9688 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9690 * i386/osf1elf.h: Add missing backslash to multiline string.
9692 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9694 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9696 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9698 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9700 * c-common.c: Include expr.h.
9702 * c-pragma.c (mark_align_stack): Add prototype.
9704 * caller-save.c (add_stored_regs): Likewise.
9706 * combine.c (record_promoted_value): Likewise.
9708 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9711 * cppinit.c (new_pending_define): Likewise.
9713 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9715 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9716 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9717 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9718 class_scope_p): Likewise.
9720 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9721 dwarf2out_add_library_unit_info): Likewise.
9723 * ggc.h (ggc_page_print_statistics): Likewise.
9725 * haifa-sched.c (propagate_deps): Likewise.
9727 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9729 * rtl.h (set_stack_check_libfunc): Likewise.
9731 * toplev.h (set_fatal_function): Likewise.
9733 * toplev.c (set_fatal_function): Delete prototype.
9735 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9737 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9739 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9740 (FUNC_END): Likewise.
9742 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9744 * caller-save.c: Include tm_p.h.
9746 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9748 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9750 2000-02-04 Neil Booth <NeilB@earthling.net>
9752 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9755 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9757 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9758 * genflags.c: Use the max_operand_1 logic from genemit.c to
9759 calculate how many arguments gen_insn prototypes have. Remove
9760 NO_MD_PROTOTYPES ifdefs from the generated file.
9761 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9762 file. Cast gen_insn initializers to insn_gen_fn.
9763 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9764 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9766 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9768 * fixinc/Makefile.in (HDR): Add machname.h.
9771 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9773 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9774 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9775 (c4x_cpu_version): Ditto.
9776 * config/c4x/c4x-protos.h: ... here.
9778 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9780 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9781 gen_abstract_function on our context if we're a nested function.
9783 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9785 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9786 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9788 2000-02-04 Bruce Korb <bkorb@gnu.org>
9790 * fixinc/genfixes(machname.h):
9791 Move the functionality from gen-machine.h into this file.
9792 UNdef MN_NAME_PAT if there are no names to change.
9793 Also, be a little kinder when AutoGen is not present.
9795 * fixinc/Makefile.in(machname.h):
9796 Change the generation rule to use genfixes.
9798 * fixinc/fixfixes.c(machine_name):
9799 machine_name_fix's functionality now dependent upon whether
9800 MN_NAME_PAT is defined.
9802 * fixinc/fixtests.c(machine_name):
9805 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9808 * fixinc/fixlib.h(mn_get_regexps):
9811 * fixinc/gen-machine.h: DELETED
9813 2000-02-04 Jan Hubicka <jh@suse.cz>
9814 Richard Henderson <rth@cygnus.com>
9816 * i386.c (SAVE_REGS_FIRST): Remove.
9817 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9818 (ix86_compute_frame_size): Likewise.
9819 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9820 (ix86_emit_restore_regs): Remove.
9821 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9822 when a frame pointer is in use.
9823 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9824 instead of pop to restore a register when profitable; emit leave
9826 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9828 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9829 * i386.md (prologue_allocate_stack): Remove.
9830 (epilogue_deallocate_stack): Remove.
9831 (pro_epilogue_adjust_stack): New.
9833 2000-02-04 Richard Henderson <rth@cygnus.com>
9835 * function.c (diddle_return_value): Rework to use a callback function.
9836 Use current_function_return_rtx if it's been set up.
9837 (do_clobber_return_reg, clobber_return_register): New.
9838 (do_use_return_reg, use_return_register): New.
9839 (expand_function_end): Use them.
9840 * stmt.c (expand_null_return): Likewise.
9841 * function.h: Declare them.
9842 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9843 (mark_reg): Change arguments as appropriate for callback.
9844 * integrate.c (expand_inline_function): Revert 19 Jan change.
9846 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9848 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9849 (Misc): Say the scheduler, not the Haifa scheduler.
9851 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9853 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9854 when in_mem is set. Update all callers.
9856 2000-02-04 Richard Henderson <rth@cygnus.com>
9858 * i386/openbsd.h (INT_ASM_OP): Define.
9860 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9862 * tm.texi: Fix various typos.
9864 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9866 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9867 (MD_STARTFILE_PREFIX_1): New macro.
9869 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9871 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9872 destination when needed.
9873 (strmovsi, strsetsi): New expander.
9874 (strmovsi_1, strsetsi_1): New pattern.
9875 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9876 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9877 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9878 * invoke.texi (align-stringops, inline-all-stringops): Document.
9880 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9882 * i386/netbsd.h (INT_ASM_OP): Define.
9884 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9886 * cpplib.h (cpp_reader): Add new flag, no_directives.
9887 * cpphash.c (macarg): Set it.
9888 * cpplib.c (handle_directive): If no_directives is on and we
9889 find a directive, issue an error and discard the line.
9891 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9893 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9894 FP constants. Add ! TARGET_FPU check for FP constants.
9896 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9898 * flow.c (find_basic_blocks): Don't kill label_value_list
9900 (cleanup_cfg): Kill it here.
9902 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9904 * expr.c (store_field): Ensure ALIGN is no stricter than the
9907 2000-02-02 Richard Henderson <rth@cygnus.com>
9909 * jump.c (delete_insn): Partially revert 19 Jan change;
9910 don't convert unused code labels to notes at -O0.
9912 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9914 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9915 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9917 2000-02-01 Richard Henderson <rth@cygnus.com>
9919 * i386.c (general_no_elim_operand): New.
9920 (nonmemory_no_elim_operand): New.
9921 (ix86_expand_move): Copy eliminable operands before a push.
9922 * i386-protos.h: Declare new functions.
9923 * i386.h (CAN_ELIMINATE): Simplify.
9924 (PREDICATE_CODES): Update.
9925 * i386.md (push insns): Don't allow eliminable register operands.
9927 2000-02-01 Richard Henderson <rth@cygnus.com>
9929 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9930 replace BLKmode with DECL_RTL's mode.
9932 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9934 * frame.c (find_fde): Convert for loop to do-while so compiler
9935 sees it's always executed at least once.
9936 * libgcc2.c (BBINBUFSIZE): Kill.
9937 (__bb_init_prg): Use fgets.
9938 (__bb_exit_trace_func): Don't paste strings.
9939 * unroll.c (unroll_loop): Initialize unroll_type, not
9940 unroll_number, and tweak logic to match.
9942 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9944 (ix86_flags_dependant): Likewise. Disentangle control flow.
9945 (ix86_sched_reorder): Break guts out to
9946 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9947 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9950 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9951 use string concatenation. Don't save and restore esi.
9953 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9954 (machname.h): Remove script to separate file. Use two-step
9955 sequence so target is not created if script fails.
9956 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9957 identifiers are defined.
9958 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9959 an empty string, machine_name doesn't need to do anything at
9961 (is_cxx_header): Add more cases to regexp.
9962 * fixinc/fixlib.h: Update prototype.
9963 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9965 * fixinc/fixincl.c: Define NO_BOGOSITY.
9967 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9968 (hp_sysfile): Add missing comma.
9969 (math_exception): Put the wrapper ifdefs at the beginning and
9970 the end of the file.
9971 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9973 2000-02-01 Richard Henderson <rth@cygnus.com>
9975 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9976 Use CONST0_RTX. Update all callers.
9977 * sparc.h, sparc-protos.h: Update accordingly.
9978 * sparc.md (fp mov insns): Use fp_zero_operand directly
9981 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9983 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9986 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9988 * Makefile.in (specs.ready): New target.
9989 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9991 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9993 * fixinc.irix: Use unique filenames for writing into /tmp,
9994 * fixinc.ptx: Likewise.
9995 * fixinc.sco: Likewise.
9996 * fixinc.svr4: Likewise.
9997 * fixinc.winnt: Likewise.
9999 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10001 * tsystem.h: New file.
10003 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
10004 s-crtS): Depend on tsystem.h.
10006 * crtstuff.c: Include tsystem.h.
10007 * frame.c: Likewise.
10008 * libgcc2.c: Likewise.
10010 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
10012 * builtins.c (expand_builtin_memset): Expand for variable sized
10015 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
10017 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
10020 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10022 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
10024 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
10026 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
10028 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
10029 case 3->2 combining (combining with splitting) in which 2 is CC0
10030 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
10031 checked at the begining of the function with the aid of calling
10032 function 'can_combine_p'.
10034 2000-01-31 Dave Brolley <brolley@redhat.com>
10036 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
10038 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
10040 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
10043 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10045 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
10047 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
10050 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10052 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
10053 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
10054 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
10055 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
10056 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
10057 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
10058 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
10059 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
10060 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
10061 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
10063 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
10064 Add %(cpp_cpu) to CPP_SPEC.
10066 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
10067 Add %(cc1_cpu) to CC1_SPEC.
10069 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10071 * c-decl.c (c_decode_option): Accept optional numeric argument to
10072 -Wformat and set warn_format.
10073 * c-common.c: Don't emit warning about non-constant printf format
10074 string unless warn_format > 1.
10076 2000-01-30 Richard Henderson <rth@cygnus.com>
10078 * alpha.md (return_internal): Allow after reload only.
10080 2000-01-30 Richard Henderson <rth@cygnus.com>
10082 * i386.c (ix86_compute_frame_size): Omit padding1 if the
10083 local frame size is zero.
10085 2000-01-30 Richard Henderson <rth@cygnus.com>
10087 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
10088 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
10089 * alpha.md (return): Turn into an expander.
10090 (return_internal): Don't use $26.
10091 (epilogue): Emit the return insn.
10093 2000-01-30 Richard Henderson <rth@cygnus.com>
10095 * alpha.md (negtf2, abstf2): Fix word order thinko.
10096 (extendsftf2): New.
10097 (trunctfsf2): Avoid intermediate rounding errors.
10099 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10101 * cppfiles.c (find_position): Drop 'colp' argument, return the
10103 (read_and_prescan): Adjust to match. Don't ever manipulate
10104 line or line_base except via find_position.
10106 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10108 * c-parse.in: Apply Ulrich's changes from c-parse.y.
10109 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
10112 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10114 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
10115 just print "<command line>". If 'filename' is null or an
10116 empty string, print "<stdin>" for the filename.
10117 * cpplib.c (do_define): Don't print the 'location of the
10118 previous definition' message if we're still parsing the
10120 (cpp_pedwarn_with_file_and_line): Always call
10121 cpp_file_line_for_message.
10123 2000-01-29 Mark Mitchell <mark@codesourcery.com>
10125 * flow.c (mark_regs_live_at_end): Fix typo.
10127 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10129 * c-common.c: Adjust variable names, comments, help strings to c99.
10130 * c-lex.c: Likewise.
10131 * c-parse.y: Likewise.
10132 * c-tree.h: Likewise.
10133 * cccp.c: Likewise.
10134 * cpplib.h: Likewise.
10135 * c-decl.c: Likewise. Recognize options with names "*99" as well.
10136 * cppinit.c: Likewise.
10138 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10140 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
10141 * c4x.c: Define the optab rtx values.
10142 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
10143 (c4x_emit_libcall): Use new optab rtx values.
10144 (c4x_emit_libcall3): Likewise.
10145 (c4x_emit_libcall_mulhi): Likewise.
10146 * c4x-protos.h: Add prototypes for optab rtx values and change
10147 prototypes for above c4x_emit_libcall functions.
10149 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10151 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
10153 (c4x_function_prologue): Use regnames intead of float_reg_names when
10155 (c4x_function_epilogue): Likewise.
10156 (c4x_print_operand): Likewise.
10157 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
10158 * c4x.md (set_high): Disable for TARGET_TI.
10160 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10162 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
10163 of framepointer + constant to ADDR_REGS class.
10164 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
10165 * c4x.c (std_or_reg_operand): New function.
10166 * c4x-protos.h (std_or_reg_operand): Prototype it.
10168 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10170 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
10171 object names as libgcc2.c.
10172 * libgcc.S: Use newly defined names.
10174 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
10175 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
10177 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
10178 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
10179 (FLOW_LOOP_LAST_BLOCK): Likewise.
10181 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10183 * basic-block.h (struct loop): New fields 'first' and 'last'.
10184 * flow.c (flow_loops_find): Compute loop->first and loop->last.
10185 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
10186 and loop->last to check for NOTE_INSN_LOOP_END.
10188 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
10190 * predict.c (estimate_probability): Use the new FIRST and LAST fields
10191 of the loop descriptor rather than HEADER and LATCH. Also added
10192 missing break statements as well making some coding style modifications
10193 as suggested by Michael Hayes.
10195 2000-01-28 Richard Henderson <rth@cygnus.com>
10197 * flow.c (find_basic_blocks): Remove do_cleanup argument.
10198 Break out that code ...
10199 (cleanup_cfg): ... here.
10200 (commit_one_edge_insertion): Detect a return instruction being
10201 emitted to an edge. Emit a barrier following; clear fallthru.
10202 (commit_edge_insertions): Verify CFG consistency.
10203 * function.c (expand_function_start): Kill unused variable.
10204 (expand_function_end): Likewise.
10205 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
10206 to insert the epilogue.
10208 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
10209 (delete_null_pointer_checks): Likewise.
10210 * output.h: Likewise.
10211 * reg-stack.c (reg_to_stack): Likewise.
10212 * toplev.c (rest_of_compilation): Likewise. Run
10213 thread_prologue_and_epilogue_insns after rebuilding the CFG.
10215 2000-01-28 Richard Henderson <rth@cygnus.com>
10217 * Makefile.in (flow.o): Revert 24 Jan change.
10218 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
10219 FUNCTION_VALUE result to DECL_RESULT's mode.
10221 * haifa-sched.c (schedule_insns): Don't recompute reg info
10224 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
10226 * configure.in: Make --enable-cpplib the default.
10227 * configure: Regenerate.
10228 * gcc.dg/990119-1.c: No longer expected to fail.
10230 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
10232 * jump.c (jump_optimize_1): Delete an optimization that is also done
10233 by merge_blocks in flow.
10235 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10237 * diagnostic.c (build_message_string, output_printf,
10238 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10239 (build_location_prefix): Fix non-literal format string.
10241 2000-01-27 Richard Henderson <rth@cygnus.com>
10243 * alpha.md (trunctfsf2): New.
10245 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10247 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10249 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10251 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10253 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10255 (skip_comment) ... here. Permit C++ comments in system
10256 headers always. Warn about C++ comments in user code under
10257 -std=gnu89 -pedantic.
10258 (copy_comment): Use skip_comment.
10259 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10261 (consider_directive_while_skipping, do_else, do_endif): Call
10262 validate_else unconditionally.
10263 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10264 text after the conditional in a system header.
10265 * cpplib.h (struct cpp_buffer): Add flag
10266 warned_cplusplus_comments.
10268 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10270 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10271 Use unshare_all_rtl_1.
10272 (unshare_all_rtl_again): New function.
10273 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10275 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10276 rather than resetting the 'used' flags ourself.
10278 * toplev.c (rest_of_compilation): Add current_function_decl
10279 to the unshare_all_rtl call.
10280 * tree.h: Prototype unshare_all_rtl.
10281 * rtl.h: Prototype unshare_all_rtl_again here.
10283 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10285 * genoutput.c (output_prologue): Include ggc.h in generated
10287 * Makefile.in (insn-output.o): Depends on ggc.h.
10289 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10290 Hans-Peter Nilsson <hp@bitrange.com>
10292 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10293 Remove redundant include of xm-ns32k.h.
10294 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10295 Remove redundant include of xm-ns32k.h.
10296 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10297 Remove redundant include of xm-ns32k.h.
10298 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10300 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10301 (TARGET_SWITCHES): Add documentation strings.
10302 (DWARF_FRAME_REGNUM): Override default definition.
10303 (REG_CLASS_CONTENTS): Add comments.
10304 (SUBSET_P): Format to reduce line length.
10305 (SMALL_REGISTER_CLASSES): Make a run time option.
10306 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10307 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10308 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10309 (regclass_map): fix typo in comment.
10310 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10311 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10312 (trace, reg_or_mem_operand): Delete, unused function.
10313 (calc_address_cost): Small offsets are cheaper than large ones.
10314 (expand_block_move): Generate more efficient code when bytes is a
10315 known at compile time.
10316 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10317 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10318 instead of reg_or_mem_operand.
10320 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10321 not general_operand. Similarly use "=rm" or stricter, not "=g".
10322 For input operands, use stricter constraints than "g" if not
10323 general_operand. Similarly use stricter predicate than
10324 "general_operand" when stricter constraints than "g" are present,
10325 except for matching constraints.
10326 (movstrsi): Use "memory_operand" for operands 0 and 1.
10327 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10328 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10329 not reg_or_mem_operand.
10330 (udivmoddisi4): Ditto.
10331 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10332 Use nonimmediate_operand for operand 3, not register_operand.
10333 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10334 reg_or_mem_operand.
10336 2000-01-27 Fred Fish <fnf@be.com>
10338 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10339 * gthr-single.h: Likewise.
10340 * gthr-solaris.h: Likewise.
10341 * gthr-vxworks.h: Likewise.
10342 * gthr-win32.h: Likewise.
10343 * gthr.h: Likewise.
10345 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10347 * cppinit.c: Add " (cpplib)" to end of string printed by
10350 2000-01-27 Richard Henderson <rth@cygnus.com>
10352 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10353 testing for a signed comparison.
10354 (alpha_emit_floatuns): New.
10355 * alpha-protos.h: Declare it.
10356 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10357 (extendsfdf2): Tidy.
10359 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10361 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10362 no -g option specifying debugging format, default to -gstabs+.
10364 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10366 * calls.c (special_function_p): New argument fork_or_exec.
10367 (expand_call): When profile_arc_flag is set and the function
10368 is in the fork_or_exec group, call __bb_fork_func first.
10369 * libgcc2.c, _bb module (__bb_fork_func): New function.
10370 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10372 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10373 * tree.h (special_function_p): Update prototype.
10375 2000-01-26 Richard Henderson <rth@cygnus.com>
10377 * alpha.c (alpha_split_tfmode_pair): New.
10378 * alpha-protos.h: Declare it.
10379 * alpha.md (abstf2, negtf2): New.
10380 (movtf insn): Add input G constraint.
10381 (movtf splitter): Use alpha_split_tfmode_pair.
10383 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10385 * i386/cygwin.h: PROTO -> PARAMS.
10387 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10389 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10390 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10391 using _Qp_cmp/_Q_cmp and testing the return value.
10392 (print_operand): Call reverse_condition_maybe_unordered if
10393 we are handling CCFPmode or CCFPEmode.
10394 Handle ORDERED, UN* and LTGT comparisons.
10395 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10396 if not TARGET_HARD_QUAD.
10397 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10398 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10399 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10400 Adjust gen_b* calls so that they reflect return comparison of
10401 sparc_emit_float_lib_cmp.
10403 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10405 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10406 incoming operands array is large enough for one more operand.
10407 (alpha_emit_xfloating_arith): Likewise.
10409 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10411 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10412 file with one line and no trailing newline.
10413 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10414 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10415 checking if the match is on the line.
10416 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10418 2000-01-25 Richard Henderson <rth@cygnus.com>
10420 * sparc.c (output_cbranch): Fix accidental squashing of the
10421 fp branch pre-delay nop.
10423 2000-01-25 Richard Henderson <rth@cygnus.com>
10425 * tree.def (UNNE_EXPR): Remove.
10426 * c-typeck.c (build_binary_op): Don't handle it.
10427 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10429 * rtl.def (UNNE): Remove.
10431 * jump.c (reverse_condition): Update accordingly.
10432 (swap_condition): Likewise.
10433 (comparison_dominates_p): Handle unordered comparisons.
10434 (reverse_condition_maybe_unordered): New.
10435 * rtl.h (reverse_condition_maybe_unordered): Declare.
10437 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10438 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10439 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10440 * sparc.md (bltgt): New.
10442 2000-01-25 Nick Clifton <nickc@redhat.com>
10444 * emit-rtl.c (emit_insn): Only check machine class insns for
10445 improper emission of a RETURN.
10447 2000-01-25 Richard Henderson <rth@cygnus.com>
10449 * Makefile.in (flow.o): Depend on $(EXPR_H).
10450 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10451 duplicate the structure of diddle_return_value for keeping regs live.
10453 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10455 * loop.c (current_loop_info): Delete.
10456 (consec_sets_invariant_p): Add loop argument, update callers.
10457 (get_condition_for_loop): Likewise.
10458 (count_nonfixed_reads, update_giv_derive): Likewise.
10459 (simplify_giv_expr, general_induction_var): Likewise.
10460 (consec_sets_giv, recombine_givs): Likewise.
10461 (move_movables): Delete loop_start and loop_end arguments,
10462 add loop argument, and update callers.
10463 (find_mem_givs, check_final_value): Likewise.
10464 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10465 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10467 (basic_induction_var): Add loop argument, delete loop_level argument,
10468 and update callers.
10469 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10470 add loop argument, and update callers.
10471 (find_splittable_regs, find_splittable_givs): Likewise.
10472 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10473 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10474 (biv_total_increment): Delete loop_start and loop_end arguments;
10476 (precondition_loop_p): Delete loop_start and loop_info arguments;
10478 * loop.h (get_condition_for_loop): Add loop argument.
10479 (biv_total_increment): Delete loop_start and loop_end arguments.
10480 (precondition_loop_p): Delete loop_start and loop_info arguments;
10482 (final_biv_value): Delete loop_start and loop_end arguments;
10484 (final_giv_value, back_branch_in_range_p): Likewise.
10486 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10488 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10490 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10492 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10493 point to the new "generated_files" doc.
10495 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10497 * config/fp-bit.c (_unord_f2): Fix typo.
10499 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10501 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10502 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10503 functions obsoleted by GC, such as push_obstacks_nochange,
10504 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10505 and code which existed only to decide whether or not to call
10506 them. Remove now-unused NESTED argument from start_function;
10507 all callers changed. Do not change behavior based on ggc_p.
10508 The use of the ixp_obstack in c-iterate.c and the util_obstack
10509 in objc/objc-act.c remain; these are not obsoleted by garbage
10511 * c-tree.h: Update prototype for start_function.
10513 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10515 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10517 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10520 2000-01-25 Richard Henderson <rth@cygnus.com>
10522 * sparc-protos.h (select_cc_mode): Declare.
10523 * sparc.c (select_cc_mode): New. Handle unordered compares.
10524 (output_cbranch): Always reverse via code change. Handle
10525 unordered compares. Factor tests and string updates.
10526 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10527 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10528 * sparc.md (bunordered, bordered): New.
10529 (bungt, bunlt, buneq, bunge, bunle): New.
10531 2000-01-25 Richard Henderson <rth@cygnus.com>
10533 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10534 * ggc-common.c (ggc_add_rtx_varray_root): New.
10535 (ggc_mark_rtx_varray): New.
10536 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10537 functions down below ggc_mark_foo.
10538 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10540 2000-01-25 Richard Henderson <rth@cygnus.com>
10542 * alpha.c (secondary_reload_class): Don't allocate a secondary
10543 for integral mode memories into FLOAT_REGS. Rearrange the more
10544 complicated memory expression inward.
10546 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10548 * inclhack.def: Fixes to play nicer with FreeBSD, and
10549 corrections to comments.
10550 (cxx_unready): Add select expression.
10551 (irix_sockaddr): Add bypass expression.
10552 (machine_ansi_h_va_list): New fix.
10553 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10554 Split out addition of "#include <stdarg.h>" to...
10555 (stdio_stdarg_h): ... here.
10556 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10557 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10558 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10560 (ultrix_ifdef): Tighten up select expression.
10562 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10563 re_ct and max_mach to avoid use of shell. Make printed names
10564 match names in inclhack.def. Use static copyright date.
10565 Don't count c_test and test expressions as requiring regex_t
10566 slots. Add some commentary.
10567 * inclhack.tpl: Do not include the 'This script contains N
10568 fixup scripts' line if PROGRAM is defined. Use static
10571 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10573 * dwarf2out.c: include "varray.h", not dyn-string.h.
10574 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10575 (addr_const_to_string, addr_to_string): Lose.
10576 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10577 (struct dw_val_struct): val_addr is now an rtx.
10578 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10579 (used_rtx_varray): New varray.
10580 (dwarf2out_init): Initialize it.
10581 (save_rtx): New fn.
10582 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10584 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10585 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10586 * Makefile.in (dwarf2out.o): Update dependencies.
10588 2000-01-24 Richard Henderson <rth@cygnus.com>
10590 * i386.c (i386_dwarf_output_addr_const): New.
10591 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10593 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10595 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10596 * i386.c (i386_simplify_dwarf_addr): New.
10597 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10599 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10601 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10602 TYPE_STUB_DECL is NULL.
10604 2000-01-24 Richard Henderson <rth@cygnus.com>
10606 * builtins.c (expand_tree_builtin): Move ...
10607 * c-common.c (expand_tree_builtin): ... here.
10609 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10611 * loop.h (LOOP_INFO): New accessor macro.
10612 * basic-block.h (struct loop): Rename field `info' to `aux'.
10613 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10614 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10615 * unroll.c (loop_iterations, unroll_loop): Likewise.
10617 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10619 * config/i386/t-cygwin: Accomodate new winsup directory layout
10620 when searching for include files.
10622 2000-01-24 Richard Henderson <rth@cygnus.com>
10624 * rtl.def: Add unordered fp comparisions.
10625 * tree.def: Likewise.
10626 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10628 * builtins.c (expand_tree_builtin): New function.
10629 * c-typeck.c (build_function_call): Use it.
10630 (build_binary_op): Support unordered compares.
10631 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10633 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10634 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10635 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10636 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10637 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10639 (swap_condition): Handle unordered compares.
10640 (thread_jumps): Check can_reverse before reversing.
10641 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10644 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10645 setcc is present before acking for cmp_optab. Update all callers.
10646 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10647 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10648 * expr.c (expand_expr): Likewise. Support unordered compares.
10649 (do_jump, do_store_flag): Likewise.
10650 * expr.h (enum libfunc_index): Add unordered compares.
10652 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10653 (DPBIT_FUNCS): Add _unord_df.
10654 * config/fp-bit.c (_unord_f2): New.
10655 * fp-test.c (main): Try unordered compare builtins.
10657 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10658 * alpha.c (alpha_comparison_operator): Check mode properly.
10659 (alpha_swapped_comparison_operator): Likewise.
10660 (signed_comparison_operator): Likewise.
10661 (alpha_fp_comparison_operator): New.
10662 (alpha_emit_conditional_branch): Handle unordered compares.
10663 * alpha.h (PREDICATE_CODES): Update.
10664 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10665 (bunordered, bordered): New.
10667 2000-01-24 Richard Henderson <rth@cygnus.com>
10669 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10670 * alpha.md (movtf): New expander, insn, and splitter.
10672 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10674 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10677 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10679 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10680 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10681 REG_ALLOC_ORDER): Add frame pointer
10682 (FRAME_POINTER_REGNUM): Set to 20
10683 (HARD_FRAME_POINTER_REGNUM): New macro.
10684 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10685 to HARD_FRAME_POINTER.
10686 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10687 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10688 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10689 (HI_REGISTER_NAMES): Add "frame".
10690 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10691 (debug_reg): Handle FRAME_POINTER_REGNUM.
10692 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10693 GENERAL_REGS and INDEX_REGS.
10694 * i386.c (SAVED_REGS_FIRST): new macro.
10695 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10696 (ix86_decompose_address, memory_address_length): Likewise.
10697 (regclass_map): Add frame pointer.
10698 (call_insn_operand): Handle frame_pointer_rtx.
10699 (reg_no_sp_operand): Likewise.
10700 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10701 (print_operand, legitimize_pic_address): Fix formating.
10702 (ix86_compute_frame_size): Make static, update prototype, new
10703 parameters padding1, padding2, use ix86_nsaved_regs, use
10704 stack_alignment_needed.
10705 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10706 to HARD_FRAME_POINTER_REGNUM conversions.
10707 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10708 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10709 (print_reg): Abort on FRAME_POINTER_REGNUM
10711 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10713 * i386.h (PREDICATE_CODES): Add aligned_operand.
10714 * i386.c (aligned_operand): New function.
10715 (ix86_aligned_p): Kill.
10716 * i386.md (movhi_1): Emit mov for aligned operands.
10717 (promoting peep2s): Use aligned_operand.
10719 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10721 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10722 expression to allow underscores in macro names.
10723 (fix_char_macro_defines): Increment scanning pointer.
10725 2000-01-23 Richard Henderson <rth@cygnus.com>
10727 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10728 * alpha/osf5.h: New file.
10729 * configure.in (alpha-*-osf5): Add it to tm_file.
10731 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10733 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10734 (alpha_emit_xfloating_cvt, function_arg): Declare.
10735 * alpha.c (alpha_emit_conditional_branch): Call
10736 alpha_emit_xfloating_compare for TFmode compares.
10737 (alpha_lookup_xfloating_lib_func): New.
10738 (alpha_compute_xfloating_mode_arg): New.
10739 (alpha_emit_xfloating_libcall): New.
10740 (alpha_emit_xfloating_arith): New.
10741 (alpha_emit_xfloating_compare): New.
10742 (alpha_emit_xfloating_cvt): New.
10743 (print_operand): Add default abort case.
10744 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10745 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10746 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10747 (RETURN_IN_MEMORY): True for TF/TCmode.
10748 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10749 (FUNCTION_ARG): Move to function_arg.
10750 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10751 (ASM_OUTPUT_LONG_DOUBLE): New.
10752 (ASM_OUTPUT_DOUBLE): Always output bits.
10753 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10754 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10755 (extenddftf2, trunctfdf2): New.
10757 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10759 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10760 * config/sparc/sol2.h: ... here.
10762 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10764 * basic-block.h (struct loops): New field `levels'.
10765 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10766 (flow_loop_level_compute): Initialise level to 1.
10767 (flow_loops_find): Set loops->levels.
10768 (flow_loops_dump): Print loops->levels.
10770 2000-01-23 Richard Henderson <rth@cygnus.com>
10772 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10773 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10775 2000-01-23 Richard Henderson <rth@cygnus.com>
10777 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10778 * i386.h (DBX_REGISTER_NUMBER): Use them.
10779 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10780 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10781 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10782 * i386/sequent.h: Kill incorrect comment.
10784 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10786 * ggc-page.c (struct page_entry): Make `context_depth' an
10788 (struct globals): Likewise.
10790 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10792 * loop.c (check_dbra_loop): When checking a loop for
10793 reversability, check the source of any stores to ensure
10794 they don't depend on an initial value.
10796 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10798 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10800 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10802 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10803 'pz_scan' into scope of entire function. Only affects
10804 compiles with -DDEBUG.
10806 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10808 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10809 section naming to that prior to 2000-01-07 patch.
10810 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10811 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10812 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10813 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10814 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10816 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10818 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10821 2000-01-21 Jim Wilson <wilson@cygnus.com>
10823 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10824 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10826 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10828 * cpphash.c (change_newlines): Delete function.
10829 (struct argdata): Delete 'newlines' and 'use_count' fields.
10830 (macroexpand): Remove code referencing those fields.
10832 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10834 * loop.c (loops_info): New variable.
10835 (loop_optimize): Allocate loops->array and free it on exit.
10836 Allocate memory for loops_info and assign to each loop,
10838 (find_and_verify_loops): Do not allocate loops->array.
10840 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10842 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10844 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10846 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10847 pseudos if expanded after first flow.
10848 (movdi_pic_label_ref): Likewise.
10850 2000-01-20 Richard Henderson <rth@cygnus.com>
10852 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10854 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10856 * Makefile.in (fixinc.sh): Depend on specs.
10857 * fixinc/Makefile.in: Add rule to create machname.h.
10858 (fixlib.o): Depend on machname.h.
10859 * fixinc/fixtests.c (machine_name): New test.
10860 * fixinc/fixfixes.c (machine_name): New fix.
10861 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10862 the machine_name test and fix.
10863 * fixinc/fixlib.h: Prototype it.
10864 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10865 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10867 * gcc.c (do_spec_1) [case P]: Take care not to create
10868 identifiers with three leading or trailing underscores.
10870 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10871 (fixincl): Don't specify libraries twice on link line.
10872 (gnu-regex.o): Remove special rule.
10873 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10874 defined by config.h. Do not define _REGEX_RE_COMP.
10875 (regcomp): Allocate and initialize a fastmap.
10876 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10878 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10880 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10882 2000-01-19 Richard Henderson <rth@cygnus.com>
10884 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10885 arguments with BB. Update all callers. Tidy line wrapping.
10887 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10889 * emit-rtl.c (try_split): Return last_insn if we split the
10892 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10894 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10895 (ix86_initial_elimination_offset): Declare.
10896 * i386.c (ix86_nsaved_regs): Break out from ...
10897 (ix86_can_use_return_insn_p): ... here.
10898 (ix86_emit_save_regs): Break out from ...
10899 (ix86_expand_prologue): ... here.
10900 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10902 (ix86_expand_epilogue): ... here.
10903 (ix86_compute_frame_size): Make static, add prototype.
10904 (ix86_initial_elimination_offset): Break out from ...
10905 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10907 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10909 * recog.h (OUT_FCN): Delete.
10911 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10913 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10915 * cppalloc.c: PROTO -> PARAMS.
10916 * cpperror.c: Likewise.
10917 * cppfiles.c: Likewise.
10918 * cpplib.c: Likewise.
10919 * cpplib.h: Likewise.
10921 * config/arm/arm-protos.h: PROTO -> PARAMS.
10922 * config/arm/arm.c: Likewise.
10923 * config/c4x/c4x.c: Likewise.
10924 * config/fr30/fr30-protos.h: Likewise.
10925 * config/nextstep.c: Likewise.
10926 * config/pa/pa.c: Likewise.
10927 * config/pj/pj.c: Likewise.
10928 * config/rs6000/rs6000.c: Likewise.
10929 * config/v850/v850-protos.h: Likewise.
10930 * config/v850/v850.c: Likewise.
10932 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10934 * i370-protos.h: New file.
10936 * i370.c: Include tm_p.h. Fix compile time warnings.
10938 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10941 * i370.md: Likewise.
10943 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10945 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10946 (target_isinf, target_isnan, eisnan): Mark parameter with
10948 (eiisinf): Wrap in INFINITY.
10949 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10950 (ibmtoe): Remove unused variable `rndsav'.
10952 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10954 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10955 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10957 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10959 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10960 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10961 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10963 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10964 Recognize Emacs mode markers also.
10965 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10966 C++ comments in C++ headers. Call is_cxx_header only if
10969 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10970 bypass for ncurses.
10971 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10972 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10973 ... these, which use the new C fixes.
10974 (math_exception): Escape literal '+' in bypass expression.
10976 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10979 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10981 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10984 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10986 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10987 prior to calling scan_loop.
10989 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10991 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10992 (split_branches, calc_live_regs): Likewise.
10994 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10996 * sh.md (fpu_single, fp_mode): New attributes.
10998 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11000 * loop.c (current_loop_info): Renamed from loop_info_data
11001 and changed to a pointer.
11002 (loop_optimize): Allocate loop_info structure for each loop
11003 and initialise to zero.
11004 (scan_loop): Set current_loop_info.
11006 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
11009 2000-01-19 Richard Henderson <rth@cygnus.com>
11011 * stupid.c: Die die die.
11012 * Makefile.in (OBJS): Remove stupid.o.
11013 (stupid.o): Likewise.
11015 * except.c (emit_eh_context): Don't emit USEs for stupid.
11016 * explow.c (probe_stack_range): Likewise.
11017 * flags.h (obey_regdecls): Remove.
11018 * flow.c (find_basic_blocks): Don't run try_merge_blocks
11019 when not optimizing.
11020 (life_analysis): Limit data collection when not optimizing.
11021 (mark_regs_live_at_end): Always mark the return value registers.
11022 (mark_used_regs): Remove dummy RETURN case.
11023 (print_rtl_with_bb): Don't consult obey_regdecls.
11024 * function.c (use_variable, use_variable_after): Remove.
11025 (assign_parms): Consult optimize not obey_regdecls.
11026 (expand_function_start): Don't emit USEs for stupid.
11027 (expand_function_end): Likewise.
11028 * global.c (build_insn_chain): Export.
11029 * integrate.c (expand_inline_function): Kill return-value USE
11031 * jump.c (jump_optimize_1): Do simple jump optimizations and
11032 dead code elimination.
11033 (calculate_can_reach_end): Remove check_deleted argument.
11034 (delete_insn): Patch out insns even when not optimizing.
11035 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
11036 * rtl.h (use_variable, use_variable_after): Remove declarations.
11037 (build_insn_chain): Declare.
11038 * stmt.c (expand_value_return): Don't emit USEs for stupid.
11039 (expand_end_bindings): Likewise.
11040 (expand_decl): Likewise. Consult optimize not obey_regdecls.
11041 * toplev.c (obey_regdecls): Remove.
11042 (rest_of_compilation): Don't set it. Kill stupid in favour of
11043 flow1, local-alloc, and reload.
11044 (main): Don't set obey_regdecls.
11046 * config/nextstep.c (handle_pragma): Likewise.
11048 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
11050 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
11052 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11054 * alpha-protos.h: PROTO -> PARAMS.
11055 * alpha.c: Likewise.
11057 * h8300.c: Likewise.
11058 * i386-protos.h: Likewise.
11059 * i386.c: Likewise.
11060 * m32r-protos.h: Likewise.
11061 * m32r.c: Likewise.
11062 * mips.c: Likewise.
11063 * mips.md: Likewise.
11064 * gmon-sol2.c: Likewise.
11065 * sparc.c: Likewise.
11067 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11069 * ns32k-protos.h: New file.
11071 * ns32k.c: Fix compile time warnings.
11073 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
11076 * ns32k.md: Likewise.
11078 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11080 * vax-protos.h: New file.
11082 * vax.c: Fix compile time warnings.
11084 * vax.h: Move prototypes to vax-protos.h. Fix compile time
11087 * vax.md: Likewise.
11089 * vaxv.md: Likewise.
11091 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11093 * romp-protos.h: New file.
11095 * romp.c: Fix compile time warnings.
11097 * romp.h: Move prototypes to romp-protos.h. Fix compile time
11100 * romp.md: Likewise.
11102 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11104 * we32k-protos.h: New file.
11106 * we32k.c: Fix compile time warnings.
11108 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
11111 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11113 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
11115 * except.c (eh_regs): Likewise.
11117 * final.c (output_operand): Likewise.
11119 * fold-const.c (target_isinf, target_isnan): Likewise.
11121 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11123 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
11124 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
11126 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
11127 when optimize_size.
11128 (clrstrsi): Rewrite.
11129 (strsethi, strsetqi): New expanders.
11130 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
11131 (cmpstrsi): Emit compare insn before cmpstrsi_1
11132 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
11133 (strlensi_1): Likewise.
11134 (cmpstrsi_1): Likewise; do not output compare.
11135 (strlen expander): Do not unroll when optimizing for size.
11136 (*subsi3_carry): Rename to subsi3_carry
11137 (addqi3_cc): New pattern.
11138 * i386.h (processor_costs): Add move_ratio field.
11139 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
11140 * i386.c (*_cost): Set move_ratio.
11141 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
11142 (x86_expand_strlensi_1): Rewrite the main loop.
11144 2000-01-17 Richard Henderson <rth@cygnus.com>
11146 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
11147 * cse.c (find_comparison_args, fold_rtx): Likewise.
11148 * integrate.c (subst_constants): Likewise.
11149 * loop.c (get_condition): Likewise.
11151 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
11153 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
11155 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11157 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
11158 (RESTORE_WARN_FLAGS): Unpack it.
11159 Change semantic type of extension to ttype.
11160 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
11161 * c-parse.y, c-parse.c, objc/objc-parse.y,
11162 objc/objc-parse.c: Regenerate.
11164 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
11166 * fixinc/fixlib.c: Add copyright notice.
11167 (compile_re): New function.
11168 * fixinc/fixlib.h: Prototype compile_re.
11170 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
11171 Use compile_re to compile regular expressions.
11173 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
11174 where the pattern matched.
11176 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
11178 (ultrix_ansi_compat): Likewise.
11179 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
11181 (interactv_add2, interactv_add3): Delete.
11182 (x11_sprintf): Don't use filename glob.
11183 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
11186 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11188 * print-rtl.c: PROTO -> PARAMS.
11189 * real.c: Likewise.
11190 * reg-stack.c: Likewise.
11191 * resource.c: Likewise.
11192 * sdbout.h: Likewise.
11193 * simplify-rtx.c: Likewise.
11194 * stor-layout.c: Likewise.
11195 * stupid.c: Likewise.
11196 * xcoffout.c: Likewise.
11197 * xcoffout.h: Likewise.
11199 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11201 * toplev.c: PROTO -> PARAMS.
11202 * toplev.h: Likewise.
11203 * tree.c: Likewise.
11204 * tree.h: Likewise.
11205 * unroll.c: Likewise.
11206 * varasm.c: Likewise.
11207 * varray.c: Likewise.
11208 * varray.h: Likewise.
11210 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11212 * reload.c: PROTO -> PARAMS.
11213 * reload.h: Likewise.
11214 * reload1.c: Likewise.
11215 * reorg.c: Likewise.
11216 * resource.h: Likewise.
11219 * rtlanal.c: Likewise.
11220 * sbitmap.h: Likewise.
11221 * sdbout.c: Likewise.
11222 * stack.h: Likewise.
11223 * stmt.c: Likewise.
11224 * system.h: Likewise.
11226 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11228 * machmode.h: PROTO -> PARAMS.
11229 * mbchar.h: Likewise.
11230 * mips-tdump.c: Likewise.
11231 * mips-tfile.c: Likewise.
11232 * optabs.c: Likewise.
11233 * output.h: Likewise.
11234 * prefix.c: Likewise.
11235 * profile.c: Likewise.
11236 * protoize.c: Likewise.
11237 * real.h: Likewise.
11238 * recog.c: Likewise.
11239 * recog.h: Likewise.
11240 * regclass.c: Likewise.
11241 * regmove.c: Likewise.
11242 * regs.h: Likewise.
11244 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11246 * ggc-common.c: PROTO -> PARAMS.
11247 * ggc-page.c: Likewise.
11248 * ggc-simple.c: Likewise.
11250 * global.c: Likewise.
11251 * graph.c: Likewise.
11252 * gthr-win32.h: Likewise.
11253 * haifa-sched.c: Likewise.
11254 * halfpic.h: Likewise.
11255 * integrate.c: Likewise.
11256 * integrate.h: Likewise.
11257 * jump.c: Likewise.
11259 * local-alloc.c: Likewise.
11260 * loop.c: Likewise.
11261 * loop.h: Likewise.
11263 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11265 * genattr.c: PROTO -> PARAMS.
11266 * genattrtab.c: Likewise.
11267 * gencheck.c: Likewise.
11268 * gencodes.c: Likewise.
11269 * genconfig.c: Likewise.
11270 * genemit.c: Likewise.
11271 * genextract.c: Likewise.
11272 * genflags.c: Likewise.
11273 * gengenrtl.c: Likewise.
11274 * genopinit.c: Likewise.
11275 * genoutput.c: Likewise.
11276 * genpeep.c: Likewise.
11277 * genrecog.c: Likewise.
11279 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11281 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11283 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11285 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11286 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11287 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11288 * configure, config.in: Rebuilt.
11290 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11292 * config/i386/i386.md: Add peephole to merge successive stack
11295 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11297 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11298 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11299 when walking backwards to find all the parameter loads when
11300 the basic block ends in a call.
11302 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11304 * loop.c (this_loop_info): Delete.
11305 (uid_loop): Add in place of uid_loop_num. All uses updated.
11306 (loop_number_exit_count): Delete and replace with entry in loop
11307 structure. All uses updated.
11308 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11309 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11310 (loop_outer_loop): Likewise.
11311 (loop_invalid, loop_number_exit_labels): Likewise.
11312 (loop_used_count_register): Delete and replace with entry in
11313 loop_info structure.
11314 (find_and_verify_loops): Add loops argument.
11315 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11316 loop_end, etc. arguments with loop structure pointer. All callers
11318 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11319 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11320 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11321 (insert_bct): Likewise.
11322 (basic_induction_var): New argument level.
11323 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11324 vtop, and cont. Add used_count_register.
11325 (uid_loop): Delete declaration.
11326 (loop_number_exit_count): Likewise.
11327 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11328 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11329 (loop_outer_loop, loop_used_count_register): Likewise.
11330 (loop_invalid, loop_number_exit_labels): Likewise.
11331 (unroll_loop): Replace loop_start and loop_end arguments
11332 with loop structure pointer.
11333 (loop_precondition_p, loop_iterations): Likewise.
11334 Include basic-block.h.
11335 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11336 with loop structure pointer.
11337 (loop_precondition_p, loop_iterations): Likewise.
11338 * basic-block.h (struct loop): New entries vtop, cont,
11339 cont_dominator, start, end, top, scan_start, exit_labels,
11341 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11343 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11345 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11347 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11349 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11351 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11353 * pdp11-protos.h: New file.
11355 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11358 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11361 * pdp11.md: Likewise.
11363 * 2bsd.h: Likewise.
11365 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11367 * mn10300-protos.h: New file.
11369 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11372 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11375 * mn10300.md: Likewise.
11377 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11379 * mn10200-protos.h: New file.
11381 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11384 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11387 * mn10200.md: Likewise.
11389 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11391 * h8300-protos.h: New file.
11393 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11396 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11399 * h8300.md: Likewise.
11401 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11403 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11404 (asm_emit_uninitialised): Likewise.
11406 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11408 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11409 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11411 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11413 * config/mips/mips.c (override_options): Don't turn on extra
11414 alignment for mips16.
11416 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11418 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11419 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11422 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11424 * builtins.c (PAD_VARARGS_DOWN): Define.
11425 (std_expand_builtin_va_arg): Use the above macro.
11426 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11427 * tm.texi (Register Arguments): Document the above macro.
11429 2000-01-14 Nick Clifton <nickc@cygnus.com>
11431 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11432 that this function has not been used to emit a jump
11435 * jump.c (return_jump_1): Cope with being passed a null rtx.
11437 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11439 * eh-common.h: PROTO -> PARAMS.
11440 * emit-rtl.c: Likewise.
11441 * errors.c: Likewise.
11442 * errors.h: Likewise.
11443 * except.c: Likewise.
11444 * except.h: Likewise.
11445 * explow.c: Likewise.
11446 * expmed.c: Likewise.
11447 * expr.c: Likewise.
11448 * expr.h: Likewise.
11449 * final.c: Likewise.
11450 * fix-header.c: Likewise.
11451 * flow.c: Likewise.
11452 * fold-const.c: Likewise.
11453 * function.c: Likewise.
11454 * function.h: Likewise.
11456 * gcov-io.h: Likewise.
11457 * gcov.c: Likewise.
11458 * gcse.c: Likewise.
11460 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11462 * sh-protos.h: New file.
11464 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11465 Add static prototypes. Fix compile time warnings.
11467 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11471 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11473 * arc-protos.h: New file.
11475 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11478 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11481 * arc.md: Likewise.
11483 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11485 * dsp16xx-protos.h: New file.
11487 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11490 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11493 * dsp16xx.md: Likewise.
11495 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11497 * convex-protos.h: New file.
11499 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11502 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11505 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11507 * elxsi-protos.h: New file.
11509 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11512 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11515 * elxsi.md: Likewise.
11517 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11519 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11520 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11521 match the comment for MIPS16.
11523 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11525 * flow.c (split_edge): Do not call set_block_for_insn if we
11526 do not have a basic_block_for_insn structure.
11528 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11529 and destination functions are 32bit aligned within the trampoline.
11530 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11531 (TRAMPOLINE_ALIGNMENT): Define.
11533 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11534 (set (pc) (label_ref)), verify the change creates a valid insn.
11536 * fr30.c (call_operand): Tighten and rework to match rules for
11537 call RTL expressions.
11538 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11539 * fr30.md (call patterns): Improve constraints.
11541 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11543 * fr30.c (fr30_expand_epilogue): Revert last change.
11544 Use emit_jump_insn for the return insn.
11546 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11547 Stan Cox <scox@cygnus.com>
11549 * predict.c: New file. Preliminary infrastructure work for static
11550 branch prediction and basic block reordering.
11551 * basic-block.h: Add prototype for estimate_probability.
11552 * Makefile.in: Add rules for predict.o.
11554 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11556 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11557 * fixinc/*: Likewise.
11559 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11561 * cccp.c: PROTO -> PARAMS.
11562 * cexp.y: Likewise.
11563 * collect2.c: Likewise.
11564 * combine.c: Likewise.
11565 * convert.h: Likewise.
11567 * dbxout.c: Likewise.
11568 * dbxout.h: Likewise.
11569 * diagnostic.c: Likewise.
11570 * doprint.c: Likewise.
11571 * dwarf2out.c: Likewise.
11572 * dwarf2out.h: Likewise.
11573 * dwarfout.c: Likewise.
11574 * dwarfout.h: Likewise.
11575 * dyn-string.h: Likewise.
11577 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11579 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11580 macro conditionals guarding use.
11582 * dwarf2out.c: Include "tm_p.h".
11584 * function.c (locate_and_pad_parm): Mark parameter with
11586 (expand_function_end): Likewise for variable `context'.
11588 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11590 2000-01-13 Nick Clifton <nickc@cygnus.com>
11592 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11593 register to prevent compile time warnings.
11595 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11597 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11598 to avoid -Wtraditional warning.
11600 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11602 * 1750a-protos.h: New file.
11604 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11607 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11610 * 1750a.md: Likewise.
11612 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11614 * a29k-protos.h: New file.
11616 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11619 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11622 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11624 * clipper-protos.h: New file.
11626 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11629 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11632 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11634 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11636 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11638 * configure.in (--enable-new-gxx-abi): New option.
11639 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11640 * Makefile.in (GXX_ABI_FLAG): New variable.
11641 * configure: Regenerate.
11643 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11645 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11646 * tm.texi (FORCE_STRUCT_BLK): Document.
11647 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11649 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11651 * config/ns32k/ns32k.md: Revert Jan 9 change.
11653 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11654 to a mode-test, if the predicate is address_operand.
11656 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11658 * combine.c (if_then_else_cond): Be careful about what kinds
11659 of RTL expressions are passed to operand_subword.
11661 * flow.c (split_edge): If we have to insert a new jump, make
11662 sure to associate it with a basic block.
11664 * flow.c (commit_one_edge_insertion): A block with one successor
11665 can end in a JUMP_INSN that is not a simplejump.
11667 2000-01-12 Robert Lipe <robertl@sco.com>
11669 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11670 (BUILD_VA_LIST_TYPE): Define.
11671 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11674 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11676 * cccp.c (do_pragma): Add cast to (char *).
11678 2000-01-12 Richard Henderson <rth@cygnus.com>
11679 Fred Fish <fnf@be.com>
11680 Jason Merrill <jason@cygnus.com>
11682 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11683 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11684 * i386/beos-elf.h, i386/beos-pe.h: New files.
11686 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11687 * cross-make (SYSTEM_HEADER_DIR): Define using
11688 CROSS_SYSTEM_HEADER_DIR.
11690 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11691 (process_command): Use it.
11692 (main): Likewise. Kill trailing = from env vars.
11693 (build_search_list): Put it back.
11694 * collect2.c (main): Use LIBRARY_PATH_ENV.
11696 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11697 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11699 * tm.texi (Frame Layout): Document SMALL_STACK.
11700 * c-common.c (c_common_nodes_and_builtins): Check it.
11702 * system.h: Undef alloca after including glibc's <stdlib.h>,
11703 if USE_C_ALLOCA is defined.
11705 * gcc.c (set_input): New fn.
11706 (main): After all input files are compiled, reset the input file
11709 * aclocal.m4 (rindex, index): If already defined, don't attempt
11712 * ginclude/varargs.h: (__va_list__): Define ifndef.
11713 * ginclude/stdarg.h: Likewise.
11715 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11716 instead of unsigned char.
11718 * hash.h (true, false, boolean): Undef before enum.
11720 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11721 proper type of "HOST_WIDE_INT *", rather than their natural type of
11722 "unsigned HOST_WIDE_INT *".
11724 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11726 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11728 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11730 * regclass.c (choose_hard_reg_mode): Likewise.
11732 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11734 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11736 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11738 * c-common.c: PROTO -> PARAMS.
11739 * c-common.h: Likewise.
11740 * c-decl.c: Likewise.
11741 * c-iterate.c: Likewise.
11742 * c-lang.c: Likewise.
11743 * c-lex.c: Likewise.
11744 * c-lex.h: Likewise.
11745 * c-parse.in: Likewise.
11746 * c-pragma.c: Likewise.
11747 * c-pragma.h: Likewise.
11748 * c-tree.h: Likewise.
11749 * c-typeck.c: Likewise.
11750 * objc/objc-act.c: Likewise.
11751 * objc/objc-act.h: Likewise.
11753 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11755 * m88k-protos.h: New file.
11757 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11760 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11762 * m88k.md: Likewise.
11764 * tekXD88.h: Likewise.
11766 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11768 * m68k-protos.h: New file.
11770 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11773 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11775 * mot3300.h: Likewise.
11777 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11779 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11781 (extract_bitlist): Declare bitlen.
11783 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11785 * cccp.c: Accept and ignore -lang-fortran.
11787 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11788 qualifiers don't match at any level of pointerness.
11790 2000-01-12 Robert Lipe <robertl@sco.com>
11792 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11794 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11796 * reload1.c (reload_reg_unavailable): New static variable.
11797 (reload_reg_free_p): Test it.
11798 (reload_reg_free_for_value_p): Test it instead of
11800 (choose_reload_regs_init): Compute it.
11802 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11804 * reorg.c (fill_slots_from_thread): Check modified_in_p
11807 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11809 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11810 these nodes even if INTERNALS is not set.
11812 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11814 * gcse.c (delete_null_pointer_checks_1): Cope when
11815 get_condition cannot determine the condition.
11817 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11819 * toplev.h (set_message_length): Declare.
11821 * diagnostic.c (obstack_chunk_alloc): Define macro.
11822 (obstack_chunk_free): Likewise.
11823 (struct output_buffer): New data structure.
11824 (vmessage): Remove.
11825 (output_maximum_width): New variable.
11826 (doing_line_wrapping, set_message_length, init_output_buffer,
11827 get_output_prefix, output_space_left, emit_output_prefix,
11828 output_newline, output_append, output_puts, dump_output,
11829 vbuild_message_string, build_message_string, build_location_prefix,
11830 voutput_notice, output_printf, line_wrapper_printf,
11831 vline_wrapper_message_with_location): New functions. Implement
11832 automatic line wrapping.
11833 (v_message_with_decl): Make it handle automatic line wrapping.
11834 (v_error_with_file_and_line): Likewise.
11835 (v_warning_with_file_and_line): Likewise.
11836 (announce_function): Likewise.
11837 (default_print_error_function): Likewise.
11839 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11841 * cpplib.h (struct cpp_options): Change lang_asm to char.
11843 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11844 done in cpp_handle_option now.
11845 (initialize_builtins): Take out special case code used only by
11847 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11848 if -traditional. Recognize -lang-fortran and set
11849 lang_fortran, also turn off cplusplus_comments.
11850 (print_help): Document -lang-fortran.
11851 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11852 lang_asm. Ignore all directives other than `# 123 "file"' if
11854 (cpp_get_token): If -traditional, don't recognize directives
11855 unless the # is in column 1.
11856 (parse_string): If lang_fortran or lang_asm, silently
11857 terminate strings ('' or "") at end of line.
11858 Remove unnecessary braces.
11860 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11861 Richard Henderson <rth@cygnus.com>
11863 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11865 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11866 strict_low_part when possible.
11868 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11870 * alias.c: PROTO -> PARAMS.
11871 * basic-block.h: Likewise.
11872 * bitmap.c: Likewise.
11873 * bitmap.h: Likewise.
11874 * builtins.c: Likewise.
11875 * c-aux-info.c: Likewise.
11876 * caller-save.c: Likewise.
11877 * calls.c: Likewise.
11879 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11881 * Makefile.in (toplev.o): Depend on regs.h.
11883 * output.h (tdesc_section): Prototype.
11885 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11887 * sdbout.c: Include "tm_p.h".
11889 * toplev.c: Include "regs.h".
11891 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11893 * unroll.c (unroll_loop): Add EH support.
11895 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11897 * pa-protos.h: New file.
11899 * pa.c: Include recog.h and tm_p.h.
11900 (compute_zdepwi_operands, compute_movstrsi_length,
11901 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11902 find_addr_reg, import_milli): Add static prototypes.
11903 (pa_cpu_string, pa_arch_string): Constify a char*.
11904 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11905 (read_only_operand): Add argument `mode'.
11906 (singlemove_string, output_move_double, output_fp_move_double,
11907 output_block_move, output_and, output_ior, output_ascii,
11908 remove_useless_addtr_insns, milli_names, output_mul_insn,
11909 output_div_insn, output_mod_insn, output_arg_descriptor,
11910 output_cbranch, output_bb, output_bvb, output_dbra, ,
11911 output_millicode_call, output_call, hppa_encode_label,
11912 output_parallel_movb, output_parallel_addb): Constify a char*.
11913 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11914 (output_parallel_addb): Remove extra arg to `constrain_operands'
11916 * pa.h: Move all prototypes to pa-protos.h.
11917 (pa_cpu_string, pa_arch_string): Constify a char*.
11918 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11920 * pa.md: Call `function_label_operand' with mode argument.
11921 Likewise for `read_only_operand'.
11922 Fix nesting of parens in call to `symbolic_operand'.
11924 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11926 * i860-protos.h: New file.
11928 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11931 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11933 * i860.md: Likewise.
11935 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11937 * i386.md (movstrsi expander): Rewrite.
11938 (movstrsi_1 insn): Deleted.
11939 (strmovhi, strmovqi expander): New expanders.
11940 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11941 * i386.c (x86_single_stringop): New global variable.
11942 * i386.h (x86_single_stringop): Declare.
11943 (TARGET_SINGLE_STRINGOP): New macro.
11945 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11947 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11948 integer vararg POSTINCREMENT before the destination of the jump
11949 for the hard fp case.
11950 (function_arg_pass_by_reference): Pass a copy of CUM to
11953 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11954 for CONSTANT_ADDRESS_P above while loop for subreg.
11956 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11958 * flow.c (propagate_block): When a prologue/epilogue insn
11959 is marked dead, unconditionally clear libcall_is_dead and
11960 insn_is_dead, and only dump rtl if warnings aren't being
11963 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11965 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11966 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11967 (FIXED_REGISTERS): Set dirflag as fixed.
11968 (CALL_USED_REGISTERS): Set dirflag as used.
11969 (REG_ALLOC_ORDER): Set dirflag as last one.
11970 (DIRFLAG_REG): New macro.
11971 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11972 (HI_REGISTER_NAMES): Add dirflag.
11973 (DEBUF_PRINT_REG): Handle dirflag.
11974 * i386.md (type attribute): New cld and str types.
11975 (length_opcode attribute): Set cld and str to 1.
11976 (memory attribute): Set str to unknown - it is not clear from the
11978 (pent_np function unit): Prefixed string operations takes 12 cycles
11979 minimally; cld takes 2 cycles.
11980 (ppro_uops attribute): Str is "many" and cld is "few".
11981 (ppro_p0 unit): Handle cld here.
11982 (k6_alux unit): Handle cld and str types.
11983 (k6_load unit): It is ocupied by str opcodes.
11984 (k6_store unit): It is ocupied by str opcodes.
11985 (athlon_decode): Str is vector decoded.
11986 (athlon_ieu): Handle str and cld.
11987 (cld pattern): New.
11988 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11989 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11990 cmpstrsi_nz_1 insn): Do not output cld instruction
11992 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11994 * gcc.texi (G++ and GCC): Add Java and Chill.
11995 (Bug Critera): Don't list languages.
11997 * gcc.texi (Incompatibilities): No longer claim most C compilers
12000 * gcc.texi (G++ and GCC): Update other front-ends list.
12002 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
12004 * i386.c (ix86_expand_setcc): Fix typo.
12005 (ix86_expand_movcc): Similarly.
12007 * Band-aid until haifa's bitset implementation is nuked.
12008 * haifa-sched.c (extract_bitlst): New parameter for size of the
12009 bitset in bits. All callers changed. Avoid looking at undefined
12010 bits in the bitset.
12011 (edgeset_bitsize): New variable.
12012 (schedule_region): Initialize edgeset_bitsize.
12014 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12016 * Makefile.in (optabs.o): Depend on real.h
12017 (resource.o): Depend on insn-attr.h
12019 * builtins.c (result_vector): Wrap prototype in macro conditions
12020 governing definition and use.
12022 * c-common.c: Include tm_p.h.
12024 * c-lex.c: Likewise.
12026 * elfos.h: Constify a char*.
12028 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
12029 (get_attr_length, shorten_branches, profile_after_prologue): Mark
12030 parameter with ATTRIBUTE_UNUSED.
12032 * fold-const.c (exact_real_inverse): Wrap variable `i' in
12035 * haifa-sched.c (schedule_insns): Mark parameter with
12038 * optabs.c: Include real.h.
12040 * real.h (ereal_atof): Add prototype arguments.
12042 * resource.c: Include insn-attr.h.
12044 * sdbout.c (sdbout_queue_anonymous_type,
12045 sdbout_dequeue_anonymous_types): Wrap in macro
12046 SDB_ALLOW_FORWARD_REFERENCES.
12047 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
12050 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
12052 * stupid.c: Include tm_p.h.
12054 * tree.c (real_value_from_int_cst): Mark parameter with
12057 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12059 * i960-protos.h: New file.
12061 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
12064 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
12066 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12068 * combine.c (expand_field_assignment): Do not discard SUBREGs
12069 while computing nonzero_bits.
12071 2000-01-09 Nick Clifton <nickc@cygnus.com>
12073 * config/arm/arm.c: Fix compile time warnings about signed vs
12074 unsigned constants.
12075 * config/arm/arm.h: Fix compile time warnings about signed vs
12076 unsigned constants.
12078 2000-01-09 Philip Blundell <philb@gnu.org>
12080 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
12081 than `ldm' with only one register.
12082 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
12085 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
12088 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
12090 * config/ns32k/ns32k.md (load or push effective address): Operand 1
12093 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12095 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
12096 assignment used as truth value.
12098 * function.c (assign_temp): Mark parameter `dont_promote' with
12099 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
12100 PROMOTE_FOR_CALL_ONLY.
12102 * genrecog.c (write_subroutine): Mark variable `operands' with
12105 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
12108 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
12109 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
12111 * toplev.c (note_deferral_of_defined_inline_function): Likewise
12114 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12116 * config/c4x.h: Tidy up comments.
12117 * config/c4x.c: Likewise.
12119 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
12121 * fold-const.c (lshift_double, rshift_double): Handle
12122 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
12124 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12126 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
12127 in prepare_function_start().
12129 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
12131 * config/v850/v850.c (expand_epilogue): Interrupt functions no
12132 longer allocate extra stack for function calls.
12134 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12136 * config/c4x/c4x.md (*subqf3_set): Fix typo.
12138 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12140 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
12142 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12144 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12145 * aix43.h: Revert Aug 2 change.
12146 (HAS_INIT_SECTION): Define, not visible yet.
12147 (LD_INIT_SWITCH): Define, not visible yet.
12148 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12150 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
12152 * collect2.c (main): Expand ld2 size further.
12153 (export_object_lst): Cast assignment to avoid warning.
12154 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
12155 (scan_prog_file, COFF): Do not collect initialization or
12156 finalization functions generated for entire shared object if
12157 init/fini support present.
12159 2000-01-07 Nick Clifton <nickc@cygnus.com>
12161 * config/elfos.h: Tidy up formatting of marcos. Make sure
12162 that .section directives are always prefixed by a tab.
12164 * config/svr4.h: Add #include "elfos.h" and remove duplicate
12167 2000-01-07 Matt Austern <austern@sgi.com>
12169 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
12172 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
12174 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
12176 (crtbegin.o, s-crtS): Likewise.
12178 2000-01-06 Richard Henderson <rth@cygnus.com>
12180 * alpha.md (adddi_2+1): Limit offset such that it will be
12181 loadable with a single ldah+lda pair.
12182 (adddi_2+2): Explicitly fail split if we can't make it work.
12184 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
12186 * protoize.c: Conditionally include unistd.h.
12187 (IS_SAME_PATH_CHAR): New macro.
12188 (IS_SAME_PATH): New macro.
12189 (CPLUS_FILE_SUFFIX): New macro.
12190 (cplus_suffix): New static variable.
12191 (is_abspath): New static function.
12192 (in_system_include_dir): Handle DOS style pathnames.
12193 (file_could_be_converted): Likewise.
12194 (file_normally_convertible): Likewise.
12195 (directory_specified_p): Likewise.
12196 (file_excluded_p): Likewise.
12197 (abspath): Likewise.
12198 (shortpath): Likewise.
12199 (referenced_file_is_newer): Likewise.
12200 (save_def_or_dec): Likewise.
12201 (do_processing): Likewise.
12203 (edit_file): Likewise. Use rename instead of link.
12204 (rename_c_file): Likewise. Don't rename syscalls file.
12205 (munge_compile_params): Define null device for DOS based systems.
12206 (process_aux_info_file): Use binary mode if appliable.
12207 (edit_file): Likewise.
12208 * invoke.texi (Running Protoize): Document C++ suffixes used.
12210 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
12211 IS_DIR_SEPARATOR macros.
12212 * collect2.c: Likewise.
12213 * cppinit.c: Likewise.
12214 * dwarf2out.c: Likewise.
12216 * gcov.c: Likewise.
12217 * prefix.c: Likewise.
12219 * toplev.c: Likewise.
12220 * system.h: And move to here.
12222 * prefix.c (update_path): Fix typo in variable name.
12224 2000-01-06 Richard Henderson <rth@cygnus.com>
12226 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
12227 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
12228 (count_reg_sets_1, count_reg_references): Likewise.
12229 (flow_loops_level_compute): Start counting actual loop depth at 1.
12230 (flow_loops_find): Likewise.
12231 * local-alloc.c (update_equiv_regs): Likewise.
12232 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
12234 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12236 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12237 FIRST_PSEUDO_REGISTER
12238 * dwarf2out.c: Don't include frame.h
12239 * dwarfout.c: Likewise
12240 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12243 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12245 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12248 * i386.c (movsf splitter): Fix typo in my last checkin.
12250 2000-01-05 Nick Clifton <nickc@cygnus.com>
12252 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12253 own definition of this macro.
12254 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12255 flag_data_sections or UNIQUE_SECTION_P are true.
12257 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12258 unitialised data decls.
12260 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12261 being called for uninitialised data.
12263 * config/i386/interix.c (i386_pe_unique_section): Cope with
12264 being called for uninitialised data.
12266 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12267 for uninitialised data.
12269 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12270 for uninitialised data.
12272 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12273 for uninitialised data.
12275 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12276 (UNIQUE_SECTION_P): Always generate a unique section if
12277 flag_data_sections is true.
12278 (UNIQUE_SECTION): Also generate unique sections for
12279 uninitialised data.
12280 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12281 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12284 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12286 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12289 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12291 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12292 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12293 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12294 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12295 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12297 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12299 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12301 * c-decl.c (finish_enum): Simplify code to determine minimum and
12302 maximum values of the enum, and calculate the type. Remove check
12303 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12304 the DECL_INITIAL of each enumeration constant with a copy converted
12305 to the enumeration type. When updating variant types, don't bother
12306 updating the type itself.
12308 * c-typeck.c (build_binary_op): Simplify conditional expressions
12309 when weeding out spurious signed-unsigned warnings. Add new
12310 spurious warning category: if the unsigned quantity is an enum
12311 and its maximum value fits in signed_type(result_type). Update
12313 (build_conditional_expr): Warn here if one alternative is signed
12314 and the other is unsigned.
12316 2000-01-05 Nick Clifton <nickc@cygnus.com>
12318 * config/fr30/fr30.h: Remove extraneous comments.
12320 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12322 * reload1.c (choose_reload_regs): When disabling a reload, also
12323 set reload_spill_index to -1.
12325 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12327 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12329 (m68*-*-rtemself*): New target.
12330 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12331 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12332 (sparc*-*-rtemself*): New target.
12333 (sparc*-*-rtems*): Now elf not a.out.
12334 * config/i386/rtems.h: Include config/rtems.h.
12335 * config/i386/rtemself.h: Include config/rtems.h.
12336 * config/i960/rtems.h: Include config/rtems.h.
12337 * config/m68k/rtems.h: Include config/rtems.h.
12338 * config/m68k/rtemself.h: Include config/rtems.h.
12339 * config/mips/rtems64.h: Include config/rtems.h.
12340 * config/pa/rtems.h: Include config/rtems.h.
12341 * config/rs6000/rtems.h: Include config/rtems.h.
12342 * config/sh/rtems.h: Include config/rtems.h.
12343 * config/sh/rtemself.h: Include config/rtems.h.
12344 * config/sparc/rtems.h: Include config/rtems.h.
12345 * config/sparc/rtemself.h: Include config/rtems.h
12347 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12349 * final.c (shorten_branches): Correctly compute length of
12350 asms without operands.
12352 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12354 * configure.in: Add pj target.
12355 * configure: Regenerate.
12356 * config/pj: New directory.
12357 * config/pj/lib1funcs.S: New file.
12358 * config/pj/linux.h: New file.
12359 * config/pj/pj.c: New file.
12360 * config/pj/pj.md: New file.
12361 * config/pj/pjl.h: New file.
12362 * config/pj/t-pj: New file.
12363 * config/pj/xm-pj.h: New file
12365 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12367 * toplev.c (rest_of_compilation): Run shorten-branches before
12370 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12372 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12373 macros so that they're consistent with their names.
12374 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12375 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12377 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12379 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12380 modified inadvertently.
12382 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12384 * configure.in (v850*-*-rtems*): New target.
12385 * configure: Regenerate.
12386 * config/v850/rtems.h: New file.
12388 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12390 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12391 (__gthread_key_create): Likewise.
12392 (__gthread_key_dtor): Likewise.
12393 (__gthread_once): Fix logic.
12394 (__gthread_key_delete): Cast away constness.
12396 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12397 * invoke.texi: Document.
12398 * i386/mingw32.h (CPP_SPEC): Use.
12399 (LIBGCC_SPEC): Likewise.
12400 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12402 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12404 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12405 (HANDLE_PRAGMA_PACK): Undefine.
12406 (SLOW_UNALIGNED_ACCESS): Define.
12408 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12410 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12411 to default definition.
12412 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12413 (store_fixed_bit_field): Call macro with word_mode and alignment.
12414 (extract_bit_field): Call macro with relevant mode and alignment.
12415 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12416 to default definition.
12417 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12419 (move_by_pieces_ninsns): Likewise.
12420 (clear_by_pieces): Likewise.
12421 (emit_push_insn): Likewise.
12422 (store_field): Call macro with relevant mode and alignment.
12423 (expand_expr): Likewise.
12424 (expand_expr_unaligned): Likewise.
12426 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12427 (SLOW_UNALIGNED_ACCESS): Define.
12428 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12429 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12430 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12431 (toc_section): Likewise and .toc pseudo-op.
12432 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12434 (TEXT_SECTION_ASM_OP): Likewise.
12435 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12438 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12439 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12440 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12441 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12442 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12444 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12446 * regclass.c: Revert my Jan 4 change to loop cost computation.
12448 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12450 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12453 2000-01-04 Stan Cox <scox@cygnus.com>
12455 * haifa-sched.c (build_control_flow): Change unreachable simple
12456 loop test to check if current block has only one predecessor.
12457 (find_rgns): Initialize degree. Use dest as degree index, not src.
12459 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12461 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12463 * calls.c (expand_call): Likewise for
12464 `old_stack_arg_under_construction'.
12466 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12468 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12471 * gcc.c (execute): Likewise for `ut' and `st'.
12473 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12475 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12477 * jump.c (jump_optimize_1): Likewise for `temp2'.
12479 * local-alloc.c (block_alloc): Likewise for `r1'.
12481 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12483 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12484 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12486 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12489 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12490 and `goal_earlyclobber'.
12492 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12494 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12496 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12498 * unroll.c (copy_loop_body): Likewise for `copy'.
12500 * varasm.c (output_constructor): Likewise for `byte'.
12502 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12504 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12505 all FP constants for constant->reg moves.
12506 (ix86_split_to_parts): Try to convert memory address into immediate
12507 when available in the constant pool.
12508 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12510 (LEGITIMATE_CONSTANT_P): Return 1.
12511 * i386.md (pushsf): New splitter to convert constant pool memory
12512 reference to immediate.
12513 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12516 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12518 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12519 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12520 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12521 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12522 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12524 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12526 * ginclude/stdbool.h: Support compilation as C++.
12528 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12530 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12532 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12534 * regclass.c (regclass): Properly compute loop_cost. Adjust
12537 * regclass.c: Fix minor whitespace problems.
12539 2000-01-03 Anthony Green <green@cygnus.com>
12541 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12542 Restore the pic register if required.
12544 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12546 * c-common.c (format_char_info): Update comment.
12547 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12548 was recognized. Emit warning for formats new in ISO C99 only
12549 if flag_isoc9x is not set.
12551 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12553 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12555 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12557 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12558 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12559 (make_compound_operation): Choose cheaper alternative between
12560 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12562 * regclass.c (op_costs): Remove global variable.
12563 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12564 (record_operand_costs): Break out from ...
12565 (scan_one_insn): ... here.
12566 (dump_regclass): Make dumps nicer.
12567 (regclass): Dump preferrences choosed and changes done during passes.
12569 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12571 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12573 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12575 * config/sparc/sparc.c (gen_df_reg): New function.
12576 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12577 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12578 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12579 movtf_cc_reg_sp64+1): Use it.
12581 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12583 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12584 copied LABEL_DECLs.
12586 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12588 * config/i386/i386.c (ix86_expand_unary_operator): Function
12589 definition made void.
12590 (ix86_expand_binary_operator): Update outdated preceding comment.
12591 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12594 * config/i386/i386.c (override_options): Fix option-name typo.
12596 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12598 * system.h (CEIL): Define.
12599 * builtins.c (CEIL): Remove.
12600 * expmed.c (CEIL): Likewise.
12601 * expr.c (CEIL): Likewise.
12602 * stor-layout.c (CEIL): Likewise.
12604 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12606 * expr.c (store_constructor_field): Fix typo introduced with last
12609 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12611 * tree.h (BINFO_N_BASETYPES): New macro.
12613 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12615 * expmed.c (emit_store_flag): Prevent losing a pending stack
12616 adjust the same way we prevent losing queued increments.
12618 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12620 * function.c (update_temp_slot_address): Handle case where sum of
12621 temporary address plus offset in register is a valid address.
12623 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12625 * genrecog.c (change_state) Corrected typo.
12627 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12629 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12630 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12631 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12633 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12635 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12636 case, expand GT comparisons correctly. Fix a comment before this
12639 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12641 * dwarfout.c: Include "frame.h"
12642 * dwarf2out.c: Likewise.
12643 * Makefile.in (dwarfout.o): Depend on frame.h
12644 (dwarf2out.o): Likewise.
12646 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12648 Restore i386 binary compatibility in Dwarf EH info.
12649 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12650 value of FIRST_PSEUDO_REGISTER.
12651 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12652 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12653 * dwarfout.c (output_reg_number): Ditto.
12654 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12655 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12657 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12659 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12660 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12661 (<hack>_RE_CT): not needed
12662 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12663 rewritten to scan the file text once only
12664 "template<..." test added
12665 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12666 (is_cxx_header): declaration added
12667 * fixinc/fixtests.c(is_cxx_header): removed
12668 (apply_fix_p_t): removed
12669 (double_slash_test): is_cxx_header is only called once now
12670 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12671 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12672 within the templates.
12673 The borken spelling of "broken" was fixed.
12674 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12675 The default level depends on FIXINC_DEBUG.
12677 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12679 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12680 Otherwise provide a declaration for atexit.
12681 (init_dummy): Make sure dummy call to atexit is nevertheless
12682 called with correct number of args.
12684 * frame.c: Update comments referring to other files.
12686 * libgcc2.c: Likewise.
12688 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12690 * cse.c (free_element, get_element): Remove unused prototypes.
12692 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12695 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12698 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12700 * configure.in,configure: case arm for mn10200-*-* now sets
12701 float_format=i32 so that float.h will correctly claim "double"
12702 to be 32 bits. Ran autoconf to generate configure from .in file.
12704 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12706 * pa.md (conditional zero): If op1 is a register, force it into
12707 the same register as op0.
12709 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12711 * tree.h (BINFO_BASETYPES): Improve documentation.
12713 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12715 * configure.in (--enable-checking): Use a more portable `for'
12718 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12720 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12721 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12723 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12726 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12727 Delete descriptions.
12729 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12730 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12731 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12732 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12733 xm-svr4.h: Remove all instances of sys_siglist handling.
12735 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12737 * config/sparc/sparc.md (cmp_zero_qi,
12738 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12739 cmp_zero_extendqidi2_andcc_set): New patterns.
12741 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12743 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12744 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12745 (fpgnulib.c, xfgnulib.c): Add rules.
12746 * m68k/t-mot3300-gas: Likewise.
12748 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12750 * configure.in: Avoid [[ by using test and changequote. Add
12751 changequote required by 1999-12-14 change.
12752 * configure: Rebuild.
12754 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12756 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12758 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12760 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12761 * flow.c (find_use_as_address): Likewise.
12762 * function.c (fixup_var_refs_1): Likewise.
12763 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12764 * jump.c (invert_exp, redirect_exp): Likewise.
12765 * loop.c (replace_call_address): Likewise.
12766 (count_nonfixed_reads): Likewise.
12767 * rtlanal.c (modified_between_p): Likewise.
12768 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12769 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12770 * unroll.c (remap_split_bivs): Likewise.
12772 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12774 * diagnostic.c (v_message_with_decl): Use .* format specifier
12775 instead of building the format specifier width manually.
12777 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12778 determining whether to provide a prototype. Remove the
12779 sys_siglist clause in the conditional.
12781 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12783 * fold-const.c (operand_equal_p): Use memcmp to compare string
12785 Suggested by D. J. Bernstein
12787 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12789 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12790 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12792 * config/mips/mips.h (TARGET_64BIT): Likewise.
12793 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12794 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12795 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12796 dsps. Give routines proper names if SI/DI modes are not used.
12797 * longlong.h: Use DWunion instead of DIunion.
12799 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12801 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12802 GC_CHECKING, GC_ALWAYS_COLLECT.
12803 * configure.in: Allow --enable-checking with an argument
12804 listing check modes to enable.
12805 * config.in, configure: Rebuilt.
12806 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12807 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12808 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12809 ENABLE_GC_ALWAYS_COLLECT.
12810 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12812 * tree.h, tree.c: Change ENABLE_CHECKING to
12813 ENABLE_TREE_CHECKING throughout.
12815 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12817 * fold-const.c (fold_truthop): Properly check for FP RHS.
12819 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12821 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12822 * toplev.c (note_deferral_of_defined_inline_function): New
12823 function, split out from ...
12824 (rest_of_compilation): ... here. Use it.
12826 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12828 * expr.c (store_constructor): Don't call clear_storage if size is
12831 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12833 * Makefile.in (toplev.o): Depend on loop.h.
12835 * dwarfout.c: Include tm_p.h.
12837 * emit-rtl.c (restore_emit_status): Mark parameter with
12840 * final.c (final_scan_insn): Likewise.
12842 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12843 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12844 flow_depth_first_order_compute, flow_loop_pre_header_find,
12845 flow_loop_tree_node_add, flow_loops_tree_build,
12846 flow_loop_level_compute, flow_loops_level_compute,
12847 flow_loop_outside_edge_p): Add prototypes.
12848 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12850 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12851 Mark with ATTRIBUTE_NORETURN.
12853 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12855 * local-alloc.c (no_conflict_p): Likewise.
12857 * loop.c (insert_bct): Hide definitions of variables with hidden
12859 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12861 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12862 with ATTRIBUTE_UNUSED.
12863 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12864 (reg_scan): Likewise.
12866 * reload.c (find_reloads): Remove unused variables `changed'.
12868 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12870 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12871 Remove unused variable `insn'.
12873 * toplev.c: Include loop.h.
12874 (report_file_and_line): Remove unnecessary prototype.
12876 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12878 * unroll.c (biv_total_increment): Likewise.
12880 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12882 * reload1.c (emit_input_reload_insns): Restore old behaviour
12883 wrt. 'special' reloads.
12885 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12887 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12888 hash.h. (cse.c): Don't depend on hashtab.h.
12890 * cse.c: Don't include hashtab.h.
12891 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12893 * ggc-simple.c: Don't include hash.h.
12895 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12897 * dwarf2out.c (add_abstract_origin_attribute): Call
12898 gen_abstract_function on our function context.
12900 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12902 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12904 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12906 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12909 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12911 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12912 constraints to "a!r".
12914 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12916 * Makefile.in (calls.o): Depend on function.h.
12917 (alias.o): Likewise.
12919 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12921 * reload1.c (emit_reload_insns): Break out code and variables into...
12922 (input_reload_insns, other_input_address_reload_insns,
12923 other_input_reload_insns, input_address_reload_insns,
12924 inpaddr_address_reload_insns, output_reload_insns,
12925 output_address_reload_insns, outaddr_address_reload_insns,
12926 operand_reload_insns, other_operand_reload_insns,
12927 other_output_reload_insns): ... new static variables, and...
12928 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12929 do_output_reload): ... new functions.
12931 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12933 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12935 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12937 * md.texi: Add c4x constraints documentation.
12939 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12941 * config/i386/dgux.c (struct option): Rename to
12942 lang_independent_option.
12943 (struct m_options): Add description field.
12944 (output_options): Rename option type, add sep declaration, output
12945 ix86_cpu_string and ix86_arch_string only if set.
12946 (output_file_start): Rename option type.
12948 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12950 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12952 (libgcc2.a): Similarly.
12954 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12956 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12957 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12958 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12960 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12962 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12963 Remove redundant initialization of "frexpon" and "expon".
12965 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12967 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12969 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12970 (store_constructor_field, expand_expr): Pass new arg.
12972 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12974 * Makefile.in (explow.o): Depend on function.h.
12976 * stor-layout.c (set_sizetype): Fix typo.
12978 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12980 * function.c (cfun): Renamed from current_function. All users
12982 * function.h (cfun): Rename declaration as well.
12984 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12985 to be of type regset_head, not regset. All users changed by adding
12987 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12989 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12991 * config/c4x/rtems.h: New file.
12993 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12995 * reload1.c (spill_failure): Take class of failed reload as argument
12996 and print it. Caller changed.
12998 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13000 * rs6000.h (SUBTARGET_DEFAULT): New macro.
13001 (TARGET_SWITCHES): Allow subtargets to default switches.
13002 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
13004 1999-12-18 Mark Mitchell <mark@codesourcery.com>
13006 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
13009 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
13011 * cccp.c (main): Define __STDC_VERSION__ as necessary.
13012 * cppinit.c (cpp_handle_option): Likewise.
13014 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
13015 determine when to define.
13017 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
13019 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
13020 cmove with mismatched test and data modes.
13022 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
13024 * c-typeck.c (c_expand_start_case): Don't warn for long switch
13027 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13029 * alias.c: Minor reformatting.
13030 * flow.c: Likewise.
13031 * regs.h: Likewise.
13032 * stor-layout.c: Likewise.
13033 * fold-const.c: Likewise.
13034 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
13035 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
13037 (size_int_wide): Cache nodes even if garbage collecting.
13038 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
13039 of SAVE_EXPR has no side effects.
13040 * cse.c: Move a comment.
13041 * tree.c: Minor reformatting.
13042 (int_size_in_bytes): Return -1 if constant overflows.
13044 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13046 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
13048 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
13050 * objc/objc-parse.c: Regenerate. This file must be rebuilt
13051 after any change to c-parse.in, even if objc-parse.y didn't
13054 1999-12-18 David S. Miller <davem@redhat.com>
13056 * toplev.c (rest_of_compilation): Restore BLOCK tree
13057 reconstruction and branch shortening changes lost in
13058 December 18th change.
13060 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
13062 * config/arm/linux-elf.h: Change all instances of
13063 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
13064 * config/arm/uclinux-elf.h: Likewise.
13066 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
13068 * toplev.c (notice, vmessage, v_message_with_file_and_line,
13069 v_message_with_decl, file_and_line_for_asm,
13070 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
13071 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
13072 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
13073 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
13074 pfatal_with_name, fatal_io_error, need_error_newline,
13075 last_error_function, last_error_tick, announce_function,
13076 default_print_error_function, print_error_function,
13077 report_error_function, fnotice, error_with_file_and_line,
13078 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
13079 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
13080 warning_with_decl, warning_for_asm, warning, pedwarn,
13081 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
13083 (compile_file): Use fnotice instead of notice. Adjust call.
13085 * diagnostic.c: New file.
13087 * Makefile.in (OBJS): Include diagnostic.o
13088 (diagnostic.o): Define dependence.
13090 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13092 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
13095 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13097 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
13099 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13101 * fixtests.c (is_cxx_header): New fn, split out of
13103 (else_endif_label): Allow "#endif // comment" in C++ headers,
13104 as determined by is_cxx_header.
13105 * fixfixes.c (else_endif_label_fix): Update comment.
13106 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
13108 * genfixes: Correct double thinko in commandline parsing.
13109 * hackshell.tpl: Generate correct sh syntax for bypass
13112 * inclhack.def (all): Whenever an inserted preprocessor
13113 conditional is split over multiple lines, use double
13114 backslashes in this file so the fixed header will be readable.
13116 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
13117 and add bypass entry for correct version of this header.
13118 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
13119 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
13121 (hpux8_bogus_inlines): New fix, split from...
13122 (ultrix_atof_param) ... here.
13123 (math_expression): Add bypass entry keyed to glibc comment
13124 indicating the problem has been dealt with; disable
13125 unnecessary sed operations; update commentary.
13126 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
13127 add select and bypass entries, simplify shell operation.
13128 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
13130 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
13131 ultrix_atof_param): Add select entry.
13132 (stdio_va_list, sunos_mather_decl): Add bypass entry.
13133 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
13134 comments with the fixes they describe.
13136 * c-parse.in (string action): Do not warn about ANSI string
13137 concatenation in system headers. Affects C parser only.
13138 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
13140 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13142 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
13143 compiling libgcc2 the macro depends always on arch cpp defines.
13145 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
13147 * loop.c (insert_loop_mem): Don't record MEMs from inside
13150 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
13152 * regclass.c (regclass): Do not use flowgraph when not optimizing.
13154 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
13155 notes too, create one when replacement failed, attempt to simplify
13157 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
13158 or REG_EQUIV notes.
13160 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13162 * crtstuff.c (__dso_handle): Declare.
13163 (__cxa_finalize): Likewise.
13164 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
13167 * invoke.texi: Document -fuse-cxa-atexit.
13169 * tree.h (ptr_type_node): Document.
13170 (const_ptr_type_node): Likewise.
13172 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13174 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
13175 (optimize_reg_copy_2): Likewise.
13176 (optimize_reg_copy_3): Likewise.
13177 (fixup_match_2): Likewise.
13178 (regmove_optimize): Likewise.
13179 (fixup_match_1): Liekwise.
13181 * i386.md (HI to SImode promoting splitters): Rewrite.
13182 (pushsf mem peep2): New.
13183 (testhi to andhi peep2): Remove.
13184 * i386.h (x86_promote_QImode): New.
13185 (TARGET_PROMOTE_QImode): New.
13186 (PREDICATE_CODES): Add promotable_binary_operator.
13187 * i386.c (x86_promote_QImode0: New.
13188 (promotable_binary_operator): New.
13189 * i386-protos.h (promotable_binary_operator): New.
13191 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
13193 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
13195 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13197 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
13198 * function.c (insert_block_after_note): Remove.
13199 (retrofit_block): Likewise.
13200 (identify_blocks): Fix indentation.
13201 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
13202 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
13203 * function.h (insert_block_after_note): Remove prototype.
13204 (retrofit_block): Likewise.
13205 * integrate.c (expand_inline_function): Don't call
13206 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
13207 just expand_start_bindings. Use the block_map to remap old
13208 NOTE_BLOCKs to new ones.
13209 (integrate_decl_tree): Keep track of remapped blocks.
13210 * integrate.h (struct inline_remap): Add block_map.
13211 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
13212 NOTE_BLOCK on the notes.
13213 (expand_start_bindings): Rename to ...
13214 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
13215 (expand_end_bindings): Set NOTE_BLOCK.
13216 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
13217 reconstruct the BLOCK tree.
13218 * tree.h (expand_start_bindings): Macroize. Call ...
13219 (expand_start_bindings_and_block): New function.
13221 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13223 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
13224 to match the format.
13226 1999-12-16 David S. Miller <davem@redhat.com>
13228 * expr.c (emit_move_insn_1): Only emit clobbers if one of
13229 the outputs is a SUBREG.
13230 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
13233 * config/sparc/sparc.c (epilogue_renumber): Add default case
13236 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13238 * toplev.c (rest_of_compilation): Run branch shortening after
13241 * regclass.c (loop_depth): Remove
13242 (scan_one_insn): Do not handle LOOP_NOTE insns.
13243 (regclass): Go through basic blocks and set loop_cost
13245 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13247 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13249 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13251 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13252 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13253 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13255 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13257 * loop.c (insert_loop_mem): Ignore memory clobbers.
13259 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13262 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13264 * profile.c: Remove redundant #include "output.h".
13266 * h8300.md (HImode preinc peephole): Fix typo.
13268 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13270 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13271 (insert_block_after_note): Abort if we don't have a previous block.
13272 Remove FN parameter.
13273 * function.h: Adjust.
13275 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13277 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13278 argument more than once.
13280 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13282 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13284 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13286 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13288 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13290 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13291 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13292 update stack_alignment_needed.
13293 (prepare_function_start): Initialize stack_alignment_needed
13294 * function.h (struct function): Add field stack_alignment_needed.
13296 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13298 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13299 Handle live_throughout / dead_or_set instead of live_before /
13301 (save_call_clobbered_regs): Get register livenessinformation from
13302 chain->live_throughout.
13303 (add_stored_regs): New function.
13304 (insert_restore, insert_save): Add restored / saved registers to
13306 * global.c (reg_dies): New parameter chain.
13307 (reg_becomes_live): Third parameter is regs_set now.
13308 Changed all callers.
13309 (reg_dies): New parameter chain. Changed all callers.
13310 (build_insn_chain): Set live_throughout instead of
13311 live_before / live_after.
13312 * reload.h (struct insn_chain): Replace members live_before /
13313 live_after with live_throughout / dead_or_set.
13314 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13315 instead of live_before / live_after.
13316 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13317 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13318 (choose_reload_regs_init): Likewise.
13319 * stupid.c (current_chain, find_clobbered_regs): Delete.
13320 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13321 instead of chain->live_before / chain->live_after.
13322 (mark_hard_ref): New function.
13323 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13325 1999-12-15 David S. Miller <davem@redhat.com>
13327 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13329 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13331 * flow.c (calculate_loop_depth): Make global, remove prototype,
13332 rewrite to use new loop infrastructure.
13333 (find_basic_block): Remove calculate_loop_depth call.
13334 * toplev.c (rest_of_compilation): Call find_basic_block.
13335 * output.h (calculate_loop_depth): Declare.
13337 * flow.c (dump_flow_info): Dump loop_depth.
13338 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13340 (flow_loops_find): Initialize the loop_depth for each basic block.
13342 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13344 * tree.c (decl_function_context): Handle virtual functions.
13346 * tlink.c (scan_linker_output): Don't look in demangled name when
13347 looking for linker output keywords.
13349 * dwarfout.c (output_type): We can defer namespace-scope classes.
13351 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13353 * regclass.c (record_reg_classes): Update comment for merging
13354 register class preferences in reg->reg copies. Tighten conditions
13355 for merging register class preferences in reg->reg copies.
13357 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13359 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13361 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13363 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13364 (INIT_SECTION_ASM_OP): Delete.
13365 (FINI_SECTION_ASM_OP): Delete.
13366 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13368 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13370 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13371 the abstract origin wasn't emitted.
13373 * dwarf2out.c (class_scope_p): New fn.
13374 (gen_subprogram_die): Use it.
13375 (gen_variable_die): Use it. Tweak logic.
13376 (gen_struct_or_union_type_die): Check context_die to determine
13377 if we're function-local.
13378 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13380 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13382 * loop.c (check_dbra_loop): Can't reverse a biv that has
13383 maybe_multiple set.
13385 1999-12-14 Nick Clifton <nickc@cygnus.com>
13387 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13390 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13392 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13393 for givs made from biv increments.
13395 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13397 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13398 * alpha.c (override_options): Recognize -mcpu=ev67.
13399 * alpha.h (CPP_CPU_EV67_SPEC): New.
13400 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13401 (EXTRA_SPECS): Update.
13403 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13405 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13406 appropriate for -lang-c89 and -std=*.
13407 * cppinit.c (cpp_handle_option): Likewise.
13408 (new_pending_define): New, split out from cpp_handle_option.
13409 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13410 or enable trigraphs for -ansi/-std=*.
13412 * ginclude/stdarg.h (__va_copy): New.
13413 (va_copy): Don't define for C89.
13415 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13417 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13418 for long long multiply-accumulate.
13420 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13422 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13423 optimizing for size.
13425 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13427 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13428 if something changed. Back out that part of yesterday's changes.
13430 * loop.c (loop_max_reg): New static variable.
13431 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13433 (scan_loop): Call reg_scan_update whenever we may have added new
13434 registers, and update loop_max_reg.
13436 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13438 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13439 when source does not die.
13441 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13443 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13445 * config/sparc/linux64.h (TARGET_LIVE_G0,
13446 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13448 * config/sparc/linux.h (TARGET_LIVE_G0,
13449 TARGET_BROKEN_SAVERESTORE): Likewise.
13450 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13451 TARGET_BROKEN_SAVERESTORE): Likewise.
13453 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13454 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13456 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13457 as sparc64 block profiling register.
13458 * config/sparc/sparc.c (sparc_override_options): Allow block
13459 profiling with -m32.
13460 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13461 profiling register.
13462 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13463 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13464 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13466 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13468 * config/sparc/sparc.h: Likewise.
13469 * config/sparc/xm-sysv4-64.h: Likewise.
13470 * config/float-sparc.h: Likewise.
13471 * glimits.h: Likewise.
13472 * longlong.h: Likewise.
13474 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13475 (ASM_IDENTIFY_GCC): Remove.
13477 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13479 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13480 (simplify_logical): Likewise.
13482 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13484 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13485 * cppfiles.c (INO_T_EQ): Likewise.
13487 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13489 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13490 * i386/mingw32.h (LIB_SPEC): Likewise.
13491 (STARTFILE_SPEC): Likewise.
13492 * i386/uwin.h (LIB_SPEC): Likewise.
13493 (STARTFILE_SPEC): Likewise.
13495 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13496 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13498 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13500 * combine.c (combine_simplify_rtx): Fix order of checks for
13501 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13503 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13505 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13506 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13508 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13510 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13512 * regclass.c (inv_reg_alloc_order): New array.
13513 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13515 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13516 counted_for_groups, counted_for_nongroups. Add fields rld and
13518 * reload.c (push_secondary_reload): Don't set nongroup field of
13520 (push_reload): Likewise.
13521 (find_reloads): Delete code to compute nongroup fields.
13522 * reload1.c (reload_insn_firstobj): New static variable.
13523 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13525 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13526 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13527 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13529 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13531 (struct hard_reg_n_uses): Deleted.
13532 (potential_reload_regs): Deleted.
13533 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13534 (reload): Don't try to allocate reload registers if we already know
13535 we have to make another pass. Call select_reload_regs. Free memory
13536 starting with reload_firstobj when starting another pass.
13537 Don't allocate spilled_pseudos.
13538 (calculate_needs_all_insns): Call copy_reloads for an insn that
13539 needs reloads; don't call calculate_needs.
13540 (spill_cost): New static array.
13541 (used_spill_regs_local): New static variable.
13542 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13543 to compute potential_reload_regs.
13544 (find_reload_regs): Completely rewritten to use find_reg.
13545 (allocate_reload_reg): Don't test counted_for_groups or
13546 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13547 all cllers changed.
13548 (choose_reload_regs): Add fallback code that uses the existing
13549 register allocation from find_reload_regs.
13551 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13553 * flow.c (create_edge_list): Cast xmalloc return value.
13555 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13557 * doprnt.c: Remove incorrect comment closure.
13559 * cse.c: Fix a few minor whitespace goofs.
13561 1999-12-13 Don Bowman <don@pixstream.com>
13563 * mips/vxworks.h: Fix problem with comment termination.
13564 (EXTRA_SECTIONS): Add in_sbss.
13565 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13567 1999-12-12 David S. Miller <davem@redhat.com>
13569 * cse.c (struct cse_reg_info): Add hash_next member,
13570 reorder rest of struct for better packing on 64-bit
13572 (cse_reg_info_tree): Kill.
13573 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13574 REGHASH_FN): New custom pow2 hash mechanism.
13576 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13577 use a pow2 hash table.
13578 (get_cse_reg_info): Rework to use new REGHASH.
13579 (new_basic_block): Likewise, use HASH_SIZE, and inline
13581 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13582 and inline free_element call.
13583 (lookup_as_function, insert, flush_hash_table, invalidate,
13584 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13585 invalidate_for_call, use_related_value, find_comparison_args,
13586 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13587 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13588 get_element): Kill.
13590 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13592 * cse.c (cse_basic_block): Free qty_table consistently.
13594 1999-12-12 David S. Miller <davem@redhat.com>
13595 Jakub Jelinek <jakub@redhat.com>
13597 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13598 SUBREGs by hand, gen the appropriate hard reg directly.
13599 (movtf reg/mem split): Likewise and alter_subreg on destination
13601 (movtf mem/reg split): Similarly.
13602 (movdf_cc_sp64): Rename from hidden pattern.
13603 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13604 (movtf_cc_sp64, following split): New pattern and splitter.
13605 (movdf_cc_reg_sp64): Rename from hidden pattern.
13606 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13608 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13610 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13612 * loop.c (load_mems): Don't hoist written floating point mem
13615 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13617 * except.h (struct eh_queue): Add `next' pointer.
13618 (struct eh_status): Make x_ehqueue a pointer.
13619 (push_ehqueue): Declare.
13620 (pop_ehqueue): Likewise.
13621 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13623 (expand_fixup_region_end): Likewise.
13624 (expand_leftover_cleanups): Likewise.
13625 (push_ehqueue): Define.
13626 (pop_ehqueue): Likewise.
13627 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13628 than doing it inline.
13629 (expand_start_all_catch): Adjust now that ehqueue is a
13631 (mark_eh_queue): Mark all level of the queue.
13632 (mark_eh_status): Adjust now that ehqueue is a
13634 (init_eh_for_function): Allocate ehqueue.
13635 (free_eh_status): Free it.
13636 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13637 expansion for a fixup.
13639 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13641 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13643 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13644 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13645 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13646 function_ptr, getpagesize, __enable_execute_stack,
13647 __enable_execute_stack, __clear_insn_cache,
13648 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13649 _cleanup, _exit, __default_terminate, __terminate_func,
13650 __terminate, __empty, __throw, new_eh_context,
13651 eh_context_initialize, eh_context_static, eh_context_specific,
13652 get_eh_context, __get_eh_context, __get_eh_info,
13653 init_reg_size_table, eh_threads_initialize,
13654 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13655 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13656 __pure_virtual): Add prototype arguments.
13657 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13658 Cast a signed value to unsigned long when comparing against one.
13659 (new_eh_context): Wrap in _GTHREADS macro.
13660 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13662 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13663 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13665 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13667 * combine.c (record_promoted_value): Remove unused variable
13670 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13672 * global.c (record_conflicts): Likewise for `j'.
13674 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13677 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13679 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13680 output_fp_compare): Constify a char*.
13682 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13684 (override_options, ix86_comp_type_attributes, print_operand,
13685 output_387_binary_op, output_fix_trunc, output_fp_compare):
13687 (ix86_sched_reorder): Mark parameter `clock_var' with
13690 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13692 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13694 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13695 operand, for use in the Java front-end.
13697 1999-12-10 Ben Collins <bcollins@debian.org>
13699 * configure.in: Fix typo for "-64" in 64bit as check.
13700 * configure: Rebuilt.
13702 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13704 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13707 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13709 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13710 concatenation is utilized.
13712 * invoke.texi (-Wtraditional): Document it.
13714 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13716 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13717 Cast a ptrdiff_t to long and pass it to printf with %ld.
13719 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13721 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13722 68881, we have no 68881 registers at all.
13723 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13724 value in a 68881 register if it is available.
13726 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13728 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13729 for long long multiply-accumulate.
13731 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13733 * loop.c (insert_loop_mem): Undo last change.
13735 1999-12-10 David S. Miller <davem@redhat.com>
13737 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13739 * config/sparc/sparc-protos.h: Add them.
13740 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13741 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13742 constraints which use those helpers.
13743 (EXTRA_CONSTRAINT): Use this new macro.
13744 * md.texi: Update sparc target constraints documentation.
13745 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13746 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13747 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13748 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13749 (movsf high/lo_sum split): Rework for new patterns.
13750 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13752 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13754 * c-common.c (c_common_nodes_and_builtins):
13755 Create __builtin_ptrdiff_t and __builtin_size_t.
13757 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13759 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13761 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13763 * regclass.c (globalize_reg): Re-instate test that allows
13764 fixed registers to be declared as a variable even after functions
13767 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13769 * i386.md (cpu attribute): Add "athlon".
13770 (athlon_decode): New attribute.
13771 (Athlon scheduling units definitions): New.
13772 (fcmp and shld patterns): Set athlon_decode to "vector".
13773 * i386.c (athlon_cost): New.
13775 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13776 x86_use_sahf): Set for Athlon.
13777 (x86_use_fiop): Unset for Athlon.
13778 (override_options): Define Athlon alignments and "athlon" name.
13779 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13780 * i386.h (TARGET_ATHLON): New.
13781 (enum processor_type): Add PROCESSOR_ATHLON.
13782 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13784 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13786 1999-12-09 Andreas Jaeger <aj@suse.de>
13788 * loop.c (record_biv): Declare parameter as int.
13790 * config/i386/i386-protos.h: Declare long_memory_operand.
13792 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13794 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13795 EXPR_WITH_FILE_LOCATION.
13797 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13799 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13802 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13804 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13807 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13809 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13810 default on linux64 again.
13811 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13812 models for multilibing.
13813 * genmultilib: Accept | as alternative separator within a set in
13816 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13818 * calls.c (precompute_arguments): Make sure initial_value contains
13819 value pseudo which CSE expects.
13820 * cse.c (struct set): New entry orig_src.
13821 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13824 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13826 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13828 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13830 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13832 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13834 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13835 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13837 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13840 * longlong.h: Merge in changes from glibc.
13841 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13842 -mno-app-regs libgcc can be compiled.
13843 * libgcc2.c: Add defines so that the updated longlong.h
13844 can be used in libgcc2.a. Also, make sure on most architectures
13845 (at least on all which have optimized code in longlong.h defined
13846 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13848 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13850 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13851 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13852 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13854 * configure: Rebuilt.
13856 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13858 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13859 outputs require a register.
13861 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13863 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13864 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13865 functions like dptoul will be resolved.
13866 (libgcc2.a): Make sure that the object files from DPBIT are named
13867 differently (prefix `_dp') from those that would be coming from
13870 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13872 * configure.in: When target is sparc* and tm_file contains 64,
13873 test for 64bit support in assembler. If not supported, remove
13874 sparc/t-sol2-64 from target-dependent Makefile fragments.
13875 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13876 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13877 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13878 * acconfig.h (AS_SPARC64_FLAG): Added.
13879 * configure, config.in: Rebuilt.
13880 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13881 support. Use AS_SPARC64_FLAG.
13883 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13885 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13886 suitable for holding OFmode values so that gcc works with complex
13888 (hard_64bit_mode_classes): Likewise.
13890 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13891 so that it is actually matched.
13892 (sethi_di_medlow): Likewise.
13894 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13895 as legitimate constant if -mvis.
13896 * config/sparc/sparc.md (movtf): Likewise.
13897 (clear_sf): Use const_double_operand.
13898 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13900 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13901 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13902 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13903 routines, _Qp_* cannot be handled like that now.
13904 (INIT_TARGET_OPTABS): Likewise.
13905 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13906 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13907 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13908 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13909 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13910 divtf3, sqrttf3): New expanders.
13911 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13912 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13913 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13916 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13917 * configure: Rebuilt.
13918 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13919 -mcpu is given and we're doing 64bit compiles.
13921 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13923 * loop.h (struct induction): Add multi_insn_incr.
13924 * loop.c (basic_induction_var): New multi_insn_incr argument.
13925 Set it if we search back through previous insns for the biv.
13926 (record_biv): New multi_insn_incr argument; fill in struct induction.
13927 (strength_reduce): Discard an iv with multiple bivs, any of
13928 which require multiple insns to increment.
13930 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13932 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13935 1999-12-06 David S. Miller <davem@redhat.com>
13937 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13938 PROMOTE_FUNCTION_RETURN.
13940 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13942 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13943 and handle REG_UNUSED note on insn.
13945 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13946 inner_mask instead of mask.
13948 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13950 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13951 zero if there was an error.
13953 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13955 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13958 * longlong.h: Fix clobbers in SPARC asm statements.
13960 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13961 valid sethi operations when TARGET_ARCH64.
13963 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13964 always use move_by_pieces to avoid infinite recursion.
13965 (restore_fixed_argument_area): Likewise.
13967 * combine.c (check_promoted_subreg, record_promoted_value): New
13969 (combine_instructions): Use them to retain nonzero and sign bit
13970 information after SUBREGs are eliminated by optimizations in
13971 this pass if PROMOTE_FUNCTION_RETURN.
13973 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13974 .register declaration. Don't use variables with __ prefixes.
13976 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13978 * fold-const.c (optimize_bit_field_compare): Only use one mode
13979 for both RHS and LHS in non-constant case.
13981 1999-12-06 Nathan Sidwell <nathan@acm.org>
13983 * frame.c (start_fde_sort): Only allocate erratic array, if
13984 linear one was allocated. Return allocated flag.
13985 (fde_insert): Only insert, if there's a valid array.
13986 (fde_end_sort): Split, sort and merge if linear and erratic
13987 arrays exist, else just sort linear one.
13988 (search_fdes): New function. Linear search through original fde
13990 (frame_init): Permit multiple initializations. Cope with
13992 (find_fde): Fallback on linear search, if failed to sort array.
13993 (__deregister_frame_info): Only free sorted array, if we
13996 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13998 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
14000 1999-12-05 Jakub Jelinek <jakub@redhat.com>
14002 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
14004 1999-12-05 Mark Mitchell <mark@codesourcery.com>
14006 * tree.h (special_function_p): Declare.
14007 * calls.c (special_function_p): Make it global. Don't take `name'
14008 as a parameter. Fix typo in 1999-11-28 change.
14009 (expand_cal): Adjust.
14011 1999-12-04 Mark Mitchell <mark@codesourcery.com>
14013 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
14014 * tree.h (EXPR_WFL_FILENAME): Define in terms of
14015 EXPR_WFL_FILENAME_NODE.
14016 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
14018 * print-tree.c (print_note): Print TREE_PRIVATE and
14021 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
14022 the original die cannot be found.
14024 * varray.h (varray_head_tag): Add elements_used.
14025 (VARRAY_PUSH): New macro.
14026 (VARRAY_POP): Likewise.
14027 (VARRAY_TOP): Likewise.
14028 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
14030 * varray.c (varray_init): Initialize elements_used.
14031 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
14032 (INTEGRATE_H): New variable.
14033 (integrate.o): Depend on INTEGRATE_H.
14034 (unroll.o): Likewise.
14036 * function.h (insert_block_after_note): Declare.
14037 * function.c (insert_block_after_note): Split out from ...
14038 (retrofit_block): ... here.
14040 * stmt.c (expand_fixup): Fix typo in comment.
14042 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14044 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
14045 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
14046 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
14047 (regmove_optimize, fixup_match_1): Likewise.
14049 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14051 * flow.c (flow_loops_dump): Add missing argument when calling
14052 flow_loop_nested_p.
14054 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
14055 Greg McGary <gkm@gnu.org>
14057 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
14058 (init_attributes): Add A_NO_LIMIT_STACK.
14059 (decl_attributes): Handle A_NO_LIMIT_STACK.
14060 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
14061 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14062 Handle stack bounds checking.
14063 * flags.h (flag_stack_check): Use the word 'probe' rather than
14064 'check', because the flag doesn't actually cause any checking to
14066 * function.c (expand_function_start): Set
14067 current_function_limit_stack.
14068 * function.h (struct function): Add limit_stack.
14069 (current_function_limit_stack): Define.
14070 * invoke.texi (Code Gen Options): Document new options.
14071 * rtl.h: Declare stack_limit_rtx.
14072 * toplev.c (stack_limit_rtx): New variable.
14073 (decode_f_option): Handle new options -fstack-limit-register=REG,
14074 -fstack-limit-symbol=IDENT, -fno-stack-limit.
14075 (main): Add stack_limit_rtx as GC root.
14076 * tree.h (DECL_NO_LIMIT_STACK): New macro.
14077 (struct tree_decl): New member no_limit_stack.
14079 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
14081 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
14082 (conditional_trap+1): Get new mnemonic correct.
14083 (conditional_trap+2): New pattern for DImode traps.
14085 * config/m68k/m68k.c (output_function_prologue): Handle
14087 * config/m68k/m68k.md (trap): New insn.
14088 (conditional_trap): New insn.
14089 * md.texi (Standard Names): Document `trap' and
14090 `conditional_trap'.
14091 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
14092 so a cc0 setter doesn't get emitted at some random place in the
14095 * config/i960/i960.md (trap): New insn.
14096 (conditional_trap): New expander.
14097 (conditional_trap+1, conditional_trap+2): New insns for signed
14098 and unsigned cases.
14099 * config/i960/i960.c (i960_function_prologue): Use
14100 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
14102 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
14103 Geoffrey Keating <geoffk@cygnus.com>
14105 * flags.h (warn_padded, warn_packed): Add global var decls.
14106 * toplev.c (warn_padded, warn_packed): Add global var defns.
14107 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
14108 * stor-layout.c (layout_record): Add local variable `type'
14109 to hold often-used TREE_TYPE (field). Add local variable
14110 `unpacked_align' to hold alignment that would be in force
14111 if no `packed' attribute were present. Warn if `packed' attribute
14112 is unnecessary, or even harmful. Warn when gcc inserts padding
14113 to satisfy alignment requirements of members. Use NULL_TREE
14114 when checking whether var_size is set.
14115 * invoke.texi: Document new flags.
14117 1999-12-03 Nathan Sidwell <nathan@acm.org>
14119 * frame.c (fde_split): Reimplement to avoid variable sized array.
14121 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14123 * combine.c (try_combine): Before fixing up LOG_LINKS for the
14124 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
14126 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
14128 * invoke.texi: Document the mips option -mno-crt0
14130 1999-12-02 Mike Karr <mkarr@mathworks.com>
14132 * cccp.c (argdata): Added free_ptr member.
14133 (macroexpand): Initialize free_ptr of each argument. When an
14134 argument's buffers are freed, if the argument's free_ptr corresponds
14135 to a buffer on the input stack, then return the free_ptr to that stack
14136 frame, otherwise, free it.
14137 (macarg): If an argument begins and ends on the same input stack level,
14138 then transfer the free_ptr of that buffer to the argument in case
14139 the stack is popped during the processing of a subsequent argument.
14141 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
14143 * loop.c (note_reg_stored): New function.
14144 (struct note_reg_stored_arg): New structure.
14145 (try_copy_prop): Change to be more conservative; only replace within
14146 one extended basic block and stop replacing if a store to the
14147 replacement reg is seen.
14149 1999-12-02 Nick Clifton <nickc@cygnus.com>
14151 * config/fp-bit.c: Initialise all fields of the NAN
14154 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
14157 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14159 * i386.md (extend?f?f2): Force the input into a register, not
14162 1999-12-01 Jakub Jelinek <jakub@redhat.com>
14164 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
14166 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
14167 alternative because setting up 64bit constant is usually costly,
14168 especially when reload is in progress or completed.
14169 (movdf_const_intreg_sp64): Likewise.
14170 (movdf_const_intreg split): Fix building up constants when
14171 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
14173 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
14175 * combine.c (if_then_else_cond): Use const_true_rtx instead of
14176 const1_rtx for return values in EQ/NE comparison against (const_int 0)
14179 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
14180 (asm_file_start): Emit .am33 into assembly file when compiling for
14182 (print_operand_address): Handle POST_INC addresses.
14183 (can_use_return_insn, initial_offset): Check AM33 registers too.
14184 (expand_prologue): Check & save AM33 registers too.
14185 (expand_epilogue): Similarly.
14186 (secondary_reload_class): Handle AM33 specific secondary reloads.
14187 (output_tst): Emit efficient code for the AM33 too.
14188 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
14189 (TARGET_SWITCHES): Add -mam33 switch.
14190 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
14191 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
14192 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
14193 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
14194 (enum reg_class, REG_CLASS_NAMES): Likewise.
14195 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
14196 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
14197 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
14198 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
14199 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
14200 (HAVE_POST_INCREMENT): Define.
14201 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
14202 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
14203 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
14204 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
14205 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
14206 (zero_extend to SI from QI/HI): Likewise.
14207 (sign_extend to SI from QI/HI): Likewise.
14208 (mulsidi3, umulsidi3): New patterns for the AM33.
14209 (tstsi with zero extension from QI/HI): Add AM33 variants.
14210 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
14211 (return_internal_regs, store_movm): Handle new AM33 registers.
14212 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
14213 (LIBGCC, INSTALL_LIBGCC): Likewise.
14214 * invoke.texi: Document new flags.
14216 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14218 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
14219 (addsi3_carry): Likewise.
14220 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
14221 (sbbsi3_carry): Likewise.
14222 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
14223 (mulhi3): Likewise.
14224 (test?i_1): Ensure that only one operand is memory.
14225 (conditional move patterns): likewise.
14226 (shift and rotate patterns): Rewrite to expander, add
14227 "binary_operator_ok" to the condition.
14229 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
14230 * i386.h (procesor_costs): Add movzbl_load field.
14231 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
14232 non-Q registers, accept DImode registers anywhere.
14234 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
14235 * i386.c (*_cost): Set value for movxbl_load field.
14237 * (addsi): New add to lea splitter.
14238 (ashlsi): Likewise.
14239 (lea to add/shift peep2): New.
14241 1999-12-01 Mark Salter <msalter@cygnus.com>
14243 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14244 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14245 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14247 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14249 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14250 * i386.md (movsi_xor): New.
14252 (movsi_1, movhi_1, movqi_1): Remove.
14253 (movsi_2): Rename to movsi_1.
14254 (movhi_2): Rename to movhi_1.
14255 (movqi_2): Rename to movqi_1.
14256 (movdi_1): Remove; remove splitter.
14257 (movdi_2): Rename to movdi_1.
14258 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14259 (long move peep2): Do not create QI or HI mode mov0s
14260 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14262 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14265 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14266 (abs?f2_if): Likewise.
14268 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14270 * ggc.h (ggc_test_and_set_mark): New macro.
14271 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14272 (ggc_mark_tree): Likewise.
14273 (ggc_mark_rtvec): Likewise.
14274 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14276 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14278 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14280 (decl_scope_table): Just an array of trees now.
14281 (push_decl_scope): Simplify.
14282 (dwarf2out_init): Adjust.
14283 (local_scope_p): New fn.
14284 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14285 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14286 (gen_typedef_die): Likewise.
14287 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14288 (gen_inlined_subroutine_die): Likewise.
14289 (gen_abstract_function): Set current_function_decl temporarily.
14290 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14291 Handle block extern declarations. Don't call push/pop_decl_scope.
14292 (gen_decl_die): Fix logic for block externs.
14294 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14296 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14297 to the list of functions which have attribute malloc by default.
14299 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14301 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14302 integer constant does not match the traditional type, limit the
14303 warnings to cases where the base of the type is ten.
14305 * invoke.texi (-Wtraditional): Document it.
14307 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14309 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14310 * rs6000.md: Only access a CONST_INT with INTVAL
14312 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14314 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14315 (compute_nearerout): Likewise.
14316 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14317 size_t to unsigned long for formatting.
14319 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14321 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14322 Allow the user to override call-used/fixed state of %g2-5
14323 registers from the command line (with the exception of %g4 for
14325 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14326 there is a higher chance of having a leaf function.
14327 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14328 for ARCH64 which has %ccr register.
14329 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14331 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14332 insn accept into delay slot any insn which does not use %[ol]
14333 registers. Accept some LO_SUM and shift left by 1 for the normal
14335 (output_function_epilogue): Likewise.
14336 (epilogue_renumber): Added argument which inhibits any renumbering
14337 and just tests if the rtx does not use any %[ol] registers.
14338 (output_return): Reflect above change.
14340 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14342 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14343 aggregate passing for sizes <= 16 bytes.
14345 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14347 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14348 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14349 * reload.c (find_dummy_reload): Likewise.
14350 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14351 * reload1.c (reload_as_needed): Likewise.
14352 * stupid.c (stupid_find_reg): Likewise.
14353 * tm.texi (Obsolete Register Macros): Delete section.
14354 * gmicro.h: Remove all traces of the two macros.
14355 * i386.h: Likewise.
14356 * m88k.h: Likewise.
14357 * mips.h: Likewise.
14359 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14361 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14362 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14363 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14364 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14365 units for the sparclite86x chip.
14366 (flush): Revert October 14th change; add SImode specifically.
14367 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14368 * invoke.texi: Document it.
14370 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14372 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14373 psimode_truncation_operand.
14375 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14376 function. Return true if the operand is either a MEM valid
14377 for a PSImode address or not a MEM at all.
14379 * config/mn10200/mn10200.md (truncsipsi2): Use
14380 psimode_truncation_operand.
14382 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14384 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14385 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14386 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14387 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14388 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14389 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14390 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14391 * basic-block.h: Protect from multiple inclusion.
14392 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14393 (struct loops, struct loop): Define structures.
14394 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14395 * sbitmap.h: Protect from multiple inclusion.
14396 (sbitmap_a_subset_b_p): Add prototype.
14397 * Makefile.in (LOOP_H): New macro.
14398 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14400 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14402 * cppinit.c (CAT): The argument list of this macro may not contain
14405 1999-11-29 David S. Miller <davem@redhat.com>
14407 Move quantity tables and register equivalence chains into
14408 per-qty and per-register structure arrays respectively.
14409 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14410 qty_const_insn, qty_comparison_code, qty_comparison_const,
14411 qty_comparison_qty): Delete, replace with...
14412 (qty_table): this structure table.
14413 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14414 (reg_eqv_table): this structure table.
14415 (make_new_qty): Add argument MODE. Caller updated.
14416 Update to use qty_table and reg_eqv_table.
14417 (make_regs_eqv, delete_reg_equiv, insert_regs,
14418 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14419 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14420 cse_process_notes, cse_main, cse_basic_block): Likewise.
14422 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14424 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14425 operation if C is negative.
14426 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14427 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14428 law for some divisions if constant is negative and change other
14429 divisions to the opposite rounding.
14431 * expr.c (store_constructor_field): If bit position is not multiple
14432 of alignment of TARGET's mode, use BLKmode.
14434 * expr.c (expand_expr_unaligned): Add more code from full case
14435 that is needed when OP0 is in a register.
14437 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14439 * dwarfout.c (field_byte_offset): Size can be zero if there was
14442 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14444 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14445 (associate_trees): Delete unused var TEM.
14446 (extract_muldiv): Delete unused var CANCEL_P.
14448 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14449 (target_isinf, target_isnan, target_negative): Add return types to
14450 function definitions.
14452 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14454 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14455 * fixinc/hackshell.tpl: ditto
14456 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14457 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14459 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14461 * reload.c (push_reload): When looking for a register to put into
14462 reg_rtx, make sure all hard regs in a multi-reg register are in the
14463 right class and nonfixed.
14465 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14466 pending_read_insns, pending_write_insns, pending_read_mems,
14467 pending_write_mems, pending_list_length, last_pending_memory_flush,
14468 last_function_call, sched_before_next_call): Move static variables
14470 (bb_ prefixed versions): Replace with single array bb_deps.
14471 (struct deps): New structure.
14472 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14473 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14474 argument of type "struct deps *"; use that instead of global
14475 variables. All callers changed.
14476 (init_rgn_data_dependencies): Delete function.
14477 (init_rtx_vector): Delete function.
14478 (init_deps): New function.
14480 (free_pending_lists): Simplify, we always use the bb_deps array even
14481 if only one basic block.
14482 (compute_block_backward_dependences): Likewise.
14483 (schedule_region): Likewise.
14485 (propagate_deps): New function, broken out of
14486 compute_block_backward_dependences.
14487 (compute_block_backward_dependences): Use it.
14489 * alpha.md: Delete useless patterns that tried to work around
14490 register elimination problems.
14492 * unroll.c (loop_iterations): Don't abort if iteration variable
14495 From Joern Rennecke:
14496 * reload1.c (reloads_conflict): Reverse test comparing operand
14497 numbers when testing for conflict between output/outaddr reloads.
14499 1999-11-29 David S. Miller <davem@redhat.com>
14501 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14503 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14505 1999-11-28 Robert Lipe <robertl@cygnus.com>
14507 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14508 table from .fini into .dtor.
14510 1999-11-28 Anthony Green <green@cygnus.com>
14512 * tree.h (struct tree_decl): Add malloc_flag.
14513 (DECL_IS_MALLOC): Define.
14514 * c-common.c (attrs): Add A_MALLOC attribute.
14515 (init_attributes): Add this attribute to the table.
14516 (decl_attributes): Handle malloc attribute.
14517 * calls.c (special_function_p): Check for the malloc attribute.
14518 * extend.texi (Function Attributes): Document malloc attribute.
14520 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14522 * pa.md (reload shift-add patterns): Remove.
14524 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14526 * reorg.c (dbr_schedule) Print more statistics. Corrected
14527 problem when printing info when 3 delay slots are filled.
14529 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14531 * combine.c (setup_incoming_promotions): Pass an outgoing
14532 regno to FUNCTION_ARG_REGNO_P which it expects.
14534 1999-11-28 Andreas Jaeger <aj@suse.de>
14536 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14538 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14540 * cccp.c (do_include): Avoid initialization of automatic variable.
14542 * integrate.c (mark_stores): Function definition made void, to match
14543 previous declaration.
14544 * regclass.c (dump_regclass): Ditto.
14545 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14547 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14549 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14550 known to be multiple of divisor.
14552 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14554 * combine.c (try_combine): Add code to try to merge a set of a
14555 two-word pseudo to a constant with a setting of one of those words
14558 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14559 (split_tree): Completely rework to make more general.
14560 (make_range, fold): Call negate_expr.
14561 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14562 (fold, associate): Call new split_tree and associate_trees.
14563 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14565 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14567 * loop.c (try_copy_prop): Avoid GNU C extension.
14569 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14571 * except.c (init_eh_for_function): Still zero eh_return_context,
14572 eh_return_stack_adjust, and eh_return_handler.
14574 * except.h (eh_status): Adjust documentation for x_protect_list.
14575 (begin_protect_partials): New function.
14576 * except.c (enqueue_eh_entry): Fix formatting.
14577 (get_first_handler): Add consistency check.
14578 (add_partial_entry): Adjust usage of protect_list.
14579 (emit_cleanup_handler): Save and restore ehqueue.
14580 (expand_start_all_catch): Add comment.
14581 (begin_protect_partials): New function.
14582 (end_protect_partials): Adjust usage of protect_list.
14583 (init_eh_for_function): Use xcalloc.
14585 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14587 * c-common.c (check_format_info): Don't call a variadic function
14588 with a non-literal format string.
14590 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14592 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14593 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14596 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14599 * collect2.c (collect_wait): Likewise.
14601 * dbxout.c (dbxout_type): Likewise.
14603 * gcc.c (do_spec_1): Likewise.
14605 * genemit.c (gen_insn, gen_expand): Likewise.
14607 * genrecog.c (write_switch, write_subroutine): Likewise.
14609 * mips-tfile.c (catch_signal, botch): Likewise.
14611 * print-rtl.c (print_rtx): Likewise.
14613 * toplev.c (default_print_error_function, report_error_function,
14614 _fatal_insn): Likewise.
14616 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14618 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14620 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14622 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14623 operations when needed.
14624 * i386.md (fop_?f_comm): New.
14625 (fop_?f_1): Do not accept commutative operands.
14627 1999-11-25 Andreas Jaeger <aj@suse.de>
14629 * config/mips/mips.md (casesi_internal): Add missing brace.
14631 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14633 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14634 (splice_child_die): Handle moving a child DIE from the declaration
14635 DIE of a class to its specification.
14636 (gen_struct_or_union_type_die): Use 'complete' consistently.
14637 (gen_decl_die): Generate the virtual context DIE first.
14638 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14640 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14642 * config/mips/mips.md (call_value_multiple_interanal1): New.
14644 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14646 * dwarf2out.c (free_AT, free_die): New fns.
14647 (remove_children): Call them.
14648 (output_line_info): Disable removal of duplicate notes.
14650 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14651 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14652 means pretend the type isn't defined.
14653 Don't defer emitting types.
14654 (gen_type_die_for_member): New fn.
14655 (gen_decl_die): Call it.
14656 (splice_child_die): New fn.
14657 (gen_member_die): Call it rather than generate duplicate dies.
14659 Defer emitting information for the abstract instance of an inline
14660 until we either inline it or emit an out-of-line copy.
14661 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14662 from output_inline_function if DECL_ABSTRACT is also set.
14663 (block_ultimate_origin): Likewise.
14664 (gen_abstract_function): New fn.
14665 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14666 (gen_subprogram_die): An abstract instance is not a declaration
14667 just because it doesn't match current_function_decl. Don't abort
14668 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14669 has an abstract origin.
14670 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14671 abstract instance here.
14673 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14675 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14676 where we need to reload fpul from a system register.
14678 1999-11-24 Andreas Jaeger <aj@suse.de>
14680 * config/mips/linux.h (CPP_PREDEFINES): Added.
14681 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14683 1999-11-24 Andreas Jaeger <aj@suse.de>
14685 * config/mips/linux.h (TARGET_VERSION): Added.
14686 (HANDLE_SYSV_PRAGMA): Added.
14687 (DEFAULT_VTABLE_THUNKS): Added.
14689 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14691 * local-alloc.c (qty): New structure and static variable.
14692 (qty_phys_reg): Remove, all references changed to qty.
14693 (qty_n_refs): Likewise.
14694 (qty_min_class): Likewise.
14695 (qty_birth): Likewise.
14696 (qty_death): Likewise.
14697 (qty_size): Likewise.
14698 (qty_mode): Likewise.
14699 (qty_n_calls_crossed): Likewise.
14700 (qty_alternate_class): Likewise.
14701 (qty_changes_size): Likewise.
14702 (qty_first_reg): Likewise.
14703 (alloc_qty): Rename variable QTY to QTYNO.
14704 (finf_free_reg): Likewise.
14705 (local_alloc): Allocate qty, do not allocate the removed variables.
14707 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14709 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14710 when -membedded-pic is passed.
14712 * config/mips/mips.md (casesi): Handle 64-bit case too.
14713 (casesi_internal_di): New insn.
14715 * config/mips/mips.c (embedded_pic_offset): Always make the
14716 embedded-pic subtractions relative to the name of the current
14717 function by use of the magic string "..CURRENT_FUNCTION".
14718 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14720 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14722 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14723 of (const_int 0), when what we really care about is
14724 whether it's a zero constant anyway.
14725 (div_trap_mips16): Likewise.
14727 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14729 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14730 unroll_block_trees when generating debuggable code.
14732 * tree.h (unsave_expr_1): New function.
14733 (lang_unsave): New variable.
14734 (get_callee_fndecl): New function.
14735 * tree.c (unsave_expr_now_r): New function.
14736 (lang_unsave): Define.
14737 (unsave_expr_1): Likewise.
14738 (unsave_expr_now_r): Split out from unsave_expr_now.
14739 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14740 call unsave_expr_now_r.
14741 (get_callee_fndecl): Define.
14743 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14744 (gencheck.o): Do depend on lang_tree_files.
14746 * integrate.h (copy_decl_for_inlining): New declaration.
14747 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14748 (copy_decl_for_inlining): New function.
14749 (integrate_parm_decls): Use it.
14750 (integrate_decl_tree): Likewise.
14752 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14754 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14755 the second two from the first.
14756 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14757 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14758 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14760 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14761 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14764 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14766 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14767 needed on the address operand.
14768 * pa.c (call_operand_address): Check for the correct mode.
14770 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14772 * loop.c: Include "basic-block.h".
14773 (try_copy_prop, replace_loop_reg): New functions.
14774 (load_mems): Detect registers that just hold copies of the hoisted
14775 mem, and call try_copy_prop to eliminate them.
14776 * Makefile.in (loop.o): Update dependencies.
14778 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14780 * Makefile.in (gencheck.o): Depend on gencheck.h.
14781 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14782 (insn-peep.o): Depend on except.h and function.h.
14783 (insn-attrtab.o): Depend on RECOG_H.
14784 (insn-output.o): Depend on toplev.h and flags.h.
14785 (gengenrtl.o): Depend on real.h.
14786 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14787 Unify all dependencies to be on RECOG_H rather than recog.h.
14789 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14791 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14792 * configure.in: Try building a bi-arch 32/64-bit compiler on
14793 sparc-*-solaris2.7 and higher.
14794 * configure: Rebuild.
14796 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14798 * config/freebsd.h: New, FreeBSD architecture independent file.
14799 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14800 independent pieces.
14801 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14802 directly by i386/freebsd.h.
14803 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14804 independent configuration file.
14805 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14806 directly by i386/freebsd.h.
14807 * configure: Rebuilt.
14809 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14810 which is in the user's namespace.
14811 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14812 `i386' which is not in our namespace.
14814 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14816 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14818 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14820 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14821 (add_dwarf_attr, add_child_die): Just push onto the front.
14822 (reverse_die_lists): New fn.
14823 (add_sibling_attributes): Use it.
14824 (push_decl_scope): Reorganize.
14825 (add_name_and_src_coords_attributes): Don't set file and line for
14826 an artificial decl.
14827 (gen_subprogram_die): An artificial function doesn't need to match
14829 (gen_compile_unit_die): Return the generated die. Only add
14830 AT_comp_dir if the filename is relative.
14831 (remove_AT): Simplify loop. Also free string values.
14832 (output_die): A DIE ref can't be null.
14833 (output_value_format, value_format): Take a dw_attr_ref.
14834 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14835 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14836 AT_addr, AT_lbl): New fns.
14837 (various): Use them.
14838 (various): Constify.
14840 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14842 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14843 take SUBREG_WORD into account.
14844 (if_then_else_cond): Likewise.
14846 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14848 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14849 clause from BSD license, pursuant with
14851 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14853 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14855 * loop.c (load_mems): Reformat slightly.
14856 * basic-block.h (regset_head): New typedef.
14857 (INIT_REG_SET): New macro.
14859 1999-11-22 Bruce Korb <autogen@linuxbox.com
14861 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14862 (mips-dec-bsd*): non-functional code
14863 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14865 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14866 added three replacement fixes
14867 (no_double_slash): removed comments that are not (any longer) pertinent
14868 (bad_lval): this fix currently runs against many files.
14869 The comment seems to indicate that we should select for files
14870 containing 'pragma extern_prefix'.
14872 * fixinc/fixinc.x86-linux-gnu: deleted
14873 * fixinc/inclhack.sh: regen
14874 * fixinc/fixincl.x: regen
14875 * fixinc/fixincl.sh: regen
14877 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14879 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14880 its code is INSN and it has no notes.
14882 1999-11-22 Andrew Haley <aph@cygnus.com>
14884 * varasm.c (function_defined): Remove.
14885 (make_function_rtl): Don't set function_defined.
14886 (make_decl_rtl): Remove global register warning.
14887 * regclass.c (no_global_reg_vars): New variable.
14888 (globalize_reg): Warn if function has already been defined.
14889 (regclass_init): Set no_global_reg_vars.
14891 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14893 * regclass.c (reg_pref): New structure and static variable
14894 (prefclass): Delete.
14895 (altclass): Delete.
14896 (all uses of prefclass and altclass): Use reg_pref instead.
14898 1999-11-21 Nick Clifton <nickc@cygnus.com>
14900 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14902 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14903 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14904 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14906 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14908 * varasm.c (output_constructor): Solve problem with long long
14909 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14911 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14913 * global.c (allocno): New structure and static variable.
14914 (allocno_reg): Remove, all references replaced by allocno.
14915 (allocno_size): Likewise.
14916 (hard_reg_conflicts): Likewise.
14917 (hard_reg_preferences): Likewise.
14918 (hard_reg_copy_preferences): Likewise.
14919 (hard_reg_full_preferences): Likewise.
14920 (regs_someone_prefers): Likewise.
14921 (allocno_calls_crossed): Likewise.
14922 (allocno_n_refs): Likewise.
14923 (allocno_live_length): Likewise.
14924 (find_reg): Rename ALLOCNO to NUM.
14926 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14927 references updated.
14928 (may_move_out_cost): New variable.
14929 (init_reg_sets_1): Initialize may_move_out_cost.
14930 (record_reg_classes): Use may_move_out_cost.
14932 * regclass.c (dump_regclass): New function.
14933 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14934 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14935 pass rtl_dump_file to regclass.
14936 * rtl.h (regclass): Update prototype.
14938 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14940 * i386.md (neg, not and abs patterns): Revmap to use
14941 ix86_expand_unary_operator and ix86_unary_operator_ok.
14942 (add?f and sub?f expanders): Force operand 1 to register.
14943 * i386.c (ix86_expand_unary_operator): Rewrite.
14944 (ix86_unary_operator_ok): Ensure that memory operands
14946 (ix86_binary_operator_ok): Do not allow operand 1 to
14947 come into memory and operand 0 not.
14948 (ix86_expand_binary_operator): Ensure that
14949 src1 is not non-matching memory.
14951 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14952 to support integer registers and memory.
14953 (abss?2_integer): Likewise.
14955 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14956 (REG_CLASS_NAMES): Likewise.
14957 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14959 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14960 (movsf): Likewise; unify 4th and 5th alternative.
14961 (pushdf): Likewise.
14962 (movdf_1): Likewise; rename to movdf_integer.
14963 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14964 remove redundant splitter.
14965 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14966 (movdf_nointeger): New.
14967 (movxf_nointeger): New.
14968 (pushxf_nointeger): New.
14970 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14971 memory operands in patterns.
14972 (fop*): Refuse two memory operands.
14974 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14975 on !TARGET_USE_CLTD CPUs.
14977 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14979 * extend.texi: Document C++ restricted pointers and references.
14981 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14983 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14984 (invalidate_skipped_set): Call it unconditionally.
14985 (cse_set_around_loop): Likewise.
14987 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14989 * rtl.texi (mem): Add documentation for alias-set argument
14992 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14994 * i386.h (struct_processor_costs): New fields int_load, int_store,
14995 fp_move, fp_load and fp_store
14996 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14998 (MEMORY_MOVE_COST): New macro.
14999 * i386.c (386_cost): Define new fields.
15000 (i486_cost): Likewise.
15001 (pentium_cost): Likewise.
15002 (pentiumpro_cost): Likewise.
15003 (k6_cost): Likewise.
15005 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
15006 Geoffrey Keating <geoffk@cygnus.com>
15008 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
15010 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
15013 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
15014 (TARGET_STRICT_ALIGNMENT): New macro.
15015 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
15016 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
15017 * invoke.texi (M680x0 Options): Document -mstrict-align.
15019 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
15020 Richard Henderson <rth@cygnus.com>
15022 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
15023 (ix86_split_long_move): Declare.
15024 * i386.c (split_xf, ix86_split_movdi): Remove.
15025 (ix86_split_to_parts, ix86_split_long_move): New.
15026 * i386.md (dimode move splitters): Use ix86_split_long_move.
15027 (dfmode move splitters): Likewise.
15028 (xfmode move splitters): Likewise.
15029 (movsf_1): Allow F->r.
15030 (movdf_1, movxf_1): Allow F->ro.
15032 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15034 * except.h (struct eh_entry): Add goto_entry_p.
15035 (eh_region_from_symbol): Remove prototype.
15036 * except.c (find_func_region_from_symbol): New function.
15037 (emit_cleanup_handler): Likewise.
15038 (eh_region_from_symbol): Make it static.
15039 (add_new_handler): Verify the argument.
15040 (find_func_region): Update comment.
15041 (expand_eh_region_end): Expand handlers here, rater than waiting
15042 until expand_leftover_cleanups or start_all_catch.
15043 (expand_leftover_cleanups): Don't expand here.
15044 (expand_start_all_catch): Or here.
15045 (expand_rethrow): Check the return value from find_func_region.
15046 * function.c (expand_function_end): Emit the catch_clauses.
15048 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
15050 * integrate.c (expand_inline_function): Add necessary check for NULL.
15052 1999-11-18 Nick Clifton <nickc@cygnus.com>
15054 * toplev.c (main): Correctly detect an unrecognised option.
15056 * cppinit.c (cpp_handle_option): Do not claim to have consumed
15057 a -f option if it has not been recognised.
15059 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
15061 * basic-block.h (update_life_extent): Remove trailing comma on
15062 enumeration type list.
15064 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15066 * varasm.c (output_constructor) Solved problem with long long
15067 bitfields. Corrected calculating this_time and shift. Also
15068 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
15070 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
15072 * flow.c (split_edge): Take looping structure into account when
15073 determining where to put the new block note.
15075 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
15077 * Makefile.in (ggc-none.o): Provide host specific version if
15080 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
15082 * cse.c (delete_trivially_dead_insns): Identify no-op insns
15083 containing subregs too.
15085 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15087 * invoke.texi: Add documentation for -muninit-const-in-rodata.
15088 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
15089 (TARGET_UNINIT_CONST_IN_RODATA): Define.
15090 (text_section): Add switches -munint-const-in-rodata and
15091 -mno-uninit-const-in-rodata.
15092 (ASM_OUTPUT_COMMON): Remove.
15093 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
15094 const objects should be placed in read-only data. Otherwise declare
15097 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
15099 * jump.c (jump_optimize_1): Revert last change.
15101 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
15103 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
15104 test if optimizing for size.
15106 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15108 * Makefile.in (toplev.o): Depend on except.h.
15109 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
15111 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15113 * i386.md (divmodsi4): Rewrite to expander.
15114 (*divmodsi4_nocltd): New.
15115 (*divmodsi4_cltd): New.
15116 (divmodsi4 splitter): Handle the case when input comes in edx.
15117 (udivmodhi4): Do not use constraints in exander.
15118 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
15120 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
15122 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
15123 for the common case.
15125 1999-11-16 Jakub Jelinek <jakub@redhat.com>
15127 * explow.c (hard_function_value): Add outgoing argument.
15128 * expr.h (hard_function_value): Declare it.
15129 * calls.c (expand_call, emit_library_call_value): Update callers.
15130 * function.c (aggregate_value_p): Ditto.
15131 (diddle_return_value): Must look at the outgoing registers
15132 on archs with register windows.
15134 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
15136 * alpha.c (alpha_build_va_list): Use make_lang_type and
15137 initialize TYPE_NAME for the va_list record.
15139 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
15141 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
15143 * ggc.h (struct ggc_statistics): Rearrange elements for better
15144 packing on 64-bit hosts.
15145 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
15146 (compute_nearerout): Likewise.
15148 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
15150 * config/rs6000/rs6000.c (first_reg_to_save): Save
15151 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
15153 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
15155 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
15156 notion of nesting to find the DIE for a type or function.
15157 DIEs can go in limbo even if we got a context_die.
15158 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
15159 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
15161 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
15162 (gen_type_die): Writing out the context doesn't cause member class
15163 template instantiations to be written out as well.
15165 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
15167 * rs6000.h (ASM_OUTPUT_DEF): New.
15168 Based on proposed addition from David Edelsohn.
15170 1999-11-15 Robert Lipe <RobertLipe@usa.net>
15171 Bruce Korb <autogen@linuxbox.com>
15173 * fixinc/inclhack.def
15174 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
15175 (unixware7_byteorder_fix): added. Removes conflicts for new defs
15177 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
15178 (svr4_endian): enabled with SVR5
15179 (svr4_mkdev): simplified syntax and enabled with SVR5
15181 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
15183 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
15184 * configure: Rebuilt.
15185 * config/t-freebsd-thread: New file.
15187 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
15189 * i386.c (ix86_decompose_address): Verify the base is a REG
15190 before trying to examine its register number.
15192 * basic-block.h: Remove all #defines and prototypes related to
15194 (free_bb_mem, compute_preds_succs): Remove prototype.
15195 * rtl.h (free_bb_mem): Remove prototype.
15196 * flow.c (alloc_int_list_node); Remove function.
15197 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
15198 (compute_preds_succs, free_bb_mem): Likewise.
15199 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
15200 * toplev.c (rest_of_compilation): Likewise.
15201 * haifa-sched.c (build_control_flow): Use flow generated edge
15202 list to build the haifa specific edge list.
15203 (find_rgns): Use new CFG data structures instead of pred/succ lists.
15204 (schedule_insns): Do not build pred/succ lists anymore. Instead
15205 build the edge table.
15207 * basic-block.h (dump_bb_data): Remove declaration.
15208 * flow.c (dump_bb_data): Remove function.
15209 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
15210 (sbitmap_union_of_predsucc): Likewise.
15212 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
15213 argument. All callers changed.
15214 (delete_null_pointer_checks_1): No longer need to compute the
15217 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
15218 All callers changed.
15219 (pre_expr_reaches_here_p_work): Likewise.
15220 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
15221 * lcm.c (compute_laterin): Fix initialization of LATER.
15222 (compute_nearerout): Similarly for NEARER.
15224 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15226 * cse.c (set_nonvarying_address_components): Delete unused function.
15227 (refers_to_p): Likewise.
15229 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
15231 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
15234 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15236 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15237 definition in do while (0).
15239 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15241 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15243 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15245 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15247 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15249 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15250 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15251 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15252 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15254 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15255 saved on the stack. Output more accurate stack frame statistics
15256 into assembler file.
15258 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15260 * genextract.c (record_insn_name): New function.
15261 (get_insn_name): No longer a stub.
15262 (main): Call record_insn_name for each insn. After each label
15263 written, print the insn name in a comment.
15265 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15267 * output.h (const_section, init_section, fini_section): Add
15270 * alpha/elf.h (const_section): Delete declaration.
15272 * svr4.h (const_section): Likewise.
15274 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15276 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15277 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15278 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15280 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15281 variable-sized array bounds.
15283 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15285 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15288 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15290 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15291 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15293 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15295 * cse.c (hash_arg_in_struct): Delete.
15296 (struct table_elt): Delete elt in_struct.
15297 (struct set): Delete elt src_in_struct.
15298 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15299 the corresponding in_struct elts.
15300 (canon_hash): Likewise.
15301 (safe_hash): Likewise.
15302 (find_best_addr): Likewise.
15303 (record_jump_cond): Likewise.
15304 (cse_insn): Likewise.
15306 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15308 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15310 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15313 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15315 * function.c (diddle_return_value): Put back check that the DECL_RTL
15316 for the function is a register.
15318 * function.c (diddle_return_value): Use hard_function_value to
15319 get an rtx suitable for use in the USE/CLOBBER insn.
15321 * global.c (global_conflicts): Update comments.
15322 (record_conflicts): No need to record conflicts between pseudos here.
15324 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15326 * fixinc/fixincl.c: Added verbose levels for status messages
15328 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15330 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15331 operand as argument to expand_and or expand_binop.
15333 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15335 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15336 gcc_add_string_root.
15338 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15340 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15342 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15344 * flow.c (compute_flow_dominators): Initially put all blocks on
15346 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15347 * gcse.c (compute_cprop_avinout): Remove.
15348 (compute_cprop_data): Use compute_available.
15349 (delete_null_pointer_checks_1): Use compute_available.
15351 * basic-block.h (compute_available): Returns a void now.
15352 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15353 to return a value anymore.
15354 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15355 worklists. Fix boundary cases. Compute maximal solutions.
15356 (compute_laterin, compute_nearerout): Similarly.
15358 * dwarf2out.c (add_AT_location_description): Allow
15359 (mem (plus (pseudo) (...)) too.
15361 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15363 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15365 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15366 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15368 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15370 * gansidecl.h: Likewise.
15376 * toplev.h: Likewise.
15378 * tree.c: Likewise.
15380 * tree.h: Likewise.
15382 * varray.c: Likewise.
15384 * varray.h: Likewise.
15386 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15388 * gcov.c (struct arcdata): Add hits and total, remove prob.
15389 (output_branch_counts): New.
15390 (process_args): Set output_branch_counts if -c.
15391 (calculate_branch_probs): Store hits and total instead of
15393 (output_data): Emit counts if output_branch_counts is true.
15394 * gcov.texi (Invoking Gcov): Document -c switch..
15396 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15398 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15399 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15401 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15403 * invoke.texi (C Dialect Options): Add missing builtins from
15404 c-common.c to list.
15405 * extend.texi (Other Builtins): Copy to this list.
15407 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15409 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15410 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15411 redundant bitmap.h.
15413 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15415 * flow.c (compute_flow_dominators): No longer treat basic block 0
15416 or (n_basic_blocks - 1) specially. Clear the AUX field before
15417 starting computation of doms/pdoms. Fix initial state for pdoms.
15419 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15421 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15422 match rtl.o's: added ggc.h and toplev.h
15423 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15424 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15425 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15427 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15429 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15430 from HAVE_DOS_BASED_FILESYSTEM.
15431 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15432 HAVE_DOS_BASED_FILESYSTEM.
15434 (split_directories): Only special-case DOS file names if
15435 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15436 instead of explicit tests. Conditionalize on !VMS.
15437 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15438 tests. Conditionalize on !VMS.
15439 (process_command): Only use make_relative_prefix if !VMS.
15440 (free_split_directories): Conditionalize on !VMS.
15441 (DIR_UP): Conditionalize on !VMS.
15443 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15445 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15447 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15449 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15452 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15454 * invoke.texi (Environment Variables): Document relative path
15456 * gcc.c (DIR_UP): If not defined, define as "..".
15457 (standard_bindir_prefix): New static, holds target location to
15459 (split_directories): New function to split a filename into
15460 component directories.
15461 (free_split_directories): New function, release memory allocated
15462 by split_directories.
15463 (make_relative_prefix): New function, make a relative pathname if
15464 the compiler is not in the expected location.
15465 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15466 can figure out an appropriate prefix from argv[0].
15467 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15468 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15469 STANDARD_BINDIR_PREFIX.
15471 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15473 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15475 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15476 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15477 c4x_secondary_memory_needed) Delete.
15478 (fp_zero_operand): Add mode argument.
15480 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15482 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15483 that is in reload_reg_used.
15485 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15487 * config/arm/arm-protos.h: New file: Prototypes for functions
15488 defined in arm.c and pe.c.
15489 * config/arm/arm.h: Fix compile time warnings.
15490 * config/arm/arm.c: Fix compile time warnings.
15491 * config/arm/pe.h: Fix compile time warnings.
15492 * config/arm/aout.h: Fix compile time warnings.
15494 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15496 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15499 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15500 Add support for subtargets.
15501 Add prototypes for new predicates.
15502 Add scheduling macros.
15504 * config/m32r/m32r.c: Fix compile time warnings.
15505 (int8_operand): New predicate function.
15506 (reg_or_cmp_int16_operand): New predicate function.
15507 (extend_operand): New predicate function.
15508 (m32r_adjust_code): New scheduling function.
15509 (m32r_adjust_priorty): New scheduling function.
15510 (m32r_sched_init): New scheduling function.
15511 (m32r_sched_reorder): New scheduling function.
15512 (m32r_sched_variable_issue): New scheduling function.
15513 (direct_return): New codegen function.
15514 (m32r_not_same_reg): New rtl testsing function.
15516 * config/m32r/m32r.md: Fix compile time warnings.
15517 Add support for pre decrement and post increment memory
15519 Add S<cc> patterns.
15522 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15524 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15525 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15526 (find_reg): Likewise.
15528 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15530 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15531 to avoid assembler errors.
15533 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15535 * config/v850/v850-protos.h: New file: Prototypes for functions
15537 * config/v850/v850.h: Move prototypes to v850-protos.h
15538 * config/v850/v850.c: Move prototypes to v850-protos.h
15539 * config/v850/v850.md: Fix compile time warnings.
15541 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15543 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15544 * config/fr30/fr30.c: Fix compile time warnings.
15545 * config/fr30/fr30.md: Fix compile time warnings.
15547 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15549 * tree.h (get_containing_scope): Declare it.
15550 * tree.c (get_containing_scope): New fucntion.
15551 (decl_function_context): Use it.
15552 * toplev.c (rest_of_compilation): Use get_containing_scope.
15554 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15556 * Makefile.in (rtl.o): Depend on toplev.h.
15558 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15560 * cse.c (delete_trivially_dead_insns): Replace alloca with
15562 * except.c (update_rethrow_references): Likewise.
15563 (init_eh_nesting_info): Likewise.
15564 * function.c (identify_blocks): Likewise.
15565 * gcse.c (dump_hash_table): Likewise.
15566 * graph.c (print_rtl_graph_with_bb): Likewise.
15567 * loop.c (combine_movables): Likewise.
15568 (move_movables): Likewise.
15569 (count_loop_regs_set): Likewise.
15570 (strength_reduce): Likewise.
15571 * profile.c (compute_branch_probabilities): New function, split
15573 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15574 * regclass.c (regclass): Likewise.
15575 * regmove.c (regmove_optimize): Likewise.
15576 * toplev.c (compile_file): Likewise.
15577 (main): Don't mess with the stack rlimit.
15579 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15581 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15582 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15584 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15586 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15588 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15590 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15591 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15594 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15596 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15598 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15600 * gcse.c (post_dominators): Kill.
15601 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15602 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15603 pass in a pdom array since we do not need pdoms.
15604 * haifa-sched.c (schedule_insns): Similarly.
15605 * flow.c (compute_dominators): Remove dead function.
15606 (compute_flow_dominators): Do not compute doms or pdoms if the
15607 caller does not request them. Split up loop to build doms and
15608 pdoms. Use a worklist to compute doms and pdoms.
15609 * basic-block.h (compute_dominators): Remove prototype.
15611 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15613 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15614 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15615 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15616 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15617 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15618 (schedule_region): Remove unused variable.
15619 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15621 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15623 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15624 (update_equiv_regs): Likewise.
15625 (block_alloc): Likewise.
15626 * reg-stack.c (reg_to_stack): Likewise.
15627 (convert_regs_2): Likewise.
15628 * reload1.c (reload_as_needed): Likewise.
15630 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15632 * Makefile.in (dbxout.o): Depend on ggc.h.
15633 (dwarf2out.o): Likewise.
15634 (xcoffout.o): Likewise.
15635 * dbxout.c: Include ggc.h.
15636 (dbxout_init): Register lastfile as a root.
15637 * dwarf2out.c: Include ggc.h.
15638 (dwarf2out_line): Register lastfile as a root.
15639 * xcoffout.c: Include ggc.h.
15640 (xcoffout_source_line): Register xcoff_lastfile as a root.
15642 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15644 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15646 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15648 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15650 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15652 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15654 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15655 (EXECUTE_IF_CONFLICT): Likewise.
15656 (ALLOCNO_LIVE_P): Avoid signed division.
15657 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15658 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15659 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15661 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15663 * haifa-sched.c (schedule_block): Don't crash if there's no
15664 next insn for an interblock movement.
15665 (add_branch_dependences): Don't allow clobber insns to move either.
15667 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15669 * i386.c (split_xf): New.
15670 * i386-protos.h: Declare it.
15671 * i386.md (movxf_1): Add general regs alternatives.
15672 (movxf_1+1): New splitter for same.
15674 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15676 * function.c (purge_addressof_1): Add missing return values.
15678 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15680 * function.c (is_addressof): New function. Returns true if
15681 the given piece of RTL is an ADDRESSOF.
15682 (purge_addressof_1): Make boolean. Return false if the
15683 ADDRESSOFs could not be purged.
15684 (purge_addressof): If ADDRESSOFs could not be purged from the
15685 notes attached to an insn, remove the offending note(s),
15686 unless they are attached to a libcall.
15688 1999-11-05 Andreas Jaeger <aj@suse.de>
15690 * genoutput.c (null_operand =): Initialize all fields.
15692 * errors.h: Add extern to prototypes.
15694 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15696 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15697 * configure: Rebuilt.
15699 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15701 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15702 (mirror_conflicts): New function.
15703 (global_alloc): Call it.
15704 (expand_preferences): Remove redundant CONFLICTP test.
15705 (find_reg, dump_conflicts): Likewise.
15706 (prune_preferences): Process conflicts one word at a time.
15708 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15710 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15711 instead of an explicit loop.
15713 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15715 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15716 if REG_RETVAL check succeeds, then put classp in src_elt.
15718 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15720 * function.c (pad_to_arg_alignment): Only update argument_pad
15721 if the argument's alignment is greater than STACK_BOUNDARY.
15723 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15725 * bitmap.h (BITMAP_XFREE): New.
15726 * flow.c (life_analysis): Use it.
15727 (life_analysis_1): Free blocks.
15729 * combine.c (undo_commit): New.
15730 (try_combine): Use it. Don't zap undobuf.undos.
15731 (combine_instructions): Don't zap undobuf.undos; free the
15732 undobuf.frees list.
15734 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15736 * stmt.c (cost_table_): New.
15737 (estimate_case_costs): Use it instead of xmalloc.
15739 * toplev.c (compile_file): Reuse dumpname memory instead
15742 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15744 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15745 after verifying an EH edge.
15747 * haifa-sched.c (init_rgn_data_dependences): Correctly
15748 size bb_pending_lists_length when zeroing.
15750 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15752 * function.c (diddle_return_value): New.
15753 (expand_function_end): Use it.
15754 * stmt.c (expand_null_return): Likewise.
15755 (expand_value_return): Likewise.
15757 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15759 * reload1.c (reload): Don't remove return value clobbers.
15761 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15763 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15765 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15767 * cse.c (cse_main): Use xmalloc, not alloca.
15768 (cse_basic_block): Likewise.
15769 * local-alloc.c (local_alloc): Likewise.
15771 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15772 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15774 * rtl.c: Include toplev.h.
15775 (fatal): Remove declaration.
15777 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15779 * haifa-sched.c (schedule_block): Fix thinko.
15781 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15783 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15784 S_IR* defined values
15786 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15788 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15789 call `malloc' instead.
15791 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15793 * flags.h (flag_renumber_insns): Declare.
15794 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15796 * rtl.h (renumber_insns): Change prototype.
15797 * toplev.c (flag_renumber_insns): Define.
15798 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15800 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15802 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15803 and fpsqrtd. Use them and create fdiv function unit to more
15804 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15805 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15807 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15809 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15811 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15812 insn into ready list, do not use just a raw swap.
15814 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15816 * rtl.h (renumber_insns): New function.
15817 (remove_unnecessary_notes): Likewise.
15818 * emit-rtl.c (renumber_insns): Define.
15819 (remove_unncessary_notes): Likewise.
15820 * toplev.c (rest_of_compilation): Remove dead code.
15821 Use renumber_insns and remove_unncessary_notes.
15823 * gcse.c (struct null_pointer_info): New type.
15824 (get_bitmap_width): New function.
15825 (current_block): Remove.
15826 (nonnull_local): Likewise.
15827 (nonnull_killed): Likewise.
15828 (invalidate_nonnull_info): Take a null_pointer_info as input.
15829 (delete_null_pointer_checks_1): New function.
15830 (delete_null_pointer_checks): Use it.
15832 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15833 (split_edges): Likewise.
15834 (schedule_block): Likewise.
15835 (compute_block_backward_dependencies): Likewise.
15836 (schedule_region): Likewise.
15837 (schedule_insns): Likewise.
15839 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15841 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15842 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15843 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15844 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15845 * jump.c (delete_unreferenced_labels): Don't delete if
15846 LABEL_ALTERNATE_NAME is set.
15847 * print-rtl.c (print_rtx): Dump alternate name.
15848 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15849 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15850 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15851 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15853 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15855 * fix-header.c (recognized_extern, recognized_function): Constify
15858 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15859 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15860 (compute_available): Remove unused variable `last'.
15861 (compute_nearerout): Remove unused variable `temp_bitmap'.
15862 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15863 Remove unused variable `x'.
15865 * scan.h (recognized_function, recognized_extern): Constify a
15868 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15870 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15872 * varasm.c (decode_rtx_const): Use XSTR to access the string
15875 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15877 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15879 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15881 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15883 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15885 * pa.c (ireg_operand): New function.
15886 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15887 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15888 Fix out of date comment.
15890 * pa.md (negdi2): Turn into expander + anonymous pattern.
15892 * reload.c (find_reloads): Fix typos in recent change.
15894 * dwarf2out.c: Do not include ctype.h.
15896 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15898 * regclass.c (record_reg_classes): Always use may_move_cost when
15899 seeing how operand fits with various register classes.
15901 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15903 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15904 * toplev.c: Revert Nov 1 13:22 change.
15906 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15908 * config/pa/pa.md (height reduction patterns): Add checks for
15909 overlapping operands to avoid semantic-destroying splits for
15910 height reduction patterns.
15912 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15914 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15915 have been an hyphen, fixed.
15916 * configure: Rebuilt.
15918 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15920 * config/arm/tpe.h: Add prototypes for exported functions.
15921 * config/arm/pe.c: Fix compile time warnings.
15922 * config/arm/semi.h: Fix compile time warnings.
15923 * config/arm/arm.c: Fix compile time warnings.
15924 * config/arm/arm.h: Fix compile time warnings.
15925 * config/arm/arm.md: Fix compile time warnings.
15926 * config/arm/thumb.c: Fix compile time warnings.
15927 * config/arm/thumb.h: Fix compile time warnings.
15928 * config/arm/thumb.md: Fix compile time warnings.
15930 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15932 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15935 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15936 completely unrolled.
15938 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15940 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15942 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15944 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15945 * rtl.h (rtx_equal_p): Move prototype.
15946 * rtl.c (rtx_equal_function_value_matters): Move from
15948 (rtx_equal_p): Likewise.
15949 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15950 (rtx_equal_p): Likewise.
15952 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15954 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15955 ! HAS_INIT_SECTION.
15957 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15959 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15961 * pa.h (ADDR_VEC_ALIGN): Define.
15963 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15964 notes when presented with "if (foo) break; end_of_loop" and
15965 the break sequence gets moved out of the loop.
15967 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15968 Remove explicit zero initializations of entries within MAP.
15970 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15972 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15974 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15976 * bitmap.h (BITMAP_XMALLOC): New macro.
15977 * flow.c (CLEAN_ALLOCA): Remove.
15978 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15979 (life_analysis): Likewise.
15980 (update_life_info): Don't use CLEAN_ALLOCA.
15981 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15982 (calculate_global_regs_live): Likewise.
15983 (print_rtl_with_bb): Likewise.
15984 (verify_flow_info): Likewise.
15985 * global.c (global_alloc): Likewise.
15986 (global_conflicts): Likewise.
15987 * integrate.c (save_for_inline_nocopy): Likewise.
15988 (expand_inline_function): Likewise.
15989 * jump.c (jump_optimize_1): Likewise.
15990 (duplicate_loop_exit_test): Likewise.
15991 (thread_jumps): Likewise.
15992 * loop.c (loop_optimize): Likewise.
15993 (combine_givs): Likewise.
15994 (recombine_givs): Likewise.
15995 * reorg.c (dbr_schedule): Likewise.
15996 * unroll.c (unroll_loop): Likewise.
15998 * combine.c (combine_instructions): Use xmalloc instead of alloca.
16000 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
16002 * toplev.c (rest_of_compilation): Don't optimize the CFG
16003 when rebuilding, just before dbr.
16005 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16007 * output.h (assemble_end_function, assemble_destructor,
16008 assemble_constructor, assemble_gc_entry, assemble_global,
16009 assemble_label, output_constant_pool) Constify a char*.
16011 * varasm.c (assemble_destructor, assemble_constructor,
16012 assemble_gc_entry, assemble_end_function, assemble_global,
16013 assemble_label, output_constant_pool): Likewise.
16015 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
16017 * config/arm/thumb.c (thumb_expand_prologue): Add comments
16018 explaining what is goin on in this function.
16020 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16022 * regclass.c (record_reg_classes): In matching case, recompute
16023 costs since the direction of movement is different.
16025 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16027 * resource.c (mark_target_live_regs): For unconditional branches,
16028 the resources found at the branch target should be added to the
16029 resources found so far, not intersected.
16031 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
16033 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
16035 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
16036 (sys/mman.h): Include this file only if #HAVE_MMAP.
16037 (run_compiles): Initialize `esac_fmt' with one old KR string, not
16038 with automatically concatenated ANSI strings.
16040 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
16042 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
16043 (DIV_ROUND_UP): Robustify.
16044 (ggc_recalculate_in_use_p): New function.
16045 (release_pages): Don't inline it.
16046 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
16048 (ggc_pop_context): Use ggc_recalculate_in_use_p.
16049 (clear_marks): Always save in_use_p.
16050 (sweep_pages): Use ggc_recalculate_in_use_p.
16051 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
16052 Release pages before counting statistics.
16054 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
16056 * toplev.c (rest_of_compilation): Fix thinko in this change:
16058 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16060 (rest_of_compilation): If inside an inlined external function,
16061 pretend we are just being declared.
16063 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
16065 * flow.c (calculate_global_regs_live): Fix thinko.
16067 * integrate.c (expand_inline_function): Fix bugs in previous
16068 change from Oct 28, 1999.
16070 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
16072 * stmt.c (expand_value_return): Fix typo in this change:
16074 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16075 (expand_value_return): Correctly convert VAL when promoting function
16076 return; support RETURN_REG being a PARALLEL.
16078 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
16080 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
16082 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16084 * hard-reg-set.h (reg_names): Constify a char*.
16086 * regclass.c (reg_names): Likewise.
16088 * regs.h (reg_names): Likewise
16090 * a29k/a29k.c (reg_names): Delete declaration.
16092 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
16094 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
16095 arc_output_function_epilogue): Likewise.
16097 * elxsi/elxsi.c (reg_names): Likewise.
16099 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
16101 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
16104 * m88k/m88k.c (output_function_profiler): Likewise.
16106 * sparc/sparc.c (sparc_flat_output_function_prologue,
16107 sparc_flat_output_function_epilogue): Likewise.
16109 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
16111 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
16112 warning from -Wuninitialized and put it under -W.
16113 * function.c (uninitialized_vars_warning): Warn only when the
16114 corresponding flag is set.
16116 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
16118 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
16119 is nonzero and the single set does not have an elt, then assign
16122 * simplify-rtx.c: New file.
16123 * Makefile.in (OBJS): Add simplify-rtx.o
16124 (simplify-rtx.o): Add dependencies.
16125 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
16126 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
16127 (cse_gen_binary, simplify_unary_operation): Delete.
16128 (simplify_binary_operation, simplify_plus_minus): Likewise.
16129 (check_fold_consts, simplify_relation_operation): Likewise.
16130 (simplify_ternary_operation): Likewise.
16131 (delete_trivially_dead_insns): Simplify the contents of the
16132 REG_EQUAL note before trying to substitute it into the source
16133 of the reg-reg copy at the end of a libcall sequence.
16135 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
16136 references/callers changed.
16138 * mn10200.c (mn10200_va_arg): Force the return value into a
16141 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
16143 * cccp.c (macroexpand): Avoid out of range accesses for omitted
16146 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
16148 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
16150 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
16152 * fold-const.c (fold): Fix thinko when optimizing comparisons
16155 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
16157 * gcc.texi (Passes): Update front-end files to their current
16160 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
16162 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
16163 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
16164 (PREDICATE_CODES): Add addition_operation.
16165 * alpha-protos.h (addition_operation): Declare.
16166 (secondary_reload_class): Likewise.
16167 * alpha.c (addition_operation): New.
16168 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
16169 * alpha.md (adddi3): Turn into expander.
16170 (*lda, *adddi_2): New.
16171 (movsf, movdf patterns): Don't preference integer regs.
16172 (movsi, movdi patterns): Don't preference fp regs.
16174 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
16176 * genrecog.c (write_switch): Check for duplicate CODE cases.
16178 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
16180 * ggc-common.c: Update pre-function commentary.
16181 * ggc-page.c: Likewise.
16183 (poison_pages): Use memset directly.
16184 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
16185 (ggc_collect): Poison before sweeping.
16186 * ggc-simple.c: Update pre-function commentary.
16187 (ggc_alloc_obj): Poison non-zeroed memory.
16189 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
16191 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
16192 match format string, even on 64-bit hosts.
16193 * gcc-page.c (ggc_page_print_statistics): Likewise.
16195 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
16197 * config/i386/i386.c (ix86_cpu): Revert last patch.
16198 * config/i386/i386.h (ix86_cpu): Ditto.
16200 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
16202 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
16203 TYPE_SIZE, convert type of result to sizetype.
16205 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
16207 * flow.c (count_or_remove_death_notes): Equate NULL with the
16210 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
16211 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
16214 * i386.c (pic_label_no): Delete.
16215 (ix86_attr_length_default): Don't use single_set to peek
16218 * recog.c (peephole2_optimize): Allow recog_next_insn to index
16219 the first insn after bb->end.
16220 * i386.md (push mem peeps): Scratch is live after evaluation
16222 (cmp mem peep): Similarly.
16224 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
16226 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
16227 * function.c (pad_to_arg_alignment): Add missing braces.
16229 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16231 * alpha/alpha-protos.h (literal_section): Add prototype.
16232 (alpha_need_linkage, alpha_start_function,alpha_end_function):
16235 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16237 (alpha_start_function, alpha_end_function, float_strings,
16238 alpha_need_linkage): Constify a char*
16240 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16242 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16244 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16246 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16248 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16250 * flow.c (debug_flow_info): Add prototype.
16252 * gcc.c (main): Likewise.
16254 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16257 * reload1.c (failed_reload, set_reload_reg): Likewise.
16259 * mips-tfile.c (main): Likewise.
16260 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16261 with ATTRIBUTE_NORETURN.
16263 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16265 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16266 DECL is not a memory ref.
16268 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16270 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16271 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16273 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16275 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16276 * config/mips/elf64.h: ditto.
16278 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16280 * expr.c (emit_push_insn): New argument alignment_pad.
16281 Update all callers. Adjust stack pointer based on alignment pad.
16282 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16283 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16284 (locate_and_pad_parm): New argument alignment_pad. Update all
16286 * expr.h (emit_push_insn): Update prototype.
16287 (locate_and_pad_parm): Update prototype.
16288 * calls.c (arg_data): Add new field alignment_pad.
16289 (initialize_argument_information): Initialize alignment_pad.
16291 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16293 * except.c (free_eh_nesting_info): Free the info itself.
16294 * function.c (free_after_compilation): Don't free NULL.
16295 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16296 (pre_edge_insert): Free inserted.
16297 * stmt.c (free_stmt_status): Don't free NULL.
16299 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16301 * gcov.c (DIR_SEPARATOR): Provide default.
16302 (output_data): Add test for MS-DOS format absolute filename.
16303 (fancy_abort): Correct program name.
16304 (open_files): Open all files in binary mode.
16305 * libgcc2.c (__bb_exit_func): Likewise.
16307 * profile.c (init_branch_prob): Specify binary when opening files.
16309 * flags.h (flag_unwind_tables): New decl.
16310 * toplev.c (flag_unwind_table): New definition.
16311 (f_options): Add -funwind-tables.
16312 (decode_g_option): Clarify warning when unknown -g option is given.
16313 (rest_of_compilation): If inside an inlined external function,
16314 pretend we are just being declared.
16316 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16317 (dwarf2out_frame_finish): Likewise.
16319 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16321 * fold-const.c (merge_ranges): If not in0, but in1, handle
16322 upper bounds equal like subset case.
16324 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16326 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16327 passed in a register but moved to the stack.
16329 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16331 * gcc.c (pass_exit_codes, greatest_status): New variables.
16332 (struct option_map): Add entry for "--pass-exit-codes".
16333 (execute): Update greatest_status if error.
16334 (display_help): Add documentation for -pass-exit-codes.
16335 (process_command): Handle -pass-exit-codes.
16336 (main): Look at pass_exit_codes and greatest_status on call to exit.
16338 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16340 * reload.c (find_reloads): Refine test for no input reload
16341 case to not includes reloads emitted after insn.
16343 * function.c (find_temp_slots_from_address): Handle sum involving
16344 a register that points to a temp slot.
16345 (update_temp_slot_address): Make recursive call if both old and
16346 new are PLUS with a common operand.
16347 * calls.c (expand_call): Mark temp slot for result as having
16350 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16352 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16353 component as well as "BINUTILS".
16355 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16356 * integrate.c (copy_rtx_and_substitute): Likewise.
16357 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16358 All callers changed.
16359 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16361 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16362 gdb extensions, write size of type; also be more consistent
16363 in using references when this is a subtype.
16365 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16366 that is out of range.
16368 * loop.c (unknown_constant_address_altered): New variable.
16369 (prescan_loop): Initialize it.
16370 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16371 (invariant_p, case MEM): Remove handling for volatile and readonly;
16372 check new variable if readonly.
16373 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16375 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16376 (addr_affects_sp_p): Removed from note_mem_written and only
16377 define #ifdef AUTO_INC_DEC.
16379 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16381 * regclass.c (record_reg_classes): Properly handle register move
16384 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16385 Don't think valid if both operands are invalid.
16386 (struct constant_descriptor): New field RTL.
16387 (mark_const_hash_entry): Mark it.
16388 (record_constant{,_rtx}): Initialize it.
16389 (output_constant_def): Allocate RTL in permanent obstack and
16391 ({record,compare}_constant_1): Modes must match for
16392 CONSTRUCTOR of ARRAY_TYPE.
16394 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16395 * output.h (initializer_constant_valid_p): Move decl to here.
16396 * c-common.c (initializer_constant_valid_p): Delete function from here.
16397 * varasm.c (initializer_constant_valid_p): Move function to here.
16399 * tree.h (STRIP_SIGN_NOPS): New macro.
16400 * fold-const.c (optimize_minmax_comparison): New function.
16401 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16402 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16403 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16404 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16405 widening conversions.
16406 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16407 to look at size of mode, not precision of type; also add missing cases.
16408 (optimize_bit_field_compare, decode_field_reference): Don't try to
16409 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16411 * dwarf2out.c (ctype.h): Include.
16412 (dwarf2out_set_demangle_name_func): New function.
16413 (size_of_line_info): Deleted.
16414 (output_line_info): Compute size of line info table from difference
16416 (base_type_die, add_name_attribute): Call demangle function, if any.
16417 (field_byte_offset): Use bits per word for variable length fields.
16418 (gen_array_type_die): Add array name.
16419 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16420 (dwarf2out_add_library_unit_info): New function.
16422 * explow.c (set_stack_check_libfunc): New function.
16423 (stack_check_libfunc): New static variable.
16424 (probe_stack_range): Allow front-end to set up a libfunc to call.
16426 * combine.c (simplify_comparison): When making comparison in wider
16427 mode, check for having commuted an AND and a SUBREG.
16428 (contains_muldiv): New function.
16429 (try_combine): Call it when dividing a PARALLEL.
16430 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16431 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16433 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16434 use one of the CLOBBERs instead.
16435 (if_then_else_cond): If comparing against zero, just return thing
16438 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16439 Don't generate shifts and subtract if have conditional arithmetic.
16441 * rtl.h (delete_barrier): New declaration.
16442 * jump.c (jump_optimize): Set up to handle conditional call.
16443 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16444 (delete_barrier): New function.
16446 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16448 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16450 * tree.c (build_type_attribute_variant): Push to obstack of
16451 ttype around type_hash_canon call.
16453 * expr.c (placeholder_list): Move decl to file scope.
16454 (expand_expr): Don't force access to volatile just because its
16456 If ignoring reference operations, just expand the operands.
16457 (expand_expr, case COMPONENT_REF): Propagate
16458 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16459 Refine test for using bitfield operations vs pointer punning.
16460 (expand_expr, case CONVERT_EXPR): If converting to
16461 BLKmode UNION_TYPE from BLKmode, just return inner object.
16462 Use proper mode in store_field call.
16463 Properly set sizes of object to store and total size in store_field
16464 call for convert to union.
16465 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16466 memory (like for ADDR_EXPR). Also, don't put constant in register if
16467 we'll want it in memory.
16468 (readonly_fields_p): New function.
16469 (expand_expr, case INDIRECT_REF): Call it if LHS.
16470 (expand_assignment): Handle a RESULT_DECL where
16471 DECL_RTL is a PARALLEL.
16472 (do_jump, case WITH_RECORD_EXPR): New case.
16473 (get_inner_reference): Always go inside a CONVERT_EXPR
16474 and NOP_EXPR if both modes are the same.
16475 (store_field): Use bitfield operations if size of bitsize is not same
16476 as size of RHS's type.
16477 Check for bitpos not a multiple of alignment in BLKmode case.
16478 Do block move in largest possible alignment.
16479 (store_constructor): Set BITSIZE to -1 for variable size and properly
16480 in case of array of BLKmode.
16481 (expand_expr_unaligned): New function.
16482 (do_compare_and_jump): Call it.
16484 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16485 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16486 does not include 'o'.
16488 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16489 both SET_DEST and SET_SRC reference a virtual register.
16490 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16492 * integrate.c (expand_inline_function): Handle case of setting
16493 virtual stack vars register (from built in setjmp); when parameter
16494 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16495 (subst_constant): Add new parm, MEMONLY.
16496 (expand_inline_function, integrate_parm_decls): Pass new parm.
16497 (integrate_decl_tree): Likewise.
16498 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16499 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16500 (copy_rtx_and_substitute, case SET): Add explicit calls to
16501 copy_rtx_and_substitute for both sides.
16503 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16505 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16506 within INDEX_TYPE, instead of before.
16507 (fixup_gotos): Use f->target_rtl, not the next insn,
16508 since latter may be from a later fixup.
16509 (expand_value_return): Correctly convert VAL when promoting function
16510 return; support RETURN_REG being a PARALLEL.
16511 (expand_return): When checking for result in regs and having
16512 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16514 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16516 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16517 last_nominal_fname): Mark const.
16518 (struct include_hash: name, nshort, control_macro): Mark
16520 (struct macrodef: symnam): Mark const.
16521 (struct if_stack: fname): Mark const.
16522 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16523 (IStable): New character-syntax array which encompasses all
16524 the old is_foo arrays.
16525 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16526 is_space): New macros for interrogating IStable.
16527 (check_macro_name): Kill last argument. All callers changed.
16529 * cppinit.c (initialize_char_syntax): Delete.
16530 (is_idchar, is_idstart, is_hor_space, is_space,
16531 trigraph_table): Delete.
16532 (IStable): New. Initialize with clever macros to avoid
16533 information duplication.
16534 (builtin_array): Table of builtins to get rid of explicit list
16535 in initialize_builtins.
16536 (initialize_builtins): Use builtins_array.
16537 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16538 opts->dollars_in_ident.
16540 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16542 (cpp_parse_expr): Avoid 'format string is not constant'
16543 warning. Use ISGRAPH to identify printable chars.
16544 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16546 (read_and_prescan): Map trigraphs to chars with open-coded
16547 if-else-if-... sequence, not a lookup table.
16548 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16550 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16551 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16552 (check_macro_name): Remove ability to report an invalid
16553 assertion name, which is never used.
16554 (do_line): Constify a couple of char *'s.
16555 * cppmain.c (main): Call cpp_cleanup before returning.
16557 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16559 * ggc.h (struct ggc_statistics): New type.
16560 (ggc_get_size): New function.
16561 (ggc_print_statistics): Likewise.
16562 * ggc-common.c (ggc_stats): New variable.
16563 (ggc_mark_rtx_children): Keep statistics.
16564 (ggc_mark_tree_children): Likewise.
16565 (ggc_print_statistics): New function.
16566 * ggc-page.c (struct globals): Add bytes_mapped field.
16567 (alloc_anon): Update it.
16568 (release_pages): Likewise.
16569 (ggc_get_size): New function.
16570 (ggc_page_print_statistics): New function.
16571 * ggc-simple.c (ggc_get_size): New function.
16573 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16575 * flow.c (propagate_block): When the last reference to a label
16576 before an ADDR_VEC is deleted because the reference is a dead
16577 store, delete the ADDR_VEC.
16579 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16581 * resource.c (find_free_register): Don't use the frame pointer
16582 if frame_pointer_needed.
16584 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16586 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16587 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16589 * config/i960/i960.c (i960_va_start): New locals base, num.
16590 Use INDIRECT_REF instead of ARRAY_REF on valist.
16591 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16593 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16595 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16597 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16599 * tree.def (PLACEHOLDER_EXPR): Update comments.
16601 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16603 * c-common.c (check_format_info): Avoid non-literal format string
16604 warnings when `first_arg_num' is zero.
16606 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16608 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16610 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16612 * arm.md (casesi_insn): Add a clobber of the condition code
16615 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16617 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16618 used by both cc1 and cc1plus.
16620 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16622 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16623 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16624 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16625 to the value 32 if it has not already been defined.
16626 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16627 Override definition in arm.h with a value of 8.
16629 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16631 * c-pragma.c (push_alignment): Don't check the return value
16634 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16636 * sparc.h (ADJUST_COST): Fix thinko.
16638 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16640 * cccp.c (rescan): Fixed obp pointer handling around call to
16641 check_expand subroutine.
16643 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16645 * gcse.c (delete_null_pointer_checks): Only record non-null info
16646 for pseudos when examining stores.
16648 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16649 splitters for these patterns. Use "#" for output templates.
16650 (addsi3_carryin_shift): New pattern.
16652 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16654 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16655 of the function return register into a plain REG until
16656 after function inlining is done.
16658 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16660 * jump.c (jump_optimize_1): If we did cross-jumping, and
16661 the data will matter, rebuild the CFG.
16662 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16663 not optimizing. Don't run shorten_branches.
16664 * toplev.c (rest_of_compilation): Run shorten_branches after
16667 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16669 * rtl.h (note_stores): Add additional paramter.
16670 * rtlanal.c (reg_set_p_1): Take additional paramter.
16671 (reg_set_last_1): Likewise.
16672 (reg_set_p): Adjust call to note_stores.
16673 (reg_set_last): Likewise.
16674 (note_stores): Pass data parameter to worker function.
16675 * alias.c (record_set): Take additional parameter.
16676 (init_alias_analysis): Pass it.
16677 * caller-save.c (mark_set_regs): Take additional parameter.
16678 (save_call_clobbered_regs): Pass NULL to note_stores.
16679 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16681 (record_dead_and_set_regs_1): Likewise.
16682 (reg_dead_at_p_1): Likewise.
16683 (combine_instructions): Adjust calls to note_stores.
16684 (try_combine): Likewise.
16685 (record_dead_insn): Remove.
16686 (record_dead_and_set_regs): Adjust calls to note_stores.
16687 (reg_dead_at_p): Likewise.
16688 * cse.c (invalidate_skipped_set): Take additional parameter.
16689 (cse_check_loop_start): Likewise.
16690 (cse_check_loop_start_value): Remove.
16691 (cse_set_around_loop): Adjust calls to note_stores.
16692 * flow.c (notice_stack_pointer_modification): Take additional
16693 parameter. Remove duplicate declaration.
16694 (record_volatile_insns): Adjust calls to note_stores.
16695 * gcse.c (record_set_info): Take additional parameter.
16696 (record_last_set_info): Likewise.
16697 (invalidate_nonnull_info): Likewise.
16698 (record_set_insn): Remove.
16699 (compute_sets): Adjust calls to note_stores.
16700 (last_set_insn): Remove.
16701 (compute_hash_table): Adjust calls to note_stores.
16702 (insert_insn_end_bb): Likewise.
16703 (delete_null_pointer_checks): Likewise.
16704 * global.c (mark_reg_store): Take additional parameter.
16705 (mark_reg_clobber): Likewise.
16706 (reg_becomes_live): Likewise.
16707 (global_conflicts): Adjust calls to note_stores.
16708 (build_insn_chain): Likewise.
16709 * integrate.c (note_modified_parmregs): Take additional parameter.
16710 (mark_stores): Likewise. Make it static.
16711 (save_for_inline_nocopy): Adjust calls to note_stores.
16712 (try_constants): Likewise.
16713 * integrate.h (mark_stores): Remove declaration.
16714 * jump.c (mark_modified_reg): Take additional parameter.
16715 (thread_jumps): Adjust calls to note_stores.
16716 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16718 (no_equiv): Likewise.
16719 (reg_is_set): Likewise.
16720 (validate_equiv_mem): Adjust calls to note_stores.
16721 (update_equiv_regs): Likewise.
16722 (block_alloc): Likewise.
16723 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16724 (note_addr_stored): Take additional parameter.
16725 (note_set_pseudo_multiple_uses): Likewise.
16726 (record_initial): Likewise.
16727 (prescan_loop): Adjust calls to note_stores.
16728 (strength_reduce): Likewise.
16729 (check_dbra_loop): Likewise.
16730 * regmove.c (flags_set_1): Take additional paramter.
16731 (mark_flags_life_zones): Adjust calls to note_stores.
16732 * reload1.c (mark_not_eliminable): Take additional parameter.
16733 (forget_old_reloads_1): Likewise.
16734 (reload_cse_invalidate_rtx): Likewise.
16735 (reload_cse_check_clobber): Likewise.
16736 (reload_combine_note_store): Likewise.
16737 (move2add_note_store): Likewise.
16738 (reload): Adjust calls to note_stores.
16739 (reload_as_needed): Likewise.
16740 (emit_reload_insns): Likewise.
16741 (reload_cse_regs_1): Likewise.
16742 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16743 (reload_combine): Adjust calls to note_stores.
16744 * resource.c (update_live_status): Take additional paramter.
16745 (mark_target_live_regs): Adjust calls to note_stores.
16746 * stupid.c (find_clobbered_regs): Take additional parameter.
16747 (stupid_life_analysis): Adjust calls to note_stores.
16749 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16751 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16754 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16757 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16758 of the variable arm_structure_size_boundary.
16760 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16762 * alias.c (init_alias_analysis): Allocate reg_known_value and
16763 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16765 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16766 * cse.c (cse_main): Call end_alias_analysis.
16767 * haifa-sched.c (schedule_insns): Likewise.
16768 * local-alloc. (update_equiv_regs): Likewise.
16769 * reload1.c (reload_cse_regs): Likewise.
16771 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16773 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16774 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16775 mapping from MASK_FPU.
16777 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16779 * sparc.md (call): Don't bound structure return size to 0xfff.
16781 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16783 * resource.c (mark_target_live_regs): Check that the target
16784 insn wasn't created after compute_bb_for_insn.
16786 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16788 * ggc-page.c (poison_pages): Don't be overzealous.
16790 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16792 * alias.c: Update comments for ADDRESS.
16793 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16794 it is a local memory reference.
16796 * c-typeck.c (build_function_call): Check that the built-in
16797 function is of class BUILT_IN_NORMAL before trying to recongize
16798 it as BUILT_IN_ABS.
16799 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16800 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16802 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16804 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16806 (pre_gcse): Likewise.
16807 (hoist_expr_reaches_here_p): Likewise.
16808 (hoist_code): Likewise.
16809 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16811 (pre_expr_reaches_here_p_work): ... here.
16812 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16814 (expr_reaches_here_p_work): ... here.
16816 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16818 * resource.c (find_basic_block): Delete.
16819 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16820 (init_resource_info): Call compute_bb_for_insn.
16822 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16824 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16825 with already adjacent blocks, but no fallthru.
16826 (merge_blocks_move_successor_nojumps): Simplify.
16827 (debug_flow_info): New.
16829 * toplev.c (rest_of_compilation): Open jump1 dump file before
16830 jump and close after, as opposed to just using dump_rtl.
16832 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16834 * reload.h (earlyclobber_operand_p): Declare.
16835 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16836 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16837 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16838 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16840 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16841 Richard Henderson <rth@cygnus.com>
16843 * emit-rtl.c (emit_block_insn_before): New.
16844 (emit_block_insn_after): New.
16845 * basic-block.h: Declare them.
16847 * bitmap.h: Protect from multiple inclusion.
16849 * recog.c (scratch_operand): Handle VOIDmode correctly.
16851 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16853 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16854 * function.c (assign_parms): Likewise.
16855 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16857 * reg-stack.c (max_uid): Remove.
16858 (blocks, block_begin, block_end, block_drops_in): Remove.
16859 (block_stack_in, block_out_reg_set, block_number): Remove.
16860 (struct block_info_def, BLOCK_INFO): New.
16861 (enum emit_where): New.
16862 (current_block): New.
16863 (BLOCK_NUM): Remove.
16864 (mark_regs_pat, record_label_references): Remove.
16865 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16867 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16868 (reg_to_stack): Simplified test for existance of fp code. Use
16869 flow.c code. Call shorten_branches after cross-jump opt.
16870 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16871 Return false if the asm doesn't use stack regs. Don't do life
16872 analysis on the asm.
16873 (emit_pop_insn): Replace function pointer arg `when' with
16874 enum `where'. Update all callers.
16875 (change_stack): Likewise. Update basic block end.
16876 (emit_swap_insn): Use current_block->head to limit reverse search
16877 for start of block. Use emit_block_insn_after.
16878 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16879 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16880 structure assignment instead of bcopy.
16881 (print_stack): New.
16882 (convert_regs_entry, convert_regs_exit): New.
16883 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16884 Work on basic blocks and the CFG.
16885 (convert_regs): Use them.
16887 * i386.c (output_fix_trunc): Remove code for DImode input operand
16888 not at top-of-stack.
16889 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16891 (fix_truncdi_1): Allow any mode scratch.
16893 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16895 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16896 * linux.h, netbsd.h, vms.h: Not here.
16898 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16900 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16901 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16902 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16903 CONDITIONAL_REGISTER_USEAGE): Use them.
16904 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16905 gen_conditional_branch,override_options) : Use them.
16906 * config/mips/mips.md : Use them.
16908 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16910 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16912 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16914 * integrate.c (function_cannot_inline_p): Don't allow inlining
16917 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16919 * c-parse.in (cast_expr): Constify.
16921 * cccp.c (special_symbol): Likewise.
16923 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16925 * dwarf2out.c (base_type_die): Likewise.
16927 * global.c (allocno_compare): Likewise.
16929 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16931 * regclass.c (fix_register): Likewise.
16933 * rtl.h (fix_register): Likewise.
16935 * stupid.c (stupid_reg_compare): Likewise.
16937 * toplev.c (decode_f_option): Likewise.
16939 * tree.c (build_complex_type): Likewise.
16941 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16943 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16945 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16947 * reload.c (find_reloads): Compute mode and nregs fields of all
16949 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16950 (calculate_needs): Use precomputed mode/nregs values.
16951 (allocate_reload_reg): Likewise.
16953 (failed_reload, set_reload_reg): ... new functions.
16954 (choose_reload_regs_init): New function, mostly broken out from...
16955 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16956 Also lose one #if 0 block.
16958 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16960 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16963 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16965 * tree.h (BLOCK_TYPE_TAGS): Remove.
16966 (BLOCK_END_NOTE): Likewise.
16967 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16968 (BLOCK_LIVE_RANGE_START): Likewise.
16969 (BLOCK_LIVE_RANGE_END): Likewise.
16970 (tree_block): Remove live_range_flag, live_range_var_flag, and
16971 type_tags. Remove end_note, live_range_start, and live_range_end.
16972 (remember_end_note): Remove prototype.
16973 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16974 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16976 * ggc-common.c (ggc_mark_tree_children): Don't mark
16977 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16978 * integrate.c (adjust_copied_decl_tree): Remove.
16979 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16980 * stmt.c (last_block_end_note): Remove.
16981 (init_stmt): Don't add a GC root for it.
16982 (expand_fixup): Don't set it.
16983 (remember_end_note): Remove.
16984 (expand_end_bindings): Don't set last_block_end_note.
16986 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16988 * reload1.c (reload_reg_free_for_value_p): Show
16989 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16992 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16994 * expmed.c (extract_bit_field): Allow for the case of non-integer
16995 objects that are smaller than a word (like SFmode on a 64-bit
16998 * loop.c (basic_induction_var): A non-integer variable which is
16999 being set by a paradoxical subreg is probably not a biv.
17001 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17003 * prefix.c (translate_name) Check for empty prefix string.
17005 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
17007 * Makefile.in (CPP_CROSS_NAME): New variable.
17008 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
17010 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
17011 names of the files to be uninstalled.
17013 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
17015 * collect2.c (IS_DIR_SEPARATOR): Define.
17016 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
17018 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
17021 * haifa-sched.c (add_dependence): Update the true dependency
17022 cache the first time we add a true dependence to the LOG_LINKS chain.
17024 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
17026 * fold-const.c (fold): Fix comment.
17028 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17030 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
17031 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
17032 dbxout_start_new_source_file, dbxout_source_file,
17033 dbxout_source_line, dbxout_finish, dbxout_type_fields,
17034 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
17036 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
17037 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
17038 (dbxout_block): Initialize variable `blocknum'.
17040 * dbxout.h (dbxout_init, dbxout_finish,
17041 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
17042 dbxout_args, dbxout_source_line): Constify a char*.
17044 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
17045 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
17046 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
17047 low_pc_attribute, high_pc_attribute, body_begin_attribute,
17048 body_end_attribute, comp_dir_attribute, sf_names_attribute,
17049 src_info_attribute, mac_info_attribute, producer_attribute,
17050 lookup_filename, generate_macinfo_entry, fundamental_type_code,
17051 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
17052 dwarfout_undef): Constify a char*.
17053 (add_incomplete_type, retry_incomplete_types): Add prototypes.
17055 * dwarfout.h (dwarfout_define, dwarfout_undef,
17056 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
17058 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
17060 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
17061 (MULTILIB_ISA_DEFAULT): New.
17062 (MULTILIB_DEFAULTS): Use it.
17063 * config/mips/mips.c (): Remove the now unnecessary definition
17064 of MIPS_ISA_DEFAULT.
17065 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
17066 unnecessary definition.
17068 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
17070 * arm.md (pic_load_addr): Add constraints to operand 1.
17072 1999-10-25 Bruce Korb <autogen@linuxbox.com>
17074 * fixinc/genfixes: Provide a means for specifying -D options to
17077 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
17079 * arm.c (arm_override_options): Correct initialization of
17080 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
17081 arm_is_strong, and arm_is_6_or_7.
17083 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
17084 (note_set_pseudo_multiple_uses): New function.
17085 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
17086 if a pseudo set in the loop exit is used elsewhere.
17088 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
17090 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
17092 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
17094 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
17095 a single load-address pattern.
17097 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
17099 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
17100 depending on whether or not line-number notes are present.
17102 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17104 * cccp.c (progname, file_buf, default_include, include_file,
17105 macrodef, definition, hashval, wchar_type, user_label_prefix,
17106 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
17107 expand_to_temp_buffer, is_system_include, base_name,
17108 absolute_filename, read_name_map, open_include_file,
17109 record_control_macro, check_precompiled, check_preconditions,
17110 pcfinclude, pass_thru_directive, create_definition,
17111 check_macro_name, comp_def_part, collect_expansion,
17112 check_assertion, read_token_list, assertion_install,
17113 assertion_lookup, eval_if_expression, conditional_skip,
17114 validate_else, skip_quoted_string, quote_string, macarg1,
17115 error_from_errno, install, lookup, hashf, dump_defn_1,
17116 perror_with_name, pfatal_with_name, main, trigraph_pcp,
17117 check_white_space, rescan, handle_directive, monthnames,
17118 special_symbol, do_include, remap_include_file, write_output,
17119 arglist, do_assert, do_unassert, do_line, do_error, do_once,
17120 do_ident, do_sccs, do_xifdef, skip_if_group,
17121 output_line_directive, macroexpand, macarg, change_newlines,
17122 initialize_builtins, make_definition): Constify a char*.
17124 * pcp.h (stringdef): Likewise.
17126 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
17128 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
17131 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
17132 Richard Henderson <rth@cygnus.com>
17134 * alias.c: Include ggc.h.
17135 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
17136 (record_set): Verify enough room in reg_base_value.
17137 (init_alias_analysis): Allocate reg_base_value with xcalloc.
17138 Register it as a GC root.
17139 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
17140 * Makefile.in (alias.o): Depend on ggc.h.
17142 * unroll.c (unroll_loop): Verify the insn before a barrier
17143 is a JUMP_INSN before checking JUMP_LABEL.
17145 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17147 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
17148 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
17149 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
17150 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
17151 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
17152 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
17154 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17156 * output.h (ctors_section, dtors_section, bss_section): Prototype.
17158 * alpha/alpha-interix.h (text_section): Delete prototype.
17159 * alpha/elf.h (text_section): Likewise.
17160 * arm/linux-elf.h (text_section): Likewise.
17161 * arm/linux-telf.h (text_section): Likewise.
17162 * c4x/c4x.h (text_section): Likewise.
17163 * dsp16xx/dsp16xx.h (bss_section): Likewise.
17164 * elfos.h (text_section): Likewise.
17165 * i386/aix386ng.h (text_section): Likewise.
17166 * i386/i386-interix.h (text_section): Likewise.
17167 * i386/sco5.h (text_section): Likewise.
17168 * i386/svr3gas.h (text_section): Likewise.
17169 * nextstep.h (text_section): Likewise.
17170 * psos.h (text_section): Likewise.
17171 * ptx4.h (text_section): Likewise.
17172 * svr3.h (text_section): Likewise.
17173 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
17175 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17177 * final.c (peephole): Delete prototype.
17179 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
17180 (pre_insert_copies): Remove unused variable `bb'.
17182 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
17185 * output.h (peephole): Add prototype.
17187 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
17189 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
17192 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
17194 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
17195 for inlined declarations.
17197 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
17199 * arm.c (logical_binary_operator): New fucntion.
17200 * arm.h (logical_binary_operator): Declare it.
17201 (PREDICATE_CODES): Handle logical_binary_operator.
17202 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
17203 output constraints. Add appropriate splitters.
17204 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
17205 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
17206 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
17208 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17210 * genoutput.c (struct operand_data): New elt eliminable.
17211 (output_operand_data): Write it.
17212 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
17213 (compare_operands): Take it into account.
17214 * recog.h (struct insn_operand_data): New elt eliminable.
17215 * reload1.c (check_eliminable_occurrences, elimination_effects): New
17217 (old_asm_operands_vec, new_asm_operands_vec): Delete.
17218 (eliminate_regs): Move code that detects changes to elimination
17219 target regs into new function elimination_effects.
17220 Delete one #if 0 block.
17221 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
17222 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
17223 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
17224 Only call eliminate_regs for real operands of the insn, not for parts
17225 of its structure or parts matched by things like match_operator.
17226 Use elimination_effects and check_eliminable_occurrences. Use
17227 copy_insn to duplicate the pattern when not in the final pass.
17229 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
17231 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
17234 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17236 * fixinc/README: document the "mach" machine matching test
17237 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17238 * fixinc/fixtests.c: Implement the #else/#endif label test
17239 * fixinc/inclhack.def: utilize these tests and fixes
17240 * fixinc/inclhack.sh: regen
17241 * fixinc/fixincl.x: regen
17242 * fixinc/fixincl.sh: regen
17244 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17246 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17249 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17251 * gcc.1: Document exit codes.
17253 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17255 * calls.c: Include tm_p.h later, so everything we need is defined.
17256 * expr.c: Likewise.
17257 * function.c: Likewise.
17259 * except.c: Include tm_p.h.
17261 * sparc.c: Likewise.
17262 (dwarf2out_cfi_label): Don't prototype.
17263 (check_return_regs, epilogue_renumber,
17264 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17265 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17266 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17267 ultra_schedule_insn): Add static prototype.
17268 (data_segment_operand, text_segment_operand): Call itself with the
17269 proper number of arguments.
17270 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17272 * sparc.h: Move all declarations to sparc-protos.h.
17273 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17276 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17278 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17280 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17281 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17282 ASM_OUTPUT_ASCII): Constify a char*.
17284 * sparc-protos.h: New file for sparc prototypes.
17286 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17288 * function.c (record_insns, contains): Always declare and define.
17289 (record_insns): Mark with ATTRIBUTE_UNUSED.
17291 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17293 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17294 to .section when outputting a .bss section to deal with multiple
17295 .bss input sections (as happens with -fdata-sections)
17296 Also output %progbits, not @progbits so the assembler doesn't treat as
17298 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17300 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17301 thumb parts even when building with non-thumb CPUs, by forcing
17304 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17306 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17307 (movdf_const_intreg_sp64): Similarly.
17309 * local-alloc.c (update_equiv_regs): Check the correct insn
17310 for pre-existing REG_EQUIV notes.
17312 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17314 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17315 block reached by a branch if we're not going to actually process
17318 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17320 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17321 a local extern function declaration.
17323 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17325 * i386.c (ix86_expand_prologue): Properly wrap USE around
17326 reg for CALL_INSN_FUNCTION_USAGE.
17328 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17330 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17331 move between GP_REGs.
17333 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17335 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17336 the mode size when finding out if an offset is legal.
17338 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17340 * basic-block.h (PROP_*): Move constants from ...
17341 * flow.c: ... here.
17342 (compute_bb_for_insn): Free the array before reallocating.
17343 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17344 (allocate_reg_life_data): Reset all reg variables collected by
17346 (get_block_head_tail): Don't convert from bb to block.
17347 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17348 (find_insn_reg_weight): Take block not bb.
17349 (schedule_block): Don't set block num for moved insns.
17350 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17351 (schedule_insns): Do it here instead.
17352 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17353 before update_life_info.
17354 * recog.c (split_all_insns, peephole2_optimize): Update for
17355 new arg to update_life_info.
17356 * rtlanal.c (remove_note): Cope with NULL note.
17357 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17360 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17362 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17364 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17365 block records so that merge_blocks_nomove will clean up correctly.
17366 (split_edge): Handle casesi insns.
17368 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17370 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17372 * pa.md (call, call_value): Do not emit a blockage after restoring
17375 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17377 * c-typeck.c (c_expand_asm_operands): Fix typo.
17379 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17381 * arm.c (fpu_rhs_operand): Verify modes.
17382 (fpu_add_operand): Likewise.
17383 (di_operand): Likewise.
17384 (soft_df_operand): Likewise.
17386 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17388 * arm.c (arm_return_in_memory): APCS rules state that the elements
17389 of a structure returned in a register must be 'integer-like'.
17391 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17393 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17394 in the source tree when the generated targets are out of date
17395 * fixinc/genfixes: Alter it to run individual fixes for make.
17396 * fixinc/README: rewrite
17397 * fixinc/inclhack.def: moved initial comments to README
17399 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17401 * toplev.c (main): Do not generate an error message if an
17402 unrecognised command line switch is recognisable by another
17403 language. If extra_warnings are enabled, then generate a
17404 warning message instead.
17406 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17408 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17409 (insert_pack_attributes): Delete prototype.
17411 * c-pragma.c (default_alignment): New static variable.
17412 (push_alignment): Initialize to current effective alignment.
17413 (pop_alignment): Use to set new alignment.
17414 (insert_pack_attributes): Delete function.
17415 (handle_pragma_token): Set default_alignment as well each time
17416 a #pragma pack(<n>) is encountered.
17418 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17420 * reg-stack.c (stack_result): Aggregates are not returned in
17423 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17425 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17427 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17429 * basic-block.h (set_block_num): Declare.
17430 * flow.c (update_life_info): Don't call compute_bb_for_insn
17431 or free_basic_block_vars.
17432 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17433 (insn_orig_block): Remove.
17434 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17435 (schedule_block): Keep BLOCK_NUM up-to-date.
17436 (schedule_insns): Use compute_bb_for_insn.
17437 * recog.c (split_all_insns): Likewise.
17438 (peephole2_optimize): Likewise.
17440 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17442 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17443 if the pic register is used.
17445 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17447 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17448 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17449 if that tests TREE_PERMANENT.
17451 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17453 * cse.c (invalidate_for_call): Do not remove memory references from
17454 the table here. It's handled elsewhere.
17456 * haifa-sched.c (add_dependence): Protect references to the
17457 true dependency cache with #ifdef INSN_SCHEDULING.
17458 (remove_dependence): Similarly.
17460 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17461 to the cfg code that this is a return instruction.
17462 * mn10300.md (return_internal): Similarly.
17464 * combine.c (get_last_value): If the last set of a register
17465 is after subst_low_cuid, then we can not use it to determine
17466 the register's last value.
17468 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17470 * Makefile.in: Back out previous change.
17472 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17474 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17476 * haifa-sched.c (add_dependence): Only check/update the cache
17478 (remove_dependence): Likewise.
17479 (schedule_insns): Only create the true_dependency_cache if the
17480 average number of instructions in a basic block is very large.
17482 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17484 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17485 (ggc-simple.o): Likewise.
17486 (ggc-page.o): Likewise.
17488 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17490 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17491 Prototype for exported functions.
17492 (pre_lcm, pre_rev_lcm): Remove prototypes.
17493 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17494 (compute_available): Move to lcm.c, and change parameter order.
17495 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17496 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17497 (gcse_main): No longer call compute_preds_succs. Rebuild the
17498 set table after reach pre pass.
17499 (pre_insert_map, pre_delete_map, edge_list): New.
17500 (alloc_pre_mem): Allocate edge vectors.
17501 (free_pre_mem): Delete edge vectors.
17502 (compute_pre_data): Call new edge based lcm routines.
17503 (process_insert_insn): New function.
17504 (insert_insn_end_bb): Use it.
17505 (pre_edge_insert): New function.
17506 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17508 (pre_insert_copies): Revamp using new edge based lcm outputs.
17509 (pre_delete): Likewise.
17510 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17512 (compute_code_hoist_vbeinout): New new edge based routines.
17513 * lcm.c: Remove all the old LCM functions. Replace with new ones
17514 that work with the new cfg datastructures and work with edges
17517 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17519 * reload.h (struct reload): Add new fields "mode" and "nregs".
17520 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17521 to reference the "mode" and "nregs" field within struct reload.
17523 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17525 * haifa-sched.c (true_dependency_cache): New.
17526 (add_dependence): Use the true dependency cache to avoid expensive
17527 walks down the LOG_LINKS dependency list. Add entries to the
17528 cache as necessary.
17529 (remove_dependence): Remove entries from the true dependency cache
17531 (schedule_insns): Allocate and initialize and free the true
17534 * haifa-sched.c (schedule_insns): Do not remove inter-block
17535 dependencies anymore.
17537 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17539 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17540 * i386/t-winnt: Likewise.
17542 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17544 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17546 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17548 * Makefile.in (LANGUAGES): Omit "proto".
17549 (clean): Remove stale comment about removing unprotoize.c.
17551 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17553 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17554 using arithmetic on void pointers.
17556 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17558 * haifa-sched.c (compute_block_forward_dependencies): Only check
17559 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17561 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17563 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17564 (expr_equiv_p): Reject memories with different alias sets.
17566 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17568 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17569 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17570 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17571 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17572 (lang_init): Set default for flag_bounds_check if still "unspecified".
17574 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17576 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17578 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17580 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17583 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17585 * config/c4x/c4x.md (*db_noclobber,
17586 *decrement_and_branch_until_zero_noclobber): New patterns and
17587 associated splitters.
17589 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17591 * config/c4x/c4x.md (parallel instruction patterns): Rework
17592 constraints to keep reload happy.
17594 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17596 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17597 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17598 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17599 Add new patterns and associated post-reload splitters.
17601 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17603 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17605 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17607 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17609 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17611 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17613 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17616 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17618 * pa.c (move_operand): Rely on memory_address_p to determine the
17619 validity of non-indexed memory addresses.
17620 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17621 operand in DFmode and SFmode when generating PA2.0 code.
17623 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17625 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17627 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17629 * mips.c (function_prologue): Fix argument types.
17630 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17631 (casesi_internal): Write to the scratch register.
17633 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17635 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17637 (parse_charconst): Delete unnecessary cast when calling
17639 (cpplib.h): Kill prototype of cpp_parse_escape.
17641 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17643 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17644 * unroll.c (unroll_loop): Cast return value of alloca.
17645 * i370/i370.c: Include function.h and toplev.h.
17646 (i370_label_scan): Remove c++ commented abort.
17647 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17648 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17649 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17650 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17652 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17654 * config/t-freebsd: Do not override USER_H.
17655 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17657 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17658 Mumit Khan <khan@xraylith.wisc.edu>
17660 * c-parse.in (component_decl): Support anonymous struct/union.
17662 * c-parse.y: Regenerate.
17663 * c-parse.c: Likewise.
17664 * objc/objc-parse.y: Likewise.
17665 * objc/objc-parse.c: Likewise.
17666 * c-decl.c (finish_struct): Don't sort the fields.
17667 (field_decl_cmp): Delete unused function.
17669 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17671 * sparc.md (movsf_const_intreg): Revert last constraint change.
17672 (movdf_const_intreg_sp32): Likewise.
17674 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17676 * cse.c: Include hashtab.h instead of splay-tree.h
17677 (struct cse_reg_info): No longer use variant union. Add new
17678 field "regno". All references changed to avoid union.
17679 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17680 (free_cse_reg_info): Remove.
17681 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17682 (get_cse_reg_info): Revamp to use expandable hash tables instead
17683 of splay trees. Initialize new fields in cse_reg_info structure.
17684 (new_basic_block): Similarly.
17686 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17688 * genrecog.c (message_with_line): Prototype.
17689 (validate_pattern): Pass along the set for the dest, not a flag.
17690 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17691 Check for PC/CC0 as sources.
17692 (nodes_identical): Check for children position match before
17693 allowing the combination.
17695 * rtl.c (read_rtx): Track line number across \\\n.
17697 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17699 * mips.h (SPECIAL_MODE_PREDICATES): New.
17700 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17701 (movdi+1, movsi+1): Add output reload constraint.
17702 (casesi_internal): Likewise. Fix commentary.
17703 (return_internal): Use pmode_register_operand.
17705 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17707 * 1750a.md (movstrqi): Add missing output reload constraint.
17708 (call_value): Likewise.
17709 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17710 (jmpfdec): Add missing inout reload constraint.
17711 * elxsi.md (addsi patterns): Add missing output reload constraint.
17712 (move from sp): Use @ alternates.
17713 (call_value): No constraint on output.
17714 * fr30.md (movsi_pop): Add missing output reload constraint.
17715 (movsf_constant_store): Likewise.
17716 (splits): Remove constraints.
17717 (subsi3): Add missing mode.
17718 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17719 (call_value): Likewise.
17720 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17721 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17722 * m32r.md (movsicc_internal): Add output reload constraint.
17723 (movstrsi_internal): Add inout reload constraints.
17724 * m88k.h (reg_names): Don't declare.
17725 (SPECIAL_MODE_PREDICATES): New.
17726 * m88k.md (*): Use register_operand not reg_or_0_operand
17728 * mn10200.h (PREDICATE_CODES): New.
17729 * ns32k.md (ffs pattern): Add output reload constraint.
17730 * pdp11.md (sob pattern): Add inout reload constraint.
17731 * sh.md (splits): Remove constraints.
17732 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17733 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17734 * vax.md (jgequ pattern): Add inout reload constraint.
17736 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17738 * configure.in (djgpp): Revert previous patch.
17739 * configure: Rebuit.
17740 * config/i386/djgpp.h: Revert previous patch.
17742 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17744 * fixinc/inclhack.def: Restore patch lost during last merge of
17745 "no_bogosity" branch.
17746 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17748 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17750 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17751 * fixinc/inclhack.def: Same.
17752 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17754 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17756 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17757 as the base of a PLUS.
17759 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17761 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17762 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17764 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17766 * pa.md (post_stw+1): Use pmode_register_operand.
17767 (dcacheflush, icacheflush): Likewise.
17769 * i386.md (movstricthi_1): Allow r/r.
17771 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17773 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17774 to (not (and (arg0) (arg1))). Similary for and.
17776 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17777 fallthrough to associate code.
17778 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17781 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17782 no bits in common; remove XOR to ROTATE conversion.
17784 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17786 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17788 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17790 * config/c4x/c4x.c (dst_operand): New.
17791 (PREDICATE_CODES): Update.
17792 * config/c4x/c4x.h (dst_operand): Declare it.
17793 * config/c4x/c4x.md: Define mode for each unspec usage.
17794 (move patterns): Use dst_operand predicate instead of src_operand.
17795 (movqi_update, movqf_update): Delete.
17797 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17799 * recog.c (pmode_register_operand): New.
17800 * recog.h: Declare it.
17801 * genrecog.c (pred_codes): Likewise.
17802 (special_mode_pred_table): Likewise.
17803 (validate_pattern): Don't warn no mode for address_operand.
17805 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17806 if the operand is not insn-like.
17808 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17809 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17811 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17813 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17815 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17816 instead of general_operand in a SET_DEST. Use const_double_operand
17817 instead of an explicit test against CONST_DOUBLE.
17818 (movsf_const_lo): Add missing register mode.
17819 (goto_handler_and_restore): Add auxiliary test for Pmode.
17820 (flush): Adjust to use address_operand.
17821 (return_sf_no_fpu): Add missing output constraint.
17823 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17825 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17826 for call return value.
17827 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17829 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17831 * toplev.c (main): Only warn about options for other languages.
17832 * collect2.c (main): Pass -w to sub-gcc.
17834 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17836 * flow.c (propagate_block): Add call-clobbered registers to
17839 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17840 zapping mem_set_list.
17841 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17842 (mark_set_1, mark_used_regs): Likewise.
17844 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17846 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17848 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17850 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17851 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17852 options. Also add a new item "C-only Warning Options" to the
17855 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17857 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17858 from multiple calls.
17860 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17862 * i386.md (call value patterns): Move to the end of the file.
17863 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17865 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17867 * configure.in (djgpp configuration): Define extra_objects..
17868 * configure: Rebuilt.
17869 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17870 (DTORS_SECTION_ASM_OP): Define.
17871 (INIT_SECTION_ASM_OP): Define.
17872 (FINI_SECTION_ASM_OP): Define.
17873 (DATA_SECTION_ASM_OP): Define.
17874 (TEXT_SECTION_ASM_OP): Define.
17875 (EH_FRAME_SECTION_ASM_OP): Define.
17876 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17877 (STARTFILE_SPEC): Add crtbegin.o.
17878 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17879 to here from LINK_COMMAND_SPEC.
17880 (DO_GLOBAL_CTORS_BODY): Define.
17881 (CRTSTUFF_USE_FINI_SECTION): Define
17882 (HAS_INIT_SECTION): Delete.
17884 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17886 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17888 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17890 * pa.h (PREDICATE_CODES): New.
17892 * genrecog.c (validate_pattern): Condense the destination
17893 non-lvalue message.
17895 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17897 * alpha.md (call-1): Supply missing mode for operator.
17898 (*): Add missing output reload constraints. Remove constraints
17899 from define_splits.
17901 * i386.h (SPECIAL_MODE_PREDICATES): New.
17902 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17903 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17904 (addsi_lea_3): Add missing mode for op 3.
17905 (prologue_set_got, prologue_get_pc): Add missing modes.
17906 (*) Add missing output reload constraints.
17908 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17910 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17911 check for member bit-size overflow and use var_size if it occurs.
17912 (layout_record): Use bitsize_int() to define the type size in bits.
17913 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17914 (layout_decl): Likewise when assigning to DECL_SIZE.
17916 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17918 * genrecog.c (validate_pattern): Typo last change. Verify
17919 that output operands have output reloads.
17921 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17923 * genrecog.c (special_mode_pred_table): New.
17924 (NUM_SPECIAL_MODE_PREDS): New.
17925 (find_operand): New.
17926 (validate_pattern): New argument `insn'. Warn for assignment to
17927 any predicate accepting non-lvalues. Conditionaly warn for
17928 match_operand without a mode. Try much harder to match source
17929 and destination modes on a set.
17930 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17932 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17934 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17936 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17938 * combine.c (simplify_logical): Recognize xor pattern that encodes
17941 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17943 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17946 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17948 * ggc-page.c (MAP_FAILED): Provide default.
17950 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17952 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17953 * sparc.h (PREDICATE_CODES): Update.
17955 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17957 * alpha.c (some_ni_operand): New.
17958 * alpha-protos.h: Declare it.
17959 * alpha.h (PREDICATE_CODES): Update.
17960 * alpha.md (sXaddq reload insns): Use some_ni_operand
17961 for SET_DEST instead of some_operand.
17963 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17964 Jim Wilson <wilson@cygnus.com>
17966 * genrecog.c (maybe_both_true_2): Don't compare modes of
17968 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17969 after find_afterward.
17970 (debug_decision_1): Dump next and afterward codes.
17972 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17974 * rtl.c (dump_and_abort): Remove.
17975 (fatal_with_file_and_line): New.
17976 (fatal_expected_char): New.
17977 (read_rtx_lineno, read_rtx_filename): New.
17978 (read_skip_spaces): Track line number.
17979 (read_name): Use fatal_with_file_and_line.
17980 (read_rtx): Use fatal_expected_char. Track line number.
17981 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17983 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17984 if it isn't a CODE_LABEL.
17986 * genattr.c (main): Set read_rtx_filename.
17987 * genattrtab.c (main): Likewise.
17988 * gencodes.c (main): Likewise.
17989 * genconfig.c (main): Likewise.
17990 * genemit.c (main): Likewise.
17991 * genextract.c (main): Likewise.
17992 * genflags.c (main): Likewise.
17993 * genopinit.c (main): Likewise.
17994 * genoutput.c (main): Likewise.
17995 * genpeep.c (main): Likewise.
17997 * genrecog.c (decision_test.u.insn): Add `lineno'.
17998 (pattern_lineno, error_count): New variables.
17999 (message_with_line): New.
18000 (add_to_sequence): Break out checking code to ...
18001 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
18002 (merge_insn): Use message_with_line.
18003 (make_insn_sequence): Use validate_pattern. Record insn lineno.
18004 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
18006 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18008 * expr.c (store_constructor): Clear union if constructor is empty.
18010 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
18012 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
18013 Add !endian checks. Change %{...} to %(...).
18015 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
18017 * i386.md (*addsi3_cc): Renamed from addcsi3.
18018 (*addsi3_carry): Renamed from addxsi3.
18019 (*subsi3_cc): Renamed from subcsi3.
18020 (*subsi3_carry): Renamed from subxsi3.
18021 (*xorqi_cc_1): Renamed from xorcqi_1.
18022 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
18023 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
18025 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
18027 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
18028 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
18030 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
18032 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
18033 climb up the chain of insns.
18035 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
18037 * genrecog.c (write_subroutine): Careful for null trees.
18038 (process_tree): Don't elide empty functions.
18040 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
18042 * Makefile.in (genrtl.o): Depend on ggc.h.
18043 * configure.in (valloc): Probe for it.
18044 (with-gc): Use ggc-page if valloc present.
18045 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
18046 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
18047 (ggc_alloc_string): Moved from ggc-page.c.
18048 * ggc-none.c (ggc_alloc_obj): New.
18049 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
18050 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
18051 (struct globals): Likewise for dev_zero_fd.
18052 (init_ggc): Likewise for it's initialization.
18053 (ggc_allocated_p): Move careful dereference from ...
18054 (ggc_lookup_page_table): ... here. Delete.
18055 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
18056 (alloc_anon): Use valloc if no mmap.
18057 (release_pages): Use free if using valloc.
18058 (ggc_alloc_obj): Renamed from alloc_obj.
18059 (ggc_set_mark): Renamed from mark_obj.
18060 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
18061 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
18062 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
18063 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
18064 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
18065 (ggc_collect): Use fp printing instead of our own rounding.
18066 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
18067 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
18068 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
18069 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
18070 (struct ggc_string, struct ggc_any): Delete.
18071 (offsetof): Provide default definition.
18072 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
18074 (struct ggc_mem): New, from corpse of ggc_any.
18075 (struct ggc_status): Delete.
18076 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
18077 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
18078 (n_strings_collected, n_anys_collected): Delete.
18079 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
18080 (ggc_alloc_string, ggc_alloc): Delete.
18081 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
18082 (ggc_free_string, ggc_free_any): Delete.
18083 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
18084 (ggc_compare_addresses, ggc_mark_string): Delete.
18085 (ggc_mark_string_if_gcable, ggc_mark): Delete.
18086 (search_data): Delete.
18087 (struct globals): New.
18088 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
18089 (tree_insert, tree_lookup): New.
18090 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
18091 (clear_marks, sweep_objs): New.
18092 (ggc_collect): Gut. Use clear_marks, sweep_objs.
18093 (init_ggc): Set allocated_last_gc.
18094 (ggc_push_context): Gut. Use G.context.
18095 (ggc_pop_context): Likewise.
18096 (ggc_pop_context_1): New.
18097 (debug_ggc_tree): New.
18098 (debug_ggc_balance, tally_leaves): New.
18099 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
18100 (ggc_mark_string_if_gcable): Remove decl.
18101 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
18102 (ggc_mark_rtvec_children): New.
18103 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
18104 (ggc_mark_if_gcable): New decl.
18105 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
18106 (ggc_alloc_tree, ggc_alloc): Likewise.
18107 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
18108 (ggc_alloc_obj): New decl.
18109 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
18110 (ggc_alloc_tree, ggc_alloc): Likewise.
18111 (ggc_set_mark): New decl.
18112 * rtl.h (struct rtx_def): Remove gc_mark.
18113 (struct rtvec_def): Likewise.
18114 * tree.h (struct tree_common): Likewise.
18116 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
18118 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
18119 float_format and thread_file definitions.
18120 * configure: Rebuilt.
18122 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
18124 * extend.texi (Function Names): Document types of function names.
18126 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18128 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18129 an earlyclobbered output conflict with RELOAD_INPUT reloads.
18131 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18133 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
18135 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18137 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
18139 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
18141 * collect2.c (main): Do prelimnary link on AIX if rflag.
18143 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18145 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
18146 __CTOR_LIST__ in opposite order, which is the correct order for sorted
18148 (__do_global_dtors): similarly for __DTOR_LIST__.
18150 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18151 Diego Novillo <dnovillo@cygnus.com>
18153 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
18156 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
18158 * fixincl/*: Merged "no_bogosity" branch
18159 * fixincl/fixlib.h: protect against doubly defining t_bool
18160 * fixincl/server.h: protect against doubly defining t_bool
18162 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
18164 * genoutput.c: Include toplev.h.
18166 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
18168 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
18170 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
18171 * configure: Regenerate.
18173 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18175 * gcse.c (delete_null_pointer_checks): Returns void.
18177 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18179 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
18180 * emit-rtl.c (copy_insn_1): Likewise.
18182 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18184 * config/mips/mips.c (mips_build_va_list): Correct
18185 TREE_CHAIN setting when hard-float.
18186 (mips_va_start): Use corrected setting.
18187 (mips_va_arg): Likewise. Also pass a tree to build of
18188 POSTINCREMENT_EXPR rather than a naked 'int'.
18190 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
18192 * ggc.h (ggc_push_context): Fix comment.
18193 (ggc_pop_context): Likewise.
18194 (mark_string_if_gcable): Likewise.
18195 * ggc-common.c (ggc_mark_rtx_children): Use
18196 ggc_mark_string_if_gcable.
18197 * ggc-page.c (ggc_lookup_page_table): New function.
18198 (ggc_allocated_p): Likewise.
18199 (mark_obj): Fix formatting.
18200 (ggc_mark_string_if_gcable): New function.
18201 * ggc-simple.c (ggc_allocated_strings): New variable.
18202 (ggc_strings_used): Likewise.
18203 (ggc_compare_addresses): New function.
18204 (ggc_pop_context): Pop the `any' memory too.
18205 (ggc_mark_string_if_gcable): New function.
18206 (ggc_collect): Initialize and tear down ggc_allocated_strings.
18208 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
18210 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
18211 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
18212 * rs6000.c (expand_block_move): Match movstrsi_?reg register
18215 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
18217 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
18218 (sched_reg_live_length, sched_reg_basic_block): Delete.
18219 (current_block_num, bb_live_regs, old_live_regs): Delete.
18220 (dead_notes, struct sometimes): Delete.
18221 (sched_note_set, birthing_insn_p): Delete.
18222 (adjust_priority): Gut useless reg lifetime code.
18223 (create_reg_dead_note, attach_deaths): Delete.
18224 (attach_deaths_insn, new_sometimes_live): Delete.
18225 (finish_sometimes_live): Delete.
18226 (find_pre_sched_live, find_post_sched_live): Delete.
18227 (update_reg_usage): Delete.
18228 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
18229 (schedule_insns): Delete reg lifetime code.
18230 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
18231 (unlink_other_notes): Adjust REG_NOTE commentary.
18232 (reemit_notes): Use REG_SAVE_NOTE.
18233 (schedule_block): Likewise.
18234 (schedule_region): Allocate bitmap of blocks in region. Use
18235 count_or_remove_death_notes. Use update_life_info.
18237 * rtl.h (REG_SAVE_NOTE): New.
18238 * rtl.c (reg_note_name): Update.
18240 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18242 * combine.c (refresh_blocks, need_refresh): New.
18243 (combine_instructions): Allocate refresh_blocks. Invoke
18244 update_life_info if needed.
18245 (distribute_notes): Mark refresh_blocks instead of installing
18247 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18248 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18250 * Makefile.in (recog.o): Depend on basic-block.h.
18252 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18254 * genrecog.c (add_to_sequence): Thinko last change: delete
18255 shadowing allow_const_int variable.
18257 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18259 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18260 __GNUC__ and __GNUC_MINOR__.
18262 * gansidecl.h: Likewise.
18268 * toplev.h: Likewise.
18270 * tree.c: Likewise.
18272 * tree.h: Likewise.
18274 * varray.c: Likewise.
18276 * varray.h: Likewise.
18278 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18280 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18281 use one before a jump table.
18283 * rtl.def (ADDRESS): Change documentation to match reality.
18284 * md.texi: Don't document it.
18285 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18288 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18290 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18292 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18293 known predicate block; default allow_const_int true.
18294 (debug_decision_list): New.
18296 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18298 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18300 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18302 * gcse.c (gcse_main): Avoid global optimizations if we have a
18303 large number of basic blocks and the ratio of edges to blocks
18305 (delete_null_pointer_checks): Likewise.
18307 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18309 * c-common.c (check_format_info): Warn if format string isn't a
18312 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18314 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18315 * configure: regenerate
18317 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18319 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18320 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18321 (peepholes): Re-enable.
18323 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18325 * Makefile.in (flow.o): Depend on TREE_H.
18326 * basic-block.h (REG_SET_EQUAL_P): New.
18327 (XOR_REG_SET): New.
18328 (n_edges): Declare.
18329 (free_regset_vector): Remove declaration.
18330 (flow_delete_insn_chain): Declare.
18331 (enum update_life_extent): New.
18332 (update_life_info, count_or_remove_death_notes): Declare.
18333 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18334 Verify register live at bb->global_live_at_start before adding USE.
18335 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18336 (CLEAN_ALLOCA): New.
18338 (PROP_*): New flags.
18339 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18340 (clear_edges): Zero n_edges.
18341 (make_edge): Increment n_edges.
18342 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18343 (flow_delete_insn_chain): Export.
18344 (delete_block): Decrement n_edges.
18345 (merge_blocks_nomove): Likewise.
18346 (life_analysis): Give life_analysis_1 PROP flags.
18347 (verify_wide_reg_1, verify_wide_reg): New.
18348 (verify_local_live_at_start): New.
18349 (update_life_info): Rewrite to call into propogate_block.
18351 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18352 always mark stack pointer. Conditionally mark PIC register.
18353 After reload, mark call-saved registers, return regsiters.
18354 (life_analysis_1): Accept PROP flags not remove_dead_code.
18355 Call mark_regs_live_at_end before zeroing regs_ever_live.
18356 Use calculate_global_regs_live. Copy global_live_at_end before
18357 calling final propagate_block. Zero reg_next_use on exit.
18358 (calculate_global_regs_live): New.
18359 (allocate_bb_life_data): Don't allocate bb->local_set.
18360 (init_regset_vector, free_regset_vector): Remove.
18361 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18362 Test flags before every operation. Warn if prologue/epilogue insn
18363 would have been deleted.
18364 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18365 Use alloc_EXPR_LIST.
18366 (mark_used_regs): Accept and use FLAGS, not FINAL.
18367 Remove special handling for RETURN.
18368 (try_pre_increment): Use alloc_EXPR_LIST.
18369 (dump_flow_info): Dump n_edges.
18370 (unlink_insn_chain, split_hard_reg_notes): Remove.
18371 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18372 (find_insn_with_note, new_insn_dead_notes): Remove.
18373 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18374 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18375 (replace_insns): Remove.
18376 (count_or_remove_death_notes): New.
18377 (verify_flow_info): Abort on error after all checks.
18378 (remove_edge): Decrement n_edges.
18379 (remove_fake_edges): Tweak format.
18380 * haifa-sched.c (schedule_insns): Use split_all_insns.
18381 * output.h (update_life_info): Remove declaration.
18382 * recog.c (split_all_insns): From the corpse of split_block_insns,
18383 do the whole function block by block. Use update_life_info.
18384 (recog_last_allowed_insn): New.
18385 (recog_next_insn): Mind it.
18386 (peephole2_optimize): Set it. Walk backwards through blocks.
18387 Use update_life_info.
18388 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18389 (split_all_insns): Declare.
18390 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18391 Use split_all_insns.
18393 * i386.md (or -1 peep2s): Disable.
18395 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18397 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18398 a single pattern. Scrap the 'd' versions as unnecessary.
18400 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18401 tablejump_mips162,tablejump_internal4): The operands to a
18402 label_ref must be VOIDmode.
18404 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18406 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18408 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18410 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18412 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18414 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18415 cache every function if ggc_p.
18417 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18419 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18420 instead of copy_rtx. Accept sequences that contain asm statements.
18421 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18422 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18423 orig_asm_operands_vector, copy_asm_operands_vector,
18424 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18426 * rtl.h (copy_insn, copy_insn_1): Declare.
18428 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18430 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18432 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18433 arguments to `current_file_function_operand'.
18435 * genrecog.c: Include hard-reg-set.h and resource.h in the
18436 generated output file.
18438 * real.c: Include tm_p.h.
18440 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18442 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18445 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18447 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18448 before the fctiwz insn.
18450 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18451 Mark Mitchell <mark@codesourcery.com>
18453 * tree.c (make_lang_type_fn): New funtion pointer.
18454 (make_lang_type): Call it.
18455 * tree.h (make_lang_type): Declare.
18456 (make_lang_type_fn): Likewise.
18457 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18459 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18461 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18462 make sure that HIGH instructions are copied into BASE_REGS.
18464 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18466 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18468 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18470 * c-decl.c (finish_struct): Use simpler method of
18471 removing elements of a singly-linked list.
18473 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18475 * alpha.md (peephole2's): Comment out peephole2's that generate
18478 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18480 * genrecog.c (add_to_sequence): Disable mode check for
18483 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18485 * ggc-simple.c (init_ggc): Set empty_string.
18487 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18489 * configure.in: Detect mmap. Add --with-gc=foo to select
18490 garbage collector; default to page if mmap available.
18491 * Makefile.in (GGC): Substitute.
18493 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18495 * c-decl.c (ggc_p): Enable.
18497 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18499 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18501 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18503 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18504 string for little-endian-data.
18506 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18508 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18509 case somebody tries to compile --enable-checking code with gcc
18512 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18514 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18517 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18519 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18520 * jump.c (jump_optimize_1): Document why.
18522 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18524 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18525 pointers and casts for `int_handler' and `quit_handler'.
18527 * flow.c (verify_flow_info, split_hard_reg_notes,
18528 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18529 remove_edge, remove_fake_successors): Add static prototypes.
18530 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18531 (mark_set_1): Initialize variable `regno'.
18532 (unlink_insn_chain): Likewise for variable `curr'.
18533 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18535 * loop.c (strength_reduce): Initialize variable
18536 `unrolled_insn_copies'.
18537 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18538 prototypes. Change these functions to take const PTR parameters
18539 to avoid prototype conflict when used as the comparson argument
18541 (check_dbra_loop): Initialize variable `comparison_val'.
18543 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18544 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18545 (find_valid_class): Initialize variable `best_class'.
18546 (find_reloads): Call memcpy, not bcopy.
18548 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18549 (hard_reg_use_compare): Don't needlessly cast away const.
18550 (reload_reg_class_lower): Likewise.
18551 (choose_reload_regs): Initialize variable `regno'.
18553 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18555 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18557 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18559 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18560 ({,d}discard): Add forward declarations. Declare parameter as
18562 (main_without_main): Explicitly declare return type to be int.
18563 (memcpy): Properly declare.
18565 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18566 building the trampoline support, declare malloc, free, and
18568 (__clear_cache): Mark arguments as potentially unused.
18570 * frame.c (toplevel): If inhibit_libc is defined, declare
18573 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18575 * flow.c (make_edge): Accept an optional 2D bitmap in which
18576 to cache edge existence. Update all callers.
18577 (make_label_edge, make_eh_edge): Pass through the edge cache.
18578 (make_edges): Provide the cache.
18580 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18582 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18584 (local_mbtowc): Change the type of variable `i' from int to size_t.
18586 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18587 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18589 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18591 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18592 after other includes that define the appropriate types. Include
18593 tm_p.h for getting user prototypes.
18594 * ggc-callbacks.c (toplevel): Ditto.
18595 * ggc-none.c (toplevel): Ditto.
18596 * gcc-page.c (toplevel): Ditto.
18597 * ggc-simple.c (toplevel): Ditto.
18599 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18600 Jonathan Larmour <jlarmour@cygnus.co.uk>
18602 * config/mips/mips.c (mips_move_2words): Split doubles if
18603 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18605 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18607 * genrecog.c (struct decision_test): New.
18608 (struct decision): Remove test-related members, sort the rest by size.
18609 (IS_SPLIT): Simplify.
18610 (new_decision, new_decision_test): New.
18611 (add_to_sequence): Use them. No special handling for args of
18613 (maybe_both_true): Renamed from not_both_true; return sense changed.
18614 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18615 of maybe_both_true and adjusted for decision_test.
18616 (position_merit): Remove.
18617 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18618 (merge_accept_insn): New, broken out of merge_trees.
18619 (merge_trees): Use them. No special case for c_test; no node
18620 splitting; use test type instead of position_merit.
18621 (factor_tests): New.
18622 (simplify_tests): New.
18623 (break_out_subroutines): Don't write code now.
18624 (find_afterward): New.
18625 (write_afterward, write_switch, write_cond): New.
18626 (write_action, is_unconditional): New.
18627 (write_node): New. Use them.
18628 (write_tree_1): Rewrite. Use the new functions above.
18629 (write_tree): Remove afterward processing.
18630 (write_subroutine): Simplify function variant emission.
18631 (write_subroutines): New.
18632 (same_codes, clear_codes): Remove.
18633 (same_modes, clear_modes): Remove.
18634 (write_header): New, broken out of main.
18635 (make_insn_sequence): Use new_decision and new_decision_test.
18636 (process_tree): New, broken out of main.
18637 (main): Adjust for merge_trees interface change.
18638 Don't #define operands in the output file.
18639 (record_insn_name): New, broken out of make_insn_sequence.
18640 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18641 (debug_decision): New.
18643 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18645 * resource.c (find_free_register): Mark class_str argument const.
18646 * resource.h: Update prototype to match.
18648 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18649 * i386.md: Give all anonymous insns names.
18651 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18653 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18656 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18658 * toplev.c (dbr_sched_time): Unconditional.
18659 (peephole2_time): New.
18660 (compile_file): Add pass numbers to all of the dump file suffixes.
18661 Dump peephole2_time. Don't dump times for non-applicable passes.
18662 (rest_of_compilation): Add pass numbers to dump file suffixes.
18663 Conditionalize calls to the scheduler.
18664 * invoke.texi: Update.
18666 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18668 * flow.c (make_edges): Fix insn iteration.
18669 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18670 (find_basic_blocks_1): Fix spelling mistake.
18672 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18674 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18675 always have side-effects. Use memset not bzero.
18676 (make_node): Likewise.
18678 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18680 * stmt.c (expand_anon_union_decl): When any of the elements of the
18681 union is addressable, so is the entire union.
18683 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18685 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18687 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18688 * bitmap.c (bitmap_operation): Return true iff TO changed.
18689 (bitmap_equal_p): New.
18690 (bitmap_bit_p): Tidy arithmetic.
18691 (debug_bitmap_file): Likewise.
18693 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18695 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18696 before cse2 instead of after.
18698 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18700 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18703 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18705 * cppinit.c (is_idchar initializer): Loosen tests to accept
18708 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18710 * mips.md: Define conditional move patterns for floating point
18711 operands and DI mode conditions.
18713 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18715 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18716 always have side-effects.
18718 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18720 * mn10200.c (asm_file_start): Fix typo.
18722 * cppinit.c (is_idchar initializer): Tighten tests for when
18723 to put the table into initialized memory.
18725 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18726 not an array of rtunion.
18727 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18728 * gcc-simple (ggc_free_rtvec): Similarly.
18730 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18733 * mbchar.h: Add missing #endif.
18735 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18736 (FPBIT, DPBIT): Define.
18738 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18740 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18742 * profile.c (instrument_arcs, output_gcov_string,
18743 tablejump_entry_p): Add static prototypes.
18744 (output_gcov_string): Constify a char*.
18746 * regmove.c (replacement_quality, fixup_match_2): Add static
18749 * resource.h (reg_dead_p): Add extern prototype.
18751 * rtl.c (trim_filename): Add static prototype.
18753 * scan-decls.c (skip_to_closing_brace): Likewise.
18755 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18756 (expand_end_case): Initialize variable `range'.
18757 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18759 * varasm.c (asm_emit_uninitialised): Add static prototype.
18760 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18763 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18765 * cpplib.c (if_directive_nameo): Add static prototype.
18767 * cse.c (cse_insn): Remove unused variable `p'.
18769 * except.c (create_rethrow_ref, push_entry,
18770 receive_exception_label, new_eh_region_entry, find_func_region,
18771 clear_function_eh_region, process_nestinfo): Add static prototypes.
18772 (get_reg_for_handler): Hide definition.
18773 (process_nestinfo): Initialize variable `extra_handlers'.
18775 * expr.h (expand_builtin_longjmp): Add extern prototype.
18777 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18779 * function.c (prepare_function_start): Likewise.
18780 (pop_function_context_from): Mark parameter `context' with
18782 (push_temp_slots_for_block, flush_addressof): Hide definition.
18784 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18785 solve_program_flow_graph, calculate_branch_probs,
18786 function_summary, main, fancy_abort): Add prototypes.
18788 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18789 (add_hash): Constify a char*.
18791 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18792 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18793 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18795 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18797 * lists.c (free_list, zap_lists): Likewise.
18799 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18801 * alias.c (nonlocal_reference_p): Add static prototype.
18803 * bitmap.c (bitmap_element_allocate): Prototype args in function
18806 * builtins.c (stabilize_va_list): Add static prototype.
18807 (expand_builtin_va_arg): Constify a char*.
18809 * c-lex.c (getch, put_back, extend_token_buffer_to,
18810 read_line_number, token_getch, token_put_back): Add static
18813 * c-parse.gperf (hash, is_reserved_word): Likewise.
18815 * cccp.c (is_dir_separator): Likewise.
18817 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18819 * graph.h: New file to prototype functions exported by graph.c.
18821 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18823 * graph.c: Include graph.h.
18825 * toplev.c: Likewise. Remove redundant prototypes.
18827 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18829 * invoke.texi: Removed duplicated description for -Q.
18831 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18833 * extend.texi: Grammar fix in __extension__ text.
18835 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18837 * md.texi (define_peephole2): New section.
18839 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18841 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18842 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18845 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18847 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18849 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18851 * i386.md (ffs expander): Emit Pentium friendly code for
18854 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18856 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18858 (build1): Likewise.
18860 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18862 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18864 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18866 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18867 register is in use.
18869 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18871 * md.texi (No Constraints): Delete section.
18872 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18873 * final.c (final_scan_insn): We always have register constraints.
18874 * genattrtab.c: Don't include "insn-config.h".
18875 (write_attr_case): We always have register constraints.
18876 * genconfig.c (register_constraint_flag): Delete.
18877 (walk_insn_part): Don't check whether we have register constraints.
18878 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18879 * genoutput.c (have_constraints): Delete.
18880 (main): Don't set it.
18881 (output_operand_data): We always have constraints.
18882 (scan_operands): Likewise.
18883 (compare_operands): Likewise.
18884 * local-alloc.c (block_alloc): We always have constraints.
18885 (requires_inout): Always compile this function.
18886 * recog.c (extract_insn): We always have constraints.
18887 (constrain_operands, reg_fits_class_p): Always compile these
18889 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18891 (struct insn_operand_data): Likewise.
18892 * regclass.c (regclass): We always have constraints.
18893 (record_reg_classes, copy_cost, record_address_regs,
18894 auto_inc_dec_reg_p): Always compile these functions.
18895 * regmove.c (regmove_optimize): We always have constraints.
18896 * reload.c (find_reloads): Likewise.
18897 * reload1.c (reload): Likewise.
18898 (reload_cse_simplify_operands): Likewise.
18899 * i860.c (output_delay_insn): Likewise.
18901 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18903 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18905 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18907 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18908 for the va_list record.
18910 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18912 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18915 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18917 * alias.c: Include insn-flags.h.
18918 * Makefile.in (alias.o): Update.
18920 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18922 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18923 to LTU and GEU. Handle more cases using sbb.
18925 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18927 * i386.md (truncatexfdf splitters): Do not use subreg.
18928 (fop XFmode patterns): Fix mode in operand testing.
18930 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18932 * jump.c (jump_optimize_1): Amend last change to test only the
18933 form of the operand, not the insn.
18935 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18936 not register_operand to determine when B may need preloading.
18938 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18940 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18941 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18942 (call-value patterns): Move to end of file.
18943 (*): Remove mode from label_ref in (pc) context.
18944 (movstrqi): Use memory not general_operand for BLKmode operands.
18945 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18946 to register_operand operands.
18947 (peep2 patterns): Convert from commented-out peephole patterns.
18949 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18951 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18952 to BUILT_IN_INIT_DWARF_REG_SIZES.
18953 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18954 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18955 expand_builtin_init_dwarf_reg_sizes.
18956 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18957 with __builtin_init_dwarf_reg_size_table.
18958 * dwarf2out.c (struct reg_size_range): Delete.
18959 (expand_builtin_init_dwarf_reg_sizes): New function.
18960 (expand_builtin_dwarf_reg_size): Delete.
18961 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18962 (expand_builtin_dwarf_reg_size): Don't declare.
18963 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18964 (dwarf_reg_size_table): New.
18965 (init_reg_size_table): New function.
18966 (copy_reg): Use dwarf_reg_size_table.
18967 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18970 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18972 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18973 Correctly build argument list to constructor and destructor functions.
18975 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18977 * c-tree.h (warn_float_equal): Declare.
18978 * c-decl.c (warn_float_equal): Define.
18979 (c_decode_option): Recognize -W[no-]float-equal.
18980 * c-typeck.c (build_binary_op): Conditionally warn
18981 about equality tests of floating point types.
18982 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18983 * invoke.texi: Add docs for -Wfloat-equal warning.
18985 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18987 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18988 generating RTL directly.
18989 * mips.h (INIT_TARGET_OPTABS): Likewise.
18990 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18992 * expr.h (init_mov_optab): Delete declaration
18994 * h8300.c (WORD_REG_USED): Update to avoid useless register
18995 saves in interrupt functions and functions which never return.
18997 * cse.c (struct set): Delete inner_dest_loc field.
18998 (cse_insn): Remove assignments to inner_dest_loc field.
19000 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
19002 * ggc-page.c: Don't include <unistd.h> etc taken care of
19003 by "system.h". Include <sys/mman.h> afterward.
19005 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
19007 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
19010 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
19012 * xcoffout.c (xcoffout_declare_function): Add documentation.
19013 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
19014 TARGET_64BIT. Compare constant to -1, not bit pattern.
19015 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
19016 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
19019 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
19021 * dwarf2out.c (add_abstract_origin_attribute): Abort if
19022 origin_die is NULL.
19023 (gen_inlined_enumeration_type_die): Do not abort if the type has
19024 not been writeen out.
19025 (gen_inlined_structure_type_die): Do not abort if the type has
19026 not been writeen out.
19027 (gen_inlined_union_type_die): Do not abort if the type has
19028 not been writeen out.
19029 (gen_tagged_type_instantiation_die): Do not abort if the type
19030 has not been written out.
19032 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19034 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
19036 * reg-stack.c (straighten_stack): Copy hard reg set with
19039 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
19041 * builtins.c (stabilize_va_list): Stabilize array type va_list
19042 to a pointer type, not the base record type.
19043 (expand_builtin_va_copy): Dereference the pointers explicitly;
19044 use the correct size for the copy.
19046 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
19047 (rs6000_va_arg): Likewise.
19049 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
19051 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
19053 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
19055 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
19057 (DECL_BUILT_IN_CLASS): Adjust accordingly.
19059 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
19061 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
19062 (init_ggc): Use it instead of a constant.
19063 (ggc_collect): Bound allocated_last_gc by it.
19065 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
19067 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
19070 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
19072 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
19073 (mips*-*-openbsd*): Let big endian configuration be a fragment.
19074 * configure: Regen.
19075 * config/mips/openbsd.h: New, OpenBSD little endian target.
19076 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
19077 * config/mips/xm-openbsd.h: New, OpenBSD host.
19079 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
19081 * config/m68k/m68k.c (output_function_prologue,
19082 output_function_epilogue): Use
19083 current_function_uses_pic_offset_table instead of regs_ever_live
19084 to decide whether to save/restore pic register.
19085 (legitimize_pic_address): Don't modify regs_ever_live any more.
19087 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
19089 * function.h (struct function): Add x_dont_save_pending_sizes_p.
19090 * stor-layout.c (variable_size): Don't add sizes to the pending
19091 sizes list if x_dont_save_pending_sizes_p is set.
19093 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
19095 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
19096 for symbolic_operand().
19097 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
19099 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19101 * combine.c (gen_rtx_combine): Add missing call to va_end().
19103 * final.c (asm_fprintf): Likewise.
19105 * genattrtab.c (attr_rtx): Likewise.
19107 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
19109 * cse.c: Update comments.
19110 (cse_insn): When converting a conditional/computed jump into
19111 an unconditional jump, always make sure a BARRIER immediately
19112 follows the converted jump. Do not delete unreachable code.
19113 (cse_basic_block): Do not delete unreachable code.
19114 * toplev.c (rest_of_compilation): Move call to
19115 delete_trivially_dead_insns after the conditional call to
19118 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19120 * collect2.c (make_temp_file): Don't prototype.
19122 * gcc.c (make_temp_file): Likewise.
19124 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
19126 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
19128 * varasm.c (asm_emit_uninitialised): New function: Generate
19129 the assembler statements necessary to declare an uninitialised
19131 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
19133 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
19134 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
19136 (assemble_variable): Use asm_emit_uninitialised to emit an
19137 uninitialised variable.
19139 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
19141 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
19142 constant on a 64 bit host. Patch supplied by Geoffrey Keating
19143 <geoffk@cygnus.com>.
19145 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19147 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
19148 * c-common.h (builtin_function): Don't declare.
19150 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
19152 (pushdecl): Likewise.
19153 (finish_decl): Likewise.
19154 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
19155 int. All callers changed.
19156 Set the builtin's DECL_BUILT_IN_CLASS.
19157 * tree.h (enum built_in_class): New.
19158 (enum built_in_function): Delete NOT_BUILT_IN.
19159 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
19161 (DECL_SET_FUNCTION_CODE): Likewise.
19162 (DECL_BUILT_IN_CLASS): New macro.
19163 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
19164 (struct tree_decl): Split builtin function code field into a
19166 (builtin_function): Declare.
19168 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
19170 * optabs.c (init_traps): Fix typo in last change.
19172 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
19174 * toplev.c (rest_of_decl_compilation): Update comment.
19176 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19178 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
19179 in .sbss if appropriate.
19180 (EXTRA_SECTION_FUNCTIONS): Add sbss.
19181 (SBSS_SECTION_ASM_OP): New macro.
19182 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
19183 (EXTRA_SECTIONS): Add in_sbss.
19184 * config/mips/mips.h: Prototype sbss_section.
19186 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
19188 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
19191 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
19193 * optabs.c (init_traps): Register trap_rtx as a GC root.
19195 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19197 * config/mips/mips.c (function_arg_pass_by_reference): Define
19198 unconditionally, since it's called unconditionally.
19200 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19202 * toplev.c (documented_lang_options): Add -fshort-wchar.
19203 * c-decl.c (c_decode_option): Likewise.
19204 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
19206 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
19207 * gcc.c (default_compilers): If -fshort-wchar,
19208 override __WCHAR_TYPE__.
19209 * tm.texi (C Dialect Options): Add -fshort-wchar.
19211 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
19212 symbol for a variable.
19214 * cpplib.h (CPP_PREPROCESSED): New macro.
19215 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
19216 we're seeing this input for a second time.
19218 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
19220 * emit-rtl.c (init_emit_once): Initialize modes first.
19222 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
19224 * config/i386/i386.c (pic_label_name): Change to char pointer.
19225 (global_offset_table): New variable.
19226 (load_pic_register): Fill global_offset_table if it hasn't
19227 already been done. Allocate pic_label_name dynamically.
19228 * ggc.h (empty_string): New variable.
19229 * ggc-simple.c (empty_string): Likewise.
19230 (init_ggc): Allocate empty_string and add as root.
19231 * stmt.c (digit_strings): New variable.
19232 (init_stmt): Add last_block_end_note as root. Allocate and
19233 initialize digit_strings.
19234 (expand_asm_operands): Use empty_string instead of string
19235 constant. Use digit_strings instead of string constants.
19236 * profile.c (init_arc_profiler): Allocate string with
19237 ggc_alloc_string instead of xmalloc.
19238 (output_func_start_profiler): Likewise.
19239 * c-typeck.c (digest_init): Check if init is error_mark_node.
19241 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19242 Richard Henderson <rth@cygnus.com>
19244 * ggc-page.c: New file.
19245 * Makefile.in (ggc-page.o): New.
19247 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19249 * invoke.texi: Document -fdelete-null-pointer-checks
19250 * toplev.c (flag_delete_null_pointer_checks): New.
19251 (f_options): Add entry for -fdelete-null-pointer-checks.
19252 (rest_of_compilation): Conditionalize null pointer check
19253 elimination on flag_delete_null_pointer_checks.
19254 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19256 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19258 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19259 copyright notice and special exception to GPL.
19261 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19263 * abi64.h (mips_function_value): Add prototype arguments.
19265 * mips-protos.h: New file with mips prototypes.
19267 * mips.c: Include "tm_p.h".
19268 (mktemp, lookup_name): Add prototype arguments.
19269 (extern_list, string_constant, mips_fill_delay_slot,
19270 mips_output_external, mips_output_external_libcall,
19271 mips_output_filename, mips_declare_object, function_prologue,
19272 mips_expand_prologue, function_epilogue, mips16_constant,
19273 build_mips16_function_stub, mips_output_conditional_branch):
19275 (mips_va_start): Remove unused variable `u'.
19276 (mips_va_arg): Cast value to unsigned when comparing against one.
19278 (save_restore_insns, mips_expand_prologue): Add missing arg in
19279 call to `large_int'.
19281 * mips.h: Move prototypes to mips-protos.h.
19282 (data_section, memory_address_p, rdata_section,
19283 readonly_data_section, simple_epilogue_p, text_section): Delete
19284 prototypes delcared elsewhere.
19285 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19287 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19289 * mips.md: Delete extra args in call to `mips_move_2words'.
19291 * xm-iris6.h (alloca): Add prototype argument.
19293 * genpeep.c: Include "tm_p.h" in generated output file.
19295 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19297 * basic-block.h (find_edge_index): Change parameters.
19298 * flow.c (verify_edge_list): Pass basic_block parameters to
19299 find_edge_index instead of integers.
19301 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19303 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19306 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19308 * gcc.1: Fix a formatting error.
19310 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19312 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19313 i786, mn10200, mn10300, pdp11, v850.
19315 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19317 * libgcc2.c (num_digits): Add prototype with
19318 __attribute__((const)).
19319 (__terminate): Add prototype.
19321 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19323 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19325 * alpha/alpha.c (print_operand): Fix type of `code'.
19326 (alpha_output_filename): Constify.
19327 * alpha/alpha.h: Move all function declarations ...
19328 * alpha/alpha-protos.h: ... here. New file.
19329 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19330 (SECTION_FUNCTION_TEMPLATE): Likewise.
19332 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19334 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19335 * expr.c (expand_expr): Likewise.
19336 (do_jump): Likewise.
19337 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19338 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19340 (enum can_compare_purpose): New.
19341 (can_compare_p): Adjust prototype.
19342 (prepare_cmp_insn, prepare_operand): Declare.
19343 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19344 * optabs.c (cmp_available_p): Deleted.
19345 (expand_abs): Pass ccp_jump to can_compare_p.
19346 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19347 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19348 Call can_compare_p rather than cmp_available_p.
19349 (prepare_operand): No longer static.
19350 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19351 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19352 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19353 sequence to use emit_cmp_and_jump_insns.
19354 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19356 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19358 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19359 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19360 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19361 (plus (reg) (const_int 0))
19362 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19364 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19366 * rs6000.c (expand_block_move): DImode loads and stores require
19367 word-aligned displacements. Increment address registers with
19368 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19370 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19372 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19373 is no name for the base type, rather than segfault. If we are
19374 writing out a complex integer type, use DW_ATE_lo_user.
19376 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19377 in one word or less (complex char, complex short, or on 64 bit
19378 systems complex float) to/from a hard register, copy it through
19379 memory instead of dying in gen_{real,imag}part. If we have a
19380 short complex type, prevent inlining since it allocates stack
19383 * tree.c (build_complex_type): If we are writing dwarf2 output,
19384 generate a name for complex integer types.
19386 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19388 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19389 * flow.c (remove_edge): Remove extra whitespace.
19390 (remove_fake_edges): Fix comment.
19391 (add_noreturn_fake_exit_edges): Use the correct name.
19393 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19395 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19396 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19397 (clean): Depend on INTL_CLEAN.
19398 (maintainer-clean): Adjust.
19400 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19402 * configure.in (AC_PREREQ): Bump to 2.13.
19403 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19405 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19407 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19409 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19411 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19412 (HAVE_STRINGIZE): Define.
19414 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19416 * c-parse.in: save and restore warn_pointer_arith on __extension__
19417 along with pedantic.
19418 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19419 Set the type of extension to itype rather than $<itype>1 kludge.
19420 * extend.texi (Alternate Keywords): Adjust documentation.
19421 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19423 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19425 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19426 most assembler templates.
19428 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19429 FP loads and stores.
19430 (following_call): Always return zero for the PA8000.
19431 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19432 FP loads and stores.
19433 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19435 * pa.h (BRANCH_COST): Define.
19437 * pa.md (return, return_internal): Use bve for PA2.0.
19439 * pa.md (fused multiply): Add variants which reduce height for the
19440 fused multiply, but which still generate 2 insns.
19441 (fnegabs): Similarly.
19443 * pa.md (subsi3): Turn into an expander. Create two anonymous
19444 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19445 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19447 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19449 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19451 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19452 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19454 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19457 * flow.c (record_active_eh_regions): Terminate loop after finding
19458 the last insn in the last basic block.
19460 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19462 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19464 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19466 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19468 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19470 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19471 splitting to not use output template.
19473 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19475 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19476 * config/c4x/c4x.c (c4x_va_start): New function.
19478 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19480 * genrecog.c (not_both_true): Handle correctly cases when called for
19481 tests with different positions in the insn.
19483 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19485 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19487 * system.h (HOST_PTR_PRINTF): ... to here.
19489 * mips-tfile.c: Don't include machmode.h.
19491 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19492 (mips-tfile.o): Don't depend on machmode.h.
19494 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19496 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19497 avoid conflicts with typedef struct `region' at the top level scope.
19499 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19501 * basic-block.h (basic_block): Add eh_beg, eh_end.
19502 * flow.c (entry_exit_blocks): Update.
19503 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19504 Call new functions.
19505 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19506 lists.c functions to allocate insn lists.
19507 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19509 (make_eh_edge): ... here. New.
19510 (move_stray_eh_region_notes): New.
19511 (record_active_eh_regions): New.
19512 (delete_unreachable_blocks): Split out block merging ...
19513 (try_merge_blocks): ... here. New.
19514 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19515 Dump debugging data.
19516 (merge_blocks_move_successor_nojumps): Likewise.
19517 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19519 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19521 * extend.texi (Bound member functions): Document unbound pmf
19524 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19526 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19527 has the EXIT_BLOCK as a dest.
19529 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19531 * flow.c (remove_edge): New function to remove an edge from the
19533 (remove_fake_successors): New function to remove fake successor edges.
19534 (remove_fake_edges): New function to remove all fake edges from the
19536 (add_fake_exit_edges): New function to add fake edges from all blocks
19537 with no successors to the exit block.
19538 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19539 prototypes for new functions.
19541 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19543 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19544 Use Pmode to determine whether to output .dword or .word.
19546 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19548 * tree.c (built_in_filename): New variable.
19549 (BUILT_IN_FILENAME): New macro.
19550 (init_tree_codes): Allocate built_in_filename.
19551 (make_node): Use built_in_filename instead of string constant.
19553 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19555 * configure.in: Add fr30 target.
19556 * configure: Regenerate.
19557 * config/fr30: New directory.
19558 * config/fr30/crti.asm: New file.
19559 * config/fr30/fr30.c: New file.
19560 * config/fr30/crtn.asm: New file.
19561 * config/fr30/fr30.h: New file.
19562 * config/fr30/fr30.md: New file.
19563 * config/fr30/lib1funcs.asm: New file.
19564 * config/fr30/t-fr30: New file.
19565 * config/fr30/xm-fr30.h: New file.
19567 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19569 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19570 BARRIER at the end of the successor, not the BARRIER before
19573 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19575 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19577 * stmt.c (any_pending_cleanups): Don't crash when
19578 current_function->stmt is unset.
19580 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19582 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19583 other initializations that may use it for relative offsets.
19585 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19587 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19588 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19589 * config/i386/sol2dbg.h: Removed.
19590 * config/i386/sol2gas.h: New file, to enable gas work-around.
19591 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19592 Don't use sol2dbg.h.
19593 * configure: Rebuilt.
19595 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19597 * invoke.texi (-fthis-is-variable): Remove documentation.
19599 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19601 * basic-block.h (compute_bb_for_insn): Declare.
19602 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19603 to use; set size of basic_block_for_insn directly.
19604 (find_basic_blocks): Update.
19606 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19608 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19610 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19612 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19613 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19615 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19617 * c-decl.c (c_decode_option): Extend comment.
19619 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19621 * toplev.c (progname): Make 'const char *'
19622 (flag_print_mem): Move out of main.
19623 (version_flag): Move out of main.
19624 (filename): Move out of main.
19625 (debug_args): Remove g prefix from options.
19626 (documented_lang_options): Remove cpplib specific options.
19627 (display_help): Add g prefix to debug options.
19628 (check_lang_option): Delete this function.
19629 (decode_d_option): New function: Decode -d... option.
19630 (decode_f_option): New function: Decode -f... option.
19631 (decode_W_option): New function: Decode -W... option.
19632 (decode_g_option): New function: Decode -g... option.
19633 (independent_decode_option): New function: Decode a language
19634 independent command line option.
19635 (main): Invoke lang_decode_option and then
19636 independent_decode_option on each command line option in
19639 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19641 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19642 * fold-const.c (fold_range_test): Do not try to fold the range
19643 test if the rhs or lhs has side effects.
19645 * basic-block.h (compute_flow_dominators): Declare.
19647 * gcse.c (alloc_code_hoist_mem): New function.
19648 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19649 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19650 (hoist_code, one_code_hoisting_pass): Likewise.
19651 (gcse_main): If optimizing for size, then hoist expressions
19652 computed in multiple dominated basic blocks.
19654 * gcse.c (invalid_nonnull_info): New function.
19655 (delete_null_pointer_checks): Likewise.
19656 * rtl.h (delete_null_pointer_checks): Declare.
19657 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19659 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19660 (merge-blocks_move_successor_nojumps): Likewise.
19661 (merge_blocks): Allow merging of some blocks, even if it requires
19662 physical movement of the blocks, but not if it requires new jumps.
19664 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19665 Callers and prototype changed.
19666 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19668 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19670 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19671 -YP when both -p and -pg are present. From i386/sol2.h.
19673 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19675 * Makefile.in (distclean): Delete tm_p.h.
19676 * configure.in: Create a new file, "tm_p.h", from a list in
19677 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19678 "i386/i386-protos.h".
19680 * alias.c: Include "tm_p.h".
19681 * c-typeck.c: Likewise.
19682 * calls.c: Likewise.
19684 * emit-rtl.c: Likewise.
19685 * explow.c: Likewise.
19686 * expmed.c: Likewise.
19687 * expr.c: Likewise.
19688 * final.c: Likewise.
19689 * flow.c: Likewise.
19690 * fold-const.c: Likewise.
19691 * function.c: Likewise.
19692 * gcse.c: Likewise.
19693 * global.c: Likewise.
19694 * haifa-sched.c: Likewise.
19695 * integrate.c: Likewise.
19696 * jump.c: Likewise.
19697 * local-alloc.c: Likewise.
19698 * loop.c: Likewise.
19699 * optabs.c: Likewise.
19700 * recog.c: Likewise.
19701 * reg-stack.c: Likewise.
19702 * regclass.c: Likewise.
19703 * regmove.c: Likewise.
19704 * reload.c: Likewise.
19705 * reload1.c: Likewise.
19706 * reorg.c: Likewise.
19707 * resource.c: Likewise.
19708 * stmt.c: Likewise.
19709 * stor-layout.c: Likewise.
19710 * toplev.c: Likewise.
19711 * tree.c: Likewise.
19712 * unroll.c: Likewise.
19713 * genattrtab.c (main): Make generated file include "tm_p.h".
19714 * genemit.c (main): Likewise.
19715 * genoutput.c (main): Likewise.
19716 * genrecog.c (main): Likewise.
19718 * i386.h: Delete all prototypes.
19719 * i386.c: Include "tm_p.h".
19720 (ix86_attr_length_default): Call constant_call_address_operand
19721 with correct number of arguments.
19722 * i386-protos.h: New file.
19723 * i386.md (unnamed patterns): Call constant_call_address_operand
19724 with correct number of arguments.
19725 (exception_receiver): Call load_pic_register with correct number
19728 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19730 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19732 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19734 * rtl.h (insns_safe_to_move_p): New function.
19735 * loop.c (find_and_verify_loops): Use it.
19736 * rtlanal.c (insns_safe_to_move_p): Define it.
19738 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19740 * c-pragma.c: Include ggc.h.
19741 * Makefile.in (c-pragma.o): Update.
19743 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19745 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19746 (LIB_SPEC): Likewise.
19747 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19748 Reindent -YP/-p/-pg.
19749 Copied from config/sparc/sol2.h.
19751 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19753 * c-pragma.c (mark_align_stack): New.
19754 (init_pragma): New.
19755 * c-pragma.h (init_pragma): Declare it.
19756 * c-lex.c (init_parse): Call it.
19758 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19760 * configure.in: Pick up thread library on Solaris/x86 just
19761 like on Solaris/sparc.
19762 * configure: Rebuilt.
19764 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19766 * rtl.h (global_rtx_index): New enum.
19767 (global_rtl): Change to array of rtx.
19768 (pc_rtx, cc0_rtx): Redefine accordingly.
19769 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19770 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19771 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19772 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19773 (const_int_rtx): Change to array of rtx.
19774 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19776 * emit-rtl.c (global_rtl): Change to array of rtx.
19777 (const_int_rtx): Change to aray of rtx.
19778 (gen_rtx_CONST_INT): Redefine accordingly.
19779 (init_emit_once): Allocate and initialize global_rtl. Likewise
19780 for const_int_rtx. Add both as GC roots.
19781 * genattrtab.c (global_rtl): Update declaration.
19783 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19785 * Makefile (USER_H): Add iso646.h back.
19787 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19789 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19790 zapping the LOG_LINKS of sched_before_next_call.
19792 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19793 * pa.c (insn_refs_are_delayed): Renamed from
19794 insn_sets_and_refs_are_delayed.
19796 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19798 * functiion.h (struct function): Add x_whole_function_mode_p.
19799 (retrofit_block): Declare.
19800 * function.c (retrofit_block): New function.
19801 (identify_blocks): Add assertions. Allow an incomplete set of
19802 block notes if we're still generating code for the function.
19803 * integrate.c: Include loop.h.
19804 (expand_inline_function): Call find_loop_tree_blocks to map block
19805 notes to blocks when in whole-function mode. Use retrofit_block
19806 to insert new BLOCKs for the inlined function, rather than
19808 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19809 * Makefile.in (integrate.o): Depend on loop.h.
19811 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19813 * tree.h (warn_about_unused_variables): Declare.
19814 * stmt.c (warn_about_unused_variables): New function, split out
19816 (expand_end_bindings): Here.
19818 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19820 * stmt.c (preserve_subexpressions_p): Don't crash when
19821 current_function->stmt is unset.
19823 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19825 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19826 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19827 (expand_start_target_temps): Use it.
19828 * except.c (expand_eh_region_start_for_decl): Likewise.
19829 * expr.c (expand_expr): Likewise.
19831 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19833 * fold-const.c (operand_equal_p): Pay attention to side effects.
19835 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19837 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19838 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19840 * tlink.c (scan_linker_output): Look for keywords before accepting
19841 a mangled name in quotes.
19843 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19845 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19846 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19848 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19850 * alpha.md: Revert Thu Nov 26 change that came in through the
19851 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19852 Avoid earlyclobber when possible.
19854 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19856 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19858 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19859 Define HAVE_ON_EXIT.
19861 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19863 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19864 CTYPE_CONV in all ctype macros.
19866 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19869 * cexp.y (initialize_random_junk): Likewise.
19871 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19873 * i370.c (handle_pragma): Likewise.
19875 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19877 * v850.c (override_options): Likewise.
19879 * doprint.c (_doprnt): Likewise.
19881 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19884 * fixinc/server.c (load_data): Likewise.
19886 * fold-const.c (real_hex_to_f): Likewise.
19888 * genattr.c (write_upcase, gen_attr): Likewise.
19890 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19891 write_upcase): Likewise.
19893 * genemit.c (print_code): Likewise.
19895 * genopinit.c (gen_insn): Likewise.
19897 * genpeep.c (print_code): Likewise.
19899 * genrecog.c (print_code): Likewise.
19901 * optabs.c (init_libfuncs): Likewise.
19903 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19905 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19907 (reemit_notes): Likewise.
19909 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19911 * ggc.h (ggc_root): Move to ggc-common.c.
19913 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19914 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19915 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19916 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19917 * ggc-common.c (ggc_root): Move from ggc.h.
19918 (roots): Declare, static.
19919 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19920 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19921 null or check/set mark bit.
19922 (ggc_mark_roots): New.
19923 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19925 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19927 * m32r.c: Include toplev.h.
19928 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19929 (gen_compare): Rename swap_p to must_swap to match uses.
19930 Add default abort case.
19931 (m32r_output_function_epilogue): Remove unused variables.
19932 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19933 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19934 define to empty parameter list. Update all uses.
19935 (predicate decls): Use enum machine_mode not int.
19936 * m32r.md (movsi): Call abort, not fatal_insn.
19937 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19939 1999-09-14 Andrew Haley <aph@cygnus.com>
19941 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19942 use $0 instead of 0.
19944 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19946 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19947 computation out of loop over hard regs.
19949 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19951 * function.c (identify_blocks): Don't shadow a variable in an
19953 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19954 pushdecl, or poplevel to build up the new BLOCK tree.
19955 (expand_inline_function): Likewise.
19956 (integrate_parm_decls): Likewise.
19958 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19960 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19962 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19964 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19965 * invoke.texi: Document this change.
19967 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19969 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19971 (mark_emit_status): Renamed from mark_emit_state.
19972 * except.c (mark_eh_status): Renamed from mark_eh_state.
19973 Check not null before marking.
19974 (free_eh_status): New.
19975 * expr.c (mark_expr_status, free_expr_status): New.
19976 * function.c (free_machine_status): New.
19977 (free_after_parsing): New.
19978 (free_after_compilation): Move bits to free_after_parsing; call
19979 free_eh_status, free_expr_status; zero the marked members of the
19981 (prepare_function_start): No can_garbage_collect.
19982 Call init_eh_for_function.
19983 (expand_dummy_function_end): Free up current_function state.
19984 (mark_function_status): Renamed from mark_function_state.
19985 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19986 * function.h (struct function): No can_garbage_collect.
19987 (free_machine_status, free_after_parsing): Declare.
19988 (free_eh_status, free_expr_status): Declare.
19989 * ggc.h (mark_expr_status): Declare.
19990 * stmt.c (free_stmt_status): Free the struct.
19991 (mark_stmt_status): Renamed from mark_stmt_state.
19992 (init_stmt): Don't call init_eh.
19993 (init_stmt_for_function): Don't call init_eh_for_function.
19994 * toplev.c (compile_file): Call init_eh.
19995 (rest_of_compilation): Free basic block info before ggc_collect.
19996 Call free_after_parsing; conditionally call free_after_compilation.
19997 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19998 Check not null before marking.
19999 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
20001 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
20003 * c-lex.c (yylex): Initialize warn.
20005 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
20007 * pa.c (emit_move_sequence): Properly set the mode of the scratch
20008 register when performing secondary reloads for the SAR register.
20010 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
20012 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
20013 (NOTE_BLOCK): New macro.
20014 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
20015 * function.h (identify_blocks): Change prototype.
20016 * function.c (identify_blocks): Simplify.
20017 (reorder_blocks): Likewise.
20018 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
20019 NOTE_INSN_BLOCK_{BEG,END}.
20020 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
20021 the list of saved notes if the note isn't a
20022 NOTE_INSN_BLOCK_{BEG,END}.
20023 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
20025 (reemit_notes): Adjust recreation of notes to reflect new saved
20027 * print-rtl.c (print_rtx): Print the address of the BLOCK when
20028 printing a block note.
20029 * stmt.c (block_vector): Remove.
20030 (find_loop_tree_blocks): Simplify.
20031 (unroll_block_trees): Likewise.
20032 * tree.h (reorder_block): Change prototype.
20034 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
20036 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
20037 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
20038 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
20039 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
20040 (atexit, exit): Simplify.
20041 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
20042 * config/lots: Remove defns of HAVE_ATEXIT.
20044 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
20046 * calls.c (precompute_arguments): Fix typo in comment.
20047 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
20050 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
20052 * dsp16xx.c (override_options): Fix typos in GC root registration.
20054 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
20056 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
20057 from config/svr4.h.
20058 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
20059 (FUNCTION_PROFILER): Redefine appropriately for Linux.
20060 (CC1_SPEC): Likewise.
20062 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20064 * genattr.c (main): Add extern prototype. Call return, not exit.
20065 * genattrtab.c (main): Likewise.
20066 * gencheck.c (main): Likewise.
20067 * gencodes.c (main): Likewise.
20068 * genconfig.c (main): Likewise.
20069 * genemit.c (main): Likewise.
20070 * genextract.c (main): Likewise.
20071 * genflags.c (main): Likewise.
20072 * gengenrtl.c (main): Likewise.
20073 * genopinit.c (main): Likewise.
20074 * genoutput.c (main): Likewise.
20075 * genpeep.c (main): Likewise.
20076 * genrecog.c (main): Likewise.
20078 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
20079 * genattrtab.c (get_insn_name): Likewise.
20080 * gencodes.c (get_insn_name): Likewise.
20081 * genconfig.c (get_insn_name): Likewise.
20082 * genemit.c (get_insn_name): Likewise.
20083 * genextract.c (get_insn_name): Likewise.
20084 * genflags.c (get_insn_name): Likewise.
20085 * genopinit.c (get_insn_name): Likewise.
20086 * genpeep.c (get_insn_name): Likewise.
20088 * gencheck.c (usage): Add static prototype.
20089 * genextract.c (print_path): Constify a char*.
20090 * genopinit.c (optabs): Likewise.
20091 * genoutput.c (operand_data, data, output_predicate_decls,
20092 compare_operands): Likewise.
20093 * genrecog.c (write_tree): Add default case in switch.
20095 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20097 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
20099 * print-rtl.c (get_insn_name): Remove prototype.
20101 * toplev.h (progname): Declare const.
20103 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
20104 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
20105 dump_sched_info, dump_local_alloc, regset_release_memory,
20106 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
20107 error_with_file_and_line, error_with_decl, error_for_asm, error,
20108 fatal, warning_with_file_and_line, warning_with_decl, warning,
20109 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
20110 Remove redundant prototypes.
20112 (notice, check_lang_option, report_file_and_line, vnotice,
20113 mark_file_stack): Add static prototype.
20114 (set_fatal_function): Add prototype.
20115 (vnotice, report_file_and_line, set_fatal_function,
20116 check_lang_option): Constify a char*.
20117 (main): Prototype. Call return, not exit.
20119 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20121 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
20123 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
20125 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
20127 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
20129 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20131 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
20132 behave as if it's zero in all cases.
20133 (expand_function_start): Adjust call to assign_parms.
20134 * tree.h (assign_parms): Adjust prototype.
20135 * objc/objc-act.c (hack_method_prototype): Adjust call to
20138 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
20140 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
20141 arg_pointer_rtx fixed if the argument pointer register is
20143 (NONZERO_BASE_PLUS_P): Likewise.
20145 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
20147 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
20148 match_insn2 to match_insn.
20149 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
20151 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
20153 * Makefile.in (USER_H): Remove va-foo.h.
20155 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
20156 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
20157 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
20158 va-spur.h,va-v850.h}: Remove.
20160 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
20162 * sparc/sparc.md (eligible_for_return_delay): New attribute.
20163 (in_return_delay): Use it instead of match_insn.
20165 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20167 * config/alpha/va_list.h (va-alpha.h): Do not include.
20168 (__gnuc_va_list): Typedef as in varargs.h.
20170 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
20172 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
20173 DECL_LIVE_RANGE_RTL.
20175 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
20177 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
20178 not NOTE_BLOCK_NUMBER.
20179 (expand_eh_region_end): Likewise.
20180 (find_exception_handler_labels): Likewise.
20181 (scan_region): Likewise.
20182 (exception_optimize): Likewise.
20183 (update_rethrow_references): Likewise.
20184 (set_insn_eh_region): Likewise.
20185 * final.c (final_scan_insn): Likewise.
20186 * flow.c (make_edges): Likewise.
20187 * integrate.c (expand_inline_function): Likewise.
20188 * print-rtl.c (print_rtx): Likewise.
20190 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
20192 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
20193 terms of builtin functions and types.
20195 * mips.c (mips_build_va_list): New.
20196 (mips_va_start, mips_va_arg): New.
20197 * mips.h (BUILD_VA_LIST_TYPE): New.
20198 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20200 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
20201 (sh_build_va_list, sh_va_start, sh_va_arg): New.
20202 * sh.h (BUILD_VA_LIST_TYPE): New.
20203 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20205 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
20207 * recog.h (struct recog_data): Make dup_num, operand_address_p,
20208 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
20209 (struct insn_data): Likewise with n_operands, n_dups,
20210 n_alternatives, output_format.
20211 * regclass.c (scan_one_insn): Cast n_operands to int before
20212 arithmetic inside comparison.
20214 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
20216 * toplev.c (compile_function): Unconditionally emit nop.
20218 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20220 * haifa-sched.c (actual_hazard): Move declaration of variable
20221 `this_cost' into the scope where it is used.
20223 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20225 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
20226 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
20227 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
20229 * genrecog.c (make_insn_sequence): Call memset, not bzero.
20231 * jump.c (find_insert_position): Don't declare or define unless
20232 !HAVE_conditional_arithmetic.
20233 (returnjump_p_1, delete_prior_computation): Add static prototypes.
20235 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20237 * recog.c (offsettable_address_p): Prototype function pointer.
20238 (preprocess_constraints): Call memset, not bzero.
20240 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20241 (gcc_obstack_init): Don't declare.
20242 (fix_sizetype): Add static prototype.
20243 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20244 (tree_cons): Call memset, not bzero.
20246 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20247 definition in macro ASM_WEAKEN_LABEL.
20248 (mark_const_hash_entry): Add static prototype.
20250 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20252 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20254 * unroll.c (find_common_reg_term, subtract_reg_term,
20255 loop_find_equiv_value): Add static prototypes.
20256 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20257 (copy_loop_body): Remove unreachable break statement.
20259 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20261 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20263 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20265 Undo some changes from the gcc2 merge:
20266 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20267 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20271 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20272 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20273 initialized float-int union if the value is a NaN.
20275 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20277 * gthr-win32.h: New file.
20279 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20280 shared as a valid attribute.
20281 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20282 * extend.texi: Document `shared' variable attribute.
20284 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20286 * configure.in: Handle --enable-threads on FreeBSD.
20287 * configure: Rebuit.
20289 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20291 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20293 * configure: Rebuilt.
20295 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20296 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20297 Rosimildo DaSilva <rdasilva@connecttel.com>
20299 * configure.in (m68k-*-rtemscoff*): Added.
20300 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20301 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20302 sparc-rtems configuration.
20303 * configure.in (sparc-*-rtemself*): Added.
20304 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20305 * config/i386/rtems.h: Added comment.
20306 * config/sparc/rtemself.h: New file.
20308 * configure.in (m68k-rtemself): Added.
20309 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20310 and DWARF_DEBUGGING_INFO.
20311 * config/m68k/crti.s: New file.
20312 * config/m68k/crtn.s: New file.
20313 * config/m68k/t-crtstuff: New file.
20314 * config/m68k/rtemself.h: New file.
20316 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20317 global ctor/dtor and C++ exception handling.
20318 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20319 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20321 * config/i386/t-rtems-i386: New File.
20323 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20325 * stmt.c (expand_end_case): Return right away if the case stack is
20328 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20330 * Makefile.in (version.c): Remove rule incorrectly brought in from
20333 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20335 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20336 * msdos/top.sed: Take into account a prepended $(SHELL) to
20338 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20340 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20342 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20344 * regmove.c (fixup_match_1): Don't change an unchanging register.
20345 (stable_but_for_p): Renamed to:
20346 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20347 Changed all callers.
20349 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20351 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20352 insn from BL2 is after the insn from BL.
20354 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20356 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20357 (struct insn_data): Merge `template' and `outfun' into `output'.
20358 Add `output_format'.
20359 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20360 (struct data): Remove `outfun'; add `output_format'.
20361 (name_for_index): Remove declaration.
20362 (output_insn_data): Handle output formats.
20363 (process_template): Emit the bare array for @.
20364 (gen_expand, gen_split): Set output_format to NONE.
20365 * output.h (get_insn_template): Declare.
20366 * final.c (get_insn_template): New.
20367 (final_scan_insn): Use it.
20368 * toplev.c (compile_file): Likewise.
20370 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20371 * i860/i860.c (output_delayed_branch): Likewise.
20372 (output_delay_insn): Likewise.
20374 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20376 * rtl.c (obstack_alloc_rtx): Removed.
20378 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20380 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20382 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20384 * i386.c (call_insn_operand): Reject const_int.
20385 (expander_call_insn_operand): Use call_insn_operand.
20387 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20389 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20391 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20393 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20394 Use DImode operation.
20396 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20398 * gcc.c: Include sys/resource.h.
20399 (report_times): New flag.
20400 (execute): If report_times is set, calculate and report the
20401 CPU time consumed by each subprocess.
20403 (rus, prus): New globals.
20404 (option_map): Add --time.
20405 (display_help): Document -time.
20406 (process_command): Set report_times if -time is given.
20407 Turn off -pipe if -time is given.
20409 * invoke.texi: Document new option -time.
20411 * configure.in: Check for getrusage. Check if we have to
20412 prototype getrusage.
20413 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20414 * configure: Regenerate.
20415 * config.in: Regenerate.
20417 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20419 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20422 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20424 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20425 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20426 (nan): Return _thenan_sf or _thenan_df as appropriate.
20427 (L_thenan_sf): Define _thenan_sf.
20428 (L_thenan_df): Define _thenan_df.
20430 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20431 (DPBIT_FUNCS): Add _thenan_df.
20433 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20435 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20438 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20440 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20443 (lang_specific_driver): Don't take a function pointer parameter.
20444 All callers changed.
20446 * gcc.c: Include gcc.h.
20447 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20448 lang_specific_extra_outfiles, fatal): Don't declare.
20449 (multilib_defaults_raw): Constify.
20450 (read_specs): Call memset, rather than bzero.
20451 (main): Call return, not exit.
20452 (lookup_compiler): Call memcpy, not bcopy.
20453 (fatal): Make extern.
20455 * cppspec.c: Include gcc.h.
20456 (lang_specific_driver): Initialize variable `quote'. Constify a
20457 char*. All calls to the function pointer parameter now
20458 explicitly call `fatal'.
20460 * gccspec.c (lang_specific_driver): Include gcc.h.
20462 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20464 * arm.c (note_invalid_constants): Use recog_data.operand_type
20467 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20469 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20472 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20473 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20474 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20475 reload_secondary_in_reload, reload_secondary_out_reload,
20476 reload_secondary_in_icode, reload_secondary_out_icode,
20477 reload_reg_rtx, reload_when_needed): Delete declarations.
20478 (struct reload): New structure.
20479 (rld): Declare new array.
20480 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20481 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20482 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20483 reload_secondary_in_reload, reload_secondary_out_reload,
20484 reload_secondary_in_icode, reload_secondary_out_icode,
20485 reload_reg_rtx, reload_when_needed): Delete definitions.
20487 (whole file): Replace uses of the deleted arrays with uses of rld.
20488 * reload1.c (whole file): Replace uses of the deleted arrays with
20490 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20491 explicit loops, not with bcopy.
20493 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20495 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20496 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20497 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20498 insn_name): Delete and consolidate into new structures.
20499 (insn_operand_predicate_fn): New.
20500 (insn_output_fn): New.
20501 (insn_gen_fn): New.
20502 (struct insn_operand_data): New.
20503 (struct insn_data): New.
20505 (OUT_FCN): Update for insn_data change.
20506 * builtins.c (expand_builtin_strlen): Likewise.
20507 (expand_builtin_memcmp): Likewise.
20508 * combine.c (make_extraction, simplify_comparison): Likewise.
20509 * cse.c (canon_reg, cse_insn): Likewise.
20510 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20511 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20512 (emit_store_flag): Likewise.
20513 * expr.c (convert_move, emit_block_move): Likewise.
20514 (clear_storage, emit_push_insn, expand_increment): Likewise.
20515 (do_store_flag): Likewise.
20516 * expr.h (GEN_FCN): Likewise.
20517 (insn_gen_function): Die.
20518 * final.c (final_scan_insn): Update for insn_data change.
20519 (output_asm_name): Likewise.
20520 * function.c (fixup_var_refs_1): Likewise.
20521 * loop.c (check_dbra_loop): Likewise.
20522 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20523 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20524 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20525 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20526 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20527 * regmove.c (gen_add3_insn): Likewise.
20528 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20529 (find_reloads, find_reloads_address_1): Likewise.
20530 (debug_reload_to_stream): Likewise.
20531 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20532 * stmt.c (expand_end_case): Likewise.
20533 * toplev.c (compile_file): Likewise.
20535 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20536 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20538 * print-rtl.c (insn_name_ptr): Remove declaration.
20539 (get_insn_name): Declare.
20540 (print_rtx): Use it.
20541 * genoutput.c (insn_name_ptr): Remove.
20542 (next_operand_number): New.
20543 (struct operand_data): New.
20544 (null_operand, odata, odata_end): New.
20545 (struct data): Use struct operand_data.
20546 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20547 (get_insn_name): Renamed from name_for_index.
20548 (output_prologue): Define NO_MD_PROTOTYPES.
20549 (output_predicate_decls): Break out from output_epilogue.
20550 Iterate over the operands list.
20551 (output_operand_data): Break out from output_epilogue. Emit
20552 just the operands list.
20553 (output_insn_data): Break out from output_epilogue. Emit just
20555 (output_epilogue): Remove.
20556 (output_get_insn_name): New.
20557 (constraints, op_n_alternatives, predicates, address_p): Die.
20558 (modes, strict_low, seen): Die.
20559 (scan_operands): Take new param `d' instead of writing to
20560 seven global variables.
20561 (compare_operands): New.
20562 (place_operands): New.
20563 (validate_insn_alternatives): Update for struct data change.
20564 (gen_insn): Don't zero or copy 7 global arrays. Update for
20565 scan_operands; call place_operands.
20566 (gen_peephole, gen_expand, gen_split): Likewise.
20567 (main): Update for new output routines.
20569 * genattr.c (insn_name_ptr): Remove.
20570 (get_insn_name): New function.
20571 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20572 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20573 * genrecog.c: Likewise.
20575 * alpha.md (adddi3): Make `pattern' array static.
20577 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20579 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20580 c4x_cpu_version_string): Constify char *.
20581 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20582 c4x_cpu_version_string): Likewise.
20584 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20586 * tree.c (save_tree_status): Revert 10 Sep change.
20587 (restore_tree_status): Likewise. Call obstack_free with NULL
20588 before freeing the obstack proper.
20590 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20592 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20594 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20595 surrounding context.
20597 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20599 * tree.c (type_hash_canon): Put all types in the hash-table, when
20602 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20604 * recog.h (struct recog_data, recog_data): New.
20605 (recog_foo variables): Kill.
20606 * recog.c (recog_operand, recog_operand_loc): Kill.
20607 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20608 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20609 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20610 (recog_data): Define.
20611 (extract_insn): Update all recog_foo references to use recog_data.
20612 (preprocess_constraints, constrain_operands): Likewise.
20613 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20614 * genattrtab.c (main): Likewise.
20615 * genextract.c (main): Likewise.
20616 * genoutput.c: Likewise.
20617 * genrecog.c (write_subroutine, main): Likewise.
20618 * local-alloc.c (block_alloc): Likewise.
20619 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20620 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20621 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20622 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20623 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20624 (reload_cse_simplify_operands): Likewise.
20626 * arc/arc.c (arc_final_prescan_insn): Likewise.
20627 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20628 * h8300/h8300.c (notice_update_cc): Likewise.
20629 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20630 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20631 * mn10200/mn10200.c (notice_update_cc): Likewise.
20632 * mn10300/mn10300.c (notice_update_cc): Likewise.
20633 * romp/romp.c (update_cc): Likewise.
20634 * sparc/sparc.c (check_pic): Likewise.
20635 * v850/v850.c (notice_update_cc): Likewise.
20637 * genemit.c (main): Don't declare recog_operand.
20639 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20641 * ggc.h (rtvec_def): Forward declare.
20642 (tree_node): Likewise.
20643 (ggc_root): Define.
20645 (ggc_set_mark_rtx): Add prototype.
20646 (ggc_set_mark_rtvec): Likewise.
20647 (ggc_set_mark_tree): Likewise.
20648 * ggc-simple.c (ggc_root): Don't define.
20649 (roots): Don't declare.
20650 (ggc_mark_rtx): Remove.
20651 (ggc_mark_rtvec): Likewise.
20652 (ggc_mark_tree): Likewise.
20653 (ggc_mark_varray): Likewise.
20654 (ggc_mark_tree_hash_table_entry): Likewise.
20655 (ggc_mark_tree_hash_table): Likewise.
20656 (ggc_set_mart_rtx): New function.
20657 (ggc_set_mark_rtvec): Likewise.
20658 (ggc_set_mark_tree): Likewise.
20659 (ggc_add_root): Remove.
20660 (ggc_add_rtx_root): Likewise.
20661 (ggc_remove_tree_root): Likewise.
20662 (ggc_add_string_root): Likewise.
20663 (ggc_add_tree_varray_root): Likewise.
20664 (ggc_add_tree_hash_table_root): Likewise.
20665 (ggc_del_root): Likewise.
20666 (ggc_mark_rtx_ptr): Likewise.
20667 (ggc_mark_tree_ptr): Likewise.
20668 (ggc_mark_string_ptr): Likewise.
20669 (ggc_mark_tree_varray_ptr): Likewise.
20670 (ggc_mark_tree_hash_table_ptr): Likewise.
20671 * ggc-common.c: New file.
20672 * Makefile.in (OBJS): Add ggc-common.o.
20673 (ggc-common.o): List dependencies.
20675 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20677 * cppalloc.c (xstrdup): Use memcpy.
20678 * cpperror.c (cpp_print_containing_files): Don't use
20680 * cpplib.c (conditional_skip): Set temp->lineno.
20681 (do_endif): Make error message less obscure.
20682 (if_directive_name): New function.
20683 (cpp_get_token [case EOF]): Unwind the if stack and generate
20684 error messages for each unterminated conditional in this file.
20685 (parse_string): Do not behave differently if -traditional.
20687 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20689 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20690 va_list decomposing to pointer-type.
20691 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20692 (rs6000_va_arg): Likewise.
20694 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20696 * except.c (start_dynamic_handler): Compute size using
20697 STACK_SAVEAREA_MODE.
20699 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20701 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20702 include directory headers. Don't define strrchr. Don't provide
20703 my_* replacement functions. Prefer PTR over `pointer_type'.
20704 Don't prototype system functions. Don't redefine getopt.
20706 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20707 safe_read, safe_write, save_pointers, restore_pointers,
20708 is_id_char, in_system_include_dir, directory_specified_p,
20709 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20710 find_corresponding_lparen, referenced_file_is_newer,
20711 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20712 process_aux_info_file, identify_lineno, check_source,
20713 seek_to_line, forward_to_next_token_char, output_bytes,
20714 output_string, output_up_to, other_variable_style_function,
20715 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20716 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20717 find_static_definition, connect_defs_and_decs, add_local_decl,
20718 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20719 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20720 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20721 scan_for_missed_items, edit_file, string_list_cons): Add static
20723 (standard_exec_prefix, target_machine, target_version,
20724 default_syscalls_dir, string_list, string_list_cons, find_file,
20725 do_cleaning): Constify a char*.
20726 (safe_read, safe_write): Use PTR, not a char*.
20727 (is_id_char): Take an int, not a char.
20728 (main): Add prototype. Call return, not exit.
20730 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20732 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20733 when comparing types.
20735 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20737 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20738 (strength_reduce): Release the varrays from the no-bivs early exit.
20740 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20741 the loop over the registers.
20743 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20745 (restore_tree_status): Check that instead when freeing the obstack.
20747 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20749 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20752 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20754 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20755 operand size modifiers.
20757 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20759 * c-common.c (c_common_nodes_and_builtins): Don't build
20761 * c-common.h (enum c_tree_index and related accesor macros): Remove
20762 everything now declared in tree.h.
20763 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20764 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20765 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20766 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20767 unsigned_type_node, ptr_type_node, va_list_type_node,
20768 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20769 (init_decl_processing): Call build_common_tree_nodes and
20770 build_common_tree_nodes_2 instead of building their nodes here.
20771 Don't add roots for these nodes.
20772 * stor-layout.c (size_zero_node, size_one_node): Delete.
20773 (set_sizetype): Make a new node for bitsizetype each time.
20774 * tree.c (global_trees): New variable.
20775 (init_obstacks): Add a gc root for it.
20776 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20777 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20778 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20779 (build_common_tree_nodes): New function.
20780 (fix_sizetype): New function.
20781 (build_common_tree_nodes_2): New function.
20782 * tree.h (enum tree_index): New.
20783 (global_trees): Declare.
20784 Add accessor macros for all nodes now moved to global_trees.
20785 Delete their declarations.
20787 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20789 * c-decl.c (finish_function): When processing a nested function,
20790 push and pop GC context around rest_of_compilation.
20792 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20794 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20795 Default ix86_arch to PROCESSOR_I386.
20796 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20797 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20798 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20799 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20800 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20801 (EXTRA_SPECS): Remove deleted specs.
20803 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20805 * function.c (assign_stack_local_1): Allocate from
20806 function->x_frame_offset, not frame_offset.
20808 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20810 * ggc.h (lang_cleanup_tree): Remove.
20811 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20812 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20814 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20815 TYPE_LANG_SPECIFIC when garbage collecting.
20816 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20817 (lang_cleanup_tree): Remove.
20819 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20821 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20822 * crtstuff.c: Not here.
20823 * dwarf2out.c: Or here.
20824 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20827 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20829 * function.h (free_after_compilation): Remove decl parameter.
20830 (free_varasm_status0: Likewise.
20831 (free_emit_status): Likewise.
20832 (free_stmt_status): Likewise.
20833 (free_after_compilation): Likewise.
20834 (init_lang_status): New variable.
20835 (free_lang_status): Likewise.
20836 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20837 * function.c (init_lang_status): New variable.
20838 (free_lang_status): Likewise.
20839 (push_function_context_to): Don't set function::decl here.
20840 (free_after_copmilation): Make decl parameter implicit. Call
20841 free_lang_status if defined.
20842 (prepare_function_start): Call init_lang_status if defined.
20843 (init_function_start): Set function::decl here.
20844 * profile.c (output_func_start_profiler): Don't call pushdecl
20845 until we've actually started the function.
20846 * stmt.c (free_stmt_status): Make decl parameter implicit.
20847 * toplev.c (rest_of_compilation): Don't pass decl to
20848 free_after_compilation.
20849 * varasm.c (free_varasm_status): Likewise.
20851 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20853 * except.c (call_get_eh_context): Add root when allocating static
20856 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20858 * arm.c: Include "ggc.h".
20859 (arm_add_gc_roots): New function.
20860 (arm_override_options): Call it.
20861 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20863 * arm.md (define_asm_attributes): Add a pool_range attribute.
20865 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20867 * extend.texi (Volatiles): New node.
20869 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20871 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20872 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20873 (struct ggc_any): Replace `mark' with `magic_mark'.
20874 (ggc_alloc_string): Use memcpy, not bcopy.
20875 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20876 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20877 (ggc_free_any): New.
20878 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20879 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20880 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20881 Use IS_MARKED. Use ggc_free_any.
20883 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20885 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20887 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20889 * toplev.c (main): Always init_ggc.
20891 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20893 * except.c (find_all_handler_type_matches): Free the list if
20894 we found no matches.
20896 * combine.c (SUBST): Break out to a real function do_SUBST.
20897 (SUBST_INT): Likewise.
20898 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20899 (pre_insert): Free `inserted'.
20900 * loop.c (basic_induction_var): Always set `location'.
20902 * function.c (expand_function_end): Add initial_trampoline as a root.
20903 * rtl.h (init_varasm_once): Declare.
20904 * toplev.c (compile_file): Call it.
20905 * ggc-simple.c (ggc_mark_string_ptr): New.
20906 (ggc_add_string_root): New.
20907 (ggc_collect): Disable collection avoidance temporarily.
20908 * ggc.h (ggc_add_string_root): Declare.
20909 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20910 * optabs.c (init_libfuncs): Likewise.
20911 * varasm.c (named_section): Use ggc_alloc_string.
20912 (make_function_rtl): Likewise.
20913 (make_decl_rtl): Likewise.
20914 (assemble_static_space): Likewise.
20915 (assemble_trampoline_template): Likewise.
20916 (output_constant_def): Likewise.
20917 (force_const_mem): Likewise.
20918 (mark_const_hash_entry): New.
20919 (mark_pool_sym_hash_table): New.
20920 (mark_varasm_state): Use it.
20921 (init_varasm_once): New.
20923 * expr.h (init_one_libfunc): Declare.
20924 * optabs.c (init_one_libfunc): New.
20925 (init_optabs): Use it.
20926 * config/gofast.h: Likewise.
20927 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20928 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20930 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20932 * Makefile.in (cppexp.o): Depend on cpphash.h.
20933 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20935 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20936 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20937 redefining poisoned identifiers, etc.
20938 (do_undef): Don't allow poisoned identifiers to be undefined.
20939 (do_pragma): Add #pragma poison.
20940 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20942 * cccp.c: Add T_POISON node type.
20943 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20945 (do_define): Generalise to handle poisoned definitions,
20946 redefining poisoned identifiers, etc.
20947 (do_undef): Don't allow poisoned identifiers to be undefined.
20948 (do_pragma): Add #pragma poison.
20949 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20951 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20952 * c-pragma.h: Add ps_poison state. We now always have generic
20955 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20957 * ggc.h (ggc_alloc): New function.
20958 (ggc_mark): Likewise.
20959 * ggc-simple.c (ggc_any): New structure.
20960 (ggc_status): Add anys.
20961 (n_anys_collected): New variable.
20962 (ggc_alloc): Define.
20963 (ggc_mark): Likewise.
20964 (ggc_collect): Collect the anys.
20966 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20968 * c-decl.c (mark_binding_level): Make static to match prototype.
20970 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20972 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20974 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20976 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20977 will use into account. Expand the max width to 5.
20980 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20982 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20983 for the rtx length.
20985 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20987 * alpha.md (call value patterns): Remove the result predicates.
20989 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20991 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20994 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20996 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20997 changed from extern char *, to extern PTR. Also fix typo in
20998 NEED_DECLARATION_REALLOC test.
21000 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
21002 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21004 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
21005 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
21006 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
21007 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
21009 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
21011 * cccp.c (pcfinclude): Likewise.
21013 * global.c (allocno_compare): Likewise.
21015 * haifa-sched.c (rank_for_schedule): Likewise.
21017 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
21019 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
21021 * stupid.c (stupid_reg_compare): Likewise.
21023 * tree.c (_obstack_allocated_p): Likewise.
21025 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
21027 1999-09-08 Bruce Korb autogen@linuxbox.com
21029 * Makefile.in: Give the hapless gperf user a hint about
21030 why "gperf -F" fails.
21032 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
21034 * lists.c: Include ggc.h.
21036 (init_EXPR_INSN_LIST_cache): Install it.
21038 * ggc-simple.c (init_ggc): Absorb the old init.
21039 (ggc_push_context): Use xcalloc.
21040 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
21041 (ggc_collect): Add [rvts] tags to the collection stats.
21043 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
21045 * cccp.c (main): Fix handling of -include and -imacros options.
21047 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
21049 * cpplib.c (cpp_push_buffer): Fix order of arguments.
21051 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21053 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
21056 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21058 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
21059 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
21060 and SET_DEST. Update comment.
21062 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21064 * config/c4x/c4x.c: Include ggc.h.
21065 (c4x_add_gc_roots): New function.
21066 (c4x_override_options): Call c4x_add_gc_roots.
21068 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
21070 * defaults.h (TARGET_ESC): Move ...
21071 * system.h: ... here, where Linas had it in the first place. Silly me.
21073 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
21075 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
21076 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
21077 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
21078 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
21079 * defaults.h (TARGET_ESC): Add default.
21081 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
21083 * configure.in: add i370-*-openedition, i370-*-mvs and
21084 i370-*-linux targets
21086 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
21088 * dsp16xxx.c: Include ggc.h
21089 (override_options): Mark GC roots.
21090 * mn10200.c: Include ggc.h.
21091 (asm_file_start): Mark GC roots.
21092 * tahoe.c: Include ggc.h.
21093 (extensible_operand): Mark GC roots.
21095 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
21097 * README: Add section discussing status of ELF ABI.
21098 * i370.c: Fix misc spelling mistakes.
21099 (i370_label_scan): Updated notes, exception handling.
21100 (i370_function_prolog): Simplify ELF stack handling.
21101 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
21102 (STACK_GROWS_DOWNWARD): ELF stack grows down.
21103 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
21104 * i370.md: (movdi): Add notes.
21105 (floatsidf2): Use stack not rtca for scratch float area.
21106 (iorsi3): Correct operand constraints.
21107 * x-oe: Restore TAROUTOPTS which are used by pax.
21109 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
21111 * rs6000.c: Include ggc.h.
21112 (rs6000_add_gc_roots): New function.
21113 (override_options): Call it.
21115 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
21117 * alpha.h (alpha_compare): New.
21118 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
21119 * alpha.c: Likewise for the definitions.
21120 (alpha_emit_conditional_branch): Update for alpha_compare.
21121 (alpha_emit_conditional_move): Likewise.
21122 * alpha.md (cmpdf, cmpdi): Likewise.
21123 (setcc patterns): Likewise. Zero alpha_compare after use.
21124 (sne): Optimize (x != 0) into (0U < x).
21126 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
21128 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
21129 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
21130 (INIT_EXPANDERS): Remove.
21131 * alpha.c: Include ggc.h.
21132 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
21133 (alpha_init_machine_status, alpha_mark_machine_status): New.
21134 (override_options): Install them.
21135 (struct machine_function): Moved to alpha.h.
21136 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
21137 (alpha_init_expanders): Remove.
21138 (alpha_return_addr): Adjust to use current_function->machine.
21139 (alpha_ra_ever_killed): Likewise.
21140 (alpha_expand_epilogue): Likewise.
21141 * alpha.md (eh_epilogue): Likewise.
21143 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
21144 Melissa O'Neill <oneill@cs.sfu.ca>
21145 Geoffrey Keating <geoffk@cygnus.com>
21147 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
21148 call-used registers (call-saved registers must still be contiguous
21149 and end with r31, of course).
21151 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
21153 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
21154 (self_promoting_type_p): Delete.
21155 (self_promoting_args_p): Move ...
21156 * c-common.c: ... here.
21157 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
21158 (simple_type_promotes_to): New.
21159 * builtins.c (lang_type_promotes_to): New.
21160 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
21161 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
21162 * c-common.h: ... here.
21163 (self_promoting_args_p, simple_type_promotes_to): Declare.
21164 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
21165 (grokdeclarator): Likewise.
21166 * tree.h (lang_type_promotes_to): Declare.
21168 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
21170 Add some machine-dependent GC roots.
21171 * sparc.c: Include ggc.h.
21172 (sparc_add_gc_roots): New function.
21173 (mark_ultrasparc_pipeline_state): Likewise.
21174 (override_options): Call sparc_add_gc_roots.
21175 * pa.c: Include ggc.h.
21176 (pa_add_gc_roots): New function.
21177 (mark_deferred_plabels): Likewise.
21178 (override_options): Call pa_add_gc_roots.
21179 * mips.c: Include ggc.h.
21180 (mips_add_gc_roots): New function.
21181 (override_options): Use it.
21183 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21185 * cpperror.c (cpp_file_line_for_message): Constify a char*.
21187 * cppexp.c (parse_number, parse_charconst, cpp_lex,
21188 cpp_parse_expr): Add static prototypes.
21189 (parse_charconst): Don't cast away const-ness.
21190 (token): Constify a char*.
21192 * cppfiles.c (file_name_list, include_hash, find_include_file,
21193 finclude, initialize_input_buffer): Constify a char*.
21194 (file_cleanup, find_position): Add static prototypes.
21196 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
21197 collect_expansion): Add static prototypes.
21198 (cpp_install, create_definition, monthnames): Constify a char*.
21200 * cpphash.h (cpp_install): Likewise.
21202 * cppinit.c (known_suffixes, default_include,
21203 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
21204 (base_name, dump_special_to_buffer, initialize_dependency_output):
21205 Add static prototypes.
21207 * cpplib.c (my_strerror): Constify a char*.
21208 (null_underflow, null_cleanup, skip_comment, copy_comment,
21209 copy_rest_of_line, handle_directive, pass_thru_directive,
21210 get_directive_token, read_line_number, cpp_print_file_and_line,
21211 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
21212 v_cpp_warning_with_line, detect_if_not_defined,
21213 consider_directive_while_skipping): Add static prototypes.
21214 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
21215 cpp_pedwarn_with_file_and_line): Constify a char*.
21217 * cpplib.h (cpp_options, include_hash, progname, definition,
21218 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
21219 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
21220 find_include_file, deps_output, include_hash): Constify a char*.
21222 * cppmain.c (progname): Constify.
21223 (main): Add prototype. Use return, not exit.
21225 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
21226 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
21227 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
21228 check_protection): Add static prototype.
21230 (progname, recognized_macrom, recognized_extern): Constify a char*.
21231 (main): Add prototype.
21233 * gen-protos.c (progname): Constify a char*.
21235 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21237 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21238 (init_emit_once): Add more GC roots.
21239 * except.c (mark_func_eh_entry): New function.
21240 (mark_eh_node): Mark false_label and rethrow_label.
21241 (init_eh): Add more GC roots.
21242 * function.c (free_after_compilation): Take decl as a paramter.
21243 Call free_stmt_status.
21244 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21246 * function.h (free_after_compilation): Change prototype.
21247 (free_varasm_status): Likewise.
21248 (free_emit_status): Likewise.
21249 (free_stmt_status): New function.
21250 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21251 Remove, replacing with ...
21252 (ggc_status): New structure.
21253 (ggc_chain): New variable.
21254 (init_gcc): Define.
21255 (ggc_push_context): New function.
21256 (ggc_pop_context): Likewise.
21257 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21258 (ggc_alloc_rtvec): Likewise.
21259 (ggc_alloc_tree): Likewise.
21260 (ggc_alloc_string): Likewise.
21261 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21262 (ggc_mark_tree): Give language-dependent code a chance to mark
21264 (ggc_mark_tree_varray): Handle empty arrays.
21265 (ggc_collect): Adjust for use of ggc_chain. Clear
21266 bytes_alloced_since_last_gc.
21267 * ggc.h (ggc_pop_context): New function.
21268 (ggc_push_context): Likewise.
21269 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21270 * stmt.c (free_stmt_status): New function.
21271 (init_stmt_for_function): Clear last_expr_value.
21272 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21273 Conditionalize call to ggc_collect.
21274 (main): Call init_ggc.
21275 * tree.c (push_obstacks): Do the push, even when GC'ing.
21276 (push_obstacks_nochange): Likewise.
21277 (pop_obstacks): Liekwise.
21278 * varasm.c (free_varasm_status): Take decl as a parameter.
21280 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21282 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21283 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21284 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21285 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21287 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21289 * pa/x-pa-mpeix: New file for the MPE port.
21291 * pa/quadlib.asm: New file for long double support.
21293 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21294 * configure: Rebuilt.
21296 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21298 * final.c (shorten_branches): Fix last change.
21300 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21302 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21304 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21306 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21309 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21311 * c-aux-info.c (concat): Don't define.
21313 * cccp.c (my_strerror): Likewise. All callers changed to use
21315 (do_include): Call xstrdup, not xmalloc/strcpy.
21316 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21317 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21319 * collect2.c (my_strsignal): Likewise. All callers changed to use
21321 (locatelib): Call xstrdup, not xmalloc/strcpy.
21323 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21325 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21327 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21329 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21331 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21333 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21335 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21337 (find_all_handler_type_matches): Likewise. Don't check return
21339 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21340 xmalloc, not malloc.
21341 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21343 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21344 (init_spec): Call xcalloc, not xmalloc/bzero.
21345 (set_spec): Call xstrdup, not save_string.
21346 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21347 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21348 (process_command): Call xstrdup, not save_string.
21349 (main): Call xcalloc, not xmalloc/bzero.
21351 * gcov.c (xmalloc): Don't define.
21352 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21353 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21354 (output_data): Call xcalloc, not xmalloc/bzero.
21356 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21358 * mips-tdump.c (xmalloc): Don't define.
21359 (print_symbol): Call xmalloc, not malloc.
21360 (read_tfile): Call xcalloc, not calloc.
21362 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21363 Don't define. All callers of xfree/my_strsignal changed to use
21364 free/strsignal instead.
21365 (allocate_cluster): Call xcalloc, not calloc.
21367 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21368 Fix memory leak, free allocated memory.
21370 * prefix.c (translate_name): Call xstrdup, not save_string.
21371 (update_path): Likewise.
21373 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21375 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21376 Don't define. Callers of xfree/savestring2 changed to use
21377 free/concat instead.
21379 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21380 (init_elim_table): Likewise.
21382 * resource.c (init_resource_info): Likewise.
21384 * stupid.c (stupid_life_analysis): Likewise.
21386 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21387 (open_dump_file): Call concat, not xmalloc/strcpy/...
21388 (clean_dump_file): Likewise.
21389 (compile_file): Call xstrdup, not xmalloc/strcpy.
21391 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21393 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21394 * v850.c (v850_va_arg): New.
21396 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21398 * haifa-sched.c: Tidy comments.
21400 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21402 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21403 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21404 $(out_object_file)): Depend on ggc.h.
21405 * c-common.c: Include "ggc.h".
21406 (combine_strings): If doing GC, use ggc_alloc_string.
21407 * c-decl.c: Include "ggc.h".
21408 (ggc_p): Define with value 0.
21409 (mark_binding_level): New function.
21410 (init_decl_processing): Add GC roots.
21411 (mark_c_function_context): New function.
21412 (lang_mark_false_label_stack): New function.
21413 (lang_mark_tree): New function.
21414 (lang_cleanup_tree): New function.
21415 * c-lang.c: Include "ggc.h".
21416 (lang_init): Call c_parse_init.
21417 * c-lex.c: Include "ggc.h".
21418 (check_linenum): If doing GC, don't copy filenames to permanent
21420 * c-parse.in: Include "ggc.h".
21421 (c_parse_init): New function.
21422 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21423 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21425 * except.c (mark_eh_state): Mark more state.
21426 * function.c (mark_function_state): Likewise.
21427 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21428 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21429 * toplev.c (mark_file_stack): New function.
21430 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21431 (main): Add root for input_file_stack.
21433 * i386.c: Include "ggc.h".
21434 (ix86_mark_machine_status): New function.
21435 (override_options): Set mark_machine_status.
21437 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21439 * tree.c (copy_node): Copy node contents also if doing GC.
21441 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21443 * collect2.c (scan_libraries): Fix double-thinko :-).
21445 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21447 * collect2.c (scan_libraries): Fix thinko.
21449 * cse.c (delete_trivially_dead_insns): Do not skip the last
21450 insn if it is a real insn.
21452 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21454 * Makefile.in (ggc-simple.o): Depend on hash.h.
21455 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21456 (ggc_mark_tree_varray): Likewise.
21457 (ggc_mark_tree_hash_table): Likewise.
21458 * ggc-simple.c: Include hash.h.
21459 (ggc_mark_tree_hash_table_ptr): New function.
21460 (ggc_mark_tree_hash_table_entry): Likewise.
21461 (ggc_mark_tree_hash_table): Likewise.
21462 (ggc_add_tree_hash_table_root): Likewise.
21463 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21464 rtx, when defining fields.
21466 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21468 * profile.c (output_func_start_profiler): Remove apparently
21469 nonsensical call to start_sequence.
21471 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21473 * clipper/clipper.c (clipper_va_start): Fix typos.
21475 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21476 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21477 (spur_va_arg): New stub.
21479 * configure.in: Comment out pyramid.
21481 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21483 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21484 don't conflict with the bits that win32, cygwin, and dgux
21487 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21488 Bernd Schmidt <bernds@cygnus.co.uk>
21490 * integrate.c (function_cannot_inline_p): Do not inline
21491 functions with forced labels.
21493 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21494 Bernd Schmidt <bernds@cygnus.co.uk>
21495 Mark Mitchell <mark@codesourcery.com>
21497 * Makefile.in (ggc-simple.o): Depend on varray.h.
21498 (rtl.o): Depend on ggc.h.
21499 (genattrtab.o): Depend on ggc.h.
21500 (print-tree.o): Likewise.
21501 (fold-const.o): Likewise.
21502 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21503 (make_insn_raw): Don't cache insns when GC'ing.
21504 (emit_insn_before): Likewise.
21505 (emit_insn_after): Likewise.
21506 (emit_insn): Likewise.
21507 (start_sequence): Use xmalloc to allocate the sequence_stack.
21508 (end_sequence): Add free to free it.
21509 (gen_sequence): Don't cache insns when GC'ing.
21510 (clear_emit_caches): Don't use sequence_element_free_list.
21511 (init_emit): Use xcalloc, not xmalloc+bzero.
21512 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21513 * function.c (pop_function_context_from): Use free to free the
21514 fixup_var_refs_queue.
21515 (put_reg_into_stack): Allocate it with xmalloc.
21516 * genattrtab.c: Include ggc.h.
21517 (operate_exp): Don't use obstack_free when GC'ing.
21518 (simplify_cond): Likewise.
21519 (simplify_text_exp): Likewise.
21520 (optimize_attrs): Likewise.
21521 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21523 (gencode): Generate a #include for ggc.h.
21524 * ggc-callbacks.c (ggc_p): Define it to zero.
21525 * ggc-none.c (ggc_p): Likewise.
21526 * ggc-simple.c: Include varray.h.
21527 (ggc_mark_tree_varray): New function.
21528 (ggc_add_tree_varray_root): Likewise.
21529 (ggc_mark_tree_varray_ptr): Likewise.
21530 * ggc.h (ggc_p): Declare.
21531 (varray_head_tag): Likewise.
21532 (ggc_add_tree_varray_root): Declare.
21533 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21534 inconsistencies when GC'ing.
21535 * rtl.c: Include ggc.h.
21536 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21537 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21538 (rtx_free): Don't call obstack_free when GC'ing.
21539 * toplev.c (rest_of_compilation): Call ggc_collect after every
21541 * tree.c (push_obstacks): Do nothing, if GC'ing.
21542 (pop_obstacks_nochange): Likewise.
21543 (pop_obstacks): Likewise.
21544 (make_node): Use ggc_alloc_tree when GC'ing.
21545 (copy_node): Likewise.
21546 (get_identifier): Use ggc_alloc_string when GC'ing.
21547 (build_string): Likewise.
21548 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21549 (tree_cons): Likewise.
21550 (build1): Likewise.
21551 (type_hash_canon): Don't call obstack_free when GC'ing.
21553 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21555 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21556 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21558 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21559 Bernd Schmidt <bernds@cygnus.co.uk>
21560 Mark Mitchell <mark@codesourcery.com>
21562 * Makefile.in (stor-layout.o): Depend on ggc.h.
21563 (expr.o): Depend on ggc.h.
21564 (profile.o): Depend on ggc.h.
21565 (stor-layout.o): Depend on ggc.h.
21566 * emit-rtl.c (init_emit_once): Add gc roots.
21567 * expr.c: Include ggc.h.
21568 (emit_block_move): Add gc roots.
21569 (clear_storage): Likewise.
21570 * expr.h (init_stor_layout_once): New function.
21571 * profile.c: Include ggc.h.
21572 (init_arc_profiler): profiler_label is a root.
21573 * scan.c (make_sstring_space): Trust xrealloc to function
21574 correctly with first parameter NULL.
21575 * stor-layout.c: Include ggc.h.
21576 (set_sizetype): Add gc root.
21577 (init_stor_layout_once): New function.
21578 * toplev.c (compile_file): Call it.
21580 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21581 Bernd Schmidt <bernds@cygnus.co.uk>
21582 Mark Mitchell <mark@codesourcery.com>
21584 * Makefile.in (tree.o): Depend on ggc.h.
21585 (varasm.o): Likewise.
21586 (function.o): Likewise.
21587 (stmt.o): Likewise.
21588 (except.o): Likewise.
21589 (optabs.o): Likewise.
21590 (emit-rtl.o): Likewise.
21591 * emit-rtl.c: Include ggc.h.
21592 (sequence_element_free_list): Remove, and all references.
21593 (mark_sequence): New functions.
21594 (mark_emit_state): New function.
21595 * except.c: Include ggc.h.
21596 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21597 (mark_tree_label_node): New functions.
21598 (mark_eh_state): New function.
21599 * function.c: Include ggc.h.
21600 (mark_temp_slot, mark_function_chain): New functions.
21601 (mark_function_state): New function.
21602 (init_function_once): New function.
21603 * function.h (init_function_once): New function.
21604 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21605 * ggc.h (label_node): Declare.
21606 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21607 (lang_mark_false_label_stack): New function.
21608 (mark_temp_slot): Remove declaration.
21609 (mark_function_chain): Likewise.
21610 (mark_eh_state): Adjust prototype.
21611 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21613 * optabs.c: Include ggc.h.
21614 (mark_optab): New function.
21615 (init_optabs): Add gc roots.
21616 * stmt.c: Include ggc.h.
21617 (mark_cond_nesting, mark_loop_nesting): New functions.
21618 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21619 (mark_stmt_state): New function.
21620 * toplev.c (compile_file): Call init_function_once.
21621 * tree.c: Include ggc.h.
21622 (type_hash): Move declaration earlier in file.
21623 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21624 (init_obstacks): Add gc roots.
21625 (mark_type_hash): New function.
21626 * varasm.c: Include ggc.h.
21627 (mark_pool_constant): New function.
21628 (mark_varasm_state): New function.
21630 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21632 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21634 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21636 * c-decl.c (struct language_function): Renamed from struct c_function.
21638 (c_function_chain): Delete.
21639 (push_c_function_context): New arg F. Don't warn about nested
21640 functions here. Fill LANGUAGE elt of F. Delete code to update
21641 c_function_chain. Don't call push_function_context.
21642 (pop_c_function_context): New arg F. Restore from there instead of
21643 from c_function_chain. Don't call pop_function_context. Clear out
21644 LANGUAGE field of F when done.
21645 * c-lang.c: Include "function.h"
21646 (lang_init): Initialize save_lang_status and restore_lang_status.
21647 * c-parse.in (nested_function, nested_function_notype): Warn about
21648 nested functions. Call push_function_context/pop_function_context
21649 instead of the _c_ variants.
21650 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21652 * Makefile.in (c-lang.o): Update dependencies.
21654 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21655 regno_pointer_flag, regno_pointer_align.
21656 (gen_reg_rtx): Use xrealloc to enlarge them.
21657 (free_emit_status): New function.
21658 * function.c (mark_machine_status, mark_lang_status): New variables.
21659 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21660 in some bits from assign_stack_local. All callers changed to use new
21662 (assign_stack_local): Just call assign_stack_local_1.
21663 (free_after_compilation): New function.
21664 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21665 (trampoline_address): Likewise.
21666 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21667 (prepare_function_start): Explicitly clear some more variables.
21668 * function.h (struct function): New elt can_garbage_collect.
21669 (mark_machine_status, mark_lang_status): Declare variables.
21670 (free_after_compilation, free_emit_status, free_varasm_status,
21671 init_varasm_status): Declare functions.
21672 * toplev.c (rest_of_compilation): Call free_after_compilation when
21673 done with the current function.
21674 * varasm.c (free_varasm_status): New function.
21676 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21678 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21679 (EXPAND_BUILTIN_VA_ARG): Define.
21680 * sparc.c (sparc_va_start): New.
21681 (sparc_va_arg): New.
21683 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21685 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21687 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21689 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21691 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21693 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21694 (OBJS): Add $(GGC).
21695 (ggc-callbacks.o): New target.
21696 * ggc-callbacks.c: New file.
21698 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21700 * expr.h: Collapse individual optab and libfunc vars to arrays.
21701 (optab_index, libfunc_index): New enumerations.
21702 (optab_table, libfunc_table): New arrays.
21703 Add accessor macros for both.
21705 * optabs.c (optab_table, libfunc_table): New.
21706 Delete declarations for individual optab and libfunc vars.
21708 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21710 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21712 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21714 * Makefile.in (GGC, GGC_LIB): New.
21715 (HOST_RTL): Include ggc-none.o.
21716 (ggc-simple.o): New target.
21717 (ggc-none.o): Likewise.
21718 * tree.h (tree_common): Add gc_mark.
21719 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21720 (struct rtvec_def): Add gc_mark.
21721 * emit-rtl.c (global_rtl): Update static initializers to contain
21722 enough initializers.
21723 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21724 * toplev.c (gc_time): New variable.
21725 (all_time): New variable.
21726 (compile_file): Print gc time.
21727 (print_time): Calculate percentage of the whole.
21729 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21731 Change obstack memory management and varasm constant pool handling so
21732 that nested functions are treated like any other functions.
21733 * function.c (init_machine_status): New variable.
21734 (push_function_context_to): Set contains_functions for the outer
21735 function. Don't call save_varasm_status.
21736 (pop_function_context_from): Don't call restore_varasm_status. Don't
21737 set current_function_contains_functions.
21738 (prepare_function_start): Call init_varasm_status rather than
21739 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21741 * function.h (struct function) Add field varasm. Delete fields
21742 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21743 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21744 (init_machine_status): Declare.
21745 (save_varasm_status, restore_varasm_status): Delete declarations.
21746 (save_tree_status, restore_tree_status): Delete last argument.
21747 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21748 code. All callers changed.
21749 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21750 save_constants_in_decl_trees, restore_constants, save_constants,
21751 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21753 (inlining): New variable.
21754 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21755 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21757 (save_for_inline_nocopy): Don't save constants.
21758 Don't set inl_emit field in current_function.
21759 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21760 function. Set new variable inlining before
21761 calling copy_rtx_and_substitute.
21762 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21763 constant pool references if inlining is nonzero.
21764 Delete ADDRESS and (most of the) CONST cases.
21765 (output_inline_function): Save and restore current_function/
21766 current_function_decl. Delete restore_constants code. Don't call
21767 init_const_rtx_hash_table.
21768 * output.h (init_const_rtx_hash_table): Don't declare.
21769 * rtl.h (struct function): Declare.
21770 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21771 * toplev.c (rest_of_compilation): Don't treat nested functions or
21772 functions containing them specially. Delete all code to deal with
21773 save_for_inline_copying.
21774 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21775 inline_obstacks): Delete variables.
21776 (save_tree_status): Lose arg CONTEXT. All callers changed.
21777 Simply allocate a new function_maybepermanent_obstack for the new
21778 function, delete all the special cases.
21779 Don't save inline_obstacks.
21780 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21781 Delete special handling for function_maybepermanent_obstack; simply
21783 Don't restore inline_obstacks.
21784 (permanent_allocation): Delete code that frees inline_obstacks.
21785 (print_inline_obstack_statistics): Delete function.
21786 (dump_tree_statistics): Don't call it.
21787 * varasm.c (struct varasm_status): New.
21788 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21789 last_pool, pool_offset, const_double_chain): Delete global
21790 variables, replace with accessor macros.
21791 (immed_double_const): Don't walk const_double_chain outside a
21792 function, but don't treat nested functions specially anymore.
21793 (immed_real_const_1): Likewise.
21794 (clear_const_double_mem): Don't treat nested functions specially.
21795 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21796 (save_varasm_status, restore_varasm_status): Delete functions.
21797 (init_varasm_status): New function.
21798 (force_const_mem): Don't treat nested functions specially.
21799 (find_pool_constant): Accept new arg F, search for constants in
21800 that function's pool rather than the current one. All callers
21802 (get_pool_constant_for_function, get_pool_mode_for_function): New
21805 * i386.c (init_386_machine_status): New function, mostly from
21806 clear_386_stack_locals.
21807 (struct machine_functions): Rename element names to avoid name
21809 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21810 macros, replacing global variables.
21811 (clear_386_stack_locals, save_386_machine_status,
21812 restore_386_machine_status): Delete functions.
21813 (override_options): Initialize init_machine_status.
21814 * i386.h (INIT_EXPANDERS): Delete macro.
21815 (save_386_machine_status, restore_386_machine_status,
21816 clear_386_stack_locals): Delete declarations.
21818 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21820 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21821 (doloop_begin): Simplify pattern and use emit_jump_insn.
21822 (doloop_end): Simplify pattern, switch operand order,
21823 and use emit_jump_insn.
21825 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21827 * function.h (struct function): Add new element LANGUAGE.
21828 (save_lang_status): Declare new variable.
21829 (restore_lang_status): Likewise.
21830 * function.c (save_lang_status): Define.
21831 (restore_lang_status): Likewise.
21832 (push_function_context_to): Call language-specific save function.
21833 (pop_function_context_from): Call language-specific restore function.
21835 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21837 * i386.md (movsf_1): Check REG_P before use of REGNO.
21838 (movdf_1): Likewise.
21839 (movxf_1): Likewise.
21840 (extendsfdf2): Likewise.
21841 (extendsfxf2): Likewise.
21842 (extenddfxf2): Likewise.
21844 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21846 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21847 constants into memory.
21848 (c4x_shiftable_constant): New function.
21849 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21850 (c4x_shiftable_constant): Declare.
21851 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21852 ashlqi3_noclobber): Add new patterns and associated splitters.
21854 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21856 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21857 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21858 * final.c (shorten_branches): Likewise.
21859 * global.c (global_alloc): Likewise.
21860 * haifa-sched.c (build_control_flow): Likewise.
21861 * stmt.c (check_for_full_enumeration_handling): Likewise.
21862 (estimate_case_costs): Likewise.
21864 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21866 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21868 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21870 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21871 (recompute_reg_usage): Likewise.
21872 * rtlanal.c (find_regno_fusage): Likewise.
21874 * rtl.c (rtl_check_failed_code1): New function.
21875 (rtl_check_failed_code2): New.
21876 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21877 (RTL_CHECKC1, RTL_CHECKC2): New.
21878 (XC*): New accessor macros.
21879 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21880 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21881 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21882 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21883 (TRAP_*, RANGE_INFO_*): Likewise.
21885 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21887 * Makefile.in (tlink.o): Don't depend on toplev.h.
21889 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21890 output_file, nm_file_name, ldd_file_name, strip_file_name,
21891 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21892 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21893 fork_execute, maybe_unlink, add_to_list,
21894 extract_init_priority, write_list, dump_list,
21895 dump_prefix_list, write_list_with_asm, write_c_file,
21896 write_c_file_stat, write_c_file_glob, scan_prog_file,
21897 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21898 ignore_library, extract_string, notice, dump_file, target_machine,
21899 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21900 read_file, print_load_command): Constify a char*.
21901 (fdopen, error, fatal, fatal_perror): Don't prototype.
21902 (my_strerror): Remove. All callers use xstrerror instead.
21903 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21904 (main): Add prototype. Constify lots of char* ptrs. Change calls
21905 to xcalloc/strcpy/strcat/... to one call to concat.
21906 (main, scan_prog_file, scan_libraries): Use an intermediate
21907 `const char **' to build an argv array.
21908 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21910 * collect2.h (collect_execute, collect_wait, dump_file,
21911 file_exists): Constify a char*.
21912 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21913 temporary_firstobj, vflag, debug): Add extern declarations.
21914 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21916 * tlink.c: Don't include toplev.h.
21917 (vflag, debug, ldout, c_file_name, temporary_obstack,
21918 permanent_obstack, temporary_firstobj): Don't declare.
21919 (tlink_execute, frob_extension, symbol_hash_lookup,
21920 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21921 recompile_files, read_repo_files, demangle_new_symbols,
21922 scan_linker_output): Constify a char*.
21923 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21924 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21926 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21928 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21929 (relative) rather than jsr (absolute) subroutine call insns.
21930 * config/m68k/m68k-coff.h: Ditto.
21932 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21934 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21935 now rework these too.
21936 (arm_reorg): If an insn can't reach the end of the current pool,
21937 ensure that we emit that pool before the insn.
21939 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21941 * tlink.c (scan_linker_output): Skip the initial underscore in
21942 a mangled name if appropriate.
21944 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21946 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21947 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21948 error_with_ivar, gen_declarator, create_builtin_decl,
21949 my_build_string, generate_descriptor_table, generate_ivars_list,
21950 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21951 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21952 dump_base_name, lang_decode_option, build_encode_expr,
21953 start_class, finish_class, encode_pointer, really_start_method,
21954 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21956 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21957 Add static prototypes.
21958 (build_objc_string_decl, build_selector_reference_decl,
21959 encode_bitfield, build_class_reference_decl): Remove unused
21960 parameter, all callers changed.
21961 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21962 (objc_printable_name): Likewise. Change second parameter to type int.
21963 (init_objc): Use memcpy, not bcopy, to avoid casts.
21965 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21967 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21968 reg notes on a deleted insn.
21969 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21971 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21973 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21975 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21977 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21980 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21982 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21983 * tm.texi (MD_ASM_CLOBBERS): Document it.
21985 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21987 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21988 * except.c (expand_rethrow): Remove unused variable.
21989 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21990 * flow.c (replace_insns): Likewise.
21991 (create_edge_list, verify_edge_list): Likewise.
21992 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21994 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21995 is special code to run.
21996 (main): Don't define operands to emit_operand.
21997 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21999 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
22001 * alpha/alpha.h (normal_memory_operand): Declare.
22002 (reg_no_subreg_operand): Declare.
22003 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
22005 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
22007 * c-parse.in (compstmt_primary_start): New, broken out of first
22008 part of compstmt handling in primary.
22009 (primary): Use it. Add an error clause.
22010 (compstmt_nostart): Renamed from compstmt; remove all
22011 initial invocations of compstmt_start.
22014 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
22016 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
22019 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
22021 * combine.c (simplify_shift_const): Remove extra semicolon.
22022 * dwarf2out.c (remove_AT): Likewise.
22023 * expmed.c (expand_mult): Likewise.
22024 * gcov.c (create_program_flow_graph): Likewise.
22025 * reorg.c (mostly_true_jump): Likewise.
22027 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
22029 * fold-const.c (fold_range_test): Do not try to fold the range
22030 test if the rhs or lhs has side effects.
22032 * combine.c (simplify_rtx): Recognize another case of a synthesized
22035 * varasm.c (mark_constant_pool): When marking indirect references,
22036 only look at SYMBOL_REFs.
22038 * except.c (expand_fixup_region_end): Do not peek at
22039 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
22041 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
22043 * flags.h: New variables align_loops, align_loops_log,
22044 align_jumps, align_jumps_log, align_labels, align_labels_log,
22045 align_functions, align_functions_log.
22046 * toplev.c: Define them.
22047 (f_options): Handle -falign-* when they have no argument.
22048 (main): Add logic to set variables for -falign-functions,
22049 -falign-jumps, -falign-labels, -falign-loops.
22050 Make it -fsched-verbose=<n> and -finline-limit=<n>.
22051 (display_help): Change help to match options.
22052 * final.c (LABEL_ALIGN): Default to align_labels_log.
22053 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
22054 (LOOP_ALIGN): Default to align_loops_log.
22055 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
22056 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
22057 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
22058 * varasm.c (assemble_start_function): Handle align_functions.
22060 * config/sparc/sparc.h: Don't declare sparc_align_*.
22061 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
22062 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
22064 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
22066 * config/sparc/sparc.c: Delete sparc_align_loops,
22067 sparc_align_jumps, sparc_align_funcs and the corresponding string
22069 (sparc_override_options): Default align_functions on ultrasparc.
22070 Delete -malign-* handling.
22072 * config/mips/mips.c (override_options): On 64-bit targets,
22073 try to align code to 64-bit boundaries.
22074 (print_operand): New substitution, %~,
22075 which aligns labels to align_labels_log.
22076 * config/mips/mips.md (div_trap_normal): Use %~.
22077 (div_trap_mips16): Likewise.
22079 (absdi2): Likewise.
22080 (ffssi2): Likewise.
22081 (ffsdi2): Likewise.
22082 (ashldi3_internal): Likewise.
22083 (ashrdi3_internal): Likewise.
22084 (lshrdi3_internal): Likewise.
22085 (casesi_internal): Likewise.
22087 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
22089 Merge new ia32 backend from the branch!
22091 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
22092 See ChangeLog.P2 on new_ia32_branch for details.
22094 * rtl.h (stack_regs_mentioned_p): Delete prototype.
22095 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
22096 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
22097 * i386/gas.h (ASM_FILE_START): Define.
22098 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
22099 for name change of ix86_valid_decl_attribute_p.
22100 (i386_pe_valid_type_attribute_p): Similarly.
22102 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
22104 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
22105 to step through CC modes.
22107 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22109 * regmove.c (fixup_match_1): Don't move INSN in front of P if
22110 it would end up in the shadow of a live flags regsiter.
22112 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22114 * reload1.c: Fix many indentation problems.
22115 * reload.c: Likewise.
22117 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
22119 * alias.c (non_local_reference_p): Constify fmt.
22121 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
22123 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
22125 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
22127 * cse.c (delete_trivially_dead_insns): Do not delete stores to
22128 the internal_arg_pointer.
22130 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
22132 Merge peephole2 from new_ia32_branch:
22133 * Makefile.in (STAGESTUFF): Add *.peephole2.
22134 (mostlyclean): Likewise.
22135 (recog.o): Depend on resource.h.
22137 * final.c (peephole): Conditionalize decl on HAVE_peephole.
22138 (final_scan_insn): Likewise for the invocation of peephole.
22139 * genconfig.c (main): Look for peephole and peephole2 patterns.
22140 Emit HAVE_peephole* accordingly.
22141 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
22142 * flags.h (flag_peephole2): Declare.
22143 * toplev.c: New pass peephole2. New flag -fpeephole2.
22145 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
22146 * gencodes.c (main): Likewise.
22147 * genextract.c (main): Likewise.
22148 * genoutput.c (main): Likewise.
22149 * genemit.c (max_operand_1): Look for the max scratch operand.
22150 (gen_rtx_scratch): New.
22151 (gen_exp): Use it, and pass on new arg subroutine_type.
22152 (gen_expand): Take max scratch into account.
22153 (gen_split): Emit peephole2 functions.
22154 (output_peephole2_scratch): New.
22155 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
22156 * genrecog.c (routine_type): Add PEEPHOLE2.
22158 (make_insn_sequence): Match outer parallel for peep2. Discard
22159 top level scratches and dups.
22160 (add_to_sequence): New args insn_type and top. Update all callers.
22161 Handle toplevel peep2 matching insns.
22162 (write_subroutine): Handle peep2.
22163 (write_tree_1): Likewise.
22164 (write_tree): Likewise.
22166 (change_state): New arg afterward. Update all callers.
22167 Handle matching separate insns.
22168 * recog.c (recog_next_insn): New.
22169 (peephole2_optimize): New.
22170 * rtl.def (DEFINE_PEEPHOLE2): New.
22171 * resource.c (find_free_register): New argument last_insn. Use it
22172 to find a register available through the entire span.
22173 * resource.h (find_free_register): Update prototype.
22175 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
22177 * i386.c (output_strlen_unroll): Don't write xops[7]
22178 label if it wasn't set.
22180 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
22182 * cpplib.c (struct directive): Const-ify name pointer and
22183 function pointer prototype.
22184 (validate_else, do_define, do_line, do_include, do_undef,
22185 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
22186 do_elif, do_endif, do_sccs, do_assert, do_unassert,
22187 do_warning): Const-ify second arg.
22188 (directive_table): Mark const. Reorder entries by frequency
22189 of usage, record statistics.
22191 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
22193 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
22194 bounds- check RTL accesses if --enable-checking.
22195 (RTVEC_ELT): Bounds check if --enable-checking.
22196 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
22197 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
22198 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
22200 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
22201 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
22203 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
22204 (NOTE_SOURCE_FILE): Use X0STR.
22205 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
22206 MEM_ALIAS_SET): Use X0INT.
22207 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
22208 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
22210 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
22211 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
22212 (rtl_check_failed_bounds, rtl_check_failed_type1,
22213 rtl_check_failed_type2, rtvec_check_failed_bounds): New
22215 (fancy_abort): Fix comment.
22217 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
22218 (cse_insn): Decrement LABEL_NUSES for jump target before
22219 deleting jump insn.
22220 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
22221 * final.c (alter_subreg): Compute regno before changing x to
22222 REG; set REGNO(x) after changing it.
22223 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
22224 notes containing CONST_INTs.
22225 (delete_eh_regions): Use NOTE_EH_HANDLER.
22226 * function.c (put_reg_into_stack): Make reg a MEM before
22228 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
22230 (gen_mem_addressof): Make reg a MEM before initializing it.
22231 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
22233 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
22234 deleting an insn, not after.
22235 (block_alloc): Only look at PATTERN(insn) if we have to, and
22236 only if it's format class 'i'.
22237 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22238 CONST_INT before using its INTVAL.
22239 * print-rtl.c (print_rtx): Use X0STR.
22240 * regmove.c (fixup_match_1): Don't look at PATTERN of
22241 non-class-'i' insn chain elements.
22242 * reload.c (loc_mentioned_in_p): Take address of
22243 in->fld[1].rtx directly.
22244 * reload1.c (reload): Change reg to a MEM before initializing
22246 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22248 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22250 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22252 * config/mips/mips.c (machine_dependent_reorg): Force a
22253 barrier to output the local constant pool if a barrier hasn't
22254 been found at a natural point in the instruction stream.
22256 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22258 * c-parse.in (language_string): Constify.
22260 * dwarf2out.c (language_string): Remove declaration.
22262 * dwarfout.c (language_string): Likewise.
22264 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22266 * tree.h (language_string, init_parse, finish_parse): Declare.
22268 * i386/sun386.h (language_string): Remove declaration.
22270 * mips.h (language_string): Likewise.
22272 * nextstep.h (language_string): Likewise.
22274 * nextstep21.h (language_string): Likewise.
22276 * rs6000.c (language_string): Likewise.
22278 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22280 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22281 (getpwd.o): Remove target.
22283 * getpwd.c: Delete file. Its in libiberty now.
22285 * dbxout.c (getpwd): Don't prototype.
22286 * dwarf2out.c (getpwd): Likewise
22287 * dwarfout.c (getpwd): Likewise
22288 * final.c (getpwd): Likewise.
22289 * protoize.c (getpwd): Likewise.
22291 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22293 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22295 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22297 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22298 mark_set_resources.
22300 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22302 * fixinc/Makefile.in (subdir): New.
22303 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22306 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22308 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22309 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22312 * invoke.texi: Fix typo.
22314 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22315 changed. Handle autoincrement addressing modes.
22317 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22318 just like we would the virtual incoming args register when
22321 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22323 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22324 path, in .file directive.
22326 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22328 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22331 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22333 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22336 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22338 * tree.c (tree_code_name): Constify a char*.
22340 * tree.h (tree_code_name, decl_printable_name): Likewise.
22342 * function.h (struct function): Likewise.
22344 * toplev.c (decl_name, decl_printable_name): Likewise.
22346 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22348 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22349 (init_objc): Remove function pointer cast.
22351 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22353 * pa.md (interspace_jump): New pattern.
22354 (builtin_longjmp): New expander.
22356 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22358 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22359 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22360 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22362 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22364 * jump.c (delete_prior_computation): Also check calls
22365 to constant functions. Don't bother checking for a
22366 REG_UNUSED note before adding it.
22367 (delete_computation): Handle multi-word hard registers
22368 when synthesizing missing REG_DEAD notes for a register
22369 which is both set and used by an insn.
22371 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22373 * loop.c (this_loop_info): New variable.
22374 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22375 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22377 (prescan_loop, strength_reduce): New argument loop_info. All callers
22379 (scan_loop): New variable loop_info, initialise to address of
22381 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22382 Delete variable loop_has_multiple_exit targets and replace with
22383 field in this_loop_info.
22384 (find_and_verify_loops): Rename this_loop to this_loop_num.
22385 (strength_reduce): Delete loop_iteration_info. Replace variable
22386 loop_info with function argument of same name.
22387 (insert_bct): Rework test for loop being completely unrolled.
22389 * loop.h (struct loop_info): New fields num, loops_enclosed,
22390 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22391 has_indirect_jump, and cont. Redefine use of unroll_number.
22392 (loop_unroll_number): Delete.
22394 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22395 field of loop_info.
22396 (loop_iterations): Delete variable vtop and instead use
22397 loop_info->vtop computed in prescan_loop.
22399 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22401 * fix-header.c (main): Do not pass a null pointer to strcmp.
22403 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22405 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22407 * configure: Rebuilt.
22409 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22411 * jump.c (jump_optimize_1): Do not delete assignments to
22412 internal_arg_pointer.
22413 * cse.c (delete_trivially_dead_insns): Always consider a set of
22414 the internal_arg_pointer live.
22416 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22418 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22419 (update_life_info) [REG_WAS_0]: Search the original insns rather
22420 than the new insns for the note. Fix typos finding note_dest.
22421 If no dest found, discard the note rather than abort.
22422 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22423 (replace_insns): Remove the old insn list after update_life_info
22426 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22428 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22429 sched_analyze_insn.
22430 (sched_analyze_1): Let add_dependence care for not adding dups.
22431 (sched_analyze_2): Likewise.
22432 (add_branch_dependences): Likewise.
22434 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22436 * i386/winnt.c (export_list): New type.
22437 (exports_head): Rename to
22438 (export_head): this.
22439 (i386_pe_record_exported_symbol): Add is_data flag.
22440 (i386_pe_asm_file_end): Emit directive for exported variables.
22441 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22443 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22444 (ASM_DECLARE_OBJECT_NAME): Likewise.
22445 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22446 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22448 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22450 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22452 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22455 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22457 * config/openbsd.h: Define SET_ASM_OP.
22458 * tm.texi: cross-reference SET_ASM_OP in the index.
22460 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22462 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22463 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22464 and class_narrowest_mode at compile time. Kill init_rtl.
22465 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22466 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22467 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22469 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22471 * rtl.h: Declare rtx_length and rtx_format as const.
22472 * machmode.def: Define CC(). Use CC() to define CCmode. If
22473 EXTRA_CC_MODES is defined, expand it here.
22474 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22475 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22476 const. Kill all references to EXTRA_CC_MODES.
22478 * toplev.c: Don't prototype or call init_rtl.
22479 * optabs.c: Don't call init_mov_optab.
22480 * genemit.c: Don't generate init_mov_optab. Don't call
22482 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22484 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22485 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22486 genrecog.c: Don't call init_rtl.
22488 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22489 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22490 definition of EXTRA_CC_MODES.
22492 * md.texi: Kill ref to EXTRA_CC_NAMES.
22493 * tm.texi: Document new way to define EXTRA_CC_MODES.
22495 * genrecog.c: Do not look up the name of a define_split.
22496 (Unrelated bugfix.)
22498 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22500 * config/v850/v850.md: Fix typo introduced by previous delta.
22502 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22504 * gcc.c (fatal): Make definition static to match prototype.
22506 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22508 * combine.c (get_last_value): Don't look for earlier sets if the last
22509 known set is somewhere in between the insns being combined.
22511 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22513 * configure.in: Don't use shell ! to negate exit codes
22514 * configure: Regenerate
22516 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22518 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22519 the fact that ALIGN is measured in bits, not bytes.
22521 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22523 * errors.c: New file; defines functions error, warning, and
22524 fatal, variables have_error and progname.
22525 * errors.h: New file; prototypes and decls for stuff in errors.c.
22527 * Makefile: Add rules to build errors.o and
22528 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22529 genopinit, genrecog, genextract, genpeep, genattr, and
22530 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22531 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22532 genpeep.o, genattr.o, and genoutput.o.
22534 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22535 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22536 define or prototype fatal. Set progname at beginning of main.
22537 * genoutput.c: Likewise, and don't define or prototype error
22540 * c-typeck.c (c_expand_start_case): Return immediately if exp
22542 * fold-const.c (operand_equal_p): Return immediately if arg1
22543 or arg0 are ERROR_MARKs.
22544 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22545 fields of type ERROR_MARK when calculating if the record can
22548 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22549 with much help from Jeffrey A Law and Richard Henderson
22551 * i386.md: In the 6 insns which call output_fix_trunc,
22552 earlyclobber operands[0].
22554 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22556 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22557 creating new registers.
22559 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22561 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22562 i386_reg_alloc_order, i386_regparm_string,
22563 i386_align_loops_string, i386_align_jumps_string,
22564 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22565 and i386_branch_cost_string as type "const char *".
22566 * i386.c: Define all above strings as type "const char *".
22568 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22570 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22571 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22573 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22575 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22576 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22578 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22580 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22581 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22582 (dwarf2out_line, dwarf2out_finish): Likewise.
22583 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22585 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22587 * tree.c (lang_unsave_expr_now) : Correct return type.
22588 * tree.h (lang_unsave_expr_now) : Same.
22590 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22592 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22593 instead of duplicating code.
22595 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22597 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22599 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22601 * tree.h: fancy_abort always takes three args.
22602 * resource.c: Move include of system.h before toplev.h.
22604 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22606 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22609 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22611 * system.h: Don't redefine abort or trim_filename.
22612 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22613 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22614 whether or not __FUNCTION__ is available.
22615 * tree.h: Duplicate rtl.h's definition of abort, for files
22616 that don't include rtl.h. Delete all code to perform type
22617 checking with a compiler other than GCC.
22618 * varray.h: Delete all code to perform type checking with a
22619 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22620 its arguments exactly once, using a statement expression.
22621 Adjust the VARRAY_<type> accessor macros to match.
22622 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22623 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22624 caller's location. Define fatal_insn and fatal_insn_not_found
22625 as macros that use _fatal_insn and _fatal_insn_not_found.
22626 (fancy_abort, trim_filename): Kill prototypes.
22628 * rtl.c (trim_filename): Move here from toplev.c.
22629 (fancy_abort): New function.
22630 (DIR_SEPARATOR): Provide default definition.
22631 * tree.c (tree_check_failed, tree_class_check_failed): Go
22632 through fancy_abort.
22633 (tree_check, tree_class_check, cst_or_constructor_check,
22634 expr_check): Delete.
22635 * varray.c (varray_check_failed): New function.
22636 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22637 _fatal_insn and _fatal_insn_not_found. Go through
22639 (trim_filename, fancy_abort): Delete.
22641 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22642 * except.c (start_catch_handler): Report ICE with error/abort
22644 * final.c (output_operand_lossage): Likewise.
22645 * flow.c (verify_flow_info): Likewise.
22647 * gcc.c: Prototype fatal.
22648 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22649 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22650 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22651 Don't define fancy_abort.
22653 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22655 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22658 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22660 * m88k.h (VERSION_INFO2): Kill.
22661 (VERSION_STRING): Kill.
22663 (VERSION_INFO1): Tidy.
22664 (TARGET_VERSION): Update.
22665 * m88k/dgux.h (VERSION_INFO2): Kill.
22666 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22667 * m88k/luna.h (VERSION_INFO1): Tidy.
22668 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22669 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22670 (output_file_start): Adjust for death of VERSION_STRING.
22672 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22674 * cpplib.c (detect_if_not_defined): New function.
22675 (do_if): Use it to detect potential once-only headers.
22677 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22679 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22681 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22683 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22684 anywere in the function only if they are pseudos and set before
22685 being used (not live at the start of the function).
22686 (num_sign_bit_copies) : Same.
22687 (get_last_value_validate) : Same.
22688 (get_last_value) : Same.
22690 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22692 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22693 where N and M are constant and N is an integer multiple of M.
22695 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22697 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22698 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22699 sbitmap_union_of_preds): Add prototypes.
22700 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22701 the intersection of successors with the new flow graph structures.
22702 (sbitmap_intersection_of_preds): New function to compute the
22703 intersection of predecessors with the new flow graph structures.
22704 (sbitmap_union_of_succs): New function to compute the union of
22705 successors with the new flow graph structures.
22706 (sbitmap_union_of_preds): New function to compute the union of
22707 predecessors with the new flow graph structures.
22708 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22709 (expr_reaches_here_p): Use edge and basic_block structures instead
22710 of s_preds and s_succs.
22711 (compute_cprop_avinout): Use new sbitmap routines.
22712 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22713 of s_preds and s_succs.
22714 * flow.c (compute_flow_dominators): Compute dominators using
22715 edges and basic blocks instead of s_preds and s_succs.
22717 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22719 * lists.c (unused_insn_list, unused_expr_list): New file for
22720 maintaining various types of lists. New statics for maintaining a
22721 cache of available INSN_LIST and EXPR_LIST nodes.
22722 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22723 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22724 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22725 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22726 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22727 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22728 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22729 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22730 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22731 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22732 (remove_dependence, free_pending_lists): Use new global routines.
22733 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22734 (sched_analyze, compute_block_backward_dependences): Use new routines.
22735 (sched_analyze_1, sched_analyze_2): Use new routines.
22736 (schedule_insns): Use new global routines.
22737 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22739 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22740 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22742 * toplev.c (rest_of_compilation): Initialize node cache.
22743 * Makefile.in (OBJS): Add lists.o to list of object files.
22744 (lists.o): Add dependancies.
22746 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22748 * config/v850/v850.md: Fix compile time warning messages.
22749 * config/v850/v850.c: Fix compile time warning messages.
22750 * config/v850/v850.h: Fix compile time warning messages.
22752 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22754 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22755 Remove unused prototype for `init_lengths'.
22757 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22759 * calls.c (emit_call_1): Mark parameter `stack_size' with
22761 (expand_call): Initialize variable `insn'.
22762 (emit_library_call): Likewise for variable `high_to_save'.
22763 (emit_library_call_value): Likewise.
22764 (store_one_arg): Likewise for variables `lower_bound' and
22767 * combine.c (try_combine): Likewise for variables `i2_code_number'
22768 and `other_code_number'.
22769 (find_split_point): Likewise for variables `pos', `unsignedp' and
22771 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22772 (simplify_and_const_int): Remove unused variable `width'.
22773 (merge_outer_ops): Likewise.
22775 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22776 HOST_WIDE_INT' when comparing against one.
22777 (simplify_relational_operation): Likewise.
22778 (cse_insn): Initialize variables `src_eqv_volatile',
22779 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22781 * final.c (init_final): Constify parameter `filename'.
22782 (final_start_function): Mark parameter `optimize' with
22784 (profile_function): Likewise for parameters `first' and `optimize'.
22785 (output_source_line): Likewise for parameter `file'.
22787 * integrate.c (subst_constants): Cast a value to `size_t' when
22788 comparing against one.
22789 (mark_stores): Initialize variable `mode'. Cast a value to
22790 `size_t' when comparing against one.
22792 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22794 * loop.c (move_movables): Initialize variable `first'.
22795 (strength_reduce): Likewise for variable `increment'.
22796 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22797 value to `size_t' when comparing against one.
22798 (load_mems): Initialize variable `end_label'.
22800 * output.h (init_final): Constify parameter.
22802 * reload.c (decompose): Initialize variable `base'.
22804 * reload1.c (reload): Likewise for variable `is_scalar'.
22805 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22806 (choose_reload_regs): Initialize variable `mode'.
22807 (emit_reload_insns): Likewise for variable `store_insn'.
22808 (reload_cse_noop_set_p): Mark parameter `insn' with
22810 (reload_combine): Initialize variable `set'.
22812 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22813 (copy_loop_body): Cast a value to `size_t' when comparing against
22816 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22817 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22818 (remove_from_pending_weak_list): Mark parameter `name' with
22821 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22823 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22826 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22828 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22829 (ASM_DECLARE_FUNCTION_NAME): Define.
22830 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22831 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22832 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22833 not already defined.
22835 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22837 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22838 of n_popped when call/call_value are not defined.
22840 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22842 * tm.texi: GNU CC -> GCC conversion.
22843 (CC1_SPEC): Indicate it is used for all language front ends.
22845 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22847 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22848 NOTE_INSN_EH_REGION_END correctly.
22850 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22851 Jeff Law <law@cygnus.com>
22853 * loop.c (strength_reduce): Automatically unroll loops if the
22854 unrolled loop size is smaller than the rolled loop size.
22856 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22857 and delete comment that code should be rewritten.
22859 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22861 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22864 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22866 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22868 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22869 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22870 (LINK_SPEC): Add -u _main when building executables.
22871 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22872 (ASM_FILE_END): Use the default for ix86-pe.
22873 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22875 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22877 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22878 and ASM_CLOSE_PAREN are empty strings.
22880 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22881 Geoffrey Keating <geoffk@cygnus.com>
22883 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22884 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22885 (unprotoize.o): Ditto.
22886 (test-protoize-simple): Don't define STD_PROTO_DIR.
22887 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22888 changes to make 'test-protoize-simple' pass.
22889 (STD_PROTO_DIR): Remove define.
22890 (STANDARD_EXEC_PREFIX): Supply default define.
22891 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22892 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22893 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22894 (GET_ENV_PATH_LIST): New macro.
22895 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22896 (do_processing): Initialize default_syscalls_dir using new
22897 macros. Use it to initialize syscalls_absolute_filename.
22899 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22901 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22902 B into a register before emit_conditional_move.
22904 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22906 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22907 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22908 multiplicand out of (+ (* a b) (* c d)).
22910 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22911 Richard Henderson <rth@cygnus.com>
22913 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22914 (new_insn_dead_notes): Likewise.
22915 (update_n_sets): Likewise.
22916 (update_flow_info): Move to flow.c, renamed to update_life_info;
22917 extend to handle multiple source insns.
22918 * flow.c: Include resource.h
22919 (unlink_insn_chain): New.
22920 (split_hard_reg_notes): New.
22921 (maybe_add_dead_note): New.
22922 (maybe_add_dead_note_use): New.
22923 (find_insn_with_note): New.
22924 (new_insn_dead_notes): New.
22925 (update_n_sets): New.
22926 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22927 (maybe_remove_dead_notes): New.
22928 (update_life_info): New.
22929 (prepend_reg_notes): New.
22930 (replace_insns): New.
22931 * output.h (update_life_info): Declare.
22932 * recog.c (split_block_insns): Use update_life_info.
22933 * resource.c (find_free_register): Use reg_alloc_order, don't use
22934 fixed regs, make sure the mode is supported, don't use new regs.
22936 * rtl.h (replace_insns): Declare.
22938 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22940 * expr.c (expand_expr): Cope with COND_EXPRs with one
22941 non-returning branch.
22943 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22945 * expr.c (store_expr): Always pass down the target, even when not
22948 1999-08-24 Nick Clifton <nickc@cygnus.com>
22950 * configure.in: Define target_cpu_default for v850 targets.
22951 * configure: Regenerate
22953 * config/v850/v850.h (TARGET_CPU_generic): Define.
22954 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22955 addresses are 4 byte aligned.
22957 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22960 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22962 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22963 (main): Add prototypes.
22965 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22966 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22967 (write_attr_get): Emit prototypes along with function definition.
22968 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22969 (write_complex_function): Emit static prototype along with
22970 function definition.
22972 * genemit.c (gen_split): Emit prototypes along with function
22975 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22976 Likewise for predicates and `insn_operand_predicate'.
22977 (process_template): Emit static prototype along with function
22980 * genrecog.c (make_insn_sequence): Constify a char*. Add
22981 prototypes for get_split_*().
22982 (write_subroutine): Emit prototypes along with function
22985 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22987 * gcse.c (find_avail_set): Follow chains of register-register copies.
22988 Use oprs_not_set_p to guarantee that the returned value can be
22990 (cprop_insn): Don't verify the return value of find_avail_set with
22993 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22994 (cprop_cc0_jump): New function.
22995 (cprop_insn): Break out new function cprop_jump and use it.
22996 Also use cprop_cc0_jump for machines with CC0.
22997 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22999 * tree.h (current_function_calls_setjmp,
23000 current_function_calls_longjmp): Delete declarations.
23001 * dsp16xx.c: Include "function.h".
23002 * elxsi.c: Likewise.
23003 * gmicro.c: Likewise.
23004 * h8300.c: Likewise.
23005 * i370.c: Likewise.
23006 * m32r.c: Likewise.
23007 * mn10200.c: Likewise.
23008 * mn10300.c: Likewise.
23009 * ns32k.c: Likewise.
23010 * spur.c: Likewise.
23011 * v850.c: Likewise.
23013 * rtl.h (rtx_equal_function_value_matters): Declare.
23014 * toplev.c (rtx_equal_function_value_matters): Don't declare.
23016 * function.c: Likewise.
23017 * emit-rtl.c: Likewise.
23019 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
23021 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
23024 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23026 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
23029 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
23031 * cpp.texi: Add a node documenting macro varargs (copied
23034 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
23036 * cppspec.c: Put a null pointer at the end of the new argv.
23038 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
23040 * configure.in: Remove code to select/de-select the haifa
23041 scheduler. Every scheduled port gets haifa now.
23042 * configure: Rebuilt.
23043 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
23045 * Makefile.in: Corresponding changes.
23047 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23049 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
23050 All callers changed.
23051 (prepare_float_lib_cmp): Likewise.
23052 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
23053 * expr.h (emit_float_lib_cmp): Delete declaration.
23054 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
23055 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
23056 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
23058 (cmptf): Now conditional on TARGET_HARD_QUAD.
23060 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
23062 * resource.c (mark_target_live_regs): Use
23063 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
23065 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23067 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
23069 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
23071 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
23073 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23075 * rtl.h (rtx_format): Constify a char*.
23077 * rtl.c (rtx_format): Likewise.
23078 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
23079 (init_rtl): Use accessor macro, not `rtx_format'.
23081 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
23084 * caller-save.c (mark_referenced_regs): Likewise.
23086 * combine.c (subst, make_compound_operation, known_cond,
23087 gen_rtx_combine, update_table_tick, get_last_value_validate,
23088 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
23090 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
23091 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
23092 count_reg_usage): Likewise.
23094 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
23097 * final.c (leaf_renumber_regs_insn): Likewise.
23099 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
23100 dump_edge_info, count_reg_references): Likewise.
23102 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
23103 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
23106 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
23107 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
23108 add_label_notes): Likewise.
23110 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
23111 clear_struct_flag, count_sub_rtxs, count_alternatives,
23112 compares_alternatives_p, contained_in_p, walk_attr_value,
23113 write_expr_attr_cache): Likewise.
23115 * genconfig.c (walk_insn_part): Likewise.
23117 * genemit.c (max_operand_1, gen_exp): Likewise.
23119 * genextract.c (walk_rtx): Likewise.
23121 * genflags.c (num_operands): Likewise.
23123 * genoutput.c (scan_operands): Likewise.
23125 * genpeep.c (match_rtx): Likewise.
23127 * genrecog.c (add_to_sequence): Likewise.
23129 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
23132 * integrate.c (save_constants, copy_for_inline,
23133 copy_rtx_and_substitute, subst_constants, restore_constants):
23136 * jump.c (mark_jump_label, invert_exp, redirect_exp,
23137 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
23139 * local-alloc.c (contains_replace_regs, memref_referenced_p):
23142 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
23143 add_label_notes, replace_call_address, count_nonfixed_reads,
23144 invariant_p, find_single_use_in_loop, find_mem_givs,
23145 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
23148 * print-rtl.c (reg_names, print_rtx): Likewise.
23150 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
23152 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
23153 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
23154 print_blocks): Likewise.
23156 * regclass.c (fix_register, record_address_regs,
23157 reg_scan_mark_refs): Likewise.
23159 * regmove.c (stable_but_for_p): Likewise.
23161 * reload.c (loc_mentioned_in_p, operands_match_p,
23162 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
23163 copy_replacements, refers_to_regno_for_reload_p,
23164 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
23165 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
23168 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
23169 delete_address_reloads_1, count_occurrences,
23170 reload_cse_mem_conflict_p, reload_combine_note_use,
23171 add_auto_inc_notes): Likewise.
23173 * resource.c (mark_referenced_resources, mark_set_resources):
23176 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
23177 reg_mentioned_p, regs_set_between_p, modified_between_p,
23178 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
23179 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
23180 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
23181 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
23183 * sched.c (sched_analyze_2, attach_deaths): Likewise.
23185 * stupid.c (stupid_mark_refs): Likewise.
23187 * unroll.c (remap_split_bivs): Likewise.
23189 * varasm.c (mark_constants): Likewise.
23191 * a29k/a29k.c (uses_local_reg_p): Likewise.
23193 * alpha/alpha.c (summarize_insn): Likewise.
23195 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
23196 eliminate_lr2ip): Likewise.
23198 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
23200 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
23201 reg_mentioned_in_mem): Likewise.
23203 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
23204 symbolic_reference_mentioned_p): Likewise.
23206 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
23208 * sh/sh.c (regs_used, mark_use): Likewise.
23210 * vax/vax.c (vax_rtx_cost): Likewise.
23212 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23214 * machmode.h (mode_name): Constify a char*.
23216 * rtl.c (mode_name): Likewise.
23218 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
23220 * optabs.c (init_libfuncs): Constify a char*.
23222 * print-tree.c (mode_name): Remove redundant declaration.
23223 (print_node): Use accessor macro, not `mode_name'.
23225 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
23227 (new_spill_reg): Constify a char*.
23229 * tree.c (mode_name): Remove redundant declaration.
23231 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23233 * rtl.c (rtx_name): Constify a char*.
23235 * rtl.h (rtx_name, fix_sched_param): Likewise.
23237 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23238 (mypr): Use accessor macro, not `rtx_name'.
23240 * genemit.c (print_code): Constify a char*.
23242 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23244 * genpeep.c (print_code): Constify a char*.
23246 * genrecog.c (print_code): Likewise.
23248 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23249 end_bb): Add static prototype.
23250 (draw_edge): Constify a char*.
23251 (end_bb): Remove unused parameter.
23253 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23254 print_block_visualization): Constify a char*.
23256 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23258 * c-common.c (c_get_alias_set): Update comment.
23260 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23262 * linux.h (LIB_SPEC): Added.
23264 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23266 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23268 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23270 * tree.c (expr_check): Fix typo in last change.
23272 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23274 * rtl.def (NOTE): Change format to "iuu0n".
23275 (ADDR_DIFF_VEC): Change format to "eEee0".
23276 (ADDRESSOF): Change format to "eit".
23278 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23279 (RTVEC_ELT): Change to match.
23280 (XVECEXP): Use XVEC and RTVEC_ELT.
23281 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23282 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23283 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23284 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23285 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23286 (INTVAL): Use XWINT.
23287 (ADDRESSOF_DECL): Use XTREE.
23288 (SET_ADDRESSOF_DECL): Delete.
23289 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23290 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23291 ifdefed out since 2.6 at least.
23292 (gen_rtvec_vv): Delete prototype.
23294 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23296 (copy_most_rtx): Handle 't' format letter.
23297 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23298 (gen_rtvec_vv): Delete function. All callers changed to use
23299 gen_rtvec_v instead.
23300 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23301 the '0' format letter.
23303 * function.c (gen_mem_addressof): Don't use
23304 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23306 * integrate.c (copy_rtx_and_substitute): Likewise.
23307 Copy 't' slots with XTREE.
23308 (subst_constants): Treat 't' slots like '[swi]' slots.
23309 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23310 * jump.c (rtx_equal_for_thread_p): Likewise.
23311 * rtlanal.c (rtx_equal_p): Likewise.
23312 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23313 only four arguments.
23314 * gengenrtl.c (type_from_format): Provide correct types for
23318 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23319 If a recent gcc is in use (always in stage2 and beyond), use
23320 statement expressions, so we don't make a function call unless
23321 the check fails. Evaluate arguments exactly once.
23322 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23323 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23325 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23326 they evaluate their arguments exactly once, irrespective of
23327 the compiler in use.
23329 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23330 is used by the currently-enabled check macros. This is:
23331 (tree_check_failed, tree_class_check_failed): For gcc.
23332 (tree_check, tree_class_check, cst_or_constructor_check,
23333 expr_check): For other compilers.
23335 * gencheck.c: Do not define any *_CHECK1 macros.
23337 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23338 Mark Mitchell <mark@codesourcery.com>
23340 * c-common.c (c_get_alias_set): Fix support for poitners and
23343 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23345 * alias.c: Include tree.h.
23346 (nonlocal_reference_p, mark_constant_function): New functions.
23347 * flow.c (life_analysis): Call mark_constant_function.
23348 * rtl.h (mark_constant_function): Declare it.
23350 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23352 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23353 unrecognisable switches.
23355 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23357 * loop.c (recombine_givs): Set ix field after sorting.
23358 (recombine_givs): Remove bogus index / giv lockstep looping.
23360 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23362 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23364 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23365 (do_cmp_and_jump): Formatting fixes.
23366 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23367 do_compare_rtx_and_jump instead of compare_from_rtx.
23368 (do_compare_rtx_and_jump): New function; mostly copied from
23370 (do_jump_for_compare): Delete.
23371 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23373 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23374 of compare/do_jump_for_compare pairs.
23375 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23376 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23377 compare_from_rtx/do_jump_for_compare pairs.
23378 (do_jump_by_parts_equality): Likewise.
23379 (do_jump_by_parts_equality_rtx): Likewise.
23380 * expr.h (do_compare_rtx_and_jump): Declare.
23381 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23382 that used to be in emit_cmp_insn.
23383 (cmp_available_p): New function.
23384 (prepare_operand): New function.
23385 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23386 to be in emit_cmp_insn.
23387 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23388 parameters to be pointers; don't emit final compare but modify some of
23389 the values pointed to by the args so the caller can perform the
23390 correct comparison.
23391 (expand_binop): Call emit_store_flag_force with signed forms of
23393 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23394 emit_jump_insn pair.
23395 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23396 emit_cmp_and_jump_insn_1. Call emit_queue.
23397 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23399 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23400 jump sets cc0 before deleting it.
23401 * integrate.c (expand_inline_function): Likewise.
23402 * unroll.c (unroll_loop): Similar changes in several places.
23403 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23404 before deleting it.
23406 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23408 * Makefile.in (insn-recog.o): Update dependencies.
23409 * genrecog.c (main): Make generated file include "function.h".
23411 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23413 * cse.c (cse_insn): Call never_reached_warning when a jump is
23414 changed to be unconditional.
23415 * flags.h: Declare warn_notreached.
23416 * flow.c (delete_block): Call never_reached_warning when
23417 a block is deleted.
23418 * jump.c (delete_barrier_successors): Call never_reached_warning
23419 when we delete everything after a BARRIER.
23420 (never_reached_warning): New function.
23421 * rtl.h: Declare never_reached_warning.
23422 * toplev.c (warn_notreached): New variable.
23423 (lang_independent_options): Set warn_notreached
23424 when -Wunreachable-code.
23425 (compile_file): We need line numbers for -Wunreachable-code.
23427 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23429 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23430 * sched.c (insn_unit): Likewise.
23432 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23434 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23436 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23438 * flow.c (create_edge_list): Use xmalloc, not malloc.
23440 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23442 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23443 C-style comments. Do not lose the character before double slash.
23445 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23447 * basic-block.h (struct edge_list): Stucture to maintain a vector
23449 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23450 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23451 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23452 New function prototypes.
23453 * flow.c (create_edge_list): Function to create an edge list.
23454 (free_edge_list): Discards memory used by an edge list.
23455 (print_edge_list): Debug output showing an edge list.
23456 (verify_edge_list): Internal consistency check for an edge list.
23457 (find_edge_index): Function to find an edge index for a pred and succ.
23459 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23461 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23464 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23466 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23468 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23470 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23472 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23474 * toplev.c (rest_of_compilation): Allow machine dependent
23475 reorganisation pass to place information into the RTL dump
23476 file if it so wishes.
23478 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23480 * explow.c (hard_function_value): Use VOIDmode instead of
23482 * stmt.c (expand_return): Likewise.
23483 * stor-layout.c (get_best_mode): Likewise.
23485 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23486 emit call instead of emit_insn call.
23488 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23490 * configure.in: Handle --disable/enable-win32-registry.
23491 * install.texi: Document --disable/enable-win32-registry.
23492 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23493 (WIN32_REGISTRY_KEY): New macro.
23494 * prefix.c: Use to enable/disable win32-specific code.
23495 (lookup_key): Use versioned key.
23496 * configure: Regenerate.
23497 * config.in: Likewise.
23499 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23501 * cpplib.c (read_line_number): New fn, split out of...
23504 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23506 tree.c (lang_unsave_expr_now) : New.
23507 (unsave_expr_now): Call lang_unsave_expr_now.
23508 tree.h (lang_unsave_expr_now) : New.
23510 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23512 * toplev.c (flag_new_exceptions): On by default.
23514 1999-08-13 Michael Meissner <meissner@cygnus.com>
23516 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23518 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23520 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23521 INTEGER_TYPE with precision==1, it's __java_boolean.
23523 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23525 * global.c (prune_preferences): Move some invariants out of the
23528 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23530 * configure.in (alpha*-dec-osf*): Add osf5.
23532 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23534 * configure.in: Rework handling of ARM GNU/Linux slightly.
23535 (arm*-*-linux-gnuoldld): New target.
23536 * configure: Regenerate.
23537 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23538 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23539 * config/arm/linux-oldld.h: New file.
23540 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23541 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23543 * config/arm/linux-elf.h (ASM_SPEC): Define.
23544 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23545 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23546 for 26-bit APCS and old linker.
23547 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23549 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23550 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23551 don't define `arm' or `arm_elf'.
23552 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23553 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23555 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23557 * rtl.texi: Fix typo.
23559 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23561 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23563 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23565 * extend.texi (C++ Signatures): Remove node.
23566 * invoke.texi: Remove discussion of -fhandle-signatures,
23567 signature, sigof, __signature__, and __sigof__.
23569 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23571 * Makefile.in (JAVAGC): Removed.
23573 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23575 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23577 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23579 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23581 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23583 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23584 a register that is already known to be a pointer.
23586 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23588 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23589 * fixinc/inclhack.sh: Regenerated.
23590 * fixinc/fixincl.sh: Regenerated.
23592 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23594 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23595 Fix documentation of -ansi flag to describe its C++ behavior.
23596 Remove bogus reference to GCC 2.9.
23598 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23600 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23601 note if it is non-NULL.
23603 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23605 * except.h (eh_nesting_info): Add new structure defintion.
23606 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23607 (reachable_handlers, update_rethrow_references): Add function
23609 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23610 a rethrow symbol instead of an integer exception region number.
23611 * flow.c (Make_edges): Use new exception nesting routines to determine
23612 which handlers are reachable from a CALL or asynchronous insn.
23613 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23615 (delete_eh_regions): Update rethrow labels, and don't delete
23616 regions which are the target of a rethrow.
23617 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23618 avoid overloading the SYMBOL_REF_USED flag.
23619 (rethrow_symbol_map): Use new rethrow_ref field.
23620 (rethrow_used): Use new rethrow_ref field.
23621 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23622 of an integer. Fix formatting.
23623 (output_exception_table_entry): Use new rethrow_ref field.
23624 (can_throw): Check for EH_REGION_NOTE before deciding
23625 whether a CALL can throw or not.
23626 (scan_region): Call rethrow_used() instead of accessing data structure.
23627 (update_rethrow_references): New function to make sure only regions
23628 which are still targets of a rethrow are flagged as such.
23629 (process_nestinfo): New static function to initialize a handler
23630 list for a specific region.
23631 (init_eh_nesting_info): New function to allocate and initialize
23632 the list of all EH handlers reachable from all regions.
23633 (reachable_handlers): New function to retrieve the list of handlers
23634 reachable from a specific region and insn.
23635 (free_eh_nesting_info): New function to dispose of a list of
23636 reachable handlers.
23638 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23640 * flow.c (split_edge): Set JUMP_LABEL field.
23641 (commit_one_edge_insertion): Set head correctly for insert_before.
23642 When inserting insns, update insn block numbers if allocated.
23644 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23646 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23647 retry_incomplete_types): Add static prototype.
23648 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23649 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23650 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23651 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23652 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23655 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23656 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23658 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23660 * output.h (assemble_name): Constify a char*.
23662 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23663 assemble_variable, assemble_name): Likewise.
23665 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23667 * arm/pe.c (arm_pe_unique_section): Likewise.
23669 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23671 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23673 * i386/interix.c (i386_pe_unique_section): Likewise.
23675 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23677 * i386/winnt.c (i386_pe_unique_section): Likewise.
23679 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23681 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23683 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23685 * pa/pa.c (output_call): Likewise.
23687 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23689 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23691 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23694 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23697 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23699 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23700 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23702 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23704 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23706 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23708 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23710 * tree.h (lang_identify): Constify a char*.
23711 (print_error_function): Add extern prototype. Constify a char*.
23713 * c-lang.c (lang_identify): Constify a char*.
23715 * objc/objc-act.c (lang_identify): Constify a char*.
23717 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23719 * genpeep.c (main): Make generated file include "function.h".
23720 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23722 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23724 * Makefile.in: Update dependencies.
23725 * alias.c: Include "function.h"
23726 * c-decl.c: Likewise.
23727 * caller-save.c: Likewise.
23728 * calls.c: Likewise.
23729 * combine.c: Likewise.
23731 * explow.c: Likewise.
23732 * final.c: Likewise.
23733 * global.c: Likewise.
23734 * graph.c: Likewise.
23735 * local-alloc.c: Likewise.
23736 * loop.c: Likewise.
23737 * optabs.c: Likewise.
23738 * profile.c: Likewise.
23739 * recog.c: Likewise.
23740 * regclass.c: Likewise.
23741 * regmove.c: Likewise.
23742 * reload.c: Likewise.
23743 * reorg.c: Likewise.
23744 * resource.c: Likewise.
23745 * sched.c: Likewise.
23746 * stupid.c: Likewise.
23747 * config/1750a/1750a.c: Likewise.
23748 * config/a29k/a29k.c: Likewise.
23749 * config/arc/arc.c: Likewise.
23750 * config/arm/arm.c: Likewise.
23751 * config/arm/thumb.c: Likewise.
23752 * config/c4x/c4x.c: Likewise.
23753 * config/clipper/clipper.c: Likewise.
23754 * config/convex/convex.c: Likewise.
23755 * config/fx80/fx80.c: Likewise.
23756 * config/i860/i860.c: Likewise.
23757 * config/m68k/m68k.c: Likewise.
23758 * config/m88k/m88k.c: Likewise.
23759 * config/mips/mips.c: Likewise.
23760 * config/pdp11/pdp11.c: Likewise.
23761 * config/pyr/pyr.c: Likewise.
23762 * config/romp/romp.c: Likewise.
23763 * config/sh/sh.c: Likewise.
23764 * config/tahoe/tahoe.c: Likewise.
23765 * config/vax/vax.c: Likewise.
23766 * config/we32k/we32k.c: Likewise.
23767 * config/sparc/sparc.c: Include "function.h".
23768 (mem_min_alignment): Test current_function rather than
23769 regno_pointer_align.
23770 * config/pa/pa.c: Likewise.
23771 (compute_frame_size): Delete declaration of
23772 current_function_outgoing_args_size.
23773 * config/arc/arc.h (current_function_varargs): Delete declaration.
23774 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23776 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23778 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23779 current_function_uses_pic_offset_table.
23780 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23781 of current_function_returns_pointer.
23782 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23783 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23784 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23785 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23786 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23787 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23788 * config/m88k/m88k.c: Include "function.h"
23789 (call_used_regs, current_function_pretend_args_size,
23790 current_function_outgoing_args_size, frame_pointer_needed): Delete
23792 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23794 * config/mips/mips.h (current_function_calls_alloca): Delete
23796 * config/mn10200/mn10200.h (current_function_needs_context,
23797 rtx_equal_function_value_matters): Delete declarations.
23798 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23799 flag_pic): Delete declarations.
23800 * config/pa/pa.h (current_function_pretend_args_size,
23801 current_function_decl): Delete declarations.
23802 * config/pa/som.h (current_function_varargs): Delete declaration.
23803 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23805 * config/pyr/pyr.h (current_function_pretend_args_size,
23806 current_function_args_size, current_function_calls_alloca): Delete
23808 * config/sh/sh.h (current_function_varargs): Delete declaration.
23809 * config/sparc/sparc.h (current_function_outgoing_args_size,
23810 current_function_calls_alloca, current_function_decl): Delete
23812 * config/spur/spur.h (current_function_pretend_args_size,
23813 current_function_calls_alloca): Delete declarations.
23814 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23816 * config/vax/vms.h (current_function_name): Delete declaration.
23817 * gcse.c: Include "function.h".
23818 (current_function_name, current_function_calls_setjmp): Delete
23820 * haifa-sched.c: Include "function.h".
23821 (forced_labels): Delete declaration.
23822 * jump.c: Likewise.
23823 * reg-stack.c: Likewise.
23824 * reload1.c: Likewise.
23825 * genemit.c (main): Make generated file include function.h.
23826 * genoutput.c (output_prologue): Likewise.
23828 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23829 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23830 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23831 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23832 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23833 macros for some of them.
23834 (emit_filename, emit_lineno): Delete declarations.
23835 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23836 regno_pointer_* variables through current_function.
23837 (gen_inline_header_rtx): Delete function.
23838 (save_emit_status): Delete function.
23839 (set_new_last_label_num): New function.
23840 (clear_emit_caches): New function.
23841 (restore_emit_status): Just clear last_labelnum and call
23843 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23844 through macro seq_stack.
23845 (add_insn_after): Likewise.
23846 (add_insn_before): Likewise.
23847 (remove_insn): Likewise.
23848 (pop_topmost_sequence): Likewise.
23849 (in_sequence_p): Likewise.
23850 (start_sequence_for_rtl_expr): Likewise.
23851 (start_sequence): Likewise, and likewise for
23852 sequence_rtl_expr/seq_rtl_expr.
23853 (push_topmost_sequence): Likewise.
23854 (end_sequence): Likewise.
23855 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23856 All callers changed. Store into that pointer instead of globals.
23857 (init_emit): Allocate emit elt of current_function.
23858 Changes for sequence_rtl_expr/sequence_stack renaming.
23859 Call clear_emit_caches instead of doing it in-line.
23860 Access regno_pointer_* variables through current_function.
23861 (init_emit_once) Don't clear sequence_stack.
23863 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23865 (arg_pointer_save_area): Delete declaration.
23866 (finish_expr_for_function): Renamed from init_queue; no longer static.
23867 (init_expr): Don't call init_queue.
23868 (save_expr_status, restore_expr_status): Delete functions.
23869 (expand_expr): Changes to reflect new layout of struct function.
23870 Don't access current_function_check_memory_usage when current_function
23872 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23873 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23874 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23875 current_function_uses_const_pool, function_call_count,
23876 current_function_uses_pic_offset_table, nonlocal_labels,
23877 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23878 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23879 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23881 (finish_expr_for_function): Declare.
23882 * flags.h (current_function_has_nonlocal_label,
23883 current_function_has_nonlocal_goto, current_function_is_thunk,
23884 current_function_has_computed_jump): Delete declarations.
23885 * flow.c (forced_labels): Delete declaration.
23886 * function.c (current_function_pops_args,
23887 current_function_returns_struct, current_function_returns_pcc_struct,
23888 current_function_needs_context, current_function_calls_setjmp,
23889 current_function_calls_longjmp, current_function_has_nonlocal_label,
23890 current_function_has_nonlocal_goto, current_function_is_thunk,
23891 current_function_has_computed_jump, current_function_calls_alloca,
23892 current_function_contains_functions, current_function_returns_pointer,
23893 current_function_epilogue_delay_list, current_function_args_size,
23894 current_function_pretend_args_size, current_function_arg_offset_rtx,
23895 current_function_outgoing_args_size, current_function_varargs,
23896 current_function_stdarg, current_function_args_info, cleanup_label,
23897 current_function_name, current_function_uses_const_pool,
23898 current_function_instrument_entry_exit, current_function_return_rtx,
23899 current_function_uses_pic_offset_table, nonlocal_labels,
23900 current_function_internal_arg_pointer, current_function_cannot_inline,
23901 current_function_check_memory_usage, function_call_count,
23902 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23903 nonlocal_goto_stack_level, return_label, save_expr_regs,
23904 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23905 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23906 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23907 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23908 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23910 (push_function_context_to): Don't save them. Don't call
23911 save_storage_status, save_emit_status or save_expr_status.
23912 (pop_function_context_from): Don't restore them. Don't call
23913 restore_storage_status or restore_expr_status.
23914 (get_func_frame_size): New function.
23915 (get_frame_size): Use it.
23916 (assign_outer_stack_local): Reflect some member name changes in struct
23918 (put_reg_into_stack): Likewise.
23919 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23921 (fixup_var_refs): Likewise.
23922 (fix_lexical_addr): Likewise.
23923 (trampoline_address): Likewise.
23924 (prepare_function_start): Clear field inlinable of current_function.
23925 (init_function_for_compilation): New function.
23926 (expand_dummy_function_end): New function.
23927 (expand_function_end): Call finish_expr_for_function.
23928 * function.h (struct emit_status): New; fields moved here from struct
23929 function and from global variables. Add accessor macros for some of
23931 (struct expr_status): Likewise.
23932 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23933 (struct function): Add fields expr and emit, inlinable, inl_emit,
23934 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23935 inl_max_label_num. Add many comments.
23936 Add accessor macros for all elts of struct function that no longer
23937 have a global variable.
23938 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23939 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23940 stack_slot_list): Delete declarations.
23941 (get_func_frame_size): Declare.
23942 (save_expr_status, restore_expr_status, save_emit_status,
23943 save_storage_status, restore_storage_status): Delete declarations.
23944 (init_virtual_regs): Declare.
23945 * output.h (current_function_pops_args,
23946 current_function_returns_struct, current_function_returns_pcc_struct,
23947 current_function_needs_context, current_function_calls_setjmp,
23948 current_function_calls_longjmp, current_function_calls_alloca,
23949 current_function_has_nonlocal_label, current_function_varargs,
23950 current_function_has_computed_jump, current_function_returns_pointer,
23951 current_function_contains_functions, current_function_args_size,
23952 current_function_pretend_args_size, current_function_stdarg,
23953 current_function_outgoing_args_size, current_function_args_info,
23954 current_function_name, current_function_return_rtx,
23955 current_function_epilogue_delay_list,
23956 current_function_uses_const_pool, current_function_cannot_inline):
23957 Delete declarations.
23958 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23959 regno_reg_rtx): Delete declaration.
23960 (REGNO_POINTER_FLAG): Delete macro.
23961 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23962 function were renamed.
23963 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23965 * toplev.c: Include "function.h".
23966 (current_function_decl): Delete declaration.
23967 (compile_file): Call init_dummy_function_start and
23968 expand_dummy_function_end around some initializations that need to
23970 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23971 Call init_function_for_compilation.
23972 * unroll.c: Include "function.h"
23973 (unroll_loop): Access regno_pointer_* variables through
23976 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23977 (DECL_SAVED_INSNS): use it.
23978 (expand_dummy_function_end): Declare.
23979 (init_function_for_compilation): Declare.
23980 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23981 that it's no longer an INLINE_HEADER.
23982 (expand_call): Likewise.
23983 * integrate.c (finish_inline): Delete function.
23984 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23985 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23986 args. Don't generate an INLINE_HEADER rtx, just return the arg
23987 vector. All callers changed.
23988 (save_for_inline_copying): Create a duplicate struct emit_status to
23989 hold the emit state for compiling the current function. Use this and
23990 the other new fields in struct function that are for integration
23991 instead of an INLINE_HEADER.
23992 Use memcpy instead of bcopy.
23993 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23994 (save_for_inline_nocopy): Similar changes, except no new emit_status
23996 (expand_inline_function): Get information from function structure,
23997 not from an inline header rtx.
23998 (output_inline_function): Lose code to extract the necessary
23999 information from an inline header; simply put back the function
24000 structure into current_function. Clear its inlinable elt.
24001 * rtl.def (INLINE_HEADER): Delete.
24002 * rtl.h: Delete all accessors for an INLINE_HEADER.
24003 (gen_inline_header_rtx): Delete declaration.
24004 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
24005 Delete declarations.
24006 (REGNO_POINTER_ALIGN): Delete.
24007 (clear_emit_caches): Declare.
24008 (set_new_last_label_num): Declare.
24010 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
24012 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
24014 * except.c (expand_eh_region_start_for_decl): Always start a new block.
24015 * stmt.c (is_eh_region): Make sure current_function is present, too.
24017 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
24019 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
24020 for 64bit PA targets.
24022 * pa.h (SELECT_SECTION): Define.
24023 * som.h (SELECT_SECTION): Delete.
24025 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24027 * alias.c (init_alias_analysis): Wrap call to
24028 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
24030 1999-08-07 Bruce Korb <autogen@linuxbox.com>
24032 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
24033 <sys/asm.h> contains an asm comment with an apostrophe
24034 * fixinc/inclhack.sh: regen
24035 * fixinc/fixincl.x: regen
24037 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
24039 * function.c (init_function_start): Clear prologue & epilogue.
24040 (prologue_epilogue_contains): New function.
24041 * alias.c (init_alias_analysis): Use it.
24042 * rtl.h (prologue_epilogue_contains): Declare it.
24044 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
24046 * jump.c (onlyjump_p): New function.
24047 * rtl.h: Declare it.
24048 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
24049 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
24051 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
24053 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
24054 to invert loops. Simplify block scanning.
24056 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24058 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
24059 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
24061 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
24063 * config/sparc/liteelf.h: New file to support sparclite-elf target
24064 * config/sparc/t-sp86x: New file to support sparc86x targets
24065 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
24066 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
24067 * configure.in: Support above target triplets
24068 * configure: Regenerated
24070 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
24072 * fixinc/server.c (server_setup): Do not prefix function used as
24073 parameter with `&'.
24075 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
24077 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
24078 Remove fp reg alternatives.
24080 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
24082 * Makefiin (TAROUTOPTS): Kill.
24083 (install-headers-tar): Use "xpf" for tar headerfile extraction
24084 * i370/x-oe (TAROUTOPTS): Delete.
24085 * m68k/x-apollo68 (TAROUTOPTS): Delete.
24086 * m68k/x-hp320 (TAROUTOPTS): Delete.
24087 * m68k/x-hp320g (TAROUTOPTS): Delete.
24088 * gcc.texi: Update bug reporting text.
24090 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24092 * reg-stack.c (change_stack) Fixed problem with negative array index.
24094 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
24096 * extend.texi, install.texi: Fix spelling mistakes.
24098 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
24099 (s-attrtab); No longer try to use pre-made insn-attrtab file.
24100 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
24101 PREMADE_ATTRTAB_MD.
24102 * mips/t-ecoff: Likewise.
24103 * mips/t-elf: Likewise.
24104 * mips/t-mips: Likewise.
24105 * mips/t-osfrose: Likewise.
24106 * mips/t-r3900: Likewise.
24107 * mips/t-svr3: Likewise.
24108 * mips/t-svr4: Likewise.
24109 * mips/t-ultrix: Likewise.
24111 * gcc.texi: Document recommend means to provide software floating
24112 point libraries in libgcc.a
24114 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
24116 * c-lex.c (yylex): We can have a number with no digits.
24118 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
24120 * jump.c (delete_prior_computation): New function, broken
24121 out of delete_computation. Check for side effects with
24122 side_effects_p instead of FIND_REG_INC_NOTE. Handle
24123 multi-word hard registers.
24124 (delete_computation): Use it. Check for side effects with
24125 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
24126 missing REG_DEAD note for a register which is both set and
24129 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
24131 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
24132 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
24133 (ASM_FILE_START): Import _mcount with the right type.
24134 (ASM_DECLARE_FUNCTION_NAME): Define.
24135 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
24136 * pa.c (output_function_prologue): Always emit the function's label
24138 * pa.h (TEXT_SPACE_P): Define.
24139 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24140 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
24141 * som.h (TEXT_SPACE_P): Delete.
24142 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24143 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
24145 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
24147 * expr.c (emit_group_load): Allow src to be a CONCAT.
24149 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24151 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
24152 (___mulsi3): Use '!' comment character.
24154 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24156 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
24158 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
24160 * gcc.c: Update URLs and mail addresses.
24161 * gcc.texi: Likewise.
24163 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
24165 * rs6000.c (current_file_function_operand): Return zero for
24167 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
24169 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
24172 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
24174 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
24175 allocate space in the stack frame for the PIC register.
24177 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
24179 * m68k.md (xordi3, anddi3): These patterns are not available on
24182 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
24184 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
24185 (PUT_REAL): Likewise.
24187 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24189 * final.c (shorten_branches): Don't add an alignment for loops
24190 that have no label inside.
24192 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24194 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
24195 prototypes in macro HAVE_cmpstrsi.
24197 * cpplib.c (cpp_get_token): Remove unused label `op3'.
24199 * emit-rtl.c (operand_subword): Remove unused variable
24202 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
24204 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
24206 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
24208 * cpphash.c (macroexpand): Delete leading whitespace when arg
24209 is concatenated before.
24210 (unsafe_chars): Correct test for whether + and - can extend a
24213 * cppinit.c (cpp_start_read): Do dependencies for
24214 -include/-imacros files also.
24216 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
24217 tokenizing non-directive lines.
24218 (cpp_expand_to_buffer): Temporarily disable no-output mode.
24219 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
24222 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24224 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
24226 * c-lex.c: Sync with C++ frontend.
24227 (linemode): New variable.
24228 (parse_float): imag, conversion_errno, and type are output only.
24229 (yylex): Adjust. Move initial '.' case into main switch.
24231 (handle_generic_pragma): Just deal with tokens.
24232 (readescape): Use ISXDIGIT and ISGRAPH.
24233 * c-parse.in: Add END_OF_LINE token.
24235 * c-lex.c (lang_init): Generalize.
24236 (nextchar): Remove. Replace uses with UNGETC.
24237 (skip_white_space): Handle linemode here. Optimize for cpplib.
24238 (skip_white_space_on_line): Remove.
24239 (extend_token_buffer_to): New fn.
24240 (extend_token_buffer): Use it.
24241 (read_line_number, check_newline): Just deal with tokens.
24242 (token_getch, token_put_back): New fns.
24243 (yylex): Use them. More cpplib optimizations. Simplify.
24245 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24246 Jason Merrill <jason@yorick.cygnus.com>
24248 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24249 (consume_string): Make this smart about USE_CPPLIB.
24250 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24251 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24252 Also, clean up cases where we redundantly set token_buffer[0].
24253 (read_line_number): New fn.
24254 (ignore_escape_flag): New variable.
24256 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24258 * a29k/t-a29kbare: Fix some comments.
24259 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24260 (FPBIT, DPBIT): Define.
24261 * a29k/t-vx29k: Likewise.
24262 * arc/t-arc: Likewise.
24263 * arm/t-arm-elf: Likewise.
24264 * arm/t-bare: Likewise.
24265 * arm/t-pe: Likewise.
24266 * arm/t-pe-thumb: Likewise.
24267 * arm/t-semi: Likewise.
24268 * arm/t-thumb: Likewise.
24269 * arm/t-thumb-elf: Likewise.
24270 * arm/t-thumb-linux: Likewise.
24271 * h8300/t-h8300: Likewise.
24272 * i960/t-i960: Likewise.
24273 * i960/t-vxworks960: Likewise.
24274 * m32r/t-m32r: Likewise.
24275 * mips/t-ecoff: Likewise.
24276 * mips/t-elf: Likewise.
24277 * mips/t-r3900: Likewise.
24278 * pa/t-pro: Likewise.
24279 * rs6000/t-aix43: Likewise.
24280 * rs6000/t-beos: Likewise.
24281 * rs6000/t-newas: Likewise.
24282 * rs6000/t-ppccomm: Likewise.
24283 * rs6000/t-rs6000: Likewise.
24284 * rs6000/t-winnt: Likewise.
24285 * rs6000/t-xnewas: Likewise.
24286 * rs6000/t-xrs6000: Likewise.
24287 * sh/t-sh: Likewise.
24288 * sparc/t-elf: Likewise.
24289 * sparc/t-sparcbare: Likewise.
24290 * sparc/t-sparclite: Likewise.
24291 * sparc/t-splet: Likewise.
24292 * v850/t-v850: Likewise.
24293 * mn10200/t-mn10200: Fix comments.
24294 * mn10300/t-mn10300: Likewise.
24296 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24297 dummy operand. Allocate a new pseudo for the dummy operand.
24298 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24300 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24302 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24304 * configure: Rebuilt.
24305 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24307 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24309 * recog.c (preproces_constraints): Zero recog_op_alt before
24310 processing the constraints.
24312 * arm.c (typedef minipool_node): Renamed from pool_node.
24313 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24314 (add_minipool_constant): New function.
24315 (dump_minipool): New function.
24316 (find_barrier): Remove special case for getting the insn size of
24317 an insn that references the constant pool.
24318 (minipool_fixup): New structure.
24319 (push_minipool_barrier): New function.
24320 (push_minipool_fix): New function.
24321 (note_invalid_constants): New function.
24322 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24323 (arm_reorg): Rewrite code to fix up the constant pool into a
24324 series of mini-pools embedded in the insn stream.
24325 (arm_output_epilogue): New function, made mainly from the body
24326 of output_func_epilogue.
24327 (output_func_epilogue): Move insn generation part of epilogue code
24328 to arm_output_epilogue.
24329 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24330 * arm.md (pool_range): New attribute.
24331 (zero_extendqidi2): Add attribute pool_range.
24332 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24333 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24334 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24335 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24336 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24337 (epilogue): New expand.
24338 (epilogue_insn): New insn. Call arm_output_epilogue.
24340 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24341 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24343 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24345 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24347 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24349 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24351 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24353 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24355 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24357 * global.c: Fix comment.
24359 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24361 * gcc.c (access_check): New static function.
24362 (find_a_file): Use it when searching a directory list.
24363 * collect2.c (find_a_file): Don't accept directories found when
24364 searching a directory list.
24366 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24368 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24369 function parameters with `&'.
24370 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24372 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24374 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24375 or tidy_fallthru_edge if the last insn in the block is not
24376 an unconditional jump or a simple conditional jump.
24378 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24380 * Makefile.in (c-decl.o): Depends on defaults.h.
24382 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24384 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24386 (CLASS_MAX_NREGS): Likewise.
24388 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24390 * cse.c (cse_insn): Fix dumb thinko in last change.
24392 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24394 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24397 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24399 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24400 test for sizes of passed and declared parameter types.
24402 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24404 * fixincludes: Fix the return type of bsearch, char* -> void*.
24406 * fixinc/inclhack.def: Likewise.
24408 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24410 * invoke.texi (-fdump-translation-unit): New option.
24412 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24414 * expr.h (PROMOTE_PROTOTYPES): Move ...
24415 * defaults.h: ... to here.
24416 * c-decl.c: Include defaults.h instead of expr.h.
24417 * c-typeck.c: Include defaults.h.
24419 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24421 * toplev.h (errorcount): Declare.
24422 (warningcount): Likewise.
24423 (sorrycount): Likewise.
24424 * c-lex.c (errorcount): Don't declare.
24425 * dwarf2out.c (errorcount): Don't declare.
24427 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24429 * config/libgloss.h: Add a note discouraging use with ELF.
24430 * configure.in: Don't use libgloss.h for ELF targets.
24431 Always use_collect2 on a.out targets.
24433 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24435 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24436 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24438 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24440 * loop.c (strength_reduce): When doing biv->giv conversion, update
24441 reg note of NEXT->insn.
24443 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24445 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24447 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24449 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24450 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24451 Ensure expr.h is included.
24452 * c-typecheck.c (convert_arguments): Ditto.
24454 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24456 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24457 * config/convex/convex.h: Ditto.
24458 * config/dsp16xx/dsp16xx.h: Ditto.
24459 * config/fx80/fx80.h: Ditto.
24460 * config/gmicro/gmicro.h: Ditto.
24461 * config/i370/i370.h: Ditto.
24462 * config/i386/i386.h: Ditto.
24463 * config/m32r/m32r.h: Ditto.
24464 * config/m68k/m68k.h: Ditto.
24465 * config/m88k/m88k.h: Ditto.
24466 * config/mips/mips.h: Ditto.
24467 * config/pa/pa.h: Ditto.
24468 * config/pyr/pyr.h: Ditto.
24469 * config/tahoe/tahoe.h: Ditto.
24470 * config/we32k/we32k.h: Ditto.
24472 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24473 based on arch size.
24475 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24477 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24480 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24482 1999-08-02 Richard Henderson <rth@cygnus.com>
24484 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24485 for the register spill block.
24486 (m32r_va_arg): New.
24487 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24488 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24490 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24491 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24492 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24494 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24496 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24497 MAX_WCHAR_TYPE defined in sparc.h.
24498 * config/sparc/linuxaout.h: Likewise.
24499 * config/sparc/linux64.h: Likewise.
24500 Also default to -mvis if CPU is UltraSPARC.
24502 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24504 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24505 (RTX_OK_FOR_OLO10): Likewise.
24506 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24507 %lo(), allow it in addresses...
24508 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24509 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24510 does not make sense.
24511 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24512 (sparc_output_scratch_registers): New function.
24513 (output_function_prologue, sparc_flat_output_function_prologue): Use
24515 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24517 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24518 * configure.in: Add check for .register pseudo-op support in as and
24519 check for offsetable %lo().
24520 * acconfig.h: Add templates for the above checks.
24521 * configure: Regenerate.
24523 1999-08-02 Richard Henderson <rth@cygnus.com>
24525 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24526 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24527 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24529 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24531 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24534 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24536 * config/float-sparc.h: New file.
24537 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24538 sparc-*-linux-gnu and sparc64-*-linux*.
24540 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24542 * rs6000.c (rs6000_va_list): Type is an array.
24543 (rs6000_va_start): Don't doubly adjust for varargs.
24544 (rs6000_va_arg): Evaluate long long GPR adjustment.
24546 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24548 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24549 -maix64 and -maix32.
24550 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24551 LINK_SPEC): Change appropriately.
24552 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24553 (u_short_cint_operand): Likewise.
24554 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24556 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24558 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24560 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24562 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24563 for type promotion.
24564 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24565 (non_add_cint_operand): Likewise.
24566 (logical_operand): Likewise.
24567 (non_logical_cint_operand): Likewise.
24568 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24569 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24570 (rs6000_select_rtx_section): Suppress warning.
24571 (small_data_operand): Suppress warning.
24572 (rs6000_got_register): Suppress warning.
24573 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24574 type, so `J' is generally the wrong constraint for a SImode value;
24576 (andsi3_internal2): Likewise.
24577 (andsi3_internal3): Likewise.
24578 (iorsi3_internal1): Likewise.
24579 (xorsi3_internal1): Likewise.
24581 (movsf_softfloat): Likewise.
24582 (scc insns): Likewise.
24583 (movsi+2): Preserve sign bits of SImode constant.
24584 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24585 (movdf+1): Sign-extend properly.
24586 (movdi_32+1): Sign-extend properly.
24587 (scc insns): Sign-extend properly.
24589 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24592 1999-08-02 Richard Henderson <rth@cygnus.com>
24594 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24595 -mcpu parsing code.
24596 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24597 * alpha.md (all fp insns): Likewise.
24599 1999-08-02 Nick Clifton <nickc@cygnus.com>
24601 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24604 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24606 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24607 pic_load_label generator directly.
24608 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24609 No longer a named pattern.
24611 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24613 * explow.c (force_reg): Call force_operand if X does not
24614 satisfy general_operand.
24616 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24618 * fix-header.c (main): When testing for CONTINUED, use string
24619 equality, not pointer equality.
24621 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24623 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24625 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24627 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24628 that has become an unconditional jump.
24630 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24631 (output_function_epilogue): Similarly.
24633 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24635 * tree.h (init_dummy_function_start): Declare.
24637 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24639 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24640 last_expr_type, last_expr_value, block_start_count, block_stack,
24641 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24642 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24643 dynamically in stmt elt of struct function for each function.
24644 (struct nesting): Rename function_call_count elt to n_function_calls,
24645 target_temp_slot_level to block_target_temp_slot_level. All users
24647 (struct stmt_status): New structure definition.
24648 Add many accessor macros for stmt_status elements which previously
24649 were global variables.
24650 (init_stmt_for_function): Allocate stmt elt for current_function.
24651 Reflect that block_start_count was renamed to
24652 current_block_start_count.
24653 (save_stmt_status, restore_stmt_status): Delete functions.
24654 (preserve_subexpressions_p): Don't access loop_stack when outside
24656 (expand_start_bindings): Reflect that block_start_count was renamed to
24657 current_block_start_count.
24658 (expand_fixup): Likewise.
24659 (expand_decl): Don't access block_stack when outside a function.
24660 (expand_decl_cleanup): Likewise.
24661 (expand_dcc_cleanup): Likewise.
24662 (expand_dhc_cleanup): Likewise.
24663 (expand_anon_union_decl): Likewise.
24664 (set_file_and_line_for_stmt): New function.
24665 (in_control_zone_p): New function.
24667 * function.h (struct function): Add new elt stmt.
24668 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24669 case_stack, nesting_stack, nesting_depth, block_start_count,
24670 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24671 emit_lineno, goto_fixup_chain.
24672 (save_eh_status, restore_eh_status, save_stmt_status,
24673 restore_stmt_status): Delete declarations.
24674 * function.c (push_function_context_to): Don't call save_stmt_status.
24675 (pop_function_context_to): Don't call restore_stmt_status.
24676 * tree.h (in_control_zone_p): Declare.
24677 * rtl.h (set_file_and_line_for_stmt): Declare.
24679 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24680 call set_file_and_line_for_stmt.
24682 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24684 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24685 Also update copyright.
24687 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24689 * c-pragma.c: Don't include "except.h".
24690 * emit-rtl.c: Likewise.
24691 * stor-layout.c: Likewise.
24692 * tree.c: Likewise.
24693 * varasm.c: Likewise.
24695 * flow.c: Include "function.h".
24696 * tree.h (init_dummy_function_start): Declare new function.
24698 * except.h (struct eh_status): New structure.
24699 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24701 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24702 catch_clauses, false_label_stack, caught_return_label_stack,
24703 protect_list, current_function_ehc): Add accessor macros for the
24704 corresponding fields in current_function->eh; delete declarations
24705 for all items that used to be declared here.
24706 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24707 catch_clauses, false_label_stack, caught_return_label_stack,
24708 protect_list, current_function_ehc): Delete variables.
24709 (init_eh_for_function): Allocate current_function->eh.
24710 (save_eh_status, restore_eh_status): Delete functions.
24712 * function.h (struct function): Add fields next_global and eh.
24713 Delete all exception handling related fields.
24714 * function.c (current_function): New variable.
24715 (all_functions): New variable.
24716 (push_function_context_to): Don't allocate a struct function,
24717 use current_function instead. Call init_dummy_function_start when
24718 outside a function. Clear current_function before returning.
24719 (pop_function_context_from): Restore current_function.
24720 Don't free the restored struct function.
24721 (prepare_function_start): New function.
24722 (init_dummy_function_start): New function.
24723 (init_function_start): Break out some code into prepare_function_start
24726 * stmt.c (save_stmt_status): Don't call save_eh_status.
24727 (restore_stmt_status): Don't call restore_eh_status.
24729 * Makefile.in: Update dependencies.
24731 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24733 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24734 of depending on a magic constant value. Update comments.
24735 (hppa_expand_prologue): Similarly.
24737 * pa.md (reload_indi, reload_outdi): Allow any register for the
24738 original reload register.
24740 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24742 * cccp.c (print_help): Change marcos to macros.
24744 1999-07-30 Richard Henderson <rth@cygnus.com>
24746 * c-typeck.c (initializer_constant_valid_p): Move ...
24747 * c-common.c (initializer_constant_valid_p): ... here. Use
24748 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24749 of label addresses.
24750 * c-common.h (initializer_constant_valid_p): Declare.
24751 * c-tree.h (initializer_constant_valid_p): Remove.
24753 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24755 * config/i386/sol2-c1.asm: Align the stack.
24756 * config/i386/sol2-gc1.asm: Likewise.
24758 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24760 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24761 -Asparclite for sparc86x.
24762 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24764 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24766 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24768 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24769 the user if using the non-default arch size in BI_ARCH configuration.
24770 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24772 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24773 Fix patterns so that they actually match.
24774 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24775 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24776 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24778 (mulsidi3): Reflect this in the expand.
24779 (smulsi3_highpart): Only on TARGET_ARCH32.
24780 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24781 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24782 (umulsidi3): Reflect this in the expand.
24783 (umulsi3_highpart): Only on TARGET_ARCH32.
24784 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24785 don't require g0 to be zero.
24786 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24787 ({,u}divsi3): New expands.
24788 ({,u}divsi3_sp64): New patterns.
24789 (after lshrdi3_v8plus): Four new patterns to help combiner
24790 optimizing nested mixed mode shifts.
24792 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24793 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24794 speed things up. Don't use them by default on plain v9 in 64bit
24795 mode, according to what SPAMv9 sais.
24797 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24798 top 32 bits of %[og][0-7] in signal handlers.
24799 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24801 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24803 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24804 (ashlsi3): Corresponding changes.
24806 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24808 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24810 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24812 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24814 * arm.h (Hint): Delete macro.
24815 Substitute HOST_WIDE_INT for Hint in some prototypes.
24816 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24818 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24820 * builtins.c (expand_builtin_setjmp): Use force_operand to
24821 make sure that the buffer address is in a suitable form to be
24822 passed to force_reg.
24824 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24826 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24829 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24831 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24832 proper mode in the condition string.
24833 (icacheflush, dcacheflush): Remove modes from match_operands.
24835 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24836 proper mode before using it.
24838 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24841 * pa.c (store_reg): Do not call add_high_const generator directly.
24842 (load_reg, set_reg_plus_d): Likewise.
24843 * pa.md (add_high_const): No longer a named pattern.
24845 * pa.c (legitimize_address): Consistently use Pmode rather than
24846 SImode. Do not call gen_pic2_highpart directly anymore.
24847 * pa.md (pic2_highpart): No longer a named pattern.
24848 (pic2_lo_sum): Similarly. Reformat to make more readable.
24850 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24855 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24857 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24859 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24861 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24862 and tag the spill mems.
24863 (hppa_va_start): New.
24864 (hppa_va_arg): New.
24865 * pa.h (EXPAND_BUILTIN_VA_START): New.
24866 (EXPAND_BUILTIN_VA_ARG): New.
24868 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24870 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24871 and tag the spill mems.
24872 (mn10300_va_start): New.
24873 (mn10300_va_arg): New.
24874 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24875 (EXPAND_BUILTIN_VA_ARG): New.
24877 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24879 * mn10200.c (mn10200_va_arg): New.
24880 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24882 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24884 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24885 rather than play with TREE_INT_CST_LOW.
24887 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24889 * config/arm/telf.h: Include dbxelf.h.
24890 (CPP_PREDEFINES): Only define if not already defined.
24891 (ASM_IDENTIFY_GCC): Likewise.
24892 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24893 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24894 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24896 (DBX_DEBUGGING_INFO): Don't define.
24897 * config/arm/linux-telf.h: New file.
24898 * config/arm/linux-tgas.h: New file.
24899 * config/arm/t-thumb-linux: New file.
24900 * config/arm/uclinux-elf.h: New file.
24901 * config/arm/uclinux-telf.h: New file.
24902 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24903 thumb-*-uclinux): New targets.
24904 * configure: Regenerate.
24906 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24908 * pa.md (post_store, pre_load): New expanders.
24909 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24910 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24911 need to directly generate RTL for them.
24912 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24915 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24917 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24918 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24919 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24920 (secndary_reload_class): Make TARGET_ELF conditional compile.
24921 (print_operand_address): Similar.
24922 (output_toc): Print all values as hex.
24923 (get_issue_rate): Rearrange and add RS64A and PPC630.
24924 * rs6000.h (processor_type): Add RS64A and PPC630.
24925 (PROCESSOR_POWERPC64): New.
24926 (PROMOTE_MODE): Use word_mode.
24927 (RTX_COSTS): Add RS64A and PPC630.
24928 * rs6000.md (scheduling information): Add lmul and ldiv
24929 representing 64-bit integer multiply and divide. Add rs64a and
24930 PPC630 information.
24931 (ashldi3): Add support for "rldic" instruction.
24932 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24934 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24936 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24937 instead of V8 for sparclite86x in cpu_table.
24939 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24941 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24942 output_file_directive.
24944 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24946 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24947 tree for op1, not the rtl.
24949 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24951 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24952 to m88k_va_start, leaving only the register spill.
24953 (m88k_build_va_list): New.
24954 (m88k_va_start): New.
24955 (m88k_va_arg): New.
24956 * m88k.h (BUILD_VA_LIST_TYPE): New.
24957 (EXPAND_BUILTIN_VA_START): New.
24958 (EXPAND_BUILTIN_VA_ARG): New.
24960 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24962 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24963 Rename from expand_builtin_saveregs.
24964 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24966 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24968 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24969 for the register spill block.
24970 (i960_build_va_list): New.
24971 (i960_va_start): New.
24972 (i960_va_arg): New.
24973 * i960.h (BUILD_VA_LIST_TYPE): New.
24974 (EXPAND_BUILTIN_VA_START): New.
24975 (EXPAND_BUILTIN_VA_ARG): New.
24976 * i960.md (store_multiple): Use change_address on individul mems.
24978 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24980 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24982 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24983 (expand_builtin_va_end): Evaluate arg for side effects.
24984 * c-common.c (c_common_nodes_and_builtins): Construct a
24985 va_list_arg_type_node to handle array decomposition to pointer.
24987 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24989 * except.c (st_dynamic_cleanup): Use force_operand on the
24992 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24994 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24995 * c4x.c (c4x_va_arg): New.
24997 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24999 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
25000 has manual_pop set.
25002 1999-07-26 Nathan Sidwell <nathan@acm.org>
25004 * eh-common.h (__eh_matcher): Prototype correctly.
25006 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
25008 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
25009 (TARGET_SINGLE_PIC_BASE): Likewise.
25010 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
25012 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
25013 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
25014 (TARGET_OPTIONS): Add -mpic-register=N.
25015 (OUTPUT_INT_ADDR_CONST): New macro.
25016 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
25017 LEGITIMATE_PIC_OPERAND_P): Likewise.
25018 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
25019 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
25020 output_addr_const directly.
25021 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
25023 (thumb_pic_register, thumb_pic_register_string): Declare.
25025 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
25027 (label_mentioned_p): New function: Imported from arm.c.
25028 (legitimize_pic_address): New function: Imported from arm.c.
25029 (is_pic):New function: Imported from arm.c.
25030 (thumb_finalize_pic):New function: Imported from arm.c.
25031 (add_constant): Cope with PIC constants.
25032 (fixit): Cope with PIC constants.
25033 (output_return): Do not treat the PIC register as live if
25034 TARGET_SINGLE_PIC_BASE is true.
25035 (thumb_function_prologue): Do not treat the PIC register as live if
25036 TARGET_SINGLE_PIC_BASE is true.
25037 (thumb_expand_prologue): Do not treat the PIC register as live if
25038 TARGET_SINGLE_PIC_BASE is true.
25039 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
25040 TARGET_SINGLE_PIC_BASE is true.
25041 (thumb_print_operand): Accept '|'.
25042 (thumb_override_options): Process PIC options.
25044 * config/arm/thumb.md (movsi): Support PIC.
25045 (call_insn): Change "i" constraint to "X".
25046 (call_value_insn): Likewise.
25047 (consttable_4, consttable_8, consttable_end): Set and clear
25048 "making_const_table" as appropriate.
25049 (pic_load_addr, pic_add_dot_plus_four): New insns.
25051 * invoke.texi (Thumb Options): Fix spelling. Document new
25052 options -msingle-pic-base and -mpic-register=.
25054 1999-07-26 Andrew Haley <aph@cygnus.com>
25056 * config/m32r/initfini.c (__init): Use a full word immediate for
25057 __fini: this allows it to be placed in any memory region.
25059 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
25060 -mmodel=medium. This is OK for all memory models.
25062 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
25064 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
25065 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
25067 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
25069 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
25072 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
25074 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
25076 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
25077 (BUILD_VA_LIST_TYPE): New.
25078 (EXPAND_BUILTIN_VA_START): New.
25079 (EXPAND_BUILTIN_VA_ARG): New.
25080 * i860.c (output_delayed_branch): Disable.
25081 (output_delay_insn): Likewise.
25082 (i860_saveregs): New.
25083 (i860_build_va_list): New.
25084 (i860_va_start): New.
25085 (i860_va_arg): New.
25086 * i860.md: Disable all peepholes using output_delayed_branch.
25087 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
25089 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
25091 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
25092 (BUILD_VA_LIST_TYPE): New.
25093 (EXPAND_BUILTIN_VA_START): New.
25094 (EXPAND_BUILTIN_VA_ARG): New.
25095 * clipper.c (clipper_builtin_saveregs): Only dump registers.
25096 Return the address of the save area.
25097 (clipper_build_va_list): New.
25098 (clipper_va_start): New.
25099 (clipper_va_arg): New.
25101 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
25103 * arc.h (EXPAND_BUILTIN_VA_START): New.
25104 (EXPAND_BUILTIN_VA_ARG): New.
25105 * arc.c (arc_setup_incoming_varargs): Set alias set of
25107 (arc_va_start): New.
25110 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
25112 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
25113 (BUILD_VA_LIST_TYPE): New.
25114 (EXPAND_BUILTIN_VA_START): New.
25115 (EXPAND_BUILTIN_VA_ARG): New.
25116 * alpha.c (alpha_builtin_saveregs): Delete.
25117 (alpha_build_va_list): New.
25118 (alpha_va_start): New.
25119 (alpha_va_arg): New.
25121 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
25123 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
25125 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
25126 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
25128 * gcc.texi: More changes related to list conversion.
25129 * invoke.texi: Likewise.
25131 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
25133 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
25134 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
25135 (expand_builtin_next_arg): Accept ARGLIST not EXP.
25136 (stabilize_va_list): New function.
25137 (std_expand_builtin_va_start): New function.
25138 (expand_builtin_va_start): New function.
25139 (get_varargs_alias_set): New function.
25140 (std_expand_builtin_va_arg): New function.
25141 (expand_builtin_va_arg): New function.
25142 (expand_builtin_va_end): New function.
25143 (expand_builtin_va_copy): New function.
25144 (expand_builtin): Call them.
25145 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
25146 __builtin_{varargs_start,stdarg_start,end,copy}.
25147 (build_va_arg): New function.
25148 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
25149 (build_va_arg): Declare.
25150 * c-decl.c (ptr_type_node, va_list_type_node): New.
25151 * c-parse.gperf (__builtin_va_arg): New.
25152 * c-parse.in (VA_ARG): New token.
25153 (unary_expr): Recognize it.
25154 * expr.c (expand_expr): Expand VA_ARG_EXPR.
25155 * expr.h (std_expand_builtin_va_start): Declare.
25156 (std_expand_builtin_va_arg): Declare.
25157 (expand_builtin_va_arg): Declare.
25158 (get_varargs_alias_set): Declare.
25159 * tree.def (VA_ARG_EXPR): New.
25160 * tree.h (BUILT_IN_VARARGS_START): New.
25161 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
25162 (ptr_type_node, va_list_type_node): Declare.
25163 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
25164 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
25165 * m88k.h, m88k.c: Likewise.
25166 * mn10300.h, mn10300.c: Likewise.
25167 * pa.h, pa.c: Likewise.
25168 * rs6000.h, rs6000.c: Likewise.
25169 * sh.h, sh.c: Likewise.
25170 * sparc.h, sparc.c: Likewise.
25172 * emit-rtl.c (operand_subword): Copy alias set.
25173 (change_address): Likewise.
25175 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
25177 * pa.c (compute_frame_size): Scan all the used callee saved registers,
25178 not just the first one.
25180 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
25182 * config/arm/arm.h (TARGET_SWITCHES): Add
25183 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
25184 (TARGET_OPTIONS): Add -mpic-register=.
25185 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
25186 (arm_pic_register_string): Declare.
25187 (NEED_PLT_GOT): Delete, replace with ...
25188 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
25189 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
25190 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
25191 * config/arm/arm.c (arm_override_options): Add new option
25193 (arm_pic_register_string): New variable.
25194 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
25195 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
25196 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
25197 (output_return_instruction): Likewise.
25198 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
25199 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
25200 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
25202 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
25203 mention of -msched-prolog. Document new options -msingle-pic-base
25204 and -mpic-register=.
25206 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
25208 * haifa-sched.c (reemit_notes): Tidy.
25209 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
25212 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
25214 * explow.c (trunc_int_for_mode): New function.
25215 (plus_constant_wide): Use it.
25216 * combine.c (simplify_and_const_int): Likewise.
25217 (merge_outer_ops): Likewise.
25218 (simplify_shift_const): Likewise.
25219 * cse.c (simplify_unary_operation): Likewise.
25220 (simplify_binary_operation): Likewise.
25221 * emit-rtl.c (operand_subword): Likewise.
25222 * rtl.h: Declare it.
25224 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25226 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
25227 (use NUM_REGS instead of NUM_INTS).
25229 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25231 * builtins.c: New file.
25232 * expr.c (saveregs_value, apply_args_value): Delete definition,
25233 moved into builtins.c.
25234 (string_constant): No longer static.
25235 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25236 apply_args_size, apply_result_size, result_vector,
25237 expand_builtin_apply_args, expand_builtin_apply,
25238 expand_builtin_return): Delete functions, moved into builtins.c.
25239 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25240 * expr.h (saveregs_value, apply_args_value): Declare variables.
25241 (expand_builtin, string_constant): Declare functions.
25242 * Makefile.in: Update to build builtin.o.
25244 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25246 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25247 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25248 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25249 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25251 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25254 1999-07-21 Michael Meissner <meissner@cygnus.com>
25256 * print-rtl.c (print_rtx): Print the names of the virtual
25259 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25261 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25262 introduced in previous delta.
25264 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25266 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25267 to avoid name clash.
25269 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25271 * c-lex.c (yylex) : Correct the test for overflow when lexing
25274 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25276 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25277 (adjust_priority): Always call ADJUST_PRIORITY.
25278 (schedule_insn): Only put insns into the ready at cost 0.
25279 (schedule_block): Remove redundant initial sort. Give clock_var
25280 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25282 * tm.texi (MD_SCHED_REORDER): Update docs.
25284 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25285 * sparc.c (ultra_reorder_called_this_block): Delete.
25286 (ultrasparc_sched_init): Don't set it.
25287 (ultrasparc_sched_reorder): Don't check it.
25289 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25291 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25292 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25293 (function_arg_boundary): Align DFmode.
25294 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25295 to get fp reg and stack overflow correct.
25296 (function_arg): Likewise.
25297 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25298 (setup_incoming_varargs): Restructure for ABI_V4; use
25299 function_arg_advance to skip final named argument.
25300 (expand_builtin_saveregs): Properly unskip the last integer arg
25301 when doing varargs. Adjust overflow location calculation.
25303 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25304 explicitly unsigned.
25305 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25306 (__VA_GP_REGSAVE): Similarly.
25307 (__va_longlong_p): Delete.
25308 (__va_arg_type_violation): New declaration.
25309 (va_arg): Restructure. Flag promotion errors. Align double.
25310 TFmode passed by reference.
25312 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25313 in the HOST_BITS_PER_WIDE_INT > 32 case.
25315 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25317 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25319 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25321 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25322 * toplev.c (documented_lang_options): Add -fpreprocessed.
25323 * cpplib.h (struct cpp_buffer): Add preprocessed.
25324 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25325 (cpp_start_read): Don't expand macros or emit an initial #line
25326 directive if -fpreprocessed.
25328 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25330 * cpplib.h (struct cpp_buffer): Added manual_pop for
25331 better C++ tokenization.
25332 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25333 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25334 * c-common.c (cpp_token): Make non-static.
25336 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25338 * c-common.h: New file.
25339 * c-common.c (permanent_obstack): Delete unused declaration.
25340 (c_global_trees): New array.
25341 (c_common_nodes_and_builtins): New function; split off common code
25342 from init_decl_processing in both c-decl.c and cp/decl.c.
25343 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25344 c_global_trees and accessor macros defined in c-common.h.
25345 Include c-common.h.
25346 * c-decl.c: Delete definitions for tree nodes that were replaced by
25348 (init_decl_processing): Build void_list_node.
25349 Call c_common_nodes_and_builtins; delete code to generate the common
25351 * objc/objc-act.c (build_module_descriptor): Rename variable
25352 void_list_node to avoid clash with c-common.h.
25354 * Makefile.in: Update dependencies.
25355 * objc/Make-lang.in: Likewise.
25357 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25359 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25360 (UNIQUE_SECTION_P): Likewise.
25361 (UNIQUE_SECTION): Likewise.
25363 1999-07-19 Linas Vepstas <linas@linas.org>
25365 * config/i370/README: New file.
25366 * config/i370/linux.h: New file.
25367 * config/i370/mvs.h: New file.
25368 * config/i370/oe.h: New file.
25369 * config/i370/t-linux: New file.
25370 * config/i370/t-mvs: New file.
25371 * config/i370/t-oe: New file.
25372 * config/i370/x-oe: New file.
25373 * config/i370/xm-linux.h: New file.
25374 * config/i370/xm-mvs.h: New file.
25375 * config/i370/xm-oe.h: New file.
25377 * i370.c (label_node_t): Add first_ref_page, label_addr,
25378 label_first_ref, label_last_ref members.
25379 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25380 (MAX_MVS_LABEL_SIZE): Define.
25381 (MAX_LONG_LABEL_SIZE): Define.
25382 (alias_node_t, alias_anchor, alias_number): New.
25383 (mvs_function_table): Reorder for EBCDIC.
25384 (ascebc, ebcasc): Unconditionally define.
25385 (i370_branch_dest, i370_branch_length): New functions.
25386 (i370_short_branch, i370_label_scan): New functions.
25387 (mvs_get_label): Renamed from mvs_add_label. Search for
25388 an existing label before creating a new one.
25389 (mvs_add_label): New function.
25390 (mvs_get_label_page): New function.
25391 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25392 over the entire list.
25393 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25394 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25395 (mvs_add_alias, mvs_need_alias): New functions.
25396 (mvs_get_alias, mvs_check_alias): New functions.
25397 (handle_pragma): New function.
25398 (mvs_function_check): New function.
25399 (unsigned_jump_follows_p): Search harder.
25400 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25401 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25402 * i370.h (TARGET_VERSION): Delete.
25403 (CPP_SPEC, CPP_PREDEFINES): Delete.
25404 (mvs_label_emitted): Delete.
25405 (TARGET_EBCDIC): Delete.
25406 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25407 (HANDLE_PRAGMA): Define.
25408 (HARD_REGNO_NREGS): Handle complex modes.
25409 (HARD_REGNO_MODE_OK): Likewise.
25410 (CLASS_MAX_NREGS): Likewise.
25411 (RET_REG): Likewise.
25412 (EXTRA_CONSTRAINT): Define.
25413 (RETURN_IN_MEMORY): True for DImode.
25414 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25415 (FUNCTION_PROFILER): Delete.
25416 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25417 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25418 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25419 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25420 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25421 (ASM_FILE_START): Add "RMODE ANY".
25422 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25423 (ASM_GLOBALIZE_LABEL): Likewise.
25424 (ASM_OUTPUT_LABELREF): Likewise.
25425 (ASM_OUTPUT_COMMON): Likewise.
25426 (PRINT_OPERAND): Handle 'K', 'W', default.
25427 (PRINT_OPERAND_ADDRESS): New.
25428 (Lots of defines): Add support for TARGET_ELF_ABI.
25429 * i370.md (attr length): New. Define for all patterns.
25430 (*): Lots of tweeks to assembly output and constraints.
25432 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25434 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25435 Disable patterns performing SImode comparisons with SImode values
25436 if TARGET_POWERPC64 and instruction does not sign-extend or does
25437 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25438 differ for signed quantities.
25439 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25440 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25441 (decrement_and_branch_on_count): Add 64-bit variant.
25443 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25445 * final.c (output_asm_insn): When searching for the matching string
25446 for a given dialect, don't run past the end of the list of
25447 alternatives if there are fewer alternatives in the template than
25450 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25452 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25453 Removed paragraph about compression of files and size limitation,
25454 duplicated in the FAQ. Use gcc-patches for posting patches.
25455 * gcc.c (main): Updated URL with bug reporting instructions to
25456 gcc.gnu.org. Removed e-mail address.
25457 * system.h (abort): Likewise.
25459 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25461 * Makefile.in (stmp-multilib-sub): Make the files extracted
25462 from $(LIBGCC1) writable.
25464 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25466 * config/arm/aout.h: Reformat for improved readability.
25468 * config/arm/arm.h: Reformat for improved readability.
25469 Replace uses of fprintf with asm_fprintf where appropriate.
25470 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25471 function declaration assembler actions.
25472 (NUM_INTS): New macro: Convert from bytes to words.
25473 (NUM_REGS): New macro: Compute number of registers required to
25474 hold a quanitity of tyep MODE.
25475 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25477 (NUM_ARG_REGS): New macro: The number of argument registers
25479 (ARG_REGISTER): New macro: Compute the register number of the Nth
25481 (LAST_ARG_REGNUM): New macro: The number of the last argument
25483 (SP_REGNUM): New macro: Register number of the stack pointer.
25484 (FP_REGNUM): New macro: Register number of the frame pointer.
25485 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25486 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25487 CUMULATIVE_ARGS so that it counts registers not bytes.
25489 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25491 Replace uses of fprintf with asm_fprintf where appropriate.
25492 (output_ascii_pseudo_op): Replace with version from thumb.c
25494 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25496 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25497 SUBTARGET_CPP_SPEC.
25498 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25499 (ASM_FILE_START): Emit ASM_APP_OFF.
25501 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25503 * pa.c (compute_frame_size): Round frame according to
25504 STACK_BOUNDARY rather than a hardwired value.
25506 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25508 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25510 * configure: Rebuilt.
25512 * configure.in (hppa*-*-linux*): New configuration.
25513 * configure: Rebuilt.
25514 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25515 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25516 * pa/pa-linux.h: New file.
25517 * pa/t-linux: New file.
25518 * pa/xm-linux.h: New file.
25520 * pa.c (hppa_legitimize_address): Change references from SImode to
25521 either Pmode or word_mode as appropriate.
25522 (emit_move_sequence, store_reg, load_reg): Likewise.
25523 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25524 (output_mul_insn): Likewise.
25525 * pa.h (PROMOTE_MODE): Likewise.
25526 (INITIALZE_TRAMPOLINE): Likewise.
25527 (Pmode): Define to word_mode.
25529 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25530 value of 4. Allocate 8 bytes for each FP register save.
25531 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25533 (hppa_expand_prologue): Likewise.
25534 * pa.h (PROMOTE_MODE): Likewise.
25535 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25536 (FUNCTION_ARG_BOUNDARY): Likewise.
25538 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25540 * pa.c (out_of_line_prologue_epilogue): Delete.
25541 (override_options): Remove -mspace related code.
25542 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25543 (compute_frame_size): Only allocate space for register that
25544 actually need to be saved.
25545 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25546 (TARGET_SWITCHES): Remove -mspace, -mno-space
25547 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25548 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25549 * pa/ee.asm, pa/ee_fp.asm: Delete.
25551 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25553 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25554 directive in column zero.
25556 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25558 * m68k.c (output_function_prologue): Fix computation of save mask
25559 when generating PIC code.
25561 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25563 * tree.c (build_type_attribute_variant): Move current_obstack restore
25564 after build_qualified_type call.
25566 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25568 * configure.in: Use t-iris6, even with GNU LD.
25569 * config/mips/iris6gld.h: Fix typo in linker spec.
25570 * config/mips/t-iris6gld: Remove.
25572 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25574 * rs6000.md (insv, extzv): Remove SImode dependence in named
25575 patterns. Explicitly generate DImode RTL if PowerPC64 and
25577 (insvdi): Reverse start and size in instruction template.
25579 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25581 * invoke.texi: Typo fixes.
25583 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25585 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25586 handle at this time instead of silently generating incorrect code.
25587 (gen_imagpart): Likewise.
25589 * reload.c (find_reloads): Emit a USE for a pseudo register without
25590 a hard register if we could not create an optional reload for the
25593 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25595 * c-typeck.c (output_init_element, process_init_element):
25596 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25597 check for nameless bit fields.
25599 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25601 * regclass.c (scan_one_insn): Notice subregs that change the
25602 size of their operand.
25603 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25605 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25607 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25608 * configure: Rebuilt.
25609 * alpha/t-ieee: New file.
25611 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25613 * rs6000.c (find_addr_reg): Do not select r0 as an address
25616 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25618 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25620 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25622 * rs6000.md (movsf): Do not force easy FP constants into memory.
25624 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25625 immed_double_const to ensure they are properly truncated then
25628 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25630 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25631 always unless NO_DEBUG is used. Compile this code
25633 (replace_symbols_in_block): Compile it unconditionally.
25635 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25637 * configure.in (i?86-*-elf*): New target.
25638 * configure: Rebuilt.
25639 * i386/i386elf.h, i386/t-i386elf: New files.
25641 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25643 * toplev.c (main): Don't complain about saying -gdwarf.
25644 (rest_of_compilation): Remove redundant code.
25646 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25648 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25650 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25652 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25653 "Li960R:", to avoid name clash.
25655 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25657 * loop.c (check_dbra_loop): When reversing a loop, delete all
25658 REG_EQUAL notes referencing the reversed biv except those which are
25659 for a giv based on it.
25661 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25663 * version.c: Drop "gcc-" prefix from version #.
25665 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25667 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25668 the label if we're being verbose.
25670 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25672 * m68k.c (output_function_prologue): Add pic register to mask
25673 if live and flag_pic.
25674 (output_function_epilogue): Likewise.
25676 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25678 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25679 directives in column zero.
25681 * pa/elf.h (ASM_FILE_START): Define.
25682 * pa/som.h (ASM_FILE_START): Include .level directives.
25683 * pa/hpux10.h (ASM_FILE_START): Delete.
25684 * pa/hpux11.h (ASM_FILE_START): Delete.
25686 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25688 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25690 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25691 when reload_out equals reload_in.
25693 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25695 * invoke.texi (Spec Files): New node: Describe the contents of
25698 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25700 * invoke.texi (DEC Alpha Options): Put @end table at
25701 beginning of line, to avoid confusing texi2html.
25703 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25705 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25706 introduced in previous delta.
25708 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25710 * reload1.c (gen_reload): When synthesizing a 3 operand add
25711 sequence, improve test for when to reload OP1 into the reload
25712 register instead of OP0.
25714 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25716 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25718 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25720 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25723 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25725 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25726 (va_dcl): Use __builtin_va_alist_t.
25728 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25730 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25731 on the permanent_obstack.
25732 * dwarfout.c (output_type): Likewise.
25734 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25736 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25737 Merged from c-typeck.c and cp/typeck.c.
25738 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25739 Merged into c-common.
25741 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25743 * c-lex.c (errorcount): Declare it.
25744 (finish_parse): Update errorcount when using CPPLIB.
25746 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25748 * fixinc/inclhack.def(end_else_label): Double the backslash so
25749 sed gets a chance to see it.
25750 * fixinc/inclhack.sh: regen
25751 * fixinc/fixincl.x: regen
25753 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25755 Add framework to support armv5 architecture when it becomes
25758 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25759 (arm_arch5): New variable.
25760 (all_architectures): Add armv5 line.
25761 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25762 -march=armv5 is specified on the command line.
25763 (arm_arch5): Export this variable.
25764 * invoke.texi: Document new string accepted by -march= switch for
25767 * config/arm/arm.h: Replace use of constant 12 as a register
25768 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25769 * config/arm/arm.c: Replace use of constant 12 as a register
25770 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25772 * config/arm/elf.h: Tidy up.
25773 * config/arm/coff.h: Tidy up.
25775 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25777 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25778 * gcc/config/mips/t-iris6gld: New file.
25779 * gcc/config/mips/iris6gld.h: Likewise.
25781 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25783 * c-decl.c (widest_integer_literal_type_node,
25784 widest_unsigned_literal_type) : New.
25785 (init_decl_processing): Handle/use the two new types.
25786 * c-common.c (type_for_size,type_for_mode) : Same.
25787 * c-lex.c (yylex) : Same.
25788 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25790 * c-tree.h (widest_integer_literal_type_node,
25791 widest_unsigned_literal_type) : New.
25793 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25795 * dwarfout.c (field_byte_offset): Correctly compute the object's
25796 byte offset for the first bit of a field which crosses an alignment
25797 boundary on a !BYTES_BIG_ENDIAN target.
25799 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25801 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25804 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25805 Jeff Law <law@cygnus.com>
25807 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25810 * except.c: Include intl.h.
25811 (expand_eh_return): Set current_function_cannot_inline.
25812 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25813 * function.h (struct function): Add eh_return_stub_label.
25814 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25815 * Makefile.in (except.o): Depend on intl.h.
25817 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25819 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25820 same as offsettable in cases 1 and 2.
25822 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25824 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25825 (extlh, extwh): Likewise.
25827 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25829 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25831 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25833 * configure.in: Add arm-pe and thumb-pe targets.
25834 * configure: Regenerate.
25836 * thumb.c (arm_naked_function_p): New function: Determines if
25837 a function is naked (has no gcc generated prologue/epilogue).
25838 (is_called_in_ARM_mode): Return true if the func has the
25839 interfacearm attribute.
25840 (output_return): Do not generate a return for naked functions.
25841 (thumb_function_prologue): Do not generate a prologue for
25843 (thumb_expand_prologue): Do not generate a prologue for naked
25845 (thumb_expand_epilogue): Do not generate an epilogue for naked
25847 (arm_valid_machine_decl_attribute): New function, copied from
25848 arm.c: Permit naked and interfacearm attributes.
25850 * config/arm/pe.c: New file: Support code for arm-pe target.
25851 * config/arm/pe.h: New file: Header file for arm-pe target.
25852 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25853 * config/arm/t-thumb-pe: New file: Makefile fragment for
25856 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25858 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25859 -fPIC or -fpic is specified.
25861 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25863 * expr.c (emit_block_move): Use copy_to_mode_reg for
25864 !TARGET_MEM_FUNCTIONS case too.
25866 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25868 * configure: Rebuilt.
25869 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25870 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25871 definitions made redundant by dbxelf.h inclusion. Delete
25872 lots of definitions related to assembly output that are
25873 specific to the SOM object format.
25874 * pa.c (output_function_prologue): Do not emit the function's
25876 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25877 * pa-pro.h: Deleted.
25878 * som.h: New file with SOM specific definitions.
25879 * elf.h: New file with ELF specific definitions.
25881 * elfos.h (const_section): Output a tab before assembler directives.
25882 (ctors_section, dtors_section): Likewise.
25883 (ASM_OUTPUT_SECTION_NAME): Likewise.
25885 * pa/pa1.h: Delete unused file.
25887 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25889 * configure.in (hppa*-hp-hpux11*): New configuration.
25890 * configure: Rebuilt.
25891 * pa/pa-hpux11.h: New file.
25892 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25895 * mips.md (leasi, leadi): New patterns.
25897 * expr.c (emit_block_move): Properly handle case where one of the
25898 block move arguments has a queued increment or decrement.
25899 (clear_storage): Similarly. Fix formatting goof.
25901 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25903 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25904 semicolon from the BSD VA_LIST replacement expression.
25906 * fixinc/inclhack.sh: regen
25907 * fixinc/fixincl.x: regen
25909 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25910 now use the fixincl program.
25912 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25914 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25915 case. Also make the PIC register call_used.
25917 * m68k.h (FINALIZE_PIC): Delete.
25918 * m68k.c (finalize_pic): Delete.
25920 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25922 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25925 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25927 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25929 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25931 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25933 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25935 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25937 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25939 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25941 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25943 * rs6000.c (output_toc): Always use hex values for floating-point
25944 constants. Store single-precision values in upper-half of TOC
25945 entry in 64-bit mode.
25946 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25947 to final constraints.
25948 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25949 (fctiwz): Improve accuracy of RTL for pattern.
25951 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25953 * expr.c (expand_expr): Allow RTL_EXPR's through the
25954 MAX_INTEGER_COMPUTATION_MODE checks.
25956 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25958 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25959 such that MASK_SUPPORT_ARCH is not negative.
25961 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25963 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25964 ADDR_DIFF_VEC insns that appear inside loops.
25966 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25967 Jeff Law <law@cygnus.com>
25969 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25970 Handle LO_SUM the same as offsettable in cases 1 and 2.
25971 * rs6000.c (find_addr_reg): Revert previous patch.
25973 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25975 * system.h (strstr): New external function declaration.
25976 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25977 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25978 * config.in, configure: Rebuilt.
25980 1999-06-24 Tom Tromey <tromey@cygnus.com>
25982 * gcc.c (main): Read user-specified specs files after computing
25983 additional startfile_prefixes.
25985 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25987 Revert these two patches:
25989 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25990 * loop.c (strength_reduce): When doing biv->giv conversion, update
25991 reg note of NEXT->insn.
25993 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25994 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25996 (recombine_givs): Set ix field after sorting.
25998 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26000 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
26001 for the parts of an UNSPEC / UNSPEC_VOLATILE.
26003 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
26005 *fixinc/inclhack.def: Add fix development commentary
26006 (read_ret_type): reactivate and add selection clause
26007 (zzz_*): tweak output file name to match what is used in hackshell.tpl
26008 *fixinc/{fixincl.x|inclhack.sh}: regen
26010 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
26012 * expr.c (expand_expr): STRIP_NOPS before checking against
26013 MAX_INTEGER_COMPUTATION_MODE
26014 (check_max_integer_computation_mode): Likewise.
26016 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
26018 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
26020 1999-06-22 Jim Wilson <wilson@cygnus.com>
26022 * expr.c (store_expr): When target is a promoted subreg, return a
26023 promoted subreg as a result.
26025 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
26027 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
26029 (dwarf2out_define): Mark unused parameters appropriately.
26030 (gen_unspecified_parameters_die): Ditto.
26031 (gen_subprogram_die): Fix signed/unsigned warnings.
26032 (gen_variable_die): Ditto.
26034 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
26036 * fixinc/inclhack.def(end_else_label): combined else_label
26037 and endif_label and fixed the sed expression.
26038 *fixinc/{fixincl.x|inclhack.sh}: regen
26040 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
26042 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
26043 'x' when handling non-offsettable addresses
26045 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
26047 * final.c (shorten_branches): Don't try to split an insn that has
26050 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
26052 * config/mips/mips.c (symbolic_expression_p): New function.
26053 (mips_select_rtx_section): Put symbolic expressions in the
26054 data section, not the read-only data section.
26056 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
26058 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
26060 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
26062 * collect2.c (main): Log frame table count.
26063 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
26064 (scan_prog_file) [COFF]: Handle frame tables.
26066 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
26067 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
26068 * alpha/elf.h: Undef them again.
26069 * alpha/vms.h: Remove their definitions.
26071 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26073 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
26074 remove the clobber of r0 and change the REG_UNUSED note to
26077 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
26079 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
26080 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
26081 fits in HOST_WIDE_INT and one uses union to access a long constant
26084 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
26086 * sparc.c (sparc_override_options): Don't allow profiling for
26087 code models other than medlow.
26088 (sparc_function_profiler): New function from old FUNCTION_PROFILER
26089 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
26090 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
26091 (sparc_block_profiler): Likewise.
26092 (sparc_function_block_profiler_exit): Likewise.
26093 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
26094 (FUNCTION_BLOCK_PROFILER): Likewise.
26095 (BLOCK_PROFILER): Likewise.
26096 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
26097 (MCOUNT_FUNCTION): New.
26098 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
26099 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
26100 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
26101 (MCOUNT_FUNCTION): New.
26102 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
26103 (BLOCK_PROFILER): Delete.
26104 (MCOUNT_FUNCTION): New.
26106 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
26108 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
26110 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26112 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26115 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26118 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26121 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26124 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
26126 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
26129 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
26131 * i386/djgpp.h (LIB_SPEC): New.
26132 (STARTFILE_SPEC): New.
26134 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
26136 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
26138 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
26141 * system.h (WSTOPSIG): New macro.
26143 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
26145 * c-pragma.c (push_alignment): Don't ignore alignments greater than
26147 (insert_pack_attributes): Take into account member natural
26150 * i386/winnt.c (exports_head): New static variable.
26151 (i386_pe_record_exported_symbol): New function.
26152 (i386_pe_asm_file_end): Use.
26153 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
26154 symbols to be emitted at end of assembly.
26155 (ASM_DECLARE_OBJECT_NAME): Likewise.
26156 (ASM_DECLARE_FUNCTION_NAME): Likewise.
26158 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
26161 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
26163 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
26166 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
26168 * haifa-sched.c (sched_analyze_1): Use free_list instead of
26169 zapping reg_last_uses directly.
26170 (sched_analyze_2, sched_analyze_insn): Likewise.
26171 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
26173 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
26175 * rs6000.md (movdf_hardfloat32): Use worst case insn length
26176 attributes for cases 1 and 2.
26178 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
26180 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
26183 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
26185 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
26187 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
26189 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
26190 PIC_OFFSET_TABLE_REGNUM for general alloaction.
26191 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
26192 must be stacked if it is used for PIC accesses.
26193 * arm.c (use_return_insn): Handle PIC register specially.
26194 (output_return_instruction): Likewise.
26195 (output_func_{prologue,epilogue}): Likewise.
26196 (output_expand_prologue): Likewise.
26198 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
26199 (*strsi_predec): Renamed from *strqi_predec.
26200 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
26201 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
26203 * arm.c (arm_override_options): Remove warning about PIC code
26204 not being supported.
26206 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
26208 * rs6000.c (find_addr_reg): New function.
26209 * rs6000.h (find_addr_reg): Declare.
26210 (offsettable_addr_operand): Delete.
26211 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
26212 from and stores to GPRs.
26214 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
26216 * alpha.c (alpha_expand_block_move): Use get_insns rather than
26217 gen_sequence as argument to emit_no_conflict_block.
26219 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26221 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
26222 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
26223 *fixinc/fixincl.x: regen
26224 *fixinc/inclhack.sh: regen
26226 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
26228 * added support for -mpcrel (PC relative addressing for m68k)
26229 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
26230 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
26231 * m68k.c (print_operand_address): Handle 32-bit PIC case.
26232 (comments for general_src_operand): Add some explanation
26233 about EXTRA_CONSTRAINTS.
26234 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
26235 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26236 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26237 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26238 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26239 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26240 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26241 if not already set.
26242 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26243 * m68k.h (TARGET_PCREL): New target flag.
26244 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26245 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26246 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26247 contains a SYMBOL_REF. Relax this constraint during reload, since
26248 we want to use the predicates, not reload's built-in concept of a
26249 valid memory address, to control what insns need reloading.
26250 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26251 operands (essentially 'g', 'm', and 's' under normal circumstances).
26252 * m68k.c (print_operand): Cause printing of pc-relative addresses
26253 to include pc register.
26254 (print_operand_address): Ditto.
26255 (general_src_operand): Accept operands that are not only
26256 general_operands, but are also valid when used as a pc-relative
26258 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26259 (memory_src_operand): Similar, for memory_operands.
26260 (pcrel_address): New predicate to accept the special case of a
26261 pc-relative address.
26262 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26263 QImode insns to accept *_src_operand instead of *_operand where
26264 pc-relative operands can fit. For example, a pc-relative operand
26265 can be used as a memory source operand for addsi3, but not as a
26266 memory destination.
26267 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26269 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26271 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26272 .thumb_set pseudo op to mark aliases of thumb functions.
26274 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26276 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26277 preference to ASM_OUTPUT_DEF, if it is defined.
26279 * tm.texi: Document new, optional target macro
26280 ASM_OUTPUT_DEF_FROM_DECLS.
26282 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26284 * fixincludes: ISCNTL patch
26285 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26286 (dgux_int_varargs): new for DG/UX
26287 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26289 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26291 * invoke.texi (ia32 options): Fix typo.
26293 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26295 * loop.c (strength_reduce): When doing biv->giv conversion, update
26296 reg note of NEXT->insn.
26298 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26300 * loop.c (move_movables): Note issues with replacing REGs with
26302 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26304 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26306 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26308 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26309 the reference to `mcount' was not correct for the ELF on FreeBSD.
26311 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26313 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26316 (recombine_givs): Set ix field after sorting.
26318 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26320 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26321 to safe to extract a subword out of a REG.
26323 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26325 * sh.md (mulsi3): Don't add a no-op move at the end.
26327 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26329 * cse.c (cse_insn): Don't put hard register source into tables for
26330 the last insn of a libcall.
26332 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26334 * loop.c (strength_reduce): Insert sets of derived givs at every
26335 biv increment, even if it's the only one.
26337 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26339 * dwarfout.c (add_incomplete_type): New fn.
26340 (output_type): Call it.
26341 (retry_incomplete_types): New fn.
26342 (dwarfout_finish): Call it.
26344 From Eric Raskin <ehr@listworks.com>:
26345 (output_type): Output types for bases.
26347 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26349 * mips.c (mips_output_conditional_branch): Add `break'
26350 between `default' label and `close braces'.
26352 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26354 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26355 specifications and make it realistic.
26356 (LIB_SPEC): Likewise.
26358 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26360 * config/mips/mips.c (mips_secondary_reload_class): Check for
26361 (PLUS (SP) (REG)) and return appropriate register class.
26362 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26363 Handle (PLUS (SP) (REG)).
26364 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26365 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26366 of emit_insn for tablejump.
26368 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26370 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26371 asm_fprintf format string by itself.
26372 (output_function_profiler): Likewise.
26374 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26376 * combine.c (simplify_logical, case AND): Only call
26377 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26378 or the constant is positive.
26380 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26382 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26383 * configure: Regenerate.
26385 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26387 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26388 require a sub-version #.
26389 * configure: Rebuilt.
26391 1999-06-14 Robert Lipe (robertlipe@usa.net)
26393 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26395 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26397 * c-typeck.c (process_init_element): Detect excess elements in
26398 char array initializer.
26400 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26402 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26404 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26406 * invoke.texi (Option Summary): Add -fpermissive flag.
26408 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26410 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26411 that require PIC code sequences.
26413 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26415 * configure.in: Add new target: thumb-elf.
26416 * configure: Regenerate.
26417 * config/arm/t-thumb-elf: New file: Makefile fragment for
26419 * config/arm/telf.h: New file: Header file for thumb-elf
26422 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26424 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26425 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26426 initializers is some circumstances.
26428 * fixinc/inclhack.def (endif_label): Add additional selector for
26429 more bogus stuff after #endif statements.
26430 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26432 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26434 * i386/cygwin.h (SET_ASM_OP): Define.
26436 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26438 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26440 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26442 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26445 * sh.md (ic_invalidate_line_i): Remove second alternative.
26447 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26449 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26450 test for the presence of valid prototypes. Delete bypass expr.
26451 (ioctl_fix_ctrl): Correct the selection expression.
26452 (no_double_slash): Correct quoting rules
26453 *fixinc/fixincl.x: regen
26454 *fixinc/inclhack.sh: regen
26456 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26458 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26460 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26462 * rs6000.md (movsi_got_internal_mem): Delete.
26463 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26464 (GOT_TOC_REGNUM): Delete.
26465 (PIC_OFFSET_TABLE_REGNUM): Define.
26466 (FINALIZE_PIC): Disable.
26467 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26468 (rs6000_replace_regno): Delete.
26469 (rs6000_finalize_pic): Likewise.
26470 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26472 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26474 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26475 is a note; use <= for the compare; advance P while it is
26478 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26480 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26481 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26483 * varasm.c (remove_from_pending_weak_list): Verify t->name
26484 is non-NULL before passing it to strcmp.
26486 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26488 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26489 the typed arguments are not part of a comment
26490 (ioctl_fix_ctrl): Added a purpose comment
26491 *fixinc/fixincl.x: regenerate
26492 *fixinc/inclhack.sh: regenerate
26494 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26496 * invoke.texi: Add C4x invocation docs.
26498 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26500 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26502 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26504 (c4x_legitimize_reload_address): New function.
26505 * config/c4x/c4x.md: Update docs.
26507 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26509 * fixincludes: Avoid removing '.'.
26510 * fixinc/fixinc.svr4: Likewise.
26511 * fixinc/fixinc.winnt: Likewise.
26512 * fixinc/inclhack.tpl: Likewise.
26513 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26515 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26517 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26519 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26521 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26523 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26526 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26528 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26529 * configure: Regenerate.
26531 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26533 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26536 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26538 * fixinc/inclhack.def (avoid_bool): Also catch
26539 "typedef [unsigned] int bool".
26540 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26542 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26543 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26544 * configure: Rebuilt.
26546 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26548 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26549 such that we can override its definitions if necessary.
26550 (CPP_SPEC): New define. Support processor specific predefines via
26552 (CC1_SPEC): New define. Support processor specific compiler
26553 options via %(cc1_cpu).
26554 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26557 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26559 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26560 between sed's -e flag, and the open-quote following it.
26561 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26563 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26564 Jeffrey A Law (law@cygnus.com)
26566 * varasm.c (assemble_start_function): Remove the function
26567 from the pending weak decls list when we define a function.
26568 (assemble_variable): Similarly for variables.
26569 (weak_finish): Ignore items on the list with a NULL name.
26570 (remove_from_ending_weak_list); New function to "remove" an item
26571 from the pending weak declarations list.
26573 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26575 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26577 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26579 * c-lex.c (GETC): Redefine to call getch.
26580 (UNGETC): Redefine to call put_back.
26581 (putback_buffer): New structure type.
26582 (putback): New static structure.
26583 (getch): New function.
26584 (put_back): New function.
26585 (yylex): Replace unused bytes from bad multibyte character.
26587 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26589 * cpplib.c (do_define): Cast `alloca' return value.
26590 (do_include, do_undef, do_pragma): Likewise.
26591 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26593 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26594 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26596 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26598 * sparc.md (abstf2): This should be an expand.
26599 (split after abstf2_notv9): Fix mode.
26600 (abstf2_hq_v9): New pattern.
26601 (abstf2_v9): Only use when no hard quad.
26602 (absdf2_v9): Fix if target is not the same as source.
26603 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26604 Add correct output constraints.
26606 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26608 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26609 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26611 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26613 * mips.h (mips_output_conditional_branch): New function.
26614 (mips_adjust_insn_length): Likewise.
26615 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26616 (ADJUST_INSN_LENGTH): Likewise.
26617 * mips.c (print_operand): Add `F' and `W' for floating-point
26618 comparison opcodes.
26619 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26621 (mips_adjust_insn_length): New function.
26622 (mips_output_conditional_branch): New function.
26623 * mips.md (length): Adjust attribute definition to handle
26624 conditional branches. Change lengths to bytes, rather than
26625 instructions throughout. Remove length attribute from
26626 instructions whose length is four bytes, and rely on the default
26628 (dslot): Fix typo in comment.
26629 Reword conditional branch patterns to use
26630 mips_output_conditional_branch.
26632 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26634 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26635 (LIB_SPEC): Likewise.
26636 Link with -lprof1_r for -g/-pg.
26638 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26640 * loop.c (check_dbra_loop): Fix change of Jan 19.
26642 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26644 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26645 (STARTFILE_SPEC): Define, override the svr4.h version.
26646 (ENDFILE_SPEC): Likewise.
26648 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26650 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26651 * fixinc/fixincl.x: Regenerated.
26652 * fixinc/inclhack.sh: Regenerated.
26654 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26656 * sh.c (barrier_align): Don't return early for normal branch/barrier
26657 when optimizing for SH2.
26659 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26661 * i386/udk.h (LINK_SPEC): Correct linker search path for
26664 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26666 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26667 (braf_label_ref_operand): Delete.
26668 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26669 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26670 label_ref, and has no predicate.
26671 The patten has a predicate to guard against invalid substitutions.
26672 (dummy_jump): Delete.
26673 (casesi): Update use of casesi_jump_2.
26675 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26677 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26678 *fixinc/fixincl.x: regenerate
26679 *fixinc/inclhack.sh: regenerate
26681 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26683 * dwarf2out.c (add_incomplete_type): New fn.
26684 (gen_struct_or_union_type_die): Call it.
26685 (retry_incomplete_types): New fn.
26686 (dwarf2out_finish): Call it.
26688 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26690 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26691 current block starts with a CODE_LABEL and ends with a CALL and
26692 we can not find all the argument setup instructions for the CALL.
26694 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26696 Revert this change:
26697 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26698 something is a candidate for optimize_bit_field_compare.
26700 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26702 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26704 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26706 * alpha.c (override_options): Thinko in last patch.
26708 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26709 (LIB_SPEC): Recognize -pthread.
26711 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26713 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26714 definition in config/arm/coff.h
26715 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26717 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26719 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26720 fixes that need "file=xxx\n" prepended before invocation
26721 (start_fixer - new): starting the fixer process is complex enough
26722 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26723 (process): uses the new routine; omit usage of putenv()
26724 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26725 * fixinc/fixincl.x: regenerate
26727 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26729 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26730 and version #s (1.1 -> 2.96) as needed.
26731 * README.g77: Kill way out of date file in the toplevel directory.
26733 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26735 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26736 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26737 * configure: Rebuilt.
26738 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26739 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26740 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26741 (SWITCH_TAKES_ARG): Likewise.
26742 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26743 * config/t-freebsd: Moved from config/i386/ so it can used for all
26746 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26748 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26750 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26752 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26753 * configure: Rebuilt.
26755 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26757 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26758 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26759 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26760 (rs6000_output_load_toc_table): Same.
26761 (output_prolog, output_mi_thunk): Same.
26762 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26763 (ASM_GLOBALIZE_LABEL): Use putc.
26765 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26767 * alpha.md (reload_*_help): New patterns and splitters.
26768 (reload_*): Use them.
26769 (mov[qh]i): Likewise.
26771 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26773 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26776 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26778 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26780 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26782 * flow.c (mark_regs_live_at_end, insn_dead_p,
26783 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26784 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26785 hasn't run or the frame pointer is needed.
26786 * haifa-sched.c (attach_deaths): Likewise.
26787 * sched.c (attach_deaths): Likewise.
26789 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26791 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26792 calculate_can_reach_end returns nonzero.
26794 * configure.in (native gas tests): Search for an assembler in the
26795 same manner that the installed compiler will.
26796 * configure: Rebuilt.
26797 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26799 * alias.c (find_base_term): Improve handling of addresses
26800 constructed from binary operations.
26802 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26804 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26806 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26808 * function.h (cleanup_label, frame_offset): Declare.
26809 (tail_recursion_label, tail_recursion_reentry): Likewise.
26810 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26811 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26812 (tail_recursion_label, tail_recursion_reentry): Likewise.
26813 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26815 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26817 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26819 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26820 (MAX_OFILE_ALIGNMENT): Define.
26822 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26824 * fixincl.c: Replace local include scheme with #includes of
26825 gansidecl.h and system.h.
26826 * procopen.c: Likewise.
26827 * server.c: Likewise.
26829 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26831 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26832 (crti.o): Add build rule and dependencies.
26833 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26835 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26837 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26838 (LIB_LINUX_SPEC): Likewise.
26839 (LIB_LINUX_SPEC): Add support for -pthread
26840 (CPP_OS_LINUX_SPEC): Likewise.
26841 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26844 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26846 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26848 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26849 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26850 for IEEE math and CC_FCOMI.
26851 (put_jump_code): No IEEE if CC_FCOMI is set.
26853 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26855 * fold-const.c (fold_truthop): Make the field reference unsigned
26856 when converting a single bit compare.
26858 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26860 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26862 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26864 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26865 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26868 * reload.c (push_reload): Do not call remove_address_replacements
26869 when presented with identical optional reloads.
26871 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26873 * alpha.h (MASK_FIX, TARGET_FIX): New.
26874 (MASK_*): Reorganize constants.
26875 (CPP_AM_FIX_SPEC): New.
26876 (TARGET_SWITCHES): Add FIX.
26877 (EXTRA_SPECS): Likewise.
26878 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26879 (SECONDARY_MEMORY_NEEDED): Likewise.
26880 (REGISTER_MOVE_COST): Likewise.
26881 * alpha.c (override_options): Add FIX support. Always use
26882 ALPHA_TP_PROG for ev6.
26883 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26884 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26885 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26887 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26889 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26890 something is a candidate for optimize_bit_field_compare.
26892 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26894 * gcc.texi (Passes): Document branch-shortening.
26895 * invoke.texi (Debugging Options): Document the fact that `-dp'
26896 outputs length information for instructions.
26898 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26900 * flow.c: Revert previous delta.
26902 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26904 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26905 FRAME_POINTER_REGNUM.
26906 (mark_set_1): Ditto.
26907 (mark_used_regs): Ditto.
26909 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26911 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26912 (GOT_PCREL): New macro. Define to 1 if not already defined.
26913 * arm/elf.h (GOT_PCREL): Define to 0.
26914 * arm.c (arm_finalize_pic): Take into account the setting of
26917 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26919 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26920 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26922 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26923 store elimination candidates.
26925 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26927 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26930 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26932 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26933 Add use of x-aix41-gld.
26935 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26937 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26938 (ASM_OUTPUT_DESTRUCTOR): Define.
26940 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26942 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26943 last CODE_LABEL in a loop if we have previously passed a jump
26944 to the top of the loop.
26946 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26948 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26949 applying Philip's patch.
26951 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26953 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26956 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26958 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26960 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26962 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26963 Also remove a useless comment.
26965 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26967 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26969 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26971 * collect2.c (main): Only generate import or export file and add
26972 to link arguments if non-empty. Use xmalloc not alloca.
26973 (write_{export,import}_file): Delete.
26974 (write_aix_file): New function.
26975 (locatelib): Use xmalloc not malloc.
26976 (GCC_OK_SYMBOL): Do not check type if aix64.
26978 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26980 Based on patch by Scott Bambrough and Pat Beirne:
26981 * config/arm/arm.c (making_const_table): New variable.
26982 * config/arm/arm.h (making_const_table): Declare.
26983 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26985 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26986 Keep track of when we are building the constant table.
26988 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26990 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26993 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26995 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26998 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
27000 * tm.texi (FUNCTION_ARG): Correct description of a stack element
27003 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
27005 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
27007 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27009 * rs6000.c (output_mi_thunk): Enable full support again.
27011 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27013 * sh.h (BRANCH_COST): Define.
27015 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
27017 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
27019 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
27021 * function.c (assign_stack_local): Align stack slot propertly.
27022 (assign_outer_stack_local): Likewise.
27024 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
27026 * expr.h (lang_expand_constant): Declare.
27027 * toplev.c (lang_expand_constant): Define it.
27028 * varasm.c (output_constant): Use it.
27030 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27032 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
27033 Change function definitions to K&R style.
27035 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27037 * fixinc/fixincl.c: We must not ignore SIGCLD now.
27039 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
27041 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
27042 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
27043 (several places): omit static initialization
27044 (process): use single fd, since only the read fd is used
27045 * fixinc/gnu-regex.c: define 'const' away, if not supported
27046 * fixinc/procopen.c(several places): omit static initialization
27047 * fixinc/server.c: define 'volitile' away, if not supported
27049 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27051 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
27052 asm_fprintf and %L to generate the label name.
27053 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
27054 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
27056 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
27058 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
27059 insn for a conditional jump can not be found.
27061 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
27063 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
27064 on variables in specific sections other than .sbss and .sdata.
27066 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
27068 * stmt.c (expand_return): Call start_cleanup_deferral and
27069 end_cleanup_deferral around conditional code.
27071 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27073 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
27074 filename lists. Utilizes new "krstr" AutoGen function.
27075 * fixinc/fixincl.x: Rebuilt.
27077 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
27079 * i386.c (output_float_compare): Avoid GNU-C extensions.
27081 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
27083 * version.c: Bump to distinguish mainline tree from the
27086 See ChangeLog.1 for earlier changes.