1 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3 * cpphash.h: Remove conditional #define of __extension__.
4 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
6 (ENABLE_RTL_CHECKING only).
7 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
8 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
9 (ENABLE_TREE_CHECKING only).
10 * varray.h: Add __extension__ to VARRAY_CHECK macro
11 (ENABLE_CHECKING only).
13 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
15 Use new tail-calling mechanism on ARM.
16 * arm.md (sibcall, sibcall_value): New expands.
17 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
18 (tailcalling peepholes): Delete.
19 (push_multi): Simplify.
20 * arm.c (lr_save_eliminated): Delete definition.
21 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
22 (output_return_instruction): Remove checks on lr_save_eliminated.
23 (output_arm_prologue): Remove old tail-calling code.
24 (arm_output_epilogue): New parameter, really_return. All callers
25 changed. Handle tail-calling epilogues.
26 * arm.h (lr_save_eliminated): Delete declaration.
27 (frame_pointer_needed): Delete declaration.
28 * arm-protos.h (arm_output_epilogue): Adjust prototype.
30 * arm.md (is_thumb): Examine symbol thumb_code, not expression
32 * arm.c (thumb_code): Define it.
33 (arm_override_options): Set it.
34 * arm.h (thumb_code): Declare it.
36 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
38 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
40 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
42 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
43 bogus clobber to insns.
44 (load_multiple_operation, store_mulitple_operation): Don't check
46 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
48 * arm.md (and_scc, ior_scc): Add missing mode.
50 * arm.md (call_value_symbol): Remove predicate from op2.
52 * arm.h (SPECIAL_MODE_PREDICATES): Define.
54 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
56 * expr.c (get_subtarget): New function.
57 (force_operand, expand_expr, do_store_flag): Use it.
59 * toplev.c (compile_file): Don't take strlen of NAME if null.
61 2000-05-06 David Edelsohn <edelsohn@gnu.org>
63 * xcoffout.c (xcoff_current_include_file,
64 xcoff_current_function_file, xcoff_lastfile): Constify char *.
65 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
67 (xcoffout_declare_function): Make name 'const char *'.
68 (xcoffout_end_epilogue): Make fname 'const char *'
69 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
70 xcoffout_declare_function, xcoffout_source_line): Match above.
72 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
74 * rs6000.c (print_operand): Fix lossage typo.
75 (output_cbranch): Remove "cr" decoration for now.
76 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
78 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
80 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
83 2000-05-05 Bruce Korb <bkorb@gnu.org>
85 * fixinc/genfixes: Improve the matching for make target names
87 2000-05-05 Catherine Moore <clm@cygnus.com>
89 * c-common.c (decl_attributes): For TYPE_DECLs attach the
90 attribute to the decl.
91 * c-decl.c (pushdecl): Propagate the USED attribute to the
94 2000-05-05 Richard Henderson <rth@cygnus.com>
96 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
97 same way emit_group_load does.
99 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
101 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
103 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
106 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
108 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
110 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
112 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
113 to support -shared, on platforms with dynamic libraries.
115 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
117 * system.h (S_ISBLK): Provide fallback definition.
119 2000-05-05 Geoff Berry <geoffb@bops.com>
121 * extend.texi (Extended Asm): Document inability to give asm
122 statements access to condition codes.
124 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
126 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
127 as arg 2 of UNIQUE_SECTION.
129 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
131 * predict.c: Remove May 4 change.
132 * bb-reorder.c (make_reorder_chain): Do not perform block movement
133 if we have predicted the branch at 50-50 probability.
135 2000-05-05 Richard Henderson <rth@cygnus.com>
137 * flow.c (init_propagate_block_info): Fix merge error
138 in HAVE_conditional_execution code.
140 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
142 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
143 shift cycle for unknown shift count. Also generates dec + brpl.
144 (ashlqi3_out): Don't generate dec + brpl which now generates by
145 `out_shift_with_cnt'.
146 (ashlhi3_out): Likewise.
147 (ashlsi3_out): Likewise.
148 (ashrqi3_out): Likewise.
149 (ashrhi3_out): Likewise.
150 (ashrsi3_out): Likewise.
151 (lshrqi3_out): Likewise.
152 (lshrhi3_out): Likewise.
153 (lshrsi3_out): Likewise.
155 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
157 * gcc.c (free_split_directories): Correct typo in explanation
158 of make_relative_prefix.
160 2000-05-04 Geoff Keating <geoffk@cygnus.com>
162 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
163 comparison codes to branch_comparison_operator.
165 2000-05-04 Richard Henderson <rth@cygnus.com>
167 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
169 2000-05-04 Richard Henderson <rth@cygnus.com>
171 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
172 (DPBIT_FUNCS): Remove _sf_to_usi.
173 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
175 * ifcvt.c (noce_process_if_block): Fail if A or B modified
176 between condition and jump.
178 * libgcc2.c (near eh_context_specific): Comment #endif string.
179 * longlong.h: Don't use strings with embedded newlines.
181 2000-05-04 Geoff Keating <geoffk@cygnus.com>
183 * config/rs6000/rs6000-protos.h: Add output_cbranch.
184 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
185 (print_operand): Delete %t and %T codes.
186 (output_cbranch): New function. Support branch prediction.
187 * config/rs6000/rs6000.md: Use output_cbranch for
188 conditional branches and returns.
190 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
192 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
193 * stor-layout.c (place_field): Likewise.
194 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
195 * expr.c (store_expr): Make align unsigned.
196 * explow.c (plus_constant_wide): Make low words unsigned.
197 * expmed.c (choose_multiplier): Likewise.
198 * fold-const.c (fold): Likewise.
199 * tree.h (build_int_2): Likewise.
200 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
201 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
202 (init_emit): Change cast to unsigned char*.
203 * varasm.c (compare_constant_1): Add cast to char*.
204 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
205 * reload1.c (reload): Likewise.
207 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
209 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
211 * predict.c (estimate_probability): If no prediction was found, then
212 predict the successor that is the next physical block (if such a
215 2000-05-04 Richard Henderson <rth@cygnus.com>
217 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
219 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
221 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
223 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
225 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
226 attribute macros from here ...
228 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
229 (CPP_SPEC): Likewise.
230 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
232 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
233 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
235 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
237 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
239 * diagnostic (vbuild_message_string, build_message_string,
240 build_location_prefix, output_get_prefix, init_output_buffer,
241 output_notice, vline_wrapper_message_with_location,
242 v_message_with_decl, default_print_error_function): De-constify.
243 (set_real_maximum_length): Prototype.
245 * diagnostic.h (struct output_buffer, init_output_buffer,
246 output_get_prefix, output_set_prefix): De-constify.
248 * function.c (init_function_start): Constify.
250 * gensupport.c (remove_constraints, process_rtx): Prototype.
252 * gthr-posix.h: Indent uses of #pragma.
254 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
257 * predict.c (find_expected_value): Delete prototype.
258 (expected_value_to_br_prob): Initialize variable `ev_reg'.
260 * sbitmap.h (debug_sbitmap): Prototype.
262 * ssa.c (compute_coalesced_reg_partition): Prototype.
264 * stor-layout.c (debug_rli): Prototype.
266 * tree.h (round_down): Prototype.
267 (init_function_start): Constify.
269 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
271 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
272 (overly conservative). Change extern inline wrappers to
273 static inline, define them always, use PARAMS properly.
274 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
275 whitespace warnings for \f and \v at the beginning of a line.
277 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
279 * haifa-sched.c (schedule_insns): Free the flow edge list when it
282 2000-05-04 Bruce Korb <bkorb@gnu.org>
284 * fixincl/inclhack.def: added broken_cabs -
285 Remove `extern double cabs' declarations from math.h
286 * fixincl/inclhack.sh: regen
287 * fixincl/fixincl.x: regen
288 * fixincl/fixincl.c: Remove BOGOSITY code
289 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
291 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
293 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
295 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
296 when calling MEM_COPY_ATTRIBUTES.
297 * emit-rtl.c (operand_subword, change_address): Likewise.
298 * explow.c (stabilize): Likewise.
299 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
300 * integrate.c (copy_rtx_and_substitute): Likewise.
301 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
302 when calling MEM_COPY_ATTRIBUTES.
303 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
305 * cse.c (gen_lowpart_if_possible): Likewise.
306 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
307 * optabs.c (gen_move_insn): Likewise.
308 * recog.c (validate_replace_rtx_1): Likewise.
309 * simplify-rtx.c (add_mem_for_addr): Likewise.
310 * stmt.c (expand_anon_union_decl): Likewise.
311 * config/arm/arm.md: Likewise.
312 * config/h8300/h7300.c (fix_bit_operand): Likewise.
313 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
314 (block_move_no_loop, block_move_sequence): Likewise.
315 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
316 * config/alpha/alpha.c (get_aligned_mem): Likewise.
318 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
321 2000-05-03 Robert Lipe <robertlipe@usa.net>
323 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
325 (i[34567]86-*-sco3.2v5*) Likewise.
326 (i[34567]86-*-sco3.2v4*) Likewise.
327 (i[34567]86-*-sco) Likewise.
328 (i[34567]86-*-solaris2) Likewise.
329 (i[34567]86-*-sysv5*) Likewise.
330 (i[34567]86-*-sysv4*) Likewise.
331 (i[34567]86-*-udk*) Likewise.
332 (i[34567]86-*-sysv*) Likewise.
334 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
336 * cpphash.h (U): New define, to correct type of string constants.
337 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
338 routines, to do casts when passing unsigned strings to libc.
339 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
341 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
342 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
343 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
344 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
345 second argument an U_CHAR *.
347 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
348 length field, clean up initializer.
349 (ISTABLE): Add __extension__ to designated-
350 initializers version.
351 * cpplex.c (CHARTAB): Likewise.
353 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
354 case so the file won't be empty.
356 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
358 * bb-reorder.c (struct reorder_block_def): Member succ removed.
359 (REORDER_BLOCK_SUCC): Removed.
360 (enum reorder_skip_type): Removed.
361 (skip_insns_between_block): Renamed to skip_insns_after_block.
362 Removed second argument. Removed dead code and cleaned up.
363 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
364 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
365 second parameter to skip_insns_after_block.
367 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
369 * tree.c (staticp, case LABEL_DECL): New case.
371 2000-05-03 Richard Henderson <rth@cygnus.com>
373 * Makefile.in (start.encap): Do not depend on LIBGCC1.
375 * mklibgcc1.in: Fix typo last change.
377 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
379 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
380 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
381 (GCC_CFLAGS): Use it.
382 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
383 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
384 objc/Make-lang.in: Use it.
386 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
388 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
390 2000-05-03 Richard Henderson <rth@cygnus.com>
392 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
393 LIBGCC1 empty with libgcc1.null.
395 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
397 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
400 2000-05-03 Greg McGary <gkm@gnu.org>
402 * tree.h (tree_common): Add bounded_flag member. Remove
403 inaccurate comment about number of remaining bits.
404 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
405 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
406 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
407 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
408 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
409 (TYPE_QUAL_BOUNDED): New constant.
410 (TYPE_QUALS): Handle bounded qualifier.
411 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
412 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
413 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
414 TYPE_AMBIENT_BOUNDEDNESS): New macros.
415 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
416 (tree_type): Add pointer_depth member. Remove
417 inaccurate comment about number of remaining bits.
