1 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3 Use new tail-calling mechanism on ARM.
4 * arm.md (sibcall, sibcall_value): New expands.
5 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
6 (tailcalling peepholes): Delete.
7 (push_multi): Simplify.
8 * arm.c (lr_save_eliminated): Delete definition.
9 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
10 (output_return_instruction): Remove checks on lr_save_eliminated.
11 (output_arm_prologue): Remove old tail-calling code.
12 (arm_output_epilogue): New parameter, really_return. All callers
13 changed. Handle tail-calling epilogues.
14 * arm.h (lr_save_eliminated): Delete declaration.
15 (frame_pointer_needed): Delete declaration.
16 * arm-protos.h (arm_output_epilogue): Adjust prototype.
18 * arm.md (is_thumb): Examine symbol thumb_code, not expression
20 * arm.c (thumb_code): Define it.
21 (arm_override_options): Set it.
22 * arm.h (thumb_code): Declare it.
24 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
26 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
28 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
30 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
31 bogus clobber to insns.
32 (load_multiple_operation, store_mulitple_operation): Don't check
34 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
36 * arm.md (and_scc, ior_scc): Add missing mode.
38 * arm.md (call_value_symbol): Remove predicate from op2.
40 * arm.h (SPECIAL_MODE_PREDICATES): Define.
42 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
44 * expr.c (get_subtarget): New function.
45 (force_operand, expand_expr, do_store_flag): Use it.
47 * toplev.c (compile_file): Don't take strlen of NAME if null.
49 2000-05-06 David Edelsohn <edelsohn@gnu.org>
51 * xcoffout.c (xcoff_current_include_file,
52 xcoff_current_function_file, xcoff_lastfile): Constify char *.
53 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
55 (xcoffout_declare_function): Make name 'const char *'.
56 (xcoffout_end_epilogue): Make fname 'const char *'
57 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
58 xcoffout_declare_function, xcoffout_source_line): Match above.
60 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
62 * rs6000.c (print_operand): Fix lossage typo.
63 (output_cbranch): Remove "cr" decoration for now.
64 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
66 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
68 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
71 2000-05-05 Bruce Korb <bkorb@gnu.org>
73 * fixinc/genfixes: Improve the matching for make target names
75 2000-05-05 Catherine Moore <clm@cygnus.com>
77 * c-common.c (decl_attributes): For TYPE_DECLs attach the
78 attribute to the decl.
79 * c-decl.c (pushdecl): Propagate the USED attribute to the
82 2000-05-05 Richard Henderson <rth@cygnus.com>
84 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
85 same way emit_group_load does.
87 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
89 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
91 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
94 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
96 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
98 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
100 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
101 to support -shared, on platforms with dynamic libraries.
103 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
105 * system.h (S_ISBLK): Provide fallback definition.
107 2000-05-05 Geoff Berry <geoffb@bops.com>
109 * extend.texi (Extended Asm): Document inability to give asm
110 statements access to condition codes.
112 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
114 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
115 as arg 2 of UNIQUE_SECTION.
117 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
119 * predict.c: Remove May 4 change.
120 * bb-reorder.c (make_reorder_chain): Do not perform block movement
121 if we have predicted the branch at 50-50 probability.
123 2000-05-05 Richard Henderson <rth@cygnus.com>
125 * flow.c (init_propagate_block_info): Fix merge error
126 in HAVE_conditional_execution code.
128 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
130 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
131 shift cycle for unknown shift count. Also generates dec + brpl.
132 (ashlqi3_out): Don't generate dec + brpl which now generates by
133 `out_shift_with_cnt'.
134 (ashlhi3_out): Likewise.
135 (ashlsi3_out): Likewise.
136 (ashrqi3_out): Likewise.
137 (ashrhi3_out): Likewise.
138 (ashrsi3_out): Likewise.
139 (lshrqi3_out): Likewise.
140 (lshrhi3_out): Likewise.
141 (lshrsi3_out): Likewise.
143 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
145 * gcc.c (free_split_directories): Correct typo in explanation
146 of make_relative_prefix.
148 2000-05-04 Geoff Keating <geoffk@cygnus.com>
150 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
151 comparison codes to branch_comparison_operator.
153 2000-05-04 Richard Henderson <rth@cygnus.com>
155 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
157 2000-05-04 Richard Henderson <rth@cygnus.com>
159 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
160 (DPBIT_FUNCS): Remove _sf_to_usi.
161 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
163 * ifcvt.c (noce_process_if_block): Fail if A or B modified
164 between condition and jump.
166 * libgcc2.c (near eh_context_specific): Comment #endif string.
167 * longlong.h: Don't use strings with embedded newlines.
169 2000-05-04 Geoff Keating <geoffk@cygnus.com>
171 * config/rs6000/rs6000-protos.h: Add output_cbranch.
172 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
173 (print_operand): Delete %t and %T codes.
174 (output_cbranch): New function. Support branch prediction.
175 * config/rs6000/rs6000.md: Use output_cbranch for
176 conditional branches and returns.
178 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
180 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
181 * stor-layout.c (place_field): Likewise.
182 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
183 * expr.c (store_expr): Make align unsigned.
184 * explow.c (plus_constant_wide): Make low words unsigned.
185 * expmed.c (choose_multiplier): Likewise.
186 * fold-const.c (fold): Likewise.
187 * tree.h (build_int_2): Likewise.
188 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
189 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
190 (init_emit): Change cast to unsigned char*.
191 * varasm.c (compare_constant_1): Add cast to char*.
192 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
193 * reload1.c (reload): Likewise.
195 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
197 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
199 * predict.c (estimate_probability): If no prediction was found, then
200 predict the successor that is the next physical block (if such a
203 2000-05-04 Richard Henderson <rth@cygnus.com>
205 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
207 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
211 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
213 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
214 attribute macros from here ...
216 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
217 (CPP_SPEC): Likewise.
218 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
220 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
221 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
223 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
225 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
227 * diagnostic (vbuild_message_string, build_message_string,
228 build_location_prefix, output_get_prefix, init_output_buffer,
229 output_notice, vline_wrapper_message_with_location,
230 v_message_with_decl, default_print_error_function): De-constify.
231 (set_real_maximum_length): Prototype.
233 * diagnostic.h (struct output_buffer, init_output_buffer,
234 output_get_prefix, output_set_prefix): De-constify.
236 * function.c (init_function_start): Constify.
238 * gensupport.c (remove_constraints, process_rtx): Prototype.
240 * gthr-posix.h: Indent uses of #pragma.
242 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
245 * predict.c (find_expected_value): Delete prototype.
246 (expected_value_to_br_prob): Initialize variable `ev_reg'.
248 * sbitmap.h (debug_sbitmap): Prototype.
250 * ssa.c (compute_coalesced_reg_partition): Prototype.
252 * stor-layout.c (debug_rli): Prototype.
254 * tree.h (round_down): Prototype.
255 (init_function_start): Constify.
257 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
259 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
260 (overly conservative). Change extern inline wrappers to
261 static inline, define them always, use PARAMS properly.
262 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
263 whitespace warnings for \f and \v at the beginning of a line.
265 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
267 * haifa-sched.c (schedule_insns): Free the flow edge list when it
270 2000-05-04 Bruce Korb <bkorb@gnu.org>
272 * fixincl/inclhack.def: added broken_cabs -
273 Remove `extern double cabs' declarations from math.h
274 * fixincl/inclhack.sh: regen
275 * fixincl/fixincl.x: regen
276 * fixincl/fixincl.c: Remove BOGOSITY code
277 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
279 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
281 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
283 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
284 when calling MEM_COPY_ATTRIBUTES.
285 * emit-rtl.c (operand_subword, change_address): Likewise.
286 * explow.c (stabilize): Likewise.
287 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
288 * integrate.c (copy_rtx_and_substitute): Likewise.
289 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
290 when calling MEM_COPY_ATTRIBUTES.
291 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
293 * cse.c (gen_lowpart_if_possible): Likewise.
294 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
295 * optabs.c (gen_move_insn): Likewise.
296 * recog.c (validate_replace_rtx_1): Likewise.
297 * simplify-rtx.c (add_mem_for_addr): Likewise.
298 * stmt.c (expand_anon_union_decl): Likewise.
299 * config/arm/arm.md: Likewise.
300 * config/h8300/h7300.c (fix_bit_operand): Likewise.
301 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
302 (block_move_no_loop, block_move_sequence): Likewise.
303 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
304 * config/alpha/alpha.c (get_aligned_mem): Likewise.
306 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
309 2000-05-03 Robert Lipe <robertlipe@usa.net>
311 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
313 (i[34567]86-*-sco3.2v5*) Likewise.
314 (i[34567]86-*-sco3.2v4*) Likewise.
315 (i[34567]86-*-sco) Likewise.
316 (i[34567]86-*-solaris2) Likewise.
317 (i[34567]86-*-sysv5*) Likewise.
318 (i[34567]86-*-sysv4*) Likewise.
319 (i[34567]86-*-udk*) Likewise.
320 (i[34567]86-*-sysv*) Likewise.
322 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
324 * cpphash.h (U): New define, to correct type of string constants.
325 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
326 routines, to do casts when passing unsigned strings to libc.
327 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
329 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
330 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
331 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
332 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
333 second argument an U_CHAR *.
335 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
336 length field, clean up initializer.
337 (ISTABLE): Add __extension__ to designated-
338 initializers version.
339 * cpplex.c (CHARTAB): Likewise.
341 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
342 case so the file won't be empty.
344 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
346 * bb-reorder.c (struct reorder_block_def): Member succ removed.
347 (REORDER_BLOCK_SUCC): Removed.
348 (enum reorder_skip_type): Removed.
349 (skip_insns_between_block): Renamed to skip_insns_after_block.
350 Removed second argument. Removed dead code and cleaned up.
351 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
352 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
353 second parameter to skip_insns_after_block.
355 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
357 * tree.c (staticp, case LABEL_DECL): New case.
359 2000-05-03 Richard Henderson <rth@cygnus.com>
361 * Makefile.in (start.encap): Do not depend on LIBGCC1.
363 * mklibgcc1.in: Fix typo last change.
365 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
367 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
368 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
369 (GCC_CFLAGS): Use it.
370 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
371 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
372 objc/Make-lang.in: Use it.
374 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
376 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
378 2000-05-03 Richard Henderson <rth@cygnus.com>
380 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
381 LIBGCC1 empty with libgcc1.null.
383 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
385 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
388 2000-05-03 Greg McGary <gkm@gnu.org>
390 * tree.h (tree_common): Add bounded_flag member. Remove
391 inaccurate comment about number of remaining bits.
392 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
393 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
394 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
395 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
396 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
397 (TYPE_QUAL_BOUNDED): New constant.
398 (TYPE_QUALS): Handle bounded qualifier.
399 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
400 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
401 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
402 TYPE_AMBIENT_BOUNDEDNESS): New macros.
403 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
404 (tree_type): Add pointer_depth member. Remove
405 inaccurate comment about number of remaining bits.
406 (DECL_POINTER_DEPTH): Add macro.
407 (tree_decl): Add pointer_depth member.
409 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
411 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
412 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
413 (lshrhi3_out): Likewise.
414 (ashrsi3_out): bugfix in shift by 8.
415 (test_hard_reg_class): New function.
416 * config/avr/avr.md: Bugfix inside conditions in peepholes.
417 (ashlhi3): removed define_expand of this pattern.
418 (*ashlhi3_insn): renamed to ashlhi3.
419 (ashlsi3): removed define_expand of this pattern.
420 (*ashlsi3_insn): renamed to ashlsi3.
421 (ashrqi3): removed define_expand of this pattern.
422 (*ashrqi3_insn): renamed to ashrqi3.
423 (ashrhi3): removed define_expand of this pattern.
424 (*ashrhi3_insn): renamed to ashrhi3.
425 (ashrsi3): removed define_expand of this pattern.
426 (*ashrsi3_insn): renamed to ashrsi3.
427 (lshrhi3): removed define_expand of this pattern.
428 (*lshrhi3_insn): renamed to lshrhi3.
429 (lshrsi3): removed define_expand of this pattern.
430 (*lshrsi3_insn): renamed to lshrsi3.
432 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
434 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
435 inclusion of "system.h".
437 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
439 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
442 2000-05-03 David Mosberger <davidm@hpl.hp.com>
444 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
446 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
447 -mconstant-gp is in effect and function-descriptors are being used
448 to make indirect calls.
449 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
450 (MASK_AUTO_PIC): Ditto.
451 (TARGET_CONST_GP): Ditto.
452 (TARGET_AUTO_PIC): Ditto.
453 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
454 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
455 -mno-pic is in effect.
456 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
457 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
458 -mauto-pic is in effect.
459 (gprel64_offset): New pattern.
460 (load_gprel64): Ditto.
461 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
462 -mconstant-gp is in effect, no need to preserve gp around direct
465 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
466 (FUNCTION_PROFILER): Define.
467 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
468 @fptr() directive when -mno-pic or -mauto-pic is in effect.
469 (ASM_OUTPUT_DESTRUCTOR): Ditto.
471 2000-05-03 Richard Henderson <rth@cygnus.com>
473 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
474 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
475 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
476 (mklibgcc, libgcc.mk): New targets.
477 (libgcc.a): Use libgcc.mk.
478 (stmp-multilib): Likewise.
479 (stmp-multilib-sub): Remove.
480 (mostlyclean): Don't delete libgcc2 temp files.
481 * configure.in (AC_PROG_CC_C_O): Add.
482 (NO_MINUS_C_MINUS_O): Substitute it.
483 (all_outputs): Add mklibgcc.
484 * mklibgcc.in: New file.
486 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
488 * cppexp.c (op_t): Make an int.
490 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
492 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
494 * gensupport.c (process_rtx): Fix macros used.
496 2000-05-03 Richard Henderson <rth@cygnus.com>
498 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
499 call-clobbered registers of a call.
501 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
503 * gensupport.c: New file.
504 * gensupport.h: New file.
505 * Makefile.in (HOST_RTL): Depend on gensupport.
506 (gensupport.o) New rule.
507 * genattr.c: Use gensupport for reading .md files.
508 * genattrtab.c: Ditto.
510 * genconfig.c: Ditto.
512 * genextract.c: Ditto.
514 * genopinit.c: Ditto.
515 * genoutput.c: Ditto.
518 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
519 * md.texi (Insn Splitting): Document define_insn_and_split.
521 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
523 * flow.c (verify_flow_info): Added two more sanity checks. The
524 first checks that the blocks are numbered consecutively. The second
525 checks that n_basic_blocks is actually equal to the number of
526 basic blocks in the insn chain.
528 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
530 * cpplib.h: Add accessor macros for token lists.
531 * cpplib.c, cpphash.c, cpplex.c: Use them.
533 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
535 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
536 memory usage if not in a function.
537 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
538 return address if static.
540 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
542 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
543 whether address may trap.
545 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
547 * bb-reorder (chain_reorder_blocks): Changed code to test for
548 EDGE_FALLTHRU rather than making erroneous assumption that the
549 first outgoing edge is the fall-through edge.
551 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
553 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
554 ABI for varargs, across all MIPS. This is incompatible because the
555 va_list (__builtin_va_list) structure is different, so a compilation
556 unit passing a va_list and a compilation unit being passed one, should
557 both be compiled with the same ABI. (The old structure had two
558 pointers, now it has three.)
560 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
562 * bb-reorder.c (struct reorder_block_def): Remove members end,
563 block_begin, and block_end.
564 (REORDER_BLOCK_OLD_END): Delete.
565 (REORDER_BLOCK_BEGIN): Delete.
566 (REORDER_BLOCK_END): Delete.
567 (chain_reorder_blocks): Remove dead code.
569 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
571 * bb-reorder.c (remove_scope_notes): Check for both types of scope
572 notes as the end of a basic block before deleting.
574 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
576 * final.c (final_start_function): Fix spelling of "necessary".
578 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
580 * toplev.c (debug_ignore_block): Return int.
581 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
582 * toplev.h, dwarf2out.h: Adjust.
583 * emit-rtl.c (remove_unnecessary_notes): Test return value.
585 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
586 * toplev.c, final.c, rtl.h: Adjust.
588 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
590 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
591 * configure.in: Look for makeinfo in the unified tree, then
592 for a system makeinfo which is sufficiently new.
593 * Makefile.in: If configure says makeinfo is too old, don't
594 build or install Info documentation.
596 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
598 * cpphash.c (collect_params): Fix off-by-one error.
599 (dump_hash_helper): Dump all four macro nodetypes.
601 2000-05-02 Jakub Jelinek <jakub@redhat.com>
603 * cpphash.c (trad_stringify): Adjust p after stringification as
606 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
608 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
609 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
611 * cppfiles.c (file_cleanup): Delete.
612 * cpphash.c (macro_cleanup): Delete.
613 (collect_objlike_expansion, collect_funlike_expansion,
614 macarg, scan_arguments): Remove CPP_POP case.
616 * cpplex.c (null_cleanup): Delete.
617 (cpp_pop_buffer): Do the work that was done in the cleanups
618 here. Call _cpp_unwind_if_stack from here.
619 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
620 cpp_scan_buffer): Run until we see CPP_EOF and the top of
621 stack is the buffer _below_ the one we stacked.
622 (cpp_get_token): Always pop an exhausted buffer. Return
623 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
624 * cpplib.c (skip_if_group): Don't call cpp_get_token to
625 increment the line number.
626 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
628 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
629 we see CPP_EOF and the top of stack is the buffer _below_ the
631 * scan-decls.c: Likewise.
633 2000-05-02 Andrew Haley <aph@cygnus.com>
635 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
636 where this function is called for the second time on a decl that
637 has had its section info changed in such a way as to move it out
639 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
641 2000-05-01 Richard Henderson <rth@cygnus.com>
643 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
644 the sequence we're moving, not to merge_bb->head.
646 2000-05-01 Richard Henderson <rth@cygnus.com>
648 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
649 reference to alpha/t-linux.
650 (alpha*-*-linux-gnu*): Likewise.
651 * configure: Rebuild.
653 * calls.c (expand_call): Don't emit reg notes for a sibcall.
655 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
658 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
660 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
662 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
665 2000-05-01 Richard Henderson <rth@cygnus.com>
667 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
668 emit_conditional_move.
670 2000-05-01 Jakub Jelinek <jakub@redhat.com>
672 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
673 as the dynamic linker.
675 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
677 * cppfiles.c (open_include_file): Open file in blocking mode.
678 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
679 Only exclude block devices and directories.
681 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
682 static. Allocate the hashnode and its string in the same
684 (del_HASHNODE): Don't free h->name.
685 (_cpp_lookup): If there is no entry for this string, create
687 (_cpp_lookup_slot): Delete.
688 * cpphash.h: Update prototypes.
690 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
692 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
693 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
694 node here, just fill in the value field properly. "Delete"
695 entries by setting the value field to T_VOID. Check for
696 hp->type == T_VOID, not hp == NULL.
698 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
699 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
702 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
704 * config/mn10300/mn10300.c (print_operand_address): Do not add
707 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
708 adjusted by less than 256 bytes, use ret regardless of having any
709 callee-saved register to restore.
711 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
713 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
715 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
717 * config/i386/djgpp.h (INT_ASM_OP): Define.
718 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
719 (ASM_WEAKEN_LABEL): Define.
720 (MASK_BNU210): Define.
721 (SUBTARGET_SWITCHES): Define.
722 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
723 (MAKE_DECL_ONE_ONLY): Define.
724 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
726 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
728 * i386/cygwin.h (INT_ASM_OP): Define.
730 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
732 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
733 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
735 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
737 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
738 __tmp_reg__ and __zero_reg__ initialization.
740 2000-04-30 Richard Henderson <rth@cygnus.com>
742 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
744 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
745 referenced bewteen the condition and the jump. Don't delete
746 anything but the jump.
748 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
750 * bb-reorder.c (scope_def): New struct.
751 (scope_forest_info): New struct.
752 (struct reorder_block_def): New member "scope".
753 (REORDER_BLOCK_SCOPE): New macro.
754 (relate_bbs_with_scopes): New function and prototype.
755 (make_new_scope): Likewise.
756 (build_scope_forest): Likewise.
757 (remove_scope_notes): Likewise.
758 (insert_intra_1): Likewise.
759 (insert_intra_bb_scope_notes): Likewise.
760 (insert_inter_bb_scope_notes): Likewise.
761 (rebuild_scope_notes): Likewise.
762 (free_scope_forest_1): Likewise.
763 (free_scope_forest): Likewise.
764 (dump_scope_forest): Likewise.
765 (dump_scope_forest_1): Likewise.
766 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
767 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
769 (reorder_basic_blocks): Added calls to build_scope_scope_forest
770 and remove_scope_notes before reordering is done. Added calls to
771 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
772 after reordering is done.
774 2000-40-30 Bruce Korb <bkorb@gnu.org>
776 * fixinc/inclhack.def: Added definitions needed by OSR5,
777 removed two stale entries (defined away with OLD_CPP).
778 * fixinc/inclhack.sh: regen
779 * fixinc/fixincl.x: regen
781 2000-04-30 Richard Henderson <rth@cygnus.com>
783 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
784 from the last insn in the sequence.
786 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
788 * cpplex.c (cpp_idcmp): New function.
789 * cpplib.h: Prototype it.
790 * scan_decls.c (scan_decls): Use it to inspect token names.
791 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
792 the file being run through the preprocessor.
793 (check_macro_names): Provide length of token to cpp_defined.
795 * Makefile.in: Remove stale warning message.
797 * cppfiles.c (redundant_include_p): Provide length of token to
799 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
800 values are unsigned int.
801 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
802 (_cpp_lookup_slot): Do not calculate the hash, either.
803 * cpphash.h: Update prototypes.
804 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
805 Hashes are unsigned int. Calculate hash here, pass by value
808 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
810 * simplify-rtx.c (check_value_useless): Delete function.
811 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
813 (cselib_invalidate_regno): Likewise.
814 (cselib_invalidate_mem_1): Likewise.
815 (references_value_p): Recognize useless values by the fact that they
817 (discard_useless_values): Likewise.
818 (cselib_record_set): This may turn a useless value
821 2000-04-30 Richard Henderson <rth@cygnus.com>
823 * config/d30v: New port.
825 * configure.in (d30v-*): Set fp format.
826 * configure: Rebuild.
828 2000-04-30 Richard Henderson <rth@cygnus.com>
831 * Makefile.in (OBJS): Add it.
832 (ifcvt.o): New target.
833 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
834 and conditional arithmetic.
835 (find_insert_position): Remove.
836 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
837 * toplev.c (DFI_ce, DFI_ce2): New.
838 (dump_file): Add ce and ce2 dumps.
839 (rest_of_compilation): Run if_convert a couple o times. Set
840 cse_not_expected after cse2. Don't set no_new_pseudos until
841 after sched1 or recompute_reg_usage.
843 2000-04-30 Richard Henderson <rth@cygnus.com>
845 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
846 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
848 2000-04-30 Richard Henderson <rth@cygnus.com>
850 * flow.c (struct reg_cond_life_info): New.
851 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
852 (init_propagate_block_info): Initialize them.
853 (free_propagate_block_info): Destruct them.
854 (mark_set_1): Consider conditional life before killing a register.
855 (mark_regno_cond_dead): New.
856 (free_reg_cond_life_info): New.
857 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
858 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
859 (mark_used_reg): Record conditional life.
861 * haifa-sched.c (schedule_insns): Disable death counting
862 sanity check for HAVE_conditional_execution.
864 2000-04-30 Richard Henderson <rth@cygnus.com>
866 * Makefile.in (TIMEVAR_H): New.
867 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
868 (timevar.h): Remove rule.
870 2000-04-29 Richard Henderson <rth@cygnus.com>
872 * config/alpha/crtend.asm: Use C comments instead of #.
873 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
875 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
877 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
879 * cpphash.h (enum node_type: Take out T_MCONST.
880 (union hashval): Move into struct hashnode.
881 (struct hashnode): Pack tighter. Remove file, line, col
883 * cpphash.c: Constify most of the macro-definition structures.
884 (struct definition): Replace by struct object_defn
885 and struct funct_defn. Put file, line, column information
886 here. All users updated to match.
887 (_cpp_create_definition, _cpp_macroexpand): Remove special
888 case for #define WORD OTHERWORD.
889 * cpplib.c (do_undef): Remove T_MCONST case.
891 * cpphash.h: Move struct reflist, struct definition, and the
892 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
893 union hashval. _cpp_free_definition takes a HASHNODE pointer.
894 * cpphash.c (_cpp_free_definition): Free data pointed to by
895 MCONST, XCONST, MACRO, and FMACRO nodes properly.
896 (_cpp_create_definition, del_HASHNODE): Just call
897 _cpp_free_definition to clear out a hashnode.
898 * cpplib.c (do_pragma_poison): Likewise.
900 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
902 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
903 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
904 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
905 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
906 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
907 REGNO_AM33_P): Redefine in terms of the new macros.
908 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
909 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
910 STRUCT_VALUE): Likewise.
911 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
912 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
914 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
916 * regmove.c (struct record_stack_memrefs_data): New.
917 (record_stack_memrefs): New function.
918 (combine_stack_adjustments_for_block): Use it.
920 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
922 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
923 use special_function_p to detect alloca.
925 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
927 * gcc.texi: Fixes for makeinfo 4.0 --html.
929 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
931 * pcp.h: Delete file.
933 2000-04-28 Kazu Hirata <kazu@hxi.com>
935 * h8300.c (function_epilogue): Clean up flags when the last insn
936 in a function is a barrier.
938 2000-04-28 Chris Demetriou <cgd@sibyte.com>
940 * configure.in (sparc-hal-solaris2*): protect [] glob from
942 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
943 rather than hard-coded constants in target_cpu_default2.
944 * configure: Regenerate.
946 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
948 * tree.c (get_callee_fndecl): Extract the initial value from
951 2000-04-28 Richard Henderson <rth@cygnus.com>
953 * varasm.c (record_constant_1): Record the CODE_LABEL when
954 taking the address of a LABEL_REF.
956 2000-04-28 Richard Henderson <rth@cygnus.com>
957 Jan Hubicka <jh@suse.cz>
959 * calls.c (combine_pending_stack_adjustment_and_call): Return the
960 adjustment; don't do the stack adjust.
961 (expand_call): Call compute_argument_block_size right before
962 allocating the block; update comment; don't do alignment sanity
963 checking for sibling call; use args_size instead of
964 unadjusted_args_size before args_size is adjusted. Use
965 combine_pending_stack_adjustment_and_call to compute stack adjust
966 for must_preallocate case.
968 * expr.c (push_block): Remove shadow `temp' in inner scope.
970 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
972 * toplev.c (rest_of_compilation): Call
973 note_deferral_of_defined_inline_function even if the function
976 2000-04-28 Scott Bambrough <scottb@netwinder.org>
978 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
980 2000-04-28 Richard Henderson <rth@cygnus.com>
982 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
984 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * timevar.c (init_timevar): DeANSIfy function definition.
988 2000-04-27 Alex Samuel <samuel@codesourcery.com>
990 * Makefile.in (timevar.o): Depend on flags.h.
991 * timevar.c (unused_stack_instances): New variable.
992 (timevar_push): Take a timevar_stack_def from
993 unused_stack_instances if available.
994 (timevar_pop): Push the popped timevar_stack_def onto
995 unused_stack_instances.
996 (TIMEVAR_ENABLE): New macro.
997 (timevar_def): Make standalone a 1-bit field. Add field used.
998 (get_time): Rename parameter to now. Return after clearing it if
1000 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
1001 (timevar_pop): Likewise.
1002 (timevar_stop): Likewise.
1003 (timevar_push): Likewise. Mark the timing variable as used.
1004 (timevar_start): Likewise.
1005 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
1006 timevars that were never used.
1008 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1010 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
1011 always TREE_READONLY.
1013 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
1015 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
1016 for call instruction with mode QImode.
1018 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1020 * Makefile.in (OBJS): Add timevar.o.
1021 (toplev.o): Depend on timevar.h.
1022 (ggc-simple.o): Likewise.
1023 (ggc-page.o): Likewise.
1024 (timevar.o): New rule.
1025 (timevar.h): New rule.
1027 * timevar.h: New file.
1028 * timevar.c: Likewise.
1029 * timevar.def: Likewise.
1031 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1032 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1034 (TIMEVAR): Remove macro.
1035 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1036 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1037 flow_time, combine_time, regmove_time, sched_time,
1038 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1039 sched2_time, dbr_sched_time, reorder_blocks_time,
1040 rename_registers_time, shorten_branch_time, stack_reg_time,
1041 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1043 (compile_file): Don't initialize time variables. Call
1044 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1045 of many calls to print_time.
1046 (rest_of_compilation): Add timing for reload_cse_regs.
1047 (get_run_time): Removed to timevar.c.
1048 (print_time): Likewise.
1049 (get_run_time): Implement using TV_TOTAL time variable.
1050 (print_time): Get total run time from get_run_time.
1051 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1052 computing elapsed time explicitly.
1053 * ggc-simple.c (ggc_collect): Likewise.
1054 (gc_time): Remove declaration.
1056 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1058 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1059 (expand_call): Use it.
1061 2000-04-27 Jan Hubicka <jh@suse.cz>
1063 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1066 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1068 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1071 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1073 * function.c (epilogue_done): Pass whole insn to record_insns.
1075 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1077 * cse.c (CSE_ADDRESS_COST): Remove.
1078 (find_best_addr): Add new parameter "MODE", use address_cost instead
1080 (address_cost): New.
1081 (fold_rtx): Update call of find_best_addr.
1082 * rtl.h (address_cost): Declare.
1083 * loop.c (general_induction_var): Add new parameter "MODE", use
1084 address_cost instead of ADDRESS_COST
1085 (init_loop): Use address_cost instead of ADDRESS_COST.
1086 (check_insn_for_givs): Update call of general_induction_var.
1087 (find_mem_givs): Likewise.
1088 (consec_sets_giv): Likewise.
1089 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
1090 * i386.c (ix86_address_cost): New.
1091 * i386-protos.h (ix86_address_cost): Declare.
1093 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
1095 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
1098 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
1100 * expr.c (store_expr): Use clear_storage instead of direct memset
1103 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
1105 * config/mn10300/mn10300.c (mn10300_address_cost): Test
1106 ASHIFT, AND and LABEL_REF.
1108 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
1110 * invoke.texi (-foptimize-sibling-calls): Fix.
1112 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
1114 * loop.c (load_mems) Don't use hard registers for the hoisting.
1116 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
1117 calculation; rename const_equiv array in the preconditioning code
1118 from loop_unroll to loop_unroll_precondition
1120 2000-04-27 Richard Henderson <rth@cygnus.com>
1122 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
1124 (propagate_one_insn): Clear it. Don't update reg_live here.
1125 (init_propagate_block_info): Update for pbi member changes.
1126 (free_propagate_block_info): Likewise.
1127 (mark_set_1): Know that zero_extract, sign_extract, and
1128 strict_low_part don't kill their argument. Alter hard subregs.
1129 Update new_set for non-CLOBBER sets. Update reg_live.
1130 (find_auto_inc): Update reg_live, not new_dead.
1131 (mark_used_reg): Update reg_live, not new_live. Examine new_set
1132 to determine if the reg in question was set this insn. Only update
1133 reg info with PROP_REG_INFO.
1135 2000-04-26 Richard Henderson <rth@cygnus.com>
1137 * flow.c (allocate_reg_life_data): Set max_regno here ...
1138 (life_analysis): ... not here.
1140 * flow.c (calculate_global_regs_live): Force stack pointer
1143 2000-04-26 Richard Henderson <rth@cygnus.com>
1145 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
1146 commit change group changes.
1147 (invert_exp_1): Similarly.
1148 (redirect_exp, invert_exp): Use them.
1149 (redirect_jump_1): New.
1150 (invert_jump_1): New.
1151 (jump_optimize_1): Remove code subsumed by condexec.c.
1152 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
1154 2000-04-26 Richard Henderson <rth@cygnus.com>
1156 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1158 * genconfig.c (main): Set all HAVE_foo to 1.
1160 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1162 2000-04-26 Alex Samuel <samuel@codesourcery.com>
1164 * invoke.texi: Document -fssa flag.
1166 2000-04-26 Richard Henderson <rth@cygnus.com>
1168 * flow.c (count_reg_sets_1): Remove.
1169 (count_reg_sets, count_reg_references): Remove.
1170 (recompute_reg_usage): Implement with update_life_info.
1171 Reallocate life data.
1173 2000-04-26 Richard Henderson <rth@cygnus.com>
1175 * flow.c (update_life_info): Consider blocks null to mean the
1177 (calculate_global_regs_live): Likewise.
1178 (life_analysis): Do that instead of collecting all_blocks.
1180 2000-04-26 Richard Henderson <rth@cygnus.com>
1182 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1183 a still-valid conditional jump.
1185 2000-04-26 Richard Henderson <rth@cygnus.com>
1187 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1189 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1190 * flow.c (calculate_loop_depth): Remove.
1191 * output.h (calculate_loop_depth): Don't declare.
1192 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1193 inline; run estimate_probability at the same time.
1195 2000-04-26 Neil Booth <NeilB@earthling.net>
1197 * cpplib.h: "~=" is not a single pp-token.
1198 * cpplex.c: Correct commentary.
1200 2000-04-26 Richard Henderson <rth@cygnus.com>
1202 * flow.c (mark_set_1): New arguments code and flags; update all
1203 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1204 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1205 loop_depth when optimizing for size. Do new_dead update after
1206 emitting REG_UNUSED notes. Merge mark_set_reg code.
1207 (mark_set_reg): Remove.
1208 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1209 arrange to not emit REG_UNUSED notes.
1211 2000-04-26 Richard Henderson <rth@cygnus.com>
1213 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1214 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1216 2000-04-26 Richard Henderson <rth@cygnus.com>
1218 * flow.c (propagate_one_insn): Break out from propagate_block.
1219 (init_propagate_block_info): Likewise.
1220 (free_propagate_block_info): Likewise.
1221 (propagate_block): Use them. Export.
1222 * basic-block.h: Declare them all.
1224 2000-04-26 Richard Henderson <rth@cygnus.com>
1226 * basic-block.h (life_analysis): Declare here ...
1227 * output.h: ... not here.
1228 * flow.c (life_analysis): Remove nregs parameter; replace
1229 remove_dead_code with flags. Remove ssa dead code check.
1230 Only init alias analysis if we'll use it.
1231 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1232 * ssa.c (convert_to_ssa): Likewise.
1233 (convert_from_ssa): Likewise.
1234 * toplev.c (rest_of_compilation): Likewise.
1236 2000-04-26 Richard Henderson <rth@cygnus.com>
1238 * flow.c (flow_delete_block): Rename from delete_block. Export.
1239 * basic-block.h (flow_delete_block): Declare.
1241 2000-04-26 David S. Miller <davem@redhat.com>
1243 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1244 taking a PATTERN of it.
1246 2000-04-26 <NeilB@earthling.net>
1248 * cpplex.c (spell_other, spell_char): Remove.
1250 (token_spelling, trigraph_map): Use unsigned chars.
1251 (_cpp_lex_line): Tidy up the switch statement.
1252 * cpplib.h: Implement spell_char with spell_string.
1255 2000-04-26 <RodneyBrown@pmsc.com>
1257 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1258 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1260 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1263 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1264 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1265 dwarf2out_return_save, dwarf2out_return_reg,
1266 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1267 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1268 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1270 * dwarf2out.h (dwarf2out_init): Likewise.
1272 * dwarfout.c (filename_entry, primary_filename, last_filename,
1273 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1275 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1276 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1277 dwarf2out_return_reg): Likewise.
1279 2000-04-26 Andreas Jaeger <aj@suse.de>
1281 * extend.texi (Function Attributes): Fix description of pure
1284 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1286 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1287 before calling rest_of_compilation.
1289 2000-04-26 Andreas Jaeger <aj@suse.de>
1291 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1294 2000-04-25 Richard Henderson <rth@cygnus.com>
1296 * cse.c (cse_insn): Emit barrier after unconditional jump.
1298 * calls.c (expand_call): Disable tail call generation once
1299 rtx_equal_function_value_matters is false.
1301 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1304 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1306 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1308 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1310 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1311 is the primary DIE for a member function.
1312 (gen_decl_die): Call set_decl_origin_self here.
1313 * dwarfout.c (output_decl): And here.
1314 * integrate.c (output_inline_function): Not here.
1315 Don't clear DECL_INLINE until after calling rest_of_compilation.
1316 (set_decl_origin_self): No longer static.
1317 * tree.h: Add prototype.
1318 * toplev.c (note_deferral_of_defined_inline_function): Only write
1319 out abstract instance for actual inlines.
1321 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1323 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1324 EXTENDED_REGS only if TARGET_AM33.
1325 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1326 SP_REGS to register allocation and reloading unless absolutely
1328 (movsi3): Remove special-case of adding non-constants to SP.
1330 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1332 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1333 INCLUDES to search and does not provide any of its own. Also it
1334 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1335 parameters. Also it does not call AC_DEFINE.
1336 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1337 AC_DEFINE and provides for automatic entries for autoheader.
1338 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1340 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1341 so we can pass -I flags and include gansidecl.h/system.h in this
1344 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1346 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1349 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1350 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1352 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1353 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1354 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1355 for these macros. Clean up spacing and linewraps.
1357 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1359 * calls.c (expand_call): Use get_callee_fndecl.
1361 * print-tree.c (print_node): Print the chain of an _EXPR.
1363 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1364 Jim Wilson <wilson@cygnus.com>
1365 Andrew Haley <aph@cygnus.com>
1367 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1368 and gp save/restore problems.
1369 * config/ia64/crtend.asm: Add IA-64 unwind support.
1370 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1371 in fr_pad_size calculation.
1372 (save_restore_insns): Move PR save area. Correct uses of
1373 RTX_FRAME_RELATED_P.
1374 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1375 (ia64_expand_epilogue): Add eh_epilogue support.
1376 (ia64_function_prologue): Emit .prologue directive.
1377 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1378 (ia64_override_options): Set init_machine_status and
1379 mark_machine_status.
1380 (rtx_needs_barrier): Handle bsp reads and writes.
1381 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1382 New static variables.
1383 (process_set, process_for_unwind_directive): New functions.
1384 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1385 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1386 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1388 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1389 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1390 (struct machine_function): Define.
1391 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1393 2000-04-25 Bruce Korb <bkorb@gnu.org>
1395 * fixinc/Makefile.in: make the removal of old programs more
1397 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1398 install-bin and install-sh
1400 2000-04-25 Nick Clifton <nickc@cygnus.com>
1402 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1403 defined, define to return zero.
1404 (function_cannot_inline_p): If a function has any target
1405 specific attributes, then use the macro
1406 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1407 whether it can be inlined. If it cannot, issue a suitable
1410 * tm.texi: Add a new node 'Inlining' to document the new macro
1411 FUNCTION_ATTRIBUTE_INLINABLE_P.
1413 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1415 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1418 2000-04-25 Neil Booth <NeilB@earthling.net>
1420 Restore previous patch, plus the following fixes:
1422 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1423 flags, not CPP_OPEN_PAREN.
1424 * cpplex.c (expand_token_space, init_token_list,
1425 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1426 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1428 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1430 * config/i386/freebsd.h (INT_ASM_OP): Define.
1432 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1434 * loop.c (strength_reduce): Fix typo in the last checkin.
1436 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1438 * stor-layout.c (finalize_record_size): Simplify to use existing
1440 (compute_record_mode): No longer static.
1441 * tree.h (compute_record_mode): New declaration.
1443 2000-04-25 Neil Booth <NeilB@earthling.net>
1445 * Revert my patch below until cause of build failures
1448 2000-04-25 Richard Henderson <rth@cygnus.com>
1450 * combine.c (combine_instructions): Add missing argument
1453 * toplev.c (rest_of_compilation): Delay sibcall optimization
1454 until after emit_eh_context.
1456 2000-04-24 Nick Clifton <nickc@redhat.com>
1458 * combine.c (combine_instructions): Do not try to combine a
1459 sequence of insns when the second insn has been replaced by a
1462 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1464 * gcc.c (load_specs): New static function.
1465 (read_specs): Use it.
1467 * gcc.c (lookup_compiler): Make multiple passes for case
1468 insensitive filesystems.
1470 2000-04-24 Neil Booth <NeilB@earthling.net>
1472 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1473 * cpphash.h (_cpp_check_directive): new.
1474 * cpplex.c (handle_newline, cpp_free_token_list,
1475 init_trigraph_map, trigraph_ok, trigraph_replace,
1476 backslash_start, skip_block_comment, skip_line_comment,
1477 skip_whitespace, parse_name, parse_number, parse_string,
1478 copy_comment, _cpp_lex_line, spell_char, spell_string,
1479 spell_comment, spell_name, spell_other, _cpp_lex_file,
1480 _cpp_output_list): new.
1481 (expand_name_space): take length argument.
1482 (init_token_list): add comment list initialisation.
1483 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1484 instead of HSPACE_BEFORE.
1486 * cpplib.c (_cpp_check_directive): new
1487 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1488 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1489 (HSPACE_BEFORE): delete.
1490 (TTYPE_TABLE): rearrange.
1491 (struct cpp_toklist): update.
1493 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1495 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1496 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1497 argument form of AC_DEFINE.
1499 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1500 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1501 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1502 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1503 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1505 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1507 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1509 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1510 deduced.h): Use -isystem, not -I, for including system headers.
1512 2000-04-24 Nick Clifton <nickc@cygnus.com>
1514 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1515 the source register is the frame pointer or arg pointer.
1516 (addsi3_small_int): Disallow if source register is the frame
1517 pointer or arg pointer.
1519 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1522 call to AC_MSG_RESULT.
1524 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1526 * invoke.texi: Correct grammatical errors, document
1527 -fno-gnu-keywords as identical to -fno-asm for C++.
1529 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1531 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1532 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1533 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1534 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1535 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1537 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1538 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1539 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1540 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1543 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1545 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1546 (pop_alignment): Likewise.
1547 (handle_pragma_token): Likewise.
1549 2000-04-24 Robert Lipe <robertlipe@usa.net>
1551 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1553 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1555 * combine.c (try_combine): Update reg_nonzero_bits of
1556 newi2pat before newpat.
1558 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1560 * loop.c (strength_reduce): Simplify test to INSN_P.
1561 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1562 expressions instead of CONST_INT.
1563 (express_from_1): Likewise.
1565 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1567 * regs.h (reg_n_max): Don't declare.
1568 * flow.c (reg_n_max): Don't define.
1569 * regclass.c (renumber): Don't initialize to zero.
1570 (regno_allocated): Likewise.
1571 (reg_n_max): Define.
1572 (allocate_reg_info): Don't initialize unnecessarily.
1574 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1576 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1577 and blockage_p in the newly allocated attribute.
1579 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1581 * config/mn10300/mn10300.md (addsi): `inc4' on address
1582 registers does not modify cc, but `inc' on an extended
1585 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1587 * reload.c (find_equiv_reg): Checks all valueno regs
1588 as a reload_reg_p regs.
1590 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1592 * cpphash.c (collect_objlike_expansion): Add sanity check.
1593 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1594 the buffer is the empty string, return. Mark __DATE__ and
1595 __TIME__ as XCONST nodes, not MCONST.
1596 (_cpp_macroexpand): Avoid pushing an empty buffer.
1597 (funlike_macroexpand): Don't pop token_buffer here.
1599 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1601 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1602 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1603 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1604 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1605 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1606 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1607 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1609 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1611 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1614 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1616 * cpphash.h (struct definition): Move file, line, col members...
1617 (struct hashnode): ... here. Also add 'disabled' flag.
1618 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1619 T_IDENTITY. Remove T_DISABLED.
1622 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1623 (collect_expansion): Split into collect_objlike_expansion and
1624 collect_funlike_expansion.
1625 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1626 funlike_macroexpand.
1627 (_cpp_compare_defs): Rename compare_defs, make static.
1628 (_cpp_make_hashnode): Initialize hp->disabled.
1629 (macro_cleanup): Adjust for new token types. Clear
1631 (_cpp_create_definition): Move code here to determine what
1632 sort of macro it is, and code to check for redefinitions, from
1633 do_define. Implement a few simple cases without creating a
1635 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1636 Handle the simple cases.
1637 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1640 * cppinit.c (builtin_array): Change MCONST to XCONST
1642 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1643 fix check for disabled and function-like macros.
1644 * cpplib.c (do_define): Move most logic to
1645 _cpp_create_definition.
1646 (do_undef): Handle new special token types.
1648 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1650 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1651 of CONSTANT_P for mult_val; always use validate_change to update insn.
1653 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1655 * cpphash.c (trad_stringify, add_pat): New functions.
1656 (collect_expansion): Restore support for -traditional syntax.
1657 Use trad_stringify and add_pat.
1658 (_cpp_macroexpand): Restore support for -traditional semantics.
1659 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1660 get a COMMENT token.
1661 (_cpp_lex_token): Provide COMMENT tokens to caller if
1662 traditional and parsing_define_directive.
1663 (skip_comment): Warn about // comments if -Wtraditional.
1664 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1666 (do_undef): Don't warn about undefining EMPTY nodes.
1668 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1670 * loop.c (strength_reduce): Fix biv removal code.
1672 2000-04-22 Richard Henderson <rth@cygnus.com>
1674 * predict.c (estimate_probability): Examine both sides of
1675 a branch for no exits. Use 90% not 50% for predict taken.
1676 Reorg for one copy of note generation code.
1678 2000-04-22 Richard Henderson <rth@cygnus.com>
1680 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1682 2000-04-22 Richard Henderson <rth@cygnus.com>
1684 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1685 (output_clear): Likewise.
1686 (output_printf): Use va_copy.
1687 (vline_wrapper_message_with_location): Likewise.
1688 (v_message_with_decl): Likewise.
1689 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1690 * system.h (va_copy): Provide default implementation.
1692 2000-04-22 Richard Henderson <rth@cygnus.com>
1694 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1695 the collected condition is not a constant.
1697 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1699 * diagnostic.h: New file.
1701 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1703 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1704 various function prototypes.
1705 (diagnostic.h): #include.
1706 (struct output_buffer): Move into diagnostic.h.
1707 (get_output_prefix): Rename to output_get_prefix. Export.
1708 (init_output_buffer): Export. Break out. Ajust intialization.
1709 (output_space_left, output_append): Export.
1710 (output_newline): Rename to output_add_newline. Export.
1711 (output_clear): Nullify additional output_buffer fields.
1712 (output_puts): Rename to output_add_string. Export.
1713 (dump_output): Rename to output_flush_on. Export.
1714 (build_location_prefix): Constify return-type.
1715 (emit_output_prefix): Rename to output_emit_prefix. Export.
1716 (set_real_maximum_length): New function.
1717 (output_set_maximum_length): Ditto
1718 (output_clear): Ditto.
1719 (output_add_character): Ditto.
1720 (output_add_integer): Ditto.
1721 (output_add_space): Ditto.
1722 (output_format): Ditto.
1723 (output_printf): Adjust buffer initialization.
1724 (vline_wrapper_message_with_location): Ditto.
1725 (v_message_with_decl): Ditto. Adjust call to output_puts
1726 and get_output_prefix.
1727 (default_print_error_function): Adjust buffer intialization.
1729 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1731 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1734 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1736 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1739 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1741 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1742 accurate data about SP moves.
1744 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1746 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1747 aliases to AM33 registers.
1749 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1751 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1752 to all EXTENDED bitmaps.
1754 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1756 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1757 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1758 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1760 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1762 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1763 the operand is not constant.
1765 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1767 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1768 as a call-clobbered regs.
1770 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1772 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1774 * rtl.def: Update comment.
1775 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1776 * integrate.c (expand_inline_function): Likewise.
1777 * profile.c (branch_prob): Likewise.
1778 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1779 * print-rtl.c (print_rtx): Likewise.
1780 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1781 (reemit_notes): Likewise; also use enum insn_note.
1783 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1784 (place_field): Properly compute know and actual alignment.
1786 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1789 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1792 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1794 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1795 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1796 (collect_expansion): Rewrite to scan over a token list.
1797 Remove -traditional support.
1798 (collect_formal_parameters): Rename to collect_params; rewrite
1799 to scan over a token list.
1800 (_cpp_create_definition): Adjust to scan a token list.
1801 (_cpp_macroexpand): Remove -traditional support.
1802 (_cpp_compare_defs): Whitespace is now canonicalized.
1803 (comp_def_part): Delete function.
1805 * cpphash.h: Update prototypes.
1806 * cpplex.c (init_token_list): Don't set lineno if there is no
1808 (pedantic_whitespace): New function.
1809 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1810 consume a newline. Use pedantic_whitespace.
1811 (_cpp_lex_token): Remove support for -traditional macros.
1812 (_cpp_get_define_token): Delete.
1813 (_cpp_get_directive_token): Do the real work here. Use
1814 pedantic_whitespace.
1815 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1817 * cpplib.c (get_macro_name): Delete.
1818 (do_define): Read the entire line into pfile->directbuf, then
1819 feed the token list to _cpp_create_definition.
1820 * cpplib.h (HSPACE_BEFORE): new define.
1821 (struct cpp_reader): Add a toklist member, "directbuf".
1823 * predict.c (estimate_probability): New heuristic: if a jump
1824 branches around a block with no successors, predict it taken.
1825 Disentangle control flow.
1827 2000-04-20 Richard Henderson <rth@cygnus.com>
1829 * loop.c (emit_iv_add_mult): Revert last change.
1831 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1833 * cpplib.h (enum cpp_ttype): Add token types for all
1834 punctuators. Distinguish pp-numbers from valid C numbers.
1835 Give some tokens better names. Initialize from macro.
1836 (struct cpp_name, cpp_token, cpp_toklist): New data
1839 * cpplex.c (bump_column, expand_name_space,
1840 expand_token_space, init_token_list, cpp_output_list,
1841 _cpp_scan_line): New functions.
1842 (output_line_command): Add third argument, new line number.
1843 * cpphash.h: Update prototypes.
1844 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1847 2000-04-20 Richard Henderson <rth@cygnus.com>
1849 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1851 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1853 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1856 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1858 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1859 REG_EQUAL note explaining the calculated value.
1861 * calls.c (expand_call): Avoid unnecesary precalculation
1862 and outgoing parameters space guarding for sibling calls.
1863 (store_one_arg): Likewise.
1865 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1867 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1868 (rest_of_compilation): Write sibling dump file and account
1869 for time as jump time.
1870 * invoke.texi: Update documentation on dump flags.
1872 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1874 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1876 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1878 * cpphash.c (special_symbol): Represent an empty macro with
1879 "\r \r " not just "\r ".
1880 (_cpp_macroexpand): Correct condition for the foo ( ) special
1882 (unsafe_chars): Handle EOF as second argument.
1883 (push_macro_expansion): Simplify test for removing escape at
1884 end. Do not trim both escapes if there is no text in between.
1886 2000-04-19 Jim Blandy <jimb@redhat.com>
1888 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1889 of PTR_SIZE, when appropriate.
1891 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1893 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1894 (USE_ENUM_BITFIELDS): Fix typo.
1896 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1898 * stor-layout.c (place_field): Set rli->offset_align properly.
1900 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1902 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1903 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1904 PARM_BOUNDARY): Remove unnecessary casts.
1906 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1908 * calls.c (precompute_arguments): Remove must_preallocate and
1910 (expand_call): Update call of precompute_arguments.
1912 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1913 check_insn_for_givs): Break out from ...
1914 (strength_reduce) ... here; use for_every_insn_in_loop to call
1915 check_insn_for_givs.
1916 * loop.h (for_every_insn_in_loop): Declare.
1917 (loop_insn_callback): New type.
1919 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1921 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1924 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1926 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1929 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1931 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1933 * configure.in: Delete --disable-cpplib option and all
1934 references to cpp_main.
1935 * configure: Regenerate.
1936 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1937 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1938 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1939 cpp$(exeext). Add --no-headers to makeinfo command line when
1940 generating INSTALL. Install and uninstall cpp.1 manpage, not
1942 * install.texi: Delete all references to cexp.y/cexp.c.
1943 Delete ancient instructions for compiling GCC on 3b1.
1944 * INSTALL: Regenerate.
1946 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1947 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1948 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1950 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1951 which is no longer tested anywhere.
1953 * cppinit.c (handle_option): Don't run error message through
1956 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1958 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1959 * cpperror.c (hashtab.h): Now include.
1960 * cppexp.c (hashtab.h): Likewise.
1961 * cpplex.c (hashtab.h): Likewise.
1962 * cppfiles.c (hashtab.h): Likewise.
1963 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1964 to htab_find_slot_with_hash.
1965 * cpphash.c (hashtab.h): Now include.
1966 (_cpp_lookup_slot): INSERT is now enum insert_option.
1967 * cpphash.h (_cpp_lookup_slot): Likewise.
1968 * cppinit.c (hashtab.h): Include earlier.
1969 (initialize_builtins): Pass enum to htab_find_slot.
1970 * cpplib.c (hashtab.h): Now include.
1971 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1972 (do_pragma_poison, do_assert): Likewise.
1973 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1974 htab_find_slot_with_hash.
1975 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1976 * tree.c (type_hash_add): Likewise.
1977 (build1): Minor cleanup.
1979 * ggc-common.c: Add missing blanks.
1980 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1981 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1983 * stmt.c (mark_case_node): New function.
1984 (mark_case_nesting): Call it.
1986 * expmed.c (emit_store_flag): If comparing two-word integer
1987 with zero, can optimize NE, EQ, GE, and LT.
1989 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1990 * conflict.c: Minor cleanups.
1991 * optabs.c: Add blank line
1992 * simplify-rtx.c: Minor cleanups.
1994 2000-04-18 Stan Cox <scox@cygnus.com>
1996 * gengenrtl.c (genlegend): Fix misspelling.
1998 2000-04-18 Robert Lipe <robertlipe@usa.net>
2000 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
2001 bitfields of the host compiler are not signed quantities.
2002 * config.in: Regenerate.
2003 * configure: Regenerate.
2004 * system.h (USE_ENUM_BITFIELDS): Added.
2005 (ENUM_BITFIELDS): Added.
2006 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
2007 (SHORT_ENUM_BUG): Deleted.
2008 * tree.h (tree_common): Members `code', `mode', `built_in_class',
2010 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
2011 (CODE_FIELD_BUG): Likewise.
2012 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
2014 * config/m68k/x-ccur (X_CFLAGS): Likewise.
2016 2000-04-18 Mark Mitchell <mark@codesourcery.com>
2018 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
2021 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2023 * cppexp.c (lex): Don't assume tokens are NUL terminated.
2024 * cpplib.c (do_include, do_import, do_include_next,
2025 read_line_number, detect_if_not_defined): Likewise.
2026 * cpphash.c (collect_expansion): Likewise.
2027 (special_symbol, _cpp_macroexpand): Check return from
2029 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
2030 macros. Delete all uses.
2032 * gcc.dg/cpp-mi.c: Add two more test cases.
2033 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
2035 2000-04-17 Richard Henderson <rth@cygnus.com>
2037 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
2038 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
2040 2000-04-17 Mark Mitchell <mark@codesourcery.com>
2042 * function.c (expand_function_start): Use hard_function_value to
2043 compute the RTL to use for DECL_RESULT.
2045 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2047 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
2048 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2049 x86_memory_mismatch_stall): New global variables.
2050 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
2051 alloved; fix load penalties for Athlon.
2052 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2053 x86_memory_mismatch_stall): Declare.
2054 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
2055 TARGET_MEMORY_MISMATCH_STALL): New.
2056 * i386.md (athlon scheduling parameters): Fix latencies according to
2057 Athlon Optimization Manual.
2058 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
2060 (fsqrt instruction patterns): Set athlon_decode to direct.
2061 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
2062 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
2063 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
2064 and TARGET_PARTIAL_REGISTER_STALL machines.
2065 (pushdf_nointeger): New pattern.
2066 (pushdf_integer): Rename from pushdf.
2067 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
2068 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
2070 2000-04-17 Richard Henderson <rth@cygnus.com>
2072 * loop.c (canonicalize_condition): Add WANT_REG argument.
2073 Stop the search if we match it.
2074 * expr.h (canonicalize_condition): Update decl.
2075 * predict.c (expected_value_to_br_prob): Use it. Track last
2076 expected value note.
2077 (find_expected_value): Remove.
2079 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
2081 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2083 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
2084 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
2086 * configure.in: Call AC_FUNC_MMAP_FILE.
2087 * configure: Regenerate.
2088 * config.in: Regenerate.
2090 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
2091 * fixinc/fixincl.c: Likewise.
2093 2000-04-17 Richard Henderson <rth@cygnus.com>
2095 * builtins.c (expand_builtin_expect): New.
2096 (expand_builtin): Call it.
2097 * builtins.def (BUILT_IN_EXPECT): New.
2098 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
2099 * extend.texi: Document it.
2101 * predict.c (expected_value_to_br_prob): New.
2102 (find_expected_value): New.
2103 * basic-block.h (expected_value_to_br_prob): Declare.
2104 * toplev.c (rest_of_compilation): Invoke it.
2106 * rtl.h (NOTE_EXPECTED_VALUE): New.
2107 (NOTE_INSN_EXPECTED_VALUE): New.
2108 * rtl.c (note_insn_name): Update.
2109 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
2110 cases; handle NOTE_INSN_EXPECTED_VALUE.
2112 2000-04-17 Jakub Jelinek <jakub@redhat.com>
2114 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
2115 leaf sibcall delay slot if flag_pic.
2116 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
2118 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2120 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
2122 * fixproto: If fix-header fails, exit with an error.
2124 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2126 * cse.c (struct check_depdendence_data): New.
2127 (check_dependence): New function.
2128 (invalidate): Use check_depdenence.
2130 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2132 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
2133 UNITS_PER_WORD is unsigned.
2135 * tree.h (struct tree_common): Remove misleading comment.
2137 2000-04-16 Dave Pitts <dpitts@cozx.com>
2139 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
2140 message in quotes. Otherwise, IBM's make program treats the '#' as the
2141 start of a comment and ignores the remainder of the line.
2143 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
2145 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
2146 * cexp.y (initialize_random_junk): Likewise.
2147 * cppfiles.c (find_include_file): Cast alloca return value.
2148 * cppinit.c (initialize_standard_includes): Likewise.
2149 * cpplib.c (cpp_define, cpp_undef): Likewise.
2150 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
2151 * final.c (output_asm_insn): Allow for holes in EBCDIC.
2152 * fold-const.c (CHARMASK): New.
2153 (real_hex_to_f): Use it.
2154 * real.c (CHARMASK): New.
2155 (etoasc, asctoeg): Use it.
2156 (asctoeg): EBCDIC lower case characters preceed upper case.
2158 * i370.c (mvs_add_label): Change spacing for coding conventions.
2159 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
2160 outputing case vectors.
2161 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
2162 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
2163 since vector in in the data CSECT.
2164 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
2165 * i370.md (Many patterns): Put the length in the XL directives.
2166 (movdi): Put back STM and MVC in definition.
2167 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
2168 pattern using the TCA.
2169 * oe.h (CPP_SPEC): Added to allow trigraphs.
2170 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
2171 not support the "long long" type.
2173 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2175 * config/mips/mips-protos.h (mips_legitimate_address_p): New
2177 (mips_reg_mode_ok_for_base_p): Likewise.
2178 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
2179 (REG_OK_FOR_INDEX_P): Define unconditionally.
2180 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
2181 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
2182 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
2183 that GET_MODE_SIZE is unsigned.
2184 (mips_reg_mode_ok_for_base_p): Define.
2185 (mips_legitimate_address_p): Likewise. Adjust now
2186 that GET_MODE_SIZE is unsigned.
2187 (block_move_loop): Make the number of bytes unsigned.
2188 (expand_block_move): Likewise.
2189 (function_arg): Make the loop counter unsigned to match the
2192 2000-04-16 Richard Henderson <rth@cygnus.com>
2194 * rtl.h (enum insn_note): New enumeration. Subsume
2195 NOTE_INSN_DELETED and friends.
2196 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
2197 * rtl.c (note_insn_name): Tweak string order.
2199 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
2201 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
2204 * cpplex.c (output_line_command): Remove debugging prints.
2205 (cpp_output_tokens): Don't write out a zero-length buffer or
2206 try to see if it has a newline in it.
2207 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
2208 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
2209 the end of the loop. Use memmove. Don't read past the end of
2210 the buffer. Remove trailing newlines from error messages.
2212 2004-04-16 Neil Booth <NeilB@earthling.net>
2214 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2215 * cpplib.c: Add new syntax flags to directive table, and
2218 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2220 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2223 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2225 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2226 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2228 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2230 * Makefile.in (ggc-page.o): Now includes toplev.h.
2231 * ggc-page.c (toplev.h): Now included.
2232 (gc_time): Remove declaration.
2233 (ggc_collect): TIME now long.
2234 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2236 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2238 * toplev.c: Make *_time variable long to reduce chance of overflow.
2239 (TIMEVAR): Likewise for `otime'.
2240 (print_time): Arg is now long; compute percentage in FP and round.
2241 * toplev.h (print_time): Arg is long.
2243 * tree.c: Minor whitespace changes.
2245 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2246 * configure: Rebuilt.
2247 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2248 (__fixunsxfDI): Renamed from __fixunsxfdi.
2249 (__fixunsdfDI): Renamed from __fixunsdfdi.
2250 (__fixunssfDI): Renamed from __fixunssfdi.
2251 (__floatdisf): Use proper type in REP_BIT macro.
2252 (__fixunsxfSI): Renamed from __fixunsxfsi.
2253 (__fixunsdfSI): Renamed from __fixunsdfsi.
2254 (__fixunssfSI): Renamed from __fixunssfsi.
2255 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2256 Change location of macros and upper-case some names as above.
2257 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2258 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2260 * varasm.c (assemble_variable): Add cast to remove warning.
2261 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2263 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2264 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2265 region number to -1.
2267 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2269 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2270 call unshare_all_rtl.
2272 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2274 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2276 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2277 Use .s1 not .s0 for all FP instructions.
2279 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2281 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2283 (safe_fwrite, output_line_command): New static functions.
2284 (cpp_expand_to_buffer): Now private to cpplib.
2285 (cpp_scan_buffer): Take a printer.
2287 * cpphash.h: Update prototypes.
2288 * cpplib.h: Update prototypes.
2290 (cpp_buffer): Remove last_nominal_fname.
2291 (cpp_reader): Remove lineno.
2293 * cppmain.c: Use a cpp_printer.
2294 * fix-header.c: No need to inhibit line commands. Call
2295 cpp_start_read with no printer.
2297 * cpperror.c (cpp_notice_from_errno): Provide default name.
2298 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2299 (find_include_file, cpp_read_file): Use make_IHASH.
2300 (file_cleanup): Set control_macro and clear
2301 input_stack_listing_current here.
2302 (_cpp_execute_include): Don't output entering-file marker.
2303 * cpphash.c (special_symbol): Look for the line number in the
2304 buffer, not the reader.
2305 (_cpp_macroexpand): No need to disable line commands.
2306 (_cpp_dump_definition): No need to generate line commands.
2307 (dump_hash_helper): Remove excess newline from output.
2308 * cppinit.c (dump_special_to_buffer): No need to generate line
2310 (cpp_printer_init): New.
2311 (cpp_start_read): Take a printer, and start it up if it's not
2312 NULL. No need to generate line commands.
2313 (cpp_finish): Expect no buffers stacked at all. Take a
2314 printer argument, and flush the output buffer if it's not
2316 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2317 Don't put two hashes at the beginning of an assertion.
2318 (cpp_get_token): Don't increment pfile->lineno or emit line
2319 commands here. Return EOF if there's no buffer when we get
2321 * cpplib.c (do_define, skip_if_group):
2322 No need to disable line commands.
2323 (_cpp_output_line_command): Delete function.
2324 (do_line): Don't emit line commands here, but set things up so
2325 they will be emitted if necessary. Use _cpp_fake_ihash to
2326 make unique nominal_fnames if necessary.
2327 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2328 with 0 for column, not -1.
2329 (_cpp_handle_eof): Don't set the control macro here. Don't
2330 clear input_stack_listing_current here. Don't emit line
2333 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2335 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2336 always, use the default SVR4 start address.
2338 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2339 (LINK_SHLIB_SPEC): Define.
2340 (LINK_START_DEFAULT_SPEC): Define.
2341 (LINK_OS_DEFAULT_SPEC): Define.
2343 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2345 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2346 __do_global_ctors to handle constructors.
2347 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2348 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2349 (STARTFILE_MVME_SPEC): Likewise.
2350 (STARTFILE_SIM_SPEC): Likewise.
2351 (ENDFILE_ADS_SPEC): Use crtend.
2352 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2353 (ENDFILE_MVME_SPEC): Likewise.
2354 (ENDFILE_SIM_SPEC): Likewise.
2355 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2356 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2357 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2358 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2359 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2360 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2361 (CRTSTUFF_T_CFLAGS_S): Define.
2362 * config/rs6000/eabi-ctors.c: Delete.
2364 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2367 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2371 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2373 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2374 plus mask size is smaller or equal to the mode size.
2376 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2378 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2381 * expr.c (reload.h): Now included.
2382 (emit_block_move): Set volatile_ok when checking for movstr.
2383 (emit_move_1): Check for replacements in addresses in multi-word case.
2384 * Makefile.in (expr.o): Now includes reload.h.
2386 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2387 Never have a LIBCALL end a basic block.
2388 (find_basic_blocks_1): Likewise.
2389 Reorganize CALL_INSN cases.
2391 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2393 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2395 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2396 completers from mov.ret instruction.
2398 2000-04-14 Richard Henderson <rth@cygnus.com>
2400 * fold-const.c (extract_muldiv): Don't distribute and widen
2401 multiply across plus for non-sizetype unsigned types.
2403 2000-04-14 Richard Henderson <rth@cygnus.com>
2405 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2406 If the original source is dead in the incr insn, it's dead now.
2408 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2410 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2411 see if DECL_BIT_FIELD needs to still be set.
2413 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2415 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2416 print_int_cst_octal with something that's not an INTEGER_CST.
2418 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2419 and not a SUBREG to a FLOAT rtl.
2421 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2423 * emit-rtl.c (try_split): Avoid infinite loop if the split
2424 results in a sequence that contains the original insn.
2426 2000-04-13 Andreas Jaeger <aj@suse.de>
2428 * config/mips/mips.c (expand_block_move): Pass alignment
2429 argument to move_by_pieces in bits, not bytes.
2431 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2432 __pic__ for little endian.
2434 2000-04-13 Andreas Jaeger <aj@suse.de>
2436 * config/i386/i386-protos.h: Add prototype for
2437 uno_comparison_operator.
2439 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2441 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2442 * calls.c (ECF_PURE): New flag.
2443 (emit_call_1): Handle ECF_PURE calls.
2444 (initialize_argument_information): Unset ECF_PURE flag too.
2445 (precompute_arguments): Precompute for ECF_PURE too.
2446 (expand_call): Handle ECF_PURE calls too.
2447 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2448 accept value of 2 as pure function.
2449 (emit_library_call_value, emit_library_call): Rename no_queue argument
2451 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2453 * tree.h (DECL_IS_PURE): New macro.
2454 (struct tree_decl): Add pure_flag.
2455 * c-common.c (enum attrs): Add attribute "pure".
2456 (init_attributes): Initialize attribute "pure"
2457 (decl_attributes): Handle attribute "pure".
2458 * extend.texi (Attribute "pure"): Document.
2459 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2461 (flags_from_decl_or_type): Support attribute "pure".
2463 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2465 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2466 the token except for numbers and identifiers.
2468 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2470 * i386.c (ix86_expand_binary_operator,
2471 ix86_expand_unary_operator): Check no_new_pseudos
2472 instead of reload_in_progress and reload_completed.
2473 (ix86_split_ashldi, ix86_split_ashrdi,
2474 ix86_split_lshrdi): Check no_new_pseudos instead
2475 of reload_completed.
2477 2000-04-12 Jeffrey A Law (law@cygnus.com)
2479 * function.c (purge_addressof): Unshare any shared rtl created by
2480 purge_addressof and its children.
2482 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2484 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2487 2000-04-05 Andreas Jaeger <aj@suse.de>
2489 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2490 not compiling PIC code, add flags for mabi=64.
2491 (SUBTARGET_CPP_SIZE_SPEC): New.
2492 (SUBTARGET_CPP_SPEC): New.
2493 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2494 for MIPS/Linux and lots of code needs these defines.
2496 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2498 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2499 trying the "opposite arithmetic" approach.
2501 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2503 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2504 (struct sh_args): Add new field force_mem.
2505 (INIT_CUMULATIVE_ARGS): Initialize it.
2506 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2508 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2510 * calls.c (expand_call): Do not reverse args in "equal from" field.
2511 (emit_library_call_value_1): Emit_libcall_block for const and pure
2514 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2516 * reload1.c (reload_combine): Don't enable optimization for fixed
2517 registers when encountering a BARRIER.
2519 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2521 * builtins.c (expand_builtin_memcmp): Do expansion even with
2522 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2524 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2525 stack is propertly aligned; add sanity checking for aligned
2527 (expand_library_call_value_1): Add sanity checking for aligned
2530 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2532 * calls.c (emit_library_call_value_1): Change 3rd arg to
2533 locate_and_pad_parm to disregard the setting of partial.
2535 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2537 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2539 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2540 CALL_INSN from the normal case.
2542 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2544 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2545 New global variables.
2546 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2548 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2550 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2551 TARGET_ADD_ESP_8): New macros.
2552 * i386.md: Add peep2s to convert esp adjustments to push and pop
2554 (pushsi_prologue, popsi_epilogue): New patterns.
2556 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2558 * real.c (toe64): Remove stale #endif from the last change.
2560 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2562 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2563 * real.c (toe64): Revert previous change.
2565 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2567 * objc/objc-act.c: Include ggc.h.
2568 (objc_tree_index, objc_global_trees): Convert most of the
2569 static tree variables into a static array with previous names
2571 (objc_ellipsis_node): New variable.
2572 (lang_init): Call objc_act_parse_init and c_parse_init.
2573 Create objc_ellipsis_node.
2574 (build_selector_translation_table): Use objc_ellipsis_node instead
2576 (hack_method_prototype): Likewise.
2577 (get_arg_type_list): Likewise.
2578 (start_method_def): Likewise.
2579 (continue_method_def): Likewise.
2580 (gen_method_decl): Likewise.
2581 (ggc_mark_imp_list): New function.
2582 (ggc_mark_hash_table): New function.
2583 (objc_act_parse_init): New function.
2584 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2585 * c-parse.in (c_parse_init): For objc add roots of objc specific
2586 local tree variables.
2587 * objc/objc-parse.y: Rebuilt.
2588 * objc/objc-parse.c: Rebuilt.
2589 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2591 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2593 * cse.c (delete_trivially_dead_insns): Also delete insns
2594 that copy a register to itself where the destination is
2597 2000-04-11 Richard Henderson <rth@cygnus.com>
2599 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2600 (propagate_block): Initialize them. Use them in parallel instead
2601 of one tmp variable, ie revert much of the 0408 and 0407 functional
2602 changes, but keep the structural changes.
2603 (mark_set_regs): Take new_dead from propagate_block_info instead.
2604 (mark_set_1, mark_set_reg): Likewise.
2605 (mark_used_regs): Likewise with new_live.
2606 (mark_used_reg): Likewise. Revert 0408 change.
2608 2000-04-11 Nick Clifton <nickc@cygnus.com>
2610 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2612 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2614 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2616 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2617 const section to output a CONSTRUCTOR based on the same conditions
2620 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2622 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2623 * pa/pa-protos.h (output_call): Add additional argument indicating
2624 if the call is a sibling/tail call.
2625 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2626 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2627 (function_arg, function_arg_partial_nregs): Likewise
2628 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2629 (emit_move_sequence): Zero extend certain constants as needed
2631 (compute_zdepdi_operands, output_64bit_and): New functions.
2632 (output_64bit_ior, function_arg): Likewise.
2633 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2634 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2635 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2636 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2637 (output_bvb): Likewise.
2638 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2639 (output_call): New argument 'sibcall'. Generate sibcall sequences
2641 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2642 (ouput_arg_descriptor): Do not emit argument descriptors for
2644 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2646 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2647 (FUNCTION_OK_FOR_SIBALL): Define.
2648 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2649 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2650 (CPP_SPEC): Use new spec infrastructure.
2651 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2652 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2653 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2654 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2655 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2656 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2657 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2658 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2659 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2660 (FUNCTION_ARG); Call out to C code.
2661 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2662 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2663 (MIN_UNITS_PER_WORD): Likewise.
2664 * pa/pa.md (cmpdi): New expander.
2665 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2666 (64bit conditional arithmetic): New patterns.
2667 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2668 (movsicc): Not available if modes on all the operands to not match.
2669 (movdicc): New expander and associated patterns.
2670 (64bit branches): New patterns.
2671 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2672 (pre_ldd, post_std): New patterns.
2673 (64bit addil, load low part): New patterns.
2674 (special movsf constant): Not available for TARGET_64BIT.
2675 (movsf, movdf expanders): Force constants into memory.
2676 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2677 (64bit movdf/movdi patterns): New patterns.
2678 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2680 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2681 (adddi3 expander): Allow "arith_operand" for second input.
2682 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2683 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2684 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2685 (muldi3): New expander for TARGET_64BIT.
2686 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2688 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2689 patterns for TARGET_64BIT.
2690 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2691 patterns for TARGET_64BIT.
2692 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2693 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2694 (sibcall_epilogue): New expander.
2695 (casesi): Tweak for TARGET_64BIT.
2696 (call expanders): Set & use the outgoing argument pointer. Use the
2697 64bit call patterns as needed. Add additional arg to output_call.
2698 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2699 (sibcall, sibcall_internal_symref): New expanders.
2700 (sibcall_value, sibcall_value_internal_symref
2701 (interspace_jump): Turn into an expander + matching patterns.
2702 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2703 * pa/pa64-regs.h: Eliminate trigraph sequences.
2704 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2706 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2708 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2709 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2710 cpp_token with cpp_ttype everywhere.
2711 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2712 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2713 CPP_BUF_COL. Line and column numbers are unsigned int, not
2715 * cpplex.c (cpp_buf_line_and_col): Delete.
2716 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2717 'long lineno' to 'unsigned int lineno'.
2718 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2720 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2722 * extend.texi: ISO C99 is not a draft anymore.
2723 * invoke.texi: ISO C++ is not a draft anymore.
2724 * cpp.texi: __cplusplus is required by the ISO standard.
2726 * extend.texi (-fthis-is-variable): Undocument.
2727 * flags.h (warn_template_debugging): Remove declaration.
2728 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2729 -Wenum-clash, -Wtemplate-debugging): Undocument.
2731 2000-04-10 Nick Clifton <nickc@cygnus.com>
2733 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2735 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2737 (ARM_SIGN_EXTEND): Use HOST_UINT.
2738 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2739 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2740 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2741 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2743 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2744 (arm_gen_constant): Use HOST_UINT.
2745 (arm_canonicalize_constant): Use HOST_UINT.
2746 (arm_reload_in_hi): Use HOST_UINT.
2747 (arm_reload_out_hi): Use HOST_UINT.
2748 (output_multi_immediate): Use HOST_UINT.
2749 (int_log2): Use HOST_UINT.
2750 (arm_poke_function_name): Use HOST_UINT.
2751 (arm_output_epilogue): Use arm_volatile_func().
2752 (output_thumb_prologue): Use arm_strip_name_encoding().
2754 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2756 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2757 of sequence point problems.
2759 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2761 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2763 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2765 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2767 * sbitmap.h: Whitespace changes and use upper-case macro args.
2768 (struct simple_bitmap_def): All sizes now unsigned.
2769 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2770 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2771 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2772 (sbitmap_zero): Cast bzero arg to PTR.
2773 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2774 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2775 loop to make structure clearer.
2776 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2777 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2778 (sbitmap_a_and_b_or_c): Likewise.
2779 (sbitmap_intersection_of_succs): Minor cleanups.
2780 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2781 (sbitmap_union_of_preds): Likewise.
2782 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2783 (debug_sbitmap): New function.
2785 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2786 * c-typeck.c (convert_for_assignment): Likewise.
2788 * expmed.c (init_expmed): Don't free objects we make.
2789 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2791 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2792 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2794 * gcse.c (expr_hash_table_size): Now unsigned.
2795 (compute_ae_gen): Local variable `i' now unsigned.
2796 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2797 (compute_transout, hoist_code): Likewise.
2798 (compute_local_properties): Likewise, also hash_table_size.
2799 (alloc_expr_hash_table): N_INSNS now unsigned.
2800 (delete_null_pointer_checks): Mark arg F as unused.
2802 * regrename.c: Minor cleanups, including chang some variables
2805 2000-04-10 Neil Booth <NeilB@earthling.net>
2807 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2809 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2811 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2813 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2814 __classof__, and __headof__ from the list of gnu keywords.
2815 (-ansi): Remove -foperator-names from list of implied options.
2816 Do not call it ANSI C++.
2817 (-foperator-names): Document as -fno-operator-names.
2819 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2821 * cpphash.c (timestamp): Delete.
2822 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2823 (special_symbol): Remove unnecessary braces. Remove
2824 T_VERSION. Treat T_STDC like T_CONST unless
2825 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2826 when one is encountered, then convert them into T_MCONST
2828 * cppinit.c (builtin_array): version_string is T_MCONST.
2829 __STDC__ has a "1" in its cpval. Don't have a terminator
2830 entry. Clean up which entries are dumped.
2831 (initialize_builtins): Only __STDC__ gets the special
2832 -traditional treatment. Count the length of builtin_array.
2833 Render version_string here.
2834 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2835 * cpplib.h (struct cpp_reader): Remove timebuf.
2837 2000-04-09 Richard Henderson <rth@cygnus.com>
2839 * genrecog.c (pred): Update comparison_operator for the unordered
2842 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2844 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2845 (uno_comparison_operator): New.
2846 (put_condition_code): Handle UNORDERED/ORDERED.
2847 (unsigned_comparison): Likewise.
2848 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2849 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2850 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2851 update all callers. Handle all 8 unordered operators.
2852 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2853 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2854 * config/i386/i386.h (PREDICATE_CODES): Update.
2855 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2856 (ix86_expand_branch, ix86_expand_setcc): Update.
2857 * config/i386/i386.md (sunordered, sordered): New.
2858 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2859 (bunordered, bordered): New.
2860 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2861 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2862 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2864 2000-04-09 Philip Blundell <philb@gnu.org>
2866 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2868 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2870 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2871 fix_truncxfhi2): New patterns.
2872 * i386.c (output_fix_trunc): Handle converting to HImode.
2874 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2876 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2878 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2879 (for_each_successor_phi): Change parameter to basic_block.
2880 (coalesce_regs_in_successor_phi_nodes): Likewise.
2881 (coalesce_regs_in_copies): Likewise.
2882 (compute_coalesced_reg_partition): Use basic_block instead of index.
2883 * rtl.h (convert_to_ssa): Delete.
2884 (convert_from_ssa): Likewise.
2885 (successor_phi_fn): Likewise.
2886 (for_each_successor_phi): Likewise.
2887 (in_ssa_form): Likewise.
2888 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2889 (convert_from_ssa): Likewise.
2890 (successor_phi_fn): Likewise.
2891 (in_ssa_form): Likewise.
2892 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2893 * flow.c (calculate_global_regs_live): Pass a basic_block to
2894 for_each_successor_phi.
2896 2000-04-08 Richard Henderson <rth@cygnus.com>
2898 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2899 was modified in the current insn.
2901 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2903 * arm/thumb.md: Delete.
2904 * arm/thumb-protos.h: Delete.
2906 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2908 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2910 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2912 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2915 * arm.md (nop): Use the standard RTL expression. Don't code as a
2917 (*arm_nop, *thumb_nop): Delete.
2919 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2920 constants. Use casts instead.
2921 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2922 output_multi_immediate, arm_poke_function_name): Likewise.
2923 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2924 MASK_RETURN_ADDDR): Likewise.
2926 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2928 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2931 * arm.md (eh_epilogue): New function.
2932 * arm.h (struct machine_function): Move to here ...
2933 * arm.c: ... from here.
2934 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2935 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2936 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2938 2000-03-30 Nick Clifton <nickc@cygnus.com>
2940 * config/arm/semi.h (ASM_SPEC): Restore definition.
2941 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2943 * config/arm/elf.h (ASM_SPEC): Restore definition.
2944 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2946 * config/arm/arm.h (ASM_SPEC): Remove definition.
2947 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2949 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2951 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2953 2000-03-24 Nick Clifton <nickc@cygnus.com>
2955 Various formating tidyups, elimination of compile time
2956 warnings and synchronisation with internal sources:
2958 * config/arm/arm-protos.h (assemble_align): Add prototype.
2959 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2960 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2961 (arm_return_addr_rtx): Rename to arm_return_addr.
2963 * config/arm/arm.c: Include except.h.
2964 Define shorter typenames for strict minipool_node and struct
2966 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2968 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2969 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2971 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2973 (ASM_SPEC): Define if not already defined.
2974 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2976 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2977 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2978 arm_gen_compare_reg.
2979 (indirect_jump): Only accept register operands.
2980 (load_indirect_jump): Keep this pattern since combine can generate
2983 * config/arm/coff.h: Include aout.h.
2984 (MULTILIB_DEFAULTS): Only define if not already defined.
2986 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2987 into arm.h (so that COFF ports can support thumb based aliases).
2988 (ASM_SPEC): Move definition into arm.h
2990 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2991 redundant apcs spec.
2992 (ASM_SPEC): Move definition to arm.h
2994 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2996 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2997 for entries in the .bss section
2999 2000-03-23 Nick Clifton <nickc@cygnus.com>
3001 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
3002 to thumb_far_jump_used_p.
3004 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
3005 single integer parameter.
3007 * config/arm/arm.c (struct machine_function): Add two new
3008 fields, 'far_jump_used' and 'arg_pointer_live'.
3009 (thumb_far_jump_used_p): Once the decision has been made that
3010 far jumps might be used, always return true.
3011 If being called from the initial elimination offset macro then
3012 do not bother to perform the test if the arg pointer is not
3014 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
3015 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
3017 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
3019 * arm.c (output_return_instruction): Handle more cases where we can
3020 return from a function with an ldr instruction.
3021 (arm_output_epilogue): Likewise.
3023 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
3024 if we need to push a large stack frame and there are no callee-saved
3027 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
3028 in ARM code if the frame pointer has been eliminated.
3030 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
3031 unspec_volatile arguments to avoid duplicates.
3032 (consttable_1, consttable_2): Fixes for big-endian mode.
3034 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
3037 Re-write constant pool code.
3038 * arm.c (minipool_node, minipool_fix): New types.
3039 (minifix): Delete type.
3040 (arm_add_minipool_constant): Delete.
3041 (arm_compute_minipool_offsets, arm_find_barrier,
3042 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
3043 (get_jump_table_size): Now returns HOST_WIDE_INT.
3044 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
3046 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
3047 (assign_minipool_offsets, arm_print_value): Likewise.
3048 (dump_minipool): Rewrite.
3049 (arm_barrier_cost): New function.
3050 (create_fix_barrier): New function.
3051 (push_minipool_barrier): New function.
3052 (push_minipool_fix): Record additional information about the fixup
3054 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
3055 check the mode of what needs fixing.
3056 (arm_reorg): Rewrite.
3058 2000-03-08 Nick Clifton <nickc@cygnus.com>
3060 * config/arm/arm.md (indirect_jump): Force constant addresses into
3063 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
3065 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
3067 2000-02-24 Nick Clifton <nickc@cygnus.com>
3069 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
3070 adjust is word aligned.
3071 (thumb_expand_epilogue): Make sure that stack adjust is word
3074 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
3076 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
3078 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
3079 pointer relative addresses.
3081 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
3083 * arm.c (find_barrier): Find the last barrier within the allowed
3086 2000-02-09 Nick Clifton <nickc@cygnus.com>
3088 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
3090 2000-02-09 Nick Clifton <nickc@cygnus.com>
3092 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
3093 ARM_FUNCTION_PROFILER.
3095 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
3096 ARM_FUNCTION_PROFILER.
3098 * config/arm/linux-oldld.h: Imported from mainline sources.
3100 2000-02-07 Nick Clifton <nickc@cygnus.com>
3102 * config/arm/lib1funcs.asm: Merge in thumb functions from
3105 * config/arm/lib1thumb.asm: Delete.
3107 2000-02-04 Nick Clifton <nickc@cygnus.com>
3109 * config/arm/arm.c: Sychronised with current Red hat local
3111 * config/arm/arm.h: Ditto.
3112 * config/arm/arm-protos.h: Ditto.
3114 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
3116 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
3118 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
3121 2000-02-02 Nick Clifton <nickc@cygnus.com>
3123 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
3125 * config/arm/arm.md (epilogue): Fix rtl checking abort because
3126 (return) was emited using an emit_insn() call.
3128 2000-01-31 Nick Clifton <nickc@cygnus.com>
3130 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
3132 (thumb_exit): Move frame pointer back into hard frame pointer
3133 register if backtracing is being used.
3135 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
3137 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
3140 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
3142 * config/arm/arm.md (neg_pool_offset): Provide default for new
3144 (arm_movsi_insn): Add neg_pool_offset attribute.
3145 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
3146 rtx for the insn that starts the scan and an unsigned long for its
3147 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
3148 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
3149 instructions in *PINSERTED.
3150 (struct minipool_fixup): Add MIN_ADDRESS elt.
3151 (sort_fixups): Compute it.
3152 (arm_reorg): Changes to support inserting pools before the insn to be
3155 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
3157 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
3158 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
3159 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
3161 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
3163 * config/arm/semi.h (TARGET_VERSION): Do not define if already
3165 (TARGET_DEFAULT): Do not define if already defined.
3167 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
3169 * config/arm/arm.md (anddi3): Allow disjoint source operands.
3170 (iordi3): Allow disjoint source operands.
3171 (xordi3): Allow disjoint source operands.
3172 (negdi2): Permit construction for ARM and Thumb.
3173 (arm_negdi2): Renamed version of old negdi2 pattern.
3174 (thumb_negdi2): New pattern: Only permit non-overlapping
3175 source and destination.
3177 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
3179 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
3180 scratch low register so that it will not be deleted.
3182 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
3184 * config/arm/pe.h (ARM_PE): Define.
3186 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
3187 interfacearm attribute if this is a PE toolchain.
3188 (output_return_instruction): Do not emit anything if the function
3189 has the naked attribute set.
3190 (is_called_in_ARM_mode): If the function has the interfacearm
3191 attribute then return true.
3192 (thumb_expand_prologue): Do not generate a prologue for naked
3194 (thumb_expand_epilogue): Do not generate an epilogie for a naked
3196 (output_thumb_prologue): Do not bother if the function is naked.
3197 Strip PE encoding from function name before emitting.
3199 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3201 * arm.md (pic_load_addr): Fix constraints.
3203 * arm.md (casesi_insn): Fix mis-applied patch.
3205 * arm.md ("core" function unit): Add rules for single- and
3207 (All TARGET_THUMB patterns): Add "type" attribute information
3209 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3210 the following insn is a CALL.
3212 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3214 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3215 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3216 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3218 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3220 * config/arm/linux-gas.h: oops - this file was missed out when the
3221 branch was created...
3223 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3225 * thumb.c: Deleted. Move contents to ...
3227 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3229 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3232 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3233 declare a prototype for asm_output_align();
3235 * arm.c (thumb_condition_code): Delete.
3236 (arm_print_operand): Always use arm_condition_code array.
3238 * arm.c (thumb_return_addr_rtx): Delete.
3239 (arm_save_machine_status, arm_restore_machine_status): Delete.
3240 (arm_init_machine_status, arm_mark_machine_status): New functions.
3241 (arm_init_expanders): Update accordingly.
3242 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3243 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3244 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3246 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3248 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3250 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3253 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3255 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3256 stack backtrace structure.
3258 * config/arm/arm-protos.h: Add prototypes for functions defined in
3261 * config/arm/arm.c (arm_override_options): Fix selection of
3262 attributes of default processor.
3264 * config/arm/coff.h: Delete needless #include.
3266 * config/arm/pe.c: Delete unused code.
3268 * config/arm/pe.h (CPP_DEFINES): Delete
3269 (SUBTARGET_CPP_SPEC): Define.
3270 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3272 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3274 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3276 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3278 (CAN_DEBUG_WITHOUT_FP): Define.
3279 (FIXED_REGISTERS): Make r11 call-saved.
3280 (CALL_USED_REGISTERS): Likewise.
3281 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3282 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3283 frame-pointer is required.
3284 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3285 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3286 if the target normally needs a stack frame in non-leaf functions.
3287 (use_return_insn): Correct logic for determining when a return
3288 instruction can be used.
3289 (output_return_instruction): Handle the frame-pointer register as
3290 a normal register when not TARGET_APCS_FRAME.
3291 (arm_output_prologue): Likewise.
3292 (arm_output_epilogue): Likewise.
3293 (output_func_epilogue): Likewise.
3294 (arm_expand_prologue): Likewise.
3295 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3297 * arm.c (use_return_insn): No need to check floating point regs if
3299 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3300 the code of value stored in the minipool array.
3301 (arm_add_minipool_constant): Likewise.
3303 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3305 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3307 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3309 * tree.c (tree_expr_nonnegative_p): New function.
3311 * tree.h (tree_expr_nonnegative_p): Declare.
3313 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3314 elide some sign_compare warnings.
3315 (build_conditional_expr): Likewise.
3317 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3319 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3321 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3322 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3323 operand. Abort if a 387 operand has an unsupported size.
3325 2000-04-08 Neil Booth <NeilB@earthling.net>
3327 * cppexp.c (parse_charconst): Null does not end character
3329 * cppinit.c (ISTABLE): Null character handled as whitespace.
3330 * cpplex.c (null_warning): new function.
3331 (skip_string): Emit warning if nulls encountered.
3332 (_cpp_skip_hspace): Emit warning if nulls encountered.
3333 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3337 2000-04-07 Richard Henderson <rth@cygnus.com>
3339 * flow.c (loop_depth): Remove.
3340 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3341 (struct propagate_block_info): New.
3342 (life_analysis): Don't allocate reg_next_use.
3343 (propagate_block_delete_insn): Break out of propagate_block.
3344 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3345 (propagate_block_delete_libcall): Likewise.
3346 (propagate_block): Create a propagate_block_info struct to pass
3347 to subroutines. Allocate one not two temporary regsets. Don't
3348 clobber memory for const calls. Look for clobbers in
3349 CALL_INSN_FUNCTION_USAGE.
3350 (mark_set_regs): Recognize COND_EXEC.