418 (DECL_POINTER_DEPTH): Add macro.
419 (tree_decl): Add pointer_depth member.
421 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
423 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
424 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
425 (lshrhi3_out): Likewise.
426 (ashrsi3_out): bugfix in shift by 8.
427 (test_hard_reg_class): New function.
428 * config/avr/avr.md: Bugfix inside conditions in peepholes.
429 (ashlhi3): removed define_expand of this pattern.
430 (*ashlhi3_insn): renamed to ashlhi3.
431 (ashlsi3): removed define_expand of this pattern.
432 (*ashlsi3_insn): renamed to ashlsi3.
433 (ashrqi3): removed define_expand of this pattern.
434 (*ashrqi3_insn): renamed to ashrqi3.
435 (ashrhi3): removed define_expand of this pattern.
436 (*ashrhi3_insn): renamed to ashrhi3.
437 (ashrsi3): removed define_expand of this pattern.
438 (*ashrsi3_insn): renamed to ashrsi3.
439 (lshrhi3): removed define_expand of this pattern.
440 (*lshrhi3_insn): renamed to lshrhi3.
441 (lshrsi3): removed define_expand of this pattern.
442 (*lshrsi3_insn): renamed to lshrsi3.
444 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
446 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
447 inclusion of "system.h".
449 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
451 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
454 2000-05-03 David Mosberger <davidm@hpl.hp.com>
456 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
458 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
459 -mconstant-gp is in effect and function-descriptors are being used
460 to make indirect calls.
461 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
462 (MASK_AUTO_PIC): Ditto.
463 (TARGET_CONST_GP): Ditto.
464 (TARGET_AUTO_PIC): Ditto.
465 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
466 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
467 -mno-pic is in effect.
468 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
469 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
470 -mauto-pic is in effect.
471 (gprel64_offset): New pattern.
472 (load_gprel64): Ditto.
473 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
474 -mconstant-gp is in effect, no need to preserve gp around direct
477 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
478 (FUNCTION_PROFILER): Define.
479 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
480 @fptr() directive when -mno-pic or -mauto-pic is in effect.
481 (ASM_OUTPUT_DESTRUCTOR): Ditto.
483 2000-05-03 Richard Henderson <rth@cygnus.com>
485 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
486 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
487 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
488 (mklibgcc, libgcc.mk): New targets.
489 (libgcc.a): Use libgcc.mk.
490 (stmp-multilib): Likewise.
491 (stmp-multilib-sub): Remove.
492 (mostlyclean): Don't delete libgcc2 temp files.
493 * configure.in (AC_PROG_CC_C_O): Add.
494 (NO_MINUS_C_MINUS_O): Substitute it.
495 (all_outputs): Add mklibgcc.
496 * mklibgcc.in: New file.
498 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
500 * cppexp.c (op_t): Make an int.
502 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
504 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
506 * gensupport.c (process_rtx): Fix macros used.
508 2000-05-03 Richard Henderson <rth@cygnus.com>
510 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
511 call-clobbered registers of a call.
513 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
515 * gensupport.c: New file.
516 * gensupport.h: New file.
517 * Makefile.in (HOST_RTL): Depend on gensupport.
518 (gensupport.o) New rule.
519 * genattr.c: Use gensupport for reading .md files.
520 * genattrtab.c: Ditto.
522 * genconfig.c: Ditto.
524 * genextract.c: Ditto.
526 * genopinit.c: Ditto.
527 * genoutput.c: Ditto.
530 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
531 * md.texi (Insn Splitting): Document define_insn_and_split.
533 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
535 * flow.c (verify_flow_info): Added two more sanity checks. The
536 first checks that the blocks are numbered consecutively. The second
537 checks that n_basic_blocks is actually equal to the number of
538 basic blocks in the insn chain.
540 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
542 * cpplib.h: Add accessor macros for token lists.
543 * cpplib.c, cpphash.c, cpplex.c: Use them.
545 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
547 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
548 memory usage if not in a function.
549 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
550 return address if static.
552 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
554 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
555 whether address may trap.
557 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
559 * bb-reorder (chain_reorder_blocks): Changed code to test for
560 EDGE_FALLTHRU rather than making erroneous assumption that the
561 first outgoing edge is the fall-through edge.
563 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
565 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
566 ABI for varargs, across all MIPS. This is incompatible because the
567 va_list (__builtin_va_list) structure is different, so a compilation
568 unit passing a va_list and a compilation unit being passed one, should
569 both be compiled with the same ABI. (The old structure had two
570 pointers, now it has three.)
572 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
574 * bb-reorder.c (struct reorder_block_def): Remove members end,
575 block_begin, and block_end.
576 (REORDER_BLOCK_OLD_END): Delete.
577 (REORDER_BLOCK_BEGIN): Delete.
578 (REORDER_BLOCK_END): Delete.
579 (chain_reorder_blocks): Remove dead code.
581 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
583 * bb-reorder.c (remove_scope_notes): Check for both types of scope
584 notes as the end of a basic block before deleting.
586 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
588 * final.c (final_start_function): Fix spelling of "necessary".
590 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
592 * toplev.c (debug_ignore_block): Return int.
593 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
594 * toplev.h, dwarf2out.h: Adjust.
595 * emit-rtl.c (remove_unnecessary_notes): Test return value.
597 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
598 * toplev.c, final.c, rtl.h: Adjust.
600 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
602 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
603 * configure.in: Look for makeinfo in the unified tree, then
604 for a system makeinfo which is sufficiently new.
605 * Makefile.in: If configure says makeinfo is too old, don't
606 build or install Info documentation.
608 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
610 * cpphash.c (collect_params): Fix off-by-one error.
611 (dump_hash_helper): Dump all four macro nodetypes.
613 2000-05-02 Jakub Jelinek <jakub@redhat.com>
615 * cpphash.c (trad_stringify): Adjust p after stringification as
618 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
620 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
621 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
623 * cppfiles.c (file_cleanup): Delete.
624 * cpphash.c (macro_cleanup): Delete.
625 (collect_objlike_expansion, collect_funlike_expansion,
626 macarg, scan_arguments): Remove CPP_POP case.
628 * cpplex.c (null_cleanup): Delete.
629 (cpp_pop_buffer): Do the work that was done in the cleanups
630 here. Call _cpp_unwind_if_stack from here.
631 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
632 cpp_scan_buffer): Run until we see CPP_EOF and the top of
633 stack is the buffer _below_ the one we stacked.
634 (cpp_get_token): Always pop an exhausted buffer. Return
635 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
636 * cpplib.c (skip_if_group): Don't call cpp_get_token to
637 increment the line number.
638 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
640 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
641 we see CPP_EOF and the top of stack is the buffer _below_ the
643 * scan-decls.c: Likewise.
645 2000-05-02 Andrew Haley <aph@cygnus.com>
647 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
648 where this function is called for the second time on a decl that
649 has had its section info changed in such a way as to move it out
651 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
653 2000-05-01 Richard Henderson <rth@cygnus.com>
655 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
656 the sequence we're moving, not to merge_bb->head.
658 2000-05-01 Richard Henderson <rth@cygnus.com>
660 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
661 reference to alpha/t-linux.
662 (alpha*-*-linux-gnu*): Likewise.
663 * configure: Rebuild.
665 * calls.c (expand_call): Don't emit reg notes for a sibcall.
667 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
670 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
672 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
674 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
677 2000-05-01 Richard Henderson <rth@cygnus.com>
679 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
680 emit_conditional_move.
682 2000-05-01 Jakub Jelinek <jakub@redhat.com>
684 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
685 as the dynamic linker.
687 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
689 * cppfiles.c (open_include_file): Open file in blocking mode.
690 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
691 Only exclude block devices and directories.
693 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
694 static. Allocate the hashnode and its string in the same
696 (del_HASHNODE): Don't free h->name.
697 (_cpp_lookup): If there is no entry for this string, create
699 (_cpp_lookup_slot): Delete.
700 * cpphash.h: Update prototypes.
702 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
704 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
705 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
706 node here, just fill in the value field properly. "Delete"
707 entries by setting the value field to T_VOID. Check for
708 hp->type == T_VOID, not hp == NULL.
710 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
711 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
714 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
716 * config/mn10300/mn10300.c (print_operand_address): Do not add
719 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
720 adjusted by less than 256 bytes, use ret regardless of having any
721 callee-saved register to restore.
723 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
725 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
727 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
729 * config/i386/djgpp.h (INT_ASM_OP): Define.
730 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
731 (ASM_WEAKEN_LABEL): Define.
732 (MASK_BNU210): Define.
733 (SUBTARGET_SWITCHES): Define.
734 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
735 (MAKE_DECL_ONE_ONLY): Define.
736 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
738 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
740 * i386/cygwin.h (INT_ASM_OP): Define.
742 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
744 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
745 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
747 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
749 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
750 __tmp_reg__ and __zero_reg__ initialization.
752 2000-04-30 Richard Henderson <rth@cygnus.com>
754 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
756 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
757 referenced bewteen the condition and the jump. Don't delete
758 anything but the jump.
760 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
762 * bb-reorder.c (scope_def): New struct.
763 (scope_forest_info): New struct.
764 (struct reorder_block_def): New member "scope".
765 (REORDER_BLOCK_SCOPE): New macro.
766 (relate_bbs_with_scopes): New function and prototype.
767 (make_new_scope): Likewise.
768 (build_scope_forest): Likewise.
769 (remove_scope_notes): Likewise.
770 (insert_intra_1): Likewise.
771 (insert_intra_bb_scope_notes): Likewise.
772 (insert_inter_bb_scope_notes): Likewise.
773 (rebuild_scope_notes): Likewise.
774 (free_scope_forest_1): Likewise.
775 (free_scope_forest): Likewise.
776 (dump_scope_forest): Likewise.
777 (dump_scope_forest_1): Likewise.
778 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
779 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
781 (reorder_basic_blocks): Added calls to build_scope_scope_forest
782 and remove_scope_notes before reordering is done. Added calls to
783 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
784 after reordering is done.
786 2000-40-30 Bruce Korb <bkorb@gnu.org>
788 * fixinc/inclhack.def: Added definitions needed by OSR5,
789 removed two stale entries (defined away with OLD_CPP).
790 * fixinc/inclhack.sh: regen
791 * fixinc/fixincl.x: regen
793 2000-04-30 Richard Henderson <rth@cygnus.com>
795 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
796 from the last insn in the sequence.
798 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
800 * cpplex.c (cpp_idcmp): New function.
801 * cpplib.h: Prototype it.
802 * scan_decls.c (scan_decls): Use it to inspect token names.
803 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
804 the file being run through the preprocessor.
805 (check_macro_names): Provide length of token to cpp_defined.
807 * Makefile.in: Remove stale warning message.
809 * cppfiles.c (redundant_include_p): Provide length of token to
811 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
812 values are unsigned int.
813 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
814 (_cpp_lookup_slot): Do not calculate the hash, either.
815 * cpphash.h: Update prototypes.
816 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
817 Hashes are unsigned int. Calculate hash here, pass by value
820 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
822 * simplify-rtx.c (check_value_useless): Delete function.
823 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
825 (cselib_invalidate_regno): Likewise.
826 (cselib_invalidate_mem_1): Likewise.
827 (references_value_p): Recognize useless values by the fact that they
829 (discard_useless_values): Likewise.
830 (cselib_record_set): This may turn a useless value
833 2000-04-30 Richard Henderson <rth@cygnus.com>
835 * config/d30v: New port.
837 * configure.in (d30v-*): Set fp format.
838 * configure: Rebuild.
840 2000-04-30 Richard Henderson <rth@cygnus.com>
843 * Makefile.in (OBJS): Add it.
844 (ifcvt.o): New target.
845 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
846 and conditional arithmetic.
847 (find_insert_position): Remove.
848 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
849 * toplev.c (DFI_ce, DFI_ce2): New.
850 (dump_file): Add ce and ce2 dumps.
851 (rest_of_compilation): Run if_convert a couple o times. Set
852 cse_not_expected after cse2. Don't set no_new_pseudos until
853 after sched1 or recompute_reg_usage.
855 2000-04-30 Richard Henderson <rth@cygnus.com>
857 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
858 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
860 2000-04-30 Richard Henderson <rth@cygnus.com>
862 * flow.c (struct reg_cond_life_info): New.
863 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
864 (init_propagate_block_info): Initialize them.
865 (free_propagate_block_info): Destruct them.
866 (mark_set_1): Consider conditional life before killing a register.
867 (mark_regno_cond_dead): New.
868 (free_reg_cond_life_info): New.
869 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
870 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
871 (mark_used_reg): Record conditional life.
873 * haifa-sched.c (schedule_insns): Disable death counting
874 sanity check for HAVE_conditional_execution.
876 2000-04-30 Richard Henderson <rth@cygnus.com>
878 * Makefile.in (TIMEVAR_H): New.
879 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
880 (timevar.h): Remove rule.
882 2000-04-29 Richard Henderson <rth@cygnus.com>
884 * config/alpha/crtend.asm: Use C comments instead of #.
885 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
887 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
889 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
891 * cpphash.h (enum node_type: Take out T_MCONST.
892 (union hashval): Move into struct hashnode.
893 (struct hashnode): Pack tighter. Remove file, line, col
895 * cpphash.c: Constify most of the macro-definition structures.
896 (struct definition): Replace by struct object_defn
897 and struct funct_defn. Put file, line, column information
898 here. All users updated to match.
899 (_cpp_create_definition, _cpp_macroexpand): Remove special
900 case for #define WORD OTHERWORD.
901 * cpplib.c (do_undef): Remove T_MCONST case.
903 * cpphash.h: Move struct reflist, struct definition, and the
904 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
905 union hashval. _cpp_free_definition takes a HASHNODE pointer.
906 * cpphash.c (_cpp_free_definition): Free data pointed to by
907 MCONST, XCONST, MACRO, and FMACRO nodes properly.
908 (_cpp_create_definition, del_HASHNODE): Just call
909 _cpp_free_definition to clear out a hashnode.
910 * cpplib.c (do_pragma_poison): Likewise.
912 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
914 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
915 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
916 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
917 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
918 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
919 REGNO_AM33_P): Redefine in terms of the new macros.
920 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
921 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
922 STRUCT_VALUE): Likewise.
923 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
924 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
926 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
928 * regmove.c (struct record_stack_memrefs_data): New.
929 (record_stack_memrefs): New function.
930 (combine_stack_adjustments_for_block): Use it.
932 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
934 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
935 use special_function_p to detect alloca.
937 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
939 * gcc.texi: Fixes for makeinfo 4.0 --html.
941 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
943 * pcp.h: Delete file.
945 2000-04-28 Kazu Hirata <kazu@hxi.com>
947 * h8300.c (function_epilogue): Clean up flags when the last insn
948 in a function is a barrier.
950 2000-04-28 Chris Demetriou <cgd@sibyte.com>
952 * configure.in (sparc-hal-solaris2*): protect [] glob from
954 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
955 rather than hard-coded constants in target_cpu_default2.
956 * configure: Regenerate.
958 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
960 * tree.c (get_callee_fndecl): Extract the initial value from
963 2000-04-28 Richard Henderson <rth@cygnus.com>
965 * varasm.c (record_constant_1): Record the CODE_LABEL when
966 taking the address of a LABEL_REF.
968 2000-04-28 Richard Henderson <rth@cygnus.com>
969 Jan Hubicka <jh@suse.cz>
971 * calls.c (combine_pending_stack_adjustment_and_call): Return the
972 adjustment; don't do the stack adjust.
973 (expand_call): Call compute_argument_block_size right before
974 allocating the block; update comment; don't do alignment sanity
975 checking for sibling call; use args_size instead of
976 unadjusted_args_size before args_size is adjusted. Use
977 combine_pending_stack_adjustment_and_call to compute stack adjust
978 for must_preallocate case.
980 * expr.c (push_block): Remove shadow `temp' in inner scope.
982 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
984 * toplev.c (rest_of_compilation): Call
985 note_deferral_of_defined_inline_function even if the function
988 2000-04-28 Scott Bambrough <scottb@netwinder.org>
990 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
992 2000-04-28 Richard Henderson <rth@cygnus.com>
994 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
996 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
998 * timevar.c (init_timevar): DeANSIfy function definition.
1000 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1002 * Makefile.in (timevar.o): Depend on flags.h.
1003 * timevar.c (unused_stack_instances): New variable.
1004 (timevar_push): Take a timevar_stack_def from
1005 unused_stack_instances if available.
1006 (timevar_pop): Push the popped timevar_stack_def onto
1007 unused_stack_instances.
1008 (TIMEVAR_ENABLE): New macro.
1009 (timevar_def): Make standalone a 1-bit field. Add field used.
1010 (get_time): Rename parameter to now. Return after clearing it if
1012 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
1013 (timevar_pop): Likewise.
1014 (timevar_stop): Likewise.
1015 (timevar_push): Likewise. Mark the timing variable as used.
1016 (timevar_start): Likewise.
1017 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
1018 timevars that were never used.
1020 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1022 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
1023 always TREE_READONLY.
1025 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
1027 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
1028 for call instruction with mode QImode.
1030 2000-04-27 Alex Samuel <samuel@codesourcery.com>
1032 * Makefile.in (OBJS): Add timevar.o.
1033 (toplev.o): Depend on timevar.h.
1034 (ggc-simple.o): Likewise.
1035 (ggc-page.o): Likewise.
1036 (timevar.o): New rule.
1037 (timevar.h): New rule.
1039 * timevar.h: New file.
1040 * timevar.c: Likewise.
1041 * timevar.def: Likewise.
1043 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1044 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1046 (TIMEVAR): Remove macro.
1047 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1048 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1049 flow_time, combine_time, regmove_time, sched_time,
1050 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1051 sched2_time, dbr_sched_time, reorder_blocks_time,
1052 rename_registers_time, shorten_branch_time, stack_reg_time,
1053 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1055 (compile_file): Don't initialize time variables. Call
1056 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1057 of many calls to print_time.
1058 (rest_of_compilation): Add timing for reload_cse_regs.
1059 (get_run_time): Removed to timevar.c.
1060 (print_time): Likewise.
1061 (get_run_time): Implement using TV_TOTAL time variable.
1062 (print_time): Get total run time from get_run_time.
1063 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1064 computing elapsed time explicitly.
1065 * ggc-simple.c (ggc_collect): Likewise.
1066 (gc_time): Remove declaration.
1068 2000-04-27 Mark Mitchell <mark@codesourcery.com>
1070 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1071 (expand_call): Use it.
1073 2000-04-27 Jan Hubicka <jh@suse.cz>
1075 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1078 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1080 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1083 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1085 * function.c (epilogue_done): Pass whole insn to record_insns.
1087 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1089 * cse.c (CSE_ADDRESS_COST): Remove.
1090 (find_best_addr): Add new parameter "MODE", use address_cost instead
1092 (address_cost): New.
1093 (fold_rtx): Update call of find_best_addr.
1094 * rtl.h (address_cost): Declare.
1095 * loop.c (general_induction_var): Add new parameter "MODE", use
1096 address_cost instead of ADDRESS_COST
1097 (init_loop): Use address_cost instead of ADDRESS_COST.
1098 (check_insn_for_givs): Update call of general_induction_var.
1099 (find_mem_givs): Likewise.
1100 (consec_sets_giv): Likewise.
1101 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
1102 * i386.c (ix86_address_cost): New.
1103 * i386-protos.h (ix86_address_cost): Declare.
1105 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
1107 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
1110 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
1112 * expr.c (store_expr): Use clear_storage instead of direct memset
1115 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
1117 * config/mn10300/mn10300.c (mn10300_address_cost): Test
1118 ASHIFT, AND and LABEL_REF.
1120 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
1122 * invoke.texi (-foptimize-sibling-calls): Fix.
1124 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
1126 * loop.c (load_mems) Don't use hard registers for the hoisting.
1128 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
1129 calculation; rename const_equiv array in the preconditioning code
1130 from loop_unroll to loop_unroll_precondition
1132 2000-04-27 Richard Henderson <rth@cygnus.com>
1134 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
1136 (propagate_one_insn): Clear it. Don't update reg_live here.
1137 (init_propagate_block_info): Update for pbi member changes.
1138 (free_propagate_block_info): Likewise.
1139 (mark_set_1): Know that zero_extract, sign_extract, and
1140 strict_low_part don't kill their argument. Alter hard subregs.
1141 Update new_set for non-CLOBBER sets. Update reg_live.
1142 (find_auto_inc): Update reg_live, not new_dead.
1143 (mark_used_reg): Update reg_live, not new_live. Examine new_set
1144 to determine if the reg in question was set this insn. Only update
1145 reg info with PROP_REG_INFO.
1147 2000-04-26 Richard Henderson <rth@cygnus.com>
1149 * flow.c (allocate_reg_life_data): Set max_regno here ...
1150 (life_analysis): ... not here.
1152 * flow.c (calculate_global_regs_live): Force stack pointer
1155 2000-04-26 Richard Henderson <rth@cygnus.com>
1157 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
1158 commit change group changes.
1159 (invert_exp_1): Similarly.
1160 (redirect_exp, invert_exp): Use them.
1161 (redirect_jump_1): New.
1162 (invert_jump_1): New.
1163 (jump_optimize_1): Remove code subsumed by condexec.c.
1164 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
1166 2000-04-26 Richard Henderson <rth@cygnus.com>
1168 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1170 * genconfig.c (main): Set all HAVE_foo to 1.
1172 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1174 2000-04-26 Alex Samuel <samuel@codesourcery.com>
1176 * invoke.texi: Document -fssa flag.
1178 2000-04-26 Richard Henderson <rth@cygnus.com>
1180 * flow.c (count_reg_sets_1): Remove.
1181 (count_reg_sets, count_reg_references): Remove.
1182 (recompute_reg_usage): Implement with update_life_info.
1183 Reallocate life data.
1185 2000-04-26 Richard Henderson <rth@cygnus.com>
1187 * flow.c (update_life_info): Consider blocks null to mean the
1189 (calculate_global_regs_live): Likewise.
1190 (life_analysis): Do that instead of collecting all_blocks.
1192 2000-04-26 Richard Henderson <rth@cygnus.com>
1194 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1195 a still-valid conditional jump.
1197 2000-04-26 Richard Henderson <rth@cygnus.com>
1199 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1201 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1202 * flow.c (calculate_loop_depth): Remove.
1203 * output.h (calculate_loop_depth): Don't declare.
1204 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1205 inline; run estimate_probability at the same time.
1207 2000-04-26 Neil Booth <NeilB@earthling.net>
1209 * cpplib.h: "~=" is not a single pp-token.
1210 * cpplex.c: Correct commentary.
1212 2000-04-26 Richard Henderson <rth@cygnus.com>
1214 * flow.c (mark_set_1): New arguments code and flags; update all
1215 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1216 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1217 loop_depth when optimizing for size. Do new_dead update after
1218 emitting REG_UNUSED notes. Merge mark_set_reg code.
1219 (mark_set_reg): Remove.
1220 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1221 arrange to not emit REG_UNUSED notes.
1223 2000-04-26 Richard Henderson <rth@cygnus.com>
1225 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1226 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1228 2000-04-26 Richard Henderson <rth@cygnus.com>
1230 * flow.c (propagate_one_insn): Break out from propagate_block.
1231 (init_propagate_block_info): Likewise.
1232 (free_propagate_block_info): Likewise.
1233 (propagate_block): Use them. Export.
1234 * basic-block.h: Declare them all.
1236 2000-04-26 Richard Henderson <rth@cygnus.com>
1238 * basic-block.h (life_analysis): Declare here ...
1239 * output.h: ... not here.
1240 * flow.c (life_analysis): Remove nregs parameter; replace
1241 remove_dead_code with flags. Remove ssa dead code check.
1242 Only init alias analysis if we'll use it.
1243 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1244 * ssa.c (convert_to_ssa): Likewise.
1245 (convert_from_ssa): Likewise.
1246 * toplev.c (rest_of_compilation): Likewise.
1248 2000-04-26 Richard Henderson <rth@cygnus.com>
1250 * flow.c (flow_delete_block): Rename from delete_block. Export.
1251 * basic-block.h (flow_delete_block): Declare.
1253 2000-04-26 David S. Miller <davem@redhat.com>
1255 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1256 taking a PATTERN of it.
1258 2000-04-26 <NeilB@earthling.net>
1260 * cpplex.c (spell_other, spell_char): Remove.
1262 (token_spelling, trigraph_map): Use unsigned chars.
1263 (_cpp_lex_line): Tidy up the switch statement.
1264 * cpplib.h: Implement spell_char with spell_string.
1267 2000-04-26 <RodneyBrown@pmsc.com>
1269 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1270 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1272 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1274 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1275 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1276 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1277 dwarf2out_return_save, dwarf2out_return_reg,
1278 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1279 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1280 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1282 * dwarf2out.h (dwarf2out_init): Likewise.
1284 * dwarfout.c (filename_entry, primary_filename, last_filename,
1285 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1287 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1288 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1289 dwarf2out_return_reg): Likewise.
1291 2000-04-26 Andreas Jaeger <aj@suse.de>
1293 * extend.texi (Function Attributes): Fix description of pure
1296 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1298 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1299 before calling rest_of_compilation.
1301 2000-04-26 Andreas Jaeger <aj@suse.de>
1303 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1306 2000-04-25 Richard Henderson <rth@cygnus.com>
1308 * cse.c (cse_insn): Emit barrier after unconditional jump.
1310 * calls.c (expand_call): Disable tail call generation once
1311 rtx_equal_function_value_matters is false.
1313 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1316 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1318 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1320 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1322 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1323 is the primary DIE for a member function.
1324 (gen_decl_die): Call set_decl_origin_self here.
1325 * dwarfout.c (output_decl): And here.
1326 * integrate.c (output_inline_function): Not here.
1327 Don't clear DECL_INLINE until after calling rest_of_compilation.
1328 (set_decl_origin_self): No longer static.
1329 * tree.h: Add prototype.
1330 * toplev.c (note_deferral_of_defined_inline_function): Only write
1331 out abstract instance for actual inlines.
1333 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1335 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1336 EXTENDED_REGS only if TARGET_AM33.
1337 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1338 SP_REGS to register allocation and reloading unless absolutely
1340 (movsi3): Remove special-case of adding non-constants to SP.
1342 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1344 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1345 INCLUDES to search and does not provide any of its own. Also it
1346 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1347 parameters. Also it does not call AC_DEFINE.
1348 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1349 AC_DEFINE and provides for automatic entries for autoheader.
1350 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1352 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1353 so we can pass -I flags and include gansidecl.h/system.h in this
1356 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1358 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1360 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1361 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1362 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1364 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1365 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1366 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1367 for these macros. Clean up spacing and linewraps.
1369 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1371 * calls.c (expand_call): Use get_callee_fndecl.
1373 * print-tree.c (print_node): Print the chain of an _EXPR.
1375 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1376 Jim Wilson <wilson@cygnus.com>
1377 Andrew Haley <aph@cygnus.com>
1379 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1380 and gp save/restore problems.
1381 * config/ia64/crtend.asm: Add IA-64 unwind support.
1382 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1383 in fr_pad_size calculation.
1384 (save_restore_insns): Move PR save area. Correct uses of
1385 RTX_FRAME_RELATED_P.
1386 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1387 (ia64_expand_epilogue): Add eh_epilogue support.
1388 (ia64_function_prologue): Emit .prologue directive.
1389 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1390 (ia64_override_options): Set init_machine_status and
1391 mark_machine_status.
1392 (rtx_needs_barrier): Handle bsp reads and writes.
1393 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1394 New static variables.
1395 (process_set, process_for_unwind_directive): New functions.
1396 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1397 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1398 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1400 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1401 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1402 (struct machine_function): Define.
1403 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1405 2000-04-25 Bruce Korb <bkorb@gnu.org>
1407 * fixinc/Makefile.in: make the removal of old programs more
1409 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1410 install-bin and install-sh
1412 2000-04-25 Nick Clifton <nickc@cygnus.com>
1414 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1415 defined, define to return zero.
1416 (function_cannot_inline_p): If a function has any target
1417 specific attributes, then use the macro
1418 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1419 whether it can be inlined. If it cannot, issue a suitable
1422 * tm.texi: Add a new node 'Inlining' to document the new macro
1423 FUNCTION_ATTRIBUTE_INLINABLE_P.
1425 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1427 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1430 2000-04-25 Neil Booth <NeilB@earthling.net>
1432 Restore previous patch, plus the following fixes:
1434 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1435 flags, not CPP_OPEN_PAREN.
1436 * cpplex.c (expand_token_space, init_token_list,
1437 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1438 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1440 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1442 * config/i386/freebsd.h (INT_ASM_OP): Define.
1444 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1446 * loop.c (strength_reduce): Fix typo in the last checkin.
1448 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1450 * stor-layout.c (finalize_record_size): Simplify to use existing
1452 (compute_record_mode): No longer static.
1453 * tree.h (compute_record_mode): New declaration.
1455 2000-04-25 Neil Booth <NeilB@earthling.net>
1457 * Revert my patch below until cause of build failures
1460 2000-04-25 Richard Henderson <rth@cygnus.com>
1462 * combine.c (combine_instructions): Add missing argument
1465 * toplev.c (rest_of_compilation): Delay sibcall optimization
1466 until after emit_eh_context.
1468 2000-04-24 Nick Clifton <nickc@redhat.com>
1470 * combine.c (combine_instructions): Do not try to combine a
1471 sequence of insns when the second insn has been replaced by a
1474 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1476 * gcc.c (load_specs): New static function.
1477 (read_specs): Use it.
1479 * gcc.c (lookup_compiler): Make multiple passes for case
1480 insensitive filesystems.
1482 2000-04-24 Neil Booth <NeilB@earthling.net>
1484 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1485 * cpphash.h (_cpp_check_directive): new.
1486 * cpplex.c (handle_newline, cpp_free_token_list,
1487 init_trigraph_map, trigraph_ok, trigraph_replace,
1488 backslash_start, skip_block_comment, skip_line_comment,
1489 skip_whitespace, parse_name, parse_number, parse_string,
1490 copy_comment, _cpp_lex_line, spell_char, spell_string,
1491 spell_comment, spell_name, spell_other, _cpp_lex_file,
1492 _cpp_output_list): new.
1493 (expand_name_space): take length argument.
1494 (init_token_list): add comment list initialisation.
1495 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1496 instead of HSPACE_BEFORE.
1498 * cpplib.c (_cpp_check_directive): new
1499 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1500 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1501 (HSPACE_BEFORE): delete.
1502 (TTYPE_TABLE): rearrange.
1503 (struct cpp_toklist): update.
1505 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1507 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1508 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1509 argument form of AC_DEFINE.
1511 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1512 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1513 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1514 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1515 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1517 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1519 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1522 deduced.h): Use -isystem, not -I, for including system headers.
1524 2000-04-24 Nick Clifton <nickc@cygnus.com>
1526 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1527 the source register is the frame pointer or arg pointer.
1528 (addsi3_small_int): Disallow if source register is the frame
1529 pointer or arg pointer.
1531 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1533 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1534 call to AC_MSG_RESULT.
1536 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1538 * invoke.texi: Correct grammatical errors, document
1539 -fno-gnu-keywords as identical to -fno-asm for C++.
1541 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1544 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1545 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1546 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1547 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1549 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1550 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1551 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1552 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1555 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1557 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1558 (pop_alignment): Likewise.
1559 (handle_pragma_token): Likewise.
1561 2000-04-24 Robert Lipe <robertlipe@usa.net>
1563 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1565 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1567 * combine.c (try_combine): Update reg_nonzero_bits of
1568 newi2pat before newpat.
1570 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1572 * loop.c (strength_reduce): Simplify test to INSN_P.
1573 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1574 expressions instead of CONST_INT.
1575 (express_from_1): Likewise.
1577 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1579 * regs.h (reg_n_max): Don't declare.
1580 * flow.c (reg_n_max): Don't define.
1581 * regclass.c (renumber): Don't initialize to zero.
1582 (regno_allocated): Likewise.
1583 (reg_n_max): Define.
1584 (allocate_reg_info): Don't initialize unnecessarily.
1586 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1588 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1589 and blockage_p in the newly allocated attribute.
1591 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1593 * config/mn10300/mn10300.md (addsi): `inc4' on address
1594 registers does not modify cc, but `inc' on an extended
1597 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1599 * reload.c (find_equiv_reg): Checks all valueno regs
1600 as a reload_reg_p regs.
1602 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1604 * cpphash.c (collect_objlike_expansion): Add sanity check.
1605 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1606 the buffer is the empty string, return. Mark __DATE__ and
1607 __TIME__ as XCONST nodes, not MCONST.
1608 (_cpp_macroexpand): Avoid pushing an empty buffer.
1609 (funlike_macroexpand): Don't pop token_buffer here.
1611 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1613 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1614 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1615 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1616 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1617 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1618 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1619 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1621 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1623 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1626 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1628 * cpphash.h (struct definition): Move file, line, col members...
1629 (struct hashnode): ... here. Also add 'disabled' flag.
1630 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1631 T_IDENTITY. Remove T_DISABLED.
1634 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1635 (collect_expansion): Split into collect_objlike_expansion and
1636 collect_funlike_expansion.
1637 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1638 funlike_macroexpand.
1639 (_cpp_compare_defs): Rename compare_defs, make static.
1640 (_cpp_make_hashnode): Initialize hp->disabled.
1641 (macro_cleanup): Adjust for new token types. Clear
1643 (_cpp_create_definition): Move code here to determine what
1644 sort of macro it is, and code to check for redefinitions, from
1645 do_define. Implement a few simple cases without creating a
1647 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1648 Handle the simple cases.
1649 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1652 * cppinit.c (builtin_array): Change MCONST to XCONST
1654 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1655 fix check for disabled and function-like macros.
1656 * cpplib.c (do_define): Move most logic to
1657 _cpp_create_definition.
1658 (do_undef): Handle new special token types.
1660 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1662 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1663 of CONSTANT_P for mult_val; always use validate_change to update insn.
1665 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1667 * cpphash.c (trad_stringify, add_pat): New functions.
1668 (collect_expansion): Restore support for -traditional syntax.
1669 Use trad_stringify and add_pat.
1670 (_cpp_macroexpand): Restore support for -traditional semantics.
1671 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1672 get a COMMENT token.
1673 (_cpp_lex_token): Provide COMMENT tokens to caller if
1674 traditional and parsing_define_directive.
1675 (skip_comment): Warn about // comments if -Wtraditional.
1676 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1678 (do_undef): Don't warn about undefining EMPTY nodes.
1680 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1682 * loop.c (strength_reduce): Fix biv removal code.
1684 2000-04-22 Richard Henderson <rth@cygnus.com>
1686 * predict.c (estimate_probability): Examine both sides of
1687 a branch for no exits. Use 90% not 50% for predict taken.
1688 Reorg for one copy of note generation code.
1690 2000-04-22 Richard Henderson <rth@cygnus.com>
1692 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1694 2000-04-22 Richard Henderson <rth@cygnus.com>
1696 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1697 (output_clear): Likewise.
1698 (output_printf): Use va_copy.
1699 (vline_wrapper_message_with_location): Likewise.
1700 (v_message_with_decl): Likewise.
1701 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1702 * system.h (va_copy): Provide default implementation.
1704 2000-04-22 Richard Henderson <rth@cygnus.com>
1706 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1707 the collected condition is not a constant.
1709 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1711 * diagnostic.h: New file.
1713 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1715 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1716 various function prototypes.
1717 (diagnostic.h): #include.
1718 (struct output_buffer): Move into diagnostic.h.
1719 (get_output_prefix): Rename to output_get_prefix. Export.
1720 (init_output_buffer): Export. Break out. Ajust intialization.
1721 (output_space_left, output_append): Export.
1722 (output_newline): Rename to output_add_newline. Export.
1723 (output_clear): Nullify additional output_buffer fields.
1724 (output_puts): Rename to output_add_string. Export.
1725 (dump_output): Rename to output_flush_on. Export.
1726 (build_location_prefix): Constify return-type.
1727 (emit_output_prefix): Rename to output_emit_prefix. Export.
1728 (set_real_maximum_length): New function.
1729 (output_set_maximum_length): Ditto
1730 (output_clear): Ditto.
1731 (output_add_character): Ditto.
1732 (output_add_integer): Ditto.
1733 (output_add_space): Ditto.
1734 (output_format): Ditto.
1735 (output_printf): Adjust buffer initialization.
1736 (vline_wrapper_message_with_location): Ditto.
1737 (v_message_with_decl): Ditto. Adjust call to output_puts
1738 and get_output_prefix.
1739 (default_print_error_function): Adjust buffer intialization.
1741 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1743 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1746 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1748 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1751 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1753 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1754 accurate data about SP moves.
1756 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1758 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1759 aliases to AM33 registers.
1761 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1763 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1764 to all EXTENDED bitmaps.
1766 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1768 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1769 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1770 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1772 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1774 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1775 the operand is not constant.
1777 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1779 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1780 as a call-clobbered regs.
1782 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1784 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1786 * rtl.def: Update comment.
1787 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1788 * integrate.c (expand_inline_function): Likewise.
1789 * profile.c (branch_prob): Likewise.
1790 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1791 * print-rtl.c (print_rtx): Likewise.
1792 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1793 (reemit_notes): Likewise; also use enum insn_note.
1795 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1796 (place_field): Properly compute know and actual alignment.
1798 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1801 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1804 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1806 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1807 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1808 (collect_expansion): Rewrite to scan over a token list.
1809 Remove -traditional support.
1810 (collect_formal_parameters): Rename to collect_params; rewrite
1811 to scan over a token list.
1812 (_cpp_create_definition): Adjust to scan a token list.
1813 (_cpp_macroexpand): Remove -traditional support.
1814 (_cpp_compare_defs): Whitespace is now canonicalized.
1815 (comp_def_part): Delete function.
1817 * cpphash.h: Update prototypes.
1818 * cpplex.c (init_token_list): Don't set lineno if there is no
1820 (pedantic_whitespace): New function.
1821 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1822 consume a newline. Use pedantic_whitespace.
1823 (_cpp_lex_token): Remove support for -traditional macros.
1824 (_cpp_get_define_token): Delete.
1825 (_cpp_get_directive_token): Do the real work here. Use
1826 pedantic_whitespace.
1827 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1829 * cpplib.c (get_macro_name): Delete.
1830 (do_define): Read the entire line into pfile->directbuf, then
1831 feed the token list to _cpp_create_definition.
1832 * cpplib.h (HSPACE_BEFORE): new define.
1833 (struct cpp_reader): Add a toklist member, "directbuf".
1835 * predict.c (estimate_probability): New heuristic: if a jump
1836 branches around a block with no successors, predict it taken.
1837 Disentangle control flow.
1839 2000-04-20 Richard Henderson <rth@cygnus.com>
1841 * loop.c (emit_iv_add_mult): Revert last change.
1843 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1845 * cpplib.h (enum cpp_ttype): Add token types for all
1846 punctuators. Distinguish pp-numbers from valid C numbers.
1847 Give some tokens better names. Initialize from macro.
1848 (struct cpp_name, cpp_token, cpp_toklist): New data
1851 * cpplex.c (bump_column, expand_name_space,
1852 expand_token_space, init_token_list, cpp_output_list,
1853 _cpp_scan_line): New functions.
1854 (output_line_command): Add third argument, new line number.
1855 * cpphash.h: Update prototypes.
1856 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1859 2000-04-20 Richard Henderson <rth@cygnus.com>
1861 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1863 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1865 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1868 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1870 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1871 REG_EQUAL note explaining the calculated value.
1873 * calls.c (expand_call): Avoid unnecesary precalculation
1874 and outgoing parameters space guarding for sibling calls.
1875 (store_one_arg): Likewise.
1877 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1879 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1880 (rest_of_compilation): Write sibling dump file and account
1881 for time as jump time.
1882 * invoke.texi: Update documentation on dump flags.
1884 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1886 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1888 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1890 * cpphash.c (special_symbol): Represent an empty macro with
1891 "\r \r " not just "\r ".
1892 (_cpp_macroexpand): Correct condition for the foo ( ) special
1894 (unsafe_chars): Handle EOF as second argument.
1895 (push_macro_expansion): Simplify test for removing escape at
1896 end. Do not trim both escapes if there is no text in between.
1898 2000-04-19 Jim Blandy <jimb@redhat.com>
1900 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1901 of PTR_SIZE, when appropriate.
1903 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1905 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1906 (USE_ENUM_BITFIELDS): Fix typo.
1908 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1910 * stor-layout.c (place_field): Set rli->offset_align properly.
1912 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1914 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1915 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1916 PARM_BOUNDARY): Remove unnecessary casts.
1918 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1920 * calls.c (precompute_arguments): Remove must_preallocate and
1922 (expand_call): Update call of precompute_arguments.
1924 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1925 check_insn_for_givs): Break out from ...
1926 (strength_reduce) ... here; use for_every_insn_in_loop to call
1927 check_insn_for_givs.
1928 * loop.h (for_every_insn_in_loop): Declare.
1929 (loop_insn_callback): New type.
1931 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1933 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1936 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1938 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1941 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1943 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1945 * configure.in: Delete --disable-cpplib option and all
1946 references to cpp_main.
1947 * configure: Regenerate.
1948 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1949 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1950 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1951 cpp$(exeext). Add --no-headers to makeinfo command line when
1952 generating INSTALL. Install and uninstall cpp.1 manpage, not
1954 * install.texi: Delete all references to cexp.y/cexp.c.
1955 Delete ancient instructions for compiling GCC on 3b1.
1956 * INSTALL: Regenerate.
1958 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1959 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1960 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1962 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1963 which is no longer tested anywhere.
1965 * cppinit.c (handle_option): Don't run error message through
1968 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1970 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1971 * cpperror.c (hashtab.h): Now include.
1972 * cppexp.c (hashtab.h): Likewise.
1973 * cpplex.c (hashtab.h): Likewise.
1974 * cppfiles.c (hashtab.h): Likewise.
1975 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1976 to htab_find_slot_with_hash.
1977 * cpphash.c (hashtab.h): Now include.
1978 (_cpp_lookup_slot): INSERT is now enum insert_option.
1979 * cpphash.h (_cpp_lookup_slot): Likewise.
1980 * cppinit.c (hashtab.h): Include earlier.
1981 (initialize_builtins): Pass enum to htab_find_slot.
1982 * cpplib.c (hashtab.h): Now include.
1983 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1984 (do_pragma_poison, do_assert): Likewise.
1985 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1986 htab_find_slot_with_hash.
1987 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1988 * tree.c (type_hash_add): Likewise.
1989 (build1): Minor cleanup.
1991 * ggc-common.c: Add missing blanks.
1992 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1993 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1995 * stmt.c (mark_case_node): New function.
1996 (mark_case_nesting): Call it.
1998 * expmed.c (emit_store_flag): If comparing two-word integer
1999 with zero, can optimize NE, EQ, GE, and LT.
2001 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
2002 * conflict.c: Minor cleanups.
2003 * optabs.c: Add blank line
2004 * simplify-rtx.c: Minor cleanups.
2006 2000-04-18 Stan Cox <scox@cygnus.com>
2008 * gengenrtl.c (genlegend): Fix misspelling.
2010 2000-04-18 Robert Lipe <robertlipe@usa.net>
2012 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
2013 bitfields of the host compiler are not signed quantities.
2014 * config.in: Regenerate.
2015 * configure: Regenerate.
2016 * system.h (USE_ENUM_BITFIELDS): Added.
2017 (ENUM_BITFIELDS): Added.
2018 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
2019 (SHORT_ENUM_BUG): Deleted.
2020 * tree.h (tree_common): Members `code', `mode', `built_in_class',
2022 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
2023 (CODE_FIELD_BUG): Likewise.
2024 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
2026 * config/m68k/x-ccur (X_CFLAGS): Likewise.
2028 2000-04-18 Mark Mitchell <mark@codesourcery.com>
2030 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
2033 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2035 * cppexp.c (lex): Don't assume tokens are NUL terminated.
2036 * cpplib.c (do_include, do_import, do_include_next,
2037 read_line_number, detect_if_not_defined): Likewise.
2038 * cpphash.c (collect_expansion): Likewise.
2039 (special_symbol, _cpp_macroexpand): Check return from
2041 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
2042 macros. Delete all uses.
2044 * gcc.dg/cpp-mi.c: Add two more test cases.
2045 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
2047 2000-04-17 Richard Henderson <rth@cygnus.com>
2049 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
2050 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
2052 2000-04-17 Mark Mitchell <mark@codesourcery.com>
2054 * function.c (expand_function_start): Use hard_function_value to
2055 compute the RTL to use for DECL_RESULT.
2057 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2059 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
2060 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2061 x86_memory_mismatch_stall): New global variables.
2062 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
2063 alloved; fix load penalties for Athlon.
2064 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
2065 x86_memory_mismatch_stall): Declare.
2066 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
2067 TARGET_MEMORY_MISMATCH_STALL): New.
2068 * i386.md (athlon scheduling parameters): Fix latencies according to
2069 Athlon Optimization Manual.
2070 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
2072 (fsqrt instruction patterns): Set athlon_decode to direct.
2073 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
2074 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
2075 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
2076 and TARGET_PARTIAL_REGISTER_STALL machines.
2077 (pushdf_nointeger): New pattern.
2078 (pushdf_integer): Rename from pushdf.
2079 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
2080 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
2082 2000-04-17 Richard Henderson <rth@cygnus.com>
2084 * loop.c (canonicalize_condition): Add WANT_REG argument.
2085 Stop the search if we match it.
2086 * expr.h (canonicalize_condition): Update decl.
2087 * predict.c (expected_value_to_br_prob): Use it. Track last
2088 expected value note.
2089 (find_expected_value): Remove.
2091 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
2093 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
2095 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
2096 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
2098 * configure.in: Call AC_FUNC_MMAP_FILE.
2099 * configure: Regenerate.
2100 * config.in: Regenerate.
2102 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
2103 * fixinc/fixincl.c: Likewise.
2105 2000-04-17 Richard Henderson <rth@cygnus.com>
2107 * builtins.c (expand_builtin_expect): New.
2108 (expand_builtin): Call it.
2109 * builtins.def (BUILT_IN_EXPECT): New.
2110 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
2111 * extend.texi: Document it.
2113 * predict.c (expected_value_to_br_prob): New.
2114 (find_expected_value): New.
2115 * basic-block.h (expected_value_to_br_prob): Declare.
2116 * toplev.c (rest_of_compilation): Invoke it.
2118 * rtl.h (NOTE_EXPECTED_VALUE): New.
2119 (NOTE_INSN_EXPECTED_VALUE): New.
2120 * rtl.c (note_insn_name): Update.
2121 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
2122 cases; handle NOTE_INSN_EXPECTED_VALUE.
2124 2000-04-17 Jakub Jelinek <jakub@redhat.com>
2126 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
2127 leaf sibcall delay slot if flag_pic.
2128 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
2130 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2132 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
2134 * fixproto: If fix-header fails, exit with an error.
2136 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2138 * cse.c (struct check_depdendence_data): New.
2139 (check_dependence): New function.
2140 (invalidate): Use check_depdenence.
2142 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2144 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
2145 UNITS_PER_WORD is unsigned.
2147 * tree.h (struct tree_common): Remove misleading comment.
2149 2000-04-16 Dave Pitts <dpitts@cozx.com>
2151 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
2152 message in quotes. Otherwise, IBM's make program treats the '#' as the
2153 start of a comment and ignores the remainder of the line.
2155 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
2157 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
2158 * cexp.y (initialize_random_junk): Likewise.
2159 * cppfiles.c (find_include_file): Cast alloca return value.
2160 * cppinit.c (initialize_standard_includes): Likewise.
2161 * cpplib.c (cpp_define, cpp_undef): Likewise.
2162 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
2163 * final.c (output_asm_insn): Allow for holes in EBCDIC.
2164 * fold-const.c (CHARMASK): New.
2165 (real_hex_to_f): Use it.
2166 * real.c (CHARMASK): New.
2167 (etoasc, asctoeg): Use it.
2168 (asctoeg): EBCDIC lower case characters preceed upper case.
2170 * i370.c (mvs_add_label): Change spacing for coding conventions.
2171 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
2172 outputing case vectors.
2173 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
2174 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
2175 since vector in in the data CSECT.
2176 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
2177 * i370.md (Many patterns): Put the length in the XL directives.
2178 (movdi): Put back STM and MVC in definition.
2179 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
2180 pattern using the TCA.
2181 * oe.h (CPP_SPEC): Added to allow trigraphs.
2182 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
2183 not support the "long long" type.
2185 2000-04-16 Mark Mitchell <mark@codesourcery.com>
2187 * config/mips/mips-protos.h (mips_legitimate_address_p): New
2189 (mips_reg_mode_ok_for_base_p): Likewise.
2190 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
2191 (REG_OK_FOR_INDEX_P): Define unconditionally.
2192 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
2193 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
2194 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
2195 that GET_MODE_SIZE is unsigned.
2196 (mips_reg_mode_ok_for_base_p): Define.
2197 (mips_legitimate_address_p): Likewise. Adjust now
2198 that GET_MODE_SIZE is unsigned.
2199 (block_move_loop): Make the number of bytes unsigned.
2200 (expand_block_move): Likewise.
2201 (function_arg): Make the loop counter unsigned to match the
2204 2000-04-16 Richard Henderson <rth@cygnus.com>
2206 * rtl.h (enum insn_note): New enumeration. Subsume
2207 NOTE_INSN_DELETED and friends.
2208 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
2209 * rtl.c (note_insn_name): Tweak string order.
2211 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
2213 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
2216 * cpplex.c (output_line_command): Remove debugging prints.
2217 (cpp_output_tokens): Don't write out a zero-length buffer or
2218 try to see if it has a newline in it.
2219 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
2220 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
2221 the end of the loop. Use memmove. Don't read past the end of
2222 the buffer. Remove trailing newlines from error messages.
2224 2004-04-16 Neil Booth <NeilB@earthling.net>
2226 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2227 * cpplib.c: Add new syntax flags to directive table, and
2230 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2232 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2235 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2237 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2238 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2240 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2242 * Makefile.in (ggc-page.o): Now includes toplev.h.
2243 * ggc-page.c (toplev.h): Now included.
2244 (gc_time): Remove declaration.
2245 (ggc_collect): TIME now long.
2246 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2248 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2250 * toplev.c: Make *_time variable long to reduce chance of overflow.
2251 (TIMEVAR): Likewise for `otime'.
2252 (print_time): Arg is now long; compute percentage in FP and round.
2253 * toplev.h (print_time): Arg is long.
2255 * tree.c: Minor whitespace changes.
2257 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2258 * configure: Rebuilt.
2259 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2260 (__fixunsxfDI): Renamed from __fixunsxfdi.
2261 (__fixunsdfDI): Renamed from __fixunsdfdi.
2262 (__fixunssfDI): Renamed from __fixunssfdi.
2263 (__floatdisf): Use proper type in REP_BIT macro.
2264 (__fixunsxfSI): Renamed from __fixunsxfsi.
2265 (__fixunsdfSI): Renamed from __fixunsdfsi.
2266 (__fixunssfSI): Renamed from __fixunssfsi.
2267 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2268 Change location of macros and upper-case some names as above.
2269 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2270 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2272 * varasm.c (assemble_variable): Add cast to remove warning.
2273 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2275 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2276 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2277 region number to -1.
2279 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2281 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2282 call unshare_all_rtl.
2284 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2286 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2288 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2289 Use .s1 not .s0 for all FP instructions.
2291 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2293 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2295 (safe_fwrite, output_line_command): New static functions.
2296 (cpp_expand_to_buffer): Now private to cpplib.
2297 (cpp_scan_buffer): Take a printer.
2299 * cpphash.h: Update prototypes.
2300 * cpplib.h: Update prototypes.
2302 (cpp_buffer): Remove last_nominal_fname.
2303 (cpp_reader): Remove lineno.
2305 * cppmain.c: Use a cpp_printer.
2306 * fix-header.c: No need to inhibit line commands. Call
2307 cpp_start_read with no printer.
2309 * cpperror.c (cpp_notice_from_errno): Provide default name.
2310 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2311 (find_include_file, cpp_read_file): Use make_IHASH.
2312 (file_cleanup): Set control_macro and clear
2313 input_stack_listing_current here.
2314 (_cpp_execute_include): Don't output entering-file marker.
2315 * cpphash.c (special_symbol): Look for the line number in the
2316 buffer, not the reader.
2317 (_cpp_macroexpand): No need to disable line commands.
2318 (_cpp_dump_definition): No need to generate line commands.
2319 (dump_hash_helper): Remove excess newline from output.
2320 * cppinit.c (dump_special_to_buffer): No need to generate line
2322 (cpp_printer_init): New.
2323 (cpp_start_read): Take a printer, and start it up if it's not
2324 NULL. No need to generate line commands.
2325 (cpp_finish): Expect no buffers stacked at all. Take a
2326 printer argument, and flush the output buffer if it's not
2328 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2329 Don't put two hashes at the beginning of an assertion.
2330 (cpp_get_token): Don't increment pfile->lineno or emit line
2331 commands here. Return EOF if there's no buffer when we get
2333 * cpplib.c (do_define, skip_if_group):
2334 No need to disable line commands.
2335 (_cpp_output_line_command): Delete function.
2336 (do_line): Don't emit line commands here, but set things up so
2337 they will be emitted if necessary. Use _cpp_fake_ihash to
2338 make unique nominal_fnames if necessary.
2339 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2340 with 0 for column, not -1.
2341 (_cpp_handle_eof): Don't set the control macro here. Don't
2342 clear input_stack_listing_current here. Don't emit line
2345 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2347 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2348 always, use the default SVR4 start address.
2350 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2351 (LINK_SHLIB_SPEC): Define.
2352 (LINK_START_DEFAULT_SPEC): Define.
2353 (LINK_OS_DEFAULT_SPEC): Define.
2355 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2357 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2358 __do_global_ctors to handle constructors.
2359 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2360 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2361 (STARTFILE_MVME_SPEC): Likewise.
2362 (STARTFILE_SIM_SPEC): Likewise.
2363 (ENDFILE_ADS_SPEC): Use crtend.
2364 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2365 (ENDFILE_MVME_SPEC): Likewise.
2366 (ENDFILE_SIM_SPEC): Likewise.
2367 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2368 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2369 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2370 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2371 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2372 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2373 (CRTSTUFF_T_CFLAGS_S): Define.
2374 * config/rs6000/eabi-ctors.c: Delete.
2376 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2379 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2383 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2385 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2386 plus mask size is smaller or equal to the mode size.
2388 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2390 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2393 * expr.c (reload.h): Now included.
2394 (emit_block_move): Set volatile_ok when checking for movstr.
2395 (emit_move_1): Check for replacements in addresses in multi-word case.
2396 * Makefile.in (expr.o): Now includes reload.h.
2398 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2399 Never have a LIBCALL end a basic block.
2400 (find_basic_blocks_1): Likewise.
2401 Reorganize CALL_INSN cases.
2403 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2405 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2407 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2408 completers from mov.ret instruction.
2410 2000-04-14 Richard Henderson <rth@cygnus.com>
2412 * fold-const.c (extract_muldiv): Don't distribute and widen
2413 multiply across plus for non-sizetype unsigned types.
2415 2000-04-14 Richard Henderson <rth@cygnus.com>
2417 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2418 If the original source is dead in the incr insn, it's dead now.
2420 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2422 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2423 see if DECL_BIT_FIELD needs to still be set.
2425 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2427 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2428 print_int_cst_octal with something that's not an INTEGER_CST.
2430 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2431 and not a SUBREG to a FLOAT rtl.
2433 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2435 * emit-rtl.c (try_split): Avoid infinite loop if the split
2436 results in a sequence that contains the original insn.
2438 2000-04-13 Andreas Jaeger <aj@suse.de>
2440 * config/mips/mips.c (expand_block_move): Pass alignment
2441 argument to move_by_pieces in bits, not bytes.
2443 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2444 __pic__ for little endian.
2446 2000-04-13 Andreas Jaeger <aj@suse.de>
2448 * config/i386/i386-protos.h: Add prototype for
2449 uno_comparison_operator.
2451 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2453 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2454 * calls.c (ECF_PURE): New flag.
2455 (emit_call_1): Handle ECF_PURE calls.
2456 (initialize_argument_information): Unset ECF_PURE flag too.
2457 (precompute_arguments): Precompute for ECF_PURE too.
2458 (expand_call): Handle ECF_PURE calls too.
2459 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2460 accept value of 2 as pure function.
2461 (emit_library_call_value, emit_library_call): Rename no_queue argument
2463 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2465 * tree.h (DECL_IS_PURE): New macro.
2466 (struct tree_decl): Add pure_flag.
2467 * c-common.c (enum attrs): Add attribute "pure".
2468 (init_attributes): Initialize attribute "pure"
2469 (decl_attributes): Handle attribute "pure".
2470 * extend.texi (Attribute "pure"): Document.
2471 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2473 (flags_from_decl_or_type): Support attribute "pure".
2475 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2477 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2478 the token except for numbers and identifiers.
2480 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2482 * i386.c (ix86_expand_binary_operator,
2483 ix86_expand_unary_operator): Check no_new_pseudos
2484 instead of reload_in_progress and reload_completed.
2485 (ix86_split_ashldi, ix86_split_ashrdi,
2486 ix86_split_lshrdi): Check no_new_pseudos instead
2487 of reload_completed.
2489 2000-04-12 Jeffrey A Law (law@cygnus.com)
2491 * function.c (purge_addressof): Unshare any shared rtl created by
2492 purge_addressof and its children.
2494 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2496 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2499 2000-04-05 Andreas Jaeger <aj@suse.de>
2501 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2502 not compiling PIC code, add flags for mabi=64.
2503 (SUBTARGET_CPP_SIZE_SPEC): New.
2504 (SUBTARGET_CPP_SPEC): New.
2505 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2506 for MIPS/Linux and lots of code needs these defines.
2508 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2510 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2511 trying the "opposite arithmetic" approach.
2513 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2515 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2516 (struct sh_args): Add new field force_mem.
2517 (INIT_CUMULATIVE_ARGS): Initialize it.
2518 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2520 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2522 * calls.c (expand_call): Do not reverse args in "equal from" field.
2523 (emit_library_call_value_1): Emit_libcall_block for const and pure
2526 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2528 * reload1.c (reload_combine): Don't enable optimization for fixed
2529 registers when encountering a BARRIER.
2531 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2533 * builtins.c (expand_builtin_memcmp): Do expansion even with
2534 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2536 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2537 stack is propertly aligned; add sanity checking for aligned
2539 (expand_library_call_value_1): Add sanity checking for aligned
2542 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2544 * calls.c (emit_library_call_value_1): Change 3rd arg to
2545 locate_and_pad_parm to disregard the setting of partial.
2547 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2549 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2551 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2552 CALL_INSN from the normal case.
2554 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2556 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2557 New global variables.
2558 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2560 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2562 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2563 TARGET_ADD_ESP_8): New macros.
2564 * i386.md: Add peep2s to convert esp adjustments to push and pop
2566 (pushsi_prologue, popsi_epilogue): New patterns.
2568 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2570 * real.c (toe64): Remove stale #endif from the last change.
2572 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2574 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2575 * real.c (toe64): Revert previous change.
2577 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2579 * objc/objc-act.c: Include ggc.h.
2580 (objc_tree_index, objc_global_trees): Convert most of the
2581 static tree variables into a static array with previous names
2583 (objc_ellipsis_node): New variable.
2584 (lang_init): Call objc_act_parse_init and c_parse_init.
2585 Create objc_ellipsis_node.
2586 (build_selector_translation_table): Use objc_ellipsis_node instead
2588 (hack_method_prototype): Likewise.
2589 (get_arg_type_list): Likewise.
2590 (start_method_def): Likewise.
2591 (continue_method_def): Likewise.
2592 (gen_method_decl): Likewise.
2593 (ggc_mark_imp_list): New function.
2594 (ggc_mark_hash_table): New function.
2595 (objc_act_parse_init): New function.
2596 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2597 * c-parse.in (c_parse_init): For objc add roots of objc specific
2598 local tree variables.
2599 * objc/objc-parse.y: Rebuilt.
2600 * objc/objc-parse.c: Rebuilt.
2601 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2603 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2605 * cse.c (delete_trivially_dead_insns): Also delete insns
2606 that copy a register to itself where the destination is
2609 2000-04-11 Richard Henderson <rth@cygnus.com>
2611 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2612 (propagate_block): Initialize them. Use them in parallel instead
2613 of one tmp variable, ie revert much of the 0408 and 0407 functional
2614 changes, but keep the structural changes.
2615 (mark_set_regs): Take new_dead from propagate_block_info instead.
2616 (mark_set_1, mark_set_reg): Likewise.
2617 (mark_used_regs): Likewise with new_live.
2618 (mark_used_reg): Likewise. Revert 0408 change.
2620 2000-04-11 Nick Clifton <nickc@cygnus.com>
2622 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2624 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2626 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2628 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2629 const section to output a CONSTRUCTOR based on the same conditions
2632 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2634 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2635 * pa/pa-protos.h (output_call): Add additional argument indicating
2636 if the call is a sibling/tail call.
2637 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2638 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2639 (function_arg, function_arg_partial_nregs): Likewise
2640 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2641 (emit_move_sequence): Zero extend certain constants as needed
2643 (compute_zdepdi_operands, output_64bit_and): New functions.
2644 (output_64bit_ior, function_arg): Likewise.
2645 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2646 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2647 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2648 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2649 (output_bvb): Likewise.
2650 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2651 (output_call): New argument 'sibcall'. Generate sibcall sequences
2653 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2654 (ouput_arg_descriptor): Do not emit argument descriptors for
2656 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2658 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2659 (FUNCTION_OK_FOR_SIBALL): Define.
2660 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2661 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2662 (CPP_SPEC): Use new spec infrastructure.
2663 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2664 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2665 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2666 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2667 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2668 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2669 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2670 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2671 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2672 (FUNCTION_ARG); Call out to C code.
2673 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2674 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2675 (MIN_UNITS_PER_WORD): Likewise.
2676 * pa/pa.md (cmpdi): New expander.
2677 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2678 (64bit conditional arithmetic): New patterns.
2679 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2680 (movsicc): Not available if modes on all the operands to not match.
2681 (movdicc): New expander and associated patterns.
2682 (64bit branches): New patterns.
2683 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2684 (pre_ldd, post_std): New patterns.
2685 (64bit addil, load low part): New patterns.
2686 (special movsf constant): Not available for TARGET_64BIT.
2687 (movsf, movdf expanders): Force constants into memory.
2688 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2689 (64bit movdf/movdi patterns): New patterns.
2690 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2692 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2693 (adddi3 expander): Allow "arith_operand" for second input.
2694 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2695 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2696 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2697 (muldi3): New expander for TARGET_64BIT.
2698 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2700 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2701 patterns for TARGET_64BIT.
2702 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2703 patterns for TARGET_64BIT.
2704 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2705 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2706 (sibcall_epilogue): New expander.
2707 (casesi): Tweak for TARGET_64BIT.
2708 (call expanders): Set & use the outgoing argument pointer. Use the
2709 64bit call patterns as needed. Add additional arg to output_call.
2710 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2711 (sibcall, sibcall_internal_symref): New expanders.
2712 (sibcall_value, sibcall_value_internal_symref
2713 (interspace_jump): Turn into an expander + matching patterns.
2714 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2715 * pa/pa64-regs.h: Eliminate trigraph sequences.
2716 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2718 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2720 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2721 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2722 cpp_token with cpp_ttype everywhere.
2723 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2724 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2725 CPP_BUF_COL. Line and column numbers are unsigned int, not
2727 * cpplex.c (cpp_buf_line_and_col): Delete.
2728 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2729 'long lineno' to 'unsigned int lineno'.
2730 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2732 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2734 * extend.texi: ISO C99 is not a draft anymore.
2735 * invoke.texi: ISO C++ is not a draft anymore.
2736 * cpp.texi: __cplusplus is required by the ISO standard.
2738 * extend.texi (-fthis-is-variable): Undocument.
2739 * flags.h (warn_template_debugging): Remove declaration.
2740 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2741 -Wenum-clash, -Wtemplate-debugging): Undocument.
2743 2000-04-10 Nick Clifton <nickc@cygnus.com>
2745 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2747 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2749 (ARM_SIGN_EXTEND): Use HOST_UINT.
2750 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2751 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2752 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2753 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2755 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2756 (arm_gen_constant): Use HOST_UINT.
2757 (arm_canonicalize_constant): Use HOST_UINT.
2758 (arm_reload_in_hi): Use HOST_UINT.
2759 (arm_reload_out_hi): Use HOST_UINT.
2760 (output_multi_immediate): Use HOST_UINT.
2761 (int_log2): Use HOST_UINT.
2762 (arm_poke_function_name): Use HOST_UINT.
2763 (arm_output_epilogue): Use arm_volatile_func().
2764 (output_thumb_prologue): Use arm_strip_name_encoding().
2766 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2768 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2769 of sequence point problems.
2771 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2773 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2775 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2777 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2779 * sbitmap.h: Whitespace changes and use upper-case macro args.
2780 (struct simple_bitmap_def): All sizes now unsigned.
2781 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2782 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2783 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2784 (sbitmap_zero): Cast bzero arg to PTR.
2785 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2786 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2787 loop to make structure clearer.
2788 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2789 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2790 (sbitmap_a_and_b_or_c): Likewise.
2791 (sbitmap_intersection_of_succs): Minor cleanups.
2792 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2793 (sbitmap_union_of_preds): Likewise.
2794 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2795 (debug_sbitmap): New function.
2797 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2798 * c-typeck.c (convert_for_assignment): Likewise.
2800 * expmed.c (init_expmed): Don't free objects we make.
2801 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2803 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2804 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2806 * gcse.c (expr_hash_table_size): Now unsigned.
2807 (compute_ae_gen): Local variable `i' now unsigned.
2808 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2809 (compute_transout, hoist_code): Likewise.
2810 (compute_local_properties): Likewise, also hash_table_size.
2811 (alloc_expr_hash_table): N_INSNS now unsigned.
2812 (delete_null_pointer_checks): Mark arg F as unused.
2814 * regrename.c: Minor cleanups, including chang some variables
2817 2000-04-10 Neil Booth <NeilB@earthling.net>
2819 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2821 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2823 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2825 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2826 __classof__, and __headof__ from the list of gnu keywords.
2827 (-ansi): Remove -foperator-names from list of implied options.
2828 Do not call it ANSI C++.
2829 (-foperator-names): Document as -fno-operator-names.
2831 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2833 * cpphash.c (timestamp): Delete.
2834 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2835 (special_symbol): Remove unnecessary braces. Remove
2836 T_VERSION. Treat T_STDC like T_CONST unless
2837 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2838 when one is encountered, then convert them into T_MCONST
2840 * cppinit.c (builtin_array): version_string is T_MCONST.
2841 __STDC__ has a "1" in its cpval. Don't have a terminator
2842 entry. Clean up which entries are dumped.
2843 (initialize_builtins): Only __STDC__ gets the special
2844 -traditional treatment. Count the length of builtin_array.
2845 Render version_string here.
2846 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2847 * cpplib.h (struct cpp_reader): Remove timebuf.
2849 2000-04-09 Richard Henderson <rth@cygnus.com>
2851 * genrecog.c (pred): Update comparison_operator for the unordered
2854 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2856 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2857 (uno_comparison_operator): New.
2858 (put_condition_code): Handle UNORDERED/ORDERED.
2859 (unsigned_comparison): Likewise.
2860 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2861 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2862 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2863 update all callers. Handle all 8 unordered operators.
2864 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2865 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2866 * config/i386/i386.h (PREDICATE_CODES): Update.
2867 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2868 (ix86_expand_branch, ix86_expand_setcc): Update.
2869 * config/i386/i386.md (sunordered, sordered): New.
2870 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2871 (bunordered, bordered): New.
2872 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2873 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2874 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2876 2000-04-09 Philip Blundell <philb@gnu.org>
2878 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2880 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2882 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2883 fix_truncxfhi2): New patterns.
2884 * i386.c (output_fix_trunc): Handle converting to HImode.
2886 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2888 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2890 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2891 (for_each_successor_phi): Change parameter to basic_block.
2892 (coalesce_regs_in_successor_phi_nodes): Likewise.
2893 (coalesce_regs_in_copies): Likewise.
2894 (compute_coalesced_reg_partition): Use basic_block instead of index.
2895 * rtl.h (convert_to_ssa): Delete.
2896 (convert_from_ssa): Likewise.
2897 (successor_phi_fn): Likewise.
2898 (for_each_successor_phi): Likewise.
2899 (in_ssa_form): Likewise.
2900 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2901 (convert_from_ssa): Likewise.
2902 (successor_phi_fn): Likewise.
2903 (in_ssa_form): Likewise.
2904 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2905 * flow.c (calculate_global_regs_live): Pass a basic_block to
2906 for_each_successor_phi.
2908 2000-04-08 Richard Henderson <rth@cygnus.com>
2910 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2911 was modified in the current insn.
2913 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2915 * arm/thumb.md: Delete.
2916 * arm/thumb-protos.h: Delete.
2918 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2920 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2922 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2924 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2927 * arm.md (nop): Use the standard RTL expression. Don't code as a
2929 (*arm_nop, *thumb_nop): Delete.
2931 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2932 constants. Use casts instead.
2933 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2934 output_multi_immediate, arm_poke_function_name): Likewise.
2935 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2936 MASK_RETURN_ADDDR): Likewise.
2938 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2940 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2943 * arm.md (eh_epilogue): New function.
2944 * arm.h (struct machine_function): Move to here ...
2945 * arm.c: ... from here.
2946 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2947 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2948 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2950 2000-03-30 Nick Clifton <nickc@cygnus.com>
2952 * config/arm/semi.h (ASM_SPEC): Restore definition.
2953 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2955 * config/arm/elf.h (ASM_SPEC): Restore definition.
2956 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2958 * config/arm/arm.h (ASM_SPEC): Remove definition.
2959 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2961 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2963 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2965 2000-03-24 Nick Clifton <nickc@cygnus.com>
2967 Various formating tidyups, elimination of compile time
2968 warnings and synchronisation with internal sources:
2970 * config/arm/arm-protos.h (assemble_align): Add prototype.
2971 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2972 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2973 (arm_return_addr_rtx): Rename to arm_return_addr.
2975 * config/arm/arm.c: Include except.h.
2976 Define shorter typenames for strict minipool_node and struct
2978 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2980 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2981 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2983 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2985 (ASM_SPEC): Define if not already defined.
2986 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2988 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2989 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2990 arm_gen_compare_reg.
2991 (indirect_jump): Only accept register operands.
2992 (load_indirect_jump): Keep this pattern since combine can generate
2995 * config/arm/coff.h: Include aout.h.
2996 (MULTILIB_DEFAULTS): Only define if not already defined.
2998 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2999 into arm.h (so that COFF ports can support thumb based aliases).
3000 (ASM_SPEC): Move definition into arm.h
3002 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
3003 redundant apcs spec.
3004 (ASM_SPEC): Move definition to arm.h
3006 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
3008 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
3009 for entries in the .bss section
3011 2000-03-23 Nick Clifton <nickc@cygnus.com>
3013 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
3014 to thumb_far_jump_used_p.
3016 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
3017 single integer parameter.
3019 * config/arm/arm.c (struct machine_function): Add two new
3020 fields, 'far_jump_used' and 'arg_pointer_live'.
3021 (thumb_far_jump_used_p): Once the decision has been made that
3022 far jumps might be used, always return true.
3023 If being called from the initial elimination offset macro then
3024 do not bother to perform the test if the arg pointer is not
3026 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
3027 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
3029 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
3031 * arm.c (output_return_instruction): Handle more cases where we can
3032 return from a function with an ldr instruction.
3033 (arm_output_epilogue): Likewise.
3035 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
3036 if we need to push a large stack frame and there are no callee-saved
3039 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
3040 in ARM code if the frame pointer has been eliminated.
3042 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
3043 unspec_volatile arguments to avoid duplicates.
3044 (consttable_1, consttable_2): Fixes for big-endian mode.
3046 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
3049 Re-write constant pool code.
3050 * arm.c (minipool_node, minipool_fix): New types.
3051 (minifix): Delete type.
3052 (arm_add_minipool_constant): Delete.
3053 (arm_compute_minipool_offsets, arm_find_barrier,
3054 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
3055 (get_jump_table_size): Now returns HOST_WIDE_INT.
3056 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
3058 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
3059 (assign_minipool_offsets, arm_print_value): Likewise.
3060 (dump_minipool): Rewrite.
3061 (arm_barrier_cost): New function.
3062 (create_fix_barrier): New function.
3063 (push_minipool_barrier): New function.
3064 (push_minipool_fix): Record additional information about the fixup
3066 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
3067 check the mode of what needs fixing.
3068 (arm_reorg): Rewrite.
3070 2000-03-08 Nick Clifton <nickc@cygnus.com>
3072 * config/arm/arm.md (indirect_jump): Force constant addresses into
3075 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
3077 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
3079 2000-02-24 Nick Clifton <nickc@cygnus.com>
3081 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
3082 adjust is word aligned.
3083 (thumb_expand_epilogue): Make sure that stack adjust is word
3086 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
3088 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
3090 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
3091 pointer relative addresses.
3093 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
3095 * arm.c (find_barrier): Find the last barrier within the allowed
3098 2000-02-09 Nick Clifton <nickc@cygnus.com>
3100 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
3102 2000-02-09 Nick Clifton <nickc@cygnus.com>
3104 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
3105 ARM_FUNCTION_PROFILER.
3107 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
3108 ARM_FUNCTION_PROFILER.
3110 * config/arm/linux-oldld.h: Imported from mainline sources.
3112 2000-02-07 Nick Clifton <nickc@cygnus.com>
3114 * config/arm/lib1funcs.asm: Merge in thumb functions from
3117 * config/arm/lib1thumb.asm: Delete.
3119 2000-02-04 Nick Clifton <nickc@cygnus.com>
3121 * config/arm/arm.c: Sychronised with current Red hat local
3123 * config/arm/arm.h: Ditto.
3124 * config/arm/arm-protos.h: Ditto.
3126 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
3128 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
3130 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
3133 2000-02-02 Nick Clifton <nickc@cygnus.com>
3135 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
3137 * config/arm/arm.md (epilogue): Fix rtl checking abort because
3138 (return) was emited using an emit_insn() call.
3140 2000-01-31 Nick Clifton <nickc@cygnus.com>
3142 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
3144 (thumb_exit): Move frame pointer back into hard frame pointer
3145 register if backtracing is being used.
3147 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
3149 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
3152 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
3154 * config/arm/arm.md (neg_pool_offset): Provide default for new
3156 (arm_movsi_insn): Add neg_pool_offset attribute.
3157 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
3158 rtx for the insn that starts the scan and an unsigned long for its
3159 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
3160 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
3161 instructions in *PINSERTED.
3162 (struct minipool_fixup): Add MIN_ADDRESS elt.
3163 (sort_fixups): Compute it.
3164 (arm_reorg): Changes to support inserting pools before the insn to be
3167 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
3169 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
3170 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
3171 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
3173 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
3175 * config/arm/semi.h (TARGET_VERSION): Do not define if already
3177 (TARGET_DEFAULT): Do not define if already defined.
3179 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
3181 * config/arm/arm.md (anddi3): Allow disjoint source operands.
3182 (iordi3): Allow disjoint source operands.
3183 (xordi3): Allow disjoint source operands.
3184 (negdi2): Permit construction for ARM and Thumb.
3185 (arm_negdi2): Renamed version of old negdi2 pattern.
3186 (thumb_negdi2): New pattern: Only permit non-overlapping
3187 source and destination.
3189 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
3191 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
3192 scratch low register so that it will not be deleted.
3194 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
3196 * config/arm/pe.h (ARM_PE): Define.
3198 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
3199 interfacearm attribute if this is a PE toolchain.
3200 (output_return_instruction): Do not emit anything if the function
3201 has the naked attribute set.
3202 (is_called_in_ARM_mode): If the function has the interfacearm
3203 attribute then return true.
3204 (thumb_expand_prologue): Do not generate a prologue for naked
3206 (thumb_expand_epilogue): Do not generate an epilogie for a naked
3208 (output_thumb_prologue): Do not bother if the function is naked.
3209 Strip PE encoding from function name before emitting.
3211 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3213 * arm.md (pic_load_addr): Fix constraints.
3215 * arm.md (casesi_insn): Fix mis-applied patch.
3217 * arm.md ("core" function unit): Add rules for single- and
3219 (All TARGET_THUMB patterns): Add "type" attribute information
3221 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3222 the following insn is a CALL.
3224 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3226 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3227 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3228 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3230 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3232 * config/arm/linux-gas.h: oops - this file was missed out when the
3233 branch was created...
3235 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3237 * thumb.c: Deleted. Move contents to ...
3239 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3241 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3244 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3245 declare a prototype for