3351 (mark_set_reg): Break out of mark_set_1.
3352 (mark_used_reg): Break out of mark_used_regs.
3353 (mark_used_regs): Recognize COND_EXEC.
3354 (insn_dead_p): Use propagate_block_info struct.
3355 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3356 (find_auto_inc, try_pre_increment_1): Likewise.
3357 (print_rtl_with_bb): Dump regs live at end too.
3358 (count_reg_sets_1): Pass in loop_depth.
3359 (count_reg_sets, count_reg_references): Likewise.
3360 (recompute_reg_usage): Provide it.
3362 2000-04-07 Richard Henderson <rth@cygnus.com>
3364 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3367 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3369 * cpplib.c (do_elif): Skip the rest of the line if we're
3370 not going to bother evaluating it.
3371 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3372 to avoid pointless calls to the lexer.
3374 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3376 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3378 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3380 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3382 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3384 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3386 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3388 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3389 crtend so they can be multilibbed.
3390 (STAGESTUFF): Remove s-crt and s-crtS.
3392 2000-04-07 Richard Henderson <rth@cygnus.com>
3394 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3395 if we discover we need a pseudo and no_new_pseudos is true.
3396 * config/alpha/alpha.md (ne:DI insn): New.
3397 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3399 2000-04-07 Richard Henderson <rth@cygnus.com>
3401 * rtl.def (COND_EXEC): New.
3402 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3403 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3405 * genconfig.c (have_cond_arith_flag): Remove.
3406 (have_cond_exec_flag): New.
3407 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3408 (main): Print HAVE_conditional_execution.
3410 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3411 (sched_analyze_insn, print_pattern): Likewise.
3412 * reload.c (find_equiv_reg): Likewise.
3413 * rtlanal.c (reg_referenced_p): Likewise.
3414 (note_stores, dead_or_set_regno_p): Likewise.
3415 (reg_overlap_mentioned_p): Rewrite to use a switch.
3417 * ggc.h (struct rtx_def): Forward declare.
3419 * print-rtl.c (debug_rtx_range): New.
3420 * rtl.h (debug_rtx_range): Declare.
3422 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3424 * gcse.c (gcse_main): Don't rebuild the CFG here.
3425 (delete_null_pointer_checks): Likewise.
3426 * ssa.c (convert_to_ssa): Likewise.
3427 * toplev.c (rest_of_compilation): Do it here instead. Combine
3428 sequential calls to TIMEVAR. Consistently use `insns' instead of
3429 `get_insns()'. Always split insns after reload when optimizing.
3431 * basic-block.h (merge_blocks_nomove): Declare.
3432 (tidy_fallthru_edge): Declare.
3433 * flow.c (merge_blocks_nomove): Document as merging into previous
3434 blocks. Remove cruft from between blocks; remove all edges out of A.
3435 (tidy_fallthru_edge): Export.
3437 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3439 * ssa.c (compute_conservative_reg_partition): Declare with
3441 * toplev.c (clean_dump_file): Remove previously-deleted function
3442 inadvertantly merged back in.
3443 * conflict.c (conflict_graph_add): Use a single call to
3444 htab_find_slot to look up and insert.
3446 2000-04-06 Richard Henderson <rth@cygnus.com>
3448 * genrecog.c (*): Rename _last_insn to last_insn.
3449 (make_insn_sequence): Set the position of the peephole2 C test
3450 to be at the last insn.
3452 2000-04-06 Richard Henderson <rth@cygnus.com>
3454 * flow.c (compute_flow_dominators): Free worklist.
3456 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3458 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3460 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3462 * rtl.h (INSN_P): New macro.
3463 (successor_phi_fn): New typedef.
3464 (for_each_successor_phi): New prototype.
3465 (in_ssa_form): New variable.
3466 (PHI_NODE_P): Likewise.
3467 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3468 phi nodes in successors.
3469 (mark_used_regs): Add PHI case.
3470 (set_phi_alternative_reg): New function.
3471 (life_analysis): Assert that dead code elimination is not selected
3473 * toplev.c (to_ssa_time): New variable.
3474 (from_ssa_time): Likewise.
3475 (compile_file): Zero to_ssa_time and from_ssa_time.
3476 Print time to convert to and from SSA.
3477 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3478 (print_time): Compute percent fraction as integer.
3479 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3480 (convert_to_ssa): Check if we're already in SSA.
3481 Don't eliminate dead code in life_analysis.
3482 Rerun flow and life analysis at bottom.
3483 (eliminate_phi): Use canonical regnos when adding nodes.
3484 (mark_reg_in_phi): New function.
3485 (mark_phi_and_copy_regs): Likewise.
3486 (convert_from_ssa): Rerun life analysis at top.
3487 Use coalesced partition.
3488 Check for removing a phi node at the end of the block.
3489 (compute_coalesced_reg_partition): New function.
3490 (coalesce_regs_in_copies): Likewise.
3491 (coalesce_reg_in_phi): Likewise.
3492 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3493 (for_each_successor_phi): Likewise.
3494 (rename_context): New struct.
3495 (rename_block): Use a rename_context with rename_insn_1. When
3496 renaming sets of a subreg, emit a copy of the entire reg first.
3497 (rename_insn_1): Treat data as a rename_context *. Save current
3499 (rename_set_data): Add field set_insn.
3500 * Makefile.in (HASHTAB_H): Move up in file.
3501 (OBSTACK_H): New macro.
3502 (collect2.o): Use OBSTACK_H in dependencies.
3503 (sdbout.o): Likewise.
3504 (emit-rtl.o): Likewise.
3505 (simplify-rtx.o): Likewise.
3506 (fix-header.o): Likewise.
3507 (OBJS): Add conflict.o.
3508 (conflict.o): New rule.
3509 * basic-block.h: Include partition.h.
3510 (conflict_graph): New typedef.
3511 (conflict_graph_enum_fn): Likewise.
3512 (conflict_graph_new): New prototype.
3513 (conflict_graph_delete): Likewise.
3514 (conflict_graph_add): Likewise.
3515 (conflict_graph_conflict_p): Likewise.
3516 (conflict_graph_enum): Likewise.
3517 (conflict_graph_merge_regs): Likewise.
3518 (conflict_graph_print): Likewise.
3519 (conflict_graph_compute): Likewise.
3520 * conflict.c: New file.
3522 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3524 * tlink.c (read_repo_files): Don't look for .rpo info for
3527 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3529 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3531 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3533 * config/sh/lib1funcs.asm (___udivsi3_i4):
3534 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3535 only depends on FMOVD_WORKS.
3537 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3539 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3540 make double constant 8-byte aligned.
3542 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3544 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3545 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3546 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3547 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3548 Accept storing GENERAL_REGS into offsetable memory.
3549 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3550 building a TFmode constant other than 0.0L into GENERAL_REGS.
3552 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3554 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3556 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3558 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3559 (macro_cleanup): No need to cast pbuf->macro.
3560 (collect_expansion): Use _cpp_get_define_token. Goto done if
3561 it returns VSPACE. Remove check for trailing space after
3563 (_cpp_create_definition): Don't diddle flags here. Return
3565 (unsafe_chars): Handle c1 being EOF.
3566 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3567 checks. Don't push the buffer till after we're done with
3569 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3570 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3571 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3573 (_cpp_parse_assertion): Don't NUL terminate.
3574 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3575 hspace before calling _cpp_parse_assertion. Remove all sets
3576 of only_seen_white. Treat '\f' as hspace. Don't do anything
3577 special with '\n' here.
3578 (maybe_macroexpand): Handle T_EMPTY hash entries without
3579 pushing a buffer at all.
3580 (cpp_get_token): Handle clearing only_seen_white here. Handle
3581 incrementing the line number here. Clear
3582 potential_control_macro as well as only_seen_white, if
3584 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3585 (_cpp_get_define_token): New function, basically like
3586 _cpp_get_directive_token was but doesn't eat horizontal space.
3587 Don't do anything with only_seen_white here.
3588 (_cpp_get_directive_token): Just call _cpp_get_define_token
3589 repeatedly till it returns non-hspace.
3591 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3592 (conditional_skip, skip_if_group): Return int.
3593 (DIRECTIVE_TABLE): Change origin of all conditional directives
3595 (TRAD_DIRECT_P): New macro.
3596 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3597 an error for a bogus directive, unless -lang-asm. Use
3598 TRAD_DIRECT_P. Loop calling handler functions till one returns
3600 (get_macro_name): Don't diddle flags here.
3601 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3602 Create T_EMPTY nodes for #define macro /* nothing */.
3603 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3604 Use hp->name when calling pass_thru_directive.
3605 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3606 Return the result of conditional_skip and/or skip_if_group.
3607 Don't call _cpp_output_line_command.
3608 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3609 Issue -Wtraditional warnings as appropriate. Don't complain
3610 about unrecognized directives. If we are to stop skipping,
3611 return the number of the directive that ended the skip.
3612 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3613 expansion and line commands while skipping. Return the result
3614 of consider_directive_while_skipping, if nonzero.
3615 (do_endif): Just set potential_control_macro here.
3616 (validate_else): Use _cpp_get_directive_token.
3617 (do_assert, do_unassert): Don't save pointers into the
3618 token_buffer across calls to the lexer. Use
3619 _cpp_get_directive_token.
3621 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3622 pointer, not an offset. Replace 'data', which was a generic
3623 pointer, with 'macro', which points to a struct hashnode.
3624 (cpp_reader): Add 'potential_control_macro' pointer.
3625 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3626 (CPP_BUF_GET, CPP_FORWARD): Delete.
3627 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3628 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3629 ACTIVE_MARK_P): Update.
3630 (_cpp_get_define_token): New internal function.
3631 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3633 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3635 * configure.in: And here.
3636 * configure: Regenerate.
3637 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3638 --enable-libstdcxx-v3 is passed at configure time.
3639 * config.h.in: Regenerate.
3641 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3643 * final.c (final): Use xcalloc to allocate line_note_exists.
3644 * function.c (free_after_compilation): Free the temp_slots.
3645 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3646 (combine_temp_slot): Free temp_slots when they get combined.
3647 (purge_addressof): Fix typo in comment.
3648 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3649 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3651 * ggc.h: Include varray.h.
3652 (ggc_pending_trees): Declare.
3653 (ggc_mark_tree_children): Remove declaration.
3654 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3655 * ggc-common.c (ggc_pending_trees): New variable.
3656 (ggc_mark_roots): Call ggc_mark_trees.
3657 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3658 the ggc_pending_trees.
3659 * Makefile.in (GGC_H): New variable. Use it throughout in place
3662 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3664 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3667 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3669 * sh.c (sh_insn_length_adjustment): New function.
3670 * sh-protos.h (sh_insn_length_adjustment): Declare.
3671 * sh.h (ADJUST_INSN_LENGTH): Use it.
3673 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3675 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3676 from the insn where REG_RETVAL is added.
3677 (emit_no_conflict_block): Ditto.
3679 * md.texi (Standard Names): Clarify when movX is needed.
3681 * combine.c (simplify_comparison) [MINUS]: Do not replace
3682 all (op (minus A B) 0) with (op A B).
3684 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3685 J"orn Rennecke <amylaar@cygnus.co.uk>
3687 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3688 (block_lump_real): Likewise.
3690 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3692 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3693 remaining non-zero debugging masks.
3695 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3697 * basic-block.h (verify_flow_info): Declare.
3698 (flow_loop_outside_edge_p): Declare.
3699 * flow.c (verify_flow_info): Remove declaration.
3700 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3702 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3704 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3707 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3709 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3710 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3711 seqdi_zero_trunc+1): Allow splits only if registers are
3714 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3716 * acconfig.h: Add HAVE_GAS_HIDDEN.
3717 * config.in: Regenerated.
3718 * configure.in: Add test for .hidden pseudo-op in gas.
3719 * configure: Regenerated.
3720 * crtstuff.c: Include auto-host.h.
3721 Emit additional .hidden pseudo-op for __dso_handle if the
3722 assembler knows about it.
3724 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3726 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3727 before freeing argnames.
3728 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3730 2000-04-05 Michael Meissner <meissner@redhat.com>
3732 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3733 Walton <jonboy@gordian.com> to make memory references with update
3734 work wtih -mregnames.
3736 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3738 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3739 (regrename_optimize): Rename variables `def_uses' and
3740 `ext_basic_blocks' to avoid conflicts with similarly named
3741 typedefs in traditional C.
3743 * calls.c (initialize_argument_information): Fix typo in previous
3746 2000-04-04 Richard Henderson <rth@cygnus.com>
3748 * regrename.c (consider_available): Test fixed_regs not
3749 PIC_OFFSET_TABLE_REGNUM.
3751 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3753 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3755 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3756 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3757 (ENDFILE_LINUX_SPEC): Always use crtend.
3758 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3759 (powerpc-*-linux-gnu): Likewise.
3760 * configure: Regenerate.
3762 * config/rs6000/eabi.h: Don't include sysv4.h.
3763 (MULTILIB_DEFAULTS): Don't define.
3764 * config/rs6000/eabiaix.h: Don't include eabi.h.
3765 * config/rs6000/eabile.h: Delete.
3766 * config/rs6000/eabilesim.h: Delete.
3767 * config/rs6000/eabisim.h: Don't include eabi.h.
3768 * config/rs6000/linux.h: Don't include sysv4.h.
3769 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3770 (MULTILIB_DEFAULTS): Don't redefine.
3771 * config/rs6000/rtems.h: Don't include eabi.h.
3772 * config/rs6000/sol2.h: Don't include sysv4le.h.
3773 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3774 * config/rs6000/t-ppc: Delete.
3775 * config/rs6000/t-ppcgas: Correct comment.
3776 * config/rs6000/t-ppcos: Correct comment. Don't build
3777 multilibs for -fPIC, rather use -fPIC -mstrict-align
3779 * config/rs6000/t-ppc: Delete.
3780 * config/rs6000/vxppc.h: Don't include sysv4.h.
3781 * config/rs6000/vxppcle.h: Delete.
3782 * configure.in: Use multiple header files for p2pc ELF targets
3783 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3784 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3785 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3786 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3787 always available for these platforms.
3789 2000-04-04 Richard Henderson <rth@cygnus.com>
3791 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3793 2000-04-04 Stan Cox <scox@cygnus.com>
3795 * Makefile.in: Add rules for regrename.o
3796 * regrename.c: New file.
3797 * rtl.h (regrename_optimize): Add prototype.
3798 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3799 (compile_file, decode_d_option): Add support for -frename-registers.
3800 (rest_of_compilation): Call regrename_optimize.
3801 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3804 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3806 * Makefile (gccbug): New target.
3807 (doc): Depend on it.
3808 * gcc.texi (Bugs): Link subnodes.
3810 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3811 Document severities, priorities, and classes in bug form.
3813 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3815 * cpplex.c (trigraph_map, speccase): Combine into single
3817 (NORMAL, NONTRI): New macros.
3818 (_cpp_read_and_prescan): Change to use unified table. Use
3819 is_hspace to test for whitespace.
3821 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3822 definition that doesn't provoke the "empty body in an
3823 if-statement" warning.
3825 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3827 * builtins.c (expand_builtin_strlen): Force the source to
3828 be a memory address.
3830 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3832 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3834 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3836 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3837 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3838 (ECF_IS_CONST): Rename to ECF_CONST.
3839 (special_function_p): Make static, change interface.
3840 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3841 (expand_call) ... here; convert number of variables to flags.
3842 (emit_library_call_vlue_1): Likewise.
3843 (setjmp_call_p): New function.
3844 (initialize_argument_information): Accepts flags as argument;
3846 (precompute_arguments): Likewise.
3847 * tree.h (special_function_p): Remove.
3848 (setjmp_call_p): Add prototype.
3850 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3852 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3853 so that addresses are offsetable by up to 16 bytes.
3854 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3855 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3858 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3859 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3860 (movsf): Don't force any constant to memory if target is integer
3862 Move fp_zero_operand check below the const0_rtx check.
3863 (movtf): Likewise. Also allow fp_zero_operand for stores into
3865 (movdf): Likewise. Also allow fp_zero_operand for stores into
3866 memory and into integer hard registers.
3867 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3868 movdf_const_intreg_sp64): Remove.
3869 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3871 (movdf_no_e_insn_v9_sp32): New pattern.
3872 (movdf_insn_v9only): Remove.
3873 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3874 (movdf_insn_sp64): Remove.
3875 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3876 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3877 (following splits): Rewrite conditions. Add two new splits
3878 for storing 0.0 into memory and registers.
3879 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3880 (movtf_insn_sp32): Redo constraints and conditions.
3881 (movtf_insn_vis_sp32): New pattern.
3882 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3883 (movtf_insn_hq_sp64): Likewise.
3884 (movtf_insn_hq_vis_sp64): New pattern.
3885 (movtf_insn_sp64): Redo constraints and conditions.
3886 (movtf_insn_vis_sp64): New pattern.
3887 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3888 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3890 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3891 -mvis or -m64 to take down the number of various reload patterns.
3893 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3895 * pa/pa-64.h: New file.
3896 * pa/pa64-regs.h: New file.
3897 * pa/pa64-start.h: New file.
3898 * pa/t-pa64: New file.
3899 * pa/xm-pa64hpux.h: New file.
3901 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3903 * sparc.c (output_restore_regs): Prototype.
3904 (sparc_emit_float_lib_cmp): Constification.
3906 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3908 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3911 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3912 (get_value_hash, hash_rtx): Likewise.
3914 * ssa.c (compute_conservative_reg_partition): Prototype.
3916 * tree.c (mark_hash_entry): Prototype.
3918 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3920 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3921 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3922 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3924 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3925 * objc/lang-specs.h: Likewise.
3927 2000-04-03 Neil Booth <NeilB@earthling.net>
3929 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3930 and SYNTAX_ERROR2. Replace `' in messages with ''.
3931 (op_to_str): Make re-entrant.
3932 (_cpp_parse_expr): Implement new error macros. Use | rather
3933 than || to logically or 2 boolean integers. Simply expression
3934 checking we have a left operand iff needed.
3936 2000-04-03 Nick Clifton <nickc@cygnus.com>
3938 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3940 2000-04-03 Philip Blundell <philb@gnu.org>
3942 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3944 2000-04-03 Felix Lee <flee@cygnus.com>
3946 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3947 (run_shell): Use it.
3949 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3951 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3952 (stmp-fixproto): ...rather than here.
3954 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3956 * pa.c (print_operand): Compute 'base' only inside the code paths
3959 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3961 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3964 2000-04-03 Philipp Thomas <pthomas@suse.de>
3966 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3968 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3970 * Makefile.in (alias.o): Depend on $(TREE_H).
3972 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3974 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3976 * cpplib.c (_cpp_handle_directive): Improve warnings for
3977 traditional C and indented directives.
3979 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3980 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3981 fixinc/inclhack.def: Indent the # of #include_next one space.
3982 * cp/rtti.c: Un-indent #if and #endif.
3984 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3985 syntax error, but an error has already been printed.
3986 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3987 message when called with nothing remaining on the line.
3988 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3989 OTHER token, not an ASSERTION.
3990 * cpplib.c (do_assert): When we create a 'base' node, clear
3991 its aschain pointer.
3993 2000-04-02 Neil Booth <NeilB@earthling.net>
3995 * cppexp.c: New typedef op_t. struct operation and struct
3996 token updated to use it.
3997 (op_to_str): New function.
3998 (_cpp_parse_expr): Error messages modified to use op_to_str.
4000 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4002 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
4003 before checking MUST_PASS_IN_STACK.
4005 2000-04-02 Neil Booth <NeilB@earthling.net>
4007 * cppexp.c: New FINISHED dummy token. Combine operator initial
4008 flags and initial priority into a single constant. New
4009 EQUALITY macro. New operator flag SHORT_CIRCUIT.
4010 (_parse_cpp_expr): Implement new constants. Take left operand
4011 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
4012 parse indicated by reducing FINISHED token. Remove new lines
4013 from cpp_error messages.
4015 2000-04-01 Mark Mitchell <mark@codesourcery.com>
4017 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
4020 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
4022 * cpplib.c: Include symcat.h. Add 'origin' field to struct
4023 directive. Add origin values to DIRECTIVE_TABLE. Generate
4024 the strings and function names on the fly. Take the #sccs
4025 entry out of the table if SCCS_DIRECTIVE is not defined.
4026 (_cpp_handle_directive): Decide if the # was at the beginning
4027 of the line here. Issue -pedantic warnings for extended
4028 directives here. Warn about K+R directives with the #
4029 indented, and C89/extended directives with the # not indented,
4031 (do_import, do_include_next, do_warning, do_ident, do_sccs,
4032 do_assert, do_unassert): Don't issue pedantic warning here.
4034 * cpphash.h: Add CPP_WTRADITIONAL macro.
4035 * cpplib.h (struct cpp_options): Rename warn_stringify to
4036 warn_traditional; update comments.
4037 * cppinit.c (handle_option): Set warn_traditional not
4039 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
4040 CPP_WTRADITIONAL (pfile).
4041 * cpplex.c (_cpp_lex_token): Don't decide if directives should
4042 be ignored in -traditional mode here.
4044 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
4045 to initialize speccase[] and trigraph_map[]. Delete all
4046 references to pfile->input_speccase. Always treat '?' as a
4047 special character. Remove table-initialization code from
4048 _cpp_init_input_buffer.
4050 * cpplib.h (struct cpp_reader): Remove input_speccase field.
4051 * cppinit.c (cpp_cleanup): Don't free input_speccase.
4053 2000-04-01 Richard Henderson <rth@cygnus.com>
4055 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
4056 (mostlyclean): Likewise.
4058 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
4059 (struct dump_file_info, enum dump_file_index, dump_file): New.
4060 (open_dump_file): Take a dump_file_index not a suffix, and a decl
4061 not a string. Clean out file if we havn't yet done so. Do nothing
4062 if the dump isn't enabled.
4063 (close_dump_file): Do nothing if the dump isn't open. Dump
4064 graph data if requested.
4065 (dump_rtl, clean_dump_file): Remove.
4066 (compile_file): Don't clean the dump files. Only finalize .bp dump
4067 if flag_test_coverage or flag_branch_probabilities. Only finalize
4068 .combine dump if optimizing. Iterate over dump_file to finalize the
4070 (rest_of_compilation): Update for open_dump_file/close_dump_file.
4071 Convert all uses of dump_rtl.
4072 (decode_d_option): Iterate over dump_file to implement 'a' and to
4073 locate pass-specific dumps.
4075 2000-04-01 Neil Booth <NeilB@earthling.net>
4077 * cppexp.c: Redefine priority constants.
4078 (_cpp_parse_expr): Replace left and right priority scheme with
4079 single priority logic. Move LOGICAL to same place as COMPARE.
4080 Remove bogus check for multiple unary +/- operators.
4082 2000-04-01 Neil Booth <NeilB@earthling.net>
4084 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
4085 within the switch statement. Binary operations break out of
4086 the switch naturally. '(' tokens handled by forcing
4087 immediate shift. ')' handled by forcing immediate reduce to
4088 the previous '('. New error messages.
4090 2000-03-31 Geoff Keating <geoffk@cygnus.com>
4092 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
4093 part', it's already in use. Use %K instead. Add a return at the
4094 end of what is now %K.
4095 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
4097 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4099 * builtins.c (expand_builtin_apply): Pass proper parameters to
4100 allocate_dynamic_stack_space.
4101 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
4102 update stack_pointer_delta; do not update arg_size_so_far.
4103 (compute_argument_block_size): Use stack_delta instead of
4104 stack_pointer_pending and arg_size_so_far.
4105 (expand_call): Add sanity checking for stack_pointer_delta;
4106 save and restore stack_pointer_delta for SIB, use
4107 stack_pointer_delta for alignment; do not update arg_space_so_far.
4108 (emit_library_call_value): Use stack_pointer_delta for alignment.
4109 (store_one_arg): Do not update arg_space_so_far.
4110 * explow.c (adjust_stack, anti_adjust_stack): Update
4111 stack_pointer_delta.
4112 (allocate_dynamic_stack_space): Add sanity checking for
4113 stack_pointer_delta.
4114 * expr.c (init_expr, clear_pending_stack_adjust): Clear
4115 stack_pointer_delta.
4116 (emit_push_insn): Update stack_pointer_delta.
4117 * function.h (struct expr_status): Add x_stack_pointer_delta;
4118 remove x_arg_space_so_far.
4119 (arg_space_so_far): Remove.
4120 (stack_pointer_delta): New macro.
4122 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
4124 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
4125 Reorder struct cpp_options and struct cpp_reader for better
4126 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
4127 takes two args. Change all 'char' flags to 'unsigned char'.
4128 Move show_column flag into struct cpp_options. Don't
4129 prototype cpp_options_init.
4130 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
4131 cppinit.c, cpplex.c, cpplib.c:
4132 Replace CPP_OPTIONS (pfile)->whatever with
4133 CPP_OPTION (pfile, whatever), and likewise for
4134 opts = CPP_OPTIONS (pfile); ... opts->whatever;
4136 * cppinit.c (merge_include_chains): Take a cpp_reader *.
4137 Extract CPP_OPTION (pfile, pending) and work with that
4139 (cpp_options_init): Delete.
4140 (cpp_reader_init): Turn on on-by-default options here.
4141 Allocate the pending structure here.
4142 (cl_options, enum opt_code): Define these from the same table,
4143 kept in a large macro. Add -fshow-column and -fno-show-column
4146 * cpperror.c (v_message): If show_column is off, don't print
4149 * cppmain.c: Update for new interface.
4150 * fix-header.c: Likewise.
4152 2000-03-30 Geoff Keating <geoffk@cygnus.com>
4154 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
4156 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
4157 are passed to any invocation of AR_FOR_TARGET.
4158 (AR_CREATE_FOR_TARGET): New macro.
4159 (AR_EXTRACT_FOR_TARGET): New macro.
4160 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
4161 AR_EXTRACT_FOR_TARGET.
4162 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
4163 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
4164 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
4165 AR_EXTRACT_FOR_TARGET to sub-makes.
4167 2000-03-31 Neil Booth <NeilB@earthling.net>
4169 * cppexp.c: Delete SKIP_OPERAND. Correct priority
4171 (_cpp_parse_expr): Check for multiple unary +/- operators.
4172 Correct priorities of ':' and '?'. Treat ')' as having a
4173 value. Ensure conditional expression is not void.
4175 2000-03-31 Mark Mitchell <mark@codesourcery.com>
4177 * alias.c (canon_rtx): Make it global.
4178 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
4180 * cse.c (struct table_elt): Add canon_exp.
4182 (invalidate): Canonicalize expressions only once.
4183 * rtl.h (canon_rtx): Declare.
4185 2000-03-30 Mark Mitchell <mark@codesourcery.com>
4187 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
4188 * alias.c (reg_known_value): Add comments.
4189 (init_alias_analysis): Likewise.
4190 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
4192 (cse_basic_block): Fix typo in comment.
4193 * emit-rtl.c: Include hashtab.h.
4194 (const_int_htab): New variable.
4195 (const_int_htab_hash): New function.
4196 (const_int_htab_eq): Likewise.
4197 (rtx_htab_mark_1): Likewise.
4198 (rtx_htab_mark): Likewise.
4199 (gen_rtx_CONST_INT): Cache all CONST_INTs.
4200 (unshare_all_rtx): Fix formatting.
4201 (init_emit_once): Initialize const_int_htab.
4202 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
4204 * rtl.texi: Document the fact that all CONST_INTs with the same
4207 2000-03-30 Richard Henderson <rth@cygnus.com>
4209 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4211 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4213 * configure.in: Comment out --enable-c-cpplib stanza.
4214 * configure: Regenerate.
4216 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4218 * expr.c (store_constructor): Properly compute displacement and
4219 alignment when offset is variable.
4221 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4222 cases of alignment in bytes.
4224 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4226 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4227 since it is used to generate c-parse.y.
4228 * objc-parse.c, objc-parse.y: Regenerated.
4230 * function.c (expand_function_end): Pass alignment argument to
4231 emit_block_move in bits, not bytes.
4233 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4235 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4238 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4240 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4241 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4242 * function.c (assign_parms): Likewise.
4243 * integrate.c (expand_inline_function): Likewise.
4244 * stmt.c (expand_decl): Likewise.
4245 (copy_rtx_and_substitute): Likewise.
4246 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4247 (clear_by_pieces): Fix error in last change.
4248 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4249 * function.h (regno_pointer_align): Now unsigned.
4250 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4252 * config/i386/i386.c (aligned_operand): Likewise.
4253 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4254 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4255 (unaligned_memory_operand): Likewise.
4256 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4257 Also make alignments and sizes unsigned and some whitespace cleanup.
4258 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4260 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4261 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4262 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4263 (expand_builtin_memset): Likewise, but to clear_storage.
4264 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4265 (restore_fixed_argument_area): Likewise.
4266 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4267 (load_register_parameters): Likewise, to emit_group_load.
4268 (expand_call): Likewise, to emit_group_store and emit_block_move.
4269 (emit_library_call_value_1): Likewise, to emit_block_move.
4270 (store_one_arg): Likewise, and to emit_push_insn.
4271 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4272 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4273 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4274 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4275 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4276 (expand_assigment, store_expr, store_constructor_field): Likewise.
4277 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4278 (store_constructor, store_field, get_inner_reference): Likewise.
4279 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4280 (expand_expr, case COMPONENT_REF): Likewise.
4281 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4282 and positions; reindent code.
4283 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4284 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4285 (assign_parms): Likewise to emit_group_store.
4286 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4287 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4288 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4289 (expand_return): Likewise to {extract,store}_bit_field.
4290 * stor-layout.c (get_mode_alignment): Minor cleanup.
4291 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4292 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4294 2000-03-29 Nick Clifton <nickc@cygnus.com>
4296 * config/arm/arm.h: Undo effects of previous delta:
4297 (ASM_SPEC): Do not define.
4298 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4300 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4303 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4305 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4306 only after reading in the primary source file.
4308 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4310 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4311 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4312 or a reference to a va_list.
4313 * builtins.c (stabilize_va_list): Simplify now we don't have to
4314 work around C array address decay.
4315 * c-typeck.c (convert_for_assignment): Handle assignment to
4316 a reference parameter by taking the address of the RHS.
4317 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4318 (va_copy): Likewise.
4319 (__va_copy): Likewise.
4320 * ginclude/varargs.h (va_start): Likewise.
4321 (__va_copy): Likewise.
4323 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4325 * i386/djgpp.h: Remove extraneous "+".
4327 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4329 * calls.c (expand_call): Fix typo in last change.
4331 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4333 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4336 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4338 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4339 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4340 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4341 * tree.c (bit_position, byte_position): Likewise.
4342 * tree.h: Declare new functions.
4344 2000-03-29 Nick Clifton <nickc@cygnus.com>
4346 * config/arm/arm.c: Minor formatting changes/
4347 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4349 (ASM_SPEC): Define if not already defined.
4351 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4353 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4356 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4358 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4359 value, don't output it as unsigned.
4361 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4363 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4365 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4367 * c-common.c (c_common_nodes_and_builtins): Don't special case
4368 cplus_mode when declaring builtin bzero/bcmp, always avoid
4369 prototype arguments.
4371 2000-03-29 Bruce Korb <bkorb@gnu.org>
4373 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4376 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4378 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4379 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4380 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4381 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4382 (save_fixed_argument_area, restore_fixed_argument_area):
4383 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4384 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4385 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4386 (precompute_register_parameters): Avoid #ifdefs on
4387 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4388 (stire_one_args): Likewise.
4389 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4390 (emit_library_call_value_1): Likewise.
4391 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4392 ACCUMULATE_OUTGOING_ARGS.
4393 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4395 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4396 (use_crosses_set_p): Likewise.
4397 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4398 #define ACCUMULATE_OUTGOING_ARGS 1.
4399 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4401 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4403 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4404 (TARGET_SWITCHES): Add push-args, no-push-args,
4405 accumulate-outgoing-args and no-accumulate-outgoing-args.
4406 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4407 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4408 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4410 (emit_push_insn): Likewise.
4411 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4412 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4413 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4414 (STACK_DYNAMIC_OFFSET): Define correctly for both
4415 ACCUMULATE_OUTGOING_ARGS and normal mode.
4416 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4417 * tm.texi (PUSH_ARGS): Document.
4418 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4420 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4422 * flags.h (flag_optimize_sibling_calls): Declare.
4423 * calls.c (expand_call): Fail sibcall when
4424 !flag_optimize_sibling_calls
4425 * invoke.texi (flag_optimize_sibling_calls): Document.
4426 * toplev.c (flag_optimize_sibling_calls): New global variable.
4427 (f_options): Add flag_optimize_sibling_calls.
4428 (rest_of_compilation): Conditionize
4429 optimize_sibling_and_tail_recursive_calls by
4430 flag_optimize_sibling_calls.
4431 (main): Set flag_optimize_sibling_calls for -O2.
4432 * stmt.c (expand_return): Conditionize tail recursion by
4433 flag_optimize_sibling_calls.
4435 2000-03-29 Richard Henderson <rth@cygnus.com>
4437 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4438 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4440 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4442 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4444 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4446 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4448 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4449 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4450 * config/rs6000/aix.h: then modified likewise.
4452 2000-03-28 Richard Henderson <rth@cygnus.com>
4454 * rtl.h: Redistribute enum reg_note documentation.
4455 Kill trailing whitespace.
4456 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4457 Kill trailing whitespace.
4459 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4461 * cppfiles.c (hash_IHASH): Just return i->hash.
4462 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4463 htab_find_with_hash.
4464 (cpp_read_file): Likewise.
4465 (find_include_file): Likewise. Properly initialize
4466 ih->nshort. Share ih->name and ih->nshort if possible.
4467 * cpphash.c (_cpp_calc_hash): New function.
4468 (hash_HASHNODE): Just return h->hash.
4469 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4470 htab_find_with_hash.
4471 * cpphash.h: Prototype _cpp_calc_hash.
4472 * cppinit.c (initialize_builtins): Provide a valid hash
4473 to _cpp_make_hashnode, using _cpp_calc_hash.
4475 * cpphash.c (collect_expansion): # is not a special character
4476 in object-like macros. In -traditional mode, /**/ is not
4477 token paste at the beginning or end of the line.
4478 * cpplib.c (do_include, do_import, do_include_next): If
4479 parse_include fails, return immediately.
4481 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4483 * config/arm/arm.md (return peepholes): Update to reflect the new
4485 * config/arm/arm.c (arm_volatile_func): Also check
4486 current_function_nothrow.
4487 (output_return_instruction, output_func_prologue): Use it.
4488 (arm_output_epilogue, arm_expand_prologue): Likewise.
4490 2000-03-27 Tom Tromey <tromey@cygnus.com>
4492 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4495 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4497 * expr.c (store_constructor): SIZE now signed.
4498 For EXPR_SIZE, don't evaluate size; just needed if constant.
4499 * fold-const.c (fold): Fix a number of cases when folded tree is
4501 * function.c (flush_addressof): Reenable.
4502 * tree.h (flush_addressof): Likewise.
4503 * toplev.c (independent_decode_option): Look at strings_processed.
4504 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4506 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4508 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4509 Allow stack adjustment after function call.
4511 * regmove.c (struct csa_memlist): Make mem field rtx *.
4512 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4513 (try_apply_stack_adjustment): Replace whole MEM rtx.
4514 (combine_stack_adjustments_for_block): Update calls
4515 to record_one_stack_ref.
4517 2000-03-28 Neil Booth <NeilB@earthling.net>
4519 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4520 '\\' rather than a null character, so nulls are not special. Fix
4521 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4522 speed trigraph conversion.
4523 (_cpp_init_input_buffer): Initialize trigraph map.
4525 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4527 * config/i386/i386.c (output_387_binary_op): Correct intel
4528 mode assembly output, and add spaces after commas in AT&T
4529 output. Correct Unixware assembler comment. Document input
4530 constraints. Comment fp operations. Reduce profligate buffer
4531 size. Remove extraneous abort. Localize temp var.
4532 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4533 (output_fix_trunc): Add spaces after commas in assembly output.
4535 2000-03-27 Richard Henderson <rth@cygnus.com>
4537 * i386-protos.h (ix86_match_ccmode): Declare.
4538 * i386.c (ix86_match_ccmode): New.
4539 (ix86_expand_fp_compare): Update for pattern renames.
4540 (ix86_expand_strlensi_unroll_1): Likewise.
4541 * i386.h (EXTRA_CC_MODES): Add CCZ.
4542 (SELECT_CC_MODE): Use it for EQ/NE zero.
4543 * i386.md (cmpsi_ccz_1): New.
4545 (*testsi_ccz_1): New.
4546 (testqi_ccz_1): New.
4547 (cmpsi_ccno_1): Rename from cmpsi_0.
4548 (testsi_ccno_1): Rename from testsi_1.
4549 (testqi_ccno_1): Rename from testqi_1.
4550 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4551 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4552 (*cmphi_0): Use ix86_match_ccmode.
4553 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4554 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4555 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4556 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4557 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4558 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4559 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4560 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4561 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4562 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4563 (appropriate peepholes): Likewise.
4564 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4565 (*subsi_3, *subhi_3, *subqi_3): Remove.
4566 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4567 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4568 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4569 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4570 (x86_shift_adj_1): Use CCZ.
4571 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4573 2000-03-27 Stan Cox <scox@cygnus.com>
4575 * resource.h (mark_resource_type): New.
4576 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4577 find_free_register): Use mark_resource_type.
4578 (mark_set_resources): Change include_delayed_effects
4579 to mark_resource_type.
4580 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4581 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4582 Use mark_resource_type.
4584 2000-03-27 Richard Henderson <rth@cygnus.com>
4586 * i386.md (call_pop_0, call_value_pop_0): New.
4587 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4588 (call_value_pop_1): Likewise.
4589 (call_0, call_value_0): New.
4590 (call_1, call_value_1): Remove constraint from unused arg.
4592 2000-03-27 Nick Clifton <nickc@cygnus.com>
4594 * invoke.texi (Spec Files): Document new spec % command created by
4595 Tom Tromey's recent patch.
4597 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4599 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4602 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * expr.c (expand_assignment): Fix typo in last change.
4606 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4608 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4610 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4611 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4612 and DECL_INLINE if FUNCTION_DECL.
4613 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4614 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4615 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4616 (combine_parm_decls): Likewise.
4617 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4618 * print-tree.c (print_node): Likewise.
4619 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4620 DECL_TRANSPARENT_UNION on proper decl types.
4621 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4622 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4623 DECL_BIT_FIELD of FIELD_DECL.
4624 * tree.h (DECL_RESULT_FLD): New macro.
4626 * expr.c (expand_assignment): Add code to handle variable-sized
4629 2000-03-26 Richard Henderson <rth@cygnus.com>
4631 * calls.c (expand_call): Pass parms not original exp to
4632 optimize_tail_recursion. Mind return value instead of looking
4634 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4635 call_expr. Move checks for call_expr and current_function_decl ...
4636 (expand_return): ... here.
4638 2000-03-26 Tom Tromey <tromey@cygnus.com>
4640 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4641 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4643 (process_command): Use them.
4644 (check_live_switch): Likewise.
4645 (give_switch): Skip ignored switches.
4647 2000-03-26 Jan Hubicka <jh@suse.cz>
4649 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4650 for minimal jump pass test.
4652 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4654 * integrate.c (function_cannot_inline_p): Do inline functions that
4657 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4659 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4660 now a list of TREE_LIST entries, not types.
4661 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4663 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4664 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4666 * config/mips/mips.c (function_arg): Likewise; also remove cast
4667 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4668 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4669 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4670 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4671 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4672 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4673 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4674 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4675 num_adjusts now unsigned.
4676 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4677 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4679 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4680 as is BITPOS variable; use host_integerp and int_bit_position.
4681 (function_arg_record_value_2): Likewise.
4682 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4683 Variable REGNO now unsigned.
4684 (function_arg_record_value): NREGS now unsigned.
4686 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4688 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4690 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4692 * Rework fields used to describe positions of bitfields and
4693 modify sizes to be unsigned and use HOST_WIDE_INT.
4694 * alias.c (reg_known_value_size): Now unsigned.
4695 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4696 (really_start_incremental_init): Use bitsize_zero_node.
4697 (push_init_level, pop_init_level, output_init_element): Likewise.
4698 Use bitsize_unit_node and bitsize_one_node.
4699 (output_pending_init_elements, process_init_element): Likewise.
4700 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4701 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4702 HOST_WIDE_INT, respectively.
4703 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4704 (num_sign_bit_copies): Returns unsigned.
4705 BITWIDTH now unsigned; rework arithmetic.
4706 Remove recursive call from arg to MAX.
4707 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4708 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4710 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4711 (find_split_point, expand_compound_operation, make_extraction): LEN
4712 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4713 (make_field_assignment): Likewise.
4714 (combine_simplify_rtx): Add cast.
4715 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4716 (force_to_mode): WIDTH now unsigned; add cast.
4717 (if_then_else_cond): SIZE now unsigned.
4718 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4719 (extended_count): Now returns unsigned.
4720 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4721 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4722 (simplify_comparison): MODE_WIDTH now unsigned.
4723 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4724 (mark_used_regs_combine): Likewise; rework arithmetic.
4725 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4726 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4727 (record_promoted_value): REGNO now unsigned.
4728 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4729 (get_last_value): REGNO now unsigned.
4730 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4731 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4732 (remove_death): Arg REGNO now unsigned.
4733 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4734 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4736 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4737 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4738 (struct cse_reg_info): REGNO now unsigned.
4739 (cached_regno): Now unsigned.
4740 (REGNO_QTY_VALID_P): Add cast.
4741 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4742 (remove_invalid_regs): Likewise.
4743 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4744 as are variables END and I.
4745 (get_cse_reg_info, insert): Likewise.
4746 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4747 (canon_hash): Likewise.
4748 (insert_regs, lookup_for_remove): REGNO now unsigned.
4749 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4751 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4752 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4753 * emit-rtl.c (subreg_realpart_p): Add cast.
4754 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4755 (operand_subword_force): Arg I is now unsigned.
4756 * except.c (eh_regs): Variable I is now unsigned.
4757 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4758 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4759 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4760 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4761 (extract_split_bit_field, store_bit_field, extract_bit_field):
4763 * expr.c (store_constructor_fields, store_constructor, store_field):
4764 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4765 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4766 (do_jump): Likewise.
4767 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4768 MAX_SIZE is now unsigned.
4769 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4770 (emit_group_store): Likewise.
4771 (emit_move_insn): I now unsigned.
4772 (store_constructor): Use host_integerp, tree_low_cst, and
4774 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4775 Rework all calculations to use trees and new fields.
4776 * expr.h (promoted_input_arg): Regno now unsigned.
4777 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4778 (mark_seen_cases): Arg is HOST_WIDE_INT.
4779 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4780 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4781 precisions and alignments are unsigned.
4782 (optimize_bit_field_compare, fold_truthop): Likewise.
4783 (int_const_binop): Adjust threshold for size_int_type_wide call.
4784 (fold_convert): Likewise.
4785 (size_int_type_wide): Make table larger and fix thinko that only
4786 had half of table used.
4787 (all_ones_mask_p, fold): Precisions are unsigned.
4788 * function.c (put_reg_info_stack): REGNO is unsigned.
4789 (instantiate_decl): Size is HOST_WIDE_INT.
4790 (instantiate_virtual_regs): I is unsigned.
4791 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4792 (promoted_input_arg): REGNO is unsigned.
4793 * function.h (struct function): x_max_parm_reg is now unsigned.
4794 * gcse.c (max_gcse_regno): Now unsigned.
4795 (struct null_pointer_info): min_reg and max_reg now unsigned.
4796 (lookup_set, next_set): REGNO arg now unsigned.
4797 (compute_hash_table): REGNO and I now unsigned.
4798 (handle_avail_expr): regnum_for_replacing now unsigned.
4799 (cprop_insn): REGNO now unsigned.
4800 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4801 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4802 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4803 * hard-reg-set.h (reg_class_size): Now unsigned.
4804 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4805 * jump.c (mark_modified_reg): I now unsigned; add cast.
4806 (rtx_equal_for_thread_p): Add cast.
4807 * loop.c (max_reg_before_loop): Now unsigned.
4808 (struct_movable): REGNO now unsigned.
4809 (try_copy_prop): REGNO arg unsigned.
4810 (regs_match_p): XN and YN now unsigned.
4811 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4812 (strength_reduce): Likewise; NREGS also unsigned.
4813 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4814 * loop.h (struct iv_class): REGNO now unsigned.
4815 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4817 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4818 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4819 * optabs.c (expand_binop): I and NWORDS now unsigned.
4820 (expand_unop): I now unsigned.
4821 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4822 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4823 * real.c (significand_size): Now returns unsigned.
4824 * real.h (significand_size): Likewise.
4825 * regclass.c (reg_class_size): Now unsigned.
4826 (choose_hard_reg_mode): Both operands now unsigned.
4827 (record_reg_classes): REGNO and NR now unsigned.
4828 (reg_scan): NREGS now unsigned.
4829 (reg_scan_update): old_max_regno now unsigned.
4830 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4831 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4832 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4833 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4834 Likewise for variable R.
4835 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4836 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4837 (find_equiv_reg): Add casts.
4838 (regno_clobbered_p): Arg REGNO now unsigned.
4839 * reload.h (struct reload): NREGS now unsigned.
4840 (refers_to_regno_for_reload_p): Regno args are unsigned.
4841 (regno_clobbered_p): Likewise.
4842 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4843 (compute_use_by_pseudos): REGNO now unsigned.
4844 (find_reg): I and J now unsigned, new variable K, and change loop
4845 variables accordingly; THIS_NREGS now unsigned.
4846 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4847 (spill_hard_reg): REGNO arg now unsigned; add casts.
4848 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4849 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4850 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4851 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4852 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4853 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4854 (emit_reload_insns): REGNO now unsigned.
4855 (reload_cse_move2add): Add cast.
4856 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4858 * resource.c (mark_referenced_resources, mark_set_resources): New
4859 variable R; REGNO and LAST_REGNO now unsigned.
4860 (mark_target_live_regs): J and REGNO now unsigned.
4861 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4862 * rtl.h (union rtunion_def): New field rtuint.
4863 (XCUINT): New macro.
4864 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4865 (operand_subword, operand_subword_force): Word number is unsigned.
4866 (choose_hard_reg_mode): Operands are unsigned.
4867 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4868 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4869 (regno_use_in, combine_instructions, remove_death): Likewise.
4870 (reg_scan, reg_scan_update): Likewise.
4871 (extended_count): Return is unsigned.
4872 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4873 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4874 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4875 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4876 (reg_reg_last_1): FIRS and LAST now unsigned.
4877 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4878 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4880 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4881 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4882 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4883 (replace_regs): Arg NREGS now unsigned.
4884 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4885 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4886 (simplify_binary_operation): Likewise.
4887 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4888 THIS_LAST now unsigned.
4889 (cselib_record_set): Add cast.
4890 * ssa.c (ssa_max_reg_num): Now unsigned.
4891 (rename_block): REGNO now unsigned.
4892 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4894 (all_cases_count): Just return -1 not -2.
4895 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4896 Rework tests to use trees whenever possible.
4897 Use host_integerp and tree_low_cst.
4898 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4899 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4900 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4901 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4902 (smallest_mode_for_size): Likewise.
4903 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4904 KNOWN_ALIGN is now an alignment, so simplify code.
4905 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4906 (start_record_layout): Renamed from new_record_layout_info.
4907 Update to new fields.
4908 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4910 (place_union_field): Renamed from layout_union_field.
4911 Update to use new fields in rli.
4912 (place_field): Renamed from layout_field.
4913 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4914 (finalize_record_size): Rework to use new fields in rli and handle
4916 (compute_record_mode): Rework to simplify and to use new DECL fields.
4917 (finalize_type_size): Make rounding more consistent.
4918 (finish_union_layout): Deleted.
4919 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4920 (layout_type, case RECORD_TYPE): Call new function names.
4921 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4922 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4923 (get_best_mode): UNIT is now unsigned; remove casts.
4924 * tree.c (bit_position): Compute from new fields.
4925 (byte_position, int_byte_position): New functions.
4926 (print_type_hash_statistics): Cast to remove warning.
4927 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4928 (build_index_type): Likewise; make subtype of sizetype.
4929 (build_index_2_type): Pass sizetype to build_range_type.
4930 (build_common_tree_nodes): Use size_int and bitsize_int to
4931 initialize nodes; add bitsize_{zero,one,unit}_node.
4932 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4933 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4934 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4935 (DECL_FIELD_BITPOS): Deleted.
4936 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4937 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4938 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4939 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4940 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4941 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4942 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4943 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4944 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4945 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4946 (DECL_ALIGN): Adjust to new field in union.
4947 (DECL_OFFSET_ALIGN): New field.
4948 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4949 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4950 (union tree_decl): Add struct for both aligns.
4951 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4952 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4953 (struct record_layout_info): Rework fields to have offset
4954 alignment and byte and bit position.
4955 (start_record_layout, place_field): Renamed from old names.
4956 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4957 (byte_position, int_byte_position): Likewise.
4958 (get_inner_reference): Change types of position and length.
4959 * unroll.c (unroll_loop): New variable R; use for some loops.
4960 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4961 (calculate_giv_inc): Arg REGNO now unsigned.
4962 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4963 * varasm.c (assemble_variable): Clean up handling of size using
4964 host_integerp and tree_low_cst.
4965 (decode_addr_const): Use byte, not bit, position.
4966 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4967 use tree_low_cst and int_bit_position.
4968 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4970 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4972 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4973 (reorder_block_def): New members eff_head and eff_end.
4974 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4975 (verify_insn_chain): New function.
4976 (skip_insns_between_block): Add code to skip deleted insns.
4977 Check for note before using.
4978 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4979 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4980 Check for note before using.
4981 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4982 (fixup_reorder_chain): Restructure, clean up, defect removal.
4983 (reorder_basic_blocks): Remove last_insn and references to it.
4984 Moved insn chain verification code into a new function (see above).
4985 Delete defective code that sets last insn.
4986 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4989 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4991 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4993 2000-03-24 Richard Henderson <rth@cygnus.com>
4995 * tree.c (lang_safe_for_unsave): Remove.
4996 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4997 allowing for two levels of unsafeness. Remove lang hook.
4998 * tree.h: Update declarations.
4999 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
5000 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
5001 Always fail sibcalls when there are pending cleanups.
5003 2000-03-24 Geoff Keating <geoffk@cygnus.com>
5005 * flow.c (propagate_block): When we delete an ADDR_VEC,
5006 also delete the BARRIER following it if there is one.
5008 2000-03-24 Richard Henderson <rth@cygnus.com>
5010 * builtins.c (expand_builtin_bzero): Convert `length' argument
5013 2000-03-24 Jakub Jelinek <jakub@redhat.com>
5015 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
5016 comparison if regno's are equal.
5017 * calls.c (initialize_argument_informat): Add ecf_flags argument.
5018 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5019 (expand_call): Update caller.
5020 Avoid making a sibling call if argument size of the callee is larger
5021 than argument size of the caller.
5022 Call hard_function_value with outgoing set if in sibcall pass.
5023 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5025 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
5026 Change LEAF_REGISTERS from an array initializer to actual array
5027 identifier. Move static global variable into the function.
5028 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
5029 sequences for leaf functions.
5030 * global.c (global_alloc): Likewise.
5031 * tm.texi (LEAF_REGISTERS): Update documentation.
5033 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
5034 TARGET_FLAT leaf disabling hack.
5035 (LEAF_REGISTERS): Changed from an array initializer to actual array
5036 identifier to avoid duplication and remove the above hack.
5037 (FUNCTION_OK_FOR_SIBCALL): Define.
5038 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
5039 always like call attribute.
5040 (eligible_for_sibcall_delay): New attribute.
5041 (sibcall): New delay type.
5042 (sibcall, sibcall_value, sibcall_epilogue): New expands.
5043 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
5044 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
5045 * config/sparc/sparc.c (sparc_leaf_regs): New array.
5046 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
5048 (output_function_epilogue): Move part of the code into
5049 output_restore_regs.
5050 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
5052 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
5055 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
5056 until infrastructure is finished.
5058 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
5060 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
5061 (save_parm_insns): Not here.
5063 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * builtins.c (expand_builtin_bzero): New function.
5066 (expand_builtin): Handle bzero.
5068 * builtins.def: Add BUILT_IN_BZERO.
5070 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5071 prototype & function for bzero.
5073 2000-03-23 Michael Meissner <meissner@redhat.com>
5075 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
5076 change adding TARGET_FP to the TF floating point insns, except for
5077 trunctfsf2, which generates direct calls to truncdfsf2.
5079 2000-03-23 Geoff Keating <geoffk@cygnus.com>
5081 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
5082 try to protect against middle-end changes that break binary
5084 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
5086 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5088 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
5090 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5092 * calls.c (expand_call): If TARGET is passed by reference and
5093 is readonly, write a CLOBBER.
5095 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5097 * builtins.c (expand_builtin): Handle bcmp.
5099 * builtins.def: Add BUILT_IN_BCMP.
5101 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5102 prototype & function for bcmp.
5104 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
5106 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
5107 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
5108 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
5110 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
5112 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
5113 alternative when using -fp64 -gp32.
5115 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5117 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
5118 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
5119 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
5121 * frame.h (frame_state): Revert last change.
5122 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
5123 * libgcc2.c (throw_helper): Revert last change.
5125 2000-03-22 Richard Henderson <rth@cygnus.com>
5127 * stmt.c (expand_asm_operands): Don't promote the temporary.
5129 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5131 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
5132 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
5133 c_get_alias_set): Likewise.
5134 * c-decl.c (duplicate_decls): Likewise.
5135 * c-typeck.c (default_conversion,build_unary_op): Likewise.
5136 * calls.c (initialize_argument_information): Likewise.
5137 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
5139 * dwarfout.c (decl_class_context,output_type): Likewise.
5140 * expr.c (get_inner_reference): Likewise.
5141 * fold-const.c (simple_operand_p,fold): Likewise.
5142 * function.c (aggregate_value_p): Likewise.
5143 * stmt.c (expand_asm_operands): Likewise.
5144 * varasm.c (named_section): Likewise.
5146 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5148 Implement dwarf2 exception handling for the ARM.
5149 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
5150 (DWARF_FRAME_RETURN_COLUMN): Define.
5151 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
5152 REG_FRAME_RELATED_EXPR note.
5153 (emit_sfm): Likewise.
5154 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
5155 * dwarf2out.c (reg_save): Handle saving a register to itself.
5156 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
5157 * except.c (eh_regs): Don't use the static chain reg if it's
5159 * frame.h (frame_state): Add cfa_saved field.
5160 * frame.c (execute_cfa_insn): Set it.
5161 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
5163 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
5165 (instantiate_virtual_regs): Adjust.
5167 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5168 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5169 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
5171 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
5172 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
5174 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5176 * builtins.def: New file.
5178 * Makefile.in (TREE_H): Depend on builtins.def.
5180 * builtins.c (built_in_names): Use builtins.def.
5182 * tree.h (built_in_function): Likewise.
5184 2000-03-22 Mark Mitchell <mark@codesourcery.com>
5186 * tree.c (size_in_bytes): Return size_zero_node, not
5189 2000-03-22 Geoff Keating <geoffk@cygnus.com>
5191 * config/fp-bit.c (pack_d): Correct the case when a denormal
5192 is rounded up and stops being denormal.
5194 2000-03-21 Richard Henderson <rth@cygnus.com>
5196 * config/alpha/alpha.c (function_arg): Check for void_type_node
5197 before using MUST_PASS_IN_STACK.
5199 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
5201 * regmove.c (combine_stack_adjustments_for_block): Check that
5202 the stack pointer is a valid memory address.
5204 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
5206 * calls.c: re-install Mar 16 emit_library_call merge.
5208 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5210 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5211 we cannot be sure that if reload_completed base register will
5212 be properly aligned.
5214 2000-03-21 Richard Henderson <rth@cygnus.com>
5216 * flow.c (delete_block): Fix typo last change.
5218 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5220 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5221 not COMPLETE_TYPE_P, to check the type of the expression.
5223 2000-03-21 Michael Meissner <meissner@redhat.com>
5225 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5226 all floating point insns that just tested the macro
5227 TARGET_HAS_XFLOATING_LIBS.
5228 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5229 used to only use the gprs.
5231 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5233 * tree.h (COMPLETE_TYPE_P): New macro.
5234 (COMPLETE_OR_VOID_TYPE_P): New macro.
5235 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5236 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5237 * c-aux-info.c (gen_type): Use them.
5238 * c-common.c (c_expand_expr_stmt): Likewise.
5239 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5240 grokdeclarator, grokparms, finish_struct, start_function,
5241 store_parm_decls, combine_parm_decls): Likewise.
5242 * c-parse.y (cast_expr): Likewise.
5243 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5244 c_size_in_bytes, c_alignof, build_component_ref,
5245 build_indirect_ref, build_array_ref, convert_arguments,
5246 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5247 * calls.c (initialize_argument_information): Likewise.
5248 * convert.c (convert_to_integer): Likewise.
5249 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5250 * dwarfout.c (location_or_const_value_attribute,
5251 output_enumeration_type_die, output_structure_type_die,
5252 output_union_type_die, output_type): Likewise.
5253 * expr.c (safe_from_p, expand_expr): Likewise.
5254 * function.c (assign_parms): Likewise.
5255 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5256 * tree.c (build_array_type, build_function_type,
5257 build_method_type, build_offset_type, build_complex_type): Likewise.
5258 * c-parse.c, c-parse.h: Regenerated.
5260 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5262 * config/c4x/rtems.h: Include config/rtems.h.
5264 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5266 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5267 decl is a FUNCTION_DECL
5269 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5271 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5272 function uses output registers. Don't save RP for leaf functions.
5273 Do save RP even if no epilogue.
5274 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5275 (CALL_USED_REGISTERS): Unmark in registers.
5276 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5279 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5281 * config/rs6000/rs6000.md (bunordered): New expander.
5282 (bordered): New expander.
5283 (buneq): New expander.
5284 (bunge): New expander.
5285 (bungt): New expander.
5286 (bunle): New expander.
5287 (bunlt): New expander.
5288 (bltgt): New expander.
5290 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5291 (ccr_bit_negated_p): New function.
5292 (print_operand): For %C, generate appropriate cror for UNEQ,
5293 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5295 2000-03-20 Andreas Jaeger <aj@suse.de>
5297 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5300 * tree.h (safe_for_unsave): Prototype.
5302 2000-03-20 Richard Henderson <rth@cygnus.com>
5304 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5305 (combine_stack_adjustments_for_block): Don't allow sp references
5306 in the side of a set we're not fixing up.
5307 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5308 after life_analysis.
5310 2000-03-20 Richard Henderson <rth@cygnus.com>
5312 * calls.c (expand_call): Don't bother generating tail call
5313 sequences if there are pending cleanups. Use
5314 expand_start_target_temps/expand_end_target_temps to elide
5315 cleanups created during sibcall expansion.
5317 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5319 * configure.in: Set $IFS to a value if it doesn't already have one
5320 in the --enable-checking handling.
5321 * configure: Regenerate.
5323 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5325 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5326 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5329 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5331 * jump.c (delete_noop_moves): Remove code attempting to
5332 combine stack adjustments.
5334 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5336 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5337 * except.c (emit_cleanup_handler): Use them.
5338 (expand_end_all_catch): Likewise.
5339 * function.c (fixup_var_refs): Likewise.
5340 (expand_function_end): Clear catch_clauses_last.
5341 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5342 * except.h (struct eh_status): New field x_catch_clauses_last.
5343 (catch_clauses_last): New define.
5345 * Makefile.in (tree.o): Depend on HASHTAB_H.
5346 * tree.c: Include hashtab.h.
5347 (struct type_hash): Remove next field.
5348 (TYPE_HASH_SIZE): Remove.
5349 (TYPE_HASH_INITIAL_SIZE): New define.
5350 (type_hash_table): Change type to htab_t.
5351 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5352 mark_hash_entry): New functions.
5353 (init_obstacks): Allocate type hash.
5354 (type_hash_lookup): Use htab functions.
5355 (type_hash_add, mark_type_hash): Likewise.
5356 (dump_tree_statistics): Call print_type_hash_statistics.
5358 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5360 * rs6000/t-aix41: New file.
5362 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5364 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5366 * tm.texi (Driver): Fix typos and tweak entry for
5368 Move misplaced STRUCT_FORCE_BLK entry ...
5369 (Storage Layout): ... to here.
5370 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5372 2000-03-19 Richard Henderson <rth@cygnus.com>
5374 * flow.c (delete_block): Delete the addr_vec along with the block.
5375 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5378 * fold-const.c (extract_muldiv): Apply type check for defined
5379 overflow to multiply as well as divide.
5381 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5383 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5385 * emit-rtl.c (remove_unncessary_notes): Check that all
5386 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5387 associated NOTE_BLOCK.
5388 * function.h (identify_blocks): Update comments.
5389 (reorder_blocks): Declare.
5390 * function.c (identify_blocks): Don't take paramters.
5391 (reorder_blocks): Don't take parameters.
5392 * loop.h (find_loop_tree_blocks): Remove.
5393 (unroll_block_trees): Likewise.
5394 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5395 reorder_blocks instead of unroll_block_trees.h
5396 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5397 * stmt.c (find_loop_tree_blocks): Remove.
5398 (unroll_block_trees): Likewise.
5399 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5400 in whole-function mode.
5401 * tree.h (reorder_blocks): Remove declaration.
5403 * expr.c: Include intl.h.
5404 * Makefile.in (expr.o): Depend on intl.h.
5406 2000-03-18 Richard Henderson <rth@cygnus.com>
5408 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5410 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5412 * tree.h (tree_index): Remove enumerals for integer types.
5413 (integer_type_kind): New type.
5414 (integer_types): New variable.
5415 (char_type_node): Adjust.
5416 (signed_char_type_node): Likewise.
5417 (unsigned_char_type_node): Likewise.
5418 (short_integer_type_node): Likewise.
5419 (short_unsigned_type_node): Likewise.
5420 (integer_type_node): Likewise.
5421 (unsigned_type_node): Likewise.
5422 (long_integer_type_node): Likewise.
5423 (long_unsigned_type_node): Likewise.
5424 (long_long_integer_type_node): Likewise.
5425 (long_long_unsigned_type_node): Likewise.
5426 * tree.c (integer_types): New variable.
5427 (init_obstacks): Register it as a root.
5429 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5431 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5432 NEXT_INSN. Update last insn in chain.
5434 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5436 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5437 with TYPE_DECL_SUPPRESS_DEBUG set.
5439 2000-03-18 Richard Henderson <rth@cygnus.com>
5441 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5443 2000-03-18 Richard Henderson <rth@cygnus.com>
5445 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5446 care for HALF_PIC_P.
5447 (expander_call_insn_operand): Remove.
5448 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5449 * i386.h (PREDICATE_CODES): Update.
5450 * i386.md (all call expanders): Remove predicates, remove special
5451 handling for half-pic.
5452 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5453 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5454 (sibcall_epilogue): New.
5456 2000-03-17 Richard Henderson <rth@cygnus.com>
5458 * rtlanal.c (single_set): Reject if the parallel has anything
5459 except SET or USE or CLOBBER.
5461 2000-03-17 Jeff Law <law@cygnus.com>
5462 Richard Henderson <rth@cygnus.com>
5464 * Makefile.in (OBJS): Add sibcall.o.
5466 * sibcall.c: New file.
5467 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5468 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5469 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5470 Emit sibcall patterns when requested. Update all callers.
5471 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5472 elimination seems feasable.
5473 * final.c (leaf_function_p): Sibling calls don't discount being
5475 * flow.c (HAVE_sibcall_epilogue): Provide default.
5476 (find_basic_blocks_1): Sibling calls don't throw.
5477 (make_edges): Make edge from sibling call to EXIT.
5478 (propagate_block): Don't remove sibcall_epilogue insns.
5479 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5480 (sibcall_epilogue): New.
5481 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5482 (identify_blocks_1): Likewise. Break out from ...
5483 (identify_blocks): ... here.
5484 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5485 (reorder_blocks): ... here.
5486 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5487 (record_insns): Extend a varray instead of mallocing new memory.
5488 (contains): Read a varray not array of ints.
5489 (sibcall_epilogue_contains): New.
5490 (thread_prologue_and_epilogue_insns): Emit and record
5491 sibcall_epilogue patterns.
5492 (init_function_once): Allocate prologue/epilogue varrays.
5493 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5494 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5496 (save_for_inline_nocopy): ... here.
5497 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5499 (expand_inline_function): ... here.
5500 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5501 (subst_constants): Handle 'n' formats.
5502 * jump.c (jump_optimize_minimal): New.
5503 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5504 optimizations if it's set.
5505 * rtl.c (copy_rtx): Do copy jump & call for insns.
5506 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5507 (SIBLING_CALL_P): New.
5508 (sibcall_use_t): New.
5509 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5510 Invoke optimize_sibling_and_tail_recursive_calls.
5511 * tree.c (lang_safe_for_unsave): New.
5512 (safe_for_unsave): New.
5513 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5515 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5516 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5517 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5519 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5521 * objc/objc-act.c (encode_method_prototype): Pass types, not
5522 PARM_DECLs, to int_size_in_bytes.
5524 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5526 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5528 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5529 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5531 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5533 * Clean up usages of TREE_INT_CST_LOW.
5534 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5535 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5537 * c-tree.h (min_precision): Move declaration to here.
5538 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5539 (build_unary_op, add_pending_init): Use bit_position.
5540 (pending_init_member, process_init_element): Likewise.
5541 (really_start_incremental_init, push_init_level, pop_init_level):
5542 Don't make copies of nodes or modify them in place, use consistent
5543 types when tracking positions, and use tree routines computations.
5544 (set_init_index, output_init_element): Likewise.
5545 (output_pending_init_elements, process_init_element): Likewise.
5546 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5547 tree_low_cst and int_bit_position; also minor cleanup.
5548 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5549 (print_cst_octal): Precision is unsigned.
5550 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5551 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5552 (simple_type_align_in_bits): Result is unsigned int.
5553 Use tree_int_low_cst and host_integerp.
5554 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5555 (field_byte_offset): Result is HOST_WIDE_INT.
5556 Change types of internal variables so alignments are unsigned int,
5557 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5558 Use host_integerp, tree_low_cst, and int_bit_position.
5559 (add_bit_offset_attribute): Likewise.
5560 (add_data_member_location_attribute): Use tree_cst_low.
5561 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5562 (add_bit_size_attribute): Use tree_low_cst.
5563 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5564 * dwarfout.c: Similar changes to dwarf2out.c.
5565 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5566 * genoutput.c (n_occurences): Return -1 for null string.
5567 (strip_whitespace): Accept null string and make into function.
5568 (scan_operands): Reflect above changes.
5569 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5570 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5571 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5572 * tree.c (int_size_in_bytes): Check for too big to represent.
5573 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5574 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5576 (min_precision): Delete from here.
5577 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5578 and int_bit_position.
5579 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5580 (encode_method_def): Likewise.
5581 (build_ivar_list_initializer): Use int_bit_position.
5582 (generate_shared_structures): Convert size.
5583 (encode_type, encode_complete_bitfield): Use integer_zerop.
5584 (encode_bitfield): Use tree_low_cst and int_bit_position.
5586 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5588 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5590 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5592 * call.c (special_function_p): It is only malloc if it returns
5595 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5597 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5598 (C33_FLAG, TARGET_C3X): Add macros.
5599 (TARGET_SWITCHES): Add -m33 option.
5600 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5602 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5604 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5605 (PARALLEL_PACK_FLAG): Delete.
5606 (TARGET_SWITCHES): Update.
5607 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5609 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5611 * fold-const.c (fold): Fix a few cases when the returned result
5612 is not of the same type as the input.
5614 2000-03-16 Nick Clifton <nickc@cygnus.com>
5616 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5619 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5621 * libgcc2.h: Move prototypes above macros with the same name.
5622 Wrap some function prototypes in the conditional which indicates
5623 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5625 2000-03-16 Richard Henderson <rth@cygnus.com>
5627 * calls.c: Revert last two changes.
5629 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5631 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5632 has exponent 0 is a zero.
5634 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5635 HASH may already be nonzero. Add code/mode into hash value
5636 immediately after repeat label.
5637 (cselib_lookup): Don't leave the hash table in an inconsistent
5638 state before a hash lookup operation.
5640 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5642 * i386.md (all HI and QI mode non-move patterns): Conditionize
5643 by TARGET_[HQ]IMODE_MATH.
5644 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5645 x86_promote_qi_regs): Declare.
5646 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5647 TARGET_PROMOTE_QI_REGS): New macros.
5648 (PROMOTE_MODE): New macro.
5649 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5650 x86_promote_qi_regs): New global variables.
5652 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5654 * calls.c (emit_library_call_value_1): Break out from ...; handle
5655 VOIDmode function calls too.
5656 (emit_library_call_value): ... here.
5657 (emit_library_call): Implement by calling emit_library_call_value_1.
5659 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5661 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5662 Update arg_space_so_far on stack adjustments.
5663 (emit_library_call, emit_library_call_value): Likewise; take into
5664 account arg_space_so_far and pending_stack_adjust when calculcating
5667 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5669 * flow.c: Move all basic block reordering code into its own file.
5670 (create_basic_block): Externalize.
5671 * bb-reorder.c: New file. Copy all basic block reordering code from
5672 flow.c to this file.
5673 (reorder_basic_blocks): Fix fencepost error in for-loop.
5674 (reorder_basic_blocks): Remove braces from single statement for-loops.
5675 * basic-block.h: Add declaration for create_basic_block.
5676 * Makefile.in: Add rules for bb-reorder.o.
5678 2000-03-16 Neil Booth <NeilB@earthling.net>
5680 * cppinit.c (handle_option): Implement #unassert directive
5681 as -A- command line option.
5682 (print_help): Update.
5683 * cpptexi.c: Update.
5685 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5687 * md.texi (Standard Names): Document `jump'.
5689 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5691 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5694 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5696 Merge changes from newppc-branch onto trunk.
5698 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5700 * rs6000.c (toc_hash_table): Update for new hash table functions.
5701 (toc_hash_function): Likewise.
5702 (toc_hash_eq): Likewise.
5703 (toc_hash_mark_entry): Likewise.
5704 (toc_hash_mark_table): Likewise.
5705 (output_toc): Likewise.
5706 (rs6000_add_gc_roots): Likewise.
5708 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5710 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5711 (AR_FLAGS_FOR_TARGET): here. New macro.
5713 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5715 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5716 fpmem_operand) Delete.
5718 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5719 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5720 (rs6000_save_machine_status, rs6000_restore_machine_status,
5721 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5722 references to above variables.
5723 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5724 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5725 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5726 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5727 (XER_REGNO_P, XER_REGNO): New.
5728 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5729 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5730 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5732 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5733 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5734 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5736 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5738 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5739 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5740 * rs6000.h: from here.
5742 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5743 (rs6000_select_rtx_section): Likewise.
5744 (rs6000_encode_section_info): Likewise.
5745 (sdata_section): Likewise.
5746 (sdata2_section): Likewise.
5747 (sbss_section): Likewise.
5748 * sysv4.h (rs6000_select_section): Delete prototype.
5749 (rs6000_select_rtx_section): Likewise.
5750 (rs6000_encode_section_info): Likewise.
5751 (sdata_section): Likewise.
5752 (sdata2_section): Likewise.
5753 (sbss_section): Likewise.
5754 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5756 * sysv4.h: Delete various unnecessary #undef's and put a comment
5757 on the remaining ones.
5758 Change various comments according to coding standard.
5760 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5762 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5763 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5764 (CR0_REGNO_P) Remove.
5765 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5766 setup_incoming_varargs, mtcrf_operation, print_operand,
5767 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5768 Use the above macros.
5770 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5772 * config/rs6000/rs6000.md: Added a new alternative for each
5773 pattern that had a 'x' alternative but no 'y' alternative.
5774 Added a new split for each of the above patterns.
5776 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5778 * aix41.h (ASM_CPU_SPEC): Delete.
5779 (CPP_CPU_SPEC): Delete.
5781 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5782 (ASM_OUTPUT_LABEL): Define.
5783 (ASM_GLOBALIZE_LABEL): Define.
5784 (STRIP_NAME_ENCODING): Define.
5785 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5786 (STRIP_NAME_ENCODING): Don't define.
5787 (ASM_OUTPUT_LABEL): Don't define.
5788 (ASM_GLOBALIZE_LABEL): Don't define.
5789 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5790 names, and ASM_OUTPUT_LABEL to output labels, rather than
5792 (ASM_OUTPUT_LABEL): Define.
5793 (ASM_OUTPUT_INT): Use assemble_name.
5794 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5795 (STRIP_NAME_ENCODING): Don't undefine first.
5796 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5798 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5799 specified with 'asm' even with -fleading-underscore.
5800 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5801 (output_epilog): Likewise.
5802 (output_toc): Likewise.
5803 * tramp.asm: Handle -fleading-underscore correctly.
5805 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5807 (nonlocal_goto_receiver): Delete.
5808 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5810 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5811 (SET_ASM_OP): Define.
5812 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5814 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5817 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5818 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5820 * rs6000.h: Add 'u' to more constants.
5822 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5824 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5826 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5828 * rs6000.c (reg_or_u_cint_operand): New function.
5829 (logical_operand): Handle 64-bit hosts.
5830 (logical_u_operand): New function.
5831 (non_logical_cint_operand): Handle 64-bit hosts.
5832 (non_logical_u_cint_operand): New function.
5833 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5834 (PREDICATE_CODES): Define new functions.
5835 * rs6000-protos.h: Declare new functions.
5836 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5837 (movdi_64): Bracket code intended for 64-bit hosts. Create
5838 CONST_DOUBLE for 32-bit values.
5839 (scc insns): Generate DImode compares.
5840 (mfcr insns): Create DImode versions.
5841 (sge matchers): New patterns.
5843 2000-02-15 Gabriel Paubert <paubert@iram.es>
5845 * rs6000.md: Correct instructions length attributes and
5846 constraints on unsigned compare instructions.
5847 (*ne0): Disable for PowerPC64.
5849 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5851 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5852 quantity, fix profile1.C test failure under -fPIC.
5854 * rs6000.c: Add 'u' to many constants to suppress warnings.
5855 (constant_pool_expr_1): Make static.
5856 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5857 * rs6000.h: Add 'u' to many constants to suppress warnings.
5859 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5860 for the start of the TOC, instead of LCTOC..0.
5861 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5863 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5864 (load_toc_aix_di): Use LCTOC..1.
5866 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5867 * rs6000.c (rs6000_legitimize_address): New function from
5868 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5869 symbols in the constant pool that really are TOC references.
5870 (print_operand_address): For ELF, write TOC offsets under
5871 -fPIC as subtractions in the insn.
5872 (output_toc): For ELF, define symbols in TOC as normal labels,
5874 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5875 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5876 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5877 * rs6000.md (movsi): Only use create_TOC_reference on
5878 symbols in the constant pool that really are TOC references.
5880 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5881 * rs6000.c (rs6000_reorg): Delete.
5882 * rs6000-protos.h (rs6000_reorg): Delete.
5884 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5886 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5888 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5889 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5890 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5891 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5892 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5893 rs6000_aix_emit_builtin_unwind_init.
5894 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5895 rs6000_emit_eh_toc_restore on AIX.
5896 (return_eh_si): Use r2.
5897 (return_eh_di): Use r2.
5899 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5900 since we're breaking binary compatibility anyway.
5902 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5904 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5905 constant_pool_expr_p): Declare them.
5906 (constant_pool_expr_p): Declare it.
5907 * config/rs6000/rs6000.c (toc_label_name): Define.
5908 (rs6000_override_options): Set toc_label_name.
5909 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5910 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5911 uses_TOC): New functions.
5912 (print_operand): Delete old '*' case.
5913 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5914 and strip off rtl for TOC before calling output_addr_const.
5915 (rs6000_emit_load_toc_table): Use toc_label_name.
5916 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5918 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5919 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5920 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5921 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5922 into explicit TOC_REGISTER offsets.
5923 (TOC_REGISTER): New macro.
5924 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5925 TARGET_TOC to reference TOC_REGISTER.
5926 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5927 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5928 uses_TOC before emitting label references.
5930 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5932 * rs6000.md (stack_tie): Fix warning.
5934 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5935 to handle -fleading-underscore.
5936 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5937 (USER_LABEL_PREFIX): New macro.
5938 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5939 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5940 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5941 call-linux can use the same multilibs.
5942 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5943 and call-linux multilibs. Do multilib with -fleading-underscore.
5944 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5945 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5948 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5949 have MASK_SOFT_FLOAT set.
5950 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5951 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5952 CPP_FLOAT_DEFAULT_SPEC.
5954 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5955 * rs6000.md: Whitespace change.
5956 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5957 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5959 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5961 * rs6000.md (eh_epilogue): New expander.
5962 (eh_reg_restore): New expand/split/insn combination.
5963 (return_eh_si): New insn.
5964 (return_eh_di): New insn.
5966 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5967 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5968 * eabi-ctors.c (__do_global_ctors): Register this object's
5969 frame. Clean up. Call atexit() after the constructors.
5970 (__do_global_dtors): Deregister this object's frame. Clean up.
5971 Allow for recursive calls to exit().
5972 * rs6000.c (fixuplabelno): New variable.
5973 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5974 TARGET_RELOCATABLE, it slows down exec() under linux.
5975 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5977 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5978 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5979 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5980 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5981 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5982 (ASM_OUTPUT_DWARF_ADDR): New macro.
5983 (ASM_OUTPUT_DWARF_DATA4): New macro.
5984 (ASM_OUTPUT_DWARF_DATA2): New macro.
5985 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5986 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5987 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5989 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5991 * rs6000.c (rs6000_sr_alias_set): New variable.
5992 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5993 (rs6000_emit_stack_tie): New function.
5994 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5995 in a way that dwarf2out can understand.
5996 (rs6000_frame_related): New function.
5997 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5998 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5999 Use rs6000_emit_stack_tie when needed.
6000 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
6001 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
6002 * rs6000.md (stack_tie): New insn.
6003 (return_internal_si): Allow return value to be in the count
6005 (return_internal_di): Likewise.
6007 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
6009 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6011 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
6013 2000-01-31 Geoff Keating <geoffk@cygnus.com>
6015 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
6017 * rs6000.md (stmw): Use the right POWER opcode.
6020 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6022 * rs6000-protos.h: New file.
6024 * rs6000.c: Include tm_p.h. Fix compile time warnings.
6026 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
6029 * sysv4.h: Likewise.
6031 2000-01-28 Geoff Keating <geoffk@cygnus.com>
6033 * ../../configure.in: Delete powerpcle-*-winnt*
6034 and powerpcle-*-pe|powerpcle-*-cygwin*.
6035 * ../../configure: Regenerated.
6037 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
6038 (TARGET_WINDOWS_NT): Delete.
6040 (CALL_NT_DLLIMPORT): Delete.
6041 Delete NT-specific code.
6042 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
6045 * nt-ci.asm: Delete.
6046 * nt-cn.asm: Delete.
6047 * ntstack.asm: Delete.
6049 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6051 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
6052 (ASM_FILE_START): Likewise.
6053 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6054 (ASM_OUTPUT_LABELREF): Likewise.
6055 (ASM_OUTPUT_SKIP): Likewise.
6056 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6057 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6058 (ASM_OUTPUT_CASE_LABEL): Likewise.
6059 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6060 (ASM_OUTPUT_ASCII): Likewise.
6062 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
6064 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
6065 reload_toc_labelno for non-prologue TOC reloads. Also, don't
6066 increment rs6000_pic_labelno here.
6067 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
6068 and increment rs6000_pic_labelno here.
6070 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
6072 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
6073 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
6074 allocation knows (reg) is dead before the insn.
6076 2000-01-21 Geoff Keating <geoffk@cygnus.com>
6078 * rs6000.md (movsi_to_cr): Correct typo in output template.
6080 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6082 * rs6000.c (rs6000_pic_labelno): Always define.
6083 (rs6000_pic_func_labelno): Delete.
6084 (lmw_operation): Check for a zero base register,
6085 which doesn't mean what we want.
6086 (stmw_operation): New function.
6087 (print_operand): Define new 'l' modifier.
6088 (rs6000_stack_info): We must save all 64 bits of the registers
6089 if TARGET_POWERPC64.
6090 (rs6000_output_load_toc_table): Delete.
6091 (rs6000_emit_load_toc_table): New function.
6092 (rs6000_allocate_stack_space): Delete.
6093 (rs6000_emit_allocate_stack): New function.
6094 (rs6000_emit_prologue): New function.
6095 (output_prolog): Use rs6000_emit_prologue.
6096 (rs6000_emit_epilogue): Change a few variable names to be
6097 more accurate. Restore all 64 bits of the registers if
6098 TARGET_POWERPC64. Only restore the FP registers which were used
6099 if they are being saved/restored one-at-a-time.
6100 (output_mi_thunk): Delete inefficient code generation.
6101 (output_function_profiler): Don't use rs6000_output_load_toc_table.
6102 * rs6000.h: Declare rs6000_emit_load_toc_table,
6103 rs6000_allocate_stack_space, stmw_operation. Don't declare
6104 rs6000_output_load_toc_table.
6105 * rs6000.md (elf_high): Allow register 0, but discourage it
6107 (elf_low): Support loading into register 0.
6108 (load_toc_aix_si): New pattern.
6109 (load_toc_aix_di): New pattern.
6110 (load_toc_v4_pic_si): New pattern.
6111 (load_toc_v4_pic_di): New pattern.
6112 (load_toc_v4_PIC_1): New pattern.
6113 (load_toc_v4_PIC_1b): New pattern.
6114 (load_toc_v4_PIC_2): New pattern.
6115 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
6116 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
6117 (prologue): New expander.
6118 (movesi_from_cr): New pattern.
6119 (stmw): New pattern.
6120 (save_fpregs_si): New pattern.
6121 (save_fpregs_di): New pattern.
6123 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6125 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
6130 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6132 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
6134 (movsi_got_internal): Likewise.
6135 (movsi_got_internal+1): Likewise.
6136 (set_sp): 'unspec 7' does a SImode clobber.
6138 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6140 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
6141 allocate a stack temporary.
6142 (floatsidf2_internal): Likewise.
6143 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
6145 (floatunssidf2): Don't use the fpmem "register", just
6146 allocate a stack temporary.
6147 (floatunssidf2_internal): Likewise.
6148 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
6150 (floatsidf2_loadaddr): Delete.
6151 (floatsidf2_store1): Delete.
6152 (floatsidf2_store2): Delete.
6153 (floatsidf2_load): Delete.
6154 (fix_truncdfsi2): Don't use the fpmem "register", just
6155 allocate a stack temporary.
6156 (fix_truncdfsi2_internal_si): Delete.
6157 (fix_truncdfsi2_internal_di): Delete.
6158 (fix_truncdfsi2_internal): New insn.
6159 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
6160 (fix_truncdfsi2_store): Delete.
6161 (fix_truncdfsi2_load): Delete.
6162 (fctiwz): Produce gen_fctiwz.
6164 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6166 * eabi.h (INVOKE__main): Define.
6167 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
6169 (rs6000_emit_prologue): Likewise.
6170 * rs6000.h (struct rs6000_stack): Don't keep track of whether
6171 this is the main program.
6173 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6175 * rs6000.c (rs6000_va_arg): Delete some unused variables.
6177 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6179 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
6180 goes after the argument.
6182 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6184 * rs6000.md: Document 'unspec' values used.
6185 (epilogue): New expander.
6186 (movesi_to_cr_one): New expander.
6187 (movesi_to_cr and following): New pattern.
6189 (return_internal_si): New pattern.
6190 (return_internal_di): New pattern.
6191 (return_and_restore_fpregs_si): New pattern.
6192 (return_and_restore_fpregs_di): New pattern.
6193 * rs6000.h: Declare new functions.
6194 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
6195 rather than rs6000_calls_p.
6196 (rs6000_makes_calls): Delete.
6197 (lmw_operation): New function.
6198 (mtcrf_operation): New function.
6199 (rs6000_emit_epilogue): New function.
6200 (output_epilog): Call rs6000_emit_epilogue and final if
6201 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
6203 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6205 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
6206 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
6207 * aix.h (SUBTARGET_SWITCHES): Document switches.
6208 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
6209 sched-prolog and sched-epilog the same. Document all the
6211 (TARGET_OPTIONS): No longer allow -mdebug-.
6213 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6215 * rs6000.h (ASM_FILE_END): Move to aix.h.
6216 (EXTRA_SECTIONS): Move to aix.h.
6217 (READONLY_DATA_SECTION): Move to aix.h.
6218 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6219 (SELECT_SECTION): Move to aix.h.
6220 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6221 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6222 (LINK_REGISTER_REGNUM): New definition.
6223 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6224 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6226 * sysv4.h: Delete the code between the inclusion of rs6000.h
6228 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6229 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6230 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6231 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6232 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6233 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6234 (fix_truncdfsi2_internal_di): New pattern.
6235 (fix_truncdfsi2_store): The second arg here is Pmode too.
6236 (fix_truncdfsi2_load): The second arg here is Pmode too.
6237 (tablejumpdi): Now that switch tables hold only SImode values,
6238 gcc needs to know how to add them to the pc which is DImode.
6239 * rs6000.c (rs6000_stack_info): Use symbolic name for
6240 LINK_REGISTER_REGNUM.
6241 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6242 (output_toc): Delete unused variables s1 and s2.
6243 (output_ascii): Use fputs not fprintf on a variable string.
6245 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6247 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6248 * aix43.h: Revert Aug 2 change.
6249 (HAS_INIT_SECTION): Define, not visible yet.
6250 (LD_INIT_SWITCH): Define, not visible yet.
6251 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6253 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6255 * config/rs6000/rtems.h: Include config/rtems.h.
6257 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6259 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6260 (SLOW_UNALIGNED_ACCESS): Define.
6261 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6262 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6263 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6264 (toc_section): Likewise and .toc pseudo-op.
6265 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6267 (TEXT_SECTION_ASM_OP): Likewise.
6268 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6271 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6273 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6274 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6277 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6279 * rs6000.h: Move more stuff from here...
6281 * sysv4.h: Cleanup accordingly.
6282 * netware.h: Likewise
6284 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6286 * rs6000.h: Continue cleanup.
6289 * netware.h: Likewise.
6291 * sysv4.h: Likewise.
6292 * win-nt.h: Likewise.
6294 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6295 (TARGET_OPTIONS): Likewise.
6297 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6298 (SUBTARGET_OPTIONS): Likewise.
6300 * rs6000.md: Fix compile time warnings.
6302 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6304 vxworks patches from the Cygnus tree originally by
6305 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6306 <vmakarov@cygnus.com>.
6307 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6308 (ENDFILE_SPEC): Likewise.
6309 (LIB_VXWORKS_SPEC): New macro.
6310 (STARTFILE_VXWORKS_SPEC): New macro.
6311 (ENDFILE_VXWORKS_SPEC): New macro.
6312 (LINK_START_VXWORKS_SPEC): New macro.
6313 (LINK_OS_VXWORKS_SPEC): New macro.
6314 (CPP_OS_VXWORKS_SPEC): New macro.
6315 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6316 * vxppc.h: Rewrite to use proper configuration method.
6317 * vxppcle.h: New file.
6318 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6319 * ../../configure: Rebuilt.
6321 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6323 Lots of changes to rs6000.h, sysv4.h, aix.h,
6324 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6325 with the aim that rs6000.h is the first header
6326 included and the others override it.
6329 * x-aix41-gld: Remove.
6331 * x-aix41: Remove target-specific switches, and don't specify
6332 -Wl,-bbigtoc as we don't need it any more.
6333 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6334 Use t-aix43 for AIX 4.3 and above.
6335 * ../../configure: Regenerated.
6337 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6338 options, that don't do anything yet.
6339 (MASK_SCHED_PROLOG): New macro.
6340 (MASK_SCHED_EPILOG): New macro.
6341 (TARGET_SCHED_PROLOG): New macro.
6342 (TARGET_SCHED_EPILOG): New macro.
6344 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6346 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6347 one per translation unit, not one per function.
6348 (output_toc): Also do duplicate constant elimination
6349 for per-translation-unit TOCs.
6351 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6352 a comment explaining _exactly_ when this pattern gets used.
6353 (builtin_setjmp_receiver): New pattern for better clarity.
6354 (init_v4_pic): Move it into a section dealing with TOC registers.
6356 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6358 * rs6000.c (toc_hash_table): New variable.
6359 (rs6000_hash_constant): New function.
6360 (toc_hash_function): New function.
6361 (toc_hash_eq): New function.
6362 (toc_hash_mark_entry): New function.
6363 (toc_hash_mark_table): New function.
6364 (output_toc): Don't output duplicate TOC entries in
6366 (rs6000_add_gc_roots): Add the hash table as a GC root.
6367 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6368 where they clearly shouldn't be. This may need to be fixed
6369 later when there is a GNU ar for AIX.
6370 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6371 Don't define BOOT_LDFLAGS as it is now not necessary.
6373 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6375 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6376 for va_list on AIX. Use unsigned_char_type_node rather than
6377 constructing our own version on svr4.
6379 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6381 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6382 since patently it's not.
6384 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6386 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6387 define_expand/define_insn pair, and handle restore of the
6388 SVR4 -fpic register.
6390 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6392 * acconfig.h (HAVE_GAS_WEAK): New define.
6393 * configure.in (assembler weak support): Check for .weak support.
6394 * config.in, configure: Rebuilt.
6395 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6396 HAVE_GAS_WEAK is defined.
6398 2000-03-15 Nick Clifton <nickc@cygnus.com>
6400 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6403 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6405 * cppfiles.c (open_include_file): New function.
6406 (find_include_file, cpp_read_file): Use it.
6408 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6410 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6412 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6414 * flow.c (verify_flow_info): Check for unconditional return.
6416 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6418 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6419 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6420 (__ia64_restore_stack_nonlocal): New.
6421 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6423 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6425 * cpphash.c (collect_formal_parameters): Do not complain about
6426 parameter names that just start with `__VA_ARGS__'.
6428 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6430 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6431 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6432 * i386.c (pentiumpro_cost): Set mul cost to 4.
6433 (x86_use_movx): Set for PPro.
6435 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6437 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6438 STACK_BOUNDARY for empty frames now.
6440 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6442 * stor-layout.c (layout_union): Remove.
6443 (layout_union_field): New function, split out from layout_union.
6444 (finish_union_layout): Likewise.
6445 (layout_field): Handle unions by calling layout_union_field.
6446 (finish_record_layout): Handle unions.
6447 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6448 QUAL_UNION_TYPE handling.
6450 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6452 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6453 end of basic block is jump_insn, not barrier; use create_basic_block
6454 instead of creating basic block by hand.
6456 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6458 * flow.c (reorder_basic_blocks): Account for barriers when writing
6459 over NEXT_INSN (last_bb->end).
6460 (verify_flow_info): Add check for missing barriers.
6462 2000-03-14 Greg McGary <gkm@gnu.org>
6464 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6465 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6466 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6467 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6468 __unbounded, __unbounded__): New keywords.
6469 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6470 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6471 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6473 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6475 * cselib.h: New file.
6476 * alias.c: Include "cselib.h".
6477 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6478 MEMs as two new arguments.
6479 (get_addr): New static function.
6480 (find_base_term): Handle VALUEs.
6481 (memrefs_conflict_p): Likewise.
6482 (true_dependence): Call get_addr on the addresses.
6483 Call fixed_scalar_and_varying_struct_p with addresses that have been
6484 passed through get_addr and canon_rtx.
6485 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6486 with true_dependence.
6487 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6488 * loop.c: Include "cselib.h".
6489 (load_mems): Process extended basic block that enters the loop with
6490 cselib. Use that information to change initialization of the shadow
6491 register so that a constant equivalence is seen by later passes.
6492 * reload1.c: Include "cselib.h".
6493 (reload_cse_invalidate_regno): Delete function.
6494 (reload_cse_mem_conflict_p): Likewise.
6495 (reload_cse_invalidate_mem): Likewise.
6496 (reload_cse_invalidate_rtx): Likewise.
6497 (reload_cse_regno_equal_p): Likewise.
6498 (reload_cse_check_clobber): Likewise.
6499 (reload_cse_record_set): Likewise.
6500 (reg_values): Delete static variable.
6501 (invalidate_regno_rtx): Likewise.
6502 (reload_cse_delete_noop_set): New static function.
6503 (reload_cse_simplify): New static function, broken out of
6505 (reload_cse_noop_set_p): Delete unused argument INSN.
6506 Just call rtx_equal_for_cselib_p on set source and destination.
6507 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6508 reload_cse_delete_noop_set. Delete code to keep track of values; use
6509 cselib functions instead. Delete code to push/pop obstacks.
6510 (reload_cse_simplify_set): Use cselib to find equivalent values.
6511 Delete code to push/pop obstacks.
6512 (reload_cse_simplify_operands): Likewise.
6513 * rtl.def (VALUE): New rtx code.
6514 * rtl.h (union rtunion_def): New elt rt_cselib.
6515 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6516 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6517 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6518 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6519 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6520 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6521 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6522 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6523 cselib_record_set, cselib_record_sets): New static functions.
6524 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6525 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6526 references_value_p): New functions.
6527 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6528 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6529 n_useless_values, reg_values, callmem, cselib_obstack,
6530 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6531 New static variables.
6532 * varray.h (union varray_data_tag): New elt te.
6533 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6534 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6537 2000-03-14 Nick Clifton <nickc@cygnus.com>
6539 * gcc.c (do_spec_1): Catch the case where %* is used in a
6540 substitution pattern, but it has not been initialised.
6541 Issue a meaningful error message if an unrecognised operator
6542 is encountered in a spec string.
6544 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6546 * function.c (prepare_function_start): Correctly initialize
6547 cfun->stack_alignment_needed.
6549 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6551 * cppfiles.c (find_include_file): Don't assume nshort is a
6554 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6556 * configure.in (hppa configurations): Add pa32-regs.h to the
6557 list of tm files as appropriate.
6558 * configure: Rebuilt.
6559 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6561 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6562 (fmpyaddoperands, fmpysuboperands): Likewise.
6563 * pa.h: Remove various definitions which depend on knowing
6564 how registers are numbered.
6565 * pa32-regs.h: New file with PA32 register numbering specific
6568 2000-03-14 Richard Henderson <rth@cygnus.com>
6570 * regmove.c (combine_stack_adjustments): New.
6571 (stack_memref_p, single_set_for_csa): New.
6572 (free_csa_memlist, record_one_stack_memref): New.
6573 (try_apply_stack_adjustment): New.
6574 (combine_stack_adjustments_for_block): New.
6575 * rtl.h (combine_stack_adjustments): Declare.
6576 * toplev.c (rest_of_compilation): Call it.
6578 * i386.md: Revert 2000-01-16 change.
6580 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6582 * gccbug.in: Add web category, gcc specific classes.
6584 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6586 * stor-layout.c (finalize_record_size): Fix typo.
6588 2000-03-14 Stan Shebs <shebs@apple.com>
6590 * c-typeck.c (c_alignof): Error on incomplete types.
6591 * extend.texi (Alignment): Document this.
6593 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6595 * cppfiles.c: Include mkdeps.h.
6596 (find_include_file, read_include_file): Remove _cpp_ prefix
6597 from name, make static.
6598 (_cpp_execute_include): New function, broken out of
6601 * cpplib.c: Don't include mkdeps.h.
6602 (struct directive): Remove type field. Reorder entries. The
6603 function takes only one argument.
6604 (struct if_stack): Make type field an int.
6605 (directive_table): Rename to dtable. Generate it, the
6606 prototypes of the directive handlers, and the enum for the
6607 directive numbers, from a template macro.
6608 (do_ifndef, do_include_next, do_import): New functions.
6609 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6610 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6611 do_ident, do_assert, do_unassert, do_sccs): Take only one
6613 (do_sccs): Define always, but alter behavior based on
6615 (_cpp_handle_directive, consider_directive_while_skipping):
6616 Restructure for new directive table layout.
6618 (pass_thru_directive): Take a directive number, not a pointer
6619 to a struct directive.
6620 (parse_include): New function, broken out of do_include.
6621 (do_include, do_import, do_include_next): Use parse_include
6622 and _cpp_execute_include.
6623 (do_elif, do_else): Test for T_ELSE specifically when checking
6624 for #elif/#else after #else.
6625 (parse_ifdef): New function, broken out of do_ifdef.
6626 (validate_else): Expect a name arg without a leading #.
6627 (if_directive_name): Delete.
6628 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6629 directive handlers with only one argument.
6631 * cpphash.h: Update prototypes.
6632 (enum node_type): Remove entries for directives.
6633 * Makefile.in: Update dependencies.
6635 * cpphash.c (dump_hash_helper): Only dump nodes of type
6636 T_MACRO. Emit a newline after each definition.
6638 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6640 * gccbug.in: New file.
6641 * configure.in (all_outputs): Add gccbug.
6642 * Makefile.in (install-common): Install gccbug.
6643 (GCCBUG_INSTALL_NAME): New variable.
6644 * configure: Rebuilt.
6646 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6648 * function.c (put_var_into_stack): Use type_for_mode to calculate
6649 part_type. Use MEM_SET_IN_STRUCT_P.
6650 * expr.c (store_field): Handle CONCAT.
6651 (store_constructor): Use fields_length.
6652 * tree.c (fields_length): New fn.
6653 * tree.h: Declare it.
6655 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6657 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6658 (cpplex.o): New target.
6659 * po/POTFILES.in: Add cpplex.c.
6661 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6662 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6663 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6664 skip_block_comment, skip_line_comment, skip_comment,
6665 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6666 _cpp_parse_name, skip_string, parse_string,
6667 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6668 _cpp_get_directive_token, find_position,
6669 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6670 (maybe_macroexpand, _cpp_lex_token): New functions.
6672 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6673 parse_goto_mark): Delete.
6674 (_cpp_handle_eof): New function.
6675 (_cpp_handle_directive): Rename from handle_directive.
6676 (_cpp_output_line_command): Rename from output_line_command.
6677 (do_if, do_elif): Call _cpp_parse_expr directly.
6678 * cppfiles.c (_cpp_read_include_file): Don't call
6679 init_input_buffer here.
6680 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6681 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6682 here; pop the token_buffer and skip the rest of the line here.
6683 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6686 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6688 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6689 CPP_GOTO_MARK): New macros.
6690 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6691 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6692 _cpp_read_and_prescan, _cpp_init_input_buffer,
6693 _cpp_grow_token_buffer, _cpp_get_directive_token,
6694 _cpp_handle_directive, _cpp_handle_eof,
6695 _cpp_output_line_command): Prototype them here.
6696 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6697 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6698 quote_string, output_line_command): Remove.
6700 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6702 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6703 whether it is too large we must also verify that it isn't negative.
6705 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6707 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6708 (movsi_zero_liveg0): Remove.
6709 (movsf_insn_novis_liveg0): Remove.
6711 (negsi2_not_liveg0): Rename to negsi2.
6712 (one_cmplsi2): Remove.
6713 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6714 (one_cmplsi2_liveg0): Remove.
6715 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6716 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6717 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6718 (PREDICATE_CODES): Remove zero_operand.
6719 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6720 TARGET_BROKEN_SAVERESTORE.
6721 (zero_operand): Remove.
6722 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6723 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6725 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6726 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6727 TARGET_BROKEN_SAVERESTORE): Remove.
6728 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6730 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6732 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6735 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6737 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6739 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6740 truncating a string. Don't assume tokens are nul terminated.
6741 Problem noted by Andreas Jaeger <aj@suse.de>
6743 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6745 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6746 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6747 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6749 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6751 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6752 STRUCTURE_SIZE_BOUNDARY.
6754 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6756 * tree.h (record_layout_info_s): New structure.
6757 (record_layout_info): New type.
6758 (new_record_layout_info): New function.
6759 (layout_field): Likewise.
6760 (finish_record_layout): Likewise.
6761 * stor-layout.c (layout_record): Remove.
6762 (new_record_layout_info): New function.
6763 (layout_field): New function, broken out from layout_record.
6764 (finalize_record_size): Likewise.
6765 (compute_record_mode): Likewise.
6766 (finalize_type_size): New function, broken out from layout_type.
6767 (finish_record_layout): Likewise.
6768 (layout_type): Use them.
6770 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6772 * cpphash.c: Don't include version.h.
6773 (special_symbol) [case T_VERSION]: Look for the string in
6774 hp->value.cpval; don't use version_string.
6775 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6776 __VERSION__ to version_string.
6777 * Makefile.in (cpphash.o): Update deps.
6779 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6781 Convert cpplib to use libiberty/hashtab.c.
6783 * cpplib.h (struct cpp_reader): Make hashtab and
6784 all_include_files of type 'struct htab *'. Delete HASHSIZE
6785 and ALL_INCLUDE_HASHSIZE macros.
6787 * cpphash.h: Update prototypes.
6788 (struct hashnode): Remove next, prev, and bucket_hdr members.
6789 Make length a size_t. Add hash member.
6790 (struct ihash): Remove next member. Add hash member. Make
6791 name a flexible array member.
6793 * cppfiles.c: Include hashtab.h.
6794 (include_hash): Delete.
6795 (IHASHSIZE): New macro.
6796 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6797 (cpp_included): Do the hash lookup here.
6798 (_cpp_find_include_file): Rewrite.
6799 (cpp_read_file): Put the "fake" hash entry into the hash
6800 table. Honor the control_macro, if it turns out we've seen
6801 the file before. Don't push the buffer here.
6802 (_cpp_read_include_file): Push the buffer here.
6803 (OMODES): New macro. Use it whenever we call open(2).
6805 * cpphash.c: Include hashtab.h.
6806 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6807 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6808 _cpp_lookup_slot): New functions.
6809 (HASHSIZE): new macro.
6810 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6811 (_cpp_lookup): Use hashtab.h routines.
6813 * cppinit.c: Include hashtab.h.
6814 (cpp_reader_init): Call _cpp_init_macro_hash and
6815 _cpp_init_include_hash. Don't allocate hashtab directly.
6816 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6817 pfile->all_include_files.
6818 (initialize_builtins): Use _cpp_make_hashnode and
6819 htab_find_slot to add hash entries.
6820 (cpp_finish): Just call _cpp_dump_macro_hash.
6821 * cpplib.c: Include hashtab.h.
6822 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6823 create hash entries.
6824 (do_pragma_poison, do_assert): Likewise.
6825 (do_include): Don't push the buffer here. Don't increment
6826 system_include_depth unless _cpp_read_include_file succeeds.
6827 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6829 (do_pragma_implementation): Use alloca to create copy.
6831 * Makefile.in: Update dependencies.
6833 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6835 * cppinit.c (cl_directive_handler): More K&R fixing.
6837 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6839 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6841 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6843 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6845 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6846 Change from char[] to macros.
6848 2000-03-12 Neil Booth <NeilB@earthling.net>
6850 * cppinit.c (cpp_start_read): Update indirect function
6853 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6855 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6858 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6859 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6861 2000-03-11 Neil Booth <NeilB@earthling.net>
6863 * cppinit.c (struct pending option): Replace undef with a
6864 pointer to a directive handling routine.
6865 (struct cpp_pending): Replace separate assert_ and define_
6866 lists with one directive_ list.
6867 (new_pending_define): Rename new_pending_directive. Extra
6868 argument is the directive's handling routine.
6869 (handle_option): Update to use new_pending_directive.
6871 2000-03-11 Neil Booth <NeilB@earthling.net>
6873 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6874 remap_filename, _cpp_read_include_file, actual_directory,
6875 hack_vms_include_specification): Replace bcopy(), index() etc
6876 calls. Add casts to some allocations. Make some variables
6877 pointers to const [unsigned] char.
6878 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6879 collect_formal_parameters): Similarly.
6880 * cppinit.c (struct pending_option, append_include_chain,
6881 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6882 cpp_start_read, new_pending_define, handle_option): Similarly.
6883 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6884 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6885 do_pragma_implementation, detect_if_not_defined,
6886 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6887 do_assert, do_unassert): Similarly.
6888 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6889 function prototypes.
6890 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6892 2000-03-10 Richard Henderson <rth@cygnus.com>
6894 * builtins.c (expand_builtin_strlen): Revert last change.
6895 Use emit_insn_before if we're at the beginning of a sequence.
6897 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6899 * builtins.c (expand_builtin_strlen): Make sure that we have something
6900 at the beginning of the sequence.
6902 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6905 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6907 2000-03-10 Richard Henderson <rth@cygnus.com>
6909 * except.c (can_throw): Use INTVAL on a CONST_INT.
6910 (reachable_handlers): Likewise.
6911 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6913 2000-03-10 Andreas Jaeger <aj@suse.de>
6915 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6916 MD_STARTFILE_PREFIX since those are not needed on linux.
6917 (ASM_FILE_START): New, from mips/gnu.h.
6919 2000-03-09 Richard Henderson <rth@cygnus.com>
6920 Alex Samuel <samuel@codesourcery.com> and others
6922 * Makefile.in (ssa.o): New rule.
6924 (STAGESTUFF): Add *.ssa and *.ussa.
6925 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6926 * rtl.def (PHI): New RTL expression.
6927 * rtl.h (clear_log_links): New declaration.
6928 (convert_to_ssa): Likewise.
6929 (convert_from_ssa): Likewise.
6930 * flow.c (split_edge): If the entry node falls through to the
6931 split edge's source block, split the entry edge.
6932 (clear_log_links): New function.
6933 * toplev.c (ssa_dump): New variable.
6934 (flag_ssa): Likewise.
6935 (f_options): Add "ssa".
6936 (compile_file): Create SSA dump files.
6937 (rest_of_compilation): Go to and from SSA if enabled.
6938 (decide_d_option): Handle -de for SSA dump files.
6941 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6943 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6946 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6948 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6950 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6952 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6953 (MD_STARTFILE_PREFIX_1): New macro.
6955 2000-03-09 Robert Lipe <robertl@sco.com>
6957 * config/ia64/ia64.c: Include system.h.
6959 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6961 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6962 (init_eh_nesting_info): Likewise.
6964 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6965 (TREE_NOTHROW): Rename from TREE_RAISES.
6966 * toplev.c (rest_of_compilation): Set it.
6967 * print-tree.c (print_node): Adjust.
6968 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6969 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6970 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6971 REG_EH_REGION note as appropriate.
6972 (libfunc_nothrow): New fn.
6973 (emit_library_call, emit_library_call_value): Use it.
6974 (expand_call): Check TREE_NOTHROW.
6976 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6977 DECL_ASSEMBLER_NAME.
6979 2000-03-09 Andreas Jaeger <aj@suse.de>
6981 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6982 (TARGET_MEM_FUNCTIONS): Define.
6984 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6986 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6988 * except.c (can_throw): See through a SEQUENCE.
6989 (nothrow_function_p): New fn.
6990 * except.h: Declare it.
6991 * function.c (current_function_nothrow): New var.
6992 (prepare_function_start): Initialize it.
6993 * output.h: Declare it.
6994 * toplev.c (rest_of_compilation): Set it.
6995 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6997 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6999 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
7000 match. (cpp_compare_defs): Count the nul separator when
7001 advancing over argument names.
7003 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
7005 * recog.c (preprocess_constraints): Matching constraints affect
7006 same alternative/different operand, not same operand/different
7009 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
7010 register and a constant specially.
7012 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7014 * libgcc2.h: New file.
7015 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
7017 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
7019 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
7020 * configure: Regenerate.
7023 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7025 * Makefile.in (LIBCPP_DEPS): New macro.
7026 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
7028 * cpperror.c: Include cpphash.h.
7029 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
7031 (lex): Don't use CPP_WARN_UNDEF.
7032 (_cpp_parse_expr): Return an int, the truth value.
7033 * cppfiles.c: Include cpphash.h.
7034 (_cpp_merge_include_chains): Move to cppinit.c and make static.
7035 * cppinit.c (include_defaults_array): Disentangle.
7036 (cpp_cleanup): Don't free the if stack here.
7037 (cpp_finish): Pop off all buffers, not just one.
7038 * cpplib.c (eval_if_expr): Return int.
7039 (do_xifdef): Rename do_ifdef.
7040 (handle_directive): Don't use CPP_PREPROCESSED.
7041 (cpp_get_token): Don't use CPP_C89.
7042 * fix-header.c: Don't use CPP_OPTIONS.
7044 * cpplib.h: Move U_CHAR, enum node_type, struct
7045 file_name_list, struct ihash, is_idchar, is_idstart,
7046 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
7047 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
7048 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
7049 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
7050 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
7051 of _cpp_simplify_pathname, _cpp_find_include_file,
7052 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
7053 Move struct if_stack to cpplib.c. Move struct cpp_pending to
7055 Change all uses of U_CHAR to be unsigned char instead.
7056 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
7058 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7060 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
7061 (dwarf2out_begin_prologue): Set it.
7062 (output_call_frame_info): Don't emit EH unwind info for leaves.
7064 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
7065 can occur outside of an EH region.
7066 * except.c: Correct comments about rethrow behavior.
7067 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
7069 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
7071 * flow.c (make_edges): Always call make_eh_edge for calls.
7073 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7075 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
7076 (struct cpp_buffer): Remove fname and underflow fields.
7077 (struct cpp_reader): Remove get_token field.
7078 (struct include_hash): Rename to struct ihash. Add typedef to
7080 (struct if_stack): Remove fname field.
7081 (IF_STACK_FRAME): Rename to IF_STACK.
7083 * cpperror.c (print_containing_files): Trust that there are no
7084 macro buffers below the top file buffer.
7085 * cppfiles.c: Replace all references to 'struct include_hash'
7086 with 'IHASH'. Rename initialize_input_buffer to
7087 init_input_buffer. Don't set or reference cpp_buffer->fname,
7088 use buffer->ihash->name instead.
7089 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
7090 not CPP_NULL_BUFFER.
7091 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
7092 IF_STACK_FRAME, IHASH not struct include_hash.
7093 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
7094 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
7095 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
7096 references to cpp_buffer->fname (delete entirely, or use
7097 ->ihash->name instead) and IF_STACK->fname.
7098 (cpp_push_buffer): Don't set new->underflow.
7099 (do_include): Use cpp_file_buffer.
7101 * cpphash.c (collect_formal_parameters): Remove duplicate
7102 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
7103 used as a macro argument name. Don't append "..." to namebuf
7104 for varargs macros. After we're done scanning, go through
7105 namebuf and make it NUL separated, not comma separated.
7106 (_cpp_compare_defs): Remove register tag from variables.
7107 Expect defn->argnames to be NUL separated.
7108 (_cpp_dump_definition): Expect defn->argnames to be NUL
7109 separated and in forward order.
7110 * cpphash.h: Update documentation of argnames field.
7112 2000-03-08 Richard Henderson <rth@cygnus.com>
7114 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
7115 to fail. Don't pre-expand the source operand.
7117 * i386.md (strlensi): Initialize eoschar and align before use.
7119 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7121 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
7122 CONSTRUCTOR element.
7124 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7126 * mips.c (mips_expand_prologue): If the last
7127 named argument is the vararg marker "va_list", treat it as
7128 an unnamed argument.
7130 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
7132 * dbxout.c (dbxout_parms): When correcting for promoted
7133 big-endian parameters, use the mode of the DECL_RTL rather
7134 than UNITS_PER_WORD.
7136 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
7138 * c-common.h (make_fname_decl): Declare.
7139 * c-common.c (make_fname_decl): Define.
7140 (declare_hidden_char_array): Remove.
7141 (declare_function_name): Use make_fname_decl.
7142 * c-decl.c (c_make_fname_decl): New function.
7143 (init_decl_processing): Set make_fname_decl.
7145 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
7147 * cccp.c (handle_directive): Initialize backslash_newlines_p.
7149 2000-03-07 Philipp Thomas <pthomas@suse.de>
7151 * po/POTFILES.in: Remove cppalloc.c from file list.
7153 2000-03-07 Steve Chamberlain <sac@pobox.com>
7155 * pj.c (pj_expand_prologue): current_function->args_info is
7156 now current_function_args_info.
7158 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
7159 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
7160 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
7162 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7164 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
7165 output as hexadecimal rather than the default octal.
7167 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7169 * cpphash.c (special_symbol): Fix thinko in previous commit.
7171 2000-03-07 Neil Booth <NeilB@earthling.net>
7173 * cppexp.c (struct operation, left_shift, right_shift,
7174 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
7175 "int"s to "unsigned int"s.
7176 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
7178 * cpplib.h: Update for above.
7179 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
7180 returned from allocations.
7182 * cppinit.c (opt_comp, parse_options): New functions.
7183 (handle_option): Use parse_option to parse a single command
7184 line option, that possibly takes an argument.
7185 (cpp_handle_options): Sort the array of command line options on
7186 first invocation (non-ASCII hosts only).
7187 (print_help): Update.
7189 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7191 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
7192 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
7194 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
7196 * cppinit.c (cpp_cleanup): Free imp->nshort also.
7198 * cpperror.c (cpp_print_containing_files,
7199 cpp_print_file_and_line, v_cpp_message): Rename to
7200 print_containing_files, print_file_and_line, and v_message.
7201 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
7202 to _cpp_parse_expr, parse_escape, and lex.
7203 (parse_charconst): Remove broken multibyte support.
7204 * cppfiles.c (include_hash): Make static.
7205 (cpp_included): New function.
7206 (merge_include_chains, find_include_file, finclude,
7207 simplify_pathname): Rename to _cpp_merge_include_chains,
7208 _cpp_find_include_file, _cpp_read_include_file, and
7209 _cpp_simplify_pathname.
7210 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7211 cpp_install, create_definition, macroexpand, compare_defs,
7212 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7213 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7214 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7215 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7217 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7219 * cpphash.h: Update prototypes.
7220 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7222 2000-03-07 Andrew Haley <aph@cygnus.com>
7224 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7225 PTRDIFF_TYPE should be based solely on Pmode.
7228 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7230 * rtl.h (rtunion_def): Constify member `rtstr'.
7231 (emit_line_note_after, emit_line_note, emit_line_note_force,
7232 emit_note, decode_asm_operands): Constify.
7234 * cse.c (canon_hash): Likewise.
7236 * dbxout.c (dbxout_block): Likewise.
7238 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7239 v_warning_for_asm): Likewise.
7241 * dwarfout.c (function_start_label): Likewise.
7243 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7244 emit_line_note_force): Likewise.
7246 * final.c (last_filename, asm_insn_count, final_scan_insn,
7247 output_source_line): Likewise.
7249 * function.h (struct emit_status): Likewise.
7251 * gcse.c (hash_expr_1): Likewise.
7253 * genattr.c (gen_attr, main): Likewise.
7255 * genattrtab.c (struct function_unit, current_alternative_string,
7256 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7257 attr_numeral, check_attr_test, check_attr_value,
7258 convert_set_attr_alternative, convert_set_attr,
7259 compute_alternative_mask, simplify_by_exploding, gen_attr,
7260 gen_unit): Likewise.
7262 * genflags.c (gen_insn): Likewise.
7264 * gengenrtl.c (type_from_format): Likewise.
7266 * genopinit.c (gen_insn): Likewise.
7268 * genoutput.c (n_occurrences, process_template, process_template):
7271 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7274 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7277 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7278 ggc_set_mark, ggc_get_size): Likewise.
7280 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7282 * optabs.c (init_one_libfunc): Likewise.
7284 * output.h (assemble_start_function): Likewise.
7286 * recog.c (decode_asm_operands): Likewise.
7288 * toplev.c (rest_of_compilation): Likewise.
7290 * tree.h (emit_line_note_after, emit_line_note,
7291 emit_line_note_force): Likewise.
7293 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7294 asm_emit_uninitialised, assemble_start_function,
7295 assemble_variable, const_hash, compare_constant_1,
7296 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7298 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7300 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7302 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7304 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7306 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7307 arm_dllimport_name_p): Likewise.
7309 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7312 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7314 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7316 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7317 arm_mark_dllexport, arm_mark_dllimport,
7318 arm_pe_encode_section_info): Likewise.
7320 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7321 ASM_FINISH_DECLARE_OBJECT): Likewise.
7323 * arm/thumb.c (thumb_function_prologue): Likewise.
7325 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7327 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7329 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7331 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7333 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7335 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7337 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7338 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7340 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7342 * i386/i386.c (asm_output_function_prefix): Likewise.
7344 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7346 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7348 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7350 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7351 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7352 ASM_OUTPUT_SECTION_NAME): Likewise.
7354 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7356 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7358 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7360 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7362 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7364 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7366 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7368 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7370 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7372 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7374 * mips/mips.md (movdi, movsi): Likewise.
7376 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7378 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7380 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7382 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7383 ASM_OUTPUT_ASCII): Likewise.
7385 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7386 output_mi_thunk, output_toc): Likewise.
7388 * rs6000/rs6000.md (movsi): Likewise.
7390 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7392 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7394 * v850/v850.c (print_operand, print_operand_address,
7395 v850_encode_data_area): Likewise.
7397 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7399 * config/mips/mips.md (zero_extendsidi2): Always force operand
7400 one to memory for mips16.
7402 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7404 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7405 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7406 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7407 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7408 (min_precision): Result is unsigned.
7409 (add_double, neg_double, mul_double): Low word is unsigned.
7410 (lshift_double, rshift_double, lrotate_double): Likewise.
7411 (rrotate_double, div_and_round_double): Likewise.
7412 (tree_floor_log2, compare_tree_int): New functions.
7413 (preserve_rtl_expr_temps): New declaration.
7414 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7415 (decl_attributes): Use tree_log2 to find alignment.
7416 Check for TREE_INT_CST_HIGH for format args.
7417 (min_precision): Now unsigned.
7418 Use tree_floor_log2.
7419 (truthvalue_conversion): Delete long-disabled code.
7420 * c-decl.c (finish_struct): Clean up tests on field width.
7421 (finish_function): Use compare_tree_int.
7422 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7423 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7424 (default_conversion, digest_init): Use compare_tree_int.
7425 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7426 Fix type errors in forming masks.
7427 * calls.c (initialize_argument_information): Use compare_tree_int.
7428 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7429 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7430 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7431 (store_field): Use compare_tree_int.
7432 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7433 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7434 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7435 (do_store_flag): Use compare_tree_int.
7436 * fold-const.c (encode, decode): Low part is always unsigned.
7437 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7438 (lshift_double, rshift_double, lrotate_double): Likewise.
7439 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7440 (fold_convert): Use compare_tree_int.
7441 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7442 (invert_truthvalue, case INTEGER_CST): Likewise.
7443 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7444 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7445 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7446 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7448 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7449 (expand_end_case): Use compare_tree_int.
7450 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7451 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7452 (layout_decl): Likewise.
7453 (layout_record, layout_union): Make sizes unsigned.
7454 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7455 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7456 * tree.c (struct type_hash): hashcode is unsigned.
7457 (build_type_attribute_variant, type_hash_list): Likewise.
7458 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7459 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7460 (build_complex_type): Likewise.
7461 (real_value_from_int_cst): Remove unneeded casts.
7462 (integer_all_onesp): Add casts.
7463 (tree_floor_log2, compare_tree_int): New functions.
7464 (build_index_type): Use tree_int_cst_sgn.
7465 * varasm.c (assemble_variable): Use compare_tree_int.
7467 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7469 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7471 * varasm.c (make_decl_rtl): Don't add a number to members of
7473 (make_function_rtl): Likewise.
7475 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7477 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7478 patch from 2000-01-28.
7480 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7482 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7483 filled with an insn from the jump target.
7485 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7487 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7488 (c4x_external_ref): Likewise.
7489 * config/c4x/c4x.c (struct name_list): Likewise.
7491 1999-12-16 Ben Collins <bcollins@debian.org>
7493 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7494 argument to genmultilib.
7495 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7496 the contents into the multilib.h header.
7497 * gcc.c: Declare multilib_exclusions for the specs file.
7498 (set_multilib_dir): Use it.
7499 (print_multilib_info): Likewise.
7500 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7501 to pass to genmultilib.
7503 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7505 * builtins.c (built_in_class_names, built_in_names): Constify a
7508 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7510 (_mcleanup): Ensure value matches format specifier in sprintf.
7512 * cpphash.c (special_symbol): Don't needlessly cast away
7515 * cppinit.c (base_name): Delete unused prototype.
7517 * mkdeps.c (deps_init): Make definition K&R safe.
7519 * tree.h (built_in_class_names, built_in_names): Constify a
7522 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7524 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7525 floating point instructions for epilogue delay.
7527 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7528 to gas if it supports .register pseudo.
7530 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7531 LONG_DOUBLE_TYPE_SIZE if not defined.
7532 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7533 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7535 * gengenrtl.c: Likewise.
7536 * print-rtl.c: Likewise.
7538 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7539 MASK_LONG_DOUBLE_128.
7540 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7541 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7542 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7543 (SUBTARGET_SWITCHES): Define.
7544 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7545 with -mlong-double-128.
7546 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7547 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7548 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7549 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7550 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7551 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7552 with -mlong-double-128.
7553 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7554 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7555 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7556 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7557 TARGET_LONG_DOUBLE_128): Define.
7558 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7559 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7560 long double on TARGET_ARCH64.
7562 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7564 * function.c (free_temps_for_rtl_expr): Don't free slots
7565 that have been pushed into a higher level.
7568 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7570 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7572 * basic-block.h (ALLOCA_REG_SET): Remove.
7573 (INITIALIZE_REG_SET): New macro.
7574 * flow.c (update_life_info): Use it.
7575 (calculate_global_regs_live): Likewise.
7576 (propagate_block): Likewise.
7577 * global.c (build_insn_chain): Likewise.
7578 * haifa-sched.c (schedule_region): Likewise.
7580 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7582 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7583 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7584 (DWARF_ARANGES_PAD_SIZE): New define.
7585 (output_aranges): Use it to pad the address range header.
7586 (DWARF_ROUND): Fix for non power of 2 rounding.
7588 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7590 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7592 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7594 * tree.def (RTL_EXPR): Update documentation.
7595 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7596 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7597 * function.c (preserve_rtl_expr_temp): New function.
7598 (preserve_rtl_expr_temps): Likewise.
7599 (preserve_rtl_expr_result): Use it.
7602 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7604 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7606 * regmove.c (copy_src_to_dest) Do not create src->dest move
7607 for unchanging destination.
7609 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7611 * function.h (struct sequence_stack): Remove rtl_expr.
7612 (struct emit_staus): Likewise.
7613 (seq_rtl_expr): Remove.
7614 * tree.h (free_temps_for_rtl_expr): Don't declare.
7615 (start_sequence_for_rtl_expr): Likewise.
7616 * rtl.h (preserve_rtl_expr_result): Likewise.
7617 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7618 (start_sequence_for_rtl_expr): Remove.
7619 (push_topmost_sequence): Don't save sequence_rtl_expr.
7620 (pop_topmost_sequence): Remove comment about not restoring it.
7621 (end_sequence): Don't set seq_rtl_expr.
7622 (init_emit): Don't initialize it.
7623 (mark_sequence_stack): Don't mark it.
7624 (mark_emit_status): Likewise.
7625 * except.c (protect_with_terminate): Use
7626 start_sequence_for_rtl_expr, not start_sequence.
7627 * expr.c (expand_expr, case RTL_EXPR): Don't call
7628 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7629 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7630 (preserve_rtl_expr_result): Remove.
7631 (free_temps_for_rtl_expr): Likewise.
7632 (pop_temp_slots): Likewise.
7633 (mark_temp_slot): Don't mark the rtl_expr.
7634 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7635 start_sequence_for_rtl_expr.
7637 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7639 * mkdeps.c, mkdeps.h: New files.
7640 * po/POTFILES.in: Add them.
7641 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7642 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7643 (mkdeps.o): New target.
7645 * cppfiles.c: Delete deps_output.
7646 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7647 OBJECT_SUFFIX, and base_name.
7648 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7650 (initialize_dependency_output): Use deps_init,
7651 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7652 all the unnecessary string bashing.
7653 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7655 * cpplib.c (do_include): Use deps_add_dep.
7656 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7657 deps_allocated_size, deps_size, deps_column members with
7658 single pointer to a struct deps. Delete prototype of
7661 * cppinit.c: Fix thinko in previous patch.
7663 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7665 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7666 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7667 (mode_for_size_tree): New function.
7668 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7669 * tree.h (mode_for_size_tree): New declaration.
7671 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7673 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7675 * stmt.c (is_body_block): Move...
7676 * dwarfout.c, dwarf2out.c: ...from here.
7677 * tree.h: Declare it.
7678 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7679 * final.c (final_start_function): Do call remove_unnecessary_notes
7682 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7684 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7686 * cpplib.h (_dollar_ok): New macro.
7687 (is_idchar, is_idstart): Use it.
7688 (IStable): Rename to _cpp_IStable. Declare it const if
7689 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7690 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7691 is_space): Update for renamed IStable.
7693 * cppinit.c: Delete all references to FAKE_CONST and CAT
7694 macros. Define init_IStable as empty macro if gcc >=2.7 or
7695 C99. Change TABLE() to ISTABLE and hardcode name of table.
7696 (cpp_start_read): Don't change the IStable based on
7699 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7700 changed. Handle '$' for char1 correctly.
7701 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7703 * cppexp.c (tokentab2): Make const.
7704 (cpp_lex): Make toktab const.
7705 * cppinit.c (include_defaults_array): Make const.
7706 (initialize_standard_includes): Make default_include const.
7708 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7710 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7711 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7712 (gen_decl_die): Likewise.
7713 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7714 (output_decl): Likewise.
7716 * varasm.c (make_function_rtl): If we change the name used in the
7717 rtl, update DECL_ASSEMBLER_NAME accordingly.
7718 (make_decl_rtl): Likewise.
7720 * toplev.c (rest_of_compilation): Tweak formatting.
7722 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7723 remove_unnecessary_notes.
7724 (debug_ignore_block): New fn.
7725 * toplev.h: Declare it.
7726 * emit-rtl.c (remove_unncessary_notes): Call it.
7727 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7728 * dwarf2out.h: Declare it.
7729 * final.c (final_start_function): Don't call remove_unnecessary_notes
7730 if we did insn scheduling.
7732 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7734 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7735 * cpplib.h: Delete SET_CPP_PEDANTIC.
7737 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7739 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7740 result is a RECORD_TYPE.
7742 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7744 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7746 2000-03-03 Richard Henderson <rth@cygnus.com>
7748 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7749 addition over compliments over shifts.
7751 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7753 * reload1.c (reload_combine_note_use): Handle return register USEs.
7754 REG case: Handle multi-hard-register hard regs.
7756 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7758 * md.texi: Document use of '*' in insn pattern name.
7760 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7762 * calls.c (special_function_p): operator new may not be malloc-like.
7764 * gcse.c (dump_hash_table): Really fix error in last change.
7766 2000-03-02 Denis Chertykov <denisc@overta.ru>
7768 * avr.c (print_operand): Use print_operand_address instead of
7770 * avr/libgcc.S: Cleanup code.
7772 2000-03-02 Richard Henderson <rth@cygnus.com>
7774 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7776 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7778 * tree.h (TYPE_ALIGN_UNIT): New macro.
7780 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7782 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7784 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7786 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7788 (SET_CPP_PEDANTIC): New macro.
7789 * cpplib.c (do_include): Don't bother checking system_header_p.
7790 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7791 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7793 * function.h (struct expr_status): Add x_arg_space_so_far.
7794 (arg_space_so_far): New macro.
7795 * expr.c (init_expr): Initialize it.
7796 * calls.c (emit_call_1): Reset it.
7797 (compute_argument_block_size, expand_call): Use it.
7798 (expand_call, store_one_arg): Increment it.
7800 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7802 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7805 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7807 * cppfiles.c (cpp_read_file): New function.
7809 * cpphash.c (collect_expansion): Make sure to reset last_token
7810 to NORM when we hit a string. Handle trailing whitespace
7811 properly when the expansion is empty.
7812 (create_definition): Disable line commands while parsing the
7814 (dump_definition): If pfile->lineno == 0, output a line
7815 command ahead of the dump, and add a trailing newline.
7817 * cppinit.c (append_include_chain): Add fifth argument, which
7818 indicates whether or not system headers are C++ aware.
7819 (initialize_standard_includes): New function,
7820 broken out of read_and_prescan. Pass 'cxx_aware' value from
7821 the include_defaults_array on to append_include_chain.
7822 (dump_special_to_buffer): Const-ify char array.
7823 (builtin_array): Don't dump __BASE_FILE__.
7824 (cpp_start_read): Use cpp_read_file. Reorder code for
7825 clarity. Don't output line commands here for -D/-A/-U
7826 switches. Don't call deps_output for files included with
7827 -include or -imacros.
7829 * cpplib.c (do_define): Don't pay any attention to the second
7831 (cpp_expand_to_buffer): Disable line commands while scanning.
7832 (output_line_command): Work in the file buffer.
7833 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7834 Fix formatting of comments. Prototype cpp_read_file.
7836 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7838 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7839 reference the language-equivalent of sizetype.
7840 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7841 * fold-const.c (size_binop, size_diffop): Put back checks.
7842 * gcse.c (dump_hash_table): Fix minor error in last change.
7843 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7844 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7847 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7849 * calls.c (expand_call) Do not attempt to combine stack adjustments
7850 with inhibit_defer_pop set.
7852 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7854 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7855 the DECL_SIZE for a FIELD_DECL.
7857 2000-03-01 Bruce Korb <bkorb@gnu.org>
7859 * fixinc/inclhack.tpl: remove unused symlinks
7860 * fixinc/README: GCC Maintainer info
7861 * fixinc/inclhack.sh: regen
7862 * fixinc/fixincl.sh: regen
7864 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7866 * cpphash.c (collect_expansion): Trim trailing white space
7867 from macro definitions, but don't go past the last insertion
7870 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7872 * i386.md (mulqi3): New pattern.
7874 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7876 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7878 (struct cpp_reader): Add parsing_if_directive and
7879 parsing_define_directive flags.
7880 (struct cpp_options): Remove output_conditionals flag.
7881 (check_macro_name): Delete prototype.
7883 * cpphash.h (struct macrodef): Delete.
7884 (struct reflist): Separate from struct definition.
7885 (struct definition): Remove unused fields. Add column number.
7886 (create_definition): Returns a DEFINITION *. Takes a
7887 cpp_reader * and an int.
7889 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7890 (PEEKC): Copy defn from cpplib.c.
7891 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7893 (struct arglist): Simplify.
7894 (collect_expansion): Rewrite. Get tokens by calling
7895 cpp_get_token. Add more error checking.
7896 (collect_formal_parameters): New function, broken out of
7897 create_definition and reworked to use get_directive_token.
7898 (create_definition): All real work is now in collect_expansion
7899 and collect_formal_parameters. do_define handles finding the
7900 macro name. Return a DEFINITION, not a MACRODEF.
7901 (macroexpand): Replace bcopy with memcpy throughout. Replace
7902 character-at-a-time copy loop with memcpy and pointer increments.
7903 (compare-defs): d1->argnames / d2->argnames might be null.
7905 * cpplib.c (copy_rest_of_line): Delete function.
7906 (skip_rest_of_line): Do all the work ourselves.
7907 (skip_string): New function.
7908 (parse_string): Use skip_string.
7909 (get_macro_name): New function.
7910 (check_macro_name): Delete.
7911 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7912 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7913 (handle_directive): ICE if we're called on a macro buffer.
7914 (do_define): Determine macro name and type (funlike/objlike)
7915 here. Expunge all uses of MACRODEF.
7916 (cpp_push_buffer): Set line_base to NULL.
7917 (do_undef, read_line_number): Don't worry about getting a POP token.
7918 (eval_if_expression): Set/reset parsing_if_directive around
7919 cpp_parse_expr. Don't clear only_seen_white.
7920 (skip_if_group): Remove output_conditionals logic. Use
7922 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7923 tokens under appropriate conditions.
7924 (cpp_unassert): Call do_unassert not do_assert. Oops.
7926 * cppexp.c (parse_defined): New function, break out of
7928 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7929 ourselves, with cpp_defined.
7930 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7932 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7933 * gcc.dg/strpaste-2.c: New.
7935 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7937 * fold-const.c (size_binop): Don't asert inputs are the same and
7938 have TYPE_IS_SIZETYPE set.
7939 (size_diffop): Likewise.
7941 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7943 * dwarfout.c (output_block): Output abstract blocks even if they
7944 don't have TREE_ASM_WRITTEN set.
7946 * calls.c (emit_library_call): Check for null REG.
7948 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7950 * c-decl.c (current_function_decl): Move to toplev.c.
7951 (init_decl_processing): Don't add current_function_decl as a ggc
7953 * dbxout.c (dbxout_symbol): Change return type to int.
7954 (dbxout_symbol_location, dbxout_syms): Likewise.
7955 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7956 any locals. Use current_function_func_begin_label if set.
7957 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7958 * dwarf2out.c (dwarf2out_begin_prologue): Set
7959 current_function_func_begin_label.
7960 * final.c (final_start_function): Reset it.
7961 * toplev.c (current_function_decl): Define it here.
7962 (current_function_func_begin_label): New variable.
7963 (main): Add both as ggc roots.
7964 * tree.h (current_function_func_begin_label): Declare.
7966 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7968 * gcse.c: Cleanups throughout: mostly white-space, but also
7969 some minor rearrangement of code.
7971 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7973 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7974 returns a PARALLEL. Use emit_group_load and use_group_regs
7976 (emit_library_call_value): Similarly.
7978 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7979 * pa/quadlib.asm: Remove.
7980 * pa/quadlib.c: New file.
7982 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7983 * configure: Rebuilt.
7985 2000-02-29 Philip Blundell <pb@futuretv.com>
7987 * config/arm/conix-elf.h: New file.
7988 * configure.in (arm*-*-conix*): New configuration.
7989 * configure: Regenerate.
7991 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7993 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7994 don't have TREE_ASM_WRITTEN set.
7996 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7998 * Eliminate DECL_FIELD_SIZE.
7999 * builtins.c (built_in_class_names, built_in_names): New variables.
8000 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
8001 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
8002 DECL_SIZE, not DECL_FIELD_SIZE.
8003 * print-tree.c (print_node): Remove code that prints extra blank
8004 lines in some cases.
8005 Properly handle inline and builtin function cases.
8006 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
8007 * tree.h (built_in_class_named, built_in_names): New declarations.
8008 (union tree_decl): Rename internal unions to u1 and u2 and change
8009 some of their components.
8010 Add new field built_in_class.
8011 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
8012 Reflect above changes.
8013 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
8014 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
8015 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
8016 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
8018 2000-02-28 Dmitri Makarov <dim@windriver.com>
8020 * extend.texi: Document ARM's support for long/short calls.
8022 * invoke.texi: Document ARM's -mlong-calls command line switch.
8024 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
8025 (arm_encode_call_attribute): Add prototype.
8026 (arm_set_default_type_attribute): Add prototype.
8027 (arm_strip_name_encoding): Add prototype.
8029 * config/arm/arm.c (arm_init_cumulative_args): replace
8030 initialisation og 'long_calls' field with initialisation of
8031 'call_cookie' field.
8032 (enum arm_pragma_enum): New enum.
8033 (arm_pragma_long_calls): New static variable.
8034 (arm_process_pragma): Also process "#pragma long_calls_off".
8035 (arm_valid_type_attribute_p): Accept short_call attribute.
8036 (arm_comp_type_attributes): Check long/short call attributes.
8037 (arm_encode_call_attribute): New function: Encode long_call
8038 or short_call attribute in function name.
8039 (arm_set_default_type_attributes): New function: Assign
8040 default attributes to newly defined type.
8041 (current_file_function_operand): New function: Return true if
8042 the symbol is a function which has already been compiled.
8043 (arm_is_longcall_p): New function: Return true if the
8044 indicated function should be called via a long call.
8045 (arm_get_strip_length): New function. Returns number of
8046 prefix characters to be stripped from a function's name.
8047 (arm_strip_name_encoding): New function. Strip prefix characters
8048 from a function's name.
8050 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
8052 (SHORT_CALL_FAG_CHAR): Define.
8053 (LONG_CALL_FAG_CHAR): Define.
8054 (ENCODED_SHORT_CALL_ATTR_P): Define.
8055 (ENCODED_LONG_CALL_ATTR_P): Define.
8056 (ARM_NAME_ENCODING_LENGTHS): Define.
8057 (STRIP_NAME_ENCODING): Define.
8058 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
8059 (ARM_ENCODE_CALL_TYPE): Define.
8060 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
8061 (ARM_DECLARE_FUNCTION_SIZE): Define.
8062 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
8064 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
8065 if a long call is needed.
8066 (call_value): Ditto.
8067 (call_symbol): Ditto.
8069 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
8070 ARM_DECLARE_FUNCTION_SIZE.
8072 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
8073 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
8074 (ARM_STRIP_NAME_ENCODING): Undefine.
8075 (STRIP_NAME_ENCODING): Undefine.
8076 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
8077 (ASM_DECLARE_FUNCTION_NAME): Ditto.
8078 (ASM_OUTPUT_COMMON): Ditto.
8079 (ASM_DECLARE_OBJECT_NAME): Ditto.
8081 * config/arm/pe.c (arm_dllexport_name_p): Check for
8083 (arm_dllimport_name_p): Ditto.
8084 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
8085 (arm_mark_dllimport): Ditto.
8087 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8089 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
8091 2000-02-28 Mark Mitchell <mark@codesourcery.com>
8093 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
8095 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
8097 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
8098 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
8099 NO_BUILTIN_WCHAR_TYPE is not defined.
8100 (CPP_WCHAR_TYPE): Delete.
8101 * cccp.c (main): Don't change wchar_type if cplusplus.
8102 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
8104 2000-02-28 Nick Clifton <nickc@cygnus.com>
8106 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
8108 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
8110 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
8111 (ASM_WEAKEN_LABEL): Define.
8113 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
8115 * expr.c (store_constructor): Do not emit USE.
8116 * rtl.h (stupid_life_analysis): Remove.
8118 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8120 * function.c (number_blocks): Reset next_block_index based on
8121 what debugging format is used, not what is defined.
8123 * lcm.c: Minor reformatting throughout.
8124 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
8126 * toplev.c (rest_of_compilation): Account for time in
8127 optimize_mode_switching.
8129 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
8130 if only marking labels.
8132 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
8134 * calls.c (expand_call): Attempt to combine stack adjustments with
8135 pending stack adjustments.
8137 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8139 * loop.c (reg_in_basic_block_p): Don't abort when falling through
8140 to the end of the function.
8142 2000-02-27 Mark Mitchell <mark@codesourcery.com>
8144 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
8146 * final.c (next_block_index): Remove.
8147 (max_block_depth): Likewise.
8148 (pending_blocks): Likewise.
8149 (init_final): Don't initialize them.
8150 (final_start_function): Don't set next_block_index. Set up
8152 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
8153 * function.h (number_blocks): New function.
8154 * function.c (get_block_vector): New function.
8155 (identify_blocks): Use it.
8156 (reorder_blocks): Set NOTE_BLOCK.
8157 (number_blocks): New function.
8158 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
8159 * tree.h (BLOCK_NUMBER): New macro.
8160 (tree_block): Add block_num field.
8161 * dbxout.c (next_block_number): Remove.
8162 (dbxout_init): Don't set it.
8163 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
8164 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
8166 * toplev.c (rest_of_compilation): Always call
8167 find_loop_tree_blocks. Fix indentation.
8168 * dwarf2out.c (next_block_number): Remove.
8169 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8170 to determine block numbers.
8171 (gen_inlined_subroutine_die): Likewise.
8172 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
8173 (decls_for_scope): Don't increment next_block_number.
8174 * dwarfout.c (next_block_number): Remove.
8175 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8176 to determine block numbers.
8177 (output_inlined_subroutine_die): Likewise.
8178 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
8179 (output_decls_for_scope): Don't increment next_block_number.
8180 * sdbout.c (next_block_number): Remove.
8181 (sdbout_block): Use BLOCK_NUMBER.
8182 (sdbout_begin_block): Simplify.
8183 * xcoffout.c (next_block_number): Remove.
8184 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
8185 (xcoffout_begin_block): Don't set next_block_number.
8186 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
8189 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8191 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
8192 (expand_builtin_strcpy): Pass correct type to size_binop.
8193 (expand_builtin_strcmp): Likewise.
8194 Clean up conditional structure.
8195 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
8196 (complete_array_type): Don't use size_binop for MAXINDEX.
8197 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
8198 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
8199 (c_alignof): Use size_one_node.
8200 (build_unary_op): Pass arg of proper type to size_binop.
8201 (really_start_incremental_init, push_init_level): Use sizetype for
8202 constructor{,_bit,_unfilled}_index.
8203 (pop_init_label, output_init_element): Likewise.
8204 (output_pending_init_elements, process_init_element): Likewise.
8205 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
8206 * expr.c (store_expr): Use size_int.
8207 (store_constructor): Use proper types for size_binop args.
8208 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
8209 (expand_expr_unaligned): Likewise.
8210 (string_contant): Return object of sizetype.
8211 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8212 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8213 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8214 * fold-const.c (int_const_binop): Refine when size_int is called.
8215 (fold_convert): Likewise.
8216 (size_int_wide): Rework to take KIND as arg, only take low order
8217 bits, handle new sizetype_tab datatype, and chain entries in
8219 (size_int_type_wide): New function.
8220 (size_binop): Validate types of arguments.
8221 (ssize_binop): Deleted.
8222 (size_diffop): New function.
8223 (extract_muldiv): Only fold division into multiplication for sizetypes.
8224 * function.c (assign_parms): Use size_diffop and make sure
8225 VAR field is of ssizetype; also pass proper type to size_binop.
8226 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8227 (round_down): Deleted from here.
8228 * store-layout.c (sizetype_tab): Now an array.
8229 (sizetype_set, early_root_list): New variables.
8230 (variable_size): Use size_one_node.
8231 (round_up): Pass proper type to size_binop.
8232 (round_down): Moved to here and corrected as above.
8233 (layout_record): Pass proper arg types to size_binop.
8234 (layout_type): Likewise.
8235 If sizetype_set is zero, record the type just laid out.
8236 (make_unsigned_type): Don't call set_sizetype;
8237 (make_signed_type): Likewise; also, call fixup_signed_type.
8238 (initialize_sizetypes): New function.
8239 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8240 set name of bitsizetype to "bit_size_type".
8241 Fix up type of sizes of all types made before call.
8242 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8243 * tree.c (fix_sizetype): Deleted.
8244 (build_common_tree_nodes): Call initialize_sizetypes.
8245 (build_common_tree_nodes_2): Don't call fix_sizetype.
8246 * tree.h (TYPE_IS_SIZETYPE): New macro.
8247 (initialize_sizetype): New declaration.
8248 (enum size_type_kind): New type.
8249 (struct sizetype_tab): Deleted.
8250 (sizetype_tab): Now array; adjust sizetype macros.
8251 (size_diffop, size_int_type_wide): New functions.
8252 (size_int_wide): Change number of args and type; access macros changed.
8253 (ssize_int, sbitsize_int): New macros.
8254 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8255 (ROUND_TYPE_SIZE_UNIT): New macro.
8257 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8259 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8261 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8263 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8264 Mark as possibly unused.
8266 * cse.c (cse_insn): Delete dead code involving tablejump.
8267 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8269 * Makefile.in (libcpp.a): Start by deleting it.
8271 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8273 * cpplib.h (enum file_change_code): Added rename_file.
8274 * cpplib.c (do_line): If a filename is given, set file_change to
8276 (output_line_command): If file_change is rename_file, always
8277 output a # directive with the file name.
8279 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8281 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8283 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8284 when copying a PARM_DECL or RESULT_DECL.
8286 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8288 * fix-header.c (recognized_function): Also fix prototypes for
8289 functions taking "void".
8291 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8293 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8294 looking at reg_reloaded_contents.
8296 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8298 * Makefile.in (STMP_FIXINC): New toggle.
8299 (LIBGCC2_DEPS): Delete all references.
8300 (stmp-headers): Delete target. All references either deleted
8301 or changed to stmp-int-headers.
8302 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8303 (LIBCPP_OBJS): Take out cppalloc.o.
8304 (cppalloc.o): Delete target.
8305 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8306 (gen-protos, fix-header): Link with libiberty.a.
8307 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8310 * configure.in: Remove refs to strerror.
8311 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8312 * system.h: Take out strerror stanza.
8314 * cpperror.c (my_strerror): Delete function.
8315 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8316 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8317 * cppalloc.c: Delete file.
8318 * gen-protos.c: Don't provide xrealloc.
8320 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8321 xstrerror throughout.
8323 2000-02-26 Bruce Korb <bkorb@gnu.org>
8325 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8326 match for DOS headers, too.
8327 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8329 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8331 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8332 is right for most ELF targets.
8333 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8334 Let the default file use %U properly.
8335 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8338 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8341 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8343 * toplev.c (documented_lang_options): Correct spelling error.
8344 (decode_d_option, decode_f_option, main): Likewise.
8346 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8348 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8349 to tell assembler it is permitted to expand large constants.
8351 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8353 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8354 (aux_info_suffix): Use.
8355 (SAVE_SUFFIX): New macro.
8357 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8358 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8359 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8361 * invoke.texi (Running Protoize): Update documentation.
8363 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8365 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8367 2000-02-25 John Wehle (john@feith.com)
8369 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8371 2000-02-25 Anthony Green <green@cygnus.com>
8373 * toplev.c (rest_of_compilation): Rebuild jump labels if
8374 combine_instructions has created a new direct jump.
8375 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8377 (combine_instructions): Call try_combine with new argument.
8378 Return non-null value when new direct jump instruction is created.
8379 * rtl.h: combine_instructions returns an int.
8381 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8383 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8384 jump when changing a computed jump into a jump to a known
8387 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8389 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8390 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8392 * i386.md (define_expand "clrstrsi"): Fix typo.
8394 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8396 * rtl.texi: Fix typo.
8398 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8400 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8401 UNITS_PER_WORD. Change caller initial_elimination_offset.
8402 (rounded_frame_size): Take into account that argument pushed has
8403 changed. Fix TARGET_ALIGN_DOUBLE problem.
8405 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8407 * haifa-sched.c (schedule_block): Explain the real reason
8408 we delete REG_SAVE_NOTEs on the first insn of a block.
8409 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8411 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8413 * input.h (push_srcloc): New function.
8414 (pop_srcloc): Likewise.
8415 * toplev.c (push_srcloc): Define it.
8416 (pop_srcloc): Likewise.
8418 2000-02-24 Richard Henderson <rth@cygnus.com>
8420 * flow.c (life_analysis): When collecting reg info, clear
8423 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8425 Fix bug exposed by reload.c no longer rounding the frame
8426 size to BIGGEST_ALIGNMENT:
8427 * sh.c (rounded_frame_size): New function.
8428 (sh_expand_prologue, sh_expand_epilogue): Use it.
8429 (initial_elimination_offset): Likewise.
8431 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8433 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8434 * sh-protos.h (sh_need_epilogue): Declare.
8435 * sh.c (sh_need_epilogue_known): New static variable.
8436 (sh_need_epilogue): New function.
8437 (function_epilogue): Clear need_epilogue_known.
8438 * sh.md (return): Split into expander / insn pattern.
8439 Make the expander conditional on ! sh_need_epilogue ().
8441 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8443 * machmode.h (get_mode_alignment): Declare.
8444 (GET_MODE_ALIGNMENT): Call it.
8445 * stor-layout.c (get_mode_alignment): New function. Make
8446 sure alignment is always power of 2.
8448 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8450 * i386.h: Remove useless definition of "I386" and misleading
8453 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8455 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8456 under which TREE_PERMANENT will be set.
8457 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8458 build1): Use TREE_SET_PERMANENT.
8459 * print-tree.c (print_node): Don't report value of
8460 TREE_PERMANENT if ggc_p is true.
8462 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8463 decide whether to give a type a new alias set.
8464 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8465 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8466 of value of 'obstack'.
8469 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8471 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8473 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8475 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8476 * cpplib.c (cpp_get_token): Produce them.
8477 * cppexp.c (cpp_lex): Handle them.
8479 2000-02-23 Nick Clifton <nickc@cygnus.com>
8481 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8482 comment tests on type attributes.
8484 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8486 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8487 conform to documentation.
8488 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8489 to check for special cases.
8490 * sh-protos.h (sh_loop_align): Declare.
8491 * sh.c (sh_loop_align): Define.
8493 2000-02-22 Andrew Haley <aph@cygnus.com>
8495 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8496 (SIZE_TYPE): Is 32 bits when using -mgp32.
8497 (PTRDIFF_TYPE): Ditto.
8499 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8501 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8503 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8505 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8506 BIGGEST_FIELD_ALIGNMENT a constant.
8508 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8510 * dwarf2out.c (output_line_info): Put the marker for the end of
8511 the line number info at the actual end.
8512 (gen_struct_or_union_type_die): Use decl_function_context
8513 to check for local classes.
8514 * dwarfout.c (output_type): Likewise.
8516 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8518 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8519 for arguments with a mode, but no type.
8520 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8521 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8522 * pa/long_double.h: New file.
8523 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8524 both have 128bit wide long doubles.
8525 * configure: Rebuilt.
8527 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8529 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8531 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8532 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8533 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8535 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8537 * integrate.c (compare_blocks, find_block): Likewise.
8539 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8541 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8543 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8544 expand_asm_operands): Likewise.
8546 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8548 * predict.c (estimate_probability): Added the pointer heuristic to
8549 the collection of static branch predictors.
8551 2000-02-21 Catherine Moore <clm@cygnus.com>
8553 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8554 * invoke.texi (-mfix7000): Document.
8556 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8558 * diagnostic.c (init_output_buffer): Make it possible to output at
8559 least 32 characters if we're given a too long prefix.
8561 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8563 * varasm.c (initializer_constant_valid_p): Call
8564 lang_expand_constant to simplify the constant.
8566 2000-02-20 Bruce Korb <bkorb@gnu.org>
8568 * fixinc/inclhack.def(stdio_va_list):
8569 typedef needs to be disabled.
8570 * fixinc/inclhack.sh: regen
8571 * fixinc/fixincl.x: regen
8573 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8575 * print-rtl.c (print_rtx): Don't print addresses when
8576 flag_dump_unnumbered.
8578 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8580 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8582 (sparc_va_arg, sparc_flat_output_function_prologue,
8583 sparc_flat_output_function_epilogue): Cast value to unsigned in
8585 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8587 * sparc.md: Add default case in switch.
8589 2000-02-19 Richard Henderson <rth@cygnus.com>
8591 * c-typeck.c (add_pending_init): Don't abort for multiple
8592 fields at the same offset.
8593 (pending_init_member): Test the correct member.
8595 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8597 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8599 (start_catch_handler) : Same.
8601 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8603 * Makefile.in: Have flow.o depend on $(EXPR_H)
8605 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8607 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8608 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8609 (finish_decl): Remove -Wlarger-than code from here.
8610 * flags.h (id_clash_len): Now int.
8611 (larger_than_size): Now HOST_WIDE_INT.
8612 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8613 Clean up checking to see if in table.
8614 (make_bit_field_ref): Remove extra parm to bitsize_int.
8615 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8616 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8617 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8618 and for computing size of decl.
8619 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8620 Move -Wlarger-than code to here.
8621 (layout_record): Remove extra arg to bitsize_int.
8622 Set TYPE_BINFO_SIZE_UNIT.
8623 (layout_union): Remove extra arg to bitsize_int.
8624 Use proper type for size of QUAL_UNION.
8625 (layout_type): Remove extra arg to bitsize_int.
8626 * toplev.c (id_clash_len): Now int.
8627 (larger_than_size): Now HOST_WIDE_INT.
8628 (decode_W_option): Clean up id-clash and larger-than- cases.
8629 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8630 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8631 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8632 (struct tree_decl): New field size_unit.
8633 (size_int_wide): No HIGH operand; NUMBER is now signed.
8634 (size_int_2): Deleted.
8635 (size_int, bitsize_int): Don't use it and rework args.
8636 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8638 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8640 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8642 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8644 * invoke.texi (Warning Options): Add an explanation of why
8645 you might want the -Wfloat-equal flag.
8647 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8649 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8650 * cppinit.c (new_pending_define): Add cast to avoid warning.
8651 * expmed.c (extract_bit_field): Likewise.
8652 * flow.c (enum reorder_skip_type): New type.
8653 (skip_insns_between_blcok): New it.
8654 Rework to avoid warning about possibly undefined variable.
8655 * function.c (assign_parms): Make thisparm_boundary unsigned.
8656 * genrecog.c (write_switch): Cast XWINT result to int.
8657 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8658 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8659 one for MIPS and one for Alpha.
8660 (get_tag, copy_object): Add casts to avoid warnings.
8661 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8662 * reload.c (find_reloads): Make TYPE enum reload_type.
8663 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8664 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8665 * varasm.c (compare_constant_1): Add cast to avoid warning.
8666 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8668 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8669 Cast switch operand of size to int.
8670 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8671 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8674 2000-02-18 Nick Clifton <nickc@cygnus.com>
8676 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8677 anything for an alignment of zero.
8679 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8680 anything for an alignment of zero.
8682 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8684 * gcc.texi (Bug Reporting): Refer to bugs.html.
8685 (Bug Lists): Likewise.
8686 * system.h (GCCBUGURL): New preprocessor define.
8687 * rtl.c (fancy_abort): Use it.
8688 * gcc.c (main): Likewise.
8690 2000-02-18 Richard Henderson <rth@cygnus.com>
8692 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8693 (life_analysis_1): Subsume into ...
8694 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8695 Use update_life_info for the relaxation.
8696 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8697 entry and regs_live_at_setjmp.
8698 (set_noop_p): Simplify.
8699 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8700 (record_volatile_insns): Split into ...
8701 (delete_noop_moves): ... here,
8702 (notice_stack_pointer_modification): ... here,
8703 (insn_dead_p): ... and here.
8704 (propagate_block): Don't query INSN_VOLATILE.
8705 (mark_used_regs): Mind !PROP_REG_INFO.
8706 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8707 not in life_analysis.
8709 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8711 * loop.c (canonicalize_condition): New function,
8712 broken out of get_condition.
8713 (get_condition): Use it.
8714 * expr.h (canonicalize_condition): Prototype it.
8716 * tree.h (tree_int_cst_msb): Declare.
8717 * tree.c (tree_int_cst_msb): New function.
8719 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8721 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8724 * invoke.texi (-fmessage-length=n): Document.
8726 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8728 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8730 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8732 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8735 2000-02-17 Nick Clifton <nickc@cygnus.com>
8737 * config/arm/thumb.c: Replace includes of system headers with
8738 #include "system.h".
8740 2000-02-16 Richard Henderson <rth@cygnus.com>
8742 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8743 Add crtbeginS.o and crtendS.o.
8744 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8745 (ENDFILE_SPEC): Use crtendS.o.
8746 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8748 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8749 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8751 (__dso_handle): New variable.
8752 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8753 bias to __CTOR_END__.
8755 2000-02-16 Richard Henderson <rth@cygnus.com>
8757 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8759 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8761 * longlong.h (__clz_tab): Declare as static to match definition.
8763 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8764 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8765 (XREF_FILE_NAME): Define.
8767 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8768 (EH_FRAME_SECTION_ASM_OP): Define.
8769 (IDENT_ASM_OP): Define.
8770 (TEXT_SECTION_ASM_OP): Define.
8772 (CTORS_SECTION_ASM_OP): Define.
8773 (CTOR_SECTION_FUNCTION): Use it.
8774 (DTORS_SECTION_ASM_OP): Define.
8775 (DTOR_SECTION_FUNCTION): Use it.
8777 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8779 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8782 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8783 debug_bb_n): New functions.
8784 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8785 * basic-block.h: Prototype new functions.
8787 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8789 * configure.in: Add support for avr target.
8790 * configure: Rebuilt.
8792 * invoke.texi: Add AVR invocation docs.
8793 * install.texi: Add information about AVR.
8794 * md.texi: Add AVR constraint letters description.
8795 * extend.texi: Add description for AVR specific attributes.
8797 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8799 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8801 2000-02-16 Nick Clifton <nickc@cygnus.com>
8803 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8804 (make_insn_raw): Move RTL check here.
8806 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8808 * version.c: Include gansidecl.h and version.h.
8810 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8812 * configure.in (gcc_version): When setting, narrow search to
8813 lines containing `version_string'.
8815 * Makefile.in (mainversion): Likewise.
8816 (GCC_H): New variable.
8817 (gcc.h): Delete target.
8818 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8819 (version.o): Depend on version.h.
8820 (dbxout.o): Don't depend on gcc.h.
8822 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8823 Michael Meissner <meissner@cygnus.com>
8825 * md.texi (Simple Constraints): Add item about whitespace.
8826 * genoutput.c (strip_whitespace): New.
8827 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8828 strip_whitespace for constraints.
8829 Test pointer using NULL, not 0.
8831 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8833 * cpplib.c (do_line): Pedwarn for #line > 32767.
8835 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8837 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8839 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8840 to default cpp spec.
8841 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8842 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8845 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8848 2000-02-15 Denis Chertykov <denisc@overta.ru>
8850 * configure.in: Add support for avr target.
8852 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8854 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8855 (sh_addr_diff_vec_mode): Don't declare.
8856 * sh.c (sh_addr_diff_vec_mode): Delete.
8858 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8860 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8862 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8864 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8865 (smulsi3_highpart_i): Name.
8866 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8867 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8868 (smulsi3_highpart, umulsi3_highpart): Likewise.
8870 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8871 correctly independent of endianness.
8872 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8873 confuse the optimizers.
8874 (mulsidi3+1, umulsidi3+1): New define_split.
8876 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8878 * config/sh/sh.md: Guard insn splits against illegal registers.
8879 * config/sh/sh.h: Correct comment about macros.
8881 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8882 Andrew MacLeod <amacleod@cygnus.com>
8884 * Makefile.in (lcm.o): Depend on insn-attr.h.
8885 * basic-block.h (optimize_mode_switching): Declare.
8886 * lcm.c (tm_p.h, insn-attr.h): #include.
8887 (seginfo, bb_info): New structs.
8888 (antic, transp, comp, delete, insert) : New file-scope static variables.
8889 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8890 (reg_becomes_live, optimize_mode_switching): Likewise.
8891 * tm.texi: Add description of mode switching macros.
8892 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8894 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8895 (fldi_ok, fpscr_set_from_mem): New prototypes.
8896 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8897 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8898 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8899 (sh_flag_remove_dead_before_cse): Remove declaration.
8900 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8901 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8902 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8903 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8904 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8905 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8906 (fldi_ok): New function.
8907 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8908 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8909 (emit_df_insn): Likewise.
8910 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8911 (sh_flag_remove_dead_before_cse): Delete.
8912 (get_free_reg, fpscr_set_from_mem): New functions.
8913 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8914 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8916 2000-02-15 Loren Rittle <ljrittle@acm.org>
8918 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8920 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8923 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8925 * cccp.c: Include version.h and/or don't declare `version_string'.
8926 * collect2.c: Likewise.
8927 * alpha.c: Likewise.
8928 * arm/aof.h: Likewise.
8929 * arm/coff.h: Likewise.
8930 * arm/elf.h: Likewise.
8931 * arm/pe.h: Likewise.
8932 * arm/tcoff.h: Likewise.
8933 * arm/telf.h: Likewise.
8934 * arm/tpe.h: Likewise.
8935 * arm/vxarm.h: Likewise.
8936 * convex/convex.c: Likewise.
8937 * i386/dgux.c: Likewise.
8938 * i386/sun386.h: Likewise.
8939 * m88k/m88k.c: Likewise.
8940 * mcore/mcore-pe.h: Likewise.
8941 * mips/mips.h: Likewise.
8942 * romp/romp.h: Likewise.
8943 * sh/sh.c: Likewise.
8944 * cpphash.c: Likewise.
8945 * cppinit.c: Likewise.
8946 * dwarf2out.c: Likewise.
8947 * dwarfout.c: Likewise.
8950 * mips-tfile.c: Likewise.
8951 * protoize.c: Likewise.
8952 * toplev.c: Likewise.
8955 * version.c (version_string): Constify a char*.
8957 * version.h: New file.
8959 2000-02-14 Nick Clifton <nickc@cygnus.com>
8961 * configure.in: Add mcore-elf and mcore-pe targets.
8962 * configure: Regenerate.
8964 * NEWS: Add note that MCore port has been contributed.
8966 * invoke.texi: Document command line switches for MCore port.
8967 * install.texi: Add MCore to list of supported targets.
8969 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8971 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8972 then we will need to import the frame handling functions.
8973 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8974 to import the frames themselves.
8976 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8977 Jason Eckhardt <jle@cygnus.com>
8979 * basic_block.h: Added prototype for reorder_basic_blocks.
8980 * toplev.c: Changes to add -freorder-blocks and graph dump after
8981 block reordering is done.
8982 * flow.c (reorder_block_def): New structure for use during block
8984 (REORDER_BLOCK_*): New macros to access members of above structure.
8985 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8986 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8987 functions for block reordering.
8989 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8991 * gcc.texi (Passes): Fix typo.
8992 * md.texi (Standard Names): Ditto.
8993 * tm.texi (Storage Layout): Ditto.
8995 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8997 * cpplib.c (do_define): Only free the old definition if it
9000 2000-02-13 Neil Booth <NeilB@earthling.net>
9002 * cppfiles.c (read_and_prescan): When emitting deferred
9003 newlines, test speccase[] again instead of checking each
9004 possible whitespace character in turn. When we encounter \r,
9005 look behind for \n first, then ahead.
9007 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9009 * cse.c (cse_altered): New internal flag.
9010 (cse_insn): Set it if we changed an insn.
9011 (cse_main): Clear cse_altered before each basic block.
9012 Only garbage collect if cse_altered is true afterward.
9014 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9016 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
9018 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
9020 * combine.c (simplify_comparison): Fix typo.
9022 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
9024 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
9027 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9029 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
9030 previously inserted node instead of root node. Caller changed.
9032 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9034 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
9036 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9038 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
9039 __dereg_frame_dtor): Add prototype argument.
9041 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
9043 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
9045 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
9047 * gthr-vxworks.h (__gthread_once): Likewise.
9049 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
9051 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
9053 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
9054 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
9055 stack pointer in functions w/o saved registers, output LEAVE more often
9056 on TARGET_USE_LEAVE machines.
9058 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
9060 * config/arm/arm.c (arm_init_cumulative_args); New function:
9061 Initlaise the CUMULATIE_ARGS strcuture for a function
9063 (arm_function_arg): New function: Determine where to place a
9064 function's argument. Also handles deciding the function's
9066 (current_file_function_operand): New function: Return true if
9067 the symbol is a function which has already been compiled.
9068 (arm_is_long_call_p): New function: Return true if the
9069 indicated function should be called via a long call.
9070 (arm_valid_type_attribute_p): New function: Return true if the
9071 attribute is a valid, arm specific, attribute.
9072 (arm_comp_type_attribute): New function: Return true if the
9073 two types have compatable, arm specific, attributes.
9075 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
9077 (FUNCTION_ARG): Redefine to call arm_function_arg.
9078 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
9080 (INIT_CUMULATIVE_ARGS): Redefine to call
9081 arm_init_cumulative_args.
9082 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
9084 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
9086 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
9088 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
9089 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
9090 (COMP_TYPE_ATTRIBUTES): Define.
9092 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
9093 if a long call is needed.
9094 (call_value): Call arm_is_long_call_p to decide if a long call
9096 (call_symbol): Call arm_is_long_call_p to decide if a long call
9099 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
9101 2000-02-11 Denis Chertykov <denisc@overta.ru>
9103 * README.AVR: New file with information about the avr ports.
9104 * config/avr: New directory with avr port files.
9106 2000-02-11 Andreas Jaeger <aj@suse.de>
9108 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
9110 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
9112 * cpphash.c: Fix formatting, update commentary.
9113 (dump_definition): Take three separate arguments instead of a
9114 MACRODEF structure argument.
9115 * cpphash.h: Update prototype of dump_definition.
9116 * cppinit.c (cpp_finish): Update call of dump_definition.
9118 * cpplib.c (do_define): Always create new hash entry with
9119 T_MACRO type. Remove redundant check for redefinition of
9120 poisoned identifier. Update call of dump_definition.
9121 (do_undef): Don't call check_macro_name. Rename sym_length to
9123 (do_error, do_warning): Don't use copy_rest_of_line or
9125 (do_warning): Don't use pedwarn for the actual warning,
9126 only the notice about its not being in the standard. (Fixes
9127 bug with #warning in system headers.)
9128 (do_ident): Stricter argument checking - accept only a single
9129 string after #ident. Also, macro-expand the line.
9130 (do_xifdef): Use cpp_defined. De-obfuscate.
9132 (do_pragma): Split out specific pragma handling to separate
9133 functions. Use get_directive_token. Update commentary. Do
9134 not pass on #pragma once or #pragma poison to the front end.
9135 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
9136 do_pragma_default): New.
9138 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
9140 * jump.c (jump_optimize_1): The first operand in a relational
9142 * optabs.c (emit_conditional_move): Handle relationals which
9143 have a known true/false result.
9145 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9147 * function.c (thread_prologue_and_epilogue_insns): Don't insert
9148 a RETURN insn into a block which already ends with a jump.
9150 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9152 * haifa-sched.c (BUF_LEN): Increase a lot.
9154 2000-02-11 Nick Clifton <nickc@cygnus.com>
9156 * configure.in: Add tm_p_file specification for thumb targets.
9157 * configure: Regenerate.
9159 * config/arm/thumb-protos.h: New file: Prototypes for exported
9160 functions defined in thumb.c.
9162 2000-02-11 Robert Lipe <robertl@sco.com>
9164 * Makefile.in (bootstrap-lean): Remove additional files.
9165 (bootstrap2-lean): Likewise.
9166 (VOL_FILES): List of files for above.
9168 2000-02-11 Nathan Sidwell <nathan@acm.org>
9170 * cpphash.c (special_symbol): Remove spurious argument to
9173 2000-02-11 Joel Sherrill (joel@OARcorp.com>
9175 * configure.in: (i*86-*-rtems*): Swapped elf and coff
9177 * configure: Rebuilt.
9179 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
9181 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
9183 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
9185 * pa.c, pa.h: Remove trigraph sequences within comments.
9187 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
9189 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
9191 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
9193 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9195 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9197 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
9199 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9201 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
9202 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
9203 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
9204 (ASM_FILE_END): Use c4x_file_end.
9205 * config/c4x/c4x.c (c4x_global_label): New function.
9206 (c4x_external_ref, c4x_file_end): Likewise.
9208 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
9209 (c4x_external_ref, c4x_end_file): Likewise.
9211 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9213 * cppexp.c: Don't include cpphash.h.
9214 (parse_charconst, cpp_lex): Use cpp_defined.
9215 (cpp_lex): Use get_directive_token throughout. Remove
9216 unnecessary cases from switch. Move assertion-handling code
9218 (cpp_parse_expr): If we see '+' or '-', check the context to
9219 determine if they are unary or binary operators. Streamline
9220 the jumps a bit. Do not call skip_rest_of_line.
9222 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9223 static. Export get_directive_token. Update commentary.
9224 (cpp_defined): New function.
9225 (do_define): Remove reference to T_PCSTRING. Call
9226 free_definition to release memory for old definition, when
9228 (eval_if_expression): Set only_seen_white to 0 before calling
9229 cpp_parse_expr. Call skip_rest_of_line after it returns.
9230 (cpp_read_check_assertion): Don't preserve a pointer into the
9231 token buffer across a call to cpp_get_token.
9233 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9234 * cppfiles.c (redundant_include_p): Use cpp_defined.
9235 * cpphash.c (free_definition): New function.
9236 (delete_macro): Use it. Update commentary.
9237 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9239 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9240 from enum node_type. Prototype cpp_defined and get_directive_token.
9241 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9243 * fix-header.c (check_macro_names): Use cpp_defined.
9244 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9245 the options structure.
9247 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9249 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9251 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9253 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9254 rather than die->die_tag.
9256 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9258 * combine.c (make_extraction, force_to_mode): Avoid warning on
9259 mixed-signedness conditionals.
9260 (make_field_assignment, nonzero_bits): Likewise.
9261 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9262 (store_split_bit_field, extract_split_bit_field): Likewise.
9263 (extract_fixed_bit_field, store_bit_field,
9264 * expr.c: Change alignment to be unsigned everywhere.
9265 (move_by_pieces, store_constructor_field, store_constructor):
9266 Alignment parm is unsigned.
9267 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9268 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9269 (do_compare_rtx_and_jump): Likewise.
9270 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9271 Compare align with GET_MODE_ALIGNMENT.
9272 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9273 (get_inner_reference): Likewise.
9274 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9275 (expand_assignment): Local vars for alignment now unsigned.
9276 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9277 (do_compare_and_jump): Likewise.
9278 (store_field): Call new function expr_align.
9279 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9280 Alignment arg now unsigned.
9281 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9282 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9283 (extract_bit_field): Likewise.
9284 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9285 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9286 (get_best_mode): Alignment arg is unsigned.
9287 * rtl.h (move_by_pieces): Likewise.
9288 * store-layout.c (maximum_field_alignment, set_alignment):
9290 (layout_decl): Alignment arg is now unsigned.
9291 Remove unneeded casts.
9292 (layout_record, layout_union, layout_type): Remove unneeded casts.
9293 Local alignment variables now unsigned.
9294 (get_best_mode): Alignment arg now unsigned.
9295 * tree.c (expr_align): New function.
9296 * tree.h (expr_align): Likewise.
9297 (maximum_field_alignment, set_alignment): Now unsigned.
9298 (get_inner_reference): Alignment argument is now pointer to unsigned.
9299 * varasm.c (assemble_variable): Add cast to eliminate warning.
9301 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9303 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9304 then store directly into op0.
9306 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9307 the CALL_INSN, and emit the note immediately after it.
9309 2000-02-10 Nick Clifton <nickc@cygnus.com>
9311 * config/arm/thumb.md (epilogue): Include a (return) in the
9312 generated insn, and emit it using emit_jump_insn not
9315 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9317 * function.c (assign_temp): Change zero-sized arrays to size 1.
9318 * integrate.c (expand_inline_function): Do not update
9319 stack_alignment_needed
9320 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9321 add some sanity checking, remove optimization for function with
9324 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9326 * flow.c (mark_regs_live_at_end): Delete unused variables.
9328 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9330 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9331 in macro FRAME_GROWS_DOWNWARD.
9333 * stmt.c (expand_end_bindings): Delete unused variable.
9335 * unroll.c (iteration_info): Mark parameter `loop' with
9338 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9340 * fixinc/server.c (load_data): Return NULL if the marker line is
9342 (run_shell): If load_data returns NULL, retry the command once, in
9345 * configure: Rebuilt.
9347 2000-02-09 Bruce Korb <bkorb@gnu.org>
9349 * gcc/fixincludes: ** DELETED **
9350 * gcc/fixcpp: ** DELETED **
9351 * gcc/fixinc-nt.sed: ** DELETED **
9352 * gcc/just-fixinc: ** DELETED **
9353 * gcc/Makefile.in: Removed out-dated commentary
9354 * gcc/configure.in: Removed fast-fixincludes disablement.
9355 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9357 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9358 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9361 2000-02-09 Richard Henderson <rth@cygnus.com>
9363 * jump.c (delete_insn): Don't delete user labels at -O0.
9365 2000-02-09 Robert Lipe <robertl@sco.com>
9367 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9368 Don't link with HOST_LIBS.
9370 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9372 * configure.in: Correct --help text for --with-dwarf2.
9373 Put tm-dwarf2.h after other tm files, if it's requested.
9374 * configure: Regenerate.
9375 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9378 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9380 * cpplib.h: Provide HASHNODE typedef and forward decl of
9381 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9382 DEFINITION, struct hashnode, struct macrodef, struct
9383 definition, scan_decls prototype, default defn of
9384 INCLUDE_LEN_FUDGE moved elsewhere.
9386 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9387 definition, and struct hashnode moved here. Remove the unused
9388 'predefined' field from struct definition. Replace the 'args'
9389 union with its sole member. All users updated (cpphash.c).
9390 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9391 multiple include guard.
9393 * cpphash.c (hashf): Make static; use better algorithm; drop
9394 HASHSIZE parameter; return an unsigned int.
9395 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9396 used. Calculate HASHSIZE modulus here.
9397 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9399 (create_definition): Drop PREDEFINITION parameter.
9400 * cpplib.c (do_define): Don't calculate a hash value here.
9401 Don't pass (keyword == NULL) to create_definition.
9403 * scan.h: Prototype scan_decls here.
9404 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9405 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9406 callers of cpp_lookup and cpp_install updated.
9408 * cpphash.c (macarg): Hoist all the flag diddling out of the
9410 (macroexpand): ... and out of the loop that calls macarg.
9411 Skip over the initial paren before macro arguments with
9412 cpp_get_non_space_token; point may be some distance before
9413 that paren. Abort if it's not there.
9415 * cpplib.c (parse_clear_mark): Delete function.
9416 (parse_set_mark, parse_goto_mark): Make static.
9417 (ACTIVE_MARK_P): New macro.
9418 (skip_block_comment, skip_line_comment): Do not bump the line
9419 if ACTIVE_MARK_P is true.
9420 (cpp_pop_buffer): The buffer to be popped may not have an
9422 (cpp_get_token): When looking for the initial paren before
9423 macro arguments, only set a mark in a file buffer, Always
9424 return to that mark before proceeding to call macroexpand or
9425 return a NAME token.
9427 * cpplib.h: Remove prototypes of parse_set_mark,
9428 parse_clear_mark, parse_goto_mark.
9429 (struct cpp_options): Rename 'put_out_comments' to
9430 'discard_comments' and invert its sense.
9431 * cppinit.c, cpphash.c, cpplib.c: All users of
9432 put_out_comments changed to use discard_comments, with
9435 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9437 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9438 the edge from a block that both jumps and falls through to the
9441 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9443 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9444 constant source address is legitimate.
9446 2000-02-09 Philip Blundell <pb@futuretv.com>
9448 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9451 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9453 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9455 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9457 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9458 ends with a newline and a NUL. Don't be so clever manipulating
9461 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9463 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9464 not to BIGGEST_ALIGNMENT.
9466 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9468 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9469 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9470 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9471 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9472 * frame.c (execute_cfa_insn): Handle
9473 DW_CFA_GNU_negative_offset_extended.
9475 2000-02-08 Richard Henderson <rth@cygnus.com>
9477 * flow.c (tidy_fallthru_edges): Split out from ...
9478 (delete_unreachable_blocks): ... here.
9479 (find_basic_blocks): Use it.
9481 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9483 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9485 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9487 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9488 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9489 (fix-header.o): Don't depend on cpphash.h.
9491 * scan.c (hashstr): New function.
9492 * scan.h: Prototype it.
9493 * fix-header.c: Don't include cpphash.h. Use hashstr.
9494 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9495 hashstr. Report hash table statistics. Add private
9496 definition of xrealloc.
9498 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9500 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9502 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9504 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9505 jumps with returns unless they are jumps to the fallthru block.
9507 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9509 * i386.md (addqi3_cc): Fix contraints.
9511 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9513 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9515 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9517 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9518 carriage return after a macro name.
9520 2000-02-07 Fred Fish <fnf@be.com>
9522 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9523 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9525 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9527 * cppfiles.c (deps_output): Count spacers in deps_column.
9529 2000-02-07 Neil Booth <NeilB@earthling.net>
9531 * cppinit.c (initialize_dependency_output): If there is no
9532 suffix, don't try to look for known suffixes. Use strrchr.
9533 (cpp_start_read): Remove duplicate initialization.
9535 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9537 * calls.c (compute_argument_block_size): New argument
9538 preferred_stack_boundary.
9539 (expand_call): update cfun->preferred_stack_boundary, update call of
9540 compute_argument_block_size
9541 (emit_library_call): Increate cfun->preferred_stack_boundary
9542 to PREFERRED_STACK_BOUNDARY
9543 (emit_library_call_value): Likewise.
9544 * explow.c (allocate_dynamic_stack_spave): Likewise.
9545 * function.c (prepare_function_start): Set
9546 cfun->preferred_stack_boundary
9547 * function.h (struct function): Add preferred_stack_boundary field.
9548 * integrate.c (expand_inline_function): Update
9549 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9550 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9551 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9553 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9555 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9556 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9557 cpp_pedwarn, cpp_pedwarn_with_line,
9558 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9559 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9560 v_cpp_error_with_line, v_cpp_warning_with_line,
9561 cpp_message_from_errno, cpp_perror_with_name): Delete.
9563 * cpperror.c (cpp_print_containing_files): Take starting
9565 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9566 (v_cpp_message): Now called directly by all entry points.
9568 (cpp_pfatal_with_name, cpp_message): Delete.
9569 (cpp_notice_from_errno, cpp_ice): New functions.
9570 (cpp_notice): Is now for reporting error conditions, just
9571 without an associated file.
9572 (cpp_error, cpp_error_with_line): Don't do anything if
9573 opts->inhibit_errors is on.
9574 (cpp_pedwarn_with_file_and_line): Take column argument also.
9576 * cpplib.h: Update prototypes of exported functions.
9577 (struct cpp_options): Add inhibit_errors.
9579 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9580 non-error messages. Include intl.h.
9582 * cppinit.c, cppmain.c: Likewise. Also, use
9583 cpp_notice_from_errno instead of cpp_perror_with_name or
9584 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9586 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9587 report internal errors.
9589 * cpplib.c (do_define): Switch bcopy to memcpy.
9590 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9592 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9593 bail out early if we hit a line comment.
9595 2000-02-06 Richard Henderson <rth@cygnus.com>
9597 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9598 * basic-block.h: Declare them.
9599 * emit-rtl.h (active_insn_p): New.
9600 (next_active_insn, prev_active_insn): Use it.
9601 * rtl.h: Declare it.
9602 * function.c (emit_return_into_block): New.
9603 (thread_prologue_and_epilogue_insns): Insert return insns instead
9604 of epilogues when possible.
9605 * jump.c (jump_optimize_1): Remove code to insert a return insn
9606 on the fallthru to the exit block.
9608 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9609 and for non-empty stack frames.
9610 * i386.md (return): Expand to return-pop as needed.
9612 2000-02-06 Richard Henderson <rth@cygnus.com>
9614 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9615 constant to op1 for testing.
9617 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9619 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9620 (fixuns_truncqfqi2): Use it.
9622 2000-02-06 Richard Henderson <rth@cygnus.com>
9624 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9627 * i386.md (widening and peepholes): Mask the constant instead of
9630 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9632 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9633 input pointer before possibly branching off to the backslash
9635 * cpphash.c (macroexpand): Correctly delete \r escapes when
9636 stringifying parameters.
9637 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9638 if we can; bail out early if we hit a line comment.
9639 (handle_directive): Treat '# 123' in an .S file just like
9640 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9641 Return 1 for '# not_a_directive'.
9642 (get_directive_token): Pop macro buffers here, so that
9643 cpp_get_token can't sneakily move past a newline.
9645 (cpp_get_token): goto randomchar if handle_directive returns 0.
9647 * cppalloc.c: Update copyright.
9648 * cpplib.c: Merge all the static function prototypes into one
9650 * cpplib.h: Remove #if 0 block.
9652 * cpperror.c: Remove #ifdef EMACS block.
9653 * cppmain.c: Likewise.
9654 * cpphash.c: Remove #if 0 blocks.
9655 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9656 * cpplib.c: Remove #if 0 blocks and code referencing
9657 pcp_inside_if or for_lint. Remove duplicate error message.
9658 Fix error messages for #else after #else or #elif. Reformat.
9659 Remove archaic TODO list.
9660 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9662 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9664 * i386/osf1elf.h: Add missing backslash to multiline string.
9666 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9668 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9670 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9672 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9674 * c-common.c: Include expr.h.
9676 * c-pragma.c (mark_align_stack): Add prototype.
9678 * caller-save.c (add_stored_regs): Likewise.
9680 * combine.c (record_promoted_value): Likewise.
9682 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9685 * cppinit.c (new_pending_define): Likewise.
9687 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9689 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9690 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9691 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9692 class_scope_p): Likewise.
9694 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9695 dwarf2out_add_library_unit_info): Likewise.
9697 * ggc.h (ggc_page_print_statistics): Likewise.
9699 * haifa-sched.c (propagate_deps): Likewise.
9701 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9703 * rtl.h (set_stack_check_libfunc): Likewise.
9705 * toplev.h (set_fatal_function): Likewise.
9707 * toplev.c (set_fatal_function): Delete prototype.
9709 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9711 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9713 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9714 (FUNC_END): Likewise.
9716 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9718 * caller-save.c: Include tm_p.h.
9720 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9722 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9724 2000-02-04 Neil Booth <NeilB@earthling.net>
9726 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9729 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9731 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9732 * genflags.c: Use the max_operand_1 logic from genemit.c to
9733 calculate how many arguments gen_insn prototypes have. Remove
9734 NO_MD_PROTOTYPES ifdefs from the generated file.
9735 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9736 file. Cast gen_insn initializers to insn_gen_fn.
9737 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9738 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9740 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9742 * fixinc/Makefile.in (HDR): Add machname.h.
9745 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9747 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9748 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9749 (c4x_cpu_version): Ditto.
9750 * config/c4x/c4x-protos.h: ... here.
9752 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9754 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9755 gen_abstract_function on our context if we're a nested function.
9757 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9759 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9760 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9762 2000-02-04 Bruce Korb <bkorb@gnu.org>
9764 * fixinc/genfixes(machname.h):
9765 Move the functionality from gen-machine.h into this file.
9766 UNdef MN_NAME_PAT if there are no names to change.
9767 Also, be a little kinder when AutoGen is not present.
9769 * fixinc/Makefile.in(machname.h):
9770 Change the generation rule to use genfixes.
9772 * fixinc/fixfixes.c(machine_name):
9773 machine_name_fix's functionality now dependent upon whether
9774 MN_NAME_PAT is defined.
9776 * fixinc/fixtests.c(machine_name):
9779 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9782 * fixinc/fixlib.h(mn_get_regexps):
9785 * fixinc/gen-machine.h: DELETED
9787 2000-02-04 Jan Hubicka <jh@suse.cz>
9788 Richard Henderson <rth@cygnus.com>
9790 * i386.c (SAVE_REGS_FIRST): Remove.
9791 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9792 (ix86_compute_frame_size): Likewise.
9793 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9794 (ix86_emit_restore_regs): Remove.
9795 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9796 when a frame pointer is in use.
9797 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9798 instead of pop to restore a register when profitable; emit leave
9800 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9802 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9803 * i386.md (prologue_allocate_stack): Remove.
9804 (epilogue_deallocate_stack): Remove.
9805 (pro_epilogue_adjust_stack): New.
9807 2000-02-04 Richard Henderson <rth@cygnus.com>
9809 * function.c (diddle_return_value): Rework to use a callback function.
9810 Use current_function_return_rtx if it's been set up.
9811 (do_clobber_return_reg, clobber_return_register): New.
9812 (do_use_return_reg, use_return_register): New.
9813 (expand_function_end): Use them.
9814 * stmt.c (expand_null_return): Likewise.
9815 * function.h: Declare them.
9816 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9817 (mark_reg): Change arguments as appropriate for callback.
9818 * integrate.c (expand_inline_function): Revert 19 Jan change.
9820 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9822 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9823 (Misc): Say the scheduler, not the Haifa scheduler.
9825 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9827 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9828 when in_mem is set. Update all callers.
9830 2000-02-04 Richard Henderson <rth@cygnus.com>
9832 * i386/openbsd.h (INT_ASM_OP): Define.
9834 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9836 * tm.texi: Fix various typos.
9838 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9840 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9841 (MD_STARTFILE_PREFIX_1): New macro.
9843 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9845 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9846 destination when needed.
9847 (strmovsi, strsetsi): New expander.
9848 (strmovsi_1, strsetsi_1): New pattern.
9849 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9850 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9851 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9852 * invoke.texi (align-stringops, inline-all-stringops): Document.
9854 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9856 * i386/netbsd.h (INT_ASM_OP): Define.
9858 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9860 * cpplib.h (cpp_reader): Add new flag, no_directives.
9861 * cpphash.c (macarg): Set it.
9862 * cpplib.c (handle_directive): If no_directives is on and we
9863 find a directive, issue an error and discard the line.
9865 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9867 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9868 FP constants. Add ! TARGET_FPU check for FP constants.
9870 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9872 * flow.c (find_basic_blocks): Don't kill label_value_list
9874 (cleanup_cfg): Kill it here.
9876 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9878 * expr.c (store_field): Ensure ALIGN is no stricter than the
9881 2000-02-02 Richard Henderson <rth@cygnus.com>
9883 * jump.c (delete_insn): Partially revert 19 Jan change;
9884 don't convert unused code labels to notes at -O0.
9886 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9888 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9889 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9891 2000-02-01 Richard Henderson <rth@cygnus.com>
9893 * i386.c (general_no_elim_operand): New.
9894 (nonmemory_no_elim_operand): New.
9895 (ix86_expand_move): Copy eliminable operands before a push.
9896 * i386-protos.h: Declare new functions.
9897 * i386.h (CAN_ELIMINATE): Simplify.
9898 (PREDICATE_CODES): Update.
9899 * i386.md (push insns): Don't allow eliminable register operands.
9901 2000-02-01 Richard Henderson <rth@cygnus.com>
9903 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9904 replace BLKmode with DECL_RTL's mode.
9906 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9908 * frame.c (find_fde): Convert for loop to do-while so compiler
9909 sees it's always executed at least once.
9910 * libgcc2.c (BBINBUFSIZE): Kill.
9911 (__bb_init_prg): Use fgets.
9912 (__bb_exit_trace_func): Don't paste strings.
9913 * unroll.c (unroll_loop): Initialize unroll_type, not
9914 unroll_number, and tweak logic to match.
9916 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9918 (ix86_flags_dependant): Likewise. Disentangle control flow.
9919 (ix86_sched_reorder): Break guts out to
9920 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9921 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9924 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9925 use string concatenation. Don't save and restore esi.
9927 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9928 (machname.h): Remove script to separate file. Use two-step
9929 sequence so target is not created if script fails.
9930 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9931 identifiers are defined.
9932 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9933 an empty string, machine_name doesn't need to do anything at
9935 (is_cxx_header): Add more cases to regexp.
9936 * fixinc/fixlib.h: Update prototype.
9937 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9939 * fixinc/fixincl.c: Define NO_BOGOSITY.
9941 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9942 (hp_sysfile): Add missing comma.
9943 (math_exception): Put the wrapper ifdefs at the beginning and
9944 the end of the file.
9945 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9947 2000-02-01 Richard Henderson <rth@cygnus.com>
9949 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9950 Use CONST0_RTX. Update all callers.
9951 * sparc.h, sparc-protos.h: Update accordingly.
9952 * sparc.md (fp mov insns): Use fp_zero_operand directly
9955 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9957 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9960 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9962 * Makefile.in (specs.ready): New target.
9963 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9965 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9967 * fixinc.irix: Use unique filenames for writing into /tmp,
9968 * fixinc.ptx: Likewise.
9969 * fixinc.sco: Likewise.
9970 * fixinc.svr4: Likewise.
9971 * fixinc.winnt: Likewise.
9973 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9975 * tsystem.h: New file.
9977 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9978 s-crtS): Depend on tsystem.h.
9980 * crtstuff.c: Include tsystem.h.
9981 * frame.c: Likewise.
9982 * libgcc2.c: Likewise.
9984 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9986 * builtins.c (expand_builtin_memset): Expand for variable sized
9989 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9991 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9994 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9996 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9998 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
10000 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
10002 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
10003 case 3->2 combining (combining with splitting) in which 2 is CC0
10004 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
10005 checked at the begining of the function with the aid of calling
10006 function 'can_combine_p'.
10008 2000-01-31 Dave Brolley <brolley@redhat.com>
10010 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
10012 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
10014 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
10017 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10019 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
10021 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
10024 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10026 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
10027 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
10028 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
10029 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
10030 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
10031 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
10032 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
10033 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
10034 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
10035 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
10037 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
10038 Add %(cpp_cpu) to CPP_SPEC.
10040 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
10041 Add %(cc1_cpu) to CC1_SPEC.
10043 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10045 * c-decl.c (c_decode_option): Accept optional numeric argument to
10046 -Wformat and set warn_format.
10047 * c-common.c: Don't emit warning about non-constant printf format
10048 string unless warn_format > 1.
10050 2000-01-30 Richard Henderson <rth@cygnus.com>
10052 * alpha.md (return_internal): Allow after reload only.
10054 2000-01-30 Richard Henderson <rth@cygnus.com>
10056 * i386.c (ix86_compute_frame_size): Omit padding1 if the
10057 local frame size is zero.
10059 2000-01-30 Richard Henderson <rth@cygnus.com>
10061 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
10062 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
10063 * alpha.md (return): Turn into an expander.
10064 (return_internal): Don't use $26.
10065 (epilogue): Emit the return insn.
10067 2000-01-30 Richard Henderson <rth@cygnus.com>
10069 * alpha.md (negtf2, abstf2): Fix word order thinko.
10070 (extendsftf2): New.
10071 (trunctfsf2): Avoid intermediate rounding errors.
10073 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10075 * cppfiles.c (find_position): Drop 'colp' argument, return the
10077 (read_and_prescan): Adjust to match. Don't ever manipulate
10078 line or line_base except via find_position.
10080 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10082 * c-parse.in: Apply Ulrich's changes from c-parse.y.
10083 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
10086 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10088 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
10089 just print "<command line>". If 'filename' is null or an
10090 empty string, print "<stdin>" for the filename.
10091 * cpplib.c (do_define): Don't print the 'location of the
10092 previous definition' message if we're still parsing the
10094 (cpp_pedwarn_with_file_and_line): Always call
10095 cpp_file_line_for_message.
10097 2000-01-29 Mark Mitchell <mark@codesourcery.com>
10099 * flow.c (mark_regs_live_at_end): Fix typo.
10101 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10103 * c-common.c: Adjust variable names, comments, help strings to c99.
10104 * c-lex.c: Likewise.
10105 * c-parse.y: Likewise.
10106 * c-tree.h: Likewise.
10107 * cccp.c: Likewise.
10108 * cpplib.h: Likewise.
10109 * c-decl.c: Likewise. Recognize options with names "*99" as well.
10110 * cppinit.c: Likewise.
10112 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10114 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
10115 * c4x.c: Define the optab rtx values.
10116 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
10117 (c4x_emit_libcall): Use new optab rtx values.
10118 (c4x_emit_libcall3): Likewise.
10119 (c4x_emit_libcall_mulhi): Likewise.
10120 * c4x-protos.h: Add prototypes for optab rtx values and change
10121 prototypes for above c4x_emit_libcall functions.
10123 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10125 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
10127 (c4x_function_prologue): Use regnames intead of float_reg_names when
10129 (c4x_function_epilogue): Likewise.
10130 (c4x_print_operand): Likewise.
10131 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
10132 * c4x.md (set_high): Disable for TARGET_TI.
10134 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10136 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
10137 of framepointer + constant to ADDR_REGS class.
10138 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
10139 * c4x.c (std_or_reg_operand): New function.
10140 * c4x-protos.h (std_or_reg_operand): Prototype it.
10142 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10144 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
10145 object names as libgcc2.c.
10146 * libgcc.S: Use newly defined names.
10148 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
10149 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
10151 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
10152 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
10153 (FLOW_LOOP_LAST_BLOCK): Likewise.
10155 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10157 * basic-block.h (struct loop): New fields 'first' and 'last'.
10158 * flow.c (flow_loops_find): Compute loop->first and loop->last.
10159 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
10160 and loop->last to check for NOTE_INSN_LOOP_END.
10162 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
10164 * predict.c (estimate_probability): Use the new FIRST and LAST fields
10165 of the loop descriptor rather than HEADER and LATCH. Also added
10166 missing break statements as well making some coding style modifications
10167 as suggested by Michael Hayes.
10169 2000-01-28 Richard Henderson <rth@cygnus.com>
10171 * flow.c (find_basic_blocks): Remove do_cleanup argument.
10172 Break out that code ...
10173 (cleanup_cfg): ... here.
10174 (commit_one_edge_insertion): Detect a return instruction being
10175 emitted to an edge. Emit a barrier following; clear fallthru.
10176 (commit_edge_insertions): Verify CFG consistency.
10177 * function.c (expand_function_start): Kill unused variable.
10178 (expand_function_end): Likewise.
10179 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
10180 to insert the epilogue.
10182 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
10183 (delete_null_pointer_checks): Likewise.
10184 * output.h: Likewise.
10185 * reg-stack.c (reg_to_stack): Likewise.
10186 * toplev.c (rest_of_compilation): Likewise. Run
10187 thread_prologue_and_epilogue_insns after rebuilding the CFG.
10189 2000-01-28 Richard Henderson <rth@cygnus.com>
10191 * Makefile.in (flow.o): Revert 24 Jan change.
10192 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
10193 FUNCTION_VALUE result to DECL_RESULT's mode.
10195 * haifa-sched.c (schedule_insns): Don't recompute reg info
10198 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
10200 * configure.in: Make --enable-cpplib the default.
10201 * configure: Regenerate.
10202 * gcc.dg/990119-1.c: No longer expected to fail.
10204 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
10206 * jump.c (jump_optimize_1): Delete an optimization that is also done
10207 by merge_blocks in flow.
10209 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10211 * diagnostic.c (build_message_string, output_printf,
10212 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10213 (build_location_prefix): Fix non-literal format string.
10215 2000-01-27 Richard Henderson <rth@cygnus.com>
10217 * alpha.md (trunctfsf2): New.
10219 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10221 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10223 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10225 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10227 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10229 (skip_comment) ... here. Permit C++ comments in system
10230 headers always. Warn about C++ comments in user code under
10231 -std=gnu89 -pedantic.
10232 (copy_comment): Use skip_comment.
10233 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10235 (consider_directive_while_skipping, do_else, do_endif): Call
10236 validate_else unconditionally.
10237 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10238 text after the conditional in a system header.
10239 * cpplib.h (struct cpp_buffer): Add flag
10240 warned_cplusplus_comments.
10242 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10244 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10245 Use unshare_all_rtl_1.
10246 (unshare_all_rtl_again): New function.
10247 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10249 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10250 rather than resetting the 'used' flags ourself.
10252 * toplev.c (rest_of_compilation): Add current_function_decl
10253 to the unshare_all_rtl call.
10254 * tree.h: Prototype unshare_all_rtl.
10255 * rtl.h: Prototype unshare_all_rtl_again here.
10257 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10259 * genoutput.c (output_prologue): Include ggc.h in generated
10261 * Makefile.in (insn-output.o): Depends on ggc.h.
10263 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10264 Hans-Peter Nilsson <hp@bitrange.com>
10266 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10267 Remove redundant include of xm-ns32k.h.
10268 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10269 Remove redundant include of xm-ns32k.h.
10270 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10271 Remove redundant include of xm-ns32k.h.
10272 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10274 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10275 (TARGET_SWITCHES): Add documentation strings.
10276 (DWARF_FRAME_REGNUM): Override default definition.
10277 (REG_CLASS_CONTENTS): Add comments.
10278 (SUBSET_P): Format to reduce line length.
10279 (SMALL_REGISTER_CLASSES): Make a run time option.
10280 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10281 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10282 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10283 (regclass_map): fix typo in comment.
10284 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10285 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10286 (trace, reg_or_mem_operand): Delete, unused function.
10287 (calc_address_cost): Small offsets are cheaper than large ones.
10288 (expand_block_move): Generate more efficient code when bytes is a
10289 known at compile time.
10290 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10291 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10292 instead of reg_or_mem_operand.
10294 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10295 not general_operand. Similarly use "=rm" or stricter, not "=g".
10296 For input operands, use stricter constraints than "g" if not
10297 general_operand. Similarly use stricter predicate than
10298 "general_operand" when stricter constraints than "g" are present,
10299 except for matching constraints.
10300 (movstrsi): Use "memory_operand" for operands 0 and 1.
10301 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10302 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10303 not reg_or_mem_operand.
10304 (udivmoddisi4): Ditto.
10305 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10306 Use nonimmediate_operand for operand 3, not register_operand.
10307 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10308 reg_or_mem_operand.
10310 2000-01-27 Fred Fish <fnf@be.com>
10312 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10313 * gthr-single.h: Likewise.
10314 * gthr-solaris.h: Likewise.
10315 * gthr-vxworks.h: Likewise.
10316 * gthr-win32.h: Likewise.
10317 * gthr.h: Likewise.
10319 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10321 * cppinit.c: Add " (cpplib)" to end of string printed by
10324 2000-01-27 Richard Henderson <rth@cygnus.com>
10326 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10327 testing for a signed comparison.
10328 (alpha_emit_floatuns): New.
10329 * alpha-protos.h: Declare it.
10330 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10331 (extendsfdf2): Tidy.
10333 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10335 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10336 no -g option specifying debugging format, default to -gstabs+.
10338 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10340 * calls.c (special_function_p): New argument fork_or_exec.
10341 (expand_call): When profile_arc_flag is set and the function
10342 is in the fork_or_exec group, call __bb_fork_func first.
10343 * libgcc2.c, _bb module (__bb_fork_func): New function.
10344 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10346 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10347 * tree.h (special_function_p): Update prototype.
10349 2000-01-26 Richard Henderson <rth@cygnus.com>
10351 * alpha.c (alpha_split_tfmode_pair): New.
10352 * alpha-protos.h: Declare it.
10353 * alpha.md (abstf2, negtf2): New.
10354 (movtf insn): Add input G constraint.
10355 (movtf splitter): Use alpha_split_tfmode_pair.
10357 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10359 * i386/cygwin.h: PROTO -> PARAMS.
10361 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10363 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10364 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10365 using _Qp_cmp/_Q_cmp and testing the return value.
10366 (print_operand): Call reverse_condition_maybe_unordered if
10367 we are handling CCFPmode or CCFPEmode.
10368 Handle ORDERED, UN* and LTGT comparisons.
10369 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10370 if not TARGET_HARD_QUAD.
10371 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10372 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10373 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10374 Adjust gen_b* calls so that they reflect return comparison of
10375 sparc_emit_float_lib_cmp.
10377 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10379 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10380 incoming operands array is large enough for one more operand.
10381 (alpha_emit_xfloating_arith): Likewise.
10383 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10385 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10386 file with one line and no trailing newline.
10387 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10388 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10389 checking if the match is on the line.
10390 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10392 2000-01-25 Richard Henderson <rth@cygnus.com>
10394 * sparc.c (output_cbranch): Fix accidental squashing of the
10395 fp branch pre-delay nop.
10397 2000-01-25 Richard Henderson <rth@cygnus.com>
10399 * tree.def (UNNE_EXPR): Remove.
10400 * c-typeck.c (build_binary_op): Don't handle it.
10401 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10403 * rtl.def (UNNE): Remove.
10405 * jump.c (reverse_condition): Update accordingly.
10406 (swap_condition): Likewise.
10407 (comparison_dominates_p): Handle unordered comparisons.
10408 (reverse_condition_maybe_unordered): New.
10409 * rtl.h (reverse_condition_maybe_unordered): Declare.
10411 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10412 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10413 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10414 * sparc.md (bltgt): New.
10416 2000-01-25 Nick Clifton <nickc@redhat.com>
10418 * emit-rtl.c (emit_insn): Only check machine class insns for
10419 improper emission of a RETURN.
10421 2000-01-25 Richard Henderson <rth@cygnus.com>
10423 * Makefile.in (flow.o): Depend on $(EXPR_H).
10424 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10425 duplicate the structure of diddle_return_value for keeping regs live.
10427 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10429 * loop.c (current_loop_info): Delete.
10430 (consec_sets_invariant_p): Add loop argument, update callers.
10431 (get_condition_for_loop): Likewise.
10432 (count_nonfixed_reads, update_giv_derive): Likewise.
10433 (simplify_giv_expr, general_induction_var): Likewise.
10434 (consec_sets_giv, recombine_givs): Likewise.
10435 (move_movables): Delete loop_start and loop_end arguments,
10436 add loop argument, and update callers.
10437 (find_mem_givs, check_final_value): Likewise.
10438 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10439 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10441 (basic_induction_var): Add loop argument, delete loop_level argument,
10442 and update callers.
10443 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10444 add loop argument, and update callers.
10445 (find_splittable_regs, find_splittable_givs): Likewise.
10446 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10447 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10448 (biv_total_increment): Delete loop_start and loop_end arguments;
10450 (precondition_loop_p): Delete loop_start and loop_info arguments;
10452 * loop.h (get_condition_for_loop): Add loop argument.
10453 (biv_total_increment): Delete loop_start and loop_end arguments.
10454 (precondition_loop_p): Delete loop_start and loop_info arguments;
10456 (final_biv_value): Delete loop_start and loop_end arguments;
10458 (final_giv_value, back_branch_in_range_p): Likewise.
10460 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10462 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10464 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10466 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10467 point to the new "generated_files" doc.
10469 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10471 * config/fp-bit.c (_unord_f2): Fix typo.
10473 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10475 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10476 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10477 functions obsoleted by GC, such as push_obstacks_nochange,
10478 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10479 and code which existed only to decide whether or not to call
10480 them. Remove now-unused NESTED argument from start_function;
10481 all callers changed. Do not change behavior based on ggc_p.
10482 The use of the ixp_obstack in c-iterate.c and the util_obstack
10483 in objc/objc-act.c remain; these are not obsoleted by garbage
10485 * c-tree.h: Update prototype for start_function.
10487 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10489 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10491 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10494 2000-01-25 Richard Henderson <rth@cygnus.com>
10496 * sparc-protos.h (select_cc_mode): Declare.
10497 * sparc.c (select_cc_mode): New. Handle unordered compares.
10498 (output_cbranch): Always reverse via code change. Handle
10499 unordered compares. Factor tests and string updates.
10500 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10501 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10502 * sparc.md (bunordered, bordered): New.
10503 (bungt, bunlt, buneq, bunge, bunle): New.
10505 2000-01-25 Richard Henderson <rth@cygnus.com>
10507 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10508 * ggc-common.c (ggc_add_rtx_varray_root): New.
10509 (ggc_mark_rtx_varray): New.
10510 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10511 functions down below ggc_mark_foo.
10512 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10514 2000-01-25 Richard Henderson <rth@cygnus.com>
10516 * alpha.c (secondary_reload_class): Don't allocate a secondary
10517 for integral mode memories into FLOAT_REGS. Rearrange the more
10518 complicated memory expression inward.
10520 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10522 * inclhack.def: Fixes to play nicer with FreeBSD, and
10523 corrections to comments.
10524 (cxx_unready): Add select expression.
10525 (irix_sockaddr): Add bypass expression.
10526 (machine_ansi_h_va_list): New fix.
10527 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10528 Split out addition of "#include <stdarg.h>" to...
10529 (stdio_stdarg_h): ... here.
10530 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10531 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10532 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10534 (ultrix_ifdef): Tighten up select expression.
10536 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10537 re_ct and max_mach to avoid use of shell. Make printed names
10538 match names in inclhack.def. Use static copyright date.
10539 Don't count c_test and test expressions as requiring regex_t
10540 slots. Add some commentary.
10541 * inclhack.tpl: Do not include the 'This script contains N
10542 fixup scripts' line if PROGRAM is defined. Use static
10545 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10547 * dwarf2out.c: include "varray.h", not dyn-string.h.
10548 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10549 (addr_const_to_string, addr_to_string): Lose.
10550 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10551 (struct dw_val_struct): val_addr is now an rtx.
10552 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10553 (used_rtx_varray): New varray.
10554 (dwarf2out_init): Initialize it.
10555 (save_rtx): New fn.
10556 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10558 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10559 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10560 * Makefile.in (dwarf2out.o): Update dependencies.
10562 2000-01-24 Richard Henderson <rth@cygnus.com>
10564 * i386.c (i386_dwarf_output_addr_const): New.
10565 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10567 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10569 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10570 * i386.c (i386_simplify_dwarf_addr): New.
10571 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10573 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10575 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10576 TYPE_STUB_DECL is NULL.
10578 2000-01-24 Richard Henderson <rth@cygnus.com>
10580 * builtins.c (expand_tree_builtin): Move ...
10581 * c-common.c (expand_tree_builtin): ... here.
10583 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10585 * loop.h (LOOP_INFO): New accessor macro.
10586 * basic-block.h (struct loop): Rename field `info' to `aux'.
10587 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10588 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10589 * unroll.c (loop_iterations, unroll_loop): Likewise.
10591 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10593 * config/i386/t-cygwin: Accomodate new winsup directory layout
10594 when searching for include files.
10596 2000-01-24 Richard Henderson <rth@cygnus.com>
10598 * rtl.def: Add unordered fp comparisions.
10599 * tree.def: Likewise.
10600 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10602 * builtins.c (expand_tree_builtin): New function.
10603 * c-typeck.c (build_function_call): Use it.
10604 (build_binary_op): Support unordered compares.
10605 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10607 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10608 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10609 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10610 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10611 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10613 (swap_condition): Handle unordered compares.
10614 (thread_jumps): Check can_reverse before reversing.
10615 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10618 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10619 setcc is present before acking for cmp_optab. Update all callers.
10620 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10621 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10622 * expr.c (expand_expr): Likewise. Support unordered compares.
10623 (do_jump, do_store_flag): Likewise.
10624 * expr.h (enum libfunc_index): Add unordered compares.
10626 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10627 (DPBIT_FUNCS): Add _unord_df.
10628 * config/fp-bit.c (_unord_f2): New.
10629 * fp-test.c (main): Try unordered compare builtins.
10631 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10632 * alpha.c (alpha_comparison_operator): Check mode properly.
10633 (alpha_swapped_comparison_operator): Likewise.
10634 (signed_comparison_operator): Likewise.
10635 (alpha_fp_comparison_operator): New.
10636 (alpha_emit_conditional_branch): Handle unordered compares.
10637 * alpha.h (PREDICATE_CODES): Update.
10638 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10639 (bunordered, bordered): New.
10641 2000-01-24 Richard Henderson <rth@cygnus.com>
10643 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10644 * alpha.md (movtf): New expander, insn, and splitter.
10646 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10648 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10651 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10653 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10654 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10655 REG_ALLOC_ORDER): Add frame pointer
10656 (FRAME_POINTER_REGNUM): Set to 20
10657 (HARD_FRAME_POINTER_REGNUM): New macro.
10658 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10659 to HARD_FRAME_POINTER.
10660 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10661 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10662 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10663 (HI_REGISTER_NAMES): Add "frame".
10664 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10665 (debug_reg): Handle FRAME_POINTER_REGNUM.
10666 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10667 GENERAL_REGS and INDEX_REGS.
10668 * i386.c (SAVED_REGS_FIRST): new macro.
10669 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10670 (ix86_decompose_address, memory_address_length): Likewise.
10671 (regclass_map): Add frame pointer.
10672 (call_insn_operand): Handle frame_pointer_rtx.
10673 (reg_no_sp_operand): Likewise.
10674 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10675 (print_operand, legitimize_pic_address): Fix formating.
10676 (ix86_compute_frame_size): Make static, update prototype, new
10677 parameters padding1, padding2, use ix86_nsaved_regs, use
10678 stack_alignment_needed.
10679 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10680 to HARD_FRAME_POINTER_REGNUM conversions.
10681 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10682 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10683 (print_reg): Abort on FRAME_POINTER_REGNUM
10685 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10687 * i386.h (PREDICATE_CODES): Add aligned_operand.
10688 * i386.c (aligned_operand): New function.
10689 (ix86_aligned_p): Kill.
10690 * i386.md (movhi_1): Emit mov for aligned operands.
10691 (promoting peep2s): Use aligned_operand.
10693 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10695 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10696 expression to allow underscores in macro names.
10697 (fix_char_macro_defines): Increment scanning pointer.
10699 2000-01-23 Richard Henderson <rth@cygnus.com>
10701 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10702 * alpha/osf5.h: New file.
10703 * configure.in (alpha-*-osf5): Add it to tm_file.
10705 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10707 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10708 (alpha_emit_xfloating_cvt, function_arg): Declare.
10709 * alpha.c (alpha_emit_conditional_branch): Call
10710 alpha_emit_xfloating_compare for TFmode compares.
10711 (alpha_lookup_xfloating_lib_func): New.
10712 (alpha_compute_xfloating_mode_arg): New.
10713 (alpha_emit_xfloating_libcall): New.
10714 (alpha_emit_xfloating_arith): New.
10715 (alpha_emit_xfloating_compare): New.
10716 (alpha_emit_xfloating_cvt): New.
10717 (print_operand): Add default abort case.
10718 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10719 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10720 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10721 (RETURN_IN_MEMORY): True for TF/TCmode.
10722 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10723 (FUNCTION_ARG): Move to function_arg.
10724 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10725 (ASM_OUTPUT_LONG_DOUBLE): New.
10726 (ASM_OUTPUT_DOUBLE): Always output bits.
10727 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10728 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10729 (extenddftf2, trunctfdf2): New.
10731 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10733 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10734 * config/sparc/sol2.h: ... here.
10736 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10738 * basic-block.h (struct loops): New field `levels'.
10739 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10740 (flow_loop_level_compute): Initialise level to 1.
10741 (flow_loops_find): Set loops->levels.
10742 (flow_loops_dump): Print loops->levels.
10744 2000-01-23 Richard Henderson <rth@cygnus.com>
10746 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10747 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10749 2000-01-23 Richard Henderson <rth@cygnus.com>
10751 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10752 * i386.h (DBX_REGISTER_NUMBER): Use them.
10753 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10754 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10755 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10756 * i386/sequent.h: Kill incorrect comment.
10758 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10760 * ggc-page.c (struct page_entry): Make `context_depth' an
10762 (struct globals): Likewise.
10764 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10766 * loop.c (check_dbra_loop): When checking a loop for
10767 reversability, check the source of any stores to ensure
10768 they don't depend on an initial value.
10770 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10772 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10774 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10776 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10777 'pz_scan' into scope of entire function. Only affects
10778 compiles with -DDEBUG.
10780 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10782 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10783 section naming to that prior to 2000-01-07 patch.
10784 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10785 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10786 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10787 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10788 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10790 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10792 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10795 2000-01-21 Jim Wilson <wilson@cygnus.com>
10797 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10798 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10800 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10802 * cpphash.c (change_newlines): Delete function.
10803 (struct argdata): Delete 'newlines' and 'use_count' fields.
10804 (macroexpand): Remove code referencing those fields.
10806 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10808 * loop.c (loops_info): New variable.
10809 (loop_optimize): Allocate loops->array and free it on exit.
10810 Allocate memory for loops_info and assign to each loop,
10812 (find_and_verify_loops): Do not allocate loops->array.
10814 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10816 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10818 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10820 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10821 pseudos if expanded after first flow.
10822 (movdi_pic_label_ref): Likewise.
10824 2000-01-20 Richard Henderson <rth@cygnus.com>
10826 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10828 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10830 * Makefile.in (fixinc.sh): Depend on specs.
10831 * fixinc/Makefile.in: Add rule to create machname.h.
10832 (fixlib.o): Depend on machname.h.
10833 * fixinc/fixtests.c (machine_name): New test.
10834 * fixinc/fixfixes.c (machine_name): New fix.
10835 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10836 the machine_name test and fix.
10837 * fixinc/fixlib.h: Prototype it.
10838 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10839 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10841 * gcc.c (do_spec_1) [case P]: Take care not to create
10842 identifiers with three leading or trailing underscores.
10844 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10845 (fixincl): Don't specify libraries twice on link line.
10846 (gnu-regex.o): Remove special rule.
10847 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10848 defined by config.h. Do not define _REGEX_RE_COMP.
10849 (regcomp): Allocate and initialize a fastmap.
10850 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10852 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10854 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10856 2000-01-19 Richard Henderson <rth@cygnus.com>
10858 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10859 arguments with BB. Update all callers. Tidy line wrapping.
10861 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10863 * emit-rtl.c (try_split): Return last_insn if we split the
10866 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10868 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10869 (ix86_initial_elimination_offset): Declare.
10870 * i386.c (ix86_nsaved_regs): Break out from ...
10871 (ix86_can_use_return_insn_p): ... here.
10872 (ix86_emit_save_regs): Break out from ...
10873 (ix86_expand_prologue): ... here.
10874 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10876 (ix86_expand_epilogue): ... here.
10877 (ix86_compute_frame_size): Make static, add prototype.
10878 (ix86_initial_elimination_offset): Break out from ...
10879 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10881 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10883 * recog.h (OUT_FCN): Delete.
10885 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10887 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10889 * cppalloc.c: PROTO -> PARAMS.
10890 * cpperror.c: Likewise.
10891 * cppfiles.c: Likewise.
10892 * cpplib.c: Likewise.
10893 * cpplib.h: Likewise.
10895 * config/arm/arm-protos.h: PROTO -> PARAMS.
10896 * config/arm/arm.c: Likewise.
10897 * config/c4x/c4x.c: Likewise.
10898 * config/fr30/fr30-protos.h: Likewise.
10899 * config/nextstep.c: Likewise.
10900 * config/pa/pa.c: Likewise.
10901 * config/pj/pj.c: Likewise.
10902 * config/rs6000/rs6000.c: Likewise.
10903 * config/v850/v850-protos.h: Likewise.
10904 * config/v850/v850.c: Likewise.
10906 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10908 * i370-protos.h: New file.
10910 * i370.c: Include tm_p.h. Fix compile time warnings.
10912 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10915 * i370.md: Likewise.
10917 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10919 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10920 (target_isinf, target_isnan, eisnan): Mark parameter with
10922 (eiisinf): Wrap in INFINITY.
10923 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10924 (ibmtoe): Remove unused variable `rndsav'.
10926 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10928 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10929 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10931 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10933 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10934 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10935 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10937 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10938 Recognize Emacs mode markers also.
10939 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10940 C++ comments in C++ headers. Call is_cxx_header only if
10943 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10944 bypass for ncurses.
10945 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10946 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10947 ... these, which use the new C fixes.
10948 (math_exception): Escape literal '+' in bypass expression.
10950 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10953 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10955 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10958 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10960 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10961 prior to calling scan_loop.
10963 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10965 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10966 (split_branches, calc_live_regs): Likewise.
10968 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10970 * sh.md (fpu_single, fp_mode): New attributes.
10972 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10974 * loop.c (current_loop_info): Renamed from loop_info_data
10975 and changed to a pointer.
10976 (loop_optimize): Allocate loop_info structure for each loop
10977 and initialise to zero.
10978 (scan_loop): Set current_loop_info.
10980 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10983 2000-01-19 Richard Henderson <rth@cygnus.com>
10985 * stupid.c: Die die die.
10986 * Makefile.in (OBJS): Remove stupid.o.
10987 (stupid.o): Likewise.
10989 * except.c (emit_eh_context): Don't emit USEs for stupid.
10990 * explow.c (probe_stack_range): Likewise.
10991 * flags.h (obey_regdecls): Remove.
10992 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10993 when not optimizing.
10994 (life_analysis): Limit data collection when not optimizing.
10995 (mark_regs_live_at_end): Always mark the return value registers.
10996 (mark_used_regs): Remove dummy RETURN case.
10997 (print_rtl_with_bb): Don't consult obey_regdecls.
10998 * function.c (use_variable, use_variable_after): Remove.
10999 (assign_parms): Consult optimize not obey_regdecls.
11000 (expand_function_start): Don't emit USEs for stupid.
11001 (expand_function_end): Likewise.
11002 * global.c (build_insn_chain): Export.
11003 * integrate.c (expand_inline_function): Kill return-value USE
11005 * jump.c (jump_optimize_1): Do simple jump optimizations and
11006 dead code elimination.
11007 (calculate_can_reach_end): Remove check_deleted argument.
11008 (delete_insn): Patch out insns even when not optimizing.
11009 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
11010 * rtl.h (use_variable, use_variable_after): Remove declarations.
11011 (build_insn_chain): Declare.
11012 * stmt.c (expand_value_return): Don't emit USEs for stupid.
11013 (expand_end_bindings): Likewise.
11014 (expand_decl): Likewise. Consult optimize not obey_regdecls.
11015 * toplev.c (obey_regdecls): Remove.
11016 (rest_of_compilation): Don't set it. Kill stupid in favour of
11017 flow1, local-alloc, and reload.
11018 (main): Don't set obey_regdecls.
11020 * config/nextstep.c (handle_pragma): Likewise.
11022 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
11024 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
11026 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11028 * alpha-protos.h: PROTO -> PARAMS.
11029 * alpha.c: Likewise.
11031 * h8300.c: Likewise.
11032 * i386-protos.h: Likewise.
11033 * i386.c: Likewise.
11034 * m32r-protos.h: Likewise.
11035 * m32r.c: Likewise.
11036 * mips.c: Likewise.
11037 * mips.md: Likewise.
11038 * gmon-sol2.c: Likewise.
11039 * sparc.c: Likewise.
11041 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11043 * ns32k-protos.h: New file.
11045 * ns32k.c: Fix compile time warnings.
11047 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
11050 * ns32k.md: Likewise.
11052 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11054 * vax-protos.h: New file.
11056 * vax.c: Fix compile time warnings.
11058 * vax.h: Move prototypes to vax-protos.h. Fix compile time
11061 * vax.md: Likewise.
11063 * vaxv.md: Likewise.
11065 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11067 * romp-protos.h: New file.
11069 * romp.c: Fix compile time warnings.
11071 * romp.h: Move prototypes to romp-protos.h. Fix compile time
11074 * romp.md: Likewise.
11076 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11078 * we32k-protos.h: New file.
11080 * we32k.c: Fix compile time warnings.
11082 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
11085 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11087 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
11089 * except.c (eh_regs): Likewise.
11091 * final.c (output_operand): Likewise.
11093 * fold-const.c (target_isinf, target_isnan): Likewise.
11095 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11097 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
11098 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
11100 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
11101 when optimize_size.
11102 (clrstrsi): Rewrite.
11103 (strsethi, strsetqi): New expanders.
11104 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
11105 (cmpstrsi): Emit compare insn before cmpstrsi_1
11106 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
11107 (strlensi_1): Likewise.
11108 (cmpstrsi_1): Likewise; do not output compare.
11109 (strlen expander): Do not unroll when optimizing for size.
11110 (*subsi3_carry): Rename to subsi3_carry
11111 (addqi3_cc): New pattern.
11112 * i386.h (processor_costs): Add move_ratio field.
11113 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
11114 * i386.c (*_cost): Set move_ratio.
11115 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
11116 (x86_expand_strlensi_1): Rewrite the main loop.
11118 2000-01-17 Richard Henderson <rth@cygnus.com>
11120 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
11121 * cse.c (find_comparison_args, fold_rtx): Likewise.
11122 * integrate.c (subst_constants): Likewise.
11123 * loop.c (get_condition): Likewise.
11125 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
11127 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
11129 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11131 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
11132 (RESTORE_WARN_FLAGS): Unpack it.
11133 Change semantic type of extension to ttype.
11134 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
11135 * c-parse.y, c-parse.c, objc/objc-parse.y,
11136 objc/objc-parse.c: Regenerate.
11138 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
11140 * fixinc/fixlib.c: Add copyright notice.
11141 (compile_re): New function.
11142 * fixinc/fixlib.h: Prototype compile_re.
11144 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
11145 Use compile_re to compile regular expressions.
11147 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
11148 where the pattern matched.
11150 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
11152 (ultrix_ansi_compat): Likewise.
11153 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
11155 (interactv_add2, interactv_add3): Delete.
11156 (x11_sprintf): Don't use filename glob.
11157 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
11160 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11162 * print-rtl.c: PROTO -> PARAMS.
11163 * real.c: Likewise.
11164 * reg-stack.c: Likewise.
11165 * resource.c: Likewise.
11166 * sdbout.h: Likewise.
11167 * simplify-rtx.c: Likewise.
11168 * stor-layout.c: Likewise.
11169 * stupid.c: Likewise.
11170 * xcoffout.c: Likewise.
11171 * xcoffout.h: Likewise.
11173 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11175 * toplev.c: PROTO -> PARAMS.
11176 * toplev.h: Likewise.
11177 * tree.c: Likewise.
11178 * tree.h: Likewise.
11179 * unroll.c: Likewise.
11180 * varasm.c: Likewise.
11181 * varray.c: Likewise.
11182 * varray.h: Likewise.
11184 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11186 * reload.c: PROTO -> PARAMS.
11187 * reload.h: Likewise.
11188 * reload1.c: Likewise.
11189 * reorg.c: Likewise.
11190 * resource.h: Likewise.
11193 * rtlanal.c: Likewise.
11194 * sbitmap.h: Likewise.
11195 * sdbout.c: Likewise.
11196 * stack.h: Likewise.
11197 * stmt.c: Likewise.
11198 * system.h: Likewise.
11200 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11202 * machmode.h: PROTO -> PARAMS.
11203 * mbchar.h: Likewise.
11204 * mips-tdump.c: Likewise.
11205 * mips-tfile.c: Likewise.
11206 * optabs.c: Likewise.
11207 * output.h: Likewise.
11208 * prefix.c: Likewise.
11209 * profile.c: Likewise.
11210 * protoize.c: Likewise.
11211 * real.h: Likewise.
11212 * recog.c: Likewise.
11213 * recog.h: Likewise.
11214 * regclass.c: Likewise.
11215 * regmove.c: Likewise.
11216 * regs.h: Likewise.
11218 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11220 * ggc-common.c: PROTO -> PARAMS.
11221 * ggc-page.c: Likewise.
11222 * ggc-simple.c: Likewise.
11224 * global.c: Likewise.
11225 * graph.c: Likewise.
11226 * gthr-win32.h: Likewise.
11227 * haifa-sched.c: Likewise.
11228 * halfpic.h: Likewise.
11229 * integrate.c: Likewise.
11230 * integrate.h: Likewise.
11231 * jump.c: Likewise.
11233 * local-alloc.c: Likewise.
11234 * loop.c: Likewise.
11235 * loop.h: Likewise.
11237 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11239 * genattr.c: PROTO -> PARAMS.
11240 * genattrtab.c: Likewise.
11241 * gencheck.c: Likewise.
11242 * gencodes.c: Likewise.
11243 * genconfig.c: Likewise.
11244 * genemit.c: Likewise.
11245 * genextract.c: Likewise.
11246 * genflags.c: Likewise.
11247 * gengenrtl.c: Likewise.
11248 * genopinit.c: Likewise.
11249 * genoutput.c: Likewise.
11250 * genpeep.c: Likewise.
11251 * genrecog.c: Likewise.
11253 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11255 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11257 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11259 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11260 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11261 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11262 * configure, config.in: Rebuilt.
11264 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11266 * config/i386/i386.md: Add peephole to merge successive stack
11269 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11271 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11272 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11273 when walking backwards to find all the parameter loads when
11274 the basic block ends in a call.
11276 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11278 * loop.c (this_loop_info): Delete.
11279 (uid_loop): Add in place of uid_loop_num. All uses updated.
11280 (loop_number_exit_count): Delete and replace with entry in loop
11281 structure. All uses updated.
11282 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11283 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11284 (loop_outer_loop): Likewise.
11285 (loop_invalid, loop_number_exit_labels): Likewise.
11286 (loop_used_count_register): Delete and replace with entry in
11287 loop_info structure.
11288 (find_and_verify_loops): Add loops argument.
11289 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11290 loop_end, etc. arguments with loop structure pointer. All callers
11292 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11293 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11294 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11295 (insert_bct): Likewise.
11296 (basic_induction_var): New argument level.
11297 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11298 vtop, and cont. Add used_count_register.
11299 (uid_loop): Delete declaration.
11300 (loop_number_exit_count): Likewise.
11301 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11302 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11303 (loop_outer_loop, loop_used_count_register): Likewise.
11304 (loop_invalid, loop_number_exit_labels): Likewise.
11305 (unroll_loop): Replace loop_start and loop_end arguments
11306 with loop structure pointer.
11307 (loop_precondition_p, loop_iterations): Likewise.
11308 Include basic-block.h.
11309 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11310 with loop structure pointer.
11311 (loop_precondition_p, loop_iterations): Likewise.
11312 * basic-block.h (struct loop): New entries vtop, cont,
11313 cont_dominator, start, end, top, scan_start, exit_labels,
11315 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11317 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11319 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11321 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11323 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11325 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11327 * pdp11-protos.h: New file.
11329 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11332 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11335 * pdp11.md: Likewise.
11337 * 2bsd.h: Likewise.
11339 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11341 * mn10300-protos.h: New file.
11343 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11346 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11349 * mn10300.md: Likewise.
11351 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11353 * mn10200-protos.h: New file.
11355 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11358 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11361 * mn10200.md: Likewise.
11363 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11365 * h8300-protos.h: New file.
11367 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11370 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11373 * h8300.md: Likewise.
11375 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11377 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11378 (asm_emit_uninitialised): Likewise.
11380 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11382 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11383 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11385 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11387 * config/mips/mips.c (override_options): Don't turn on extra
11388 alignment for mips16.
11390 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11392 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11393 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11396 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11398 * builtins.c (PAD_VARARGS_DOWN): Define.
11399 (std_expand_builtin_va_arg): Use the above macro.
11400 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11401 * tm.texi (Register Arguments): Document the above macro.
11403 2000-01-14 Nick Clifton <nickc@cygnus.com>
11405 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11406 that this function has not been used to emit a jump
11409 * jump.c (return_jump_1): Cope with being passed a null rtx.
11411 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11413 * eh-common.h: PROTO -> PARAMS.
11414 * emit-rtl.c: Likewise.
11415 * errors.c: Likewise.
11416 * errors.h: Likewise.
11417 * except.c: Likewise.
11418 * except.h: Likewise.
11419 * explow.c: Likewise.
11420 * expmed.c: Likewise.
11421 * expr.c: Likewise.
11422 * expr.h: Likewise.
11423 * final.c: Likewise.
11424 * fix-header.c: Likewise.
11425 * flow.c: Likewise.
11426 * fold-const.c: Likewise.
11427 * function.c: Likewise.
11428 * function.h: Likewise.
11430 * gcov-io.h: Likewise.
11431 * gcov.c: Likewise.
11432 * gcse.c: Likewise.
11434 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11436 * sh-protos.h: New file.
11438 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11439 Add static prototypes. Fix compile time warnings.
11441 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11445 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11447 * arc-protos.h: New file.
11449 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11452 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11455 * arc.md: Likewise.
11457 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11459 * dsp16xx-protos.h: New file.
11461 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11464 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11467 * dsp16xx.md: Likewise.
11469 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11471 * convex-protos.h: New file.
11473 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11476 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11479 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11481 * elxsi-protos.h: New file.
11483 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11486 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11489 * elxsi.md: Likewise.
11491 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11493 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11494 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11495 match the comment for MIPS16.
11497 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11499 * flow.c (split_edge): Do not call set_block_for_insn if we
11500 do not have a basic_block_for_insn structure.
11502 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11503 and destination functions are 32bit aligned within the trampoline.
11504 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11505 (TRAMPOLINE_ALIGNMENT): Define.
11507 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11508 (set (pc) (label_ref)), verify the change creates a valid insn.
11510 * fr30.c (call_operand): Tighten and rework to match rules for
11511 call RTL expressions.
11512 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11513 * fr30.md (call patterns): Improve constraints.
11515 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11517 * fr30.c (fr30_expand_epilogue): Revert last change.
11518 Use emit_jump_insn for the return insn.
11520 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11521 Stan Cox <scox@cygnus.com>
11523 * predict.c: New file. Preliminary infrastructure work for static
11524 branch prediction and basic block reordering.
11525 * basic-block.h: Add prototype for estimate_probability.
11526 * Makefile.in: Add rules for predict.o.
11528 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11530 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11531 * fixinc/*: Likewise.
11533 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11535 * cccp.c: PROTO -> PARAMS.
11536 * cexp.y: Likewise.
11537 * collect2.c: Likewise.
11538 * combine.c: Likewise.
11539 * convert.h: Likewise.
11541 * dbxout.c: Likewise.
11542 * dbxout.h: Likewise.
11543 * diagnostic.c: Likewise.
11544 * doprint.c: Likewise.
11545 * dwarf2out.c: Likewise.
11546 * dwarf2out.h: Likewise.
11547 * dwarfout.c: Likewise.
11548 * dwarfout.h: Likewise.
11549 * dyn-string.h: Likewise.
11551 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11553 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11554 macro conditionals guarding use.
11556 * dwarf2out.c: Include "tm_p.h".
11558 * function.c (locate_and_pad_parm): Mark parameter with
11560 (expand_function_end): Likewise for variable `context'.
11562 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11564 2000-01-13 Nick Clifton <nickc@cygnus.com>
11566 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11567 register to prevent compile time warnings.
11569 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11571 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11572 to avoid -Wtraditional warning.
11574 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11576 * 1750a-protos.h: New file.
11578 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11581 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11584 * 1750a.md: Likewise.
11586 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11588 * a29k-protos.h: New file.
11590 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11593 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11596 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11598 * clipper-protos.h: New file.
11600 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11603 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11606 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11608 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11610 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11612 * configure.in (--enable-new-gxx-abi): New option.
11613 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11614 * Makefile.in (GXX_ABI_FLAG): New variable.
11615 * configure: Regenerate.
11617 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11619 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11620 * tm.texi (FORCE_STRUCT_BLK): Document.
11621 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11623 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11625 * config/ns32k/ns32k.md: Revert Jan 9 change.
11627 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11628 to a mode-test, if the predicate is address_operand.
11630 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11632 * combine.c (if_then_else_cond): Be careful about what kinds
11633 of RTL expressions are passed to operand_subword.
11635 * flow.c (split_edge): If we have to insert a new jump, make
11636 sure to associate it with a basic block.
11638 * flow.c (commit_one_edge_insertion): A block with one successor
11639 can end in a JUMP_INSN that is not a simplejump.
11641 2000-01-12 Robert Lipe <robertl@sco.com>
11643 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11644 (BUILD_VA_LIST_TYPE): Define.
11645 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11648 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11650 * cccp.c (do_pragma): Add cast to (char *).
11652 2000-01-12 Richard Henderson <rth@cygnus.com>
11653 Fred Fish <fnf@be.com>
11654 Jason Merrill <jason@cygnus.com>
11656 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11657 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11658 * i386/beos-elf.h, i386/beos-pe.h: New files.
11660 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11661 * cross-make (SYSTEM_HEADER_DIR): Define using
11662 CROSS_SYSTEM_HEADER_DIR.
11664 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11665 (process_command): Use it.
11666 (main): Likewise. Kill trailing = from env vars.
11667 (build_search_list): Put it back.
11668 * collect2.c (main): Use LIBRARY_PATH_ENV.
11670 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11671 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11673 * tm.texi (Frame Layout): Document SMALL_STACK.
11674 * c-common.c (c_common_nodes_and_builtins): Check it.
11676 * system.h: Undef alloca after including glibc's <stdlib.h>,
11677 if USE_C_ALLOCA is defined.
11679 * gcc.c (set_input): New fn.
11680 (main): After all input files are compiled, reset the input file
11683 * aclocal.m4 (rindex, index): If already defined, don't attempt
11686 * ginclude/varargs.h: (__va_list__): Define ifndef.
11687 * ginclude/stdarg.h: Likewise.
11689 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11690 instead of unsigned char.
11692 * hash.h (true, false, boolean): Undef before enum.
11694 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11695 proper type of "HOST_WIDE_INT *", rather than their natural type of
11696 "unsigned HOST_WIDE_INT *".
11698 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11700 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11702 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11704 * regclass.c (choose_hard_reg_mode): Likewise.
11706 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11708 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11710 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11712 * c-common.c: PROTO -> PARAMS.
11713 * c-common.h: Likewise.
11714 * c-decl.c: Likewise.
11715 * c-iterate.c: Likewise.
11716 * c-lang.c: Likewise.
11717 * c-lex.c: Likewise.
11718 * c-lex.h: Likewise.
11719 * c-parse.in: Likewise.
11720 * c-pragma.c: Likewise.
11721 * c-pragma.h: Likewise.
11722 * c-tree.h: Likewise.
11723 * c-typeck.c: Likewise.
11724 * objc/objc-act.c: Likewise.
11725 * objc/objc-act.h: Likewise.
11727 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11729 * m88k-protos.h: New file.
11731 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11734 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11736 * m88k.md: Likewise.
11738 * tekXD88.h: Likewise.
11740 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11742 * m68k-protos.h: New file.
11744 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11747 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11749 * mot3300.h: Likewise.
11751 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11753 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11755 (extract_bitlist): Declare bitlen.
11757 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11759 * cccp.c: Accept and ignore -lang-fortran.
11761 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11762 qualifiers don't match at any level of pointerness.
11764 2000-01-12 Robert Lipe <robertl@sco.com>
11766 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11768 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11770 * reload1.c (reload_reg_unavailable): New static variable.
11771 (reload_reg_free_p): Test it.
11772 (reload_reg_free_for_value_p): Test it instead of
11774 (choose_reload_regs_init): Compute it.
11776 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11778 * reorg.c (fill_slots_from_thread): Check modified_in_p
11781 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11783 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11784 these nodes even if INTERNALS is not set.
11786 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11788 * gcse.c (delete_null_pointer_checks_1): Cope when
11789 get_condition cannot determine the condition.
11791 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11793 * toplev.h (set_message_length): Declare.
11795 * diagnostic.c (obstack_chunk_alloc): Define macro.
11796 (obstack_chunk_free): Likewise.
11797 (struct output_buffer): New data structure.
11798 (vmessage): Remove.
11799 (output_maximum_width): New variable.
11800 (doing_line_wrapping, set_message_length, init_output_buffer,
11801 get_output_prefix, output_space_left, emit_output_prefix,
11802 output_newline, output_append, output_puts, dump_output,
11803 vbuild_message_string, build_message_string, build_location_prefix,
11804 voutput_notice, output_printf, line_wrapper_printf,
11805 vline_wrapper_message_with_location): New functions. Implement
11806 automatic line wrapping.
11807 (v_message_with_decl): Make it handle automatic line wrapping.
11808 (v_error_with_file_and_line): Likewise.
11809 (v_warning_with_file_and_line): Likewise.
11810 (announce_function): Likewise.
11811 (default_print_error_function): Likewise.
11813 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11815 * cpplib.h (struct cpp_options): Change lang_asm to char.
11817 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11818 done in cpp_handle_option now.
11819 (initialize_builtins): Take out special case code used only by
11821 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11822 if -traditional. Recognize -lang-fortran and set
11823 lang_fortran, also turn off cplusplus_comments.
11824 (print_help): Document -lang-fortran.
11825 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11826 lang_asm. Ignore all directives other than `# 123 "file"' if
11828 (cpp_get_token): If -traditional, don't recognize directives
11829 unless the # is in column 1.
11830 (parse_string): If lang_fortran or lang_asm, silently
11831 terminate strings ('' or "") at end of line.
11832 Remove unnecessary braces.
11834 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11835 Richard Henderson <rth@cygnus.com>
11837 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11839 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11840 strict_low_part when possible.
11842 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11844 * alias.c: PROTO -> PARAMS.
11845 * basic-block.h: Likewise.
11846 * bitmap.c: Likewise.
11847 * bitmap.h: Likewise.
11848 * builtins.c: Likewise.
11849 * c-aux-info.c: Likewise.
11850 * caller-save.c: Likewise.
11851 * calls.c: Likewise.
11853 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11855 * Makefile.in (toplev.o): Depend on regs.h.
11857 * output.h (tdesc_section): Prototype.
11859 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11861 * sdbout.c: Include "tm_p.h".
11863 * toplev.c: Include "regs.h".
11865 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11867 * unroll.c (unroll_loop): Add EH support.
11869 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11871 * pa-protos.h: New file.
11873 * pa.c: Include recog.h and tm_p.h.
11874 (compute_zdepwi_operands, compute_movstrsi_length,
11875 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11876 find_addr_reg, import_milli): Add static prototypes.
11877 (pa_cpu_string, pa_arch_string): Constify a char*.
11878 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11879 (read_only_operand): Add argument `mode'.
11880 (singlemove_string, output_move_double, output_fp_move_double,
11881 output_block_move, output_and, output_ior, output_ascii,
11882 remove_useless_addtr_insns, milli_names, output_mul_insn,
11883 output_div_insn, output_mod_insn, output_arg_descriptor,
11884 output_cbranch, output_bb, output_bvb, output_dbra, ,
11885 output_millicode_call, output_call, hppa_encode_label,
11886 output_parallel_movb, output_parallel_addb): Constify a char*.
11887 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11888 (output_parallel_addb): Remove extra arg to `constrain_operands'
11890 * pa.h: Move all prototypes to pa-protos.h.
11891 (pa_cpu_string, pa_arch_string): Constify a char*.
11892 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11894 * pa.md: Call `function_label_operand' with mode argument.
11895 Likewise for `read_only_operand'.
11896 Fix nesting of parens in call to `symbolic_operand'.
11898 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11900 * i860-protos.h: New file.
11902 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11905 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11907 * i860.md: Likewise.
11909 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11911 * i386.md (movstrsi expander): Rewrite.
11912 (movstrsi_1 insn): Deleted.
11913 (strmovhi, strmovqi expander): New expanders.
11914 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11915 * i386.c (x86_single_stringop): New global variable.
11916 * i386.h (x86_single_stringop): Declare.
11917 (TARGET_SINGLE_STRINGOP): New macro.
11919 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11921 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11922 integer vararg POSTINCREMENT before the destination of the jump
11923 for the hard fp case.
11924 (function_arg_pass_by_reference): Pass a copy of CUM to
11927 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11928 for CONSTANT_ADDRESS_P above while loop for subreg.
11930 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11932 * flow.c (propagate_block): When a prologue/epilogue insn
11933 is marked dead, unconditionally clear libcall_is_dead and
11934 insn_is_dead, and only dump rtl if warnings aren't being
11937 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11939 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11940 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11941 (FIXED_REGISTERS): Set dirflag as fixed.
11942 (CALL_USED_REGISTERS): Set dirflag as used.
11943 (REG_ALLOC_ORDER): Set dirflag as last one.
11944 (DIRFLAG_REG): New macro.
11945 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11946 (HI_REGISTER_NAMES): Add dirflag.
11947 (DEBUF_PRINT_REG): Handle dirflag.
11948 * i386.md (type attribute): New cld and str types.
11949 (length_opcode attribute): Set cld and str to 1.
11950 (memory attribute): Set str to unknown - it is not clear from the
11952 (pent_np function unit): Prefixed string operations takes 12 cycles
11953 minimally; cld takes 2 cycles.
11954 (ppro_uops attribute): Str is "many" and cld is "few".
11955 (ppro_p0 unit): Handle cld here.
11956 (k6_alux unit): Handle cld and str types.
11957 (k6_load unit): It is ocupied by str opcodes.
11958 (k6_store unit): It is ocupied by str opcodes.
11959 (athlon_decode): Str is vector decoded.
11960 (athlon_ieu): Handle str and cld.
11961 (cld pattern): New.
11962 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11963 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11964 cmpstrsi_nz_1 insn): Do not output cld instruction
11966 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11968 * gcc.texi (G++ and GCC): Add Java and Chill.
11969 (Bug Critera): Don't list languages.
11971 * gcc.texi (Incompatibilities): No longer claim most C compilers
11974 * gcc.texi (G++ and GCC): Update other front-ends list.
11976 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11978 * i386.c (ix86_expand_setcc): Fix typo.
11979 (ix86_expand_movcc): Similarly.
11981 * Band-aid until haifa's bitset implementation is nuked.
11982 * haifa-sched.c (extract_bitlst): New parameter for size of the
11983 bitset in bits. All callers changed. Avoid looking at undefined
11984 bits in the bitset.
11985 (edgeset_bitsize): New variable.
11986 (schedule_region): Initialize edgeset_bitsize.
11988 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11990 * Makefile.in (optabs.o): Depend on real.h
11991 (resource.o): Depend on insn-attr.h
11993 * builtins.c (result_vector): Wrap prototype in macro conditions
11994 governing definition and use.
11996 * c-common.c: Include tm_p.h.
11998 * c-lex.c: Likewise.
12000 * elfos.h: Constify a char*.
12002 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
12003 (get_attr_length, shorten_branches, profile_after_prologue): Mark
12004 parameter with ATTRIBUTE_UNUSED.
12006 * fold-const.c (exact_real_inverse): Wrap variable `i' in
12009 * haifa-sched.c (schedule_insns): Mark parameter with
12012 * optabs.c: Include real.h.
12014 * real.h (ereal_atof): Add prototype arguments.
12016 * resource.c: Include insn-attr.h.
12018 * sdbout.c (sdbout_queue_anonymous_type,
12019 sdbout_dequeue_anonymous_types): Wrap in macro
12020 SDB_ALLOW_FORWARD_REFERENCES.
12021 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
12024 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
12026 * stupid.c: Include tm_p.h.
12028 * tree.c (real_value_from_int_cst): Mark parameter with
12031 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12033 * i960-protos.h: New file.
12035 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
12038 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
12040 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12042 * combine.c (expand_field_assignment): Do not discard SUBREGs
12043 while computing nonzero_bits.
12045 2000-01-09 Nick Clifton <nickc@cygnus.com>
12047 * config/arm/arm.c: Fix compile time warnings about signed vs
12048 unsigned constants.
12049 * config/arm/arm.h: Fix compile time warnings about signed vs
12050 unsigned constants.
12052 2000-01-09 Philip Blundell <philb@gnu.org>
12054 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
12055 than `ldm' with only one register.
12056 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
12059 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
12062 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
12064 * config/ns32k/ns32k.md (load or push effective address): Operand 1
12067 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12069 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
12070 assignment used as truth value.
12072 * function.c (assign_temp): Mark parameter `dont_promote' with
12073 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
12074 PROMOTE_FOR_CALL_ONLY.
12076 * genrecog.c (write_subroutine): Mark variable `operands' with
12079 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
12082 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
12083 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
12085 * toplev.c (note_deferral_of_defined_inline_function): Likewise
12088 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12090 * config/c4x.h: Tidy up comments.
12091 * config/c4x.c: Likewise.
12093 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
12095 * fold-const.c (lshift_double, rshift_double): Handle
12096 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
12098 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12100 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
12101 in prepare_function_start().
12103 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
12105 * config/v850/v850.c (expand_epilogue): Interrupt functions no
12106 longer allocate extra stack for function calls.
12108 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12110 * config/c4x/c4x.md (*subqf3_set): Fix typo.
12112 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12114 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
12116 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12118 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12119 * aix43.h: Revert Aug 2 change.
12120 (HAS_INIT_SECTION): Define, not visible yet.
12121 (LD_INIT_SWITCH): Define, not visible yet.
12122 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12124 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
12126 * collect2.c (main): Expand ld2 size further.
12127 (export_object_lst): Cast assignment to avoid warning.
12128 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
12129 (scan_prog_file, COFF): Do not collect initialization or
12130 finalization functions generated for entire shared object if
12131 init/fini support present.
12133 2000-01-07 Nick Clifton <nickc@cygnus.com>
12135 * config/elfos.h: Tidy up formatting of marcos. Make sure
12136 that .section directives are always prefixed by a tab.
12138 * config/svr4.h: Add #include "elfos.h" and remove duplicate
12141 2000-01-07 Matt Austern <austern@sgi.com>
12143 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
12146 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
12148 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
12150 (crtbegin.o, s-crtS): Likewise.
12152 2000-01-06 Richard Henderson <rth@cygnus.com>
12154 * alpha.md (adddi_2+1): Limit offset such that it will be
12155 loadable with a single ldah+lda pair.
12156 (adddi_2+2): Explicitly fail split if we can't make it work.
12158 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
12160 * protoize.c: Conditionally include unistd.h.
12161 (IS_SAME_PATH_CHAR): New macro.
12162 (IS_SAME_PATH): New macro.
12163 (CPLUS_FILE_SUFFIX): New macro.
12164 (cplus_suffix): New static variable.
12165 (is_abspath): New static function.
12166 (in_system_include_dir): Handle DOS style pathnames.
12167 (file_could_be_converted): Likewise.
12168 (file_normally_convertible): Likewise.
12169 (directory_specified_p): Likewise.
12170 (file_excluded_p): Likewise.
12171 (abspath): Likewise.
12172 (shortpath): Likewise.
12173 (referenced_file_is_newer): Likewise.
12174 (save_def_or_dec): Likewise.
12175 (do_processing): Likewise.
12177 (edit_file): Likewise. Use rename instead of link.
12178 (rename_c_file): Likewise. Don't rename syscalls file.
12179 (munge_compile_params): Define null device for DOS based systems.
12180 (process_aux_info_file): Use binary mode if appliable.
12181 (edit_file): Likewise.
12182 * invoke.texi (Running Protoize): Document C++ suffixes used.
12184 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
12185 IS_DIR_SEPARATOR macros.
12186 * collect2.c: Likewise.
12187 * cppinit.c: Likewise.
12188 * dwarf2out.c: Likewise.
12190 * gcov.c: Likewise.
12191 * prefix.c: Likewise.
12193 * toplev.c: Likewise.
12194 * system.h: And move to here.
12196 * prefix.c (update_path): Fix typo in variable name.
12198 2000-01-06 Richard Henderson <rth@cygnus.com>
12200 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
12201 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
12202 (count_reg_sets_1, count_reg_references): Likewise.
12203 (flow_loops_level_compute): Start counting actual loop depth at 1.
12204 (flow_loops_find): Likewise.
12205 * local-alloc.c (update_equiv_regs): Likewise.
12206 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
12208 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12210 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12211 FIRST_PSEUDO_REGISTER
12212 * dwarf2out.c: Don't include frame.h
12213 * dwarfout.c: Likewise
12214 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12217 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12219 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12222 * i386.c (movsf splitter): Fix typo in my last checkin.
12224 2000-01-05 Nick Clifton <nickc@cygnus.com>
12226 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12227 own definition of this macro.
12228 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12229 flag_data_sections or UNIQUE_SECTION_P are true.
12231 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12232 unitialised data decls.
12234 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12235 being called for uninitialised data.
12237 * config/i386/interix.c (i386_pe_unique_section): Cope with
12238 being called for uninitialised data.
12240 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12241 for uninitialised data.
12243 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12244 for uninitialised data.
12246 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12247 for uninitialised data.
12249 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12250 (UNIQUE_SECTION_P): Always generate a unique section if
12251 flag_data_sections is true.
12252 (UNIQUE_SECTION): Also generate unique sections for
12253 uninitialised data.
12254 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12255 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12258 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12260 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12263 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12265 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12266 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12267 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12268 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12269 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12271 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12273 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12275 * c-decl.c (finish_enum): Simplify code to determine minimum and
12276 maximum values of the enum, and calculate the type. Remove check
12277 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12278 the DECL_INITIAL of each enumeration constant with a copy converted
12279 to the enumeration type. When updating variant types, don't bother
12280 updating the type itself.
12282 * c-typeck.c (build_binary_op): Simplify conditional expressions
12283 when weeding out spurious signed-unsigned warnings. Add new
12284 spurious warning category: if the unsigned quantity is an enum
12285 and its maximum value fits in signed_type(result_type). Update
12287 (build_conditional_expr): Warn here if one alternative is signed
12288 and the other is unsigned.
12290 2000-01-05 Nick Clifton <nickc@cygnus.com>
12292 * config/fr30/fr30.h: Remove extraneous comments.
12294 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12296 * reload1.c (choose_reload_regs): When disabling a reload, also
12297 set reload_spill_index to -1.
12299 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12301 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12303 (m68*-*-rtemself*): New target.
12304 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12305 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12306 (sparc*-*-rtemself*): New target.
12307 (sparc*-*-rtems*): Now elf not a.out.
12308 * config/i386/rtems.h: Include config/rtems.h.
12309 * config/i386/rtemself.h: Include config/rtems.h.
12310 * config/i960/rtems.h: Include config/rtems.h.
12311 * config/m68k/rtems.h: Include config/rtems.h.
12312 * config/m68k/rtemself.h: Include config/rtems.h.
12313 * config/mips/rtems64.h: Include config/rtems.h.
12314 * config/pa/rtems.h: Include config/rtems.h.
12315 * config/rs6000/rtems.h: Include config/rtems.h.
12316 * config/sh/rtems.h: Include config/rtems.h.
12317 * config/sh/rtemself.h: Include config/rtems.h.
12318 * config/sparc/rtems.h: Include config/rtems.h.
12319 * config/sparc/rtemself.h: Include config/rtems.h
12321 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12323 * final.c (shorten_branches): Correctly compute length of
12324 asms without operands.
12326 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12328 * configure.in: Add pj target.
12329 * configure: Regenerate.
12330 * config/pj: New directory.
12331 * config/pj/lib1funcs.S: New file.
12332 * config/pj/linux.h: New file.
12333 * config/pj/pj.c: New file.
12334 * config/pj/pj.md: New file.
12335 * config/pj/pjl.h: New file.
12336 * config/pj/t-pj: New file.
12337 * config/pj/xm-pj.h: New file
12339 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12341 * toplev.c (rest_of_compilation): Run shorten-branches before
12344 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12346 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12347 macros so that they're consistent with their names.
12348 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12349 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12351 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12353 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12354 modified inadvertently.
12356 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12358 * configure.in (v850*-*-rtems*): New target.
12359 * configure: Regenerate.
12360 * config/v850/rtems.h: New file.
12362 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12364 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12365 (__gthread_key_create): Likewise.
12366 (__gthread_key_dtor): Likewise.
12367 (__gthread_once): Fix logic.
12368 (__gthread_key_delete): Cast away constness.
12370 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12371 * invoke.texi: Document.
12372 * i386/mingw32.h (CPP_SPEC): Use.
12373 (LIBGCC_SPEC): Likewise.
12374 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12376 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12378 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12379 (HANDLE_PRAGMA_PACK): Undefine.
12380 (SLOW_UNALIGNED_ACCESS): Define.
12382 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12384 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12385 to default definition.
12386 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12387 (store_fixed_bit_field): Call macro with word_mode and alignment.
12388 (extract_bit_field): Call macro with relevant mode and alignment.
12389 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12390 to default definition.
12391 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12393 (move_by_pieces_ninsns): Likewise.
12394 (clear_by_pieces): Likewise.
12395 (emit_push_insn): Likewise.
12396 (store_field): Call macro with relevant mode and alignment.
12397 (expand_expr): Likewise.
12398 (expand_expr_unaligned): Likewise.
12400 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12401 (SLOW_UNALIGNED_ACCESS): Define.
12402 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12403 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12404 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12405 (toc_section): Likewise and .toc pseudo-op.
12406 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12408 (TEXT_SECTION_ASM_OP): Likewise.
12409 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12412 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12413 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12414 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12415 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12416 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12418 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12420 * regclass.c: Revert my Jan 4 change to loop cost computation.
12422 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12424 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12427 2000-01-04 Stan Cox <scox@cygnus.com>
12429 * haifa-sched.c (build_control_flow): Change unreachable simple
12430 loop test to check if current block has only one predecessor.
12431 (find_rgns): Initialize degree. Use dest as degree index, not src.
12433 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12435 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12437 * calls.c (expand_call): Likewise for
12438 `old_stack_arg_under_construction'.
12440 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12442 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12445 * gcc.c (execute): Likewise for `ut' and `st'.
12447 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12449 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12451 * jump.c (jump_optimize_1): Likewise for `temp2'.
12453 * local-alloc.c (block_alloc): Likewise for `r1'.
12455 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12457 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12458 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12460 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12463 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12464 and `goal_earlyclobber'.
12466 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12468 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12470 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12472 * unroll.c (copy_loop_body): Likewise for `copy'.
12474 * varasm.c (output_constructor): Likewise for `byte'.
12476 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12478 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12479 all FP constants for constant->reg moves.
12480 (ix86_split_to_parts): Try to convert memory address into immediate
12481 when available in the constant pool.
12482 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12484 (LEGITIMATE_CONSTANT_P): Return 1.
12485 * i386.md (pushsf): New splitter to convert constant pool memory
12486 reference to immediate.
12487 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12490 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12492 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12493 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12494 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12495 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12496 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12498 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12500 * ginclude/stdbool.h: Support compilation as C++.
12502 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12504 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12506 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12508 * regclass.c (regclass): Properly compute loop_cost. Adjust
12511 * regclass.c: Fix minor whitespace problems.
12513 2000-01-03 Anthony Green <green@cygnus.com>
12515 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12516 Restore the pic register if required.
12518 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12520 * c-common.c (format_char_info): Update comment.
12521 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12522 was recognized. Emit warning for formats new in ISO C99 only
12523 if flag_isoc9x is not set.
12525 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12527 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12529 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12531 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12532 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12533 (make_compound_operation): Choose cheaper alternative between
12534 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12536 * regclass.c (op_costs): Remove global variable.
12537 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12538 (record_operand_costs): Break out from ...
12539 (scan_one_insn): ... here.
12540 (dump_regclass): Make dumps nicer.
12541 (regclass): Dump preferrences choosed and changes done during passes.
12543 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12545 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12547 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12549 * config/sparc/sparc.c (gen_df_reg): New function.
12550 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12551 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12552 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12553 movtf_cc_reg_sp64+1): Use it.
12555 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12557 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12558 copied LABEL_DECLs.
12560 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12562 * config/i386/i386.c (ix86_expand_unary_operator): Function
12563 definition made void.
12564 (ix86_expand_binary_operator): Update outdated preceding comment.
12565 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12568 * config/i386/i386.c (override_options): Fix option-name typo.
12570 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12572 * system.h (CEIL): Define.
12573 * builtins.c (CEIL): Remove.
12574 * expmed.c (CEIL): Likewise.
12575 * expr.c (CEIL): Likewise.
12576 * stor-layout.c (CEIL): Likewise.
12578 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12580 * expr.c (store_constructor_field): Fix typo introduced with last
12583 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12585 * tree.h (BINFO_N_BASETYPES): New macro.
12587 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12589 * expmed.c (emit_store_flag): Prevent losing a pending stack
12590 adjust the same way we prevent losing queued increments.
12592 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12594 * function.c (update_temp_slot_address): Handle case where sum of
12595 temporary address plus offset in register is a valid address.
12597 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12599 * genrecog.c (change_state) Corrected typo.
12601 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12603 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12604 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12605 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12607 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12609 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12610 case, expand GT comparisons correctly. Fix a comment before this
12613 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12615 * dwarfout.c: Include "frame.h"
12616 * dwarf2out.c: Likewise.
12617 * Makefile.in (dwarfout.o): Depend on frame.h
12618 (dwarf2out.o): Likewise.
12620 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12622 Restore i386 binary compatibility in Dwarf EH info.
12623 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12624 value of FIRST_PSEUDO_REGISTER.
12625 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12626 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12627 * dwarfout.c (output_reg_number): Ditto.
12628 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12629 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12631 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12633 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12634 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12635 (<hack>_RE_CT): not needed
12636 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12637 rewritten to scan the file text once only
12638 "template<..." test added
12639 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12640 (is_cxx_header): declaration added
12641 * fixinc/fixtests.c(is_cxx_header): removed
12642 (apply_fix_p_t): removed
12643 (double_slash_test): is_cxx_header is only called once now
12644 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12645 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12646 within the templates.
12647 The borken spelling of "broken" was fixed.
12648 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12649 The default level depends on FIXINC_DEBUG.
12651 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12653 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12654 Otherwise provide a declaration for atexit.
12655 (init_dummy): Make sure dummy call to atexit is nevertheless
12656 called with correct number of args.
12658 * frame.c: Update comments referring to other files.
12660 * libgcc2.c: Likewise.
12662 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12664 * cse.c (free_element, get_element): Remove unused prototypes.
12666 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12669 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12672 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12674 * configure.in,configure: case arm for mn10200-*-* now sets
12675 float_format=i32 so that float.h will correctly claim "double"
12676 to be 32 bits. Ran autoconf to generate configure from .in file.
12678 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12680 * pa.md (conditional zero): If op1 is a register, force it into
12681 the same register as op0.
12683 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12685 * tree.h (BINFO_BASETYPES): Improve documentation.
12687 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12689 * configure.in (--enable-checking): Use a more portable `for'
12692 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12694 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12695 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12697 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12700 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12701 Delete descriptions.
12703 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12704 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12705 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12706 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12707 xm-svr4.h: Remove all instances of sys_siglist handling.
12709 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12711 * config/sparc/sparc.md (cmp_zero_qi,
12712 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12713 cmp_zero_extendqidi2_andcc_set): New patterns.
12715 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12717 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12718 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12719 (fpgnulib.c, xfgnulib.c): Add rules.
12720 * m68k/t-mot3300-gas: Likewise.
12722 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12724 * configure.in: Avoid [[ by using test and changequote. Add
12725 changequote required by 1999-12-14 change.
12726 * configure: Rebuild.
12728 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12730 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12732 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12734 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12735 * flow.c (find_use_as_address): Likewise.
12736 * function.c (fixup_var_refs_1): Likewise.
12737 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12738 * jump.c (invert_exp, redirect_exp): Likewise.
12739 * loop.c (replace_call_address): Likewise.
12740 (count_nonfixed_reads): Likewise.
12741 * rtlanal.c (modified_between_p): Likewise.
12742 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12743 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12744 * unroll.c (remap_split_bivs): Likewise.
12746 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12748 * diagnostic.c (v_message_with_decl): Use .* format specifier
12749 instead of building the format specifier width manually.
12751 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12752 determining whether to provide a prototype. Remove the
12753 sys_siglist clause in the conditional.
12755 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12757 * fold-const.c (operand_equal_p): Use memcmp to compare string
12759 Suggested by D. J. Bernstein
12761 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12763 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12764 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12766 * config/mips/mips.h (TARGET_64BIT): Likewise.
12767 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12768 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12769 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12770 dsps. Give routines proper names if SI/DI modes are not used.
12771 * longlong.h: Use DWunion instead of DIunion.
12773 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12775 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12776 GC_CHECKING, GC_ALWAYS_COLLECT.
12777 * configure.in: Allow --enable-checking with an argument
12778 listing check modes to enable.
12779 * config.in, configure: Rebuilt.
12780 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12781 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12782 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12783 ENABLE_GC_ALWAYS_COLLECT.
12784 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12786 * tree.h, tree.c: Change ENABLE_CHECKING to
12787 ENABLE_TREE_CHECKING throughout.
12789 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12791 * fold-const.c (fold_truthop): Properly check for FP RHS.
12793 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12795 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12796 * toplev.c (note_deferral_of_defined_inline_function): New
12797 function, split out from ...
12798 (rest_of_compilation): ... here. Use it.
12800 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12802 * expr.c (store_constructor): Don't call clear_storage if size is
12805 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12807 * Makefile.in (toplev.o): Depend on loop.h.
12809 * dwarfout.c: Include tm_p.h.
12811 * emit-rtl.c (restore_emit_status): Mark parameter with
12814 * final.c (final_scan_insn): Likewise.
12816 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12817 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12818 flow_depth_first_order_compute, flow_loop_pre_header_find,
12819 flow_loop_tree_node_add, flow_loops_tree_build,
12820 flow_loop_level_compute, flow_loops_level_compute,
12821 flow_loop_outside_edge_p): Add prototypes.
12822 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12824 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12825 Mark with ATTRIBUTE_NORETURN.
12827 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12829 * local-alloc.c (no_conflict_p): Likewise.
12831 * loop.c (insert_bct): Hide definitions of variables with hidden
12833 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12835 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12836 with ATTRIBUTE_UNUSED.
12837 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12838 (reg_scan): Likewise.
12840 * reload.c (find_reloads): Remove unused variables `changed'.
12842 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12844 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12845 Remove unused variable `insn'.
12847 * toplev.c: Include loop.h.
12848 (report_file_and_line): Remove unnecessary prototype.
12850 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12852 * unroll.c (biv_total_increment): Likewise.
12854 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12856 * reload1.c (emit_input_reload_insns): Restore old behaviour
12857 wrt. 'special' reloads.
12859 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12861 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12862 hash.h. (cse.c): Don't depend on hashtab.h.
12864 * cse.c: Don't include hashtab.h.
12865 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12867 * ggc-simple.c: Don't include hash.h.
12869 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12871 * dwarf2out.c (add_abstract_origin_attribute): Call
12872 gen_abstract_function on our function context.
12874 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12876 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12878 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12880 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12883 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12885 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12886 constraints to "a!r".
12888 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12890 * Makefile.in (calls.o): Depend on function.h.
12891 (alias.o): Likewise.
12893 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12895 * reload1.c (emit_reload_insns): Break out code and variables into...
12896 (input_reload_insns, other_input_address_reload_insns,
12897 other_input_reload_insns, input_address_reload_insns,
12898 inpaddr_address_reload_insns, output_reload_insns,
12899 output_address_reload_insns, outaddr_address_reload_insns,
12900 operand_reload_insns, other_operand_reload_insns,
12901 other_output_reload_insns): ... new static variables, and...
12902 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12903 do_output_reload): ... new functions.
12905 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12907 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12909 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12911 * md.texi: Add c4x constraints documentation.
12913 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12915 * config/i386/dgux.c (struct option): Rename to
12916 lang_independent_option.
12917 (struct m_options): Add description field.
12918 (output_options): Rename option type, add sep declaration, output
12919 ix86_cpu_string and ix86_arch_string only if set.
12920 (output_file_start): Rename option type.
12922 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12924 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12926 (libgcc2.a): Similarly.
12928 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12930 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12931 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12932 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12934 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12936 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12937 Remove redundant initialization of "frexpon" and "expon".
12939 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12941 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12943 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12944 (store_constructor_field, expand_expr): Pass new arg.
12946 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12948 * Makefile.in (explow.o): Depend on function.h.
12950 * stor-layout.c (set_sizetype): Fix typo.
12952 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12954 * function.c (cfun): Renamed from current_function. All users
12956 * function.h (cfun): Rename declaration as well.
12958 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12959 to be of type regset_head, not regset. All users changed by adding
12961 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12963 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12965 * config/c4x/rtems.h: New file.
12967 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12969 * reload1.c (spill_failure): Take class of failed reload as argument
12970 and print it. Caller changed.
12972 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12974 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12975 (TARGET_SWITCHES): Allow subtargets to default switches.
12976 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12978 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12980 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12983 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12985 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12986 * cppinit.c (cpp_handle_option): Likewise.
12988 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12989 determine when to define.
12991 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12993 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12994 cmove with mismatched test and data modes.
12996 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12998 * c-typeck.c (c_expand_start_case): Don't warn for long switch
13001 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13003 * alias.c: Minor reformatting.
13004 * flow.c: Likewise.
13005 * regs.h: Likewise.
13006 * stor-layout.c: Likewise.
13007 * fold-const.c: Likewise.
13008 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
13009 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
13011 (size_int_wide): Cache nodes even if garbage collecting.
13012 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
13013 of SAVE_EXPR has no side effects.
13014 * cse.c: Move a comment.
13015 * tree.c: Minor reformatting.
13016 (int_size_in_bytes): Return -1 if constant overflows.
13018 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13020 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
13022 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
13024 * objc/objc-parse.c: Regenerate. This file must be rebuilt
13025 after any change to c-parse.in, even if objc-parse.y didn't
13028 1999-12-18 David S. Miller <davem@redhat.com>
13030 * toplev.c (rest_of_compilation): Restore BLOCK tree
13031 reconstruction and branch shortening changes lost in
13032 December 18th change.
13034 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
13036 * config/arm/linux-elf.h: Change all instances of
13037 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
13038 * config/arm/uclinux-elf.h: Likewise.
13040 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
13042 * toplev.c (notice, vmessage, v_message_with_file_and_line,
13043 v_message_with_decl, file_and_line_for_asm,
13044 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
13045 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
13046 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
13047 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
13048 pfatal_with_name, fatal_io_error, need_error_newline,
13049 last_error_function, last_error_tick, announce_function,
13050 default_print_error_function, print_error_function,
13051 report_error_function, fnotice, error_with_file_and_line,
13052 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
13053 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
13054 warning_with_decl, warning_for_asm, warning, pedwarn,
13055 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
13057 (compile_file): Use fnotice instead of notice. Adjust call.
13059 * diagnostic.c: New file.
13061 * Makefile.in (OBJS): Include diagnostic.o
13062 (diagnostic.o): Define dependence.
13064 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13066 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
13069 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13071 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
13073 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13075 * fixtests.c (is_cxx_header): New fn, split out of
13077 (else_endif_label): Allow "#endif // comment" in C++ headers,
13078 as determined by is_cxx_header.
13079 * fixfixes.c (else_endif_label_fix): Update comment.
13080 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
13082 * genfixes: Correct double thinko in commandline parsing.
13083 * hackshell.tpl: Generate correct sh syntax for bypass
13086 * inclhack.def (all): Whenever an inserted preprocessor
13087 conditional is split over multiple lines, use double
13088 backslashes in this file so the fixed header will be readable.
13090 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
13091 and add bypass entry for correct version of this header.
13092 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
13093 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
13095 (hpux8_bogus_inlines): New fix, split from...
13096 (ultrix_atof_param) ... here.
13097 (math_expression): Add bypass entry keyed to glibc comment
13098 indicating the problem has been dealt with; disable
13099 unnecessary sed operations; update commentary.
13100 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
13101 add select and bypass entries, simplify shell operation.
13102 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
13104 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
13105 ultrix_atof_param): Add select entry.
13106 (stdio_va_list, sunos_mather_decl): Add bypass entry.
13107 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
13108 comments with the fixes they describe.
13110 * c-parse.in (string action): Do not warn about ANSI string
13111 concatenation in system headers. Affects C parser only.
13112 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
13114 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13116 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
13117 compiling libgcc2 the macro depends always on arch cpp defines.
13119 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
13121 * loop.c (insert_loop_mem): Don't record MEMs from inside
13124 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
13126 * regclass.c (regclass): Do not use flowgraph when not optimizing.
13128 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
13129 notes too, create one when replacement failed, attempt to simplify
13131 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
13132 or REG_EQUIV notes.
13134 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13136 * crtstuff.c (__dso_handle): Declare.
13137 (__cxa_finalize): Likewise.
13138 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
13141 * invoke.texi: Document -fuse-cxa-atexit.
13143 * tree.h (ptr_type_node): Document.
13144 (const_ptr_type_node): Likewise.
13146 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13148 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
13149 (optimize_reg_copy_2): Likewise.
13150 (optimize_reg_copy_3): Likewise.
13151 (fixup_match_2): Likewise.
13152 (regmove_optimize): Likewise.
13153 (fixup_match_1): Liekwise.
13155 * i386.md (HI to SImode promoting splitters): Rewrite.
13156 (pushsf mem peep2): New.
13157 (testhi to andhi peep2): Remove.
13158 * i386.h (x86_promote_QImode): New.
13159 (TARGET_PROMOTE_QImode): New.
13160 (PREDICATE_CODES): Add promotable_binary_operator.
13161 * i386.c (x86_promote_QImode0: New.
13162 (promotable_binary_operator): New.
13163 * i386-protos.h (promotable_binary_operator): New.
13165 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
13167 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
13169 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13171 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
13172 * function.c (insert_block_after_note): Remove.
13173 (retrofit_block): Likewise.
13174 (identify_blocks): Fix indentation.
13175 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
13176 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
13177 * function.h (insert_block_after_note): Remove prototype.
13178 (retrofit_block): Likewise.
13179 * integrate.c (expand_inline_function): Don't call
13180 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
13181 just expand_start_bindings. Use the block_map to remap old
13182 NOTE_BLOCKs to new ones.
13183 (integrate_decl_tree): Keep track of remapped blocks.
13184 * integrate.h (struct inline_remap): Add block_map.
13185 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
13186 NOTE_BLOCK on the notes.
13187 (expand_start_bindings): Rename to ...
13188 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
13189 (expand_end_bindings): Set NOTE_BLOCK.
13190 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
13191 reconstruct the BLOCK tree.
13192 * tree.h (expand_start_bindings): Macroize. Call ...
13193 (expand_start_bindings_and_block): New function.
13195 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13197 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
13198 to match the format.
13200 1999-12-16 David S. Miller <davem@redhat.com>
13202 * expr.c (emit_move_insn_1): Only emit clobbers if one of
13203 the outputs is a SUBREG.
13204 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
13207 * config/sparc/sparc.c (epilogue_renumber): Add default case
13210 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13212 * toplev.c (rest_of_compilation): Run branch shortening after
13215 * regclass.c (loop_depth): Remove
13216 (scan_one_insn): Do not handle LOOP_NOTE insns.
13217 (regclass): Go through basic blocks and set loop_cost
13219 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13221 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13223 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13225 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13226 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13227 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13229 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13231 * loop.c (insert_loop_mem): Ignore memory clobbers.
13233 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13236 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13238 * profile.c: Remove redundant #include "output.h".
13240 * h8300.md (HImode preinc peephole): Fix typo.
13242 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13244 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13245 (insert_block_after_note): Abort if we don't have a previous block.
13246 Remove FN parameter.
13247 * function.h: Adjust.
13249 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13251 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13252 argument more than once.
13254 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13256 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13258 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13260 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13262 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13264 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13265 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13266 update stack_alignment_needed.
13267 (prepare_function_start): Initialize stack_alignment_needed
13268 * function.h (struct function): Add field stack_alignment_needed.
13270 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13272 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13273 Handle live_throughout / dead_or_set instead of live_before /
13275 (save_call_clobbered_regs): Get register livenessinformation from
13276 chain->live_throughout.
13277 (add_stored_regs): New function.
13278 (insert_restore, insert_save): Add restored / saved registers to
13280 * global.c (reg_dies): New parameter chain.
13281 (reg_becomes_live): Third parameter is regs_set now.
13282 Changed all callers.
13283 (reg_dies): New parameter chain. Changed all callers.
13284 (build_insn_chain): Set live_throughout instead of
13285 live_before / live_after.
13286 * reload.h (struct insn_chain): Replace members live_before /
13287 live_after with live_throughout / dead_or_set.
13288 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13289 instead of live_before / live_after.
13290 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13291 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13292 (choose_reload_regs_init): Likewise.
13293 * stupid.c (current_chain, find_clobbered_regs): Delete.
13294 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13295 instead of chain->live_before / chain->live_after.
13296 (mark_hard_ref): New function.
13297 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13299 1999-12-15 David S. Miller <davem@redhat.com>
13301 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13303 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13305 * flow.c (calculate_loop_depth): Make global, remove prototype,
13306 rewrite to use new loop infrastructure.
13307 (find_basic_block): Remove calculate_loop_depth call.
13308 * toplev.c (rest_of_compilation): Call find_basic_block.
13309 * output.h (calculate_loop_depth): Declare.
13311 * flow.c (dump_flow_info): Dump loop_depth.
13312 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13314 (flow_loops_find): Initialize the loop_depth for each basic block.
13316 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13318 * tree.c (decl_function_context): Handle virtual functions.
13320 * tlink.c (scan_linker_output): Don't look in demangled name when
13321 looking for linker output keywords.
13323 * dwarfout.c (output_type): We can defer namespace-scope classes.
13325 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13327 * regclass.c (record_reg_classes): Update comment for merging
13328 register class preferences in reg->reg copies. Tighten conditions
13329 for merging register class preferences in reg->reg copies.
13331 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13333 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13335 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13337 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13338 (INIT_SECTION_ASM_OP): Delete.
13339 (FINI_SECTION_ASM_OP): Delete.
13340 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13342 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13344 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13345 the abstract origin wasn't emitted.
13347 * dwarf2out.c (class_scope_p): New fn.
13348 (gen_subprogram_die): Use it.
13349 (gen_variable_die): Use it. Tweak logic.
13350 (gen_struct_or_union_type_die): Check context_die to determine
13351 if we're function-local.
13352 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13354 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13356 * loop.c (check_dbra_loop): Can't reverse a biv that has
13357 maybe_multiple set.
13359 1999-12-14 Nick Clifton <nickc@cygnus.com>
13361 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13364 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13366 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13367 for givs made from biv increments.
13369 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13371 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13372 * alpha.c (override_options): Recognize -mcpu=ev67.
13373 * alpha.h (CPP_CPU_EV67_SPEC): New.
13374 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13375 (EXTRA_SPECS): Update.
13377 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13379 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13380 appropriate for -lang-c89 and -std=*.
13381 * cppinit.c (cpp_handle_option): Likewise.
13382 (new_pending_define): New, split out from cpp_handle_option.
13383 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13384 or enable trigraphs for -ansi/-std=*.
13386 * ginclude/stdarg.h (__va_copy): New.
13387 (va_copy): Don't define for C89.
13389 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13391 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13392 for long long multiply-accumulate.
13394 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13396 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13397 optimizing for size.
13399 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13401 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13402 if something changed. Back out that part of yesterday's changes.
13404 * loop.c (loop_max_reg): New static variable.
13405 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13407 (scan_loop): Call reg_scan_update whenever we may have added new
13408 registers, and update loop_max_reg.
13410 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13412 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13413 when source does not die.
13415 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13417 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13419 * config/sparc/linux64.h (TARGET_LIVE_G0,
13420 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13422 * config/sparc/linux.h (TARGET_LIVE_G0,
13423 TARGET_BROKEN_SAVERESTORE): Likewise.
13424 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13425 TARGET_BROKEN_SAVERESTORE): Likewise.
13427 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13428 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13430 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13431 as sparc64 block profiling register.
13432 * config/sparc/sparc.c (sparc_override_options): Allow block
13433 profiling with -m32.
13434 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13435 profiling register.
13436 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13437 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13438 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13440 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13442 * config/sparc/sparc.h: Likewise.
13443 * config/sparc/xm-sysv4-64.h: Likewise.
13444 * config/float-sparc.h: Likewise.
13445 * glimits.h: Likewise.
13446 * longlong.h: Likewise.
13448 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13449 (ASM_IDENTIFY_GCC): Remove.
13451 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13453 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13454 (simplify_logical): Likewise.
13456 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13458 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13459 * cppfiles.c (INO_T_EQ): Likewise.
13461 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13463 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13464 * i386/mingw32.h (LIB_SPEC): Likewise.
13465 (STARTFILE_SPEC): Likewise.
13466 * i386/uwin.h (LIB_SPEC): Likewise.
13467 (STARTFILE_SPEC): Likewise.
13469 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13470 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13472 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13474 * combine.c (combine_simplify_rtx): Fix order of checks for
13475 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13477 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13479 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13480 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13482 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13484 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13486 * regclass.c (inv_reg_alloc_order): New array.
13487 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13489 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13490 counted_for_groups, counted_for_nongroups. Add fields rld and
13492 * reload.c (push_secondary_reload): Don't set nongroup field of
13494 (push_reload): Likewise.
13495 (find_reloads): Delete code to compute nongroup fields.
13496 * reload1.c (reload_insn_firstobj): New static variable.
13497 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13499 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13500 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13501 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13503 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13505 (struct hard_reg_n_uses): Deleted.
13506 (potential_reload_regs): Deleted.
13507 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13508 (reload): Don't try to allocate reload registers if we already know
13509 we have to make another pass. Call select_reload_regs. Free memory
13510 starting with reload_firstobj when starting another pass.
13511 Don't allocate spilled_pseudos.
13512 (calculate_needs_all_insns): Call copy_reloads for an insn that
13513 needs reloads; don't call calculate_needs.
13514 (spill_cost): New static array.
13515 (used_spill_regs_local): New static variable.
13516 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13517 to compute potential_reload_regs.
13518 (find_reload_regs): Completely rewritten to use find_reg.
13519 (allocate_reload_reg): Don't test counted_for_groups or
13520 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13521 all cllers changed.
13522 (choose_reload_regs): Add fallback code that uses the existing
13523 register allocation from find_reload_regs.
13525 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13527 * flow.c (create_edge_list): Cast xmalloc return value.
13529 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13531 * doprnt.c: Remove incorrect comment closure.
13533 * cse.c: Fix a few minor whitespace goofs.
13535 1999-12-13 Don Bowman <don@pixstream.com>
13537 * mips/vxworks.h: Fix problem with comment termination.
13538 (EXTRA_SECTIONS): Add in_sbss.
13539 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13541 1999-12-12 David S. Miller <davem@redhat.com>
13543 * cse.c (struct cse_reg_info): Add hash_next member,
13544 reorder rest of struct for better packing on 64-bit
13546 (cse_reg_info_tree): Kill.
13547 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13548 REGHASH_FN): New custom pow2 hash mechanism.
13550 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13551 use a pow2 hash table.
13552 (get_cse_reg_info): Rework to use new REGHASH.
13553 (new_basic_block): Likewise, use HASH_SIZE, and inline
13555 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13556 and inline free_element call.
13557 (lookup_as_function, insert, flush_hash_table, invalidate,
13558 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13559 invalidate_for_call, use_related_value, find_comparison_args,
13560 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13561 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13562 get_element): Kill.
13564 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13566 * cse.c (cse_basic_block): Free qty_table consistently.
13568 1999-12-12 David S. Miller <davem@redhat.com>
13569 Jakub Jelinek <jakub@redhat.com>
13571 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13572 SUBREGs by hand, gen the appropriate hard reg directly.
13573 (movtf reg/mem split): Likewise and alter_subreg on destination
13575 (movtf mem/reg split): Similarly.
13576 (movdf_cc_sp64): Rename from hidden pattern.
13577 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13578 (movtf_cc_sp64, following split): New pattern and splitter.
13579 (movdf_cc_reg_sp64): Rename from hidden pattern.
13580 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13582 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13584 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13586 * loop.c (load_mems): Don't hoist written floating point mem
13589 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13591 * except.h (struct eh_queue): Add `next' pointer.
13592 (struct eh_status): Make x_ehqueue a pointer.
13593 (push_ehqueue): Declare.
13594 (pop_ehqueue): Likewise.
13595 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13597 (expand_fixup_region_end): Likewise.
13598 (expand_leftover_cleanups): Likewise.
13599 (push_ehqueue): Define.
13600 (pop_ehqueue): Likewise.
13601 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13602 than doing it inline.
13603 (expand_start_all_catch): Adjust now that ehqueue is a
13605 (mark_eh_queue): Mark all level of the queue.
13606 (mark_eh_status): Adjust now that ehqueue is a
13608 (init_eh_for_function): Allocate ehqueue.
13609 (free_eh_status): Free it.
13610 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13611 expansion for a fixup.
13613 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13615 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13617 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13618 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13619 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13620 function_ptr, getpagesize, __enable_execute_stack,
13621 __enable_execute_stack, __clear_insn_cache,
13622 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13623 _cleanup, _exit, __default_terminate, __terminate_func,
13624 __terminate, __empty, __throw, new_eh_context,
13625 eh_context_initialize, eh_context_static, eh_context_specific,
13626 get_eh_context, __get_eh_context, __get_eh_info,
13627 init_reg_size_table, eh_threads_initialize,
13628 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13629 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13630 __pure_virtual): Add prototype arguments.
13631 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13632 Cast a signed value to unsigned long when comparing against one.
13633 (new_eh_context): Wrap in _GTHREADS macro.
13634 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13636 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13637 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13639 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13641 * combine.c (record_promoted_value): Remove unused variable
13644 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13646 * global.c (record_conflicts): Likewise for `j'.
13648 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13651 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13653 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13654 output_fp_compare): Constify a char*.
13656 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13658 (override_options, ix86_comp_type_attributes, print_operand,
13659 output_387_binary_op, output_fix_trunc, output_fp_compare):
13661 (ix86_sched_reorder): Mark parameter `clock_var' with
13664 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13666 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13668 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13669 operand, for use in the Java front-end.
13671 1999-12-10 Ben Collins <bcollins@debian.org>
13673 * configure.in: Fix typo for "-64" in 64bit as check.
13674 * configure: Rebuilt.
13676 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13678 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13681 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13683 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13684 concatenation is utilized.
13686 * invoke.texi (-Wtraditional): Document it.
13688 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13690 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13691 Cast a ptrdiff_t to long and pass it to printf with %ld.
13693 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13695 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13696 68881, we have no 68881 registers at all.
13697 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13698 value in a 68881 register if it is available.
13700 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13702 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13703 for long long multiply-accumulate.
13705 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13707 * loop.c (insert_loop_mem): Undo last change.
13709 1999-12-10 David S. Miller <davem@redhat.com>
13711 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13713 * config/sparc/sparc-protos.h: Add them.
13714 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13715 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13716 constraints which use those helpers.
13717 (EXTRA_CONSTRAINT): Use this new macro.
13718 * md.texi: Update sparc target constraints documentation.
13719 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13720 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13721 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13722 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13723 (movsf high/lo_sum split): Rework for new patterns.
13724 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13726 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13728 * c-common.c (c_common_nodes_and_builtins):
13729 Create __builtin_ptrdiff_t and __builtin_size_t.
13731 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13733 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13735 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13737 * regclass.c (globalize_reg): Re-instate test that allows
13738 fixed registers to be declared as a variable even after functions
13741 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13743 * i386.md (cpu attribute): Add "athlon".
13744 (athlon_decode): New attribute.
13745 (Athlon scheduling units definitions): New.
13746 (fcmp and shld patterns): Set athlon_decode to "vector".
13747 * i386.c (athlon_cost): New.
13749 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13750 x86_use_sahf): Set for Athlon.
13751 (x86_use_fiop): Unset for Athlon.
13752 (override_options): Define Athlon alignments and "athlon" name.
13753 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13754 * i386.h (TARGET_ATHLON): New.
13755 (enum processor_type): Add PROCESSOR_ATHLON.
13756 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13758 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13760 1999-12-09 Andreas Jaeger <aj@suse.de>
13762 * loop.c (record_biv): Declare parameter as int.
13764 * config/i386/i386-protos.h: Declare long_memory_operand.
13766 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13768 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13769 EXPR_WITH_FILE_LOCATION.
13771 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13773 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13776 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13778 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13781 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13783 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13784 default on linux64 again.
13785 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13786 models for multilibing.
13787 * genmultilib: Accept | as alternative separator within a set in
13790 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13792 * calls.c (precompute_arguments): Make sure initial_value contains
13793 value pseudo which CSE expects.
13794 * cse.c (struct set): New entry orig_src.
13795 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13798 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13800 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13802 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13804 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13806 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13808 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13809 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13811 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13814 * longlong.h: Merge in changes from glibc.
13815 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13816 -mno-app-regs libgcc can be compiled.
13817 * libgcc2.c: Add defines so that the updated longlong.h
13818 can be used in libgcc2.a. Also, make sure on most architectures
13819 (at least on all which have optimized code in longlong.h defined
13820 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13822 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13824 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13825 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13826 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13828 * configure: Rebuilt.
13830 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13832 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13833 outputs require a register.
13835 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13837 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13838 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13839 functions like dptoul will be resolved.
13840 (libgcc2.a): Make sure that the object files from DPBIT are named
13841 differently (prefix `_dp') from those that would be coming from
13844 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13846 * configure.in: When target is sparc* and tm_file contains 64,
13847 test for 64bit support in assembler. If not supported, remove
13848 sparc/t-sol2-64 from target-dependent Makefile fragments.
13849 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13850 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13851 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13852 * acconfig.h (AS_SPARC64_FLAG): Added.
13853 * configure, config.in: Rebuilt.
13854 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13855 support. Use AS_SPARC64_FLAG.
13857 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13859 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13860 suitable for holding OFmode values so that gcc works with complex
13862 (hard_64bit_mode_classes): Likewise.
13864 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13865 so that it is actually matched.
13866 (sethi_di_medlow): Likewise.
13868 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13869 as legitimate constant if -mvis.
13870 * config/sparc/sparc.md (movtf): Likewise.
13871 (clear_sf): Use const_double_operand.
13872 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13874 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13875 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13876 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13877 routines, _Qp_* cannot be handled like that now.
13878 (INIT_TARGET_OPTABS): Likewise.
13879 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13880 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13881 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13882 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13883 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13884 divtf3, sqrttf3): New expanders.
13885 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13886 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13887 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13890 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13891 * configure: Rebuilt.
13892 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13893 -mcpu is given and we're doing 64bit compiles.
13895 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13897 * loop.h (struct induction): Add multi_insn_incr.
13898 * loop.c (basic_induction_var): New multi_insn_incr argument.
13899 Set it if we search back through previous insns for the biv.
13900 (record_biv): New multi_insn_incr argument; fill in struct induction.
13901 (strength_reduce): Discard an iv with multiple bivs, any of
13902 which require multiple insns to increment.
13904 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13906 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13909 1999-12-06 David S. Miller <davem@redhat.com>
13911 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13912 PROMOTE_FUNCTION_RETURN.
13914 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13916 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13917 and handle REG_UNUSED note on insn.
13919 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13920 inner_mask instead of mask.
13922 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13924 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13925 zero if there was an error.
13927 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13929 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13932 * longlong.h: Fix clobbers in SPARC asm statements.
13934 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13935 valid sethi operations when TARGET_ARCH64.
13937 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13938 always use move_by_pieces to avoid infinite recursion.
13939 (restore_fixed_argument_area): Likewise.
13941 * combine.c (check_promoted_subreg, record_promoted_value): New
13943 (combine_instructions): Use them to retain nonzero and sign bit
13944 information after SUBREGs are eliminated by optimizations in
13945 this pass if PROMOTE_FUNCTION_RETURN.
13947 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13948 .register declaration. Don't use variables with __ prefixes.
13950 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13952 * fold-const.c (optimize_bit_field_compare): Only use one mode
13953 for both RHS and LHS in non-constant case.
13955 1999-12-06 Nathan Sidwell <nathan@acm.org>
13957 * frame.c (start_fde_sort): Only allocate erratic array, if
13958 linear one was allocated. Return allocated flag.
13959 (fde_insert): Only insert, if there's a valid array.
13960 (fde_end_sort): Split, sort and merge if linear and erratic
13961 arrays exist, else just sort linear one.
13962 (search_fdes): New function. Linear search through original fde
13964 (frame_init): Permit multiple initializations. Cope with
13966 (find_fde): Fallback on linear search, if failed to sort array.
13967 (__deregister_frame_info): Only free sorted array, if we
13970 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13972 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13974 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13976 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13978 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13980 * tree.h (special_function_p): Declare.
13981 * calls.c (special_function_p): Make it global. Don't take `name'
13982 as a parameter. Fix typo in 1999-11-28 change.
13983 (expand_cal): Adjust.
13985 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13987 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13988 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13989 EXPR_WFL_FILENAME_NODE.
13990 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13992 * print-tree.c (print_note): Print TREE_PRIVATE and
13995 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13996 the original die cannot be found.
13998 * varray.h (varray_head_tag): Add elements_used.
13999 (VARRAY_PUSH): New macro.
14000 (VARRAY_POP): Likewise.
14001 (VARRAY_TOP): Likewise.
14002 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
14004 * varray.c (varray_init): Initialize elements_used.
14005 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
14006 (INTEGRATE_H): New variable.
14007 (integrate.o): Depend on INTEGRATE_H.
14008 (unroll.o): Likewise.
14010 * function.h (insert_block_after_note): Declare.
14011 * function.c (insert_block_after_note): Split out from ...
14012 (retrofit_block): ... here.
14014 * stmt.c (expand_fixup): Fix typo in comment.
14016 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14018 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
14019 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
14020 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
14021 (regmove_optimize, fixup_match_1): Likewise.
14023 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14025 * flow.c (flow_loops_dump): Add missing argument when calling
14026 flow_loop_nested_p.
14028 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
14029 Greg McGary <gkm@gnu.org>
14031 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
14032 (init_attributes): Add A_NO_LIMIT_STACK.
14033 (decl_attributes): Handle A_NO_LIMIT_STACK.
14034 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
14035 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14036 Handle stack bounds checking.
14037 * flags.h (flag_stack_check): Use the word 'probe' rather than
14038 'check', because the flag doesn't actually cause any checking to
14040 * function.c (expand_function_start): Set
14041 current_function_limit_stack.
14042 * function.h (struct function): Add limit_stack.
14043 (current_function_limit_stack): Define.
14044 * invoke.texi (Code Gen Options): Document new options.
14045 * rtl.h: Declare stack_limit_rtx.
14046 * toplev.c (stack_limit_rtx): New variable.
14047 (decode_f_option): Handle new options -fstack-limit-register=REG,
14048 -fstack-limit-symbol=IDENT, -fno-stack-limit.
14049 (main): Add stack_limit_rtx as GC root.
14050 * tree.h (DECL_NO_LIMIT_STACK): New macro.
14051 (struct tree_decl): New member no_limit_stack.
14053 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
14055 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
14056 (conditional_trap+1): Get new mnemonic correct.
14057 (conditional_trap+2): New pattern for DImode traps.
14059 * config/m68k/m68k.c (output_function_prologue): Handle
14061 * config/m68k/m68k.md (trap): New insn.
14062 (conditional_trap): New insn.
14063 * md.texi (Standard Names): Document `trap' and
14064 `conditional_trap'.
14065 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
14066 so a cc0 setter doesn't get emitted at some random place in the
14069 * config/i960/i960.md (trap): New insn.
14070 (conditional_trap): New expander.
14071 (conditional_trap+1, conditional_trap+2): New insns for signed
14072 and unsigned cases.
14073 * config/i960/i960.c (i960_function_prologue): Use
14074 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
14076 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
14077 Geoffrey Keating <geoffk@cygnus.com>
14079 * flags.h (warn_padded, warn_packed): Add global var decls.
14080 * toplev.c (warn_padded, warn_packed): Add global var defns.
14081 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
14082 * stor-layout.c (layout_record): Add local variable `type'
14083 to hold often-used TREE_TYPE (field). Add local variable
14084 `unpacked_align' to hold alignment that would be in force
14085 if no `packed' attribute were present. Warn if `packed' attribute
14086 is unnecessary, or even harmful. Warn when gcc inserts padding
14087 to satisfy alignment requirements of members. Use NULL_TREE
14088 when checking whether var_size is set.
14089 * invoke.texi: Document new flags.
14091 1999-12-03 Nathan Sidwell <nathan@acm.org>
14093 * frame.c (fde_split): Reimplement to avoid variable sized array.
14095 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14097 * combine.c (try_combine): Before fixing up LOG_LINKS for the
14098 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
14100 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
14102 * invoke.texi: Document the mips option -mno-crt0
14104 1999-12-02 Mike Karr <mkarr@mathworks.com>
14106 * cccp.c (argdata): Added free_ptr member.
14107 (macroexpand): Initialize free_ptr of each argument. When an
14108 argument's buffers are freed, if the argument's free_ptr corresponds
14109 to a buffer on the input stack, then return the free_ptr to that stack
14110 frame, otherwise, free it.
14111 (macarg): If an argument begins and ends on the same input stack level,
14112 then transfer the free_ptr of that buffer to the argument in case
14113 the stack is popped during the processing of a subsequent argument.
14115 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
14117 * loop.c (note_reg_stored): New function.
14118 (struct note_reg_stored_arg): New structure.
14119 (try_copy_prop): Change to be more conservative; only replace within
14120 one extended basic block and stop replacing if a store to the
14121 replacement reg is seen.
14123 1999-12-02 Nick Clifton <nickc@cygnus.com>
14125 * config/fp-bit.c: Initialise all fields of the NAN
14128 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
14131 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14133 * i386.md (extend?f?f2): Force the input into a register, not
14136 1999-12-01 Jakub Jelinek <jakub@redhat.com>
14138 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
14140 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
14141 alternative because setting up 64bit constant is usually costly,
14142 especially when reload is in progress or completed.
14143 (movdf_const_intreg_sp64): Likewise.
14144 (movdf_const_intreg split): Fix building up constants when
14145 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
14147 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
14149 * combine.c (if_then_else_cond): Use const_true_rtx instead of
14150 const1_rtx for return values in EQ/NE comparison against (const_int 0)
14153 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
14154 (asm_file_start): Emit .am33 into assembly file when compiling for
14156 (print_operand_address): Handle POST_INC addresses.
14157 (can_use_return_insn, initial_offset): Check AM33 registers too.
14158 (expand_prologue): Check & save AM33 registers too.
14159 (expand_epilogue): Similarly.
14160 (secondary_reload_class): Handle AM33 specific secondary reloads.
14161 (output_tst): Emit efficient code for the AM33 too.
14162 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
14163 (TARGET_SWITCHES): Add -mam33 switch.
14164 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
14165 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
14166 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
14167 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
14168 (enum reg_class, REG_CLASS_NAMES): Likewise.
14169 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
14170 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
14171 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
14172 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
14173 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
14174 (HAVE_POST_INCREMENT): Define.
14175 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
14176 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
14177 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
14178 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
14179 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
14180 (zero_extend to SI from QI/HI): Likewise.
14181 (sign_extend to SI from QI/HI): Likewise.
14182 (mulsidi3, umulsidi3): New patterns for the AM33.
14183 (tstsi with zero extension from QI/HI): Add AM33 variants.
14184 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
14185 (return_internal_regs, store_movm): Handle new AM33 registers.
14186 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
14187 (LIBGCC, INSTALL_LIBGCC): Likewise.
14188 * invoke.texi: Document new flags.
14190 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14192 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
14193 (addsi3_carry): Likewise.
14194 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
14195 (sbbsi3_carry): Likewise.
14196 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
14197 (mulhi3): Likewise.
14198 (test?i_1): Ensure that only one operand is memory.
14199 (conditional move patterns): likewise.
14200 (shift and rotate patterns): Rewrite to expander, add
14201 "binary_operator_ok" to the condition.
14203 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
14204 * i386.h (procesor_costs): Add movzbl_load field.
14205 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
14206 non-Q registers, accept DImode registers anywhere.
14208 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
14209 * i386.c (*_cost): Set value for movxbl_load field.
14211 * (addsi): New add to lea splitter.
14212 (ashlsi): Likewise.
14213 (lea to add/shift peep2): New.
14215 1999-12-01 Mark Salter <msalter@cygnus.com>
14217 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14218 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14219 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14221 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14223 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14224 * i386.md (movsi_xor): New.
14226 (movsi_1, movhi_1, movqi_1): Remove.
14227 (movsi_2): Rename to movsi_1.
14228 (movhi_2): Rename to movhi_1.
14229 (movqi_2): Rename to movqi_1.
14230 (movdi_1): Remove; remove splitter.
14231 (movdi_2): Rename to movdi_1.
14232 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14233 (long move peep2): Do not create QI or HI mode mov0s
14234 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14236 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14239 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14240 (abs?f2_if): Likewise.
14242 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14244 * ggc.h (ggc_test_and_set_mark): New macro.
14245 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14246 (ggc_mark_tree): Likewise.
14247 (ggc_mark_rtvec): Likewise.
14248 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14250 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14252 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14254 (decl_scope_table): Just an array of trees now.
14255 (push_decl_scope): Simplify.
14256 (dwarf2out_init): Adjust.
14257 (local_scope_p): New fn.
14258 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14259 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14260 (gen_typedef_die): Likewise.
14261 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14262 (gen_inlined_subroutine_die): Likewise.
14263 (gen_abstract_function): Set current_function_decl temporarily.
14264 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14265 Handle block extern declarations. Don't call push/pop_decl_scope.
14266 (gen_decl_die): Fix logic for block externs.
14268 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14270 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14271 to the list of functions which have attribute malloc by default.
14273 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14275 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14276 integer constant does not match the traditional type, limit the
14277 warnings to cases where the base of the type is ten.
14279 * invoke.texi (-Wtraditional): Document it.
14281 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14283 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14284 * rs6000.md: Only access a CONST_INT with INTVAL
14286 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14288 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14289 (compute_nearerout): Likewise.
14290 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14291 size_t to unsigned long for formatting.
14293 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14295 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14296 Allow the user to override call-used/fixed state of %g2-5
14297 registers from the command line (with the exception of %g4 for
14299 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14300 there is a higher chance of having a leaf function.
14301 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14302 for ARCH64 which has %ccr register.
14303 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14305 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14306 insn accept into delay slot any insn which does not use %[ol]
14307 registers. Accept some LO_SUM and shift left by 1 for the normal
14309 (output_function_epilogue): Likewise.
14310 (epilogue_renumber): Added argument which inhibits any renumbering
14311 and just tests if the rtx does not use any %[ol] registers.
14312 (output_return): Reflect above change.
14314 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14316 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14317 aggregate passing for sizes <= 16 bytes.
14319 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14321 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14322 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14323 * reload.c (find_dummy_reload): Likewise.
14324 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14325 * reload1.c (reload_as_needed): Likewise.
14326 * stupid.c (stupid_find_reg): Likewise.
14327 * tm.texi (Obsolete Register Macros): Delete section.
14328 * gmicro.h: Remove all traces of the two macros.
14329 * i386.h: Likewise.
14330 * m88k.h: Likewise.
14331 * mips.h: Likewise.
14333 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14335 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14336 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14337 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14338 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14339 units for the sparclite86x chip.
14340 (flush): Revert October 14th change; add SImode specifically.
14341 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14342 * invoke.texi: Document it.
14344 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14346 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14347 psimode_truncation_operand.
14349 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14350 function. Return true if the operand is either a MEM valid
14351 for a PSImode address or not a MEM at all.
14353 * config/mn10200/mn10200.md (truncsipsi2): Use
14354 psimode_truncation_operand.
14356 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14358 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14359 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14360 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14361 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14362 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14363 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14364 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14365 * basic-block.h: Protect from multiple inclusion.
14366 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14367 (struct loops, struct loop): Define structures.
14368 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14369 * sbitmap.h: Protect from multiple inclusion.
14370 (sbitmap_a_subset_b_p): Add prototype.
14371 * Makefile.in (LOOP_H): New macro.
14372 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14374 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14376 * cppinit.c (CAT): The argument list of this macro may not contain
14379 1999-11-29 David S. Miller <davem@redhat.com>
14381 Move quantity tables and register equivalence chains into
14382 per-qty and per-register structure arrays respectively.
14383 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14384 qty_const_insn, qty_comparison_code, qty_comparison_const,
14385 qty_comparison_qty): Delete, replace with...
14386 (qty_table): this structure table.
14387 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14388 (reg_eqv_table): this structure table.
14389 (make_new_qty): Add argument MODE. Caller updated.
14390 Update to use qty_table and reg_eqv_table.
14391 (make_regs_eqv, delete_reg_equiv, insert_regs,
14392 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14393 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14394 cse_process_notes, cse_main, cse_basic_block): Likewise.
14396 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14398 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14399 operation if C is negative.
14400 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14401 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14402 law for some divisions if constant is negative and change other
14403 divisions to the opposite rounding.
14405 * expr.c (store_constructor_field): If bit position is not multiple
14406 of alignment of TARGET's mode, use BLKmode.
14408 * expr.c (expand_expr_unaligned): Add more code from full case
14409 that is needed when OP0 is in a register.
14411 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14413 * dwarfout.c (field_byte_offset): Size can be zero if there was
14416 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14418 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14419 (associate_trees): Delete unused var TEM.
14420 (extract_muldiv): Delete unused var CANCEL_P.
14422 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14423 (target_isinf, target_isnan, target_negative): Add return types to
14424 function definitions.
14426 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14428 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14429 * fixinc/hackshell.tpl: ditto
14430 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14431 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14433 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14435 * reload.c (push_reload): When looking for a register to put into
14436 reg_rtx, make sure all hard regs in a multi-reg register are in the
14437 right class and nonfixed.
14439 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14440 pending_read_insns, pending_write_insns, pending_read_mems,
14441 pending_write_mems, pending_list_length, last_pending_memory_flush,
14442 last_function_call, sched_before_next_call): Move static variables
14444 (bb_ prefixed versions): Replace with single array bb_deps.
14445 (struct deps): New structure.
14446 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14447 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14448 argument of type "struct deps *"; use that instead of global
14449 variables. All callers changed.
14450 (init_rgn_data_dependencies): Delete function.
14451 (init_rtx_vector): Delete function.
14452 (init_deps): New function.
14454 (free_pending_lists): Simplify, we always use the bb_deps array even
14455 if only one basic block.
14456 (compute_block_backward_dependences): Likewise.
14457 (schedule_region): Likewise.
14459 (propagate_deps): New function, broken out of
14460 compute_block_backward_dependences.
14461 (compute_block_backward_dependences): Use it.
14463 * alpha.md: Delete useless patterns that tried to work around
14464 register elimination problems.
14466 * unroll.c (loop_iterations): Don't abort if iteration variable
14469 From Joern Rennecke:
14470 * reload1.c (reloads_conflict): Reverse test comparing operand
14471 numbers when testing for conflict between output/outaddr reloads.
14473 1999-11-29 David S. Miller <davem@redhat.com>
14475 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14477 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14479 1999-11-28 Robert Lipe <robertl@cygnus.com>
14481 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14482 table from .fini into .dtor.
14484 1999-11-28 Anthony Green <green@cygnus.com>
14486 * tree.h (struct tree_decl): Add malloc_flag.
14487 (DECL_IS_MALLOC): Define.
14488 * c-common.c (attrs): Add A_MALLOC attribute.
14489 (init_attributes): Add this attribute to the table.
14490 (decl_attributes): Handle malloc attribute.
14491 * calls.c (special_function_p): Check for the malloc attribute.
14492 * extend.texi (Function Attributes): Document malloc attribute.
14494 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14496 * pa.md (reload shift-add patterns): Remove.
14498 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14500 * reorg.c (dbr_schedule) Print more statistics. Corrected
14501 problem when printing info when 3 delay slots are filled.
14503 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14505 * combine.c (setup_incoming_promotions): Pass an outgoing
14506 regno to FUNCTION_ARG_REGNO_P which it expects.
14508 1999-11-28 Andreas Jaeger <aj@suse.de>
14510 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14512 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14514 * cccp.c (do_include): Avoid initialization of automatic variable.
14516 * integrate.c (mark_stores): Function definition made void, to match
14517 previous declaration.
14518 * regclass.c (dump_regclass): Ditto.
14519 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14521 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14523 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14524 known to be multiple of divisor.
14526 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14528 * combine.c (try_combine): Add code to try to merge a set of a
14529 two-word pseudo to a constant with a setting of one of those words
14532 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14533 (split_tree): Completely rework to make more general.
14534 (make_range, fold): Call negate_expr.
14535 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14536 (fold, associate): Call new split_tree and associate_trees.
14537 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14539 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14541 * loop.c (try_copy_prop): Avoid GNU C extension.
14543 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14545 * except.c (init_eh_for_function): Still zero eh_return_context,
14546 eh_return_stack_adjust, and eh_return_handler.
14548 * except.h (eh_status): Adjust documentation for x_protect_list.
14549 (begin_protect_partials): New function.
14550 * except.c (enqueue_eh_entry): Fix formatting.
14551 (get_first_handler): Add consistency check.
14552 (add_partial_entry): Adjust usage of protect_list.
14553 (emit_cleanup_handler): Save and restore ehqueue.
14554 (expand_start_all_catch): Add comment.
14555 (begin_protect_partials): New function.
14556 (end_protect_partials): Adjust usage of protect_list.
14557 (init_eh_for_function): Use xcalloc.
14559 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14561 * c-common.c (check_format_info): Don't call a variadic function
14562 with a non-literal format string.
14564 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14566 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14567 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14570 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14573 * collect2.c (collect_wait): Likewise.
14575 * dbxout.c (dbxout_type): Likewise.
14577 * gcc.c (do_spec_1): Likewise.
14579 * genemit.c (gen_insn, gen_expand): Likewise.
14581 * genrecog.c (write_switch, write_subroutine): Likewise.
14583 * mips-tfile.c (catch_signal, botch): Likewise.
14585 * print-rtl.c (print_rtx): Likewise.
14587 * toplev.c (default_print_error_function, report_error_function,
14588 _fatal_insn): Likewise.
14590 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14592 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14594 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14596 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14597 operations when needed.
14598 * i386.md (fop_?f_comm): New.
14599 (fop_?f_1): Do not accept commutative operands.
14601 1999-11-25 Andreas Jaeger <aj@suse.de>
14603 * config/mips/mips.md (casesi_internal): Add missing brace.
14605 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14607 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14608 (splice_child_die): Handle moving a child DIE from the declaration
14609 DIE of a class to its specification.
14610 (gen_struct_or_union_type_die): Use 'complete' consistently.
14611 (gen_decl_die): Generate the virtual context DIE first.
14612 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14614 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14616 * config/mips/mips.md (call_value_multiple_interanal1): New.
14618 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14620 * dwarf2out.c (free_AT, free_die): New fns.
14621 (remove_children): Call them.
14622 (output_line_info): Disable removal of duplicate notes.
14624 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14625 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14626 means pretend the type isn't defined.
14627 Don't defer emitting types.
14628 (gen_type_die_for_member): New fn.
14629 (gen_decl_die): Call it.
14630 (splice_child_die): New fn.
14631 (gen_member_die): Call it rather than generate duplicate dies.
14633 Defer emitting information for the abstract instance of an inline
14634 until we either inline it or emit an out-of-line copy.
14635 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14636 from output_inline_function if DECL_ABSTRACT is also set.
14637 (block_ultimate_origin): Likewise.
14638 (gen_abstract_function): New fn.
14639 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14640 (gen_subprogram_die): An abstract instance is not a declaration
14641 just because it doesn't match current_function_decl. Don't abort
14642 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14643 has an abstract origin.
14644 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14645 abstract instance here.
14647 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14649 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14650 where we need to reload fpul from a system register.
14652 1999-11-24 Andreas Jaeger <aj@suse.de>
14654 * config/mips/linux.h (CPP_PREDEFINES): Added.
14655 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14657 1999-11-24 Andreas Jaeger <aj@suse.de>
14659 * config/mips/linux.h (TARGET_VERSION): Added.
14660 (HANDLE_SYSV_PRAGMA): Added.
14661 (DEFAULT_VTABLE_THUNKS): Added.
14663 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14665 * local-alloc.c (qty): New structure and static variable.
14666 (qty_phys_reg): Remove, all references changed to qty.
14667 (qty_n_refs): Likewise.
14668 (qty_min_class): Likewise.
14669 (qty_birth): Likewise.
14670 (qty_death): Likewise.
14671 (qty_size): Likewise.
14672 (qty_mode): Likewise.
14673 (qty_n_calls_crossed): Likewise.
14674 (qty_alternate_class): Likewise.
14675 (qty_changes_size): Likewise.
14676 (qty_first_reg): Likewise.
14677 (alloc_qty): Rename variable QTY to QTYNO.
14678 (finf_free_reg): Likewise.
14679 (local_alloc): Allocate qty, do not allocate the removed variables.
14681 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14683 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14684 when -membedded-pic is passed.
14686 * config/mips/mips.md (casesi): Handle 64-bit case too.
14687 (casesi_internal_di): New insn.
14689 * config/mips/mips.c (embedded_pic_offset): Always make the
14690 embedded-pic subtractions relative to the name of the current
14691 function by use of the magic string "..CURRENT_FUNCTION".
14692 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14694 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14696 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14697 of (const_int 0), when what we really care about is
14698 whether it's a zero constant anyway.
14699 (div_trap_mips16): Likewise.
14701 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14703 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14704 unroll_block_trees when generating debuggable code.
14706 * tree.h (unsave_expr_1): New function.
14707 (lang_unsave): New variable.
14708 (get_callee_fndecl): New function.
14709 * tree.c (unsave_expr_now_r): New function.
14710 (lang_unsave): Define.
14711 (unsave_expr_1): Likewise.
14712 (unsave_expr_now_r): Split out from unsave_expr_now.
14713 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14714 call unsave_expr_now_r.
14715 (get_callee_fndecl): Define.
14717 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14718 (gencheck.o): Do depend on lang_tree_files.
14720 * integrate.h (copy_decl_for_inlining): New declaration.
14721 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14722 (copy_decl_for_inlining): New function.
14723 (integrate_parm_decls): Use it.
14724 (integrate_decl_tree): Likewise.
14726 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14728 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14729 the second two from the first.
14730 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14731 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14732 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14734 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14735 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14738 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14740 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14741 needed on the address operand.
14742 * pa.c (call_operand_address): Check for the correct mode.
14744 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14746 * loop.c: Include "basic-block.h".
14747 (try_copy_prop, replace_loop_reg): New functions.
14748 (load_mems): Detect registers that just hold copies of the hoisted
14749 mem, and call try_copy_prop to eliminate them.
14750 * Makefile.in (loop.o): Update dependencies.
14752 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14754 * Makefile.in (gencheck.o): Depend on gencheck.h.
14755 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14756 (insn-peep.o): Depend on except.h and function.h.
14757 (insn-attrtab.o): Depend on RECOG_H.
14758 (insn-output.o): Depend on toplev.h and flags.h.
14759 (gengenrtl.o): Depend on real.h.
14760 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14761 Unify all dependencies to be on RECOG_H rather than recog.h.
14763 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14765 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14766 * configure.in: Try building a bi-arch 32/64-bit compiler on
14767 sparc-*-solaris2.7 and higher.
14768 * configure: Rebuild.
14770 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14772 * config/freebsd.h: New, FreeBSD architecture independent file.
14773 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14774 independent pieces.
14775 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14776 directly by i386/freebsd.h.
14777 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14778 independent configuration file.
14779 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14780 directly by i386/freebsd.h.
14781 * configure: Rebuilt.
14783 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14784 which is in the user's namespace.
14785 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14786 `i386' which is not in our namespace.
14788 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14790 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14792 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14794 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14795 (add_dwarf_attr, add_child_die): Just push onto the front.
14796 (reverse_die_lists): New fn.
14797 (add_sibling_attributes): Use it.
14798 (push_decl_scope): Reorganize.
14799 (add_name_and_src_coords_attributes): Don't set file and line for
14800 an artificial decl.
14801 (gen_subprogram_die): An artificial function doesn't need to match
14803 (gen_compile_unit_die): Return the generated die. Only add
14804 AT_comp_dir if the filename is relative.
14805 (remove_AT): Simplify loop. Also free string values.
14806 (output_die): A DIE ref can't be null.
14807 (output_value_format, value_format): Take a dw_attr_ref.
14808 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14809 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14810 AT_addr, AT_lbl): New fns.
14811 (various): Use them.
14812 (various): Constify.
14814 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14816 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14817 take SUBREG_WORD into account.
14818 (if_then_else_cond): Likewise.
14820 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14822 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14823 clause from BSD license, pursuant with
14825 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14827 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14829 * loop.c (load_mems): Reformat slightly.
14830 * basic-block.h (regset_head): New typedef.
14831 (INIT_REG_SET): New macro.
14833 1999-11-22 Bruce Korb <autogen@linuxbox.com
14835 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14836 (mips-dec-bsd*): non-functional code
14837 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14839 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14840 added three replacement fixes
14841 (no_double_slash): removed comments that are not (any longer) pertinent
14842 (bad_lval): this fix currently runs against many files.
14843 The comment seems to indicate that we should select for files
14844 containing 'pragma extern_prefix'.
14846 * fixinc/fixinc.x86-linux-gnu: deleted
14847 * fixinc/inclhack.sh: regen
14848 * fixinc/fixincl.x: regen
14849 * fixinc/fixincl.sh: regen
14851 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14853 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14854 its code is INSN and it has no notes.
14856 1999-11-22 Andrew Haley <aph@cygnus.com>
14858 * varasm.c (function_defined): Remove.
14859 (make_function_rtl): Don't set function_defined.
14860 (make_decl_rtl): Remove global register warning.
14861 * regclass.c (no_global_reg_vars): New variable.
14862 (globalize_reg): Warn if function has already been defined.
14863 (regclass_init): Set no_global_reg_vars.
14865 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14867 * regclass.c (reg_pref): New structure and static variable
14868 (prefclass): Delete.
14869 (altclass): Delete.
14870 (all uses of prefclass and altclass): Use reg_pref instead.
14872 1999-11-21 Nick Clifton <nickc@cygnus.com>
14874 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14876 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14877 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14878 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14880 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14882 * varasm.c (output_constructor): Solve problem with long long
14883 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14885 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14887 * global.c (allocno): New structure and static variable.
14888 (allocno_reg): Remove, all references replaced by allocno.
14889 (allocno_size): Likewise.
14890 (hard_reg_conflicts): Likewise.
14891 (hard_reg_preferences): Likewise.
14892 (hard_reg_copy_preferences): Likewise.
14893 (hard_reg_full_preferences): Likewise.
14894 (regs_someone_prefers): Likewise.
14895 (allocno_calls_crossed): Likewise.
14896 (allocno_n_refs): Likewise.
14897 (allocno_live_length): Likewise.
14898 (find_reg): Rename ALLOCNO to NUM.
14900 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14901 references updated.
14902 (may_move_out_cost): New variable.
14903 (init_reg_sets_1): Initialize may_move_out_cost.
14904 (record_reg_classes): Use may_move_out_cost.
14906 * regclass.c (dump_regclass): New function.
14907 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14908 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14909 pass rtl_dump_file to regclass.
14910 * rtl.h (regclass): Update prototype.
14912 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14914 * i386.md (neg, not and abs patterns): Revmap to use
14915 ix86_expand_unary_operator and ix86_unary_operator_ok.
14916 (add?f and sub?f expanders): Force operand 1 to register.
14917 * i386.c (ix86_expand_unary_operator): Rewrite.
14918 (ix86_unary_operator_ok): Ensure that memory operands
14920 (ix86_binary_operator_ok): Do not allow operand 1 to
14921 come into memory and operand 0 not.
14922 (ix86_expand_binary_operator): Ensure that
14923 src1 is not non-matching memory.
14925 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14926 to support integer registers and memory.
14927 (abss?2_integer): Likewise.
14929 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14930 (REG_CLASS_NAMES): Likewise.
14931 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14933 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14934 (movsf): Likewise; unify 4th and 5th alternative.
14935 (pushdf): Likewise.
14936 (movdf_1): Likewise; rename to movdf_integer.
14937 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14938 remove redundant splitter.
14939 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14940 (movdf_nointeger): New.
14941 (movxf_nointeger): New.
14942 (pushxf_nointeger): New.
14944 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14945 memory operands in patterns.
14946 (fop*): Refuse two memory operands.
14948 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14949 on !TARGET_USE_CLTD CPUs.
14951 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14953 * extend.texi: Document C++ restricted pointers and references.
14955 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14957 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14958 (invalidate_skipped_set): Call it unconditionally.
14959 (cse_set_around_loop): Likewise.
14961 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14963 * rtl.texi (mem): Add documentation for alias-set argument
14966 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14968 * i386.h (struct_processor_costs): New fields int_load, int_store,
14969 fp_move, fp_load and fp_store
14970 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14972 (MEMORY_MOVE_COST): New macro.
14973 * i386.c (386_cost): Define new fields.
14974 (i486_cost): Likewise.
14975 (pentium_cost): Likewise.
14976 (pentiumpro_cost): Likewise.
14977 (k6_cost): Likewise.
14979 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14980 Geoffrey Keating <geoffk@cygnus.com>
14982 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14984 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14987 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14988 (TARGET_STRICT_ALIGNMENT): New macro.
14989 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14990 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14991 * invoke.texi (M680x0 Options): Document -mstrict-align.
14993 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14994 Richard Henderson <rth@cygnus.com>
14996 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14997 (ix86_split_long_move): Declare.
14998 * i386.c (split_xf, ix86_split_movdi): Remove.
14999 (ix86_split_to_parts, ix86_split_long_move): New.
15000 * i386.md (dimode move splitters): Use ix86_split_long_move.
15001 (dfmode move splitters): Likewise.
15002 (xfmode move splitters): Likewise.
15003 (movsf_1): Allow F->r.
15004 (movdf_1, movxf_1): Allow F->ro.
15006 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15008 * except.h (struct eh_entry): Add goto_entry_p.
15009 (eh_region_from_symbol): Remove prototype.
15010 * except.c (find_func_region_from_symbol): New function.
15011 (emit_cleanup_handler): Likewise.
15012 (eh_region_from_symbol): Make it static.
15013 (add_new_handler): Verify the argument.
15014 (find_func_region): Update comment.
15015 (expand_eh_region_end): Expand handlers here, rater than waiting
15016 until expand_leftover_cleanups or start_all_catch.
15017 (expand_leftover_cleanups): Don't expand here.
15018 (expand_start_all_catch): Or here.
15019 (expand_rethrow): Check the return value from find_func_region.
15020 * function.c (expand_function_end): Emit the catch_clauses.
15022 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
15024 * integrate.c (expand_inline_function): Add necessary check for NULL.
15026 1999-11-18 Nick Clifton <nickc@cygnus.com>
15028 * toplev.c (main): Correctly detect an unrecognised option.
15030 * cppinit.c (cpp_handle_option): Do not claim to have consumed
15031 a -f option if it has not been recognised.
15033 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
15035 * basic-block.h (update_life_extent): Remove trailing comma on
15036 enumeration type list.
15038 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15040 * varasm.c (output_constructor) Solved problem with long long
15041 bitfields. Corrected calculating this_time and shift. Also
15042 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
15044 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
15046 * flow.c (split_edge): Take looping structure into account when
15047 determining where to put the new block note.
15049 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
15051 * Makefile.in (ggc-none.o): Provide host specific version if
15054 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
15056 * cse.c (delete_trivially_dead_insns): Identify no-op insns
15057 containing subregs too.
15059 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15061 * invoke.texi: Add documentation for -muninit-const-in-rodata.
15062 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
15063 (TARGET_UNINIT_CONST_IN_RODATA): Define.
15064 (text_section): Add switches -munint-const-in-rodata and
15065 -mno-uninit-const-in-rodata.
15066 (ASM_OUTPUT_COMMON): Remove.
15067 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
15068 const objects should be placed in read-only data. Otherwise declare
15071 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
15073 * jump.c (jump_optimize_1): Revert last change.
15075 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
15077 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
15078 test if optimizing for size.
15080 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15082 * Makefile.in (toplev.o): Depend on except.h.
15083 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
15085 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15087 * i386.md (divmodsi4): Rewrite to expander.
15088 (*divmodsi4_nocltd): New.
15089 (*divmodsi4_cltd): New.
15090 (divmodsi4 splitter): Handle the case when input comes in edx.
15091 (udivmodhi4): Do not use constraints in exander.
15092 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
15094 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
15096 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
15097 for the common case.
15099 1999-11-16 Jakub Jelinek <jakub@redhat.com>
15101 * explow.c (hard_function_value): Add outgoing argument.
15102 * expr.h (hard_function_value): Declare it.
15103 * calls.c (expand_call, emit_library_call_value): Update callers.
15104 * function.c (aggregate_value_p): Ditto.
15105 (diddle_return_value): Must look at the outgoing registers
15106 on archs with register windows.
15108 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
15110 * alpha.c (alpha_build_va_list): Use make_lang_type and
15111 initialize TYPE_NAME for the va_list record.
15113 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
15115 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
15117 * ggc.h (struct ggc_statistics): Rearrange elements for better
15118 packing on 64-bit hosts.
15119 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
15120 (compute_nearerout): Likewise.
15122 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
15124 * config/rs6000/rs6000.c (first_reg_to_save): Save
15125 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
15127 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
15129 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
15130 notion of nesting to find the DIE for a type or function.
15131 DIEs can go in limbo even if we got a context_die.
15132 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
15133 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
15135 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
15136 (gen_type_die): Writing out the context doesn't cause member class
15137 template instantiations to be written out as well.
15139 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
15141 * rs6000.h (ASM_OUTPUT_DEF): New.
15142 Based on proposed addition from David Edelsohn.
15144 1999-11-15 Robert Lipe <RobertLipe@usa.net>
15145 Bruce Korb <autogen@linuxbox.com>
15147 * fixinc/inclhack.def
15148 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
15149 (unixware7_byteorder_fix): added. Removes conflicts for new defs
15151 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
15152 (svr4_endian): enabled with SVR5
15153 (svr4_mkdev): simplified syntax and enabled with SVR5
15155 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
15157 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
15158 * configure: Rebuilt.
15159 * config/t-freebsd-thread: New file.
15161 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
15163 * i386.c (ix86_decompose_address): Verify the base is a REG
15164 before trying to examine its register number.
15166 * basic-block.h: Remove all #defines and prototypes related to
15168 (free_bb_mem, compute_preds_succs): Remove prototype.
15169 * rtl.h (free_bb_mem): Remove prototype.
15170 * flow.c (alloc_int_list_node); Remove function.
15171 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
15172 (compute_preds_succs, free_bb_mem): Likewise.
15173 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
15174 * toplev.c (rest_of_compilation): Likewise.
15175 * haifa-sched.c (build_control_flow): Use flow generated edge
15176 list to build the haifa specific edge list.
15177 (find_rgns): Use new CFG data structures instead of pred/succ lists.
15178 (schedule_insns): Do not build pred/succ lists anymore. Instead
15179 build the edge table.
15181 * basic-block.h (dump_bb_data): Remove declaration.
15182 * flow.c (dump_bb_data): Remove function.
15183 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
15184 (sbitmap_union_of_predsucc): Likewise.
15186 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
15187 argument. All callers changed.
15188 (delete_null_pointer_checks_1): No longer need to compute the
15191 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
15192 All callers changed.
15193 (pre_expr_reaches_here_p_work): Likewise.
15194 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
15195 * lcm.c (compute_laterin): Fix initialization of LATER.
15196 (compute_nearerout): Similarly for NEARER.
15198 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15200 * cse.c (set_nonvarying_address_components): Delete unused function.
15201 (refers_to_p): Likewise.
15203 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
15205 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
15208 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15210 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15211 definition in do while (0).
15213 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15215 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15217 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15219 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15221 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15223 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15224 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15225 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15226 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15228 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15229 saved on the stack. Output more accurate stack frame statistics
15230 into assembler file.
15232 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15234 * genextract.c (record_insn_name): New function.
15235 (get_insn_name): No longer a stub.
15236 (main): Call record_insn_name for each insn. After each label
15237 written, print the insn name in a comment.
15239 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15241 * output.h (const_section, init_section, fini_section): Add
15244 * alpha/elf.h (const_section): Delete declaration.
15246 * svr4.h (const_section): Likewise.
15248 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15250 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15251 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15252 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15254 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15255 variable-sized array bounds.
15257 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15259 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15262 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15264 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15265 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15267 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15269 * cse.c (hash_arg_in_struct): Delete.
15270 (struct table_elt): Delete elt in_struct.
15271 (struct set): Delete elt src_in_struct.
15272 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15273 the corresponding in_struct elts.
15274 (canon_hash): Likewise.
15275 (safe_hash): Likewise.
15276 (find_best_addr): Likewise.
15277 (record_jump_cond): Likewise.
15278 (cse_insn): Likewise.
15280 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15282 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15284 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15287 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15289 * function.c (diddle_return_value): Put back check that the DECL_RTL
15290 for the function is a register.
15292 * function.c (diddle_return_value): Use hard_function_value to
15293 get an rtx suitable for use in the USE/CLOBBER insn.
15295 * global.c (global_conflicts): Update comments.
15296 (record_conflicts): No need to record conflicts between pseudos here.
15298 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15300 * fixinc/fixincl.c: Added verbose levels for status messages
15302 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15304 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15305 operand as argument to expand_and or expand_binop.
15307 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15309 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15310 gcc_add_string_root.
15312 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15314 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15316 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15318 * flow.c (compute_flow_dominators): Initially put all blocks on
15320 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15321 * gcse.c (compute_cprop_avinout): Remove.
15322 (compute_cprop_data): Use compute_available.
15323 (delete_null_pointer_checks_1): Use compute_available.
15325 * basic-block.h (compute_available): Returns a void now.
15326 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15327 to return a value anymore.
15328 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15329 worklists. Fix boundary cases. Compute maximal solutions.
15330 (compute_laterin, compute_nearerout): Similarly.
15332 * dwarf2out.c (add_AT_location_description): Allow
15333 (mem (plus (pseudo) (...)) too.
15335 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15337 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15339 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15340 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15342 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15344 * gansidecl.h: Likewise.
15350 * toplev.h: Likewise.
15352 * tree.c: Likewise.
15354 * tree.h: Likewise.
15356 * varray.c: Likewise.
15358 * varray.h: Likewise.
15360 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15362 * gcov.c (struct arcdata): Add hits and total, remove prob.
15363 (output_branch_counts): New.
15364 (process_args): Set output_branch_counts if -c.
15365 (calculate_branch_probs): Store hits and total instead of
15367 (output_data): Emit counts if output_branch_counts is true.
15368 * gcov.texi (Invoking Gcov): Document -c switch..
15370 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15372 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15373 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15375 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15377 * invoke.texi (C Dialect Options): Add missing builtins from
15378 c-common.c to list.
15379 * extend.texi (Other Builtins): Copy to this list.
15381 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15383 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15384 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15385 redundant bitmap.h.
15387 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15389 * flow.c (compute_flow_dominators): No longer treat basic block 0
15390 or (n_basic_blocks - 1) specially. Clear the AUX field before
15391 starting computation of doms/pdoms. Fix initial state for pdoms.
15393 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15395 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15396 match rtl.o's: added ggc.h and toplev.h
15397 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15398 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15399 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15401 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15403 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15404 from HAVE_DOS_BASED_FILESYSTEM.
15405 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15406 HAVE_DOS_BASED_FILESYSTEM.
15408 (split_directories): Only special-case DOS file names if
15409 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15410 instead of explicit tests. Conditionalize on !VMS.
15411 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15412 tests. Conditionalize on !VMS.
15413 (process_command): Only use make_relative_prefix if !VMS.
15414 (free_split_directories): Conditionalize on !VMS.
15415 (DIR_UP): Conditionalize on !VMS.
15417 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15419 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15421 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15423 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15426 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15428 * invoke.texi (Environment Variables): Document relative path
15430 * gcc.c (DIR_UP): If not defined, define as "..".
15431 (standard_bindir_prefix): New static, holds target location to
15433 (split_directories): New function to split a filename into
15434 component directories.
15435 (free_split_directories): New function, release memory allocated
15436 by split_directories.
15437 (make_relative_prefix): New function, make a relative pathname if
15438 the compiler is not in the expected location.
15439 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15440 can figure out an appropriate prefix from argv[0].
15441 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15442 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15443 STANDARD_BINDIR_PREFIX.
15445 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15447 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15449 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15450 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15451 c4x_secondary_memory_needed) Delete.
15452 (fp_zero_operand): Add mode argument.
15454 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15456 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15457 that is in reload_reg_used.
15459 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15461 * config/arm/arm-protos.h: New file: Prototypes for functions
15462 defined in arm.c and pe.c.
15463 * config/arm/arm.h: Fix compile time warnings.
15464 * config/arm/arm.c: Fix compile time warnings.
15465 * config/arm/pe.h: Fix compile time warnings.
15466 * config/arm/aout.h: Fix compile time warnings.
15468 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15470 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15473 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15474 Add support for subtargets.
15475 Add prototypes for new predicates.
15476 Add scheduling macros.
15478 * config/m32r/m32r.c: Fix compile time warnings.
15479 (int8_operand): New predicate function.
15480 (reg_or_cmp_int16_operand): New predicate function.
15481 (extend_operand): New predicate function.
15482 (m32r_adjust_code): New scheduling function.
15483 (m32r_adjust_priorty): New scheduling function.
15484 (m32r_sched_init): New scheduling function.
15485 (m32r_sched_reorder): New scheduling function.
15486 (m32r_sched_variable_issue): New scheduling function.
15487 (direct_return): New codegen function.
15488 (m32r_not_same_reg): New rtl testsing function.
15490 * config/m32r/m32r.md: Fix compile time warnings.
15491 Add support for pre decrement and post increment memory
15493 Add S<cc> patterns.
15496 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15498 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15499 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15500 (find_reg): Likewise.
15502 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15504 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15505 to avoid assembler errors.
15507 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15509 * config/v850/v850-protos.h: New file: Prototypes for functions
15511 * config/v850/v850.h: Move prototypes to v850-protos.h
15512 * config/v850/v850.c: Move prototypes to v850-protos.h
15513 * config/v850/v850.md: Fix compile time warnings.
15515 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15517 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15518 * config/fr30/fr30.c: Fix compile time warnings.
15519 * config/fr30/fr30.md: Fix compile time warnings.
15521 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15523 * tree.h (get_containing_scope): Declare it.
15524 * tree.c (get_containing_scope): New fucntion.
15525 (decl_function_context): Use it.
15526 * toplev.c (rest_of_compilation): Use get_containing_scope.
15528 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15530 * Makefile.in (rtl.o): Depend on toplev.h.
15532 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15534 * cse.c (delete_trivially_dead_insns): Replace alloca with
15536 * except.c (update_rethrow_references): Likewise.
15537 (init_eh_nesting_info): Likewise.
15538 * function.c (identify_blocks): Likewise.
15539 * gcse.c (dump_hash_table): Likewise.
15540 * graph.c (print_rtl_graph_with_bb): Likewise.
15541 * loop.c (combine_movables): Likewise.
15542 (move_movables): Likewise.
15543 (count_loop_regs_set): Likewise.
15544 (strength_reduce): Likewise.
15545 * profile.c (compute_branch_probabilities): New function, split
15547 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15548 * regclass.c (regclass): Likewise.
15549 * regmove.c (regmove_optimize): Likewise.
15550 * toplev.c (compile_file): Likewise.
15551 (main): Don't mess with the stack rlimit.
15553 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15555 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15556 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15558 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15560 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15562 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15564 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15565 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15568 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15570 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15572 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15574 * gcse.c (post_dominators): Kill.
15575 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15576 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15577 pass in a pdom array since we do not need pdoms.
15578 * haifa-sched.c (schedule_insns): Similarly.
15579 * flow.c (compute_dominators): Remove dead function.
15580 (compute_flow_dominators): Do not compute doms or pdoms if the
15581 caller does not request them. Split up loop to build doms and
15582 pdoms. Use a worklist to compute doms and pdoms.
15583 * basic-block.h (compute_dominators): Remove prototype.
15585 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15587 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15588 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15589 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15590 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15591 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15592 (schedule_region): Remove unused variable.
15593 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15595 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15597 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15598 (update_equiv_regs): Likewise.
15599 (block_alloc): Likewise.
15600 * reg-stack.c (reg_to_stack): Likewise.
15601 (convert_regs_2): Likewise.
15602 * reload1.c (reload_as_needed): Likewise.
15604 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15606 * Makefile.in (dbxout.o): Depend on ggc.h.
15607 (dwarf2out.o): Likewise.
15608 (xcoffout.o): Likewise.
15609 * dbxout.c: Include ggc.h.
15610 (dbxout_init): Register lastfile as a root.
15611 * dwarf2out.c: Include ggc.h.
15612 (dwarf2out_line): Register lastfile as a root.
15613 * xcoffout.c: Include ggc.h.
15614 (xcoffout_source_line): Register xcoff_lastfile as a root.
15616 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15618 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15620 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15622 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15624 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15626 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15628 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15629 (EXECUTE_IF_CONFLICT): Likewise.
15630 (ALLOCNO_LIVE_P): Avoid signed division.
15631 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15632 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15633 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15635 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15637 * haifa-sched.c (schedule_block): Don't crash if there's no
15638 next insn for an interblock movement.
15639 (add_branch_dependences): Don't allow clobber insns to move either.
15641 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15643 * i386.c (split_xf): New.
15644 * i386-protos.h: Declare it.
15645 * i386.md (movxf_1): Add general regs alternatives.
15646 (movxf_1+1): New splitter for same.
15648 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15650 * function.c (purge_addressof_1): Add missing return values.
15652 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15654 * function.c (is_addressof): New function. Returns true if
15655 the given piece of RTL is an ADDRESSOF.
15656 (purge_addressof_1): Make boolean. Return false if the
15657 ADDRESSOFs could not be purged.
15658 (purge_addressof): If ADDRESSOFs could not be purged from the
15659 notes attached to an insn, remove the offending note(s),
15660 unless they are attached to a libcall.
15662 1999-11-05 Andreas Jaeger <aj@suse.de>
15664 * genoutput.c (null_operand =): Initialize all fields.
15666 * errors.h: Add extern to prototypes.
15668 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15670 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15671 * configure: Rebuilt.
15673 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15675 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15676 (mirror_conflicts): New function.
15677 (global_alloc): Call it.
15678 (expand_preferences): Remove redundant CONFLICTP test.
15679 (find_reg, dump_conflicts): Likewise.
15680 (prune_preferences): Process conflicts one word at a time.
15682 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15684 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15685 instead of an explicit loop.
15687 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15689 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15690 if REG_RETVAL check succeeds, then put classp in src_elt.
15692 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15694 * function.c (pad_to_arg_alignment): Only update argument_pad
15695 if the argument's alignment is greater than STACK_BOUNDARY.
15697 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15699 * bitmap.h (BITMAP_XFREE): New.
15700 * flow.c (life_analysis): Use it.
15701 (life_analysis_1): Free blocks.
15703 * combine.c (undo_commit): New.
15704 (try_combine): Use it. Don't zap undobuf.undos.
15705 (combine_instructions): Don't zap undobuf.undos; free the
15706 undobuf.frees list.
15708 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15710 * stmt.c (cost_table_): New.
15711 (estimate_case_costs): Use it instead of xmalloc.
15713 * toplev.c (compile_file): Reuse dumpname memory instead
15716 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15718 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15719 after verifying an EH edge.
15721 * haifa-sched.c (init_rgn_data_dependences): Correctly
15722 size bb_pending_lists_length when zeroing.
15724 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15726 * function.c (diddle_return_value): New.
15727 (expand_function_end): Use it.
15728 * stmt.c (expand_null_return): Likewise.
15729 (expand_value_return): Likewise.
15731 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15733 * reload1.c (reload): Don't remove return value clobbers.
15735 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15737 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15739 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15741 * cse.c (cse_main): Use xmalloc, not alloca.
15742 (cse_basic_block): Likewise.
15743 * local-alloc.c (local_alloc): Likewise.
15745 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15746 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15748 * rtl.c: Include toplev.h.
15749 (fatal): Remove declaration.
15751 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15753 * haifa-sched.c (schedule_block): Fix thinko.
15755 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15757 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15758 S_IR* defined values
15760 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15762 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15763 call `malloc' instead.
15765 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15767 * flags.h (flag_renumber_insns): Declare.
15768 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15770 * rtl.h (renumber_insns): Change prototype.
15771 * toplev.c (flag_renumber_insns): Define.
15772 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15774 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15776 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15777 and fpsqrtd. Use them and create fdiv function unit to more
15778 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15779 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15781 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15783 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15785 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15786 insn into ready list, do not use just a raw swap.
15788 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15790 * rtl.h (renumber_insns): New function.
15791 (remove_unnecessary_notes): Likewise.
15792 * emit-rtl.c (renumber_insns): Define.
15793 (remove_unncessary_notes): Likewise.
15794 * toplev.c (rest_of_compilation): Remove dead code.
15795 Use renumber_insns and remove_unncessary_notes.
15797 * gcse.c (struct null_pointer_info): New type.
15798 (get_bitmap_width): New function.
15799 (current_block): Remove.
15800 (nonnull_local): Likewise.
15801 (nonnull_killed): Likewise.
15802 (invalidate_nonnull_info): Take a null_pointer_info as input.
15803 (delete_null_pointer_checks_1): New function.
15804 (delete_null_pointer_checks): Use it.
15806 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15807 (split_edges): Likewise.
15808 (schedule_block): Likewise.
15809 (compute_block_backward_dependencies): Likewise.
15810 (schedule_region): Likewise.
15811 (schedule_insns): Likewise.
15813 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15815 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15816 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15817 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15818 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15819 * jump.c (delete_unreferenced_labels): Don't delete if
15820 LABEL_ALTERNATE_NAME is set.
15821 * print-rtl.c (print_rtx): Dump alternate name.
15822 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15823 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15824 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15825 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15827 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15829 * fix-header.c (recognized_extern, recognized_function): Constify
15832 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15833 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15834 (compute_available): Remove unused variable `last'.
15835 (compute_nearerout): Remove unused variable `temp_bitmap'.
15836 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15837 Remove unused variable `x'.
15839 * scan.h (recognized_function, recognized_extern): Constify a
15842 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15844 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15846 * varasm.c (decode_rtx_const): Use XSTR to access the string
15849 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15851 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15853 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15855 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15857 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15859 * pa.c (ireg_operand): New function.
15860 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15861 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15862 Fix out of date comment.
15864 * pa.md (negdi2): Turn into expander + anonymous pattern.
15866 * reload.c (find_reloads): Fix typos in recent change.
15868 * dwarf2out.c: Do not include ctype.h.
15870 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15872 * regclass.c (record_reg_classes): Always use may_move_cost when
15873 seeing how operand fits with various register classes.
15875 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15877 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15878 * toplev.c: Revert Nov 1 13:22 change.
15880 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15882 * config/pa/pa.md (height reduction patterns): Add checks for
15883 overlapping operands to avoid semantic-destroying splits for
15884 height reduction patterns.
15886 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15888 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15889 have been an hyphen, fixed.
15890 * configure: Rebuilt.
15892 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15894 * config/arm/tpe.h: Add prototypes for exported functions.
15895 * config/arm/pe.c: Fix compile time warnings.
15896 * config/arm/semi.h: Fix compile time warnings.
15897 * config/arm/arm.c: Fix compile time warnings.
15898 * config/arm/arm.h: Fix compile time warnings.
15899 * config/arm/arm.md: Fix compile time warnings.
15900 * config/arm/thumb.c: Fix compile time warnings.
15901 * config/arm/thumb.h: Fix compile time warnings.
15902 * config/arm/thumb.md: Fix compile time warnings.
15904 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15906 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15909 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15910 completely unrolled.
15912 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15914 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15916 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15918 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15919 * rtl.h (rtx_equal_p): Move prototype.
15920 * rtl.c (rtx_equal_function_value_matters): Move from
15922 (rtx_equal_p): Likewise.
15923 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15924 (rtx_equal_p): Likewise.
15926 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15928 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15929 ! HAS_INIT_SECTION.
15931 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15933 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15935 * pa.h (ADDR_VEC_ALIGN): Define.
15937 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15938 notes when presented with "if (foo) break; end_of_loop" and
15939 the break sequence gets moved out of the loop.
15941 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15942 Remove explicit zero initializations of entries within MAP.
15944 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15946 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15948 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15950 * bitmap.h (BITMAP_XMALLOC): New macro.
15951 * flow.c (CLEAN_ALLOCA): Remove.
15952 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15953 (life_analysis): Likewise.
15954 (update_life_info): Don't use CLEAN_ALLOCA.
15955 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15956 (calculate_global_regs_live): Likewise.
15957 (print_rtl_with_bb): Likewise.
15958 (verify_flow_info): Likewise.
15959 * global.c (global_alloc): Likewise.
15960 (global_conflicts): Likewise.
15961 * integrate.c (save_for_inline_nocopy): Likewise.
15962 (expand_inline_function): Likewise.
15963 * jump.c (jump_optimize_1): Likewise.
15964 (duplicate_loop_exit_test): Likewise.
15965 (thread_jumps): Likewise.
15966 * loop.c (loop_optimize): Likewise.
15967 (combine_givs): Likewise.
15968 (recombine_givs): Likewise.
15969 * reorg.c (dbr_schedule): Likewise.
15970 * unroll.c (unroll_loop): Likewise.
15972 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15974 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15976 * toplev.c (rest_of_compilation): Don't optimize the CFG
15977 when rebuilding, just before dbr.
15979 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15981 * output.h (assemble_end_function, assemble_destructor,
15982 assemble_constructor, assemble_gc_entry, assemble_global,
15983 assemble_label, output_constant_pool) Constify a char*.
15985 * varasm.c (assemble_destructor, assemble_constructor,
15986 assemble_gc_entry, assemble_end_function, assemble_global,
15987 assemble_label, output_constant_pool): Likewise.
15989 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15991 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15992 explaining what is goin on in this function.
15994 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15996 * regclass.c (record_reg_classes): In matching case, recompute
15997 costs since the direction of movement is different.
15999 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16001 * resource.c (mark_target_live_regs): For unconditional branches,
16002 the resources found at the branch target should be added to the
16003 resources found so far, not intersected.
16005 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
16007 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
16009 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
16010 (sys/mman.h): Include this file only if #HAVE_MMAP.
16011 (run_compiles): Initialize `esac_fmt' with one old KR string, not
16012 with automatically concatenated ANSI strings.
16014 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
16016 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
16017 (DIV_ROUND_UP): Robustify.
16018 (ggc_recalculate_in_use_p): New function.
16019 (release_pages): Don't inline it.
16020 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
16022 (ggc_pop_context): Use ggc_recalculate_in_use_p.
16023 (clear_marks): Always save in_use_p.
16024 (sweep_pages): Use ggc_recalculate_in_use_p.
16025 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
16026 Release pages before counting statistics.
16028 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
16030 * toplev.c (rest_of_compilation): Fix thinko in this change:
16032 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16034 (rest_of_compilation): If inside an inlined external function,
16035 pretend we are just being declared.
16037 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
16039 * flow.c (calculate_global_regs_live): Fix thinko.
16041 * integrate.c (expand_inline_function): Fix bugs in previous
16042 change from Oct 28, 1999.
16044 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
16046 * stmt.c (expand_value_return): Fix typo in this change:
16048 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16049 (expand_value_return): Correctly convert VAL when promoting function
16050 return; support RETURN_REG being a PARALLEL.
16052 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
16054 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
16056 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16058 * hard-reg-set.h (reg_names): Constify a char*.
16060 * regclass.c (reg_names): Likewise.
16062 * regs.h (reg_names): Likewise
16064 * a29k/a29k.c (reg_names): Delete declaration.
16066 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
16068 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
16069 arc_output_function_epilogue): Likewise.
16071 * elxsi/elxsi.c (reg_names): Likewise.
16073 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
16075 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
16078 * m88k/m88k.c (output_function_profiler): Likewise.
16080 * sparc/sparc.c (sparc_flat_output_function_prologue,
16081 sparc_flat_output_function_epilogue): Likewise.
16083 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
16085 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
16086 warning from -Wuninitialized and put it under -W.
16087 * function.c (uninitialized_vars_warning): Warn only when the
16088 corresponding flag is set.
16090 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
16092 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
16093 is nonzero and the single set does not have an elt, then assign
16096 * simplify-rtx.c: New file.
16097 * Makefile.in (OBJS): Add simplify-rtx.o
16098 (simplify-rtx.o): Add dependencies.
16099 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
16100 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
16101 (cse_gen_binary, simplify_unary_operation): Delete.
16102 (simplify_binary_operation, simplify_plus_minus): Likewise.
16103 (check_fold_consts, simplify_relation_operation): Likewise.
16104 (simplify_ternary_operation): Likewise.
16105 (delete_trivially_dead_insns): Simplify the contents of the
16106 REG_EQUAL note before trying to substitute it into the source
16107 of the reg-reg copy at the end of a libcall sequence.
16109 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
16110 references/callers changed.
16112 * mn10200.c (mn10200_va_arg): Force the return value into a
16115 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
16117 * cccp.c (macroexpand): Avoid out of range accesses for omitted
16120 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
16122 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
16124 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
16126 * fold-const.c (fold): Fix thinko when optimizing comparisons
16129 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
16131 * gcc.texi (Passes): Update front-end files to their current
16134 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
16136 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
16137 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
16138 (PREDICATE_CODES): Add addition_operation.
16139 * alpha-protos.h (addition_operation): Declare.
16140 (secondary_reload_class): Likewise.
16141 * alpha.c (addition_operation): New.
16142 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
16143 * alpha.md (adddi3): Turn into expander.
16144 (*lda, *adddi_2): New.
16145 (movsf, movdf patterns): Don't preference integer regs.
16146 (movsi, movdi patterns): Don't preference fp regs.
16148 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
16150 * genrecog.c (write_switch): Check for duplicate CODE cases.
16152 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
16154 * ggc-common.c: Update pre-function commentary.
16155 * ggc-page.c: Likewise.
16157 (poison_pages): Use memset directly.
16158 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
16159 (ggc_collect): Poison before sweeping.
16160 * ggc-simple.c: Update pre-function commentary.
16161 (ggc_alloc_obj): Poison non-zeroed memory.
16163 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
16165 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
16166 match format string, even on 64-bit hosts.
16167 * gcc-page.c (ggc_page_print_statistics): Likewise.
16169 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
16171 * config/i386/i386.c (ix86_cpu): Revert last patch.
16172 * config/i386/i386.h (ix86_cpu): Ditto.
16174 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
16176 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
16177 TYPE_SIZE, convert type of result to sizetype.
16179 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
16181 * flow.c (count_or_remove_death_notes): Equate NULL with the
16184 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
16185 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
16188 * i386.c (pic_label_no): Delete.
16189 (ix86_attr_length_default): Don't use single_set to peek
16192 * recog.c (peephole2_optimize): Allow recog_next_insn to index
16193 the first insn after bb->end.
16194 * i386.md (push mem peeps): Scratch is live after evaluation
16196 (cmp mem peep): Similarly.
16198 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
16200 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
16201 * function.c (pad_to_arg_alignment): Add missing braces.
16203 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16205 * alpha/alpha-protos.h (literal_section): Add prototype.
16206 (alpha_need_linkage, alpha_start_function,alpha_end_function):
16209 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16211 (alpha_start_function, alpha_end_function, float_strings,
16212 alpha_need_linkage): Constify a char*
16214 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16216 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16218 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16220 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16222 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16224 * flow.c (debug_flow_info): Add prototype.
16226 * gcc.c (main): Likewise.
16228 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16231 * reload1.c (failed_reload, set_reload_reg): Likewise.
16233 * mips-tfile.c (main): Likewise.
16234 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16235 with ATTRIBUTE_NORETURN.
16237 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16239 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16240 DECL is not a memory ref.
16242 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16244 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16245 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16247 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16249 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16250 * config/mips/elf64.h: ditto.
16252 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16254 * expr.c (emit_push_insn): New argument alignment_pad.
16255 Update all callers. Adjust stack pointer based on alignment pad.
16256 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16257 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16258 (locate_and_pad_parm): New argument alignment_pad. Update all
16260 * expr.h (emit_push_insn): Update prototype.
16261 (locate_and_pad_parm): Update prototype.
16262 * calls.c (arg_data): Add new field alignment_pad.
16263 (initialize_argument_information): Initialize alignment_pad.
16265 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16267 * except.c (free_eh_nesting_info): Free the info itself.
16268 * function.c (free_after_compilation): Don't free NULL.
16269 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16270 (pre_edge_insert): Free inserted.
16271 * stmt.c (free_stmt_status): Don't free NULL.
16273 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16275 * gcov.c (DIR_SEPARATOR): Provide default.
16276 (output_data): Add test for MS-DOS format absolute filename.
16277 (fancy_abort): Correct program name.
16278 (open_files): Open all files in binary mode.
16279 * libgcc2.c (__bb_exit_func): Likewise.
16281 * profile.c (init_branch_prob): Specify binary when opening files.
16283 * flags.h (flag_unwind_tables): New decl.
16284 * toplev.c (flag_unwind_table): New definition.
16285 (f_options): Add -funwind-tables.
16286 (decode_g_option): Clarify warning when unknown -g option is given.
16287 (rest_of_compilation): If inside an inlined external function,
16288 pretend we are just being declared.
16290 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16291 (dwarf2out_frame_finish): Likewise.
16293 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16295 * fold-const.c (merge_ranges): If not in0, but in1, handle
16296 upper bounds equal like subset case.
16298 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16300 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16301 passed in a register but moved to the stack.
16303 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16305 * gcc.c (pass_exit_codes, greatest_status): New variables.
16306 (struct option_map): Add entry for "--pass-exit-codes".
16307 (execute): Update greatest_status if error.
16308 (display_help): Add documentation for -pass-exit-codes.
16309 (process_command): Handle -pass-exit-codes.
16310 (main): Look at pass_exit_codes and greatest_status on call to exit.
16312 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16314 * reload.c (find_reloads): Refine test for no input reload
16315 case to not includes reloads emitted after insn.
16317 * function.c (find_temp_slots_from_address): Handle sum involving
16318 a register that points to a temp slot.
16319 (update_temp_slot_address): Make recursive call if both old and
16320 new are PLUS with a common operand.
16321 * calls.c (expand_call): Mark temp slot for result as having
16324 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16326 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16327 component as well as "BINUTILS".
16329 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16330 * integrate.c (copy_rtx_and_substitute): Likewise.
16331 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16332 All callers changed.
16333 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16335 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16336 gdb extensions, write size of type; also be more consistent
16337 in using references when this is a subtype.
16339 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16340 that is out of range.
16342 * loop.c (unknown_constant_address_altered): New variable.
16343 (prescan_loop): Initialize it.
16344 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16345 (invariant_p, case MEM): Remove handling for volatile and readonly;
16346 check new variable if readonly.
16347 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16349 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16350 (addr_affects_sp_p): Removed from note_mem_written and only
16351 define #ifdef AUTO_INC_DEC.
16353 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16355 * regclass.c (record_reg_classes): Properly handle register move
16358 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16359 Don't think valid if both operands are invalid.
16360 (struct constant_descriptor): New field RTL.
16361 (mark_const_hash_entry): Mark it.
16362 (record_constant{,_rtx}): Initialize it.
16363 (output_constant_def): Allocate RTL in permanent obstack and
16365 ({record,compare}_constant_1): Modes must match for
16366 CONSTRUCTOR of ARRAY_TYPE.
16368 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16369 * output.h (initializer_constant_valid_p): Move decl to here.
16370 * c-common.c (initializer_constant_valid_p): Delete function from here.
16371 * varasm.c (initializer_constant_valid_p): Move function to here.
16373 * tree.h (STRIP_SIGN_NOPS): New macro.
16374 * fold-const.c (optimize_minmax_comparison): New function.
16375 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16376 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16377 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16378 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16379 widening conversions.
16380 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16381 to look at size of mode, not precision of type; also add missing cases.
16382 (optimize_bit_field_compare, decode_field_reference): Don't try to
16383 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16385 * dwarf2out.c (ctype.h): Include.
16386 (dwarf2out_set_demangle_name_func): New function.
16387 (size_of_line_info): Deleted.
16388 (output_line_info): Compute size of line info table from difference
16390 (base_type_die, add_name_attribute): Call demangle function, if any.
16391 (field_byte_offset): Use bits per word for variable length fields.
16392 (gen_array_type_die): Add array name.
16393 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16394 (dwarf2out_add_library_unit_info): New function.
16396 * explow.c (set_stack_check_libfunc): New function.
16397 (stack_check_libfunc): New static variable.
16398 (probe_stack_range): Allow front-end to set up a libfunc to call.
16400 * combine.c (simplify_comparison): When making comparison in wider
16401 mode, check for having commuted an AND and a SUBREG.
16402 (contains_muldiv): New function.
16403 (try_combine): Call it when dividing a PARALLEL.
16404 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16405 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16407 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16408 use one of the CLOBBERs instead.
16409 (if_then_else_cond): If comparing against zero, just return thing
16412 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16413 Don't generate shifts and subtract if have conditional arithmetic.
16415 * rtl.h (delete_barrier): New declaration.
16416 * jump.c (jump_optimize): Set up to handle conditional call.
16417 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16418 (delete_barrier): New function.
16420 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16422 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16424 * tree.c (build_type_attribute_variant): Push to obstack of
16425 ttype around type_hash_canon call.
16427 * expr.c (placeholder_list): Move decl to file scope.
16428 (expand_expr): Don't force access to volatile just because its
16430 If ignoring reference operations, just expand the operands.
16431 (expand_expr, case COMPONENT_REF): Propagate
16432 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16433 Refine test for using bitfield operations vs pointer punning.
16434 (expand_expr, case CONVERT_EXPR): If converting to
16435 BLKmode UNION_TYPE from BLKmode, just return inner object.
16436 Use proper mode in store_field call.
16437 Properly set sizes of object to store and total size in store_field
16438 call for convert to union.
16439 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16440 memory (like for ADDR_EXPR). Also, don't put constant in register if
16441 we'll want it in memory.
16442 (readonly_fields_p): New function.
16443 (expand_expr, case INDIRECT_REF): Call it if LHS.
16444 (expand_assignment): Handle a RESULT_DECL where
16445 DECL_RTL is a PARALLEL.
16446 (do_jump, case WITH_RECORD_EXPR): New case.
16447 (get_inner_reference): Always go inside a CONVERT_EXPR
16448 and NOP_EXPR if both modes are the same.
16449 (store_field): Use bitfield operations if size of bitsize is not same
16450 as size of RHS's type.
16451 Check for bitpos not a multiple of alignment in BLKmode case.
16452 Do block move in largest possible alignment.
16453 (store_constructor): Set BITSIZE to -1 for variable size and properly
16454 in case of array of BLKmode.
16455 (expand_expr_unaligned): New function.
16456 (do_compare_and_jump): Call it.
16458 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16459 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16460 does not include 'o'.
16462 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16463 both SET_DEST and SET_SRC reference a virtual register.
16464 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16466 * integrate.c (expand_inline_function): Handle case of setting
16467 virtual stack vars register (from built in setjmp); when parameter
16468 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16469 (subst_constant): Add new parm, MEMONLY.
16470 (expand_inline_function, integrate_parm_decls): Pass new parm.
16471 (integrate_decl_tree): Likewise.
16472 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16473 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16474 (copy_rtx_and_substitute, case SET): Add explicit calls to
16475 copy_rtx_and_substitute for both sides.
16477 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16479 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16480 within INDEX_TYPE, instead of before.
16481 (fixup_gotos): Use f->target_rtl, not the next insn,
16482 since latter may be from a later fixup.
16483 (expand_value_return): Correctly convert VAL when promoting function
16484 return; support RETURN_REG being a PARALLEL.
16485 (expand_return): When checking for result in regs and having
16486 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16488 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16490 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16491 last_nominal_fname): Mark const.
16492 (struct include_hash: name, nshort, control_macro): Mark
16494 (struct macrodef: symnam): Mark const.
16495 (struct if_stack: fname): Mark const.
16496 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16497 (IStable): New character-syntax array which encompasses all
16498 the old is_foo arrays.
16499 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16500 is_space): New macros for interrogating IStable.
16501 (check_macro_name): Kill last argument. All callers changed.
16503 * cppinit.c (initialize_char_syntax): Delete.
16504 (is_idchar, is_idstart, is_hor_space, is_space,
16505 trigraph_table): Delete.
16506 (IStable): New. Initialize with clever macros to avoid
16507 information duplication.
16508 (builtin_array): Table of builtins to get rid of explicit list
16509 in initialize_builtins.
16510 (initialize_builtins): Use builtins_array.
16511 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16512 opts->dollars_in_ident.
16514 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16516 (cpp_parse_expr): Avoid 'format string is not constant'
16517 warning. Use ISGRAPH to identify printable chars.
16518 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16520 (read_and_prescan): Map trigraphs to chars with open-coded
16521 if-else-if-... sequence, not a lookup table.
16522 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16524 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16525 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16526 (check_macro_name): Remove ability to report an invalid
16527 assertion name, which is never used.
16528 (do_line): Constify a couple of char *'s.
16529 * cppmain.c (main): Call cpp_cleanup before returning.
16531 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16533 * ggc.h (struct ggc_statistics): New type.
16534 (ggc_get_size): New function.
16535 (ggc_print_statistics): Likewise.
16536 * ggc-common.c (ggc_stats): New variable.
16537 (ggc_mark_rtx_children): Keep statistics.
16538 (ggc_mark_tree_children): Likewise.
16539 (ggc_print_statistics): New function.
16540 * ggc-page.c (struct globals): Add bytes_mapped field.
16541 (alloc_anon): Update it.
16542 (release_pages): Likewise.
16543 (ggc_get_size): New function.
16544 (ggc_page_print_statistics): New function.
16545 * ggc-simple.c (ggc_get_size): New function.
16547 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16549 * flow.c (propagate_block): When the last reference to a label
16550 before an ADDR_VEC is deleted because the reference is a dead
16551 store, delete the ADDR_VEC.
16553 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16555 * resource.c (find_free_register): Don't use the frame pointer
16556 if frame_pointer_needed.
16558 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16560 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16561 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16563 * config/i960/i960.c (i960_va_start): New locals base, num.
16564 Use INDIRECT_REF instead of ARRAY_REF on valist.
16565 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16567 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16569 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16571 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16573 * tree.def (PLACEHOLDER_EXPR): Update comments.
16575 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16577 * c-common.c (check_format_info): Avoid non-literal format string
16578 warnings when `first_arg_num' is zero.
16580 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16582 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16584 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16586 * arm.md (casesi_insn): Add a clobber of the condition code
16589 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16591 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16592 used by both cc1 and cc1plus.
16594 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16596 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16597 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16598 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16599 to the value 32 if it has not already been defined.
16600 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16601 Override definition in arm.h with a value of 8.
16603 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16605 * c-pragma.c (push_alignment): Don't check the return value
16608 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16610 * sparc.h (ADJUST_COST): Fix thinko.
16612 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16614 * cccp.c (rescan): Fixed obp pointer handling around call to
16615 check_expand subroutine.
16617 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16619 * gcse.c (delete_null_pointer_checks): Only record non-null info
16620 for pseudos when examining stores.
16622 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16623 splitters for these patterns. Use "#" for output templates.
16624 (addsi3_carryin_shift): New pattern.
16626 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16628 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16629 of the function return register into a plain REG until
16630 after function inlining is done.
16632 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16634 * jump.c (jump_optimize_1): If we did cross-jumping, and
16635 the data will matter, rebuild the CFG.
16636 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16637 not optimizing. Don't run shorten_branches.
16638 * toplev.c (rest_of_compilation): Run shorten_branches after
16641 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16643 * rtl.h (note_stores): Add additional paramter.
16644 * rtlanal.c (reg_set_p_1): Take additional paramter.
16645 (reg_set_last_1): Likewise.
16646 (reg_set_p): Adjust call to note_stores.
16647 (reg_set_last): Likewise.
16648 (note_stores): Pass data parameter to worker function.
16649 * alias.c (record_set): Take additional parameter.
16650 (init_alias_analysis): Pass it.
16651 * caller-save.c (mark_set_regs): Take additional parameter.
16652 (save_call_clobbered_regs): Pass NULL to note_stores.
16653 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16655 (record_dead_and_set_regs_1): Likewise.
16656 (reg_dead_at_p_1): Likewise.
16657 (combine_instructions): Adjust calls to note_stores.
16658 (try_combine): Likewise.
16659 (record_dead_insn): Remove.
16660 (record_dead_and_set_regs): Adjust calls to note_stores.
16661 (reg_dead_at_p): Likewise.
16662 * cse.c (invalidate_skipped_set): Take additional parameter.
16663 (cse_check_loop_start): Likewise.
16664 (cse_check_loop_start_value): Remove.
16665 (cse_set_around_loop): Adjust calls to note_stores.
16666 * flow.c (notice_stack_pointer_modification): Take additional
16667 parameter. Remove duplicate declaration.
16668 (record_volatile_insns): Adjust calls to note_stores.
16669 * gcse.c (record_set_info): Take additional parameter.
16670 (record_last_set_info): Likewise.
16671 (invalidate_nonnull_info): Likewise.
16672 (record_set_insn): Remove.
16673 (compute_sets): Adjust calls to note_stores.
16674 (last_set_insn): Remove.
16675 (compute_hash_table): Adjust calls to note_stores.
16676 (insert_insn_end_bb): Likewise.
16677 (delete_null_pointer_checks): Likewise.
16678 * global.c (mark_reg_store): Take additional parameter.
16679 (mark_reg_clobber): Likewise.
16680 (reg_becomes_live): Likewise.
16681 (global_conflicts): Adjust calls to note_stores.
16682 (build_insn_chain): Likewise.
16683 * integrate.c (note_modified_parmregs): Take additional parameter.
16684 (mark_stores): Likewise. Make it static.
16685 (save_for_inline_nocopy): Adjust calls to note_stores.
16686 (try_constants): Likewise.
16687 * integrate.h (mark_stores): Remove declaration.
16688 * jump.c (mark_modified_reg): Take additional parameter.
16689 (thread_jumps): Adjust calls to note_stores.
16690 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16692 (no_equiv): Likewise.
16693 (reg_is_set): Likewise.
16694 (validate_equiv_mem): Adjust calls to note_stores.
16695 (update_equiv_regs): Likewise.
16696 (block_alloc): Likewise.
16697 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16698 (note_addr_stored): Take additional parameter.
16699 (note_set_pseudo_multiple_uses): Likewise.
16700 (record_initial): Likewise.
16701 (prescan_loop): Adjust calls to note_stores.
16702 (strength_reduce): Likewise.
16703 (check_dbra_loop): Likewise.
16704 * regmove.c (flags_set_1): Take additional paramter.
16705 (mark_flags_life_zones): Adjust calls to note_stores.
16706 * reload1.c (mark_not_eliminable): Take additional parameter.
16707 (forget_old_reloads_1): Likewise.
16708 (reload_cse_invalidate_rtx): Likewise.
16709 (reload_cse_check_clobber): Likewise.
16710 (reload_combine_note_store): Likewise.
16711 (move2add_note_store): Likewise.
16712 (reload): Adjust calls to note_stores.
16713 (reload_as_needed): Likewise.
16714 (emit_reload_insns): Likewise.
16715 (reload_cse_regs_1): Likewise.
16716 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16717 (reload_combine): Adjust calls to note_stores.
16718 * resource.c (update_live_status): Take additional paramter.
16719 (mark_target_live_regs): Adjust calls to note_stores.
16720 * stupid.c (find_clobbered_regs): Take additional parameter.
16721 (stupid_life_analysis): Adjust calls to note_stores.
16723 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16725 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16728 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16731 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16732 of the variable arm_structure_size_boundary.
16734 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16736 * alias.c (init_alias_analysis): Allocate reg_known_value and
16737 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16739 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16740 * cse.c (cse_main): Call end_alias_analysis.
16741 * haifa-sched.c (schedule_insns): Likewise.
16742 * local-alloc. (update_equiv_regs): Likewise.
16743 * reload1.c (reload_cse_regs): Likewise.
16745 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16747 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16748 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16749 mapping from MASK_FPU.
16751 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16753 * sparc.md (call): Don't bound structure return size to 0xfff.
16755 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16757 * resource.c (mark_target_live_regs): Check that the target
16758 insn wasn't created after compute_bb_for_insn.
16760 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16762 * ggc-page.c (poison_pages): Don't be overzealous.
16764 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16766 * alias.c: Update comments for ADDRESS.
16767 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16768 it is a local memory reference.
16770 * c-typeck.c (build_function_call): Check that the built-in
16771 function is of class BUILT_IN_NORMAL before trying to recongize
16772 it as BUILT_IN_ABS.
16773 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16774 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16776 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16778 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16780 (pre_gcse): Likewise.
16781 (hoist_expr_reaches_here_p): Likewise.
16782 (hoist_code): Likewise.
16783 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16785 (pre_expr_reaches_here_p_work): ... here.
16786 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16788 (expr_reaches_here_p_work): ... here.
16790 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16792 * resource.c (find_basic_block): Delete.
16793 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16794 (init_resource_info): Call compute_bb_for_insn.
16796 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16798 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16799 with already adjacent blocks, but no fallthru.
16800 (merge_blocks_move_successor_nojumps): Simplify.
16801 (debug_flow_info): New.
16803 * toplev.c (rest_of_compilation): Open jump1 dump file before
16804 jump and close after, as opposed to just using dump_rtl.
16806 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16808 * reload.h (earlyclobber_operand_p): Declare.
16809 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16810 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16811 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16812 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16814 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16815 Richard Henderson <rth@cygnus.com>
16817 * emit-rtl.c (emit_block_insn_before): New.
16818 (emit_block_insn_after): New.
16819 * basic-block.h: Declare them.
16821 * bitmap.h: Protect from multiple inclusion.
16823 * recog.c (scratch_operand): Handle VOIDmode correctly.
16825 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16827 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16828 * function.c (assign_parms): Likewise.
16829 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16831 * reg-stack.c (max_uid): Remove.
16832 (blocks, block_begin, block_end, block_drops_in): Remove.
16833 (block_stack_in, block_out_reg_set, block_number): Remove.
16834 (struct block_info_def, BLOCK_INFO): New.
16835 (enum emit_where): New.
16836 (current_block): New.
16837 (BLOCK_NUM): Remove.
16838 (mark_regs_pat, record_label_references): Remove.
16839 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16841 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16842 (reg_to_stack): Simplified test for existance of fp code. Use
16843 flow.c code. Call shorten_branches after cross-jump opt.
16844 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16845 Return false if the asm doesn't use stack regs. Don't do life
16846 analysis on the asm.
16847 (emit_pop_insn): Replace function pointer arg `when' with
16848 enum `where'. Update all callers.
16849 (change_stack): Likewise. Update basic block end.
16850 (emit_swap_insn): Use current_block->head to limit reverse search
16851 for start of block. Use emit_block_insn_after.
16852 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16853 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16854 structure assignment instead of bcopy.
16855 (print_stack): New.
16856 (convert_regs_entry, convert_regs_exit): New.
16857 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16858 Work on basic blocks and the CFG.
16859 (convert_regs): Use them.
16861 * i386.c (output_fix_trunc): Remove code for DImode input operand
16862 not at top-of-stack.
16863 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16865 (fix_truncdi_1): Allow any mode scratch.
16867 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16869 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16870 * linux.h, netbsd.h, vms.h: Not here.
16872 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16874 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16875 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16876 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16877 CONDITIONAL_REGISTER_USEAGE): Use them.
16878 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16879 gen_conditional_branch,override_options) : Use them.
16880 * config/mips/mips.md : Use them.
16882 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16884 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16886 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16888 * integrate.c (function_cannot_inline_p): Don't allow inlining
16891 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16893 * c-parse.in (cast_expr): Constify.
16895 * cccp.c (special_symbol): Likewise.
16897 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16899 * dwarf2out.c (base_type_die): Likewise.
16901 * global.c (allocno_compare): Likewise.
16903 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16905 * regclass.c (fix_register): Likewise.
16907 * rtl.h (fix_register): Likewise.
16909 * stupid.c (stupid_reg_compare): Likewise.
16911 * toplev.c (decode_f_option): Likewise.
16913 * tree.c (build_complex_type): Likewise.
16915 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16917 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16919 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16921 * reload.c (find_reloads): Compute mode and nregs fields of all
16923 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16924 (calculate_needs): Use precomputed mode/nregs values.
16925 (allocate_reload_reg): Likewise.
16927 (failed_reload, set_reload_reg): ... new functions.
16928 (choose_reload_regs_init): New function, mostly broken out from...
16929 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16930 Also lose one #if 0 block.
16932 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16934 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16937 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16939 * tree.h (BLOCK_TYPE_TAGS): Remove.
16940 (BLOCK_END_NOTE): Likewise.
16941 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16942 (BLOCK_LIVE_RANGE_START): Likewise.
16943 (BLOCK_LIVE_RANGE_END): Likewise.
16944 (tree_block): Remove live_range_flag, live_range_var_flag, and
16945 type_tags. Remove end_note, live_range_start, and live_range_end.
16946 (remember_end_note): Remove prototype.
16947 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16948 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16950 * ggc-common.c (ggc_mark_tree_children): Don't mark
16951 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16952 * integrate.c (adjust_copied_decl_tree): Remove.
16953 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16954 * stmt.c (last_block_end_note): Remove.
16955 (init_stmt): Don't add a GC root for it.
16956 (expand_fixup): Don't set it.
16957 (remember_end_note): Remove.
16958 (expand_end_bindings): Don't set last_block_end_note.
16960 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16962 * reload1.c (reload_reg_free_for_value_p): Show
16963 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16966 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16968 * expmed.c (extract_bit_field): Allow for the case of non-integer
16969 objects that are smaller than a word (like SFmode on a 64-bit
16972 * loop.c (basic_induction_var): A non-integer variable which is
16973 being set by a paradoxical subreg is probably not a biv.
16975 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16977 * prefix.c (translate_name) Check for empty prefix string.
16979 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16981 * Makefile.in (CPP_CROSS_NAME): New variable.
16982 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16984 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16985 names of the files to be uninstalled.
16987 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16989 * collect2.c (IS_DIR_SEPARATOR): Define.
16990 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16992 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16995 * haifa-sched.c (add_dependence): Update the true dependency
16996 cache the first time we add a true dependence to the LOG_LINKS chain.
16998 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
17000 * fold-const.c (fold): Fix comment.
17002 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17004 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
17005 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
17006 dbxout_start_new_source_file, dbxout_source_file,
17007 dbxout_source_line, dbxout_finish, dbxout_type_fields,
17008 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
17010 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
17011 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
17012 (dbxout_block): Initialize variable `blocknum'.
17014 * dbxout.h (dbxout_init, dbxout_finish,
17015 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
17016 dbxout_args, dbxout_source_line): Constify a char*.
17018 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
17019 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
17020 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
17021 low_pc_attribute, high_pc_attribute, body_begin_attribute,
17022 body_end_attribute, comp_dir_attribute, sf_names_attribute,
17023 src_info_attribute, mac_info_attribute, producer_attribute,
17024 lookup_filename, generate_macinfo_entry, fundamental_type_code,
17025 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
17026 dwarfout_undef): Constify a char*.
17027 (add_incomplete_type, retry_incomplete_types): Add prototypes.
17029 * dwarfout.h (dwarfout_define, dwarfout_undef,
17030 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
17032 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
17034 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
17035 (MULTILIB_ISA_DEFAULT): New.
17036 (MULTILIB_DEFAULTS): Use it.
17037 * config/mips/mips.c (): Remove the now unnecessary definition
17038 of MIPS_ISA_DEFAULT.
17039 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
17040 unnecessary definition.
17042 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
17044 * arm.md (pic_load_addr): Add constraints to operand 1.
17046 1999-10-25 Bruce Korb <autogen@linuxbox.com>
17048 * fixinc/genfixes: Provide a means for specifying -D options to
17051 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
17053 * arm.c (arm_override_options): Correct initialization of
17054 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
17055 arm_is_strong, and arm_is_6_or_7.
17057 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
17058 (note_set_pseudo_multiple_uses): New function.
17059 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
17060 if a pseudo set in the loop exit is used elsewhere.
17062 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
17064 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
17066 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
17068 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
17069 a single load-address pattern.
17071 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
17073 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
17074 depending on whether or not line-number notes are present.
17076 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17078 * cccp.c (progname, file_buf, default_include, include_file,
17079 macrodef, definition, hashval, wchar_type, user_label_prefix,
17080 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
17081 expand_to_temp_buffer, is_system_include, base_name,
17082 absolute_filename, read_name_map, open_include_file,
17083 record_control_macro, check_precompiled, check_preconditions,
17084 pcfinclude, pass_thru_directive, create_definition,
17085 check_macro_name, comp_def_part, collect_expansion,
17086 check_assertion, read_token_list, assertion_install,
17087 assertion_lookup, eval_if_expression, conditional_skip,
17088 validate_else, skip_quoted_string, quote_string, macarg1,
17089 error_from_errno, install, lookup, hashf, dump_defn_1,
17090 perror_with_name, pfatal_with_name, main, trigraph_pcp,
17091 check_white_space, rescan, handle_directive, monthnames,
17092 special_symbol, do_include, remap_include_file, write_output,
17093 arglist, do_assert, do_unassert, do_line, do_error, do_once,
17094 do_ident, do_sccs, do_xifdef, skip_if_group,
17095 output_line_directive, macroexpand, macarg, change_newlines,
17096 initialize_builtins, make_definition): Constify a char*.
17098 * pcp.h (stringdef): Likewise.
17100 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
17102 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
17105 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
17106 Richard Henderson <rth@cygnus.com>
17108 * alias.c: Include ggc.h.
17109 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
17110 (record_set): Verify enough room in reg_base_value.
17111 (init_alias_analysis): Allocate reg_base_value with xcalloc.
17112 Register it as a GC root.
17113 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
17114 * Makefile.in (alias.o): Depend on ggc.h.
17116 * unroll.c (unroll_loop): Verify the insn before a barrier
17117 is a JUMP_INSN before checking JUMP_LABEL.
17119 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17121 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
17122 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
17123 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
17124 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
17125 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
17126 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
17128 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17130 * output.h (ctors_section, dtors_section, bss_section): Prototype.
17132 * alpha/alpha-interix.h (text_section): Delete prototype.
17133 * alpha/elf.h (text_section): Likewise.
17134 * arm/linux-elf.h (text_section): Likewise.
17135 * arm/linux-telf.h (text_section): Likewise.
17136 * c4x/c4x.h (text_section): Likewise.
17137 * dsp16xx/dsp16xx.h (bss_section): Likewise.
17138 * elfos.h (text_section): Likewise.
17139 * i386/aix386ng.h (text_section): Likewise.
17140 * i386/i386-interix.h (text_section): Likewise.
17141 * i386/sco5.h (text_section): Likewise.
17142 * i386/svr3gas.h (text_section): Likewise.
17143 * nextstep.h (text_section): Likewise.
17144 * psos.h (text_section): Likewise.
17145 * ptx4.h (text_section): Likewise.
17146 * svr3.h (text_section): Likewise.
17147 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
17149 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17151 * final.c (peephole): Delete prototype.
17153 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
17154 (pre_insert_copies): Remove unused variable `bb'.
17156 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
17159 * output.h (peephole): Add prototype.
17161 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
17163 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
17166 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
17168 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
17169 for inlined declarations.
17171 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
17173 * arm.c (logical_binary_operator): New fucntion.
17174 * arm.h (logical_binary_operator): Declare it.
17175 (PREDICATE_CODES): Handle logical_binary_operator.
17176 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
17177 output constraints. Add appropriate splitters.
17178 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
17179 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
17180 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
17182 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17184 * genoutput.c (struct operand_data): New elt eliminable.
17185 (output_operand_data): Write it.
17186 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
17187 (compare_operands): Take it into account.
17188 * recog.h (struct insn_operand_data): New elt eliminable.
17189 * reload1.c (check_eliminable_occurrences, elimination_effects): New
17191 (old_asm_operands_vec, new_asm_operands_vec): Delete.
17192 (eliminate_regs): Move code that detects changes to elimination
17193 target regs into new function elimination_effects.
17194 Delete one #if 0 block.
17195 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
17196 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
17197 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
17198 Only call eliminate_regs for real operands of the insn, not for parts
17199 of its structure or parts matched by things like match_operator.
17200 Use elimination_effects and check_eliminable_occurrences. Use
17201 copy_insn to duplicate the pattern when not in the final pass.
17203 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
17205 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
17208 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17210 * fixinc/README: document the "mach" machine matching test
17211 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17212 * fixinc/fixtests.c: Implement the #else/#endif label test
17213 * fixinc/inclhack.def: utilize these tests and fixes
17214 * fixinc/inclhack.sh: regen
17215 * fixinc/fixincl.x: regen
17216 * fixinc/fixincl.sh: regen
17218 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17220 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17223 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17225 * gcc.1: Document exit codes.
17227 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17229 * calls.c: Include tm_p.h later, so everything we need is defined.
17230 * expr.c: Likewise.
17231 * function.c: Likewise.
17233 * except.c: Include tm_p.h.
17235 * sparc.c: Likewise.
17236 (dwarf2out_cfi_label): Don't prototype.
17237 (check_return_regs, epilogue_renumber,
17238 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17239 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17240 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17241 ultra_schedule_insn): Add static prototype.
17242 (data_segment_operand, text_segment_operand): Call itself with the
17243 proper number of arguments.
17244 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17246 * sparc.h: Move all declarations to sparc-protos.h.
17247 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17250 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17252 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17254 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17255 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17256 ASM_OUTPUT_ASCII): Constify a char*.
17258 * sparc-protos.h: New file for sparc prototypes.
17260 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17262 * function.c (record_insns, contains): Always declare and define.
17263 (record_insns): Mark with ATTRIBUTE_UNUSED.
17265 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17267 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17268 to .section when outputting a .bss section to deal with multiple
17269 .bss input sections (as happens with -fdata-sections)
17270 Also output %progbits, not @progbits so the assembler doesn't treat as
17272 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17274 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17275 thumb parts even when building with non-thumb CPUs, by forcing
17278 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17280 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17281 (movdf_const_intreg_sp64): Similarly.
17283 * local-alloc.c (update_equiv_regs): Check the correct insn
17284 for pre-existing REG_EQUIV notes.
17286 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17288 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17289 block reached by a branch if we're not going to actually process
17292 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17294 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17295 a local extern function declaration.
17297 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17299 * i386.c (ix86_expand_prologue): Properly wrap USE around
17300 reg for CALL_INSN_FUNCTION_USAGE.
17302 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17304 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17305 move between GP_REGs.
17307 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17309 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17310 the mode size when finding out if an offset is legal.
17312 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17314 * basic-block.h (PROP_*): Move constants from ...
17315 * flow.c: ... here.
17316 (compute_bb_for_insn): Free the array before reallocating.
17317 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17318 (allocate_reg_life_data): Reset all reg variables collected by
17320 (get_block_head_tail): Don't convert from bb to block.
17321 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17322 (find_insn_reg_weight): Take block not bb.
17323 (schedule_block): Don't set block num for moved insns.
17324 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17325 (schedule_insns): Do it here instead.
17326 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17327 before update_life_info.
17328 * recog.c (split_all_insns, peephole2_optimize): Update for
17329 new arg to update_life_info.
17330 * rtlanal.c (remove_note): Cope with NULL note.
17331 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17334 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17336 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17338 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17339 block records so that merge_blocks_nomove will clean up correctly.
17340 (split_edge): Handle casesi insns.
17342 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17344 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17346 * pa.md (call, call_value): Do not emit a blockage after restoring
17349 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17351 * c-typeck.c (c_expand_asm_operands): Fix typo.
17353 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17355 * arm.c (fpu_rhs_operand): Verify modes.
17356 (fpu_add_operand): Likewise.
17357 (di_operand): Likewise.
17358 (soft_df_operand): Likewise.
17360 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17362 * arm.c (arm_return_in_memory): APCS rules state that the elements
17363 of a structure returned in a register must be 'integer-like'.
17365 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17367 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17368 in the source tree when the generated targets are out of date
17369 * fixinc/genfixes: Alter it to run individual fixes for make.
17370 * fixinc/README: rewrite
17371 * fixinc/inclhack.def: moved initial comments to README
17373 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17375 * toplev.c (main): Do not generate an error message if an
17376 unrecognised command line switch is recognisable by another
17377 language. If extra_warnings are enabled, then generate a
17378 warning message instead.
17380 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17382 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17383 (insert_pack_attributes): Delete prototype.
17385 * c-pragma.c (default_alignment): New static variable.
17386 (push_alignment): Initialize to current effective alignment.
17387 (pop_alignment): Use to set new alignment.
17388 (insert_pack_attributes): Delete function.
17389 (handle_pragma_token): Set default_alignment as well each time
17390 a #pragma pack(<n>) is encountered.
17392 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17394 * reg-stack.c (stack_result): Aggregates are not returned in
17397 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17399 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17401 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17403 * basic-block.h (set_block_num): Declare.
17404 * flow.c (update_life_info): Don't call compute_bb_for_insn
17405 or free_basic_block_vars.
17406 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17407 (insn_orig_block): Remove.
17408 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17409 (schedule_block): Keep BLOCK_NUM up-to-date.
17410 (schedule_insns): Use compute_bb_for_insn.
17411 * recog.c (split_all_insns): Likewise.
17412 (peephole2_optimize): Likewise.
17414 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17416 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17417 if the pic register is used.
17419 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17421 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17422 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17423 if that tests TREE_PERMANENT.
17425 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17427 * cse.c (invalidate_for_call): Do not remove memory references from
17428 the table here. It's handled elsewhere.
17430 * haifa-sched.c (add_dependence): Protect references to the
17431 true dependency cache with #ifdef INSN_SCHEDULING.
17432 (remove_dependence): Similarly.
17434 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17435 to the cfg code that this is a return instruction.
17436 * mn10300.md (return_internal): Similarly.
17438 * combine.c (get_last_value): If the last set of a register
17439 is after subst_low_cuid, then we can not use it to determine
17440 the register's last value.
17442 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17444 * Makefile.in: Back out previous change.
17446 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17448 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17450 * haifa-sched.c (add_dependence): Only check/update the cache
17452 (remove_dependence): Likewise.
17453 (schedule_insns): Only create the true_dependency_cache if the
17454 average number of instructions in a basic block is very large.
17456 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17458 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17459 (ggc-simple.o): Likewise.
17460 (ggc-page.o): Likewise.
17462 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17464 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17465 Prototype for exported functions.
17466 (pre_lcm, pre_rev_lcm): Remove prototypes.
17467 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17468 (compute_available): Move to lcm.c, and change parameter order.
17469 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17470 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17471 (gcse_main): No longer call compute_preds_succs. Rebuild the
17472 set table after reach pre pass.
17473 (pre_insert_map, pre_delete_map, edge_list): New.
17474 (alloc_pre_mem): Allocate edge vectors.
17475 (free_pre_mem): Delete edge vectors.
17476 (compute_pre_data): Call new edge based lcm routines.
17477 (process_insert_insn): New function.
17478 (insert_insn_end_bb): Use it.
17479 (pre_edge_insert): New function.
17480 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17482 (pre_insert_copies): Revamp using new edge based lcm outputs.
17483 (pre_delete): Likewise.
17484 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17486 (compute_code_hoist_vbeinout): New new edge based routines.
17487 * lcm.c: Remove all the old LCM functions. Replace with new ones
17488 that work with the new cfg datastructures and work with edges
17491 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17493 * reload.h (struct reload): Add new fields "mode" and "nregs".
17494 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17495 to reference the "mode" and "nregs" field within struct reload.
17497 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17499 * haifa-sched.c (true_dependency_cache): New.
17500 (add_dependence): Use the true dependency cache to avoid expensive
17501 walks down the LOG_LINKS dependency list. Add entries to the
17502 cache as necessary.
17503 (remove_dependence): Remove entries from the true dependency cache
17505 (schedule_insns): Allocate and initialize and free the true
17508 * haifa-sched.c (schedule_insns): Do not remove inter-block
17509 dependencies anymore.
17511 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17513 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17514 * i386/t-winnt: Likewise.
17516 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17518 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17520 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17522 * Makefile.in (LANGUAGES): Omit "proto".
17523 (clean): Remove stale comment about removing unprotoize.c.
17525 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17527 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17528 using arithmetic on void pointers.
17530 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17532 * haifa-sched.c (compute_block_forward_dependencies): Only check
17533 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17535 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17537 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17538 (expr_equiv_p): Reject memories with different alias sets.
17540 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17542 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17543 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17544 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17545 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17546 (lang_init): Set default for flag_bounds_check if still "unspecified".
17548 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17550 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17552 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17554 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17557 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17559 * config/c4x/c4x.md (*db_noclobber,
17560 *decrement_and_branch_until_zero_noclobber): New patterns and
17561 associated splitters.
17563 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17565 * config/c4x/c4x.md (parallel instruction patterns): Rework
17566 constraints to keep reload happy.
17568 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17570 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17571 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17572 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17573 Add new patterns and associated post-reload splitters.
17575 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17577 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17579 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17581 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17583 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17585 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17587 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17590 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17592 * pa.c (move_operand): Rely on memory_address_p to determine the
17593 validity of non-indexed memory addresses.
17594 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17595 operand in DFmode and SFmode when generating PA2.0 code.
17597 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17599 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17601 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17603 * mips.c (function_prologue): Fix argument types.
17604 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17605 (casesi_internal): Write to the scratch register.
17607 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17609 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17611 (parse_charconst): Delete unnecessary cast when calling
17613 (cpplib.h): Kill prototype of cpp_parse_escape.
17615 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17617 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17618 * unroll.c (unroll_loop): Cast return value of alloca.
17619 * i370/i370.c: Include function.h and toplev.h.
17620 (i370_label_scan): Remove c++ commented abort.
17621 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17622 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17623 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17624 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17626 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17628 * config/t-freebsd: Do not override USER_H.
17629 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17631 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17632 Mumit Khan <khan@xraylith.wisc.edu>
17634 * c-parse.in (component_decl): Support anonymous struct/union.
17636 * c-parse.y: Regenerate.
17637 * c-parse.c: Likewise.
17638 * objc/objc-parse.y: Likewise.
17639 * objc/objc-parse.c: Likewise.
17640 * c-decl.c (finish_struct): Don't sort the fields.
17641 (field_decl_cmp): Delete unused function.
17643 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17645 * sparc.md (movsf_const_intreg): Revert last constraint change.
17646 (movdf_const_intreg_sp32): Likewise.
17648 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17650 * cse.c: Include hashtab.h instead of splay-tree.h
17651 (struct cse_reg_info): No longer use variant union. Add new
17652 field "regno". All references changed to avoid union.
17653 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17654 (free_cse_reg_info): Remove.
17655 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17656 (get_cse_reg_info): Revamp to use expandable hash tables instead
17657 of splay trees. Initialize new fields in cse_reg_info structure.
17658 (new_basic_block): Similarly.
17660 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17662 * genrecog.c (message_with_line): Prototype.
17663 (validate_pattern): Pass along the set for the dest, not a flag.
17664 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17665 Check for PC/CC0 as sources.
17666 (nodes_identical): Check for children position match before
17667 allowing the combination.
17669 * rtl.c (read_rtx): Track line number across \\\n.
17671 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17673 * mips.h (SPECIAL_MODE_PREDICATES): New.
17674 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17675 (movdi+1, movsi+1): Add output reload constraint.
17676 (casesi_internal): Likewise. Fix commentary.
17677 (return_internal): Use pmode_register_operand.
17679 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17681 * 1750a.md (movstrqi): Add missing output reload constraint.
17682 (call_value): Likewise.
17683 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17684 (jmpfdec): Add missing inout reload constraint.
17685 * elxsi.md (addsi patterns): Add missing output reload constraint.
17686 (move from sp): Use @ alternates.
17687 (call_value): No constraint on output.
17688 * fr30.md (movsi_pop): Add missing output reload constraint.
17689 (movsf_constant_store): Likewise.
17690 (splits): Remove constraints.
17691 (subsi3): Add missing mode.
17692 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17693 (call_value): Likewise.
17694 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17695 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17696 * m32r.md (movsicc_internal): Add output reload constraint.
17697 (movstrsi_internal): Add inout reload constraints.
17698 * m88k.h (reg_names): Don't declare.
17699 (SPECIAL_MODE_PREDICATES): New.
17700 * m88k.md (*): Use register_operand not reg_or_0_operand
17702 * mn10200.h (PREDICATE_CODES): New.
17703 * ns32k.md (ffs pattern): Add output reload constraint.
17704 * pdp11.md (sob pattern): Add inout reload constraint.
17705 * sh.md (splits): Remove constraints.
17706 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17707 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17708 * vax.md (jgequ pattern): Add inout reload constraint.
17710 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17712 * configure.in (djgpp): Revert previous patch.
17713 * configure: Rebuit.
17714 * config/i386/djgpp.h: Revert previous patch.
17716 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17718 * fixinc/inclhack.def: Restore patch lost during last merge of
17719 "no_bogosity" branch.
17720 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17722 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17724 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17725 * fixinc/inclhack.def: Same.
17726 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17728 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17730 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17731 as the base of a PLUS.
17733 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17735 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17736 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17738 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17740 * pa.md (post_stw+1): Use pmode_register_operand.
17741 (dcacheflush, icacheflush): Likewise.
17743 * i386.md (movstricthi_1): Allow r/r.
17745 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17747 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17748 to (not (and (arg0) (arg1))). Similary for and.
17750 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17751 fallthrough to associate code.
17752 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17755 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17756 no bits in common; remove XOR to ROTATE conversion.
17758 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17760 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17762 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17764 * config/c4x/c4x.c (dst_operand): New.
17765 (PREDICATE_CODES): Update.
17766 * config/c4x/c4x.h (dst_operand): Declare it.
17767 * config/c4x/c4x.md: Define mode for each unspec usage.
17768 (move patterns): Use dst_operand predicate instead of src_operand.
17769 (movqi_update, movqf_update): Delete.
17771 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17773 * recog.c (pmode_register_operand): New.
17774 * recog.h: Declare it.
17775 * genrecog.c (pred_codes): Likewise.
17776 (special_mode_pred_table): Likewise.
17777 (validate_pattern): Don't warn no mode for address_operand.
17779 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17780 if the operand is not insn-like.
17782 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17783 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17785 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17787 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17789 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17790 instead of general_operand in a SET_DEST. Use const_double_operand
17791 instead of an explicit test against CONST_DOUBLE.
17792 (movsf_const_lo): Add missing register mode.
17793 (goto_handler_and_restore): Add auxiliary test for Pmode.
17794 (flush): Adjust to use address_operand.
17795 (return_sf_no_fpu): Add missing output constraint.
17797 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17799 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17800 for call return value.
17801 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17803 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17805 * toplev.c (main): Only warn about options for other languages.
17806 * collect2.c (main): Pass -w to sub-gcc.
17808 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17810 * flow.c (propagate_block): Add call-clobbered registers to
17813 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17814 zapping mem_set_list.
17815 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17816 (mark_set_1, mark_used_regs): Likewise.
17818 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17820 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17822 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17824 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17825 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17826 options. Also add a new item "C-only Warning Options" to the
17829 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17831 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17832 from multiple calls.
17834 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17836 * i386.md (call value patterns): Move to the end of the file.
17837 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17839 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17841 * configure.in (djgpp configuration): Define extra_objects..
17842 * configure: Rebuilt.
17843 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17844 (DTORS_SECTION_ASM_OP): Define.
17845 (INIT_SECTION_ASM_OP): Define.
17846 (FINI_SECTION_ASM_OP): Define.
17847 (DATA_SECTION_ASM_OP): Define.
17848 (TEXT_SECTION_ASM_OP): Define.
17849 (EH_FRAME_SECTION_ASM_OP): Define.
17850 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17851 (STARTFILE_SPEC): Add crtbegin.o.
17852 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17853 to here from LINK_COMMAND_SPEC.
17854 (DO_GLOBAL_CTORS_BODY): Define.
17855 (CRTSTUFF_USE_FINI_SECTION): Define
17856 (HAS_INIT_SECTION): Delete.
17858 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17860 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17862 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17864 * pa.h (PREDICATE_CODES): New.
17866 * genrecog.c (validate_pattern): Condense the destination
17867 non-lvalue message.
17869 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17871 * alpha.md (call-1): Supply missing mode for operator.
17872 (*): Add missing output reload constraints. Remove constraints
17873 from define_splits.
17875 * i386.h (SPECIAL_MODE_PREDICATES): New.
17876 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17877 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17878 (addsi_lea_3): Add missing mode for op 3.
17879 (prologue_set_got, prologue_get_pc): Add missing modes.
17880 (*) Add missing output reload constraints.
17882 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17884 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17885 check for member bit-size overflow and use var_size if it occurs.
17886 (layout_record): Use bitsize_int() to define the type size in bits.
17887 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17888 (layout_decl): Likewise when assigning to DECL_SIZE.
17890 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17892 * genrecog.c (validate_pattern): Typo last change. Verify
17893 that output operands have output reloads.
17895 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17897 * genrecog.c (special_mode_pred_table): New.
17898 (NUM_SPECIAL_MODE_PREDS): New.
17899 (find_operand): New.
17900 (validate_pattern): New argument `insn'. Warn for assignment to
17901 any predicate accepting non-lvalues. Conditionaly warn for
17902 match_operand without a mode. Try much harder to match source
17903 and destination modes on a set.
17904 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17906 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17908 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17910 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17912 * combine.c (simplify_logical): Recognize xor pattern that encodes
17915 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17917 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17920 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17922 * ggc-page.c (MAP_FAILED): Provide default.
17924 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17926 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17927 * sparc.h (PREDICATE_CODES): Update.
17929 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17931 * alpha.c (some_ni_operand): New.
17932 * alpha-protos.h: Declare it.
17933 * alpha.h (PREDICATE_CODES): Update.
17934 * alpha.md (sXaddq reload insns): Use some_ni_operand
17935 for SET_DEST instead of some_operand.
17937 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17938 Jim Wilson <wilson@cygnus.com>
17940 * genrecog.c (maybe_both_true_2): Don't compare modes of
17942 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17943 after find_afterward.
17944 (debug_decision_1): Dump next and afterward codes.
17946 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17948 * rtl.c (dump_and_abort): Remove.
17949 (fatal_with_file_and_line): New.
17950 (fatal_expected_char): New.
17951 (read_rtx_lineno, read_rtx_filename): New.
17952 (read_skip_spaces): Track line number.
17953 (read_name): Use fatal_with_file_and_line.
17954 (read_rtx): Use fatal_expected_char. Track line number.
17955 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17957 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17958 if it isn't a CODE_LABEL.
17960 * genattr.c (main): Set read_rtx_filename.
17961 * genattrtab.c (main): Likewise.
17962 * gencodes.c (main): Likewise.
17963 * genconfig.c (main): Likewise.
17964 * genemit.c (main): Likewise.
17965 * genextract.c (main): Likewise.
17966 * genflags.c (main): Likewise.
17967 * genopinit.c (main): Likewise.
17968 * genoutput.c (main): Likewise.
17969 * genpeep.c (main): Likewise.
17971 * genrecog.c (decision_test.u.insn): Add `lineno'.
17972 (pattern_lineno, error_count): New variables.
17973 (message_with_line): New.
17974 (add_to_sequence): Break out checking code to ...
17975 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17976 (merge_insn): Use message_with_line.
17977 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17978 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17980 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17982 * expr.c (store_constructor): Clear union if constructor is empty.
17984 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17986 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17987 Add !endian checks. Change %{...} to %(...).
17989 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17991 * i386.md (*addsi3_cc): Renamed from addcsi3.
17992 (*addsi3_carry): Renamed from addxsi3.
17993 (*subsi3_cc): Renamed from subcsi3.
17994 (*subsi3_carry): Renamed from subxsi3.
17995 (*xorqi_cc_1): Renamed from xorcqi_1.
17996 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17997 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17999 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
18001 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
18002 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
18004 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
18006 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
18007 climb up the chain of insns.
18009 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
18011 * genrecog.c (write_subroutine): Careful for null trees.
18012 (process_tree): Don't elide empty functions.
18014 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
18016 * Makefile.in (genrtl.o): Depend on ggc.h.
18017 * configure.in (valloc): Probe for it.
18018 (with-gc): Use ggc-page if valloc present.
18019 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
18020 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
18021 (ggc_alloc_string): Moved from ggc-page.c.
18022 * ggc-none.c (ggc_alloc_obj): New.
18023 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
18024 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
18025 (struct globals): Likewise for dev_zero_fd.
18026 (init_ggc): Likewise for it's initialization.
18027 (ggc_allocated_p): Move careful dereference from ...
18028 (ggc_lookup_page_table): ... here. Delete.
18029 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
18030 (alloc_anon): Use valloc if no mmap.
18031 (release_pages): Use free if using valloc.
18032 (ggc_alloc_obj): Renamed from alloc_obj.
18033 (ggc_set_mark): Renamed from mark_obj.
18034 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
18035 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
18036 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
18037 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
18038 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
18039 (ggc_collect): Use fp printing instead of our own rounding.
18040 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
18041 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
18042 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
18043 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
18044 (struct ggc_string, struct ggc_any): Delete.
18045 (offsetof): Provide default definition.
18046 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
18048 (struct ggc_mem): New, from corpse of ggc_any.
18049 (struct ggc_status): Delete.
18050 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
18051 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
18052 (n_strings_collected, n_anys_collected): Delete.
18053 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
18054 (ggc_alloc_string, ggc_alloc): Delete.
18055 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
18056 (ggc_free_string, ggc_free_any): Delete.
18057 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
18058 (ggc_compare_addresses, ggc_mark_string): Delete.
18059 (ggc_mark_string_if_gcable, ggc_mark): Delete.
18060 (search_data): Delete.
18061 (struct globals): New.
18062 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
18063 (tree_insert, tree_lookup): New.
18064 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
18065 (clear_marks, sweep_objs): New.
18066 (ggc_collect): Gut. Use clear_marks, sweep_objs.
18067 (init_ggc): Set allocated_last_gc.
18068 (ggc_push_context): Gut. Use G.context.
18069 (ggc_pop_context): Likewise.
18070 (ggc_pop_context_1): New.
18071 (debug_ggc_tree): New.
18072 (debug_ggc_balance, tally_leaves): New.
18073 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
18074 (ggc_mark_string_if_gcable): Remove decl.
18075 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
18076 (ggc_mark_rtvec_children): New.
18077 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
18078 (ggc_mark_if_gcable): New decl.
18079 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
18080 (ggc_alloc_tree, ggc_alloc): Likewise.
18081 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
18082 (ggc_alloc_obj): New decl.
18083 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
18084 (ggc_alloc_tree, ggc_alloc): Likewise.
18085 (ggc_set_mark): New decl.
18086 * rtl.h (struct rtx_def): Remove gc_mark.
18087 (struct rtvec_def): Likewise.
18088 * tree.h (struct tree_common): Likewise.
18090 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
18092 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
18093 float_format and thread_file definitions.
18094 * configure: Rebuilt.
18096 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
18098 * extend.texi (Function Names): Document types of function names.
18100 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18102 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18103 an earlyclobbered output conflict with RELOAD_INPUT reloads.
18105 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18107 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
18109 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18111 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
18113 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
18115 * collect2.c (main): Do prelimnary link on AIX if rflag.
18117 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18119 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
18120 __CTOR_LIST__ in opposite order, which is the correct order for sorted
18122 (__do_global_dtors): similarly for __DTOR_LIST__.
18124 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18125 Diego Novillo <dnovillo@cygnus.com>
18127 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
18130 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
18132 * fixincl/*: Merged "no_bogosity" branch
18133 * fixincl/fixlib.h: protect against doubly defining t_bool
18134 * fixincl/server.h: protect against doubly defining t_bool
18136 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
18138 * genoutput.c: Include toplev.h.
18140 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
18142 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
18144 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
18145 * configure: Regenerate.
18147 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18149 * gcse.c (delete_null_pointer_checks): Returns void.
18151 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18153 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
18154 * emit-rtl.c (copy_insn_1): Likewise.
18156 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18158 * config/mips/mips.c (mips_build_va_list): Correct
18159 TREE_CHAIN setting when hard-float.
18160 (mips_va_start): Use corrected setting.
18161 (mips_va_arg): Likewise. Also pass a tree to build of
18162 POSTINCREMENT_EXPR rather than a naked 'int'.
18164 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
18166 * ggc.h (ggc_push_context): Fix comment.
18167 (ggc_pop_context): Likewise.
18168 (mark_string_if_gcable): Likewise.
18169 * ggc-common.c (ggc_mark_rtx_children): Use
18170 ggc_mark_string_if_gcable.
18171 * ggc-page.c (ggc_lookup_page_table): New function.
18172 (ggc_allocated_p): Likewise.
18173 (mark_obj): Fix formatting.
18174 (ggc_mark_string_if_gcable): New function.
18175 * ggc-simple.c (ggc_allocated_strings): New variable.
18176 (ggc_strings_used): Likewise.
18177 (ggc_compare_addresses): New function.
18178 (ggc_pop_context): Pop the `any' memory too.
18179 (ggc_mark_string_if_gcable): New function.
18180 (ggc_collect): Initialize and tear down ggc_allocated_strings.
18182 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
18184 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
18185 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
18186 * rs6000.c (expand_block_move): Match movstrsi_?reg register
18189 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
18191 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
18192 (sched_reg_live_length, sched_reg_basic_block): Delete.
18193 (current_block_num, bb_live_regs, old_live_regs): Delete.
18194 (dead_notes, struct sometimes): Delete.
18195 (sched_note_set, birthing_insn_p): Delete.
18196 (adjust_priority): Gut useless reg lifetime code.
18197 (create_reg_dead_note, attach_deaths): Delete.
18198 (attach_deaths_insn, new_sometimes_live): Delete.
18199 (finish_sometimes_live): Delete.
18200 (find_pre_sched_live, find_post_sched_live): Delete.
18201 (update_reg_usage): Delete.
18202 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
18203 (schedule_insns): Delete reg lifetime code.
18204 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
18205 (unlink_other_notes): Adjust REG_NOTE commentary.
18206 (reemit_notes): Use REG_SAVE_NOTE.
18207 (schedule_block): Likewise.
18208 (schedule_region): Allocate bitmap of blocks in region. Use
18209 count_or_remove_death_notes. Use update_life_info.
18211 * rtl.h (REG_SAVE_NOTE): New.
18212 * rtl.c (reg_note_name): Update.
18214 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18216 * combine.c (refresh_blocks, need_refresh): New.
18217 (combine_instructions): Allocate refresh_blocks. Invoke
18218 update_life_info if needed.
18219 (distribute_notes): Mark refresh_blocks instead of installing
18221 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18222 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18224 * Makefile.in (recog.o): Depend on basic-block.h.
18226 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18228 * genrecog.c (add_to_sequence): Thinko last change: delete
18229 shadowing allow_const_int variable.
18231 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18233 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18234 __GNUC__ and __GNUC_MINOR__.
18236 * gansidecl.h: Likewise.
18242 * toplev.h: Likewise.
18244 * tree.c: Likewise.
18246 * tree.h: Likewise.
18248 * varray.c: Likewise.
18250 * varray.h: Likewise.
18252 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18254 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18255 use one before a jump table.
18257 * rtl.def (ADDRESS): Change documentation to match reality.
18258 * md.texi: Don't document it.
18259 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18262 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18264 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18266 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18267 known predicate block; default allow_const_int true.
18268 (debug_decision_list): New.
18270 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18272 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18274 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18276 * gcse.c (gcse_main): Avoid global optimizations if we have a
18277 large number of basic blocks and the ratio of edges to blocks
18279 (delete_null_pointer_checks): Likewise.
18281 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18283 * c-common.c (check_format_info): Warn if format string isn't a
18286 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18288 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18289 * configure: regenerate
18291 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18293 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18294 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18295 (peepholes): Re-enable.
18297 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18299 * Makefile.in (flow.o): Depend on TREE_H.
18300 * basic-block.h (REG_SET_EQUAL_P): New.
18301 (XOR_REG_SET): New.
18302 (n_edges): Declare.
18303 (free_regset_vector): Remove declaration.
18304 (flow_delete_insn_chain): Declare.
18305 (enum update_life_extent): New.
18306 (update_life_info, count_or_remove_death_notes): Declare.
18307 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18308 Verify register live at bb->global_live_at_start before adding USE.
18309 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18310 (CLEAN_ALLOCA): New.
18312 (PROP_*): New flags.
18313 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18314 (clear_edges): Zero n_edges.
18315 (make_edge): Increment n_edges.
18316 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18317 (flow_delete_insn_chain): Export.
18318 (delete_block): Decrement n_edges.
18319 (merge_blocks_nomove): Likewise.
18320 (life_analysis): Give life_analysis_1 PROP flags.
18321 (verify_wide_reg_1, verify_wide_reg): New.
18322 (verify_local_live_at_start): New.
18323 (update_life_info): Rewrite to call into propogate_block.
18325 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18326 always mark stack pointer. Conditionally mark PIC register.
18327 After reload, mark call-saved registers, return regsiters.
18328 (life_analysis_1): Accept PROP flags not remove_dead_code.
18329 Call mark_regs_live_at_end before zeroing regs_ever_live.
18330 Use calculate_global_regs_live. Copy global_live_at_end before
18331 calling final propagate_block. Zero reg_next_use on exit.
18332 (calculate_global_regs_live): New.
18333 (allocate_bb_life_data): Don't allocate bb->local_set.
18334 (init_regset_vector, free_regset_vector): Remove.
18335 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18336 Test flags before every operation. Warn if prologue/epilogue insn
18337 would have been deleted.
18338 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18339 Use alloc_EXPR_LIST.
18340 (mark_used_regs): Accept and use FLAGS, not FINAL.
18341 Remove special handling for RETURN.
18342 (try_pre_increment): Use alloc_EXPR_LIST.
18343 (dump_flow_info): Dump n_edges.
18344 (unlink_insn_chain, split_hard_reg_notes): Remove.
18345 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18346 (find_insn_with_note, new_insn_dead_notes): Remove.
18347 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18348 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18349 (replace_insns): Remove.
18350 (count_or_remove_death_notes): New.
18351 (verify_flow_info): Abort on error after all checks.
18352 (remove_edge): Decrement n_edges.
18353 (remove_fake_edges): Tweak format.
18354 * haifa-sched.c (schedule_insns): Use split_all_insns.
18355 * output.h (update_life_info): Remove declaration.
18356 * recog.c (split_all_insns): From the corpse of split_block_insns,
18357 do the whole function block by block. Use update_life_info.
18358 (recog_last_allowed_insn): New.
18359 (recog_next_insn): Mind it.
18360 (peephole2_optimize): Set it. Walk backwards through blocks.
18361 Use update_life_info.
18362 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18363 (split_all_insns): Declare.
18364 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18365 Use split_all_insns.
18367 * i386.md (or -1 peep2s): Disable.
18369 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18371 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18372 a single pattern. Scrap the 'd' versions as unnecessary.
18374 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18375 tablejump_mips162,tablejump_internal4): The operands to a
18376 label_ref must be VOIDmode.
18378 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18380 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18382 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18384 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18386 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18388 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18389 cache every function if ggc_p.
18391 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18393 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18394 instead of copy_rtx. Accept sequences that contain asm statements.
18395 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18396 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18397 orig_asm_operands_vector, copy_asm_operands_vector,
18398 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18400 * rtl.h (copy_insn, copy_insn_1): Declare.
18402 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18404 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18406 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18407 arguments to `current_file_function_operand'.
18409 * genrecog.c: Include hard-reg-set.h and resource.h in the
18410 generated output file.
18412 * real.c: Include tm_p.h.
18414 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18416 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18419 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18421 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18422 before the fctiwz insn.
18424 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18425 Mark Mitchell <mark@codesourcery.com>
18427 * tree.c (make_lang_type_fn): New funtion pointer.
18428 (make_lang_type): Call it.
18429 * tree.h (make_lang_type): Declare.
18430 (make_lang_type_fn): Likewise.
18431 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18433 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18435 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18436 make sure that HIGH instructions are copied into BASE_REGS.
18438 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18440 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18442 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18444 * c-decl.c (finish_struct): Use simpler method of
18445 removing elements of a singly-linked list.
18447 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18449 * alpha.md (peephole2's): Comment out peephole2's that generate
18452 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18454 * genrecog.c (add_to_sequence): Disable mode check for
18457 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18459 * ggc-simple.c (init_ggc): Set empty_string.
18461 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18463 * configure.in: Detect mmap. Add --with-gc=foo to select
18464 garbage collector; default to page if mmap available.
18465 * Makefile.in (GGC): Substitute.
18467 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18469 * c-decl.c (ggc_p): Enable.
18471 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18473 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18475 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18477 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18478 string for little-endian-data.
18480 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18482 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18483 case somebody tries to compile --enable-checking code with gcc
18486 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18488 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18491 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18493 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18494 * jump.c (jump_optimize_1): Document why.
18496 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18498 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18499 pointers and casts for `int_handler' and `quit_handler'.
18501 * flow.c (verify_flow_info, split_hard_reg_notes,
18502 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18503 remove_edge, remove_fake_successors): Add static prototypes.
18504 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18505 (mark_set_1): Initialize variable `regno'.
18506 (unlink_insn_chain): Likewise for variable `curr'.
18507 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18509 * loop.c (strength_reduce): Initialize variable
18510 `unrolled_insn_copies'.
18511 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18512 prototypes. Change these functions to take const PTR parameters
18513 to avoid prototype conflict when used as the comparson argument
18515 (check_dbra_loop): Initialize variable `comparison_val'.
18517 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18518 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18519 (find_valid_class): Initialize variable `best_class'.
18520 (find_reloads): Call memcpy, not bcopy.
18522 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18523 (hard_reg_use_compare): Don't needlessly cast away const.
18524 (reload_reg_class_lower): Likewise.
18525 (choose_reload_regs): Initialize variable `regno'.
18527 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18529 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18531 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18533 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18534 ({,d}discard): Add forward declarations. Declare parameter as
18536 (main_without_main): Explicitly declare return type to be int.
18537 (memcpy): Properly declare.
18539 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18540 building the trampoline support, declare malloc, free, and
18542 (__clear_cache): Mark arguments as potentially unused.
18544 * frame.c (toplevel): If inhibit_libc is defined, declare
18547 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18549 * flow.c (make_edge): Accept an optional 2D bitmap in which
18550 to cache edge existence. Update all callers.
18551 (make_label_edge, make_eh_edge): Pass through the edge cache.
18552 (make_edges): Provide the cache.
18554 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18556 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18558 (local_mbtowc): Change the type of variable `i' from int to size_t.
18560 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18561 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18563 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18565 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18566 after other includes that define the appropriate types. Include
18567 tm_p.h for getting user prototypes.
18568 * ggc-callbacks.c (toplevel): Ditto.
18569 * ggc-none.c (toplevel): Ditto.
18570 * gcc-page.c (toplevel): Ditto.
18571 * ggc-simple.c (toplevel): Ditto.
18573 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18574 Jonathan Larmour <jlarmour@cygnus.co.uk>
18576 * config/mips/mips.c (mips_move_2words): Split doubles if
18577 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18579 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18581 * genrecog.c (struct decision_test): New.
18582 (struct decision): Remove test-related members, sort the rest by size.
18583 (IS_SPLIT): Simplify.
18584 (new_decision, new_decision_test): New.
18585 (add_to_sequence): Use them. No special handling for args of
18587 (maybe_both_true): Renamed from not_both_true; return sense changed.
18588 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18589 of maybe_both_true and adjusted for decision_test.
18590 (position_merit): Remove.
18591 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18592 (merge_accept_insn): New, broken out of merge_trees.
18593 (merge_trees): Use them. No special case for c_test; no node
18594 splitting; use test type instead of position_merit.
18595 (factor_tests): New.
18596 (simplify_tests): New.
18597 (break_out_subroutines): Don't write code now.
18598 (find_afterward): New.
18599 (write_afterward, write_switch, write_cond): New.
18600 (write_action, is_unconditional): New.
18601 (write_node): New. Use them.
18602 (write_tree_1): Rewrite. Use the new functions above.
18603 (write_tree): Remove afterward processing.
18604 (write_subroutine): Simplify function variant emission.
18605 (write_subroutines): New.
18606 (same_codes, clear_codes): Remove.
18607 (same_modes, clear_modes): Remove.
18608 (write_header): New, broken out of main.
18609 (make_insn_sequence): Use new_decision and new_decision_test.
18610 (process_tree): New, broken out of main.
18611 (main): Adjust for merge_trees interface change.
18612 Don't #define operands in the output file.
18613 (record_insn_name): New, broken out of make_insn_sequence.
18614 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18615 (debug_decision): New.
18617 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18619 * resource.c (find_free_register): Mark class_str argument const.
18620 * resource.h: Update prototype to match.
18622 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18623 * i386.md: Give all anonymous insns names.
18625 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18627 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18630 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18632 * toplev.c (dbr_sched_time): Unconditional.
18633 (peephole2_time): New.
18634 (compile_file): Add pass numbers to all of the dump file suffixes.
18635 Dump peephole2_time. Don't dump times for non-applicable passes.
18636 (rest_of_compilation): Add pass numbers to dump file suffixes.
18637 Conditionalize calls to the scheduler.
18638 * invoke.texi: Update.
18640 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18642 * flow.c (make_edges): Fix insn iteration.
18643 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18644 (find_basic_blocks_1): Fix spelling mistake.
18646 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18648 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18649 always have side-effects. Use memset not bzero.
18650 (make_node): Likewise.
18652 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18654 * stmt.c (expand_anon_union_decl): When any of the elements of the
18655 union is addressable, so is the entire union.
18657 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18659 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18661 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18662 * bitmap.c (bitmap_operation): Return true iff TO changed.
18663 (bitmap_equal_p): New.
18664 (bitmap_bit_p): Tidy arithmetic.
18665 (debug_bitmap_file): Likewise.
18667 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18669 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18670 before cse2 instead of after.
18672 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18674 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18677 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18679 * cppinit.c (is_idchar initializer): Loosen tests to accept
18682 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18684 * mips.md: Define conditional move patterns for floating point
18685 operands and DI mode conditions.
18687 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18689 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18690 always have side-effects.
18692 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18694 * mn10200.c (asm_file_start): Fix typo.
18696 * cppinit.c (is_idchar initializer): Tighten tests for when
18697 to put the table into initialized memory.
18699 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18700 not an array of rtunion.
18701 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18702 * gcc-simple (ggc_free_rtvec): Similarly.
18704 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18707 * mbchar.h: Add missing #endif.
18709 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18710 (FPBIT, DPBIT): Define.
18712 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18714 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18716 * profile.c (instrument_arcs, output_gcov_string,
18717 tablejump_entry_p): Add static prototypes.
18718 (output_gcov_string): Constify a char*.
18720 * regmove.c (replacement_quality, fixup_match_2): Add static
18723 * resource.h (reg_dead_p): Add extern prototype.
18725 * rtl.c (trim_filename): Add static prototype.
18727 * scan-decls.c (skip_to_closing_brace): Likewise.
18729 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18730 (expand_end_case): Initialize variable `range'.
18731 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18733 * varasm.c (asm_emit_uninitialised): Add static prototype.
18734 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18737 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18739 * cpplib.c (if_directive_nameo): Add static prototype.
18741 * cse.c (cse_insn): Remove unused variable `p'.
18743 * except.c (create_rethrow_ref, push_entry,
18744 receive_exception_label, new_eh_region_entry, find_func_region,
18745 clear_function_eh_region, process_nestinfo): Add static prototypes.
18746 (get_reg_for_handler): Hide definition.
18747 (process_nestinfo): Initialize variable `extra_handlers'.
18749 * expr.h (expand_builtin_longjmp): Add extern prototype.
18751 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18753 * function.c (prepare_function_start): Likewise.
18754 (pop_function_context_from): Mark parameter `context' with
18756 (push_temp_slots_for_block, flush_addressof): Hide definition.
18758 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18759 solve_program_flow_graph, calculate_branch_probs,
18760 function_summary, main, fancy_abort): Add prototypes.
18762 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18763 (add_hash): Constify a char*.
18765 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18766 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18767 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18769 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18771 * lists.c (free_list, zap_lists): Likewise.
18773 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18775 * alias.c (nonlocal_reference_p): Add static prototype.
18777 * bitmap.c (bitmap_element_allocate): Prototype args in function
18780 * builtins.c (stabilize_va_list): Add static prototype.
18781 (expand_builtin_va_arg): Constify a char*.
18783 * c-lex.c (getch, put_back, extend_token_buffer_to,
18784 read_line_number, token_getch, token_put_back): Add static
18787 * c-parse.gperf (hash, is_reserved_word): Likewise.
18789 * cccp.c (is_dir_separator): Likewise.
18791 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18793 * graph.h: New file to prototype functions exported by graph.c.
18795 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18797 * graph.c: Include graph.h.
18799 * toplev.c: Likewise. Remove redundant prototypes.
18801 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18803 * invoke.texi: Removed duplicated description for -Q.
18805 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18807 * extend.texi: Grammar fix in __extension__ text.
18809 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18811 * md.texi (define_peephole2): New section.
18813 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18815 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18816 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18819 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18821 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18823 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18825 * i386.md (ffs expander): Emit Pentium friendly code for
18828 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18830 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18832 (build1): Likewise.
18834 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18836 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18838 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18840 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18841 register is in use.
18843 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18845 * md.texi (No Constraints): Delete section.
18846 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18847 * final.c (final_scan_insn): We always have register constraints.
18848 * genattrtab.c: Don't include "insn-config.h".
18849 (write_attr_case): We always have register constraints.
18850 * genconfig.c (register_constraint_flag): Delete.
18851 (walk_insn_part): Don't check whether we have register constraints.
18852 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18853 * genoutput.c (have_constraints): Delete.
18854 (main): Don't set it.
18855 (output_operand_data): We always have constraints.
18856 (scan_operands): Likewise.
18857 (compare_operands): Likewise.
18858 * local-alloc.c (block_alloc): We always have constraints.
18859 (requires_inout): Always compile this function.
18860 * recog.c (extract_insn): We always have constraints.
18861 (constrain_operands, reg_fits_class_p): Always compile these
18863 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18865 (struct insn_operand_data): Likewise.
18866 * regclass.c (regclass): We always have constraints.
18867 (record_reg_classes, copy_cost, record_address_regs,
18868 auto_inc_dec_reg_p): Always compile these functions.
18869 * regmove.c (regmove_optimize): We always have constraints.
18870 * reload.c (find_reloads): Likewise.
18871 * reload1.c (reload): Likewise.
18872 (reload_cse_simplify_operands): Likewise.
18873 * i860.c (output_delay_insn): Likewise.
18875 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18877 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18879 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18881 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18882 for the va_list record.
18884 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18886 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18889 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18891 * alias.c: Include insn-flags.h.
18892 * Makefile.in (alias.o): Update.
18894 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18896 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18897 to LTU and GEU. Handle more cases using sbb.
18899 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18901 * i386.md (truncatexfdf splitters): Do not use subreg.
18902 (fop XFmode patterns): Fix mode in operand testing.
18904 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18906 * jump.c (jump_optimize_1): Amend last change to test only the
18907 form of the operand, not the insn.
18909 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18910 not register_operand to determine when B may need preloading.
18912 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18914 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18915 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18916 (call-value patterns): Move to end of file.
18917 (*): Remove mode from label_ref in (pc) context.
18918 (movstrqi): Use memory not general_operand for BLKmode operands.
18919 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18920 to register_operand operands.
18921 (peep2 patterns): Convert from commented-out peephole patterns.
18923 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18925 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18926 to BUILT_IN_INIT_DWARF_REG_SIZES.
18927 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18928 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18929 expand_builtin_init_dwarf_reg_sizes.
18930 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18931 with __builtin_init_dwarf_reg_size_table.
18932 * dwarf2out.c (struct reg_size_range): Delete.
18933 (expand_builtin_init_dwarf_reg_sizes): New function.
18934 (expand_builtin_dwarf_reg_size): Delete.
18935 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18936 (expand_builtin_dwarf_reg_size): Don't declare.
18937 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18938 (dwarf_reg_size_table): New.
18939 (init_reg_size_table): New function.
18940 (copy_reg): Use dwarf_reg_size_table.
18941 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18944 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18946 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18947 Correctly build argument list to constructor and destructor functions.
18949 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18951 * c-tree.h (warn_float_equal): Declare.
18952 * c-decl.c (warn_float_equal): Define.
18953 (c_decode_option): Recognize -W[no-]float-equal.
18954 * c-typeck.c (build_binary_op): Conditionally warn
18955 about equality tests of floating point types.
18956 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18957 * invoke.texi: Add docs for -Wfloat-equal warning.
18959 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18961 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18962 generating RTL directly.
18963 * mips.h (INIT_TARGET_OPTABS): Likewise.
18964 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18966 * expr.h (init_mov_optab): Delete declaration
18968 * h8300.c (WORD_REG_USED): Update to avoid useless register
18969 saves in interrupt functions and functions which never return.
18971 * cse.c (struct set): Delete inner_dest_loc field.
18972 (cse_insn): Remove assignments to inner_dest_loc field.
18974 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18976 * ggc-page.c: Don't include <unistd.h> etc taken care of
18977 by "system.h". Include <sys/mman.h> afterward.
18979 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18981 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18984 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18986 * xcoffout.c (xcoffout_declare_function): Add documentation.
18987 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18988 TARGET_64BIT. Compare constant to -1, not bit pattern.
18989 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18990 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18993 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18995 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18996 origin_die is NULL.
18997 (gen_inlined_enumeration_type_die): Do not abort if the type has
18998 not been writeen out.
18999 (gen_inlined_structure_type_die): Do not abort if the type has
19000 not been writeen out.
19001 (gen_inlined_union_type_die): Do not abort if the type has
19002 not been writeen out.
19003 (gen_tagged_type_instantiation_die): Do not abort if the type
19004 has not been written out.
19006 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19008 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
19010 * reg-stack.c (straighten_stack): Copy hard reg set with
19013 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
19015 * builtins.c (stabilize_va_list): Stabilize array type va_list
19016 to a pointer type, not the base record type.
19017 (expand_builtin_va_copy): Dereference the pointers explicitly;
19018 use the correct size for the copy.
19020 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
19021 (rs6000_va_arg): Likewise.
19023 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
19025 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
19027 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
19029 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
19031 (DECL_BUILT_IN_CLASS): Adjust accordingly.
19033 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
19035 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
19036 (init_ggc): Use it instead of a constant.
19037 (ggc_collect): Bound allocated_last_gc by it.
19039 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
19041 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
19044 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
19046 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
19047 (mips*-*-openbsd*): Let big endian configuration be a fragment.
19048 * configure: Regen.
19049 * config/mips/openbsd.h: New, OpenBSD little endian target.
19050 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
19051 * config/mips/xm-openbsd.h: New, OpenBSD host.
19053 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
19055 * config/m68k/m68k.c (output_function_prologue,
19056 output_function_epilogue): Use
19057 current_function_uses_pic_offset_table instead of regs_ever_live
19058 to decide whether to save/restore pic register.
19059 (legitimize_pic_address): Don't modify regs_ever_live any more.
19061 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
19063 * function.h (struct function): Add x_dont_save_pending_sizes_p.
19064 * stor-layout.c (variable_size): Don't add sizes to the pending
19065 sizes list if x_dont_save_pending_sizes_p is set.
19067 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
19069 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
19070 for symbolic_operand().
19071 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
19073 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19075 * combine.c (gen_rtx_combine): Add missing call to va_end().
19077 * final.c (asm_fprintf): Likewise.
19079 * genattrtab.c (attr_rtx): Likewise.
19081 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
19083 * cse.c: Update comments.
19084 (cse_insn): When converting a conditional/computed jump into
19085 an unconditional jump, always make sure a BARRIER immediately
19086 follows the converted jump. Do not delete unreachable code.
19087 (cse_basic_block): Do not delete unreachable code.
19088 * toplev.c (rest_of_compilation): Move call to
19089 delete_trivially_dead_insns after the conditional call to
19092 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19094 * collect2.c (make_temp_file): Don't prototype.
19096 * gcc.c (make_temp_file): Likewise.
19098 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
19100 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
19102 * varasm.c (asm_emit_uninitialised): New function: Generate
19103 the assembler statements necessary to declare an uninitialised
19105 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
19107 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
19108 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
19110 (assemble_variable): Use asm_emit_uninitialised to emit an
19111 uninitialised variable.
19113 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
19115 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
19116 constant on a 64 bit host. Patch supplied by Geoffrey Keating
19117 <geoffk@cygnus.com>.
19119 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19121 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
19122 * c-common.h (builtin_function): Don't declare.
19124 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
19126 (pushdecl): Likewise.
19127 (finish_decl): Likewise.
19128 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
19129 int. All callers changed.
19130 Set the builtin's DECL_BUILT_IN_CLASS.
19131 * tree.h (enum built_in_class): New.
19132 (enum built_in_function): Delete NOT_BUILT_IN.
19133 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
19135 (DECL_SET_FUNCTION_CODE): Likewise.
19136 (DECL_BUILT_IN_CLASS): New macro.
19137 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
19138 (struct tree_decl): Split builtin function code field into a
19140 (builtin_function): Declare.
19142 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
19144 * optabs.c (init_traps): Fix typo in last change.
19146 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
19148 * toplev.c (rest_of_decl_compilation): Update comment.
19150 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19152 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
19153 in .sbss if appropriate.
19154 (EXTRA_SECTION_FUNCTIONS): Add sbss.
19155 (SBSS_SECTION_ASM_OP): New macro.
19156 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
19157 (EXTRA_SECTIONS): Add in_sbss.
19158 * config/mips/mips.h: Prototype sbss_section.
19160 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
19162 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
19165 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
19167 * optabs.c (init_traps): Register trap_rtx as a GC root.
19169 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19171 * config/mips/mips.c (function_arg_pass_by_reference): Define
19172 unconditionally, since it's called unconditionally.
19174 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19176 * toplev.c (documented_lang_options): Add -fshort-wchar.
19177 * c-decl.c (c_decode_option): Likewise.
19178 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
19180 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
19181 * gcc.c (default_compilers): If -fshort-wchar,
19182 override __WCHAR_TYPE__.
19183 * tm.texi (C Dialect Options): Add -fshort-wchar.
19185 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
19186 symbol for a variable.
19188 * cpplib.h (CPP_PREPROCESSED): New macro.
19189 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
19190 we're seeing this input for a second time.
19192 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
19194 * emit-rtl.c (init_emit_once): Initialize modes first.
19196 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
19198 * config/i386/i386.c (pic_label_name): Change to char pointer.
19199 (global_offset_table): New variable.
19200 (load_pic_register): Fill global_offset_table if it hasn't
19201 already been done. Allocate pic_label_name dynamically.
19202 * ggc.h (empty_string): New variable.
19203 * ggc-simple.c (empty_string): Likewise.
19204 (init_ggc): Allocate empty_string and add as root.
19205 * stmt.c (digit_strings): New variable.
19206 (init_stmt): Add last_block_end_note as root. Allocate and
19207 initialize digit_strings.
19208 (expand_asm_operands): Use empty_string instead of string
19209 constant. Use digit_strings instead of string constants.
19210 * profile.c (init_arc_profiler): Allocate string with
19211 ggc_alloc_string instead of xmalloc.
19212 (output_func_start_profiler): Likewise.
19213 * c-typeck.c (digest_init): Check if init is error_mark_node.
19215 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19216 Richard Henderson <rth@cygnus.com>
19218 * ggc-page.c: New file.
19219 * Makefile.in (ggc-page.o): New.
19221 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19223 * invoke.texi: Document -fdelete-null-pointer-checks
19224 * toplev.c (flag_delete_null_pointer_checks): New.
19225 (f_options): Add entry for -fdelete-null-pointer-checks.
19226 (rest_of_compilation): Conditionalize null pointer check
19227 elimination on flag_delete_null_pointer_checks.
19228 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19230 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19232 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19233 copyright notice and special exception to GPL.
19235 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19237 * abi64.h (mips_function_value): Add prototype arguments.
19239 * mips-protos.h: New file with mips prototypes.
19241 * mips.c: Include "tm_p.h".
19242 (mktemp, lookup_name): Add prototype arguments.
19243 (extern_list, string_constant, mips_fill_delay_slot,
19244 mips_output_external, mips_output_external_libcall,
19245 mips_output_filename, mips_declare_object, function_prologue,
19246 mips_expand_prologue, function_epilogue, mips16_constant,
19247 build_mips16_function_stub, mips_output_conditional_branch):
19249 (mips_va_start): Remove unused variable `u'.
19250 (mips_va_arg): Cast value to unsigned when comparing against one.
19252 (save_restore_insns, mips_expand_prologue): Add missing arg in
19253 call to `large_int'.
19255 * mips.h: Move prototypes to mips-protos.h.
19256 (data_section, memory_address_p, rdata_section,
19257 readonly_data_section, simple_epilogue_p, text_section): Delete
19258 prototypes delcared elsewhere.
19259 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19261 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19263 * mips.md: Delete extra args in call to `mips_move_2words'.
19265 * xm-iris6.h (alloca): Add prototype argument.
19267 * genpeep.c: Include "tm_p.h" in generated output file.
19269 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19271 * basic-block.h (find_edge_index): Change parameters.
19272 * flow.c (verify_edge_list): Pass basic_block parameters to
19273 find_edge_index instead of integers.
19275 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19277 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19280 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19282 * gcc.1: Fix a formatting error.
19284 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19286 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19287 i786, mn10200, mn10300, pdp11, v850.
19289 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19291 * libgcc2.c (num_digits): Add prototype with
19292 __attribute__((const)).
19293 (__terminate): Add prototype.
19295 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19297 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19299 * alpha/alpha.c (print_operand): Fix type of `code'.
19300 (alpha_output_filename): Constify.
19301 * alpha/alpha.h: Move all function declarations ...
19302 * alpha/alpha-protos.h: ... here. New file.
19303 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19304 (SECTION_FUNCTION_TEMPLATE): Likewise.
19306 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19308 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19309 * expr.c (expand_expr): Likewise.
19310 (do_jump): Likewise.
19311 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19312 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19314 (enum can_compare_purpose): New.
19315 (can_compare_p): Adjust prototype.
19316 (prepare_cmp_insn, prepare_operand): Declare.
19317 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19318 * optabs.c (cmp_available_p): Deleted.
19319 (expand_abs): Pass ccp_jump to can_compare_p.
19320 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19321 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19322 Call can_compare_p rather than cmp_available_p.
19323 (prepare_operand): No longer static.
19324 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19325 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19326 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19327 sequence to use emit_cmp_and_jump_insns.
19328 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19330 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19332 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19333 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19334 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19335 (plus (reg) (const_int 0))
19336 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19338 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19340 * rs6000.c (expand_block_move): DImode loads and stores require
19341 word-aligned displacements. Increment address registers with
19342 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19344 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19346 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19347 is no name for the base type, rather than segfault. If we are
19348 writing out a complex integer type, use DW_ATE_lo_user.
19350 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19351 in one word or less (complex char, complex short, or on 64 bit
19352 systems complex float) to/from a hard register, copy it through
19353 memory instead of dying in gen_{real,imag}part. If we have a
19354 short complex type, prevent inlining since it allocates stack
19357 * tree.c (build_complex_type): If we are writing dwarf2 output,
19358 generate a name for complex integer types.
19360 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19362 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19363 * flow.c (remove_edge): Remove extra whitespace.
19364 (remove_fake_edges): Fix comment.
19365 (add_noreturn_fake_exit_edges): Use the correct name.
19367 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19369 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19370 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19371 (clean): Depend on INTL_CLEAN.
19372 (maintainer-clean): Adjust.
19374 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19376 * configure.in (AC_PREREQ): Bump to 2.13.
19377 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19379 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19381 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19383 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19385 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19386 (HAVE_STRINGIZE): Define.
19388 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19390 * c-parse.in: save and restore warn_pointer_arith on __extension__
19391 along with pedantic.
19392 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19393 Set the type of extension to itype rather than $<itype>1 kludge.
19394 * extend.texi (Alternate Keywords): Adjust documentation.
19395 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19397 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19399 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19400 most assembler templates.
19402 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19403 FP loads and stores.
19404 (following_call): Always return zero for the PA8000.
19405 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19406 FP loads and stores.
19407 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19409 * pa.h (BRANCH_COST): Define.
19411 * pa.md (return, return_internal): Use bve for PA2.0.
19413 * pa.md (fused multiply): Add variants which reduce height for the
19414 fused multiply, but which still generate 2 insns.
19415 (fnegabs): Similarly.
19417 * pa.md (subsi3): Turn into an expander. Create two anonymous
19418 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19419 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19421 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19423 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19425 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19426 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19428 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19431 * flow.c (record_active_eh_regions): Terminate loop after finding
19432 the last insn in the last basic block.
19434 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19436 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19438 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19440 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19442 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19444 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19445 splitting to not use output template.
19447 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19449 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19450 * config/c4x/c4x.c (c4x_va_start): New function.
19452 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19454 * genrecog.c (not_both_true): Handle correctly cases when called for
19455 tests with different positions in the insn.
19457 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19459 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19461 * system.h (HOST_PTR_PRINTF): ... to here.
19463 * mips-tfile.c: Don't include machmode.h.
19465 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19466 (mips-tfile.o): Don't depend on machmode.h.
19468 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19470 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19471 avoid conflicts with typedef struct `region' at the top level scope.
19473 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19475 * basic-block.h (basic_block): Add eh_beg, eh_end.
19476 * flow.c (entry_exit_blocks): Update.
19477 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19478 Call new functions.
19479 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19480 lists.c functions to allocate insn lists.
19481 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19483 (make_eh_edge): ... here. New.
19484 (move_stray_eh_region_notes): New.
19485 (record_active_eh_regions): New.
19486 (delete_unreachable_blocks): Split out block merging ...
19487 (try_merge_blocks): ... here. New.
19488 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19489 Dump debugging data.
19490 (merge_blocks_move_successor_nojumps): Likewise.
19491 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19493 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19495 * extend.texi (Bound member functions): Document unbound pmf
19498 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19500 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19501 has the EXIT_BLOCK as a dest.
19503 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19505 * flow.c (remove_edge): New function to remove an edge from the
19507 (remove_fake_successors): New function to remove fake successor edges.
19508 (remove_fake_edges): New function to remove all fake edges from the
19510 (add_fake_exit_edges): New function to add fake edges from all blocks
19511 with no successors to the exit block.
19512 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19513 prototypes for new functions.
19515 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19517 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19518 Use Pmode to determine whether to output .dword or .word.
19520 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19522 * tree.c (built_in_filename): New variable.
19523 (BUILT_IN_FILENAME): New macro.
19524 (init_tree_codes): Allocate built_in_filename.
19525 (make_node): Use built_in_filename instead of string constant.
19527 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19529 * configure.in: Add fr30 target.
19530 * configure: Regenerate.
19531 * config/fr30: New directory.
19532 * config/fr30/crti.asm: New file.
19533 * config/fr30/fr30.c: New file.
19534 * config/fr30/crtn.asm: New file.
19535 * config/fr30/fr30.h: New file.
19536 * config/fr30/fr30.md: New file.
19537 * config/fr30/lib1funcs.asm: New file.
19538 * config/fr30/t-fr30: New file.
19539 * config/fr30/xm-fr30.h: New file.
19541 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19543 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19544 BARRIER at the end of the successor, not the BARRIER before
19547 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19549 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19551 * stmt.c (any_pending_cleanups): Don't crash when
19552 current_function->stmt is unset.
19554 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19556 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19557 other initializations that may use it for relative offsets.
19559 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19561 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19562 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19563 * config/i386/sol2dbg.h: Removed.
19564 * config/i386/sol2gas.h: New file, to enable gas work-around.
19565 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19566 Don't use sol2dbg.h.
19567 * configure: Rebuilt.
19569 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19571 * invoke.texi (-fthis-is-variable): Remove documentation.
19573 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19575 * basic-block.h (compute_bb_for_insn): Declare.
19576 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19577 to use; set size of basic_block_for_insn directly.
19578 (find_basic_blocks): Update.
19580 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19582 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19584 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19586 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19587 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19589 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19591 * c-decl.c (c_decode_option): Extend comment.
19593 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19595 * toplev.c (progname): Make 'const char *'
19596 (flag_print_mem): Move out of main.
19597 (version_flag): Move out of main.
19598 (filename): Move out of main.
19599 (debug_args): Remove g prefix from options.
19600 (documented_lang_options): Remove cpplib specific options.
19601 (display_help): Add g prefix to debug options.
19602 (check_lang_option): Delete this function.
19603 (decode_d_option): New function: Decode -d... option.
19604 (decode_f_option): New function: Decode -f... option.
19605 (decode_W_option): New function: Decode -W... option.
19606 (decode_g_option): New function: Decode -g... option.
19607 (independent_decode_option): New function: Decode a language
19608 independent command line option.
19609 (main): Invoke lang_decode_option and then
19610 independent_decode_option on each command line option in
19613 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19615 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19616 * fold-const.c (fold_range_test): Do not try to fold the range
19617 test if the rhs or lhs has side effects.
19619 * basic-block.h (compute_flow_dominators): Declare.
19621 * gcse.c (alloc_code_hoist_mem): New function.
19622 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19623 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19624 (hoist_code, one_code_hoisting_pass): Likewise.
19625 (gcse_main): If optimizing for size, then hoist expressions
19626 computed in multiple dominated basic blocks.
19628 * gcse.c (invalid_nonnull_info): New function.
19629 (delete_null_pointer_checks): Likewise.
19630 * rtl.h (delete_null_pointer_checks): Declare.
19631 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19633 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19634 (merge-blocks_move_successor_nojumps): Likewise.
19635 (merge_blocks): Allow merging of some blocks, even if it requires
19636 physical movement of the blocks, but not if it requires new jumps.
19638 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19639 Callers and prototype changed.
19640 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19642 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19644 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19645 -YP when both -p and -pg are present. From i386/sol2.h.
19647 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19649 * Makefile.in (distclean): Delete tm_p.h.
19650 * configure.in: Create a new file, "tm_p.h", from a list in
19651 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19652 "i386/i386-protos.h".
19654 * alias.c: Include "tm_p.h".
19655 * c-typeck.c: Likewise.
19656 * calls.c: Likewise.
19658 * emit-rtl.c: Likewise.
19659 * explow.c: Likewise.
19660 * expmed.c: Likewise.
19661 * expr.c: Likewise.
19662 * final.c: Likewise.
19663 * flow.c: Likewise.
19664 * fold-const.c: Likewise.
19665 * function.c: Likewise.
19666 * gcse.c: Likewise.
19667 * global.c: Likewise.
19668 * haifa-sched.c: Likewise.
19669 * integrate.c: Likewise.
19670 * jump.c: Likewise.
19671 * local-alloc.c: Likewise.
19672 * loop.c: Likewise.
19673 * optabs.c: Likewise.
19674 * recog.c: Likewise.
19675 * reg-stack.c: Likewise.
19676 * regclass.c: Likewise.
19677 * regmove.c: Likewise.
19678 * reload.c: Likewise.
19679 * reload1.c: Likewise.
19680 * reorg.c: Likewise.
19681 * resource.c: Likewise.
19682 * stmt.c: Likewise.
19683 * stor-layout.c: Likewise.
19684 * toplev.c: Likewise.
19685 * tree.c: Likewise.
19686 * unroll.c: Likewise.
19687 * genattrtab.c (main): Make generated file include "tm_p.h".
19688 * genemit.c (main): Likewise.
19689 * genoutput.c (main): Likewise.
19690 * genrecog.c (main): Likewise.
19692 * i386.h: Delete all prototypes.
19693 * i386.c: Include "tm_p.h".
19694 (ix86_attr_length_default): Call constant_call_address_operand
19695 with correct number of arguments.
19696 * i386-protos.h: New file.
19697 * i386.md (unnamed patterns): Call constant_call_address_operand
19698 with correct number of arguments.
19699 (exception_receiver): Call load_pic_register with correct number
19702 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19704 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19706 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19708 * rtl.h (insns_safe_to_move_p): New function.
19709 * loop.c (find_and_verify_loops): Use it.
19710 * rtlanal.c (insns_safe_to_move_p): Define it.
19712 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19714 * c-pragma.c: Include ggc.h.
19715 * Makefile.in (c-pragma.o): Update.
19717 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19719 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19720 (LIB_SPEC): Likewise.
19721 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19722 Reindent -YP/-p/-pg.
19723 Copied from config/sparc/sol2.h.
19725 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19727 * c-pragma.c (mark_align_stack): New.
19728 (init_pragma): New.
19729 * c-pragma.h (init_pragma): Declare it.
19730 * c-lex.c (init_parse): Call it.
19732 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19734 * configure.in: Pick up thread library on Solaris/x86 just
19735 like on Solaris/sparc.
19736 * configure: Rebuilt.
19738 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19740 * rtl.h (global_rtx_index): New enum.
19741 (global_rtl): Change to array of rtx.
19742 (pc_rtx, cc0_rtx): Redefine accordingly.
19743 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19744 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19745 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19746 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19747 (const_int_rtx): Change to array of rtx.
19748 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19750 * emit-rtl.c (global_rtl): Change to array of rtx.
19751 (const_int_rtx): Change to aray of rtx.
19752 (gen_rtx_CONST_INT): Redefine accordingly.
19753 (init_emit_once): Allocate and initialize global_rtl. Likewise
19754 for const_int_rtx. Add both as GC roots.
19755 * genattrtab.c (global_rtl): Update declaration.
19757 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19759 * Makefile (USER_H): Add iso646.h back.
19761 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19763 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19764 zapping the LOG_LINKS of sched_before_next_call.
19766 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19767 * pa.c (insn_refs_are_delayed): Renamed from
19768 insn_sets_and_refs_are_delayed.
19770 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19772 * functiion.h (struct function): Add x_whole_function_mode_p.
19773 (retrofit_block): Declare.
19774 * function.c (retrofit_block): New function.
19775 (identify_blocks): Add assertions. Allow an incomplete set of
19776 block notes if we're still generating code for the function.
19777 * integrate.c: Include loop.h.
19778 (expand_inline_function): Call find_loop_tree_blocks to map block
19779 notes to blocks when in whole-function mode. Use retrofit_block
19780 to insert new BLOCKs for the inlined function, rather than
19782 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19783 * Makefile.in (integrate.o): Depend on loop.h.
19785 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19787 * tree.h (warn_about_unused_variables): Declare.
19788 * stmt.c (warn_about_unused_variables): New function, split out
19790 (expand_end_bindings): Here.
19792 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19794 * stmt.c (preserve_subexpressions_p): Don't crash when
19795 current_function->stmt is unset.
19797 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19799 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19800 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19801 (expand_start_target_temps): Use it.
19802 * except.c (expand_eh_region_start_for_decl): Likewise.
19803 * expr.c (expand_expr): Likewise.
19805 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19807 * fold-const.c (operand_equal_p): Pay attention to side effects.
19809 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19811 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19812 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19814 * tlink.c (scan_linker_output): Look for keywords before accepting
19815 a mangled name in quotes.
19817 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19819 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19820 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19822 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19824 * alpha.md: Revert Thu Nov 26 change that came in through the
19825 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19826 Avoid earlyclobber when possible.
19828 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19830 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19832 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19833 Define HAVE_ON_EXIT.
19835 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19837 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19838 CTYPE_CONV in all ctype macros.
19840 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19843 * cexp.y (initialize_random_junk): Likewise.
19845 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19847 * i370.c (handle_pragma): Likewise.
19849 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19851 * v850.c (override_options): Likewise.
19853 * doprint.c (_doprnt): Likewise.
19855 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19858 * fixinc/server.c (load_data): Likewise.
19860 * fold-const.c (real_hex_to_f): Likewise.
19862 * genattr.c (write_upcase, gen_attr): Likewise.
19864 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19865 write_upcase): Likewise.
19867 * genemit.c (print_code): Likewise.
19869 * genopinit.c (gen_insn): Likewise.
19871 * genpeep.c (print_code): Likewise.
19873 * genrecog.c (print_code): Likewise.
19875 * optabs.c (init_libfuncs): Likewise.
19877 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19879 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19881 (reemit_notes): Likewise.
19883 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19885 * ggc.h (ggc_root): Move to ggc-common.c.
19887 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19888 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19889 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19890 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19891 * ggc-common.c (ggc_root): Move from ggc.h.
19892 (roots): Declare, static.
19893 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19894 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19895 null or check/set mark bit.
19896 (ggc_mark_roots): New.
19897 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19899 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19901 * m32r.c: Include toplev.h.
19902 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19903 (gen_compare): Rename swap_p to must_swap to match uses.
19904 Add default abort case.
19905 (m32r_output_function_epilogue): Remove unused variables.
19906 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19907 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19908 define to empty parameter list. Update all uses.
19909 (predicate decls): Use enum machine_mode not int.
19910 * m32r.md (movsi): Call abort, not fatal_insn.
19911 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19913 1999-09-14 Andrew Haley <aph@cygnus.com>
19915 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19916 use $0 instead of 0.
19918 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19920 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19921 computation out of loop over hard regs.
19923 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19925 * function.c (identify_blocks): Don't shadow a variable in an
19927 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19928 pushdecl, or poplevel to build up the new BLOCK tree.
19929 (expand_inline_function): Likewise.
19930 (integrate_parm_decls): Likewise.
19932 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19934 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19936 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19938 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19939 * invoke.texi: Document this change.
19941 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19943 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19945 (mark_emit_status): Renamed from mark_emit_state.
19946 * except.c (mark_eh_status): Renamed from mark_eh_state.
19947 Check not null before marking.
19948 (free_eh_status): New.
19949 * expr.c (mark_expr_status, free_expr_status): New.
19950 * function.c (free_machine_status): New.
19951 (free_after_parsing): New.
19952 (free_after_compilation): Move bits to free_after_parsing; call
19953 free_eh_status, free_expr_status; zero the marked members of the
19955 (prepare_function_start): No can_garbage_collect.
19956 Call init_eh_for_function.
19957 (expand_dummy_function_end): Free up current_function state.
19958 (mark_function_status): Renamed from mark_function_state.
19959 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19960 * function.h (struct function): No can_garbage_collect.
19961 (free_machine_status, free_after_parsing): Declare.
19962 (free_eh_status, free_expr_status): Declare.
19963 * ggc.h (mark_expr_status): Declare.
19964 * stmt.c (free_stmt_status): Free the struct.
19965 (mark_stmt_status): Renamed from mark_stmt_state.
19966 (init_stmt): Don't call init_eh.
19967 (init_stmt_for_function): Don't call init_eh_for_function.
19968 * toplev.c (compile_file): Call init_eh.
19969 (rest_of_compilation): Free basic block info before ggc_collect.
19970 Call free_after_parsing; conditionally call free_after_compilation.
19971 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19972 Check not null before marking.
19973 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19975 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19977 * c-lex.c (yylex): Initialize warn.
19979 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19981 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19982 register when performing secondary reloads for the SAR register.
19984 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19986 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19987 (NOTE_BLOCK): New macro.
19988 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19989 * function.h (identify_blocks): Change prototype.
19990 * function.c (identify_blocks): Simplify.
19991 (reorder_blocks): Likewise.
19992 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19993 NOTE_INSN_BLOCK_{BEG,END}.
19994 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19995 the list of saved notes if the note isn't a
19996 NOTE_INSN_BLOCK_{BEG,END}.
19997 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19999 (reemit_notes): Adjust recreation of notes to reflect new saved
20001 * print-rtl.c (print_rtx): Print the address of the BLOCK when
20002 printing a block note.
20003 * stmt.c (block_vector): Remove.
20004 (find_loop_tree_blocks): Simplify.
20005 (unroll_block_trees): Likewise.
20006 * tree.h (reorder_block): Change prototype.
20008 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
20010 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
20011 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
20012 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
20013 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
20014 (atexit, exit): Simplify.
20015 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
20016 * config/lots: Remove defns of HAVE_ATEXIT.
20018 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
20020 * calls.c (precompute_arguments): Fix typo in comment.
20021 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
20024 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
20026 * dsp16xx.c (override_options): Fix typos in GC root registration.
20028 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
20030 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
20031 from config/svr4.h.
20032 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
20033 (FUNCTION_PROFILER): Redefine appropriately for Linux.
20034 (CC1_SPEC): Likewise.
20036 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20038 * genattr.c (main): Add extern prototype. Call return, not exit.
20039 * genattrtab.c (main): Likewise.
20040 * gencheck.c (main): Likewise.
20041 * gencodes.c (main): Likewise.
20042 * genconfig.c (main): Likewise.
20043 * genemit.c (main): Likewise.
20044 * genextract.c (main): Likewise.
20045 * genflags.c (main): Likewise.
20046 * gengenrtl.c (main): Likewise.
20047 * genopinit.c (main): Likewise.
20048 * genoutput.c (main): Likewise.
20049 * genpeep.c (main): Likewise.
20050 * genrecog.c (main): Likewise.
20052 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
20053 * genattrtab.c (get_insn_name): Likewise.
20054 * gencodes.c (get_insn_name): Likewise.
20055 * genconfig.c (get_insn_name): Likewise.
20056 * genemit.c (get_insn_name): Likewise.
20057 * genextract.c (get_insn_name): Likewise.
20058 * genflags.c (get_insn_name): Likewise.
20059 * genopinit.c (get_insn_name): Likewise.
20060 * genpeep.c (get_insn_name): Likewise.
20062 * gencheck.c (usage): Add static prototype.
20063 * genextract.c (print_path): Constify a char*.
20064 * genopinit.c (optabs): Likewise.
20065 * genoutput.c (operand_data, data, output_predicate_decls,
20066 compare_operands): Likewise.
20067 * genrecog.c (write_tree): Add default case in switch.
20069 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20071 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
20073 * print-rtl.c (get_insn_name): Remove prototype.
20075 * toplev.h (progname): Declare const.
20077 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
20078 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
20079 dump_sched_info, dump_local_alloc, regset_release_memory,
20080 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
20081 error_with_file_and_line, error_with_decl, error_for_asm, error,
20082 fatal, warning_with_file_and_line, warning_with_decl, warning,
20083 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
20084 Remove redundant prototypes.
20086 (notice, check_lang_option, report_file_and_line, vnotice,
20087 mark_file_stack): Add static prototype.
20088 (set_fatal_function): Add prototype.
20089 (vnotice, report_file_and_line, set_fatal_function,
20090 check_lang_option): Constify a char*.
20091 (main): Prototype. Call return, not exit.
20093 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20095 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
20097 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
20099 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
20101 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
20103 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20105 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
20106 behave as if it's zero in all cases.
20107 (expand_function_start): Adjust call to assign_parms.
20108 * tree.h (assign_parms): Adjust prototype.
20109 * objc/objc-act.c (hack_method_prototype): Adjust call to
20112 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
20114 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
20115 arg_pointer_rtx fixed if the argument pointer register is
20117 (NONZERO_BASE_PLUS_P): Likewise.
20119 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
20121 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
20122 match_insn2 to match_insn.
20123 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
20125 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
20127 * Makefile.in (USER_H): Remove va-foo.h.
20129 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
20130 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
20131 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
20132 va-spur.h,va-v850.h}: Remove.
20134 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
20136 * sparc/sparc.md (eligible_for_return_delay): New attribute.
20137 (in_return_delay): Use it instead of match_insn.
20139 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20141 * config/alpha/va_list.h (va-alpha.h): Do not include.
20142 (__gnuc_va_list): Typedef as in varargs.h.
20144 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
20146 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
20147 DECL_LIVE_RANGE_RTL.
20149 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
20151 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
20152 not NOTE_BLOCK_NUMBER.
20153 (expand_eh_region_end): Likewise.
20154 (find_exception_handler_labels): Likewise.
20155 (scan_region): Likewise.
20156 (exception_optimize): Likewise.
20157 (update_rethrow_references): Likewise.
20158 (set_insn_eh_region): Likewise.
20159 * final.c (final_scan_insn): Likewise.
20160 * flow.c (make_edges): Likewise.
20161 * integrate.c (expand_inline_function): Likewise.
20162 * print-rtl.c (print_rtx): Likewise.
20164 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
20166 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
20167 terms of builtin functions and types.
20169 * mips.c (mips_build_va_list): New.
20170 (mips_va_start, mips_va_arg): New.
20171 * mips.h (BUILD_VA_LIST_TYPE): New.
20172 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20174 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
20175 (sh_build_va_list, sh_va_start, sh_va_arg): New.
20176 * sh.h (BUILD_VA_LIST_TYPE): New.
20177 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20179 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
20181 * recog.h (struct recog_data): Make dup_num, operand_address_p,
20182 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
20183 (struct insn_data): Likewise with n_operands, n_dups,
20184 n_alternatives, output_format.
20185 * regclass.c (scan_one_insn): Cast n_operands to int before
20186 arithmetic inside comparison.
20188 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
20190 * toplev.c (compile_function): Unconditionally emit nop.
20192 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20194 * haifa-sched.c (actual_hazard): Move declaration of variable
20195 `this_cost' into the scope where it is used.
20197 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20199 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
20200 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
20201 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
20203 * genrecog.c (make_insn_sequence): Call memset, not bzero.
20205 * jump.c (find_insert_position): Don't declare or define unless
20206 !HAVE_conditional_arithmetic.
20207 (returnjump_p_1, delete_prior_computation): Add static prototypes.
20209 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20211 * recog.c (offsettable_address_p): Prototype function pointer.
20212 (preprocess_constraints): Call memset, not bzero.
20214 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20215 (gcc_obstack_init): Don't declare.
20216 (fix_sizetype): Add static prototype.
20217 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20218 (tree_cons): Call memset, not bzero.
20220 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20221 definition in macro ASM_WEAKEN_LABEL.
20222 (mark_const_hash_entry): Add static prototype.
20224 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20226 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20228 * unroll.c (find_common_reg_term, subtract_reg_term,
20229 loop_find_equiv_value): Add static prototypes.
20230 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20231 (copy_loop_body): Remove unreachable break statement.
20233 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20235 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20237 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20239 Undo some changes from the gcc2 merge:
20240 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20241 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20245 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20246 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20247 initialized float-int union if the value is a NaN.
20249 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20251 * gthr-win32.h: New file.
20253 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20254 shared as a valid attribute.
20255 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20256 * extend.texi: Document `shared' variable attribute.
20258 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20260 * configure.in: Handle --enable-threads on FreeBSD.
20261 * configure: Rebuit.
20263 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20265 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20267 * configure: Rebuilt.
20269 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20270 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20271 Rosimildo DaSilva <rdasilva@connecttel.com>
20273 * configure.in (m68k-*-rtemscoff*): Added.
20274 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20275 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20276 sparc-rtems configuration.
20277 * configure.in (sparc-*-rtemself*): Added.
20278 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20279 * config/i386/rtems.h: Added comment.
20280 * config/sparc/rtemself.h: New file.
20282 * configure.in (m68k-rtemself): Added.
20283 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20284 and DWARF_DEBUGGING_INFO.
20285 * config/m68k/crti.s: New file.
20286 * config/m68k/crtn.s: New file.
20287 * config/m68k/t-crtstuff: New file.
20288 * config/m68k/rtemself.h: New file.
20290 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20291 global ctor/dtor and C++ exception handling.
20292 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20293 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20295 * config/i386/t-rtems-i386: New File.
20297 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20299 * stmt.c (expand_end_case): Return right away if the case stack is
20302 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20304 * Makefile.in (version.c): Remove rule incorrectly brought in from
20307 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20309 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20310 * msdos/top.sed: Take into account a prepended $(SHELL) to
20312 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20314 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20316 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20318 * regmove.c (fixup_match_1): Don't change an unchanging register.
20319 (stable_but_for_p): Renamed to:
20320 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20321 Changed all callers.
20323 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20325 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20326 insn from BL2 is after the insn from BL.
20328 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20330 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20331 (struct insn_data): Merge `template' and `outfun' into `output'.
20332 Add `output_format'.
20333 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20334 (struct data): Remove `outfun'; add `output_format'.
20335 (name_for_index): Remove declaration.
20336 (output_insn_data): Handle output formats.
20337 (process_template): Emit the bare array for @.
20338 (gen_expand, gen_split): Set output_format to NONE.
20339 * output.h (get_insn_template): Declare.
20340 * final.c (get_insn_template): New.
20341 (final_scan_insn): Use it.
20342 * toplev.c (compile_file): Likewise.
20344 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20345 * i860/i860.c (output_delayed_branch): Likewise.
20346 (output_delay_insn): Likewise.
20348 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20350 * rtl.c (obstack_alloc_rtx): Removed.
20352 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20354 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20356 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20358 * i386.c (call_insn_operand): Reject const_int.
20359 (expander_call_insn_operand): Use call_insn_operand.
20361 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20363 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20365 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20367 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20368 Use DImode operation.
20370 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20372 * gcc.c: Include sys/resource.h.
20373 (report_times): New flag.
20374 (execute): If report_times is set, calculate and report the
20375 CPU time consumed by each subprocess.
20377 (rus, prus): New globals.
20378 (option_map): Add --time.
20379 (display_help): Document -time.
20380 (process_command): Set report_times if -time is given.
20381 Turn off -pipe if -time is given.
20383 * invoke.texi: Document new option -time.
20385 * configure.in: Check for getrusage. Check if we have to
20386 prototype getrusage.
20387 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20388 * configure: Regenerate.
20389 * config.in: Regenerate.
20391 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20393 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20396 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20398 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20399 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20400 (nan): Return _thenan_sf or _thenan_df as appropriate.
20401 (L_thenan_sf): Define _thenan_sf.
20402 (L_thenan_df): Define _thenan_df.
20404 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20405 (DPBIT_FUNCS): Add _thenan_df.
20407 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20409 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20412 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20414 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20417 (lang_specific_driver): Don't take a function pointer parameter.
20418 All callers changed.
20420 * gcc.c: Include gcc.h.
20421 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20422 lang_specific_extra_outfiles, fatal): Don't declare.
20423 (multilib_defaults_raw): Constify.
20424 (read_specs): Call memset, rather than bzero.
20425 (main): Call return, not exit.
20426 (lookup_compiler): Call memcpy, not bcopy.
20427 (fatal): Make extern.
20429 * cppspec.c: Include gcc.h.
20430 (lang_specific_driver): Initialize variable `quote'. Constify a
20431 char*. All calls to the function pointer parameter now
20432 explicitly call `fatal'.
20434 * gccspec.c (lang_specific_driver): Include gcc.h.
20436 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20438 * arm.c (note_invalid_constants): Use recog_data.operand_type
20441 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20443 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20446 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20447 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20448 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20449 reload_secondary_in_reload, reload_secondary_out_reload,
20450 reload_secondary_in_icode, reload_secondary_out_icode,
20451 reload_reg_rtx, reload_when_needed): Delete declarations.
20452 (struct reload): New structure.
20453 (rld): Declare new array.
20454 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20455 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20456 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20457 reload_secondary_in_reload, reload_secondary_out_reload,
20458 reload_secondary_in_icode, reload_secondary_out_icode,
20459 reload_reg_rtx, reload_when_needed): Delete definitions.
20461 (whole file): Replace uses of the deleted arrays with uses of rld.
20462 * reload1.c (whole file): Replace uses of the deleted arrays with
20464 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20465 explicit loops, not with bcopy.
20467 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20469 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20470 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20471 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20472 insn_name): Delete and consolidate into new structures.
20473 (insn_operand_predicate_fn): New.
20474 (insn_output_fn): New.
20475 (insn_gen_fn): New.
20476 (struct insn_operand_data): New.
20477 (struct insn_data): New.
20479 (OUT_FCN): Update for insn_data change.
20480 * builtins.c (expand_builtin_strlen): Likewise.
20481 (expand_builtin_memcmp): Likewise.
20482 * combine.c (make_extraction, simplify_comparison): Likewise.
20483 * cse.c (canon_reg, cse_insn): Likewise.
20484 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20485 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20486 (emit_store_flag): Likewise.
20487 * expr.c (convert_move, emit_block_move): Likewise.
20488 (clear_storage, emit_push_insn, expand_increment): Likewise.
20489 (do_store_flag): Likewise.
20490 * expr.h (GEN_FCN): Likewise.
20491 (insn_gen_function): Die.
20492 * final.c (final_scan_insn): Update for insn_data change.
20493 (output_asm_name): Likewise.
20494 * function.c (fixup_var_refs_1): Likewise.
20495 * loop.c (check_dbra_loop): Likewise.
20496 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20497 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20498 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20499 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20500 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20501 * regmove.c (gen_add3_insn): Likewise.
20502 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20503 (find_reloads, find_reloads_address_1): Likewise.
20504 (debug_reload_to_stream): Likewise.
20505 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20506 * stmt.c (expand_end_case): Likewise.
20507 * toplev.c (compile_file): Likewise.
20509 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20510 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20512 * print-rtl.c (insn_name_ptr): Remove declaration.
20513 (get_insn_name): Declare.
20514 (print_rtx): Use it.
20515 * genoutput.c (insn_name_ptr): Remove.
20516 (next_operand_number): New.
20517 (struct operand_data): New.
20518 (null_operand, odata, odata_end): New.
20519 (struct data): Use struct operand_data.
20520 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20521 (get_insn_name): Renamed from name_for_index.
20522 (output_prologue): Define NO_MD_PROTOTYPES.
20523 (output_predicate_decls): Break out from output_epilogue.
20524 Iterate over the operands list.
20525 (output_operand_data): Break out from output_epilogue. Emit
20526 just the operands list.
20527 (output_insn_data): Break out from output_epilogue. Emit just
20529 (output_epilogue): Remove.
20530 (output_get_insn_name): New.
20531 (constraints, op_n_alternatives, predicates, address_p): Die.
20532 (modes, strict_low, seen): Die.
20533 (scan_operands): Take new param `d' instead of writing to
20534 seven global variables.
20535 (compare_operands): New.
20536 (place_operands): New.
20537 (validate_insn_alternatives): Update for struct data change.
20538 (gen_insn): Don't zero or copy 7 global arrays. Update for
20539 scan_operands; call place_operands.
20540 (gen_peephole, gen_expand, gen_split): Likewise.
20541 (main): Update for new output routines.
20543 * genattr.c (insn_name_ptr): Remove.
20544 (get_insn_name): New function.
20545 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20546 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20547 * genrecog.c: Likewise.
20549 * alpha.md (adddi3): Make `pattern' array static.
20551 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20553 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20554 c4x_cpu_version_string): Constify char *.
20555 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20556 c4x_cpu_version_string): Likewise.
20558 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20560 * tree.c (save_tree_status): Revert 10 Sep change.
20561 (restore_tree_status): Likewise. Call obstack_free with NULL
20562 before freeing the obstack proper.
20564 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20566 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20568 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20569 surrounding context.
20571 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20573 * tree.c (type_hash_canon): Put all types in the hash-table, when
20576 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20578 * recog.h (struct recog_data, recog_data): New.
20579 (recog_foo variables): Kill.
20580 * recog.c (recog_operand, recog_operand_loc): Kill.
20581 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20582 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20583 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20584 (recog_data): Define.
20585 (extract_insn): Update all recog_foo references to use recog_data.
20586 (preprocess_constraints, constrain_operands): Likewise.
20587 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20588 * genattrtab.c (main): Likewise.
20589 * genextract.c (main): Likewise.
20590 * genoutput.c: Likewise.
20591 * genrecog.c (write_subroutine, main): Likewise.
20592 * local-alloc.c (block_alloc): Likewise.
20593 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20594 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20595 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20596 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20597 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20598 (reload_cse_simplify_operands): Likewise.
20600 * arc/arc.c (arc_final_prescan_insn): Likewise.
20601 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20602 * h8300/h8300.c (notice_update_cc): Likewise.
20603 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20604 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20605 * mn10200/mn10200.c (notice_update_cc): Likewise.
20606 * mn10300/mn10300.c (notice_update_cc): Likewise.
20607 * romp/romp.c (update_cc): Likewise.
20608 * sparc/sparc.c (check_pic): Likewise.
20609 * v850/v850.c (notice_update_cc): Likewise.
20611 * genemit.c (main): Don't declare recog_operand.
20613 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20615 * ggc.h (rtvec_def): Forward declare.
20616 (tree_node): Likewise.
20617 (ggc_root): Define.
20619 (ggc_set_mark_rtx): Add prototype.
20620 (ggc_set_mark_rtvec): Likewise.
20621 (ggc_set_mark_tree): Likewise.
20622 * ggc-simple.c (ggc_root): Don't define.
20623 (roots): Don't declare.
20624 (ggc_mark_rtx): Remove.
20625 (ggc_mark_rtvec): Likewise.
20626 (ggc_mark_tree): Likewise.
20627 (ggc_mark_varray): Likewise.
20628 (ggc_mark_tree_hash_table_entry): Likewise.
20629 (ggc_mark_tree_hash_table): Likewise.
20630 (ggc_set_mart_rtx): New function.
20631 (ggc_set_mark_rtvec): Likewise.
20632 (ggc_set_mark_tree): Likewise.
20633 (ggc_add_root): Remove.
20634 (ggc_add_rtx_root): Likewise.
20635 (ggc_remove_tree_root): Likewise.
20636 (ggc_add_string_root): Likewise.
20637 (ggc_add_tree_varray_root): Likewise.
20638 (ggc_add_tree_hash_table_root): Likewise.
20639 (ggc_del_root): Likewise.
20640 (ggc_mark_rtx_ptr): Likewise.
20641 (ggc_mark_tree_ptr): Likewise.
20642 (ggc_mark_string_ptr): Likewise.
20643 (ggc_mark_tree_varray_ptr): Likewise.
20644 (ggc_mark_tree_hash_table_ptr): Likewise.
20645 * ggc-common.c: New file.
20646 * Makefile.in (OBJS): Add ggc-common.o.
20647 (ggc-common.o): List dependencies.
20649 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20651 * cppalloc.c (xstrdup): Use memcpy.
20652 * cpperror.c (cpp_print_containing_files): Don't use
20654 * cpplib.c (conditional_skip): Set temp->lineno.
20655 (do_endif): Make error message less obscure.
20656 (if_directive_name): New function.
20657 (cpp_get_token [case EOF]): Unwind the if stack and generate
20658 error messages for each unterminated conditional in this file.
20659 (parse_string): Do not behave differently if -traditional.
20661 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20663 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20664 va_list decomposing to pointer-type.
20665 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20666 (rs6000_va_arg): Likewise.
20668 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20670 * except.c (start_dynamic_handler): Compute size using
20671 STACK_SAVEAREA_MODE.
20673 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20675 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20676 include directory headers. Don't define strrchr. Don't provide
20677 my_* replacement functions. Prefer PTR over `pointer_type'.
20678 Don't prototype system functions. Don't redefine getopt.
20680 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20681 safe_read, safe_write, save_pointers, restore_pointers,
20682 is_id_char, in_system_include_dir, directory_specified_p,
20683 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20684 find_corresponding_lparen, referenced_file_is_newer,
20685 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20686 process_aux_info_file, identify_lineno, check_source,
20687 seek_to_line, forward_to_next_token_char, output_bytes,
20688 output_string, output_up_to, other_variable_style_function,
20689 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20690 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20691 find_static_definition, connect_defs_and_decs, add_local_decl,
20692 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20693 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20694 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20695 scan_for_missed_items, edit_file, string_list_cons): Add static
20697 (standard_exec_prefix, target_machine, target_version,
20698 default_syscalls_dir, string_list, string_list_cons, find_file,
20699 do_cleaning): Constify a char*.
20700 (safe_read, safe_write): Use PTR, not a char*.
20701 (is_id_char): Take an int, not a char.
20702 (main): Add prototype. Call return, not exit.
20704 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20706 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20707 when comparing types.
20709 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20711 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20712 (strength_reduce): Release the varrays from the no-bivs early exit.
20714 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20715 the loop over the registers.
20717 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20719 (restore_tree_status): Check that instead when freeing the obstack.
20721 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20723 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20726 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20728 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20729 operand size modifiers.
20731 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20733 * c-common.c (c_common_nodes_and_builtins): Don't build
20735 * c-common.h (enum c_tree_index and related accesor macros): Remove
20736 everything now declared in tree.h.
20737 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20738 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20739 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20740 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20741 unsigned_type_node, ptr_type_node, va_list_type_node,
20742 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20743 (init_decl_processing): Call build_common_tree_nodes and
20744 build_common_tree_nodes_2 instead of building their nodes here.
20745 Don't add roots for these nodes.
20746 * stor-layout.c (size_zero_node, size_one_node): Delete.
20747 (set_sizetype): Make a new node for bitsizetype each time.
20748 * tree.c (global_trees): New variable.
20749 (init_obstacks): Add a gc root for it.
20750 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20751 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20752 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20753 (build_common_tree_nodes): New function.
20754 (fix_sizetype): New function.
20755 (build_common_tree_nodes_2): New function.
20756 * tree.h (enum tree_index): New.
20757 (global_trees): Declare.
20758 Add accessor macros for all nodes now moved to global_trees.
20759 Delete their declarations.
20761 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20763 * c-decl.c (finish_function): When processing a nested function,
20764 push and pop GC context around rest_of_compilation.
20766 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20768 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20769 Default ix86_arch to PROCESSOR_I386.
20770 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20771 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20772 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20773 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20774 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20775 (EXTRA_SPECS): Remove deleted specs.
20777 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20779 * function.c (assign_stack_local_1): Allocate from
20780 function->x_frame_offset, not frame_offset.
20782 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20784 * ggc.h (lang_cleanup_tree): Remove.
20785 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20786 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20788 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20789 TYPE_LANG_SPECIFIC when garbage collecting.
20790 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20791 (lang_cleanup_tree): Remove.
20793 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20795 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20796 * crtstuff.c: Not here.
20797 * dwarf2out.c: Or here.
20798 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20801 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20803 * function.h (free_after_compilation): Remove decl parameter.
20804 (free_varasm_status0: Likewise.
20805 (free_emit_status): Likewise.
20806 (free_stmt_status): Likewise.
20807 (free_after_compilation): Likewise.
20808 (init_lang_status): New variable.
20809 (free_lang_status): Likewise.
20810 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20811 * function.c (init_lang_status): New variable.
20812 (free_lang_status): Likewise.
20813 (push_function_context_to): Don't set function::decl here.
20814 (free_after_copmilation): Make decl parameter implicit. Call
20815 free_lang_status if defined.
20816 (prepare_function_start): Call init_lang_status if defined.
20817 (init_function_start): Set function::decl here.
20818 * profile.c (output_func_start_profiler): Don't call pushdecl
20819 until we've actually started the function.
20820 * stmt.c (free_stmt_status): Make decl parameter implicit.
20821 * toplev.c (rest_of_compilation): Don't pass decl to
20822 free_after_compilation.
20823 * varasm.c (free_varasm_status): Likewise.
20825 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20827 * except.c (call_get_eh_context): Add root when allocating static
20830 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20832 * arm.c: Include "ggc.h".
20833 (arm_add_gc_roots): New function.
20834 (arm_override_options): Call it.
20835 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20837 * arm.md (define_asm_attributes): Add a pool_range attribute.
20839 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20841 * extend.texi (Volatiles): New node.
20843 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20845 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20846 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20847 (struct ggc_any): Replace `mark' with `magic_mark'.
20848 (ggc_alloc_string): Use memcpy, not bcopy.
20849 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20850 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20851 (ggc_free_any): New.
20852 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20853 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20854 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20855 Use IS_MARKED. Use ggc_free_any.
20857 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20859 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20861 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20863 * toplev.c (main): Always init_ggc.
20865 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20867 * except.c (find_all_handler_type_matches): Free the list if
20868 we found no matches.
20870 * combine.c (SUBST): Break out to a real function do_SUBST.
20871 (SUBST_INT): Likewise.
20872 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20873 (pre_insert): Free `inserted'.
20874 * loop.c (basic_induction_var): Always set `location'.
20876 * function.c (expand_function_end): Add initial_trampoline as a root.
20877 * rtl.h (init_varasm_once): Declare.
20878 * toplev.c (compile_file): Call it.
20879 * ggc-simple.c (ggc_mark_string_ptr): New.
20880 (ggc_add_string_root): New.
20881 (ggc_collect): Disable collection avoidance temporarily.
20882 * ggc.h (ggc_add_string_root): Declare.
20883 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20884 * optabs.c (init_libfuncs): Likewise.
20885 * varasm.c (named_section): Use ggc_alloc_string.
20886 (make_function_rtl): Likewise.
20887 (make_decl_rtl): Likewise.
20888 (assemble_static_space): Likewise.
20889 (assemble_trampoline_template): Likewise.
20890 (output_constant_def): Likewise.
20891 (force_const_mem): Likewise.
20892 (mark_const_hash_entry): New.
20893 (mark_pool_sym_hash_table): New.
20894 (mark_varasm_state): Use it.
20895 (init_varasm_once): New.
20897 * expr.h (init_one_libfunc): Declare.
20898 * optabs.c (init_one_libfunc): New.
20899 (init_optabs): Use it.
20900 * config/gofast.h: Likewise.
20901 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20902 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20904 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20906 * Makefile.in (cppexp.o): Depend on cpphash.h.
20907 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20909 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20910 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20911 redefining poisoned identifiers, etc.
20912 (do_undef): Don't allow poisoned identifiers to be undefined.
20913 (do_pragma): Add #pragma poison.
20914 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20916 * cccp.c: Add T_POISON node type.
20917 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20919 (do_define): Generalise to handle poisoned definitions,
20920 redefining poisoned identifiers, etc.
20921 (do_undef): Don't allow poisoned identifiers to be undefined.
20922 (do_pragma): Add #pragma poison.
20923 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20925 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20926 * c-pragma.h: Add ps_poison state. We now always have generic
20929 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20931 * ggc.h (ggc_alloc): New function.
20932 (ggc_mark): Likewise.
20933 * ggc-simple.c (ggc_any): New structure.
20934 (ggc_status): Add anys.
20935 (n_anys_collected): New variable.
20936 (ggc_alloc): Define.
20937 (ggc_mark): Likewise.
20938 (ggc_collect): Collect the anys.
20940 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20942 * c-decl.c (mark_binding_level): Make static to match prototype.
20944 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20946 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20948 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20950 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20951 will use into account. Expand the max width to 5.
20954 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20956 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20957 for the rtx length.
20959 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20961 * alpha.md (call value patterns): Remove the result predicates.
20963 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20965 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20968 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20970 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20971 changed from extern char *, to extern PTR. Also fix typo in
20972 NEED_DECLARATION_REALLOC test.
20974 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20976 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20978 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20979 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20980 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20981 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20983 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20985 * cccp.c (pcfinclude): Likewise.
20987 * global.c (allocno_compare): Likewise.
20989 * haifa-sched.c (rank_for_schedule): Likewise.
20991 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20993 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20995 * stupid.c (stupid_reg_compare): Likewise.
20997 * tree.c (_obstack_allocated_p): Likewise.
20999 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
21001 1999-09-08 Bruce Korb autogen@linuxbox.com
21003 * Makefile.in: Give the hapless gperf user a hint about
21004 why "gperf -F" fails.
21006 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
21008 * lists.c: Include ggc.h.
21010 (init_EXPR_INSN_LIST_cache): Install it.
21012 * ggc-simple.c (init_ggc): Absorb the old init.
21013 (ggc_push_context): Use xcalloc.
21014 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
21015 (ggc_collect): Add [rvts] tags to the collection stats.
21017 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
21019 * cccp.c (main): Fix handling of -include and -imacros options.
21021 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
21023 * cpplib.c (cpp_push_buffer): Fix order of arguments.
21025 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21027 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
21030 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21032 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
21033 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
21034 and SET_DEST. Update comment.
21036 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21038 * config/c4x/c4x.c: Include ggc.h.
21039 (c4x_add_gc_roots): New function.
21040 (c4x_override_options): Call c4x_add_gc_roots.
21042 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
21044 * defaults.h (TARGET_ESC): Move ...
21045 * system.h: ... here, where Linas had it in the first place. Silly me.
21047 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
21049 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
21050 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
21051 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
21052 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
21053 * defaults.h (TARGET_ESC): Add default.
21055 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
21057 * configure.in: add i370-*-openedition, i370-*-mvs and
21058 i370-*-linux targets
21060 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
21062 * dsp16xxx.c: Include ggc.h
21063 (override_options): Mark GC roots.
21064 * mn10200.c: Include ggc.h.
21065 (asm_file_start): Mark GC roots.
21066 * tahoe.c: Include ggc.h.
21067 (extensible_operand): Mark GC roots.
21069 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
21071 * README: Add section discussing status of ELF ABI.
21072 * i370.c: Fix misc spelling mistakes.
21073 (i370_label_scan): Updated notes, exception handling.
21074 (i370_function_prolog): Simplify ELF stack handling.
21075 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
21076 (STACK_GROWS_DOWNWARD): ELF stack grows down.
21077 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
21078 * i370.md: (movdi): Add notes.
21079 (floatsidf2): Use stack not rtca for scratch float area.
21080 (iorsi3): Correct operand constraints.
21081 * x-oe: Restore TAROUTOPTS which are used by pax.
21083 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
21085 * rs6000.c: Include ggc.h.
21086 (rs6000_add_gc_roots): New function.
21087 (override_options): Call it.
21089 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
21091 * alpha.h (alpha_compare): New.
21092 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
21093 * alpha.c: Likewise for the definitions.
21094 (alpha_emit_conditional_branch): Update for alpha_compare.
21095 (alpha_emit_conditional_move): Likewise.
21096 * alpha.md (cmpdf, cmpdi): Likewise.
21097 (setcc patterns): Likewise. Zero alpha_compare after use.
21098 (sne): Optimize (x != 0) into (0U < x).
21100 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
21102 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
21103 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
21104 (INIT_EXPANDERS): Remove.
21105 * alpha.c: Include ggc.h.
21106 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
21107 (alpha_init_machine_status, alpha_mark_machine_status): New.
21108 (override_options): Install them.
21109 (struct machine_function): Moved to alpha.h.
21110 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
21111 (alpha_init_expanders): Remove.
21112 (alpha_return_addr): Adjust to use current_function->machine.
21113 (alpha_ra_ever_killed): Likewise.
21114 (alpha_expand_epilogue): Likewise.
21115 * alpha.md (eh_epilogue): Likewise.
21117 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
21118 Melissa O'Neill <oneill@cs.sfu.ca>
21119 Geoffrey Keating <geoffk@cygnus.com>
21121 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
21122 call-used registers (call-saved registers must still be contiguous
21123 and end with r31, of course).
21125 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
21127 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
21128 (self_promoting_type_p): Delete.
21129 (self_promoting_args_p): Move ...
21130 * c-common.c: ... here.
21131 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
21132 (simple_type_promotes_to): New.
21133 * builtins.c (lang_type_promotes_to): New.
21134 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
21135 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
21136 * c-common.h: ... here.
21137 (self_promoting_args_p, simple_type_promotes_to): Declare.
21138 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
21139 (grokdeclarator): Likewise.
21140 * tree.h (lang_type_promotes_to): Declare.
21142 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
21144 Add some machine-dependent GC roots.
21145 * sparc.c: Include ggc.h.
21146 (sparc_add_gc_roots): New function.
21147 (mark_ultrasparc_pipeline_state): Likewise.
21148 (override_options): Call sparc_add_gc_roots.
21149 * pa.c: Include ggc.h.
21150 (pa_add_gc_roots): New function.
21151 (mark_deferred_plabels): Likewise.
21152 (override_options): Call pa_add_gc_roots.
21153 * mips.c: Include ggc.h.
21154 (mips_add_gc_roots): New function.
21155 (override_options): Use it.
21157 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21159 * cpperror.c (cpp_file_line_for_message): Constify a char*.
21161 * cppexp.c (parse_number, parse_charconst, cpp_lex,
21162 cpp_parse_expr): Add static prototypes.
21163 (parse_charconst): Don't cast away const-ness.
21164 (token): Constify a char*.
21166 * cppfiles.c (file_name_list, include_hash, find_include_file,
21167 finclude, initialize_input_buffer): Constify a char*.
21168 (file_cleanup, find_position): Add static prototypes.
21170 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
21171 collect_expansion): Add static prototypes.
21172 (cpp_install, create_definition, monthnames): Constify a char*.
21174 * cpphash.h (cpp_install): Likewise.
21176 * cppinit.c (known_suffixes, default_include,
21177 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
21178 (base_name, dump_special_to_buffer, initialize_dependency_output):
21179 Add static prototypes.
21181 * cpplib.c (my_strerror): Constify a char*.
21182 (null_underflow, null_cleanup, skip_comment, copy_comment,
21183 copy_rest_of_line, handle_directive, pass_thru_directive,
21184 get_directive_token, read_line_number, cpp_print_file_and_line,
21185 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
21186 v_cpp_warning_with_line, detect_if_not_defined,
21187 consider_directive_while_skipping): Add static prototypes.
21188 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
21189 cpp_pedwarn_with_file_and_line): Constify a char*.
21191 * cpplib.h (cpp_options, include_hash, progname, definition,
21192 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
21193 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
21194 find_include_file, deps_output, include_hash): Constify a char*.
21196 * cppmain.c (progname): Constify.
21197 (main): Add prototype. Use return, not exit.
21199 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
21200 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
21201 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
21202 check_protection): Add static prototype.
21204 (progname, recognized_macrom, recognized_extern): Constify a char*.
21205 (main): Add prototype.
21207 * gen-protos.c (progname): Constify a char*.
21209 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21211 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21212 (init_emit_once): Add more GC roots.
21213 * except.c (mark_func_eh_entry): New function.
21214 (mark_eh_node): Mark false_label and rethrow_label.
21215 (init_eh): Add more GC roots.
21216 * function.c (free_after_compilation): Take decl as a paramter.
21217 Call free_stmt_status.
21218 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21220 * function.h (free_after_compilation): Change prototype.
21221 (free_varasm_status): Likewise.
21222 (free_emit_status): Likewise.
21223 (free_stmt_status): New function.
21224 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21225 Remove, replacing with ...
21226 (ggc_status): New structure.
21227 (ggc_chain): New variable.
21228 (init_gcc): Define.
21229 (ggc_push_context): New function.
21230 (ggc_pop_context): Likewise.
21231 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21232 (ggc_alloc_rtvec): Likewise.
21233 (ggc_alloc_tree): Likewise.
21234 (ggc_alloc_string): Likewise.
21235 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21236 (ggc_mark_tree): Give language-dependent code a chance to mark
21238 (ggc_mark_tree_varray): Handle empty arrays.
21239 (ggc_collect): Adjust for use of ggc_chain. Clear
21240 bytes_alloced_since_last_gc.
21241 * ggc.h (ggc_pop_context): New function.
21242 (ggc_push_context): Likewise.
21243 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21244 * stmt.c (free_stmt_status): New function.
21245 (init_stmt_for_function): Clear last_expr_value.
21246 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21247 Conditionalize call to ggc_collect.
21248 (main): Call init_ggc.
21249 * tree.c (push_obstacks): Do the push, even when GC'ing.
21250 (push_obstacks_nochange): Likewise.
21251 (pop_obstacks): Liekwise.
21252 * varasm.c (free_varasm_status): Take decl as a parameter.
21254 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21256 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21257 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21258 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21259 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21261 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21263 * pa/x-pa-mpeix: New file for the MPE port.
21265 * pa/quadlib.asm: New file for long double support.
21267 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21268 * configure: Rebuilt.
21270 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21272 * final.c (shorten_branches): Fix last change.
21274 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21276 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21278 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21280 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21283 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21285 * c-aux-info.c (concat): Don't define.
21287 * cccp.c (my_strerror): Likewise. All callers changed to use
21289 (do_include): Call xstrdup, not xmalloc/strcpy.
21290 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21291 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21293 * collect2.c (my_strsignal): Likewise. All callers changed to use
21295 (locatelib): Call xstrdup, not xmalloc/strcpy.
21297 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21299 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21301 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21303 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21305 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21307 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21309 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21311 (find_all_handler_type_matches): Likewise. Don't check return
21313 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21314 xmalloc, not malloc.
21315 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21317 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21318 (init_spec): Call xcalloc, not xmalloc/bzero.
21319 (set_spec): Call xstrdup, not save_string.
21320 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21321 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21322 (process_command): Call xstrdup, not save_string.
21323 (main): Call xcalloc, not xmalloc/bzero.
21325 * gcov.c (xmalloc): Don't define.
21326 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21327 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21328 (output_data): Call xcalloc, not xmalloc/bzero.
21330 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21332 * mips-tdump.c (xmalloc): Don't define.
21333 (print_symbol): Call xmalloc, not malloc.
21334 (read_tfile): Call xcalloc, not calloc.
21336 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21337 Don't define. All callers of xfree/my_strsignal changed to use
21338 free/strsignal instead.
21339 (allocate_cluster): Call xcalloc, not calloc.
21341 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21342 Fix memory leak, free allocated memory.
21344 * prefix.c (translate_name): Call xstrdup, not save_string.
21345 (update_path): Likewise.
21347 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21349 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21350 Don't define. Callers of xfree/savestring2 changed to use
21351 free/concat instead.
21353 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21354 (init_elim_table): Likewise.
21356 * resource.c (init_resource_info): Likewise.
21358 * stupid.c (stupid_life_analysis): Likewise.
21360 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21361 (open_dump_file): Call concat, not xmalloc/strcpy/...
21362 (clean_dump_file): Likewise.
21363 (compile_file): Call xstrdup, not xmalloc/strcpy.
21365 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21367 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21368 * v850.c (v850_va_arg): New.
21370 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21372 * haifa-sched.c: Tidy comments.
21374 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21376 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21377 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21378 $(out_object_file)): Depend on ggc.h.
21379 * c-common.c: Include "ggc.h".
21380 (combine_strings): If doing GC, use ggc_alloc_string.
21381 * c-decl.c: Include "ggc.h".
21382 (ggc_p): Define with value 0.
21383 (mark_binding_level): New function.
21384 (init_decl_processing): Add GC roots.
21385 (mark_c_function_context): New function.
21386 (lang_mark_false_label_stack): New function.
21387 (lang_mark_tree): New function.
21388 (lang_cleanup_tree): New function.
21389 * c-lang.c: Include "ggc.h".
21390 (lang_init): Call c_parse_init.
21391 * c-lex.c: Include "ggc.h".
21392 (check_linenum): If doing GC, don't copy filenames to permanent
21394 * c-parse.in: Include "ggc.h".
21395 (c_parse_init): New function.
21396 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21397 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21399 * except.c (mark_eh_state): Mark more state.
21400 * function.c (mark_function_state): Likewise.
21401 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21402 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21403 * toplev.c (mark_file_stack): New function.
21404 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21405 (main): Add root for input_file_stack.
21407 * i386.c: Include "ggc.h".
21408 (ix86_mark_machine_status): New function.
21409 (override_options): Set mark_machine_status.
21411 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21413 * tree.c (copy_node): Copy node contents also if doing GC.
21415 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21417 * collect2.c (scan_libraries): Fix double-thinko :-).
21419 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21421 * collect2.c (scan_libraries): Fix thinko.
21423 * cse.c (delete_trivially_dead_insns): Do not skip the last
21424 insn if it is a real insn.
21426 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21428 * Makefile.in (ggc-simple.o): Depend on hash.h.
21429 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21430 (ggc_mark_tree_varray): Likewise.
21431 (ggc_mark_tree_hash_table): Likewise.
21432 * ggc-simple.c: Include hash.h.
21433 (ggc_mark_tree_hash_table_ptr): New function.
21434 (ggc_mark_tree_hash_table_entry): Likewise.
21435 (ggc_mark_tree_hash_table): Likewise.
21436 (ggc_add_tree_hash_table_root): Likewise.
21437 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21438 rtx, when defining fields.
21440 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21442 * profile.c (output_func_start_profiler): Remove apparently
21443 nonsensical call to start_sequence.
21445 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21447 * clipper/clipper.c (clipper_va_start): Fix typos.
21449 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21450 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21451 (spur_va_arg): New stub.
21453 * configure.in: Comment out pyramid.
21455 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21457 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21458 don't conflict with the bits that win32, cygwin, and dgux
21461 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21462 Bernd Schmidt <bernds@cygnus.co.uk>
21464 * integrate.c (function_cannot_inline_p): Do not inline
21465 functions with forced labels.
21467 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21468 Bernd Schmidt <bernds@cygnus.co.uk>
21469 Mark Mitchell <mark@codesourcery.com>
21471 * Makefile.in (ggc-simple.o): Depend on varray.h.
21472 (rtl.o): Depend on ggc.h.
21473 (genattrtab.o): Depend on ggc.h.
21474 (print-tree.o): Likewise.
21475 (fold-const.o): Likewise.
21476 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21477 (make_insn_raw): Don't cache insns when GC'ing.
21478 (emit_insn_before): Likewise.
21479 (emit_insn_after): Likewise.
21480 (emit_insn): Likewise.
21481 (start_sequence): Use xmalloc to allocate the sequence_stack.
21482 (end_sequence): Add free to free it.
21483 (gen_sequence): Don't cache insns when GC'ing.
21484 (clear_emit_caches): Don't use sequence_element_free_list.
21485 (init_emit): Use xcalloc, not xmalloc+bzero.
21486 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21487 * function.c (pop_function_context_from): Use free to free the
21488 fixup_var_refs_queue.
21489 (put_reg_into_stack): Allocate it with xmalloc.
21490 * genattrtab.c: Include ggc.h.
21491 (operate_exp): Don't use obstack_free when GC'ing.
21492 (simplify_cond): Likewise.
21493 (simplify_text_exp): Likewise.
21494 (optimize_attrs): Likewise.
21495 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21497 (gencode): Generate a #include for ggc.h.
21498 * ggc-callbacks.c (ggc_p): Define it to zero.
21499 * ggc-none.c (ggc_p): Likewise.
21500 * ggc-simple.c: Include varray.h.
21501 (ggc_mark_tree_varray): New function.
21502 (ggc_add_tree_varray_root): Likewise.
21503 (ggc_mark_tree_varray_ptr): Likewise.
21504 * ggc.h (ggc_p): Declare.
21505 (varray_head_tag): Likewise.
21506 (ggc_add_tree_varray_root): Declare.
21507 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21508 inconsistencies when GC'ing.
21509 * rtl.c: Include ggc.h.
21510 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21511 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21512 (rtx_free): Don't call obstack_free when GC'ing.
21513 * toplev.c (rest_of_compilation): Call ggc_collect after every
21515 * tree.c (push_obstacks): Do nothing, if GC'ing.
21516 (pop_obstacks_nochange): Likewise.
21517 (pop_obstacks): Likewise.
21518 (make_node): Use ggc_alloc_tree when GC'ing.
21519 (copy_node): Likewise.
21520 (get_identifier): Use ggc_alloc_string when GC'ing.
21521 (build_string): Likewise.
21522 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21523 (tree_cons): Likewise.
21524 (build1): Likewise.
21525 (type_hash_canon): Don't call obstack_free when GC'ing.
21527 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21529 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21530 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21532 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21533 Bernd Schmidt <bernds@cygnus.co.uk>
21534 Mark Mitchell <mark@codesourcery.com>
21536 * Makefile.in (stor-layout.o): Depend on ggc.h.
21537 (expr.o): Depend on ggc.h.
21538 (profile.o): Depend on ggc.h.
21539 (stor-layout.o): Depend on ggc.h.
21540 * emit-rtl.c (init_emit_once): Add gc roots.
21541 * expr.c: Include ggc.h.
21542 (emit_block_move): Add gc roots.
21543 (clear_storage): Likewise.
21544 * expr.h (init_stor_layout_once): New function.
21545 * profile.c: Include ggc.h.
21546 (init_arc_profiler): profiler_label is a root.
21547 * scan.c (make_sstring_space): Trust xrealloc to function
21548 correctly with first parameter NULL.
21549 * stor-layout.c: Include ggc.h.
21550 (set_sizetype): Add gc root.
21551 (init_stor_layout_once): New function.
21552 * toplev.c (compile_file): Call it.
21554 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21555 Bernd Schmidt <bernds@cygnus.co.uk>
21556 Mark Mitchell <mark@codesourcery.com>
21558 * Makefile.in (tree.o): Depend on ggc.h.
21559 (varasm.o): Likewise.
21560 (function.o): Likewise.
21561 (stmt.o): Likewise.
21562 (except.o): Likewise.
21563 (optabs.o): Likewise.
21564 (emit-rtl.o): Likewise.
21565 * emit-rtl.c: Include ggc.h.
21566 (sequence_element_free_list): Remove, and all references.
21567 (mark_sequence): New functions.
21568 (mark_emit_state): New function.
21569 * except.c: Include ggc.h.
21570 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21571 (mark_tree_label_node): New functions.
21572 (mark_eh_state): New function.
21573 * function.c: Include ggc.h.
21574 (mark_temp_slot, mark_function_chain): New functions.
21575 (mark_function_state): New function.
21576 (init_function_once): New function.
21577 * function.h (init_function_once): New function.
21578 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21579 * ggc.h (label_node): Declare.
21580 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21581 (lang_mark_false_label_stack): New function.
21582 (mark_temp_slot): Remove declaration.
21583 (mark_function_chain): Likewise.
21584 (mark_eh_state): Adjust prototype.
21585 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21587 * optabs.c: Include ggc.h.
21588 (mark_optab): New function.
21589 (init_optabs): Add gc roots.
21590 * stmt.c: Include ggc.h.
21591 (mark_cond_nesting, mark_loop_nesting): New functions.
21592 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21593 (mark_stmt_state): New function.
21594 * toplev.c (compile_file): Call init_function_once.
21595 * tree.c: Include ggc.h.
21596 (type_hash): Move declaration earlier in file.
21597 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21598 (init_obstacks): Add gc roots.
21599 (mark_type_hash): New function.
21600 * varasm.c: Include ggc.h.
21601 (mark_pool_constant): New function.
21602 (mark_varasm_state): New function.
21604 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21606 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21608 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21610 * c-decl.c (struct language_function): Renamed from struct c_function.
21612 (c_function_chain): Delete.
21613 (push_c_function_context): New arg F. Don't warn about nested
21614 functions here. Fill LANGUAGE elt of F. Delete code to update
21615 c_function_chain. Don't call push_function_context.
21616 (pop_c_function_context): New arg F. Restore from there instead of
21617 from c_function_chain. Don't call pop_function_context. Clear out
21618 LANGUAGE field of F when done.
21619 * c-lang.c: Include "function.h"
21620 (lang_init): Initialize save_lang_status and restore_lang_status.
21621 * c-parse.in (nested_function, nested_function_notype): Warn about
21622 nested functions. Call push_function_context/pop_function_context
21623 instead of the _c_ variants.
21624 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21626 * Makefile.in (c-lang.o): Update dependencies.
21628 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21629 regno_pointer_flag, regno_pointer_align.
21630 (gen_reg_rtx): Use xrealloc to enlarge them.
21631 (free_emit_status): New function.
21632 * function.c (mark_machine_status, mark_lang_status): New variables.
21633 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21634 in some bits from assign_stack_local. All callers changed to use new
21636 (assign_stack_local): Just call assign_stack_local_1.
21637 (free_after_compilation): New function.
21638 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21639 (trampoline_address): Likewise.
21640 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21641 (prepare_function_start): Explicitly clear some more variables.
21642 * function.h (struct function): New elt can_garbage_collect.
21643 (mark_machine_status, mark_lang_status): Declare variables.
21644 (free_after_compilation, free_emit_status, free_varasm_status,
21645 init_varasm_status): Declare functions.
21646 * toplev.c (rest_of_compilation): Call free_after_compilation when
21647 done with the current function.
21648 * varasm.c (free_varasm_status): New function.
21650 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21652 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21653 (EXPAND_BUILTIN_VA_ARG): Define.
21654 * sparc.c (sparc_va_start): New.
21655 (sparc_va_arg): New.
21657 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21659 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21661 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21663 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21665 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21667 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21668 (OBJS): Add $(GGC).
21669 (ggc-callbacks.o): New target.
21670 * ggc-callbacks.c: New file.
21672 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21674 * expr.h: Collapse individual optab and libfunc vars to arrays.
21675 (optab_index, libfunc_index): New enumerations.
21676 (optab_table, libfunc_table): New arrays.
21677 Add accessor macros for both.
21679 * optabs.c (optab_table, libfunc_table): New.
21680 Delete declarations for individual optab and libfunc vars.
21682 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21684 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21686 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21688 * Makefile.in (GGC, GGC_LIB): New.
21689 (HOST_RTL): Include ggc-none.o.
21690 (ggc-simple.o): New target.
21691 (ggc-none.o): Likewise.
21692 * tree.h (tree_common): Add gc_mark.
21693 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21694 (struct rtvec_def): Add gc_mark.
21695 * emit-rtl.c (global_rtl): Update static initializers to contain
21696 enough initializers.
21697 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21698 * toplev.c (gc_time): New variable.
21699 (all_time): New variable.
21700 (compile_file): Print gc time.
21701 (print_time): Calculate percentage of the whole.
21703 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21705 Change obstack memory management and varasm constant pool handling so
21706 that nested functions are treated like any other functions.
21707 * function.c (init_machine_status): New variable.
21708 (push_function_context_to): Set contains_functions for the outer
21709 function. Don't call save_varasm_status.
21710 (pop_function_context_from): Don't call restore_varasm_status. Don't
21711 set current_function_contains_functions.
21712 (prepare_function_start): Call init_varasm_status rather than
21713 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21715 * function.h (struct function) Add field varasm. Delete fields
21716 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21717 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21718 (init_machine_status): Declare.
21719 (save_varasm_status, restore_varasm_status): Delete declarations.
21720 (save_tree_status, restore_tree_status): Delete last argument.
21721 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21722 code. All callers changed.
21723 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21724 save_constants_in_decl_trees, restore_constants, save_constants,
21725 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21727 (inlining): New variable.
21728 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21729 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21731 (save_for_inline_nocopy): Don't save constants.
21732 Don't set inl_emit field in current_function.
21733 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21734 function. Set new variable inlining before
21735 calling copy_rtx_and_substitute.
21736 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21737 constant pool references if inlining is nonzero.
21738 Delete ADDRESS and (most of the) CONST cases.
21739 (output_inline_function): Save and restore current_function/
21740 current_function_decl. Delete restore_constants code. Don't call
21741 init_const_rtx_hash_table.
21742 * output.h (init_const_rtx_hash_table): Don't declare.
21743 * rtl.h (struct function): Declare.
21744 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21745 * toplev.c (rest_of_compilation): Don't treat nested functions or
21746 functions containing them specially. Delete all code to deal with
21747 save_for_inline_copying.
21748 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21749 inline_obstacks): Delete variables.
21750 (save_tree_status): Lose arg CONTEXT. All callers changed.
21751 Simply allocate a new function_maybepermanent_obstack for the new
21752 function, delete all the special cases.
21753 Don't save inline_obstacks.
21754 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21755 Delete special handling for function_maybepermanent_obstack; simply
21757 Don't restore inline_obstacks.
21758 (permanent_allocation): Delete code that frees inline_obstacks.
21759 (print_inline_obstack_statistics): Delete function.
21760 (dump_tree_statistics): Don't call it.
21761 * varasm.c (struct varasm_status): New.
21762 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21763 last_pool, pool_offset, const_double_chain): Delete global
21764 variables, replace with accessor macros.
21765 (immed_double_const): Don't walk const_double_chain outside a
21766 function, but don't treat nested functions specially anymore.
21767 (immed_real_const_1): Likewise.
21768 (clear_const_double_mem): Don't treat nested functions specially.
21769 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21770 (save_varasm_status, restore_varasm_status): Delete functions.
21771 (init_varasm_status): New function.
21772 (force_const_mem): Don't treat nested functions specially.
21773 (find_pool_constant): Accept new arg F, search for constants in
21774 that function's pool rather than the current one. All callers
21776 (get_pool_constant_for_function, get_pool_mode_for_function): New
21779 * i386.c (init_386_machine_status): New function, mostly from
21780 clear_386_stack_locals.
21781 (struct machine_functions): Rename element names to avoid name
21783 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21784 macros, replacing global variables.
21785 (clear_386_stack_locals, save_386_machine_status,
21786 restore_386_machine_status): Delete functions.
21787 (override_options): Initialize init_machine_status.
21788 * i386.h (INIT_EXPANDERS): Delete macro.
21789 (save_386_machine_status, restore_386_machine_status,
21790 clear_386_stack_locals): Delete declarations.
21792 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21794 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21795 (doloop_begin): Simplify pattern and use emit_jump_insn.
21796 (doloop_end): Simplify pattern, switch operand order,
21797 and use emit_jump_insn.
21799 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21801 * function.h (struct function): Add new element LANGUAGE.
21802 (save_lang_status): Declare new variable.
21803 (restore_lang_status): Likewise.
21804 * function.c (save_lang_status): Define.
21805 (restore_lang_status): Likewise.
21806 (push_function_context_to): Call language-specific save function.
21807 (pop_function_context_from): Call language-specific restore function.
21809 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21811 * i386.md (movsf_1): Check REG_P before use of REGNO.
21812 (movdf_1): Likewise.
21813 (movxf_1): Likewise.
21814 (extendsfdf2): Likewise.
21815 (extendsfxf2): Likewise.
21816 (extenddfxf2): Likewise.
21818 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21820 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21821 constants into memory.
21822 (c4x_shiftable_constant): New function.
21823 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21824 (c4x_shiftable_constant): Declare.
21825 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21826 ashlqi3_noclobber): Add new patterns and associated splitters.
21828 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21830 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21831 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21832 * final.c (shorten_branches): Likewise.
21833 * global.c (global_alloc): Likewise.
21834 * haifa-sched.c (build_control_flow): Likewise.
21835 * stmt.c (check_for_full_enumeration_handling): Likewise.
21836 (estimate_case_costs): Likewise.
21838 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21840 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21842 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21844 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21845 (recompute_reg_usage): Likewise.
21846 * rtlanal.c (find_regno_fusage): Likewise.
21848 * rtl.c (rtl_check_failed_code1): New function.
21849 (rtl_check_failed_code2): New.
21850 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21851 (RTL_CHECKC1, RTL_CHECKC2): New.
21852 (XC*): New accessor macros.
21853 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21854 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21855 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21856 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21857 (TRAP_*, RANGE_INFO_*): Likewise.
21859 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21861 * Makefile.in (tlink.o): Don't depend on toplev.h.
21863 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21864 output_file, nm_file_name, ldd_file_name, strip_file_name,
21865 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21866 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21867 fork_execute, maybe_unlink, add_to_list,
21868 extract_init_priority, write_list, dump_list,
21869 dump_prefix_list, write_list_with_asm, write_c_file,
21870 write_c_file_stat, write_c_file_glob, scan_prog_file,
21871 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21872 ignore_library, extract_string, notice, dump_file, target_machine,
21873 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21874 read_file, print_load_command): Constify a char*.
21875 (fdopen, error, fatal, fatal_perror): Don't prototype.
21876 (my_strerror): Remove. All callers use xstrerror instead.
21877 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21878 (main): Add prototype. Constify lots of char* ptrs. Change calls
21879 to xcalloc/strcpy/strcat/... to one call to concat.
21880 (main, scan_prog_file, scan_libraries): Use an intermediate
21881 `const char **' to build an argv array.
21882 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21884 * collect2.h (collect_execute, collect_wait, dump_file,
21885 file_exists): Constify a char*.
21886 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21887 temporary_firstobj, vflag, debug): Add extern declarations.
21888 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21890 * tlink.c: Don't include toplev.h.
21891 (vflag, debug, ldout, c_file_name, temporary_obstack,
21892 permanent_obstack, temporary_firstobj): Don't declare.
21893 (tlink_execute, frob_extension, symbol_hash_lookup,
21894 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21895 recompile_files, read_repo_files, demangle_new_symbols,
21896 scan_linker_output): Constify a char*.
21897 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21898 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21900 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21902 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21903 (relative) rather than jsr (absolute) subroutine call insns.
21904 * config/m68k/m68k-coff.h: Ditto.
21906 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21908 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21909 now rework these too.
21910 (arm_reorg): If an insn can't reach the end of the current pool,
21911 ensure that we emit that pool before the insn.
21913 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21915 * tlink.c (scan_linker_output): Skip the initial underscore in
21916 a mangled name if appropriate.
21918 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21920 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21921 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21922 error_with_ivar, gen_declarator, create_builtin_decl,
21923 my_build_string, generate_descriptor_table, generate_ivars_list,
21924 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21925 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21926 dump_base_name, lang_decode_option, build_encode_expr,
21927 start_class, finish_class, encode_pointer, really_start_method,
21928 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21930 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21931 Add static prototypes.
21932 (build_objc_string_decl, build_selector_reference_decl,
21933 encode_bitfield, build_class_reference_decl): Remove unused
21934 parameter, all callers changed.
21935 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21936 (objc_printable_name): Likewise. Change second parameter to type int.
21937 (init_objc): Use memcpy, not bcopy, to avoid casts.
21939 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21941 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21942 reg notes on a deleted insn.
21943 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21945 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21947 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21949 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21951 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21954 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21956 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21957 * tm.texi (MD_ASM_CLOBBERS): Document it.
21959 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21961 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21962 * except.c (expand_rethrow): Remove unused variable.
21963 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21964 * flow.c (replace_insns): Likewise.
21965 (create_edge_list, verify_edge_list): Likewise.
21966 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21968 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21969 is special code to run.
21970 (main): Don't define operands to emit_operand.
21971 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21973 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21975 * alpha/alpha.h (normal_memory_operand): Declare.
21976 (reg_no_subreg_operand): Declare.
21977 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21979 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21981 * c-parse.in (compstmt_primary_start): New, broken out of first
21982 part of compstmt handling in primary.
21983 (primary): Use it. Add an error clause.
21984 (compstmt_nostart): Renamed from compstmt; remove all
21985 initial invocations of compstmt_start.
21988 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21990 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21993 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21995 * combine.c (simplify_shift_const): Remove extra semicolon.
21996 * dwarf2out.c (remove_AT): Likewise.
21997 * expmed.c (expand_mult): Likewise.
21998 * gcov.c (create_program_flow_graph): Likewise.
21999 * reorg.c (mostly_true_jump): Likewise.
22001 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
22003 * fold-const.c (fold_range_test): Do not try to fold the range
22004 test if the rhs or lhs has side effects.
22006 * combine.c (simplify_rtx): Recognize another case of a synthesized
22009 * varasm.c (mark_constant_pool): When marking indirect references,
22010 only look at SYMBOL_REFs.
22012 * except.c (expand_fixup_region_end): Do not peek at
22013 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
22015 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
22017 * flags.h: New variables align_loops, align_loops_log,
22018 align_jumps, align_jumps_log, align_labels, align_labels_log,
22019 align_functions, align_functions_log.
22020 * toplev.c: Define them.
22021 (f_options): Handle -falign-* when they have no argument.
22022 (main): Add logic to set variables for -falign-functions,
22023 -falign-jumps, -falign-labels, -falign-loops.
22024 Make it -fsched-verbose=<n> and -finline-limit=<n>.
22025 (display_help): Change help to match options.
22026 * final.c (LABEL_ALIGN): Default to align_labels_log.
22027 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
22028 (LOOP_ALIGN): Default to align_loops_log.
22029 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
22030 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
22031 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
22032 * varasm.c (assemble_start_function): Handle align_functions.
22034 * config/sparc/sparc.h: Don't declare sparc_align_*.
22035 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
22036 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
22038 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
22040 * config/sparc/sparc.c: Delete sparc_align_loops,
22041 sparc_align_jumps, sparc_align_funcs and the corresponding string
22043 (sparc_override_options): Default align_functions on ultrasparc.
22044 Delete -malign-* handling.
22046 * config/mips/mips.c (override_options): On 64-bit targets,
22047 try to align code to 64-bit boundaries.
22048 (print_operand): New substitution, %~,
22049 which aligns labels to align_labels_log.
22050 * config/mips/mips.md (div_trap_normal): Use %~.
22051 (div_trap_mips16): Likewise.
22053 (absdi2): Likewise.
22054 (ffssi2): Likewise.
22055 (ffsdi2): Likewise.
22056 (ashldi3_internal): Likewise.
22057 (ashrdi3_internal): Likewise.
22058 (lshrdi3_internal): Likewise.
22059 (casesi_internal): Likewise.
22061 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
22063 Merge new ia32 backend from the branch!
22065 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
22066 See ChangeLog.P2 on new_ia32_branch for details.
22068 * rtl.h (stack_regs_mentioned_p): Delete prototype.
22069 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
22070 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
22071 * i386/gas.h (ASM_FILE_START): Define.
22072 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
22073 for name change of ix86_valid_decl_attribute_p.
22074 (i386_pe_valid_type_attribute_p): Similarly.
22076 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
22078 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
22079 to step through CC modes.
22081 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22083 * regmove.c (fixup_match_1): Don't move INSN in front of P if
22084 it would end up in the shadow of a live flags regsiter.
22086 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22088 * reload1.c: Fix many indentation problems.
22089 * reload.c: Likewise.
22091 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
22093 * alias.c (non_local_reference_p): Constify fmt.
22095 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
22097 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
22099 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
22101 * cse.c (delete_trivially_dead_insns): Do not delete stores to
22102 the internal_arg_pointer.
22104 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
22106 Merge peephole2 from new_ia32_branch:
22107 * Makefile.in (STAGESTUFF): Add *.peephole2.
22108 (mostlyclean): Likewise.
22109 (recog.o): Depend on resource.h.
22111 * final.c (peephole): Conditionalize decl on HAVE_peephole.
22112 (final_scan_insn): Likewise for the invocation of peephole.
22113 * genconfig.c (main): Look for peephole and peephole2 patterns.
22114 Emit HAVE_peephole* accordingly.
22115 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
22116 * flags.h (flag_peephole2): Declare.
22117 * toplev.c: New pass peephole2. New flag -fpeephole2.
22119 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
22120 * gencodes.c (main): Likewise.
22121 * genextract.c (main): Likewise.
22122 * genoutput.c (main): Likewise.
22123 * genemit.c (max_operand_1): Look for the max scratch operand.
22124 (gen_rtx_scratch): New.
22125 (gen_exp): Use it, and pass on new arg subroutine_type.
22126 (gen_expand): Take max scratch into account.
22127 (gen_split): Emit peephole2 functions.
22128 (output_peephole2_scratch): New.
22129 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
22130 * genrecog.c (routine_type): Add PEEPHOLE2.
22132 (make_insn_sequence): Match outer parallel for peep2. Discard
22133 top level scratches and dups.
22134 (add_to_sequence): New args insn_type and top. Update all callers.
22135 Handle toplevel peep2 matching insns.
22136 (write_subroutine): Handle peep2.
22137 (write_tree_1): Likewise.
22138 (write_tree): Likewise.
22140 (change_state): New arg afterward. Update all callers.
22141 Handle matching separate insns.
22142 * recog.c (recog_next_insn): New.
22143 (peephole2_optimize): New.
22144 * rtl.def (DEFINE_PEEPHOLE2): New.
22145 * resource.c (find_free_register): New argument last_insn. Use it
22146 to find a register available through the entire span.
22147 * resource.h (find_free_register): Update prototype.
22149 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
22151 * i386.c (output_strlen_unroll): Don't write xops[7]
22152 label if it wasn't set.
22154 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
22156 * cpplib.c (struct directive): Const-ify name pointer and
22157 function pointer prototype.
22158 (validate_else, do_define, do_line, do_include, do_undef,
22159 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
22160 do_elif, do_endif, do_sccs, do_assert, do_unassert,
22161 do_warning): Const-ify second arg.
22162 (directive_table): Mark const. Reorder entries by frequency
22163 of usage, record statistics.
22165 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
22167 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
22168 bounds- check RTL accesses if --enable-checking.
22169 (RTVEC_ELT): Bounds check if --enable-checking.
22170 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
22171 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
22172 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
22174 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
22175 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
22177 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
22178 (NOTE_SOURCE_FILE): Use X0STR.
22179 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
22180 MEM_ALIAS_SET): Use X0INT.
22181 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
22182 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
22184 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
22185 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
22186 (rtl_check_failed_bounds, rtl_check_failed_type1,
22187 rtl_check_failed_type2, rtvec_check_failed_bounds): New
22189 (fancy_abort): Fix comment.
22191 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
22192 (cse_insn): Decrement LABEL_NUSES for jump target before
22193 deleting jump insn.
22194 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
22195 * final.c (alter_subreg): Compute regno before changing x to
22196 REG; set REGNO(x) after changing it.
22197 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
22198 notes containing CONST_INTs.
22199 (delete_eh_regions): Use NOTE_EH_HANDLER.
22200 * function.c (put_reg_into_stack): Make reg a MEM before
22202 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
22204 (gen_mem_addressof): Make reg a MEM before initializing it.
22205 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
22207 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
22208 deleting an insn, not after.
22209 (block_alloc): Only look at PATTERN(insn) if we have to, and
22210 only if it's format class 'i'.
22211 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22212 CONST_INT before using its INTVAL.
22213 * print-rtl.c (print_rtx): Use X0STR.
22214 * regmove.c (fixup_match_1): Don't look at PATTERN of
22215 non-class-'i' insn chain elements.
22216 * reload.c (loc_mentioned_in_p): Take address of
22217 in->fld[1].rtx directly.
22218 * reload1.c (reload): Change reg to a MEM before initializing
22220 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22222 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22224 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22226 * config/mips/mips.c (machine_dependent_reorg): Force a
22227 barrier to output the local constant pool if a barrier hasn't
22228 been found at a natural point in the instruction stream.
22230 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22232 * c-parse.in (language_string): Constify.
22234 * dwarf2out.c (language_string): Remove declaration.
22236 * dwarfout.c (language_string): Likewise.
22238 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22240 * tree.h (language_string, init_parse, finish_parse): Declare.
22242 * i386/sun386.h (language_string): Remove declaration.
22244 * mips.h (language_string): Likewise.
22246 * nextstep.h (language_string): Likewise.
22248 * nextstep21.h (language_string): Likewise.
22250 * rs6000.c (language_string): Likewise.
22252 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22254 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22255 (getpwd.o): Remove target.
22257 * getpwd.c: Delete file. Its in libiberty now.
22259 * dbxout.c (getpwd): Don't prototype.
22260 * dwarf2out.c (getpwd): Likewise
22261 * dwarfout.c (getpwd): Likewise
22262 * final.c (getpwd): Likewise.
22263 * protoize.c (getpwd): Likewise.
22265 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22267 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22269 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22271 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22272 mark_set_resources.
22274 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22276 * fixinc/Makefile.in (subdir): New.
22277 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22280 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22282 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22283 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22286 * invoke.texi: Fix typo.
22288 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22289 changed. Handle autoincrement addressing modes.
22291 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22292 just like we would the virtual incoming args register when
22295 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22297 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22298 path, in .file directive.
22300 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22302 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22305 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22307 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22310 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22312 * tree.c (tree_code_name): Constify a char*.
22314 * tree.h (tree_code_name, decl_printable_name): Likewise.
22316 * function.h (struct function): Likewise.
22318 * toplev.c (decl_name, decl_printable_name): Likewise.
22320 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22322 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22323 (init_objc): Remove function pointer cast.
22325 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22327 * pa.md (interspace_jump): New pattern.
22328 (builtin_longjmp): New expander.
22330 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22332 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22333 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22334 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22336 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22338 * jump.c (delete_prior_computation): Also check calls
22339 to constant functions. Don't bother checking for a
22340 REG_UNUSED note before adding it.
22341 (delete_computation): Handle multi-word hard registers
22342 when synthesizing missing REG_DEAD notes for a register
22343 which is both set and used by an insn.
22345 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22347 * loop.c (this_loop_info): New variable.
22348 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22349 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22351 (prescan_loop, strength_reduce): New argument loop_info. All callers
22353 (scan_loop): New variable loop_info, initialise to address of
22355 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22356 Delete variable loop_has_multiple_exit targets and replace with
22357 field in this_loop_info.
22358 (find_and_verify_loops): Rename this_loop to this_loop_num.
22359 (strength_reduce): Delete loop_iteration_info. Replace variable
22360 loop_info with function argument of same name.
22361 (insert_bct): Rework test for loop being completely unrolled.
22363 * loop.h (struct loop_info): New fields num, loops_enclosed,
22364 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22365 has_indirect_jump, and cont. Redefine use of unroll_number.
22366 (loop_unroll_number): Delete.
22368 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22369 field of loop_info.
22370 (loop_iterations): Delete variable vtop and instead use
22371 loop_info->vtop computed in prescan_loop.
22373 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22375 * fix-header.c (main): Do not pass a null pointer to strcmp.
22377 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22379 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22381 * configure: Rebuilt.
22383 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22385 * jump.c (jump_optimize_1): Do not delete assignments to
22386 internal_arg_pointer.
22387 * cse.c (delete_trivially_dead_insns): Always consider a set of
22388 the internal_arg_pointer live.
22390 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22392 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22393 (update_life_info) [REG_WAS_0]: Search the original insns rather
22394 than the new insns for the note. Fix typos finding note_dest.
22395 If no dest found, discard the note rather than abort.
22396 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22397 (replace_insns): Remove the old insn list after update_life_info
22400 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22402 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22403 sched_analyze_insn.
22404 (sched_analyze_1): Let add_dependence care for not adding dups.
22405 (sched_analyze_2): Likewise.
22406 (add_branch_dependences): Likewise.
22408 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22410 * i386/winnt.c (export_list): New type.
22411 (exports_head): Rename to
22412 (export_head): this.
22413 (i386_pe_record_exported_symbol): Add is_data flag.
22414 (i386_pe_asm_file_end): Emit directive for exported variables.
22415 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22417 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22418 (ASM_DECLARE_OBJECT_NAME): Likewise.
22419 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22420 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22422 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22424 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22426 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22429 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22431 * config/openbsd.h: Define SET_ASM_OP.
22432 * tm.texi: cross-reference SET_ASM_OP in the index.
22434 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22436 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22437 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22438 and class_narrowest_mode at compile time. Kill init_rtl.
22439 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22440 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22441 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22443 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22445 * rtl.h: Declare rtx_length and rtx_format as const.
22446 * machmode.def: Define CC(). Use CC() to define CCmode. If
22447 EXTRA_CC_MODES is defined, expand it here.
22448 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22449 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22450 const. Kill all references to EXTRA_CC_MODES.
22452 * toplev.c: Don't prototype or call init_rtl.
22453 * optabs.c: Don't call init_mov_optab.
22454 * genemit.c: Don't generate init_mov_optab. Don't call
22456 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22458 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22459 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22460 genrecog.c: Don't call init_rtl.
22462 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22463 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22464 definition of EXTRA_CC_MODES.
22466 * md.texi: Kill ref to EXTRA_CC_NAMES.
22467 * tm.texi: Document new way to define EXTRA_CC_MODES.
22469 * genrecog.c: Do not look up the name of a define_split.
22470 (Unrelated bugfix.)
22472 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22474 * config/v850/v850.md: Fix typo introduced by previous delta.
22476 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22478 * gcc.c (fatal): Make definition static to match prototype.
22480 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22482 * combine.c (get_last_value): Don't look for earlier sets if the last
22483 known set is somewhere in between the insns being combined.
22485 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22487 * configure.in: Don't use shell ! to negate exit codes
22488 * configure: Regenerate
22490 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22492 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22493 the fact that ALIGN is measured in bits, not bytes.
22495 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22497 * errors.c: New file; defines functions error, warning, and
22498 fatal, variables have_error and progname.
22499 * errors.h: New file; prototypes and decls for stuff in errors.c.
22501 * Makefile: Add rules to build errors.o and
22502 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22503 genopinit, genrecog, genextract, genpeep, genattr, and
22504 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22505 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22506 genpeep.o, genattr.o, and genoutput.o.
22508 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22509 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22510 define or prototype fatal. Set progname at beginning of main.
22511 * genoutput.c: Likewise, and don't define or prototype error
22514 * c-typeck.c (c_expand_start_case): Return immediately if exp
22516 * fold-const.c (operand_equal_p): Return immediately if arg1
22517 or arg0 are ERROR_MARKs.
22518 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22519 fields of type ERROR_MARK when calculating if the record can
22522 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22523 with much help from Jeffrey A Law and Richard Henderson
22525 * i386.md: In the 6 insns which call output_fix_trunc,
22526 earlyclobber operands[0].
22528 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22530 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22531 creating new registers.
22533 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22535 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22536 i386_reg_alloc_order, i386_regparm_string,
22537 i386_align_loops_string, i386_align_jumps_string,
22538 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22539 and i386_branch_cost_string as type "const char *".
22540 * i386.c: Define all above strings as type "const char *".
22542 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22544 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22545 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22547 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22549 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22550 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22552 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22554 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22555 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22556 (dwarf2out_line, dwarf2out_finish): Likewise.
22557 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22559 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22561 * tree.c (lang_unsave_expr_now) : Correct return type.
22562 * tree.h (lang_unsave_expr_now) : Same.
22564 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22566 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22567 instead of duplicating code.
22569 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22571 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22573 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22575 * tree.h: fancy_abort always takes three args.
22576 * resource.c: Move include of system.h before toplev.h.
22578 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22580 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22583 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22585 * system.h: Don't redefine abort or trim_filename.
22586 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22587 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22588 whether or not __FUNCTION__ is available.
22589 * tree.h: Duplicate rtl.h's definition of abort, for files
22590 that don't include rtl.h. Delete all code to perform type
22591 checking with a compiler other than GCC.
22592 * varray.h: Delete all code to perform type checking with a
22593 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22594 its arguments exactly once, using a statement expression.
22595 Adjust the VARRAY_<type> accessor macros to match.
22596 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22597 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22598 caller's location. Define fatal_insn and fatal_insn_not_found
22599 as macros that use _fatal_insn and _fatal_insn_not_found.
22600 (fancy_abort, trim_filename): Kill prototypes.
22602 * rtl.c (trim_filename): Move here from toplev.c.
22603 (fancy_abort): New function.
22604 (DIR_SEPARATOR): Provide default definition.
22605 * tree.c (tree_check_failed, tree_class_check_failed): Go
22606 through fancy_abort.
22607 (tree_check, tree_class_check, cst_or_constructor_check,
22608 expr_check): Delete.
22609 * varray.c (varray_check_failed): New function.
22610 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22611 _fatal_insn and _fatal_insn_not_found. Go through
22613 (trim_filename, fancy_abort): Delete.
22615 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22616 * except.c (start_catch_handler): Report ICE with error/abort
22618 * final.c (output_operand_lossage): Likewise.
22619 * flow.c (verify_flow_info): Likewise.
22621 * gcc.c: Prototype fatal.
22622 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22623 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22624 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22625 Don't define fancy_abort.
22627 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22629 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22632 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22634 * m88k.h (VERSION_INFO2): Kill.
22635 (VERSION_STRING): Kill.
22637 (VERSION_INFO1): Tidy.
22638 (TARGET_VERSION): Update.
22639 * m88k/dgux.h (VERSION_INFO2): Kill.
22640 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22641 * m88k/luna.h (VERSION_INFO1): Tidy.
22642 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22643 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22644 (output_file_start): Adjust for death of VERSION_STRING.
22646 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22648 * cpplib.c (detect_if_not_defined): New function.
22649 (do_if): Use it to detect potential once-only headers.
22651 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22653 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22655 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22657 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22658 anywere in the function only if they are pseudos and set before
22659 being used (not live at the start of the function).
22660 (num_sign_bit_copies) : Same.
22661 (get_last_value_validate) : Same.
22662 (get_last_value) : Same.
22664 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22666 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22667 where N and M are constant and N is an integer multiple of M.
22669 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22671 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22672 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22673 sbitmap_union_of_preds): Add prototypes.
22674 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22675 the intersection of successors with the new flow graph structures.
22676 (sbitmap_intersection_of_preds): New function to compute the
22677 intersection of predecessors with the new flow graph structures.
22678 (sbitmap_union_of_succs): New function to compute the union of
22679 successors with the new flow graph structures.
22680 (sbitmap_union_of_preds): New function to compute the union of
22681 predecessors with the new flow graph structures.
22682 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22683 (expr_reaches_here_p): Use edge and basic_block structures instead
22684 of s_preds and s_succs.
22685 (compute_cprop_avinout): Use new sbitmap routines.
22686 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22687 of s_preds and s_succs.
22688 * flow.c (compute_flow_dominators): Compute dominators using
22689 edges and basic blocks instead of s_preds and s_succs.
22691 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22693 * lists.c (unused_insn_list, unused_expr_list): New file for
22694 maintaining various types of lists. New statics for maintaining a
22695 cache of available INSN_LIST and EXPR_LIST nodes.
22696 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22697 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22698 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22699 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22700 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22701 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22702 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22703 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22704 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22705 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22706 (remove_dependence, free_pending_lists): Use new global routines.
22707 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22708 (sched_analyze, compute_block_backward_dependences): Use new routines.
22709 (sched_analyze_1, sched_analyze_2): Use new routines.
22710 (schedule_insns): Use new global routines.
22711 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22713 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22714 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22716 * toplev.c (rest_of_compilation): Initialize node cache.
22717 * Makefile.in (OBJS): Add lists.o to list of object files.
22718 (lists.o): Add dependancies.
22720 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22722 * config/v850/v850.md: Fix compile time warning messages.
22723 * config/v850/v850.c: Fix compile time warning messages.
22724 * config/v850/v850.h: Fix compile time warning messages.
22726 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22728 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22729 Remove unused prototype for `init_lengths'.
22731 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22733 * calls.c (emit_call_1): Mark parameter `stack_size' with
22735 (expand_call): Initialize variable `insn'.
22736 (emit_library_call): Likewise for variable `high_to_save'.
22737 (emit_library_call_value): Likewise.
22738 (store_one_arg): Likewise for variables `lower_bound' and
22741 * combine.c (try_combine): Likewise for variables `i2_code_number'
22742 and `other_code_number'.
22743 (find_split_point): Likewise for variables `pos', `unsignedp' and
22745 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22746 (simplify_and_const_int): Remove unused variable `width'.
22747 (merge_outer_ops): Likewise.
22749 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22750 HOST_WIDE_INT' when comparing against one.
22751 (simplify_relational_operation): Likewise.
22752 (cse_insn): Initialize variables `src_eqv_volatile',
22753 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22755 * final.c (init_final): Constify parameter `filename'.
22756 (final_start_function): Mark parameter `optimize' with
22758 (profile_function): Likewise for parameters `first' and `optimize'.
22759 (output_source_line): Likewise for parameter `file'.
22761 * integrate.c (subst_constants): Cast a value to `size_t' when
22762 comparing against one.
22763 (mark_stores): Initialize variable `mode'. Cast a value to
22764 `size_t' when comparing against one.
22766 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22768 * loop.c (move_movables): Initialize variable `first'.
22769 (strength_reduce): Likewise for variable `increment'.
22770 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22771 value to `size_t' when comparing against one.
22772 (load_mems): Initialize variable `end_label'.
22774 * output.h (init_final): Constify parameter.
22776 * reload.c (decompose): Initialize variable `base'.
22778 * reload1.c (reload): Likewise for variable `is_scalar'.
22779 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22780 (choose_reload_regs): Initialize variable `mode'.
22781 (emit_reload_insns): Likewise for variable `store_insn'.
22782 (reload_cse_noop_set_p): Mark parameter `insn' with
22784 (reload_combine): Initialize variable `set'.
22786 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22787 (copy_loop_body): Cast a value to `size_t' when comparing against
22790 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22791 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22792 (remove_from_pending_weak_list): Mark parameter `name' with
22795 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22797 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22800 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22802 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22803 (ASM_DECLARE_FUNCTION_NAME): Define.
22804 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22805 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22806 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22807 not already defined.
22809 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22811 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22812 of n_popped when call/call_value are not defined.
22814 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22816 * tm.texi: GNU CC -> GCC conversion.
22817 (CC1_SPEC): Indicate it is used for all language front ends.
22819 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22821 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22822 NOTE_INSN_EH_REGION_END correctly.
22824 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22825 Jeff Law <law@cygnus.com>
22827 * loop.c (strength_reduce): Automatically unroll loops if the
22828 unrolled loop size is smaller than the rolled loop size.
22830 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22831 and delete comment that code should be rewritten.
22833 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22835 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22838 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22840 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22842 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22843 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22844 (LINK_SPEC): Add -u _main when building executables.
22845 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22846 (ASM_FILE_END): Use the default for ix86-pe.
22847 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22849 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22851 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22852 and ASM_CLOSE_PAREN are empty strings.
22854 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22855 Geoffrey Keating <geoffk@cygnus.com>
22857 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22858 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22859 (unprotoize.o): Ditto.
22860 (test-protoize-simple): Don't define STD_PROTO_DIR.
22861 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22862 changes to make 'test-protoize-simple' pass.
22863 (STD_PROTO_DIR): Remove define.
22864 (STANDARD_EXEC_PREFIX): Supply default define.
22865 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22866 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22867 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22868 (GET_ENV_PATH_LIST): New macro.
22869 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22870 (do_processing): Initialize default_syscalls_dir using new
22871 macros. Use it to initialize syscalls_absolute_filename.
22873 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22875 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22876 B into a register before emit_conditional_move.
22878 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22880 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22881 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22882 multiplicand out of (+ (* a b) (* c d)).
22884 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22885 Richard Henderson <rth@cygnus.com>
22887 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22888 (new_insn_dead_notes): Likewise.
22889 (update_n_sets): Likewise.
22890 (update_flow_info): Move to flow.c, renamed to update_life_info;
22891 extend to handle multiple source insns.
22892 * flow.c: Include resource.h
22893 (unlink_insn_chain): New.
22894 (split_hard_reg_notes): New.
22895 (maybe_add_dead_note): New.
22896 (maybe_add_dead_note_use): New.
22897 (find_insn_with_note): New.
22898 (new_insn_dead_notes): New.
22899 (update_n_sets): New.
22900 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22901 (maybe_remove_dead_notes): New.
22902 (update_life_info): New.
22903 (prepend_reg_notes): New.
22904 (replace_insns): New.
22905 * output.h (update_life_info): Declare.
22906 * recog.c (split_block_insns): Use update_life_info.
22907 * resource.c (find_free_register): Use reg_alloc_order, don't use
22908 fixed regs, make sure the mode is supported, don't use new regs.
22910 * rtl.h (replace_insns): Declare.
22912 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22914 * expr.c (expand_expr): Cope with COND_EXPRs with one
22915 non-returning branch.
22917 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22919 * expr.c (store_expr): Always pass down the target, even when not
22922 1999-08-24 Nick Clifton <nickc@cygnus.com>
22924 * configure.in: Define target_cpu_default for v850 targets.
22925 * configure: Regenerate
22927 * config/v850/v850.h (TARGET_CPU_generic): Define.
22928 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22929 addresses are 4 byte aligned.
22931 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22934 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22936 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22937 (main): Add prototypes.
22939 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22940 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22941 (write_attr_get): Emit prototypes along with function definition.
22942 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22943 (write_complex_function): Emit static prototype along with
22944 function definition.
22946 * genemit.c (gen_split): Emit prototypes along with function
22949 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22950 Likewise for predicates and `insn_operand_predicate'.
22951 (process_template): Emit static prototype along with function
22954 * genrecog.c (make_insn_sequence): Constify a char*. Add
22955 prototypes for get_split_*().
22956 (write_subroutine): Emit prototypes along with function
22959 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22961 * gcse.c (find_avail_set): Follow chains of register-register copies.
22962 Use oprs_not_set_p to guarantee that the returned value can be
22964 (cprop_insn): Don't verify the return value of find_avail_set with
22967 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22968 (cprop_cc0_jump): New function.
22969 (cprop_insn): Break out new function cprop_jump and use it.
22970 Also use cprop_cc0_jump for machines with CC0.
22971 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22973 * tree.h (current_function_calls_setjmp,
22974 current_function_calls_longjmp): Delete declarations.
22975 * dsp16xx.c: Include "function.h".
22976 * elxsi.c: Likewise.
22977 * gmicro.c: Likewise.
22978 * h8300.c: Likewise.
22979 * i370.c: Likewise.
22980 * m32r.c: Likewise.
22981 * mn10200.c: Likewise.
22982 * mn10300.c: Likewise.
22983 * ns32k.c: Likewise.
22984 * spur.c: Likewise.
22985 * v850.c: Likewise.
22987 * rtl.h (rtx_equal_function_value_matters): Declare.
22988 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22990 * function.c: Likewise.
22991 * emit-rtl.c: Likewise.
22993 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22995 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22998 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23000 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
23003 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
23005 * cpp.texi: Add a node documenting macro varargs (copied
23008 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
23010 * cppspec.c: Put a null pointer at the end of the new argv.
23012 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
23014 * configure.in: Remove code to select/de-select the haifa
23015 scheduler. Every scheduled port gets haifa now.
23016 * configure: Rebuilt.
23017 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
23019 * Makefile.in: Corresponding changes.
23021 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23023 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
23024 All callers changed.
23025 (prepare_float_lib_cmp): Likewise.
23026 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
23027 * expr.h (emit_float_lib_cmp): Delete declaration.
23028 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
23029 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
23030 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
23032 (cmptf): Now conditional on TARGET_HARD_QUAD.
23034 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
23036 * resource.c (mark_target_live_regs): Use
23037 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
23039 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23041 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
23043 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
23045 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
23047 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23049 * rtl.h (rtx_format): Constify a char*.
23051 * rtl.c (rtx_format): Likewise.
23052 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
23053 (init_rtl): Use accessor macro, not `rtx_format'.
23055 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
23058 * caller-save.c (mark_referenced_regs): Likewise.
23060 * combine.c (subst, make_compound_operation, known_cond,
23061 gen_rtx_combine, update_table_tick, get_last_value_validate,
23062 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
23064 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
23065 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
23066 count_reg_usage): Likewise.
23068 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
23071 * final.c (leaf_renumber_regs_insn): Likewise.
23073 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
23074 dump_edge_info, count_reg_references): Likewise.
23076 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
23077 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
23080 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
23081 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
23082 add_label_notes): Likewise.
23084 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
23085 clear_struct_flag, count_sub_rtxs, count_alternatives,
23086 compares_alternatives_p, contained_in_p, walk_attr_value,
23087 write_expr_attr_cache): Likewise.
23089 * genconfig.c (walk_insn_part): Likewise.
23091 * genemit.c (max_operand_1, gen_exp): Likewise.
23093 * genextract.c (walk_rtx): Likewise.
23095 * genflags.c (num_operands): Likewise.
23097 * genoutput.c (scan_operands): Likewise.
23099 * genpeep.c (match_rtx): Likewise.
23101 * genrecog.c (add_to_sequence): Likewise.
23103 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
23106 * integrate.c (save_constants, copy_for_inline,
23107 copy_rtx_and_substitute, subst_constants, restore_constants):
23110 * jump.c (mark_jump_label, invert_exp, redirect_exp,
23111 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
23113 * local-alloc.c (contains_replace_regs, memref_referenced_p):
23116 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
23117 add_label_notes, replace_call_address, count_nonfixed_reads,
23118 invariant_p, find_single_use_in_loop, find_mem_givs,
23119 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
23122 * print-rtl.c (reg_names, print_rtx): Likewise.
23124 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
23126 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
23127 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
23128 print_blocks): Likewise.
23130 * regclass.c (fix_register, record_address_regs,
23131 reg_scan_mark_refs): Likewise.
23133 * regmove.c (stable_but_for_p): Likewise.
23135 * reload.c (loc_mentioned_in_p, operands_match_p,
23136 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
23137 copy_replacements, refers_to_regno_for_reload_p,
23138 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
23139 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
23142 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
23143 delete_address_reloads_1, count_occurrences,
23144 reload_cse_mem_conflict_p, reload_combine_note_use,
23145 add_auto_inc_notes): Likewise.
23147 * resource.c (mark_referenced_resources, mark_set_resources):
23150 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
23151 reg_mentioned_p, regs_set_between_p, modified_between_p,
23152 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
23153 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
23154 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
23155 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
23157 * sched.c (sched_analyze_2, attach_deaths): Likewise.
23159 * stupid.c (stupid_mark_refs): Likewise.
23161 * unroll.c (remap_split_bivs): Likewise.
23163 * varasm.c (mark_constants): Likewise.
23165 * a29k/a29k.c (uses_local_reg_p): Likewise.
23167 * alpha/alpha.c (summarize_insn): Likewise.
23169 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
23170 eliminate_lr2ip): Likewise.
23172 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
23174 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
23175 reg_mentioned_in_mem): Likewise.
23177 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
23178 symbolic_reference_mentioned_p): Likewise.
23180 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
23182 * sh/sh.c (regs_used, mark_use): Likewise.
23184 * vax/vax.c (vax_rtx_cost): Likewise.
23186 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23188 * machmode.h (mode_name): Constify a char*.
23190 * rtl.c (mode_name): Likewise.
23192 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
23194 * optabs.c (init_libfuncs): Constify a char*.
23196 * print-tree.c (mode_name): Remove redundant declaration.
23197 (print_node): Use accessor macro, not `mode_name'.
23199 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
23201 (new_spill_reg): Constify a char*.
23203 * tree.c (mode_name): Remove redundant declaration.
23205 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23207 * rtl.c (rtx_name): Constify a char*.
23209 * rtl.h (rtx_name, fix_sched_param): Likewise.
23211 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23212 (mypr): Use accessor macro, not `rtx_name'.
23214 * genemit.c (print_code): Constify a char*.
23216 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23218 * genpeep.c (print_code): Constify a char*.
23220 * genrecog.c (print_code): Likewise.
23222 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23223 end_bb): Add static prototype.
23224 (draw_edge): Constify a char*.
23225 (end_bb): Remove unused parameter.
23227 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23228 print_block_visualization): Constify a char*.
23230 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23232 * c-common.c (c_get_alias_set): Update comment.
23234 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23236 * linux.h (LIB_SPEC): Added.
23238 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23240 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23242 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23244 * tree.c (expr_check): Fix typo in last change.
23246 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23248 * rtl.def (NOTE): Change format to "iuu0n".
23249 (ADDR_DIFF_VEC): Change format to "eEee0".
23250 (ADDRESSOF): Change format to "eit".
23252 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23253 (RTVEC_ELT): Change to match.
23254 (XVECEXP): Use XVEC and RTVEC_ELT.
23255 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23256 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23257 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23258 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23259 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23260 (INTVAL): Use XWINT.
23261 (ADDRESSOF_DECL): Use XTREE.
23262 (SET_ADDRESSOF_DECL): Delete.
23263 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23264 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23265 ifdefed out since 2.6 at least.
23266 (gen_rtvec_vv): Delete prototype.
23268 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23270 (copy_most_rtx): Handle 't' format letter.
23271 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23272 (gen_rtvec_vv): Delete function. All callers changed to use
23273 gen_rtvec_v instead.
23274 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23275 the '0' format letter.
23277 * function.c (gen_mem_addressof): Don't use
23278 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23280 * integrate.c (copy_rtx_and_substitute): Likewise.
23281 Copy 't' slots with XTREE.
23282 (subst_constants): Treat 't' slots like '[swi]' slots.
23283 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23284 * jump.c (rtx_equal_for_thread_p): Likewise.
23285 * rtlanal.c (rtx_equal_p): Likewise.
23286 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23287 only four arguments.
23288 * gengenrtl.c (type_from_format): Provide correct types for
23292 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23293 If a recent gcc is in use (always in stage2 and beyond), use
23294 statement expressions, so we don't make a function call unless
23295 the check fails. Evaluate arguments exactly once.
23296 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23297 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23299 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23300 they evaluate their arguments exactly once, irrespective of
23301 the compiler in use.
23303 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23304 is used by the currently-enabled check macros. This is:
23305 (tree_check_failed, tree_class_check_failed): For gcc.
23306 (tree_check, tree_class_check, cst_or_constructor_check,
23307 expr_check): For other compilers.
23309 * gencheck.c: Do not define any *_CHECK1 macros.
23311 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23312 Mark Mitchell <mark@codesourcery.com>
23314 * c-common.c (c_get_alias_set): Fix support for poitners and
23317 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23319 * alias.c: Include tree.h.
23320 (nonlocal_reference_p, mark_constant_function): New functions.
23321 * flow.c (life_analysis): Call mark_constant_function.
23322 * rtl.h (mark_constant_function): Declare it.
23324 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23326 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23327 unrecognisable switches.
23329 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23331 * loop.c (recombine_givs): Set ix field after sorting.
23332 (recombine_givs): Remove bogus index / giv lockstep looping.
23334 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23336 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23338 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23339 (do_cmp_and_jump): Formatting fixes.
23340 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23341 do_compare_rtx_and_jump instead of compare_from_rtx.
23342 (do_compare_rtx_and_jump): New function; mostly copied from
23344 (do_jump_for_compare): Delete.
23345 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23347 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23348 of compare/do_jump_for_compare pairs.
23349 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23350 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23351 compare_from_rtx/do_jump_for_compare pairs.
23352 (do_jump_by_parts_equality): Likewise.
23353 (do_jump_by_parts_equality_rtx): Likewise.
23354 * expr.h (do_compare_rtx_and_jump): Declare.
23355 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23356 that used to be in emit_cmp_insn.
23357 (cmp_available_p): New function.
23358 (prepare_operand): New function.
23359 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23360 to be in emit_cmp_insn.
23361 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23362 parameters to be pointers; don't emit final compare but modify some of
23363 the values pointed to by the args so the caller can perform the
23364 correct comparison.
23365 (expand_binop): Call emit_store_flag_force with signed forms of
23367 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23368 emit_jump_insn pair.
23369 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23370 emit_cmp_and_jump_insn_1. Call emit_queue.
23371 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23373 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23374 jump sets cc0 before deleting it.
23375 * integrate.c (expand_inline_function): Likewise.
23376 * unroll.c (unroll_loop): Similar changes in several places.
23377 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23378 before deleting it.
23380 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23382 * Makefile.in (insn-recog.o): Update dependencies.
23383 * genrecog.c (main): Make generated file include "function.h".
23385 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23387 * cse.c (cse_insn): Call never_reached_warning when a jump is
23388 changed to be unconditional.
23389 * flags.h: Declare warn_notreached.
23390 * flow.c (delete_block): Call never_reached_warning when
23391 a block is deleted.
23392 * jump.c (delete_barrier_successors): Call never_reached_warning
23393 when we delete everything after a BARRIER.
23394 (never_reached_warning): New function.
23395 * rtl.h: Declare never_reached_warning.
23396 * toplev.c (warn_notreached): New variable.
23397 (lang_independent_options): Set warn_notreached
23398 when -Wunreachable-code.
23399 (compile_file): We need line numbers for -Wunreachable-code.
23401 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23403 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23404 * sched.c (insn_unit): Likewise.
23406 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23408 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23410 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23412 * flow.c (create_edge_list): Use xmalloc, not malloc.
23414 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23416 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23417 C-style comments. Do not lose the character before double slash.
23419 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23421 * basic-block.h (struct edge_list): Stucture to maintain a vector
23423 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23424 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23425 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23426 New function prototypes.
23427 * flow.c (create_edge_list): Function to create an edge list.
23428 (free_edge_list): Discards memory used by an edge list.
23429 (print_edge_list): Debug output showing an edge list.
23430 (verify_edge_list): Internal consistency check for an edge list.
23431 (find_edge_index): Function to find an edge index for a pred and succ.
23433 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23435 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23438 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23440 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23442 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23444 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23446 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23448 * toplev.c (rest_of_compilation): Allow machine dependent
23449 reorganisation pass to place information into the RTL dump
23450 file if it so wishes.
23452 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23454 * explow.c (hard_function_value): Use VOIDmode instead of
23456 * stmt.c (expand_return): Likewise.
23457 * stor-layout.c (get_best_mode): Likewise.
23459 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23460 emit call instead of emit_insn call.
23462 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23464 * configure.in: Handle --disable/enable-win32-registry.
23465 * install.texi: Document --disable/enable-win32-registry.
23466 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23467 (WIN32_REGISTRY_KEY): New macro.
23468 * prefix.c: Use to enable/disable win32-specific code.
23469 (lookup_key): Use versioned key.
23470 * configure: Regenerate.
23471 * config.in: Likewise.
23473 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23475 * cpplib.c (read_line_number): New fn, split out of...
23478 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23480 tree.c (lang_unsave_expr_now) : New.
23481 (unsave_expr_now): Call lang_unsave_expr_now.
23482 tree.h (lang_unsave_expr_now) : New.
23484 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23486 * toplev.c (flag_new_exceptions): On by default.
23488 1999-08-13 Michael Meissner <meissner@cygnus.com>
23490 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23492 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23494 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23495 INTEGER_TYPE with precision==1, it's __java_boolean.
23497 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23499 * global.c (prune_preferences): Move some invariants out of the
23502 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23504 * configure.in (alpha*-dec-osf*): Add osf5.
23506 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23508 * configure.in: Rework handling of ARM GNU/Linux slightly.
23509 (arm*-*-linux-gnuoldld): New target.
23510 * configure: Regenerate.
23511 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23512 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23513 * config/arm/linux-oldld.h: New file.
23514 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23515 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23517 * config/arm/linux-elf.h (ASM_SPEC): Define.
23518 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23519 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23520 for 26-bit APCS and old linker.
23521 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23523 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23524 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23525 don't define `arm' or `arm_elf'.
23526 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23527 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23529 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23531 * rtl.texi: Fix typo.
23533 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23535 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23537 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23539 * extend.texi (C++ Signatures): Remove node.
23540 * invoke.texi: Remove discussion of -fhandle-signatures,
23541 signature, sigof, __signature__, and __sigof__.
23543 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23545 * Makefile.in (JAVAGC): Removed.
23547 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23549 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23551 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23553 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23555 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23557 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23558 a register that is already known to be a pointer.
23560 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23562 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23563 * fixinc/inclhack.sh: Regenerated.
23564 * fixinc/fixincl.sh: Regenerated.
23566 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23568 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23569 Fix documentation of -ansi flag to describe its C++ behavior.
23570 Remove bogus reference to GCC 2.9.
23572 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23574 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23575 note if it is non-NULL.
23577 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23579 * except.h (eh_nesting_info): Add new structure defintion.
23580 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23581 (reachable_handlers, update_rethrow_references): Add function
23583 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23584 a rethrow symbol instead of an integer exception region number.
23585 * flow.c (Make_edges): Use new exception nesting routines to determine
23586 which handlers are reachable from a CALL or asynchronous insn.
23587 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23589 (delete_eh_regions): Update rethrow labels, and don't delete
23590 regions which are the target of a rethrow.
23591 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23592 avoid overloading the SYMBOL_REF_USED flag.
23593 (rethrow_symbol_map): Use new rethrow_ref field.
23594 (rethrow_used): Use new rethrow_ref field.
23595 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23596 of an integer. Fix formatting.
23597 (output_exception_table_entry): Use new rethrow_ref field.
23598 (can_throw): Check for EH_REGION_NOTE before deciding
23599 whether a CALL can throw or not.
23600 (scan_region): Call rethrow_used() instead of accessing data structure.
23601 (update_rethrow_references): New function to make sure only regions
23602 which are still targets of a rethrow are flagged as such.
23603 (process_nestinfo): New static function to initialize a handler
23604 list for a specific region.
23605 (init_eh_nesting_info): New function to allocate and initialize
23606 the list of all EH handlers reachable from all regions.
23607 (reachable_handlers): New function to retrieve the list of handlers
23608 reachable from a specific region and insn.
23609 (free_eh_nesting_info): New function to dispose of a list of
23610 reachable handlers.
23612 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23614 * flow.c (split_edge): Set JUMP_LABEL field.
23615 (commit_one_edge_insertion): Set head correctly for insert_before.
23616 When inserting insns, update insn block numbers if allocated.
23618 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23620 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23621 retry_incomplete_types): Add static prototype.
23622 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23623 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23624 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23625 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23626 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23629 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23630 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23632 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23634 * output.h (assemble_name): Constify a char*.
23636 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23637 assemble_variable, assemble_name): Likewise.
23639 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23641 * arm/pe.c (arm_pe_unique_section): Likewise.
23643 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23645 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23647 * i386/interix.c (i386_pe_unique_section): Likewise.
23649 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23651 * i386/winnt.c (i386_pe_unique_section): Likewise.
23653 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23655 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23657 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23659 * pa/pa.c (output_call): Likewise.
23661 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23663 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23665 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23668 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23671 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23673 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23674 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23676 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23678 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23680 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23682 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23684 * tree.h (lang_identify): Constify a char*.
23685 (print_error_function): Add extern prototype. Constify a char*.
23687 * c-lang.c (lang_identify): Constify a char*.
23689 * objc/objc-act.c (lang_identify): Constify a char*.
23691 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23693 * genpeep.c (main): Make generated file include "function.h".
23694 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23696 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23698 * Makefile.in: Update dependencies.
23699 * alias.c: Include "function.h"
23700 * c-decl.c: Likewise.
23701 * caller-save.c: Likewise.
23702 * calls.c: Likewise.
23703 * combine.c: Likewise.
23705 * explow.c: Likewise.
23706 * final.c: Likewise.
23707 * global.c: Likewise.
23708 * graph.c: Likewise.
23709 * local-alloc.c: Likewise.
23710 * loop.c: Likewise.
23711 * optabs.c: Likewise.
23712 * profile.c: Likewise.
23713 * recog.c: Likewise.
23714 * regclass.c: Likewise.
23715 * regmove.c: Likewise.
23716 * reload.c: Likewise.
23717 * reorg.c: Likewise.
23718 * resource.c: Likewise.
23719 * sched.c: Likewise.
23720 * stupid.c: Likewise.
23721 * config/1750a/1750a.c: Likewise.
23722 * config/a29k/a29k.c: Likewise.
23723 * config/arc/arc.c: Likewise.
23724 * config/arm/arm.c: Likewise.
23725 * config/arm/thumb.c: Likewise.
23726 * config/c4x/c4x.c: Likewise.
23727 * config/clipper/clipper.c: Likewise.
23728 * config/convex/convex.c: Likewise.
23729 * config/fx80/fx80.c: Likewise.
23730 * config/i860/i860.c: Likewise.
23731 * config/m68k/m68k.c: Likewise.
23732 * config/m88k/m88k.c: Likewise.
23733 * config/mips/mips.c: Likewise.
23734 * config/pdp11/pdp11.c: Likewise.
23735 * config/pyr/pyr.c: Likewise.
23736 * config/romp/romp.c: Likewise.
23737 * config/sh/sh.c: Likewise.
23738 * config/tahoe/tahoe.c: Likewise.
23739 * config/vax/vax.c: Likewise.
23740 * config/we32k/we32k.c: Likewise.
23741 * config/sparc/sparc.c: Include "function.h".
23742 (mem_min_alignment): Test current_function rather than
23743 regno_pointer_align.
23744 * config/pa/pa.c: Likewise.
23745 (compute_frame_size): Delete declaration of
23746 current_function_outgoing_args_size.
23747 * config/arc/arc.h (current_function_varargs): Delete declaration.
23748 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23750 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23752 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23753 current_function_uses_pic_offset_table.
23754 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23755 of current_function_returns_pointer.
23756 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23757 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23758 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23759 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23760 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23761 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23762 * config/m88k/m88k.c: Include "function.h"
23763 (call_used_regs, current_function_pretend_args_size,
23764 current_function_outgoing_args_size, frame_pointer_needed): Delete
23766 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23768 * config/mips/mips.h (current_function_calls_alloca): Delete
23770 * config/mn10200/mn10200.h (current_function_needs_context,
23771 rtx_equal_function_value_matters): Delete declarations.
23772 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23773 flag_pic): Delete declarations.
23774 * config/pa/pa.h (current_function_pretend_args_size,
23775 current_function_decl): Delete declarations.
23776 * config/pa/som.h (current_function_varargs): Delete declaration.
23777 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23779 * config/pyr/pyr.h (current_function_pretend_args_size,
23780 current_function_args_size, current_function_calls_alloca): Delete
23782 * config/sh/sh.h (current_function_varargs): Delete declaration.
23783 * config/sparc/sparc.h (current_function_outgoing_args_size,
23784 current_function_calls_alloca, current_function_decl): Delete
23786 * config/spur/spur.h (current_function_pretend_args_size,
23787 current_function_calls_alloca): Delete declarations.
23788 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23790 * config/vax/vms.h (current_function_name): Delete declaration.
23791 * gcse.c: Include "function.h".
23792 (current_function_name, current_function_calls_setjmp): Delete
23794 * haifa-sched.c: Include "function.h".
23795 (forced_labels): Delete declaration.
23796 * jump.c: Likewise.
23797 * reg-stack.c: Likewise.
23798 * reload1.c: Likewise.
23799 * genemit.c (main): Make generated file include function.h.
23800 * genoutput.c (output_prologue): Likewise.
23802 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23803 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23804 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23805 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23806 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23807 macros for some of them.
23808 (emit_filename, emit_lineno): Delete declarations.
23809 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23810 regno_pointer_* variables through current_function.
23811 (gen_inline_header_rtx): Delete function.
23812 (save_emit_status): Delete function.
23813 (set_new_last_label_num): New function.
23814 (clear_emit_caches): New function.
23815 (restore_emit_status): Just clear last_labelnum and call
23817 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23818 through macro seq_stack.
23819 (add_insn_after): Likewise.
23820 (add_insn_before): Likewise.
23821 (remove_insn): Likewise.
23822 (pop_topmost_sequence): Likewise.
23823 (in_sequence_p): Likewise.
23824 (start_sequence_for_rtl_expr): Likewise.
23825 (start_sequence): Likewise, and likewise for
23826 sequence_rtl_expr/seq_rtl_expr.
23827 (push_topmost_sequence): Likewise.
23828 (end_sequence): Likewise.
23829 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23830 All callers changed. Store into that pointer instead of globals.
23831 (init_emit): Allocate emit elt of current_function.
23832 Changes for sequence_rtl_expr/sequence_stack renaming.
23833 Call clear_emit_caches instead of doing it in-line.
23834 Access regno_pointer_* variables through current_function.
23835 (init_emit_once) Don't clear sequence_stack.
23837 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23839 (arg_pointer_save_area): Delete declaration.
23840 (finish_expr_for_function): Renamed from init_queue; no longer static.
23841 (init_expr): Don't call init_queue.
23842 (save_expr_status, restore_expr_status): Delete functions.
23843 (expand_expr): Changes to reflect new layout of struct function.
23844 Don't access current_function_check_memory_usage when current_function
23846 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23847 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23848 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23849 current_function_uses_const_pool, function_call_count,
23850 current_function_uses_pic_offset_table, nonlocal_labels,
23851 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23852 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23853 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23855 (finish_expr_for_function): Declare.
23856 * flags.h (current_function_has_nonlocal_label,
23857 current_function_has_nonlocal_goto, current_function_is_thunk,
23858 current_function_has_computed_jump): Delete declarations.
23859 * flow.c (forced_labels): Delete declaration.
23860 * function.c (current_function_pops_args,
23861 current_function_returns_struct, current_function_returns_pcc_struct,
23862 current_function_needs_context, current_function_calls_setjmp,
23863 current_function_calls_longjmp, current_function_has_nonlocal_label,
23864 current_function_has_nonlocal_goto, current_function_is_thunk,
23865 current_function_has_computed_jump, current_function_calls_alloca,
23866 current_function_contains_functions, current_function_returns_pointer,
23867 current_function_epilogue_delay_list, current_function_args_size,
23868 current_function_pretend_args_size, current_function_arg_offset_rtx,
23869 current_function_outgoing_args_size, current_function_varargs,
23870 current_function_stdarg, current_function_args_info, cleanup_label,
23871 current_function_name, current_function_uses_const_pool,
23872 current_function_instrument_entry_exit, current_function_return_rtx,
23873 current_function_uses_pic_offset_table, nonlocal_labels,
23874 current_function_internal_arg_pointer, current_function_cannot_inline,
23875 current_function_check_memory_usage, function_call_count,
23876 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23877 nonlocal_goto_stack_level, return_label, save_expr_regs,
23878 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23879 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23880 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23881 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23882 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23884 (push_function_context_to): Don't save them. Don't call
23885 save_storage_status, save_emit_status or save_expr_status.
23886 (pop_function_context_from): Don't restore them. Don't call
23887 restore_storage_status or restore_expr_status.
23888 (get_func_frame_size): New function.
23889 (get_frame_size): Use it.
23890 (assign_outer_stack_local): Reflect some member name changes in struct
23892 (put_reg_into_stack): Likewise.
23893 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23895 (fixup_var_refs): Likewise.
23896 (fix_lexical_addr): Likewise.
23897 (trampoline_address): Likewise.
23898 (prepare_function_start): Clear field inlinable of current_function.
23899 (init_function_for_compilation): New function.
23900 (expand_dummy_function_end): New function.
23901 (expand_function_end): Call finish_expr_for_function.
23902 * function.h (struct emit_status): New; fields moved here from struct
23903 function and from global variables. Add accessor macros for some of
23905 (struct expr_status): Likewise.
23906 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23907 (struct function): Add fields expr and emit, inlinable, inl_emit,
23908 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23909 inl_max_label_num. Add many comments.
23910 Add accessor macros for all elts of struct function that no longer
23911 have a global variable.
23912 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23913 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23914 stack_slot_list): Delete declarations.
23915 (get_func_frame_size): Declare.
23916 (save_expr_status, restore_expr_status, save_emit_status,
23917 save_storage_status, restore_storage_status): Delete declarations.
23918 (init_virtual_regs): Declare.
23919 * output.h (current_function_pops_args,
23920 current_function_returns_struct, current_function_returns_pcc_struct,
23921 current_function_needs_context, current_function_calls_setjmp,
23922 current_function_calls_longjmp, current_function_calls_alloca,
23923 current_function_has_nonlocal_label, current_function_varargs,
23924 current_function_has_computed_jump, current_function_returns_pointer,
23925 current_function_contains_functions, current_function_args_size,
23926 current_function_pretend_args_size, current_function_stdarg,
23927 current_function_outgoing_args_size, current_function_args_info,
23928 current_function_name, current_function_return_rtx,
23929 current_function_epilogue_delay_list,
23930 current_function_uses_const_pool, current_function_cannot_inline):
23931 Delete declarations.
23932 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23933 regno_reg_rtx): Delete declaration.
23934 (REGNO_POINTER_FLAG): Delete macro.
23935 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23936 function were renamed.
23937 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23939 * toplev.c: Include "function.h".
23940 (current_function_decl): Delete declaration.
23941 (compile_file): Call init_dummy_function_start and
23942 expand_dummy_function_end around some initializations that need to
23944 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23945 Call init_function_for_compilation.
23946 * unroll.c: Include "function.h"
23947 (unroll_loop): Access regno_pointer_* variables through
23950 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23951 (DECL_SAVED_INSNS): use it.
23952 (expand_dummy_function_end): Declare.
23953 (init_function_for_compilation): Declare.
23954 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23955 that it's no longer an INLINE_HEADER.
23956 (expand_call): Likewise.
23957 * integrate.c (finish_inline): Delete function.
23958 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23959 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23960 args. Don't generate an INLINE_HEADER rtx, just return the arg
23961 vector. All callers changed.
23962 (save_for_inline_copying): Create a duplicate struct emit_status to
23963 hold the emit state for compiling the current function. Use this and
23964 the other new fields in struct function that are for integration
23965 instead of an INLINE_HEADER.
23966 Use memcpy instead of bcopy.
23967 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23968 (save_for_inline_nocopy): Similar changes, except no new emit_status
23970 (expand_inline_function): Get information from function structure,
23971 not from an inline header rtx.
23972 (output_inline_function): Lose code to extract the necessary
23973 information from an inline header; simply put back the function
23974 structure into current_function. Clear its inlinable elt.
23975 * rtl.def (INLINE_HEADER): Delete.
23976 * rtl.h: Delete all accessors for an INLINE_HEADER.
23977 (gen_inline_header_rtx): Delete declaration.
23978 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23979 Delete declarations.
23980 (REGNO_POINTER_ALIGN): Delete.
23981 (clear_emit_caches): Declare.
23982 (set_new_last_label_num): Declare.
23984 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23986 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23988 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23989 * stmt.c (is_eh_region): Make sure current_function is present, too.
23991 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23993 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23994 for 64bit PA targets.
23996 * pa.h (SELECT_SECTION): Define.
23997 * som.h (SELECT_SECTION): Delete.
23999 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24001 * alias.c (init_alias_analysis): Wrap call to
24002 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
24004 1999-08-07 Bruce Korb <autogen@linuxbox.com>
24006 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
24007 <sys/asm.h> contains an asm comment with an apostrophe
24008 * fixinc/inclhack.sh: regen
24009 * fixinc/fixincl.x: regen
24011 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
24013 * function.c (init_function_start): Clear prologue & epilogue.
24014 (prologue_epilogue_contains): New function.
24015 * alias.c (init_alias_analysis): Use it.
24016 * rtl.h (prologue_epilogue_contains): Declare it.
24018 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
24020 * jump.c (onlyjump_p): New function.
24021 * rtl.h: Declare it.
24022 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
24023 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
24025 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
24027 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
24028 to invert loops. Simplify block scanning.
24030 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24032 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
24033 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
24035 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
24037 * config/sparc/liteelf.h: New file to support sparclite-elf target
24038 * config/sparc/t-sp86x: New file to support sparc86x targets
24039 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
24040 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
24041 * configure.in: Support above target triplets
24042 * configure: Regenerated
24044 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
24046 * fixinc/server.c (server_setup): Do not prefix function used as
24047 parameter with `&'.
24049 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
24051 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
24052 Remove fp reg alternatives.
24054 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
24056 * Makefiin (TAROUTOPTS): Kill.
24057 (install-headers-tar): Use "xpf" for tar headerfile extraction
24058 * i370/x-oe (TAROUTOPTS): Delete.
24059 * m68k/x-apollo68 (TAROUTOPTS): Delete.
24060 * m68k/x-hp320 (TAROUTOPTS): Delete.
24061 * m68k/x-hp320g (TAROUTOPTS): Delete.
24062 * gcc.texi: Update bug reporting text.
24064 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24066 * reg-stack.c (change_stack) Fixed problem with negative array index.
24068 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
24070 * extend.texi, install.texi: Fix spelling mistakes.
24072 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
24073 (s-attrtab); No longer try to use pre-made insn-attrtab file.
24074 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
24075 PREMADE_ATTRTAB_MD.
24076 * mips/t-ecoff: Likewise.
24077 * mips/t-elf: Likewise.
24078 * mips/t-mips: Likewise.
24079 * mips/t-osfrose: Likewise.
24080 * mips/t-r3900: Likewise.
24081 * mips/t-svr3: Likewise.
24082 * mips/t-svr4: Likewise.
24083 * mips/t-ultrix: Likewise.
24085 * gcc.texi: Document recommend means to provide software floating
24086 point libraries in libgcc.a
24088 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
24090 * c-lex.c (yylex): We can have a number with no digits.
24092 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
24094 * jump.c (delete_prior_computation): New function, broken
24095 out of delete_computation. Check for side effects with
24096 side_effects_p instead of FIND_REG_INC_NOTE. Handle
24097 multi-word hard registers.
24098 (delete_computation): Use it. Check for side effects with
24099 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
24100 missing REG_DEAD note for a register which is both set and
24103 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
24105 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
24106 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
24107 (ASM_FILE_START): Import _mcount with the right type.
24108 (ASM_DECLARE_FUNCTION_NAME): Define.
24109 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
24110 * pa.c (output_function_prologue): Always emit the function's label
24112 * pa.h (TEXT_SPACE_P): Define.
24113 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24114 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
24115 * som.h (TEXT_SPACE_P): Delete.
24116 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24117 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
24119 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
24121 * expr.c (emit_group_load): Allow src to be a CONCAT.
24123 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24125 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
24126 (___mulsi3): Use '!' comment character.
24128 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24130 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
24132 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
24134 * gcc.c: Update URLs and mail addresses.
24135 * gcc.texi: Likewise.
24137 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
24139 * rs6000.c (current_file_function_operand): Return zero for
24141 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
24143 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
24146 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
24148 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
24149 allocate space in the stack frame for the PIC register.
24151 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
24153 * m68k.md (xordi3, anddi3): These patterns are not available on
24156 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
24158 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
24159 (PUT_REAL): Likewise.
24161 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24163 * final.c (shorten_branches): Don't add an alignment for loops
24164 that have no label inside.
24166 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24168 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
24169 prototypes in macro HAVE_cmpstrsi.
24171 * cpplib.c (cpp_get_token): Remove unused label `op3'.
24173 * emit-rtl.c (operand_subword): Remove unused variable
24176 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
24178 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
24180 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
24182 * cpphash.c (macroexpand): Delete leading whitespace when arg
24183 is concatenated before.
24184 (unsafe_chars): Correct test for whether + and - can extend a
24187 * cppinit.c (cpp_start_read): Do dependencies for
24188 -include/-imacros files also.
24190 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
24191 tokenizing non-directive lines.
24192 (cpp_expand_to_buffer): Temporarily disable no-output mode.
24193 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
24196 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24198 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
24200 * c-lex.c: Sync with C++ frontend.
24201 (linemode): New variable.
24202 (parse_float): imag, conversion_errno, and type are output only.
24203 (yylex): Adjust. Move initial '.' case into main switch.
24205 (handle_generic_pragma): Just deal with tokens.
24206 (readescape): Use ISXDIGIT and ISGRAPH.
24207 * c-parse.in: Add END_OF_LINE token.
24209 * c-lex.c (lang_init): Generalize.
24210 (nextchar): Remove. Replace uses with UNGETC.
24211 (skip_white_space): Handle linemode here. Optimize for cpplib.
24212 (skip_white_space_on_line): Remove.
24213 (extend_token_buffer_to): New fn.
24214 (extend_token_buffer): Use it.
24215 (read_line_number, check_newline): Just deal with tokens.
24216 (token_getch, token_put_back): New fns.
24217 (yylex): Use them. More cpplib optimizations. Simplify.
24219 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24220 Jason Merrill <jason@yorick.cygnus.com>
24222 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24223 (consume_string): Make this smart about USE_CPPLIB.
24224 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24225 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24226 Also, clean up cases where we redundantly set token_buffer[0].
24227 (read_line_number): New fn.
24228 (ignore_escape_flag): New variable.
24230 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24232 * a29k/t-a29kbare: Fix some comments.
24233 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24234 (FPBIT, DPBIT): Define.
24235 * a29k/t-vx29k: Likewise.
24236 * arc/t-arc: Likewise.
24237 * arm/t-arm-elf: Likewise.
24238 * arm/t-bare: Likewise.
24239 * arm/t-pe: Likewise.
24240 * arm/t-pe-thumb: Likewise.
24241 * arm/t-semi: Likewise.
24242 * arm/t-thumb: Likewise.
24243 * arm/t-thumb-elf: Likewise.
24244 * arm/t-thumb-linux: Likewise.
24245 * h8300/t-h8300: Likewise.
24246 * i960/t-i960: Likewise.
24247 * i960/t-vxworks960: Likewise.
24248 * m32r/t-m32r: Likewise.
24249 * mips/t-ecoff: Likewise.
24250 * mips/t-elf: Likewise.
24251 * mips/t-r3900: Likewise.
24252 * pa/t-pro: Likewise.
24253 * rs6000/t-aix43: Likewise.
24254 * rs6000/t-beos: Likewise.
24255 * rs6000/t-newas: Likewise.
24256 * rs6000/t-ppccomm: Likewise.
24257 * rs6000/t-rs6000: Likewise.
24258 * rs6000/t-winnt: Likewise.
24259 * rs6000/t-xnewas: Likewise.
24260 * rs6000/t-xrs6000: Likewise.
24261 * sh/t-sh: Likewise.
24262 * sparc/t-elf: Likewise.
24263 * sparc/t-sparcbare: Likewise.
24264 * sparc/t-sparclite: Likewise.
24265 * sparc/t-splet: Likewise.
24266 * v850/t-v850: Likewise.
24267 * mn10200/t-mn10200: Fix comments.
24268 * mn10300/t-mn10300: Likewise.
24270 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24271 dummy operand. Allocate a new pseudo for the dummy operand.
24272 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24274 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24276 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24278 * configure: Rebuilt.
24279 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24281 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24283 * recog.c (preproces_constraints): Zero recog_op_alt before
24284 processing the constraints.
24286 * arm.c (typedef minipool_node): Renamed from pool_node.
24287 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24288 (add_minipool_constant): New function.
24289 (dump_minipool): New function.
24290 (find_barrier): Remove special case for getting the insn size of
24291 an insn that references the constant pool.
24292 (minipool_fixup): New structure.
24293 (push_minipool_barrier): New function.
24294 (push_minipool_fix): New function.
24295 (note_invalid_constants): New function.
24296 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24297 (arm_reorg): Rewrite code to fix up the constant pool into a
24298 series of mini-pools embedded in the insn stream.
24299 (arm_output_epilogue): New function, made mainly from the body
24300 of output_func_epilogue.
24301 (output_func_epilogue): Move insn generation part of epilogue code
24302 to arm_output_epilogue.
24303 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24304 * arm.md (pool_range): New attribute.
24305 (zero_extendqidi2): Add attribute pool_range.
24306 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24307 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24308 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24309 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24310 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24311 (epilogue): New expand.
24312 (epilogue_insn): New insn. Call arm_output_epilogue.
24314 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24315 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24317 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24319 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24321 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24323 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24325 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24327 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24329 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24331 * global.c: Fix comment.
24333 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24335 * gcc.c (access_check): New static function.
24336 (find_a_file): Use it when searching a directory list.
24337 * collect2.c (find_a_file): Don't accept directories found when
24338 searching a directory list.
24340 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24342 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24343 function parameters with `&'.
24344 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24346 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24348 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24349 or tidy_fallthru_edge if the last insn in the block is not
24350 an unconditional jump or a simple conditional jump.
24352 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24354 * Makefile.in (c-decl.o): Depends on defaults.h.
24356 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24358 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24360 (CLASS_MAX_NREGS): Likewise.
24362 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24364 * cse.c (cse_insn): Fix dumb thinko in last change.
24366 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24368 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24371 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24373 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24374 test for sizes of passed and declared parameter types.
24376 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24378 * fixincludes: Fix the return type of bsearch, char* -> void*.
24380 * fixinc/inclhack.def: Likewise.
24382 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24384 * invoke.texi (-fdump-translation-unit): New option.
24386 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24388 * expr.h (PROMOTE_PROTOTYPES): Move ...
24389 * defaults.h: ... to here.
24390 * c-decl.c: Include defaults.h instead of expr.h.
24391 * c-typeck.c: Include defaults.h.
24393 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24395 * toplev.h (errorcount): Declare.
24396 (warningcount): Likewise.
24397 (sorrycount): Likewise.
24398 * c-lex.c (errorcount): Don't declare.
24399 * dwarf2out.c (errorcount): Don't declare.
24401 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24403 * config/libgloss.h: Add a note discouraging use with ELF.
24404 * configure.in: Don't use libgloss.h for ELF targets.
24405 Always use_collect2 on a.out targets.
24407 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24409 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24410 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24412 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24414 * loop.c (strength_reduce): When doing biv->giv conversion, update
24415 reg note of NEXT->insn.
24417 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24419 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24421 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24423 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24424 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24425 Ensure expr.h is included.
24426 * c-typecheck.c (convert_arguments): Ditto.
24428 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24430 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24431 * config/convex/convex.h: Ditto.
24432 * config/dsp16xx/dsp16xx.h: Ditto.
24433 * config/fx80/fx80.h: Ditto.
24434 * config/gmicro/gmicro.h: Ditto.
24435 * config/i370/i370.h: Ditto.
24436 * config/i386/i386.h: Ditto.
24437 * config/m32r/m32r.h: Ditto.
24438 * config/m68k/m68k.h: Ditto.
24439 * config/m88k/m88k.h: Ditto.
24440 * config/mips/mips.h: Ditto.
24441 * config/pa/pa.h: Ditto.
24442 * config/pyr/pyr.h: Ditto.
24443 * config/tahoe/tahoe.h: Ditto.
24444 * config/we32k/we32k.h: Ditto.
24446 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24447 based on arch size.
24449 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24451 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24454 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24456 1999-08-02 Richard Henderson <rth@cygnus.com>
24458 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24459 for the register spill block.
24460 (m32r_va_arg): New.
24461 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24462 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24464 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24465 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24466 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24468 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24470 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24471 MAX_WCHAR_TYPE defined in sparc.h.
24472 * config/sparc/linuxaout.h: Likewise.
24473 * config/sparc/linux64.h: Likewise.
24474 Also default to -mvis if CPU is UltraSPARC.
24476 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24478 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24479 (RTX_OK_FOR_OLO10): Likewise.
24480 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24481 %lo(), allow it in addresses...
24482 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24483 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24484 does not make sense.
24485 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24486 (sparc_output_scratch_registers): New function.
24487 (output_function_prologue, sparc_flat_output_function_prologue): Use
24489 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24491 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24492 * configure.in: Add check for .register pseudo-op support in as and
24493 check for offsetable %lo().
24494 * acconfig.h: Add templates for the above checks.
24495 * configure: Regenerate.
24497 1999-08-02 Richard Henderson <rth@cygnus.com>
24499 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24500 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24501 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24503 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24505 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24508 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24510 * config/float-sparc.h: New file.
24511 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24512 sparc-*-linux-gnu and sparc64-*-linux*.
24514 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24516 * rs6000.c (rs6000_va_list): Type is an array.
24517 (rs6000_va_start): Don't doubly adjust for varargs.
24518 (rs6000_va_arg): Evaluate long long GPR adjustment.
24520 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24522 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24523 -maix64 and -maix32.
24524 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24525 LINK_SPEC): Change appropriately.
24526 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24527 (u_short_cint_operand): Likewise.
24528 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24530 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24532 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24534 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24536 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24537 for type promotion.
24538 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24539 (non_add_cint_operand): Likewise.
24540 (logical_operand): Likewise.
24541 (non_logical_cint_operand): Likewise.
24542 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24543 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24544 (rs6000_select_rtx_section): Suppress warning.
24545 (small_data_operand): Suppress warning.
24546 (rs6000_got_register): Suppress warning.
24547 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24548 type, so `J' is generally the wrong constraint for a SImode value;
24550 (andsi3_internal2): Likewise.
24551 (andsi3_internal3): Likewise.
24552 (iorsi3_internal1): Likewise.
24553 (xorsi3_internal1): Likewise.
24555 (movsf_softfloat): Likewise.
24556 (scc insns): Likewise.
24557 (movsi+2): Preserve sign bits of SImode constant.
24558 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24559 (movdf+1): Sign-extend properly.
24560 (movdi_32+1): Sign-extend properly.
24561 (scc insns): Sign-extend properly.
24563 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24566 1999-08-02 Richard Henderson <rth@cygnus.com>
24568 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24569 -mcpu parsing code.
24570 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24571 * alpha.md (all fp insns): Likewise.
24573 1999-08-02 Nick Clifton <nickc@cygnus.com>
24575 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24578 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24580 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24581 pic_load_label generator directly.
24582 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24583 No longer a named pattern.
24585 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24587 * explow.c (force_reg): Call force_operand if X does not
24588 satisfy general_operand.
24590 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24592 * fix-header.c (main): When testing for CONTINUED, use string
24593 equality, not pointer equality.
24595 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24597 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24599 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24601 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24602 that has become an unconditional jump.
24604 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24605 (output_function_epilogue): Similarly.
24607 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24609 * tree.h (init_dummy_function_start): Declare.
24611 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24613 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24614 last_expr_type, last_expr_value, block_start_count, block_stack,
24615 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24616 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24617 dynamically in stmt elt of struct function for each function.
24618 (struct nesting): Rename function_call_count elt to n_function_calls,
24619 target_temp_slot_level to block_target_temp_slot_level. All users
24621 (struct stmt_status): New structure definition.
24622 Add many accessor macros for stmt_status elements which previously
24623 were global variables.
24624 (init_stmt_for_function): Allocate stmt elt for current_function.
24625 Reflect that block_start_count was renamed to
24626 current_block_start_count.
24627 (save_stmt_status, restore_stmt_status): Delete functions.
24628 (preserve_subexpressions_p): Don't access loop_stack when outside
24630 (expand_start_bindings): Reflect that block_start_count was renamed to
24631 current_block_start_count.
24632 (expand_fixup): Likewise.
24633 (expand_decl): Don't access block_stack when outside a function.
24634 (expand_decl_cleanup): Likewise.
24635 (expand_dcc_cleanup): Likewise.
24636 (expand_dhc_cleanup): Likewise.
24637 (expand_anon_union_decl): Likewise.
24638 (set_file_and_line_for_stmt): New function.
24639 (in_control_zone_p): New function.
24641 * function.h (struct function): Add new elt stmt.
24642 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24643 case_stack, nesting_stack, nesting_depth, block_start_count,
24644 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24645 emit_lineno, goto_fixup_chain.
24646 (save_eh_status, restore_eh_status, save_stmt_status,
24647 restore_stmt_status): Delete declarations.
24648 * function.c (push_function_context_to): Don't call save_stmt_status.
24649 (pop_function_context_to): Don't call restore_stmt_status.
24650 * tree.h (in_control_zone_p): Declare.
24651 * rtl.h (set_file_and_line_for_stmt): Declare.
24653 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24654 call set_file_and_line_for_stmt.
24656 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24658 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24659 Also update copyright.
24661 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24663 * c-pragma.c: Don't include "except.h".
24664 * emit-rtl.c: Likewise.
24665 * stor-layout.c: Likewise.
24666 * tree.c: Likewise.
24667 * varasm.c: Likewise.
24669 * flow.c: Include "function.h".
24670 * tree.h (init_dummy_function_start): Declare new function.
24672 * except.h (struct eh_status): New structure.
24673 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24675 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24676 catch_clauses, false_label_stack, caught_return_label_stack,
24677 protect_list, current_function_ehc): Add accessor macros for the
24678 corresponding fields in current_function->eh; delete declarations
24679 for all items that used to be declared here.
24680 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24681 catch_clauses, false_label_stack, caught_return_label_stack,
24682 protect_list, current_function_ehc): Delete variables.
24683 (init_eh_for_function): Allocate current_function->eh.
24684 (save_eh_status, restore_eh_status): Delete functions.
24686 * function.h (struct function): Add fields next_global and eh.
24687 Delete all exception handling related fields.
24688 * function.c (current_function): New variable.
24689 (all_functions): New variable.
24690 (push_function_context_to): Don't allocate a struct function,
24691 use current_function instead. Call init_dummy_function_start when
24692 outside a function. Clear current_function before returning.
24693 (pop_function_context_from): Restore current_function.
24694 Don't free the restored struct function.
24695 (prepare_function_start): New function.
24696 (init_dummy_function_start): New function.
24697 (init_function_start): Break out some code into prepare_function_start
24700 * stmt.c (save_stmt_status): Don't call save_eh_status.
24701 (restore_stmt_status): Don't call restore_eh_status.
24703 * Makefile.in: Update dependencies.
24705 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24707 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24708 of depending on a magic constant value. Update comments.
24709 (hppa_expand_prologue): Similarly.
24711 * pa.md (reload_indi, reload_outdi): Allow any register for the
24712 original reload register.
24714 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24716 * cccp.c (print_help): Change marcos to macros.
24718 1999-07-30 Richard Henderson <rth@cygnus.com>
24720 * c-typeck.c (initializer_constant_valid_p): Move ...
24721 * c-common.c (initializer_constant_valid_p): ... here. Use
24722 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24723 of label addresses.
24724 * c-common.h (initializer_constant_valid_p): Declare.
24725 * c-tree.h (initializer_constant_valid_p): Remove.
24727 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24729 * config/i386/sol2-c1.asm: Align the stack.
24730 * config/i386/sol2-gc1.asm: Likewise.
24732 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24734 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24735 -Asparclite for sparc86x.
24736 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24738 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24740 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24742 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24743 the user if using the non-default arch size in BI_ARCH configuration.
24744 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24746 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24747 Fix patterns so that they actually match.
24748 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24749 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24750 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24752 (mulsidi3): Reflect this in the expand.
24753 (smulsi3_highpart): Only on TARGET_ARCH32.
24754 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24755 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24756 (umulsidi3): Reflect this in the expand.
24757 (umulsi3_highpart): Only on TARGET_ARCH32.
24758 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24759 don't require g0 to be zero.
24760 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24761 ({,u}divsi3): New expands.
24762 ({,u}divsi3_sp64): New patterns.
24763 (after lshrdi3_v8plus): Four new patterns to help combiner
24764 optimizing nested mixed mode shifts.
24766 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24767 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24768 speed things up. Don't use them by default on plain v9 in 64bit
24769 mode, according to what SPAMv9 sais.
24771 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24772 top 32 bits of %[og][0-7] in signal handlers.
24773 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24775 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24777 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24778 (ashlsi3): Corresponding changes.
24780 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24782 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24784 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24786 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24788 * arm.h (Hint): Delete macro.
24789 Substitute HOST_WIDE_INT for Hint in some prototypes.
24790 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24792 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24794 * builtins.c (expand_builtin_setjmp): Use force_operand to
24795 make sure that the buffer address is in a suitable form to be
24796 passed to force_reg.
24798 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24800 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24803 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24805 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24806 proper mode in the condition string.
24807 (icacheflush, dcacheflush): Remove modes from match_operands.
24809 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24810 proper mode before using it.
24812 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24815 * pa.c (store_reg): Do not call add_high_const generator directly.
24816 (load_reg, set_reg_plus_d): Likewise.
24817 * pa.md (add_high_const): No longer a named pattern.
24819 * pa.c (legitimize_address): Consistently use Pmode rather than
24820 SImode. Do not call gen_pic2_highpart directly anymore.
24821 * pa.md (pic2_highpart): No longer a named pattern.
24822 (pic2_lo_sum): Similarly. Reformat to make more readable.
24824 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24829 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24831 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24833 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24835 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24836 and tag the spill mems.
24837 (hppa_va_start): New.
24838 (hppa_va_arg): New.
24839 * pa.h (EXPAND_BUILTIN_VA_START): New.
24840 (EXPAND_BUILTIN_VA_ARG): New.
24842 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24844 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24845 and tag the spill mems.
24846 (mn10300_va_start): New.
24847 (mn10300_va_arg): New.
24848 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24849 (EXPAND_BUILTIN_VA_ARG): New.
24851 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24853 * mn10200.c (mn10200_va_arg): New.
24854 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24856 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24858 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24859 rather than play with TREE_INT_CST_LOW.
24861 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24863 * config/arm/telf.h: Include dbxelf.h.
24864 (CPP_PREDEFINES): Only define if not already defined.
24865 (ASM_IDENTIFY_GCC): Likewise.
24866 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24867 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24868 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24870 (DBX_DEBUGGING_INFO): Don't define.
24871 * config/arm/linux-telf.h: New file.
24872 * config/arm/linux-tgas.h: New file.
24873 * config/arm/t-thumb-linux: New file.
24874 * config/arm/uclinux-elf.h: New file.
24875 * config/arm/uclinux-telf.h: New file.
24876 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24877 thumb-*-uclinux): New targets.
24878 * configure: Regenerate.
24880 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24882 * pa.md (post_store, pre_load): New expanders.
24883 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24884 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24885 need to directly generate RTL for them.
24886 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24889 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24891 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24892 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24893 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24894 (secndary_reload_class): Make TARGET_ELF conditional compile.
24895 (print_operand_address): Similar.
24896 (output_toc): Print all values as hex.
24897 (get_issue_rate): Rearrange and add RS64A and PPC630.
24898 * rs6000.h (processor_type): Add RS64A and PPC630.
24899 (PROCESSOR_POWERPC64): New.
24900 (PROMOTE_MODE): Use word_mode.
24901 (RTX_COSTS): Add RS64A and PPC630.
24902 * rs6000.md (scheduling information): Add lmul and ldiv
24903 representing 64-bit integer multiply and divide. Add rs64a and
24904 PPC630 information.
24905 (ashldi3): Add support for "rldic" instruction.
24906 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24908 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24910 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24911 instead of V8 for sparclite86x in cpu_table.
24913 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24915 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24916 output_file_directive.
24918 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24920 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24921 tree for op1, not the rtl.
24923 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24925 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24926 to m88k_va_start, leaving only the register spill.
24927 (m88k_build_va_list): New.
24928 (m88k_va_start): New.
24929 (m88k_va_arg): New.
24930 * m88k.h (BUILD_VA_LIST_TYPE): New.
24931 (EXPAND_BUILTIN_VA_START): New.
24932 (EXPAND_BUILTIN_VA_ARG): New.
24934 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24936 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24937 Rename from expand_builtin_saveregs.
24938 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24940 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24942 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24943 for the register spill block.
24944 (i960_build_va_list): New.
24945 (i960_va_start): New.
24946 (i960_va_arg): New.
24947 * i960.h (BUILD_VA_LIST_TYPE): New.
24948 (EXPAND_BUILTIN_VA_START): New.
24949 (EXPAND_BUILTIN_VA_ARG): New.
24950 * i960.md (store_multiple): Use change_address on individul mems.
24952 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24954 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24956 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24957 (expand_builtin_va_end): Evaluate arg for side effects.
24958 * c-common.c (c_common_nodes_and_builtins): Construct a
24959 va_list_arg_type_node to handle array decomposition to pointer.
24961 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24963 * except.c (st_dynamic_cleanup): Use force_operand on the
24966 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24968 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24969 * c4x.c (c4x_va_arg): New.
24971 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24973 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24974 has manual_pop set.
24976 1999-07-26 Nathan Sidwell <nathan@acm.org>
24978 * eh-common.h (__eh_matcher): Prototype correctly.
24980 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24982 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24983 (TARGET_SINGLE_PIC_BASE): Likewise.
24984 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24986 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24987 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24988 (TARGET_OPTIONS): Add -mpic-register=N.
24989 (OUTPUT_INT_ADDR_CONST): New macro.
24990 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24991 LEGITIMATE_PIC_OPERAND_P): Likewise.
24992 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24993 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24994 output_addr_const directly.
24995 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24997 (thumb_pic_register, thumb_pic_register_string): Declare.
24999 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
25001 (label_mentioned_p): New function: Imported from arm.c.
25002 (legitimize_pic_address): New function: Imported from arm.c.
25003 (is_pic):New function: Imported from arm.c.
25004 (thumb_finalize_pic):New function: Imported from arm.c.
25005 (add_constant): Cope with PIC constants.
25006 (fixit): Cope with PIC constants.
25007 (output_return): Do not treat the PIC register as live if
25008 TARGET_SINGLE_PIC_BASE is true.
25009 (thumb_function_prologue): Do not treat the PIC register as live if
25010 TARGET_SINGLE_PIC_BASE is true.
25011 (thumb_expand_prologue): Do not treat the PIC register as live if
25012 TARGET_SINGLE_PIC_BASE is true.
25013 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
25014 TARGET_SINGLE_PIC_BASE is true.
25015 (thumb_print_operand): Accept '|'.
25016 (thumb_override_options): Process PIC options.
25018 * config/arm/thumb.md (movsi): Support PIC.
25019 (call_insn): Change "i" constraint to "X".
25020 (call_value_insn): Likewise.
25021 (consttable_4, consttable_8, consttable_end): Set and clear
25022 "making_const_table" as appropriate.
25023 (pic_load_addr, pic_add_dot_plus_four): New insns.
25025 * invoke.texi (Thumb Options): Fix spelling. Document new
25026 options -msingle-pic-base and -mpic-register=.
25028 1999-07-26 Andrew Haley <aph@cygnus.com>
25030 * config/m32r/initfini.c (__init): Use a full word immediate for
25031 __fini: this allows it to be placed in any memory region.
25033 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
25034 -mmodel=medium. This is OK for all memory models.
25036 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
25038 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
25039 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
25041 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
25043 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
25046 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
25048 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
25050 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
25051 (BUILD_VA_LIST_TYPE): New.
25052 (EXPAND_BUILTIN_VA_START): New.
25053 (EXPAND_BUILTIN_VA_ARG): New.
25054 * i860.c (output_delayed_branch): Disable.
25055 (output_delay_insn): Likewise.
25056 (i860_saveregs): New.
25057 (i860_build_va_list): New.
25058 (i860_va_start): New.
25059 (i860_va_arg): New.
25060 * i860.md: Disable all peepholes using output_delayed_branch.
25061 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
25063 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
25065 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
25066 (BUILD_VA_LIST_TYPE): New.
25067 (EXPAND_BUILTIN_VA_START): New.
25068 (EXPAND_BUILTIN_VA_ARG): New.
25069 * clipper.c (clipper_builtin_saveregs): Only dump registers.
25070 Return the address of the save area.
25071 (clipper_build_va_list): New.
25072 (clipper_va_start): New.
25073 (clipper_va_arg): New.
25075 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
25077 * arc.h (EXPAND_BUILTIN_VA_START): New.
25078 (EXPAND_BUILTIN_VA_ARG): New.
25079 * arc.c (arc_setup_incoming_varargs): Set alias set of
25081 (arc_va_start): New.
25084 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
25086 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
25087 (BUILD_VA_LIST_TYPE): New.
25088 (EXPAND_BUILTIN_VA_START): New.
25089 (EXPAND_BUILTIN_VA_ARG): New.
25090 * alpha.c (alpha_builtin_saveregs): Delete.
25091 (alpha_build_va_list): New.
25092 (alpha_va_start): New.
25093 (alpha_va_arg): New.
25095 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
25097 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
25099 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
25100 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
25102 * gcc.texi: More changes related to list conversion.
25103 * invoke.texi: Likewise.
25105 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
25107 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
25108 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
25109 (expand_builtin_next_arg): Accept ARGLIST not EXP.
25110 (stabilize_va_list): New function.
25111 (std_expand_builtin_va_start): New function.
25112 (expand_builtin_va_start): New function.
25113 (get_varargs_alias_set): New function.
25114 (std_expand_builtin_va_arg): New function.
25115 (expand_builtin_va_arg): New function.
25116 (expand_builtin_va_end): New function.
25117 (expand_builtin_va_copy): New function.
25118 (expand_builtin): Call them.
25119 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
25120 __builtin_{varargs_start,stdarg_start,end,copy}.
25121 (build_va_arg): New function.
25122 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
25123 (build_va_arg): Declare.
25124 * c-decl.c (ptr_type_node, va_list_type_node): New.
25125 * c-parse.gperf (__builtin_va_arg): New.
25126 * c-parse.in (VA_ARG): New token.
25127 (unary_expr): Recognize it.
25128 * expr.c (expand_expr): Expand VA_ARG_EXPR.
25129 * expr.h (std_expand_builtin_va_start): Declare.
25130 (std_expand_builtin_va_arg): Declare.
25131 (expand_builtin_va_arg): Declare.
25132 (get_varargs_alias_set): Declare.
25133 * tree.def (VA_ARG_EXPR): New.
25134 * tree.h (BUILT_IN_VARARGS_START): New.
25135 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
25136 (ptr_type_node, va_list_type_node): Declare.
25137 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
25138 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
25139 * m88k.h, m88k.c: Likewise.
25140 * mn10300.h, mn10300.c: Likewise.
25141 * pa.h, pa.c: Likewise.
25142 * rs6000.h, rs6000.c: Likewise.
25143 * sh.h, sh.c: Likewise.
25144 * sparc.h, sparc.c: Likewise.
25146 * emit-rtl.c (operand_subword): Copy alias set.
25147 (change_address): Likewise.
25149 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
25151 * pa.c (compute_frame_size): Scan all the used callee saved registers,
25152 not just the first one.
25154 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
25156 * config/arm/arm.h (TARGET_SWITCHES): Add
25157 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
25158 (TARGET_OPTIONS): Add -mpic-register=.
25159 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
25160 (arm_pic_register_string): Declare.
25161 (NEED_PLT_GOT): Delete, replace with ...
25162 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
25163 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
25164 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
25165 * config/arm/arm.c (arm_override_options): Add new option
25167 (arm_pic_register_string): New variable.
25168 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
25169 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
25170 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
25171 (output_return_instruction): Likewise.
25172 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
25173 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
25174 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
25176 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
25177 mention of -msched-prolog. Document new options -msingle-pic-base
25178 and -mpic-register=.
25180 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
25182 * haifa-sched.c (reemit_notes): Tidy.
25183 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
25186 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
25188 * explow.c (trunc_int_for_mode): New function.
25189 (plus_constant_wide): Use it.
25190 * combine.c (simplify_and_const_int): Likewise.
25191 (merge_outer_ops): Likewise.
25192 (simplify_shift_const): Likewise.
25193 * cse.c (simplify_unary_operation): Likewise.
25194 (simplify_binary_operation): Likewise.
25195 * emit-rtl.c (operand_subword): Likewise.
25196 * rtl.h: Declare it.
25198 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25200 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
25201 (use NUM_REGS instead of NUM_INTS).
25203 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25205 * builtins.c: New file.
25206 * expr.c (saveregs_value, apply_args_value): Delete definition,
25207 moved into builtins.c.
25208 (string_constant): No longer static.
25209 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25210 apply_args_size, apply_result_size, result_vector,
25211 expand_builtin_apply_args, expand_builtin_apply,
25212 expand_builtin_return): Delete functions, moved into builtins.c.
25213 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25214 * expr.h (saveregs_value, apply_args_value): Declare variables.
25215 (expand_builtin, string_constant): Declare functions.
25216 * Makefile.in: Update to build builtin.o.
25218 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25220 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25221 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25222 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25223 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25225 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25228 1999-07-21 Michael Meissner <meissner@cygnus.com>
25230 * print-rtl.c (print_rtx): Print the names of the virtual
25233 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25235 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25236 introduced in previous delta.
25238 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25240 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25241 to avoid name clash.
25243 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25245 * c-lex.c (yylex) : Correct the test for overflow when lexing
25248 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25250 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25251 (adjust_priority): Always call ADJUST_PRIORITY.
25252 (schedule_insn): Only put insns into the ready at cost 0.
25253 (schedule_block): Remove redundant initial sort. Give clock_var
25254 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25256 * tm.texi (MD_SCHED_REORDER): Update docs.
25258 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25259 * sparc.c (ultra_reorder_called_this_block): Delete.
25260 (ultrasparc_sched_init): Don't set it.
25261 (ultrasparc_sched_reorder): Don't check it.
25263 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25265 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25266 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25267 (function_arg_boundary): Align DFmode.
25268 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25269 to get fp reg and stack overflow correct.
25270 (function_arg): Likewise.
25271 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25272 (setup_incoming_varargs): Restructure for ABI_V4; use
25273 function_arg_advance to skip final named argument.
25274 (expand_builtin_saveregs): Properly unskip the last integer arg
25275 when doing varargs. Adjust overflow location calculation.
25277 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25278 explicitly unsigned.
25279 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25280 (__VA_GP_REGSAVE): Similarly.
25281 (__va_longlong_p): Delete.
25282 (__va_arg_type_violation): New declaration.
25283 (va_arg): Restructure. Flag promotion errors. Align double.
25284 TFmode passed by reference.
25286 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25287 in the HOST_BITS_PER_WIDE_INT > 32 case.
25289 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25291 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25293 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25295 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25296 * toplev.c (documented_lang_options): Add -fpreprocessed.
25297 * cpplib.h (struct cpp_buffer): Add preprocessed.
25298 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25299 (cpp_start_read): Don't expand macros or emit an initial #line
25300 directive if -fpreprocessed.
25302 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25304 * cpplib.h (struct cpp_buffer): Added manual_pop for
25305 better C++ tokenization.
25306 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25307 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25308 * c-common.c (cpp_token): Make non-static.
25310 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25312 * c-common.h: New file.
25313 * c-common.c (permanent_obstack): Delete unused declaration.
25314 (c_global_trees): New array.
25315 (c_common_nodes_and_builtins): New function; split off common code
25316 from init_decl_processing in both c-decl.c and cp/decl.c.
25317 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25318 c_global_trees and accessor macros defined in c-common.h.
25319 Include c-common.h.
25320 * c-decl.c: Delete definitions for tree nodes that were replaced by
25322 (init_decl_processing): Build void_list_node.
25323 Call c_common_nodes_and_builtins; delete code to generate the common
25325 * objc/objc-act.c (build_module_descriptor): Rename variable
25326 void_list_node to avoid clash with c-common.h.
25328 * Makefile.in: Update dependencies.
25329 * objc/Make-lang.in: Likewise.
25331 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25333 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25334 (UNIQUE_SECTION_P): Likewise.
25335 (UNIQUE_SECTION): Likewise.
25337 1999-07-19 Linas Vepstas <linas@linas.org>
25339 * config/i370/README: New file.
25340 * config/i370/linux.h: New file.
25341 * config/i370/mvs.h: New file.
25342 * config/i370/oe.h: New file.
25343 * config/i370/t-linux: New file.
25344 * config/i370/t-mvs: New file.
25345 * config/i370/t-oe: New file.
25346 * config/i370/x-oe: New file.
25347 * config/i370/xm-linux.h: New file.
25348 * config/i370/xm-mvs.h: New file.
25349 * config/i370/xm-oe.h: New file.
25351 * i370.c (label_node_t): Add first_ref_page, label_addr,
25352 label_first_ref, label_last_ref members.
25353 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25354 (MAX_MVS_LABEL_SIZE): Define.
25355 (MAX_LONG_LABEL_SIZE): Define.
25356 (alias_node_t, alias_anchor, alias_number): New.
25357 (mvs_function_table): Reorder for EBCDIC.
25358 (ascebc, ebcasc): Unconditionally define.
25359 (i370_branch_dest, i370_branch_length): New functions.
25360 (i370_short_branch, i370_label_scan): New functions.
25361 (mvs_get_label): Renamed from mvs_add_label. Search for
25362 an existing label before creating a new one.
25363 (mvs_add_label): New function.
25364 (mvs_get_label_page): New function.
25365 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25366 over the entire list.
25367 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25368 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25369 (mvs_add_alias, mvs_need_alias): New functions.
25370 (mvs_get_alias, mvs_check_alias): New functions.
25371 (handle_pragma): New function.
25372 (mvs_function_check): New function.
25373 (unsigned_jump_follows_p): Search harder.
25374 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25375 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25376 * i370.h (TARGET_VERSION): Delete.
25377 (CPP_SPEC, CPP_PREDEFINES): Delete.
25378 (mvs_label_emitted): Delete.
25379 (TARGET_EBCDIC): Delete.
25380 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25381 (HANDLE_PRAGMA): Define.
25382 (HARD_REGNO_NREGS): Handle complex modes.
25383 (HARD_REGNO_MODE_OK): Likewise.
25384 (CLASS_MAX_NREGS): Likewise.
25385 (RET_REG): Likewise.
25386 (EXTRA_CONSTRAINT): Define.
25387 (RETURN_IN_MEMORY): True for DImode.
25388 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25389 (FUNCTION_PROFILER): Delete.
25390 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25391 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25392 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25393 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25394 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25395 (ASM_FILE_START): Add "RMODE ANY".
25396 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25397 (ASM_GLOBALIZE_LABEL): Likewise.
25398 (ASM_OUTPUT_LABELREF): Likewise.
25399 (ASM_OUTPUT_COMMON): Likewise.
25400 (PRINT_OPERAND): Handle 'K', 'W', default.
25401 (PRINT_OPERAND_ADDRESS): New.
25402 (Lots of defines): Add support for TARGET_ELF_ABI.
25403 * i370.md (attr length): New. Define for all patterns.
25404 (*): Lots of tweeks to assembly output and constraints.
25406 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25408 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25409 Disable patterns performing SImode comparisons with SImode values
25410 if TARGET_POWERPC64 and instruction does not sign-extend or does
25411 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25412 differ for signed quantities.
25413 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25414 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25415 (decrement_and_branch_on_count): Add 64-bit variant.
25417 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25419 * final.c (output_asm_insn): When searching for the matching string
25420 for a given dialect, don't run past the end of the list of
25421 alternatives if there are fewer alternatives in the template than
25424 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25426 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25427 Removed paragraph about compression of files and size limitation,
25428 duplicated in the FAQ. Use gcc-patches for posting patches.
25429 * gcc.c (main): Updated URL with bug reporting instructions to
25430 gcc.gnu.org. Removed e-mail address.
25431 * system.h (abort): Likewise.
25433 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25435 * Makefile.in (stmp-multilib-sub): Make the files extracted
25436 from $(LIBGCC1) writable.
25438 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25440 * config/arm/aout.h: Reformat for improved readability.
25442 * config/arm/arm.h: Reformat for improved readability.
25443 Replace uses of fprintf with asm_fprintf where appropriate.
25444 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25445 function declaration assembler actions.
25446 (NUM_INTS): New macro: Convert from bytes to words.
25447 (NUM_REGS): New macro: Compute number of registers required to
25448 hold a quanitity of tyep MODE.
25449 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25451 (NUM_ARG_REGS): New macro: The number of argument registers
25453 (ARG_REGISTER): New macro: Compute the register number of the Nth
25455 (LAST_ARG_REGNUM): New macro: The number of the last argument
25457 (SP_REGNUM): New macro: Register number of the stack pointer.
25458 (FP_REGNUM): New macro: Register number of the frame pointer.
25459 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25460 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25461 CUMULATIVE_ARGS so that it counts registers not bytes.
25463 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25465 Replace uses of fprintf with asm_fprintf where appropriate.
25466 (output_ascii_pseudo_op): Replace with version from thumb.c
25468 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25470 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25471 SUBTARGET_CPP_SPEC.
25472 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25473 (ASM_FILE_START): Emit ASM_APP_OFF.
25475 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25477 * pa.c (compute_frame_size): Round frame according to
25478 STACK_BOUNDARY rather than a hardwired value.
25480 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25482 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25484 * configure: Rebuilt.
25486 * configure.in (hppa*-*-linux*): New configuration.
25487 * configure: Rebuilt.
25488 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25489 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25490 * pa/pa-linux.h: New file.
25491 * pa/t-linux: New file.
25492 * pa/xm-linux.h: New file.
25494 * pa.c (hppa_legitimize_address): Change references from SImode to
25495 either Pmode or word_mode as appropriate.
25496 (emit_move_sequence, store_reg, load_reg): Likewise.
25497 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25498 (output_mul_insn): Likewise.
25499 * pa.h (PROMOTE_MODE): Likewise.
25500 (INITIALZE_TRAMPOLINE): Likewise.
25501 (Pmode): Define to word_mode.
25503 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25504 value of 4. Allocate 8 bytes for each FP register save.
25505 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25507 (hppa_expand_prologue): Likewise.
25508 * pa.h (PROMOTE_MODE): Likewise.
25509 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25510 (FUNCTION_ARG_BOUNDARY): Likewise.
25512 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25514 * pa.c (out_of_line_prologue_epilogue): Delete.
25515 (override_options): Remove -mspace related code.
25516 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25517 (compute_frame_size): Only allocate space for register that
25518 actually need to be saved.
25519 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25520 (TARGET_SWITCHES): Remove -mspace, -mno-space
25521 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25522 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25523 * pa/ee.asm, pa/ee_fp.asm: Delete.
25525 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25527 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25528 directive in column zero.
25530 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25532 * m68k.c (output_function_prologue): Fix computation of save mask
25533 when generating PIC code.
25535 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25537 * tree.c (build_type_attribute_variant): Move current_obstack restore
25538 after build_qualified_type call.
25540 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25542 * configure.in: Use t-iris6, even with GNU LD.
25543 * config/mips/iris6gld.h: Fix typo in linker spec.
25544 * config/mips/t-iris6gld: Remove.
25546 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25548 * rs6000.md (insv, extzv): Remove SImode dependence in named
25549 patterns. Explicitly generate DImode RTL if PowerPC64 and
25551 (insvdi): Reverse start and size in instruction template.
25553 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25555 * invoke.texi: Typo fixes.
25557 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25559 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25560 handle at this time instead of silently generating incorrect code.
25561 (gen_imagpart): Likewise.
25563 * reload.c (find_reloads): Emit a USE for a pseudo register without
25564 a hard register if we could not create an optional reload for the
25567 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25569 * c-typeck.c (output_init_element, process_init_element):
25570 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25571 check for nameless bit fields.
25573 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25575 * regclass.c (scan_one_insn): Notice subregs that change the
25576 size of their operand.
25577 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25579 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25581 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25582 * configure: Rebuilt.
25583 * alpha/t-ieee: New file.
25585 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25587 * rs6000.c (find_addr_reg): Do not select r0 as an address
25590 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25592 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25594 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25596 * rs6000.md (movsf): Do not force easy FP constants into memory.
25598 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25599 immed_double_const to ensure they are properly truncated then
25602 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25604 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25605 always unless NO_DEBUG is used. Compile this code
25607 (replace_symbols_in_block): Compile it unconditionally.
25609 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25611 * configure.in (i?86-*-elf*): New target.
25612 * configure: Rebuilt.
25613 * i386/i386elf.h, i386/t-i386elf: New files.
25615 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25617 * toplev.c (main): Don't complain about saying -gdwarf.
25618 (rest_of_compilation): Remove redundant code.
25620 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25622 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25624 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25626 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25627 "Li960R:", to avoid name clash.
25629 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25631 * loop.c (check_dbra_loop): When reversing a loop, delete all
25632 REG_EQUAL notes referencing the reversed biv except those which are
25633 for a giv based on it.
25635 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25637 * version.c: Drop "gcc-" prefix from version #.
25639 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25641 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25642 the label if we're being verbose.
25644 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25646 * m68k.c (output_function_prologue): Add pic register to mask
25647 if live and flag_pic.
25648 (output_function_epilogue): Likewise.
25650 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25652 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25653 directives in column zero.
25655 * pa/elf.h (ASM_FILE_START): Define.
25656 * pa/som.h (ASM_FILE_START): Include .level directives.
25657 * pa/hpux10.h (ASM_FILE_START): Delete.
25658 * pa/hpux11.h (ASM_FILE_START): Delete.
25660 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25662 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25664 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25665 when reload_out equals reload_in.
25667 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25669 * invoke.texi (Spec Files): New node: Describe the contents of
25672 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25674 * invoke.texi (DEC Alpha Options): Put @end table at
25675 beginning of line, to avoid confusing texi2html.
25677 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25679 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25680 introduced in previous delta.
25682 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25684 * reload1.c (gen_reload): When synthesizing a 3 operand add
25685 sequence, improve test for when to reload OP1 into the reload
25686 register instead of OP0.
25688 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25690 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25692 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25694 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25697 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25699 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25700 (va_dcl): Use __builtin_va_alist_t.
25702 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25704 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25705 on the permanent_obstack.
25706 * dwarfout.c (output_type): Likewise.
25708 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25710 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25711 Merged from c-typeck.c and cp/typeck.c.
25712 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25713 Merged into c-common.
25715 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25717 * c-lex.c (errorcount): Declare it.
25718 (finish_parse): Update errorcount when using CPPLIB.
25720 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25722 * fixinc/inclhack.def(end_else_label): Double the backslash so
25723 sed gets a chance to see it.
25724 * fixinc/inclhack.sh: regen
25725 * fixinc/fixincl.x: regen
25727 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25729 Add framework to support armv5 architecture when it becomes
25732 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25733 (arm_arch5): New variable.
25734 (all_architectures): Add armv5 line.
25735 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25736 -march=armv5 is specified on the command line.
25737 (arm_arch5): Export this variable.
25738 * invoke.texi: Document new string accepted by -march= switch for
25741 * config/arm/arm.h: Replace use of constant 12 as a register
25742 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25743 * config/arm/arm.c: Replace use of constant 12 as a register
25744 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25746 * config/arm/elf.h: Tidy up.
25747 * config/arm/coff.h: Tidy up.
25749 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25751 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25752 * gcc/config/mips/t-iris6gld: New file.
25753 * gcc/config/mips/iris6gld.h: Likewise.
25755 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25757 * c-decl.c (widest_integer_literal_type_node,
25758 widest_unsigned_literal_type) : New.
25759 (init_decl_processing): Handle/use the two new types.
25760 * c-common.c (type_for_size,type_for_mode) : Same.
25761 * c-lex.c (yylex) : Same.
25762 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25764 * c-tree.h (widest_integer_literal_type_node,
25765 widest_unsigned_literal_type) : New.
25767 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25769 * dwarfout.c (field_byte_offset): Correctly compute the object's
25770 byte offset for the first bit of a field which crosses an alignment
25771 boundary on a !BYTES_BIG_ENDIAN target.
25773 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25775 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25778 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25779 Jeff Law <law@cygnus.com>
25781 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25784 * except.c: Include intl.h.
25785 (expand_eh_return): Set current_function_cannot_inline.
25786 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25787 * function.h (struct function): Add eh_return_stub_label.
25788 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25789 * Makefile.in (except.o): Depend on intl.h.
25791 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25793 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25794 same as offsettable in cases 1 and 2.
25796 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25798 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25799 (extlh, extwh): Likewise.
25801 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25803 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25805 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25807 * configure.in: Add arm-pe and thumb-pe targets.
25808 * configure: Regenerate.
25810 * thumb.c (arm_naked_function_p): New function: Determines if
25811 a function is naked (has no gcc generated prologue/epilogue).
25812 (is_called_in_ARM_mode): Return true if the func has the
25813 interfacearm attribute.
25814 (output_return): Do not generate a return for naked functions.
25815 (thumb_function_prologue): Do not generate a prologue for
25817 (thumb_expand_prologue): Do not generate a prologue for naked
25819 (thumb_expand_epilogue): Do not generate an epilogue for naked
25821 (arm_valid_machine_decl_attribute): New function, copied from
25822 arm.c: Permit naked and interfacearm attributes.
25824 * config/arm/pe.c: New file: Support code for arm-pe target.
25825 * config/arm/pe.h: New file: Header file for arm-pe target.
25826 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25827 * config/arm/t-thumb-pe: New file: Makefile fragment for
25830 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25832 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25833 -fPIC or -fpic is specified.
25835 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25837 * expr.c (emit_block_move): Use copy_to_mode_reg for
25838 !TARGET_MEM_FUNCTIONS case too.
25840 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25842 * configure: Rebuilt.
25843 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25844 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25845 definitions made redundant by dbxelf.h inclusion. Delete
25846 lots of definitions related to assembly output that are
25847 specific to the SOM object format.
25848 * pa.c (output_function_prologue): Do not emit the function's
25850 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25851 * pa-pro.h: Deleted.
25852 * som.h: New file with SOM specific definitions.
25853 * elf.h: New file with ELF specific definitions.
25855 * elfos.h (const_section): Output a tab before assembler directives.
25856 (ctors_section, dtors_section): Likewise.
25857 (ASM_OUTPUT_SECTION_NAME): Likewise.
25859 * pa/pa1.h: Delete unused file.
25861 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25863 * configure.in (hppa*-hp-hpux11*): New configuration.
25864 * configure: Rebuilt.
25865 * pa/pa-hpux11.h: New file.
25866 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25869 * mips.md (leasi, leadi): New patterns.
25871 * expr.c (emit_block_move): Properly handle case where one of the
25872 block move arguments has a queued increment or decrement.
25873 (clear_storage): Similarly. Fix formatting goof.
25875 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25877 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25878 semicolon from the BSD VA_LIST replacement expression.
25880 * fixinc/inclhack.sh: regen
25881 * fixinc/fixincl.x: regen
25883 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25884 now use the fixincl program.
25886 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25888 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25889 case. Also make the PIC register call_used.
25891 * m68k.h (FINALIZE_PIC): Delete.
25892 * m68k.c (finalize_pic): Delete.
25894 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25896 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25899 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25901 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25903 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25905 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25907 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25909 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25911 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25913 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25915 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25917 * rs6000.c (output_toc): Always use hex values for floating-point
25918 constants. Store single-precision values in upper-half of TOC
25919 entry in 64-bit mode.
25920 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25921 to final constraints.
25922 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25923 (fctiwz): Improve accuracy of RTL for pattern.
25925 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25927 * expr.c (expand_expr): Allow RTL_EXPR's through the
25928 MAX_INTEGER_COMPUTATION_MODE checks.
25930 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25932 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25933 such that MASK_SUPPORT_ARCH is not negative.
25935 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25937 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25938 ADDR_DIFF_VEC insns that appear inside loops.
25940 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25941 Jeff Law <law@cygnus.com>
25943 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25944 Handle LO_SUM the same as offsettable in cases 1 and 2.
25945 * rs6000.c (find_addr_reg): Revert previous patch.
25947 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25949 * system.h (strstr): New external function declaration.
25950 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25951 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25952 * config.in, configure: Rebuilt.
25954 1999-06-24 Tom Tromey <tromey@cygnus.com>
25956 * gcc.c (main): Read user-specified specs files after computing
25957 additional startfile_prefixes.
25959 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25961 Revert these two patches:
25963 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25964 * loop.c (strength_reduce): When doing biv->giv conversion, update
25965 reg note of NEXT->insn.
25967 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25968 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25970 (recombine_givs): Set ix field after sorting.
25972 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25974 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25975 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25977 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25979 *fixinc/inclhack.def: Add fix development commentary
25980 (read_ret_type): reactivate and add selection clause
25981 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25982 *fixinc/{fixincl.x|inclhack.sh}: regen
25984 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25986 * expr.c (expand_expr): STRIP_NOPS before checking against
25987 MAX_INTEGER_COMPUTATION_MODE
25988 (check_max_integer_computation_mode): Likewise.
25990 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25992 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25994 1999-06-22 Jim Wilson <wilson@cygnus.com>
25996 * expr.c (store_expr): When target is a promoted subreg, return a
25997 promoted subreg as a result.
25999 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
26001 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
26003 (dwarf2out_define): Mark unused parameters appropriately.
26004 (gen_unspecified_parameters_die): Ditto.
26005 (gen_subprogram_die): Fix signed/unsigned warnings.
26006 (gen_variable_die): Ditto.
26008 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
26010 * fixinc/inclhack.def(end_else_label): combined else_label
26011 and endif_label and fixed the sed expression.
26012 *fixinc/{fixincl.x|inclhack.sh}: regen
26014 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
26016 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
26017 'x' when handling non-offsettable addresses
26019 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
26021 * final.c (shorten_branches): Don't try to split an insn that has
26024 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
26026 * config/mips/mips.c (symbolic_expression_p): New function.
26027 (mips_select_rtx_section): Put symbolic expressions in the
26028 data section, not the read-only data section.
26030 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
26032 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
26034 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
26036 * collect2.c (main): Log frame table count.
26037 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
26038 (scan_prog_file) [COFF]: Handle frame tables.
26040 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
26041 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
26042 * alpha/elf.h: Undef them again.
26043 * alpha/vms.h: Remove their definitions.
26045 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26047 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
26048 remove the clobber of r0 and change the REG_UNUSED note to
26051 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
26053 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
26054 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
26055 fits in HOST_WIDE_INT and one uses union to access a long constant
26058 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
26060 * sparc.c (sparc_override_options): Don't allow profiling for
26061 code models other than medlow.
26062 (sparc_function_profiler): New function from old FUNCTION_PROFILER
26063 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
26064 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
26065 (sparc_block_profiler): Likewise.
26066 (sparc_function_block_profiler_exit): Likewise.
26067 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
26068 (FUNCTION_BLOCK_PROFILER): Likewise.
26069 (BLOCK_PROFILER): Likewise.
26070 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
26071 (MCOUNT_FUNCTION): New.
26072 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
26073 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
26074 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
26075 (MCOUNT_FUNCTION): New.
26076 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
26077 (BLOCK_PROFILER): Delete.
26078 (MCOUNT_FUNCTION): New.
26080 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
26082 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
26084 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26086 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26089 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26092 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26095 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26098 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
26100 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
26103 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
26105 * i386/djgpp.h (LIB_SPEC): New.
26106 (STARTFILE_SPEC): New.
26108 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
26110 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
26112 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
26115 * system.h (WSTOPSIG): New macro.
26117 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
26119 * c-pragma.c (push_alignment): Don't ignore alignments greater than
26121 (insert_pack_attributes): Take into account member natural
26124 * i386/winnt.c (exports_head): New static variable.
26125 (i386_pe_record_exported_symbol): New function.
26126 (i386_pe_asm_file_end): Use.
26127 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
26128 symbols to be emitted at end of assembly.
26129 (ASM_DECLARE_OBJECT_NAME): Likewise.
26130 (ASM_DECLARE_FUNCTION_NAME): Likewise.
26132 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
26135 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
26137 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
26140 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
26142 * haifa-sched.c (sched_analyze_1): Use free_list instead of
26143 zapping reg_last_uses directly.
26144 (sched_analyze_2, sched_analyze_insn): Likewise.
26145 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
26147 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
26149 * rs6000.md (movdf_hardfloat32): Use worst case insn length
26150 attributes for cases 1 and 2.
26152 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
26154 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
26157 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
26159 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
26161 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
26163 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
26164 PIC_OFFSET_TABLE_REGNUM for general alloaction.
26165 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
26166 must be stacked if it is used for PIC accesses.
26167 * arm.c (use_return_insn): Handle PIC register specially.
26168 (output_return_instruction): Likewise.
26169 (output_func_{prologue,epilogue}): Likewise.
26170 (output_expand_prologue): Likewise.
26172 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
26173 (*strsi_predec): Renamed from *strqi_predec.
26174 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
26175 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
26177 * arm.c (arm_override_options): Remove warning about PIC code
26178 not being supported.
26180 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
26182 * rs6000.c (find_addr_reg): New function.
26183 * rs6000.h (find_addr_reg): Declare.
26184 (offsettable_addr_operand): Delete.
26185 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
26186 from and stores to GPRs.
26188 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
26190 * alpha.c (alpha_expand_block_move): Use get_insns rather than
26191 gen_sequence as argument to emit_no_conflict_block.
26193 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26195 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
26196 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
26197 *fixinc/fixincl.x: regen
26198 *fixinc/inclhack.sh: regen
26200 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
26202 * added support for -mpcrel (PC relative addressing for m68k)
26203 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
26204 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
26205 * m68k.c (print_operand_address): Handle 32-bit PIC case.
26206 (comments for general_src_operand): Add some explanation
26207 about EXTRA_CONSTRAINTS.
26208 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
26209 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26210 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26211 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26212 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26213 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26214 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26215 if not already set.
26216 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26217 * m68k.h (TARGET_PCREL): New target flag.
26218 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26219 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26220 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26221 contains a SYMBOL_REF. Relax this constraint during reload, since
26222 we want to use the predicates, not reload's built-in concept of a
26223 valid memory address, to control what insns need reloading.
26224 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26225 operands (essentially 'g', 'm', and 's' under normal circumstances).
26226 * m68k.c (print_operand): Cause printing of pc-relative addresses
26227 to include pc register.
26228 (print_operand_address): Ditto.
26229 (general_src_operand): Accept operands that are not only
26230 general_operands, but are also valid when used as a pc-relative
26232 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26233 (memory_src_operand): Similar, for memory_operands.
26234 (pcrel_address): New predicate to accept the special case of a
26235 pc-relative address.
26236 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26237 QImode insns to accept *_src_operand instead of *_operand where
26238 pc-relative operands can fit. For example, a pc-relative operand
26239 can be used as a memory source operand for addsi3, but not as a
26240 memory destination.
26241 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26243 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26245 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26246 .thumb_set pseudo op to mark aliases of thumb functions.
26248 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26250 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26251 preference to ASM_OUTPUT_DEF, if it is defined.
26253 * tm.texi: Document new, optional target macro
26254 ASM_OUTPUT_DEF_FROM_DECLS.
26256 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26258 * fixincludes: ISCNTL patch
26259 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26260 (dgux_int_varargs): new for DG/UX
26261 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26263 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26265 * invoke.texi (ia32 options): Fix typo.
26267 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26269 * loop.c (strength_reduce): When doing biv->giv conversion, update
26270 reg note of NEXT->insn.
26272 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26274 * loop.c (move_movables): Note issues with replacing REGs with
26276 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26278 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26280 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26282 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26283 the reference to `mcount' was not correct for the ELF on FreeBSD.
26285 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26287 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26290 (recombine_givs): Set ix field after sorting.
26292 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26294 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26295 to safe to extract a subword out of a REG.
26297 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26299 * sh.md (mulsi3): Don't add a no-op move at the end.
26301 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26303 * cse.c (cse_insn): Don't put hard register source into tables for
26304 the last insn of a libcall.
26306 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26308 * loop.c (strength_reduce): Insert sets of derived givs at every
26309 biv increment, even if it's the only one.
26311 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26313 * dwarfout.c (add_incomplete_type): New fn.
26314 (output_type): Call it.
26315 (retry_incomplete_types): New fn.
26316 (dwarfout_finish): Call it.
26318 From Eric Raskin <ehr@listworks.com>:
26319 (output_type): Output types for bases.
26321 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26323 * mips.c (mips_output_conditional_branch): Add `break'
26324 between `default' label and `close braces'.
26326 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26328 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26329 specifications and make it realistic.
26330 (LIB_SPEC): Likewise.
26332 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26334 * config/mips/mips.c (mips_secondary_reload_class): Check for
26335 (PLUS (SP) (REG)) and return appropriate register class.
26336 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26337 Handle (PLUS (SP) (REG)).
26338 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26339 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26340 of emit_insn for tablejump.
26342 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26344 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26345 asm_fprintf format string by itself.
26346 (output_function_profiler): Likewise.
26348 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26350 * combine.c (simplify_logical, case AND): Only call
26351 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26352 or the constant is positive.
26354 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26356 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26357 * configure: Regenerate.
26359 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26361 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26362 require a sub-version #.
26363 * configure: Rebuilt.
26365 1999-06-14 Robert Lipe (robertlipe@usa.net)
26367 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26369 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26371 * c-typeck.c (process_init_element): Detect excess elements in
26372 char array initializer.
26374 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26376 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26378 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26380 * invoke.texi (Option Summary): Add -fpermissive flag.
26382 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26384 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26385 that require PIC code sequences.
26387 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26389 * configure.in: Add new target: thumb-elf.
26390 * configure: Regenerate.
26391 * config/arm/t-thumb-elf: New file: Makefile fragment for
26393 * config/arm/telf.h: New file: Header file for thumb-elf
26396 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26398 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26399 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26400 initializers is some circumstances.
26402 * fixinc/inclhack.def (endif_label): Add additional selector for
26403 more bogus stuff after #endif statements.
26404 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26406 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26408 * i386/cygwin.h (SET_ASM_OP): Define.
26410 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26412 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26414 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26416 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26419 * sh.md (ic_invalidate_line_i): Remove second alternative.
26421 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26423 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26424 test for the presence of valid prototypes. Delete bypass expr.
26425 (ioctl_fix_ctrl): Correct the selection expression.
26426 (no_double_slash): Correct quoting rules
26427 *fixinc/fixincl.x: regen
26428 *fixinc/inclhack.sh: regen
26430 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26432 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26434 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26436 * rs6000.md (movsi_got_internal_mem): Delete.
26437 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26438 (GOT_TOC_REGNUM): Delete.
26439 (PIC_OFFSET_TABLE_REGNUM): Define.
26440 (FINALIZE_PIC): Disable.
26441 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26442 (rs6000_replace_regno): Delete.
26443 (rs6000_finalize_pic): Likewise.
26444 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26446 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26448 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26449 is a note; use <= for the compare; advance P while it is
26452 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26454 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26455 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26457 * varasm.c (remove_from_pending_weak_list): Verify t->name
26458 is non-NULL before passing it to strcmp.
26460 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26462 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26463 the typed arguments are not part of a comment
26464 (ioctl_fix_ctrl): Added a purpose comment
26465 *fixinc/fixincl.x: regenerate
26466 *fixinc/inclhack.sh: regenerate
26468 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26470 * invoke.texi: Add C4x invocation docs.
26472 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26474 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26476 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26478 (c4x_legitimize_reload_address): New function.
26479 * config/c4x/c4x.md: Update docs.
26481 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26483 * fixincludes: Avoid removing '.'.
26484 * fixinc/fixinc.svr4: Likewise.
26485 * fixinc/fixinc.winnt: Likewise.
26486 * fixinc/inclhack.tpl: Likewise.
26487 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26489 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26491 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26493 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26495 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26497 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26500 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26502 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26503 * configure: Regenerate.
26505 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26507 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26510 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26512 * fixinc/inclhack.def (avoid_bool): Also catch
26513 "typedef [unsigned] int bool".
26514 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26516 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26517 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26518 * configure: Rebuilt.
26520 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26522 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26523 such that we can override its definitions if necessary.
26524 (CPP_SPEC): New define. Support processor specific predefines via
26526 (CC1_SPEC): New define. Support processor specific compiler
26527 options via %(cc1_cpu).
26528 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26531 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26533 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26534 between sed's -e flag, and the open-quote following it.
26535 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26537 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26538 Jeffrey A Law (law@cygnus.com)
26540 * varasm.c (assemble_start_function): Remove the function
26541 from the pending weak decls list when we define a function.
26542 (assemble_variable): Similarly for variables.
26543 (weak_finish): Ignore items on the list with a NULL name.
26544 (remove_from_ending_weak_list); New function to "remove" an item
26545 from the pending weak declarations list.
26547 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26549 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26551 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26553 * c-lex.c (GETC): Redefine to call getch.
26554 (UNGETC): Redefine to call put_back.
26555 (putback_buffer): New structure type.
26556 (putback): New static structure.
26557 (getch): New function.
26558 (put_back): New function.
26559 (yylex): Replace unused bytes from bad multibyte character.
26561 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26563 * cpplib.c (do_define): Cast `alloca' return value.
26564 (do_include, do_undef, do_pragma): Likewise.
26565 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26567 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26568 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26570 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26572 * sparc.md (abstf2): This should be an expand.
26573 (split after abstf2_notv9): Fix mode.
26574 (abstf2_hq_v9): New pattern.
26575 (abstf2_v9): Only use when no hard quad.
26576 (absdf2_v9): Fix if target is not the same as source.
26577 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26578 Add correct output constraints.
26580 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26582 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26583 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26585 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26587 * mips.h (mips_output_conditional_branch): New function.
26588 (mips_adjust_insn_length): Likewise.
26589 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26590 (ADJUST_INSN_LENGTH): Likewise.
26591 * mips.c (print_operand): Add `F' and `W' for floating-point
26592 comparison opcodes.
26593 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26595 (mips_adjust_insn_length): New function.
26596 (mips_output_conditional_branch): New function.
26597 * mips.md (length): Adjust attribute definition to handle
26598 conditional branches. Change lengths to bytes, rather than
26599 instructions throughout. Remove length attribute from
26600 instructions whose length is four bytes, and rely on the default
26602 (dslot): Fix typo in comment.
26603 Reword conditional branch patterns to use
26604 mips_output_conditional_branch.
26606 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26608 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26609 (LIB_SPEC): Likewise.
26610 Link with -lprof1_r for -g/-pg.
26612 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26614 * loop.c (check_dbra_loop): Fix change of Jan 19.
26616 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26618 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26619 (STARTFILE_SPEC): Define, override the svr4.h version.
26620 (ENDFILE_SPEC): Likewise.
26622 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26624 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26625 * fixinc/fixincl.x: Regenerated.
26626 * fixinc/inclhack.sh: Regenerated.
26628 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26630 * sh.c (barrier_align): Don't return early for normal branch/barrier
26631 when optimizing for SH2.
26633 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26635 * i386/udk.h (LINK_SPEC): Correct linker search path for
26638 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26640 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26641 (braf_label_ref_operand): Delete.
26642 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26643 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26644 label_ref, and has no predicate.
26645 The patten has a predicate to guard against invalid substitutions.
26646 (dummy_jump): Delete.
26647 (casesi): Update use of casesi_jump_2.
26649 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26651 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26652 *fixinc/fixincl.x: regenerate
26653 *fixinc/inclhack.sh: regenerate
26655 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26657 * dwarf2out.c (add_incomplete_type): New fn.
26658 (gen_struct_or_union_type_die): Call it.
26659 (retry_incomplete_types): New fn.
26660 (dwarf2out_finish): Call it.
26662 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26664 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26665 current block starts with a CODE_LABEL and ends with a CALL and
26666 we can not find all the argument setup instructions for the CALL.
26668 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26670 Revert this change:
26671 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26672 something is a candidate for optimize_bit_field_compare.
26674 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26676 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26678 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26680 * alpha.c (override_options): Thinko in last patch.
26682 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26683 (LIB_SPEC): Recognize -pthread.
26685 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26687 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26688 definition in config/arm/coff.h
26689 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26691 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26693 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26694 fixes that need "file=xxx\n" prepended before invocation
26695 (start_fixer - new): starting the fixer process is complex enough
26696 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26697 (process): uses the new routine; omit usage of putenv()
26698 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26699 * fixinc/fixincl.x: regenerate
26701 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26703 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26704 and version #s (1.1 -> 2.96) as needed.
26705 * README.g77: Kill way out of date file in the toplevel directory.
26707 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26709 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26710 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26711 * configure: Rebuilt.
26712 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26713 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26714 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26715 (SWITCH_TAKES_ARG): Likewise.
26716 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26717 * config/t-freebsd: Moved from config/i386/ so it can used for all
26720 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26722 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26724 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26726 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26727 * configure: Rebuilt.
26729 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26731 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26732 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26733 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26734 (rs6000_output_load_toc_table): Same.
26735 (output_prolog, output_mi_thunk): Same.
26736 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26737 (ASM_GLOBALIZE_LABEL): Use putc.
26739 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26741 * alpha.md (reload_*_help): New patterns and splitters.
26742 (reload_*): Use them.
26743 (mov[qh]i): Likewise.
26745 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26747 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26750 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26752 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26754 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26756 * flow.c (mark_regs_live_at_end, insn_dead_p,
26757 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26758 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26759 hasn't run or the frame pointer is needed.
26760 * haifa-sched.c (attach_deaths): Likewise.
26761 * sched.c (attach_deaths): Likewise.
26763 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26765 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26766 calculate_can_reach_end returns nonzero.
26768 * configure.in (native gas tests): Search for an assembler in the
26769 same manner that the installed compiler will.
26770 * configure: Rebuilt.
26771 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26773 * alias.c (find_base_term): Improve handling of addresses
26774 constructed from binary operations.
26776 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26778 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26780 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26782 * function.h (cleanup_label, frame_offset): Declare.
26783 (tail_recursion_label, tail_recursion_reentry): Likewise.
26784 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26785 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26786 (tail_recursion_label, tail_recursion_reentry): Likewise.
26787 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26789 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26791 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26793 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26794 (MAX_OFILE_ALIGNMENT): Define.
26796 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26798 * fixincl.c: Replace local include scheme with #includes of
26799 gansidecl.h and system.h.
26800 * procopen.c: Likewise.
26801 * server.c: Likewise.
26803 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26805 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26806 (crti.o): Add build rule and dependencies.
26807 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26809 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26811 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26812 (LIB_LINUX_SPEC): Likewise.
26813 (LIB_LINUX_SPEC): Add support for -pthread
26814 (CPP_OS_LINUX_SPEC): Likewise.
26815 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26818 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26820 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26822 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26823 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26824 for IEEE math and CC_FCOMI.
26825 (put_jump_code): No IEEE if CC_FCOMI is set.
26827 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26829 * fold-const.c (fold_truthop): Make the field reference unsigned
26830 when converting a single bit compare.
26832 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26834 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26836 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26838 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26839 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26842 * reload.c (push_reload): Do not call remove_address_replacements
26843 when presented with identical optional reloads.
26845 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26847 * alpha.h (MASK_FIX, TARGET_FIX): New.
26848 (MASK_*): Reorganize constants.
26849 (CPP_AM_FIX_SPEC): New.
26850 (TARGET_SWITCHES): Add FIX.
26851 (EXTRA_SPECS): Likewise.
26852 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26853 (SECONDARY_MEMORY_NEEDED): Likewise.
26854 (REGISTER_MOVE_COST): Likewise.
26855 * alpha.c (override_options): Add FIX support. Always use
26856 ALPHA_TP_PROG for ev6.
26857 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26858 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26859 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26861 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26863 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26864 something is a candidate for optimize_bit_field_compare.
26866 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26868 * gcc.texi (Passes): Document branch-shortening.
26869 * invoke.texi (Debugging Options): Document the fact that `-dp'
26870 outputs length information for instructions.
26872 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26874 * flow.c: Revert previous delta.
26876 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26878 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26879 FRAME_POINTER_REGNUM.
26880 (mark_set_1): Ditto.
26881 (mark_used_regs): Ditto.
26883 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26885 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26886 (GOT_PCREL): New macro. Define to 1 if not already defined.
26887 * arm/elf.h (GOT_PCREL): Define to 0.
26888 * arm.c (arm_finalize_pic): Take into account the setting of
26891 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26893 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26894 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26896 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26897 store elimination candidates.
26899 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26901 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26904 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26906 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26907 Add use of x-aix41-gld.
26909 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26911 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26912 (ASM_OUTPUT_DESTRUCTOR): Define.
26914 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26916 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26917 last CODE_LABEL in a loop if we have previously passed a jump
26918 to the top of the loop.
26920 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26922 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26923 applying Philip's patch.
26925 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26927 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26930 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26932 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26934 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26936 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26937 Also remove a useless comment.
26939 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26941 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26943 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26945 * collect2.c (main): Only generate import or export file and add
26946 to link arguments if non-empty. Use xmalloc not alloca.
26947 (write_{export,import}_file): Delete.
26948 (write_aix_file): New function.
26949 (locatelib): Use xmalloc not malloc.
26950 (GCC_OK_SYMBOL): Do not check type if aix64.
26952 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26954 Based on patch by Scott Bambrough and Pat Beirne:
26955 * config/arm/arm.c (making_const_table): New variable.
26956 * config/arm/arm.h (making_const_table): Declare.
26957 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26959 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26960 Keep track of when we are building the constant table.
26962 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26964 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26967 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26969 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26972 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26974 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26977 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26979 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26981 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26983 * rs6000.c (output_mi_thunk): Enable full support again.
26985 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26987 * sh.h (BRANCH_COST): Define.
26989 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26991 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26993 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26995 * function.c (assign_stack_local): Align stack slot propertly.
26996 (assign_outer_stack_local): Likewise.
26998 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
27000 * expr.h (lang_expand_constant): Declare.
27001 * toplev.c (lang_expand_constant): Define it.
27002 * varasm.c (output_constant): Use it.
27004 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27006 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
27007 Change function definitions to K&R style.
27009 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27011 * fixinc/fixincl.c: We must not ignore SIGCLD now.
27013 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
27015 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
27016 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
27017 (several places): omit static initialization
27018 (process): use single fd, since only the read fd is used
27019 * fixinc/gnu-regex.c: define 'const' away, if not supported
27020 * fixinc/procopen.c(several places): omit static initialization
27021 * fixinc/server.c: define 'volitile' away, if not supported
27023 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27025 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
27026 asm_fprintf and %L to generate the label name.
27027 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
27028 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
27030 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
27032 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
27033 insn for a conditional jump can not be found.
27035 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
27037 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
27038 on variables in specific sections other than .sbss and .sdata.
27040 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
27042 * stmt.c (expand_return): Call start_cleanup_deferral and
27043 end_cleanup_deferral around conditional code.
27045 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27047 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
27048 filename lists. Utilizes new "krstr" AutoGen function.
27049 * fixinc/fixincl.x: Rebuilt.
27051 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
27053 * i386.c (output_float_compare): Avoid GNU-C extensions.
27055 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
27057 * version.c: Bump to distinguish mainline tree from the
27060 See ChangeLog.1 for earlier changes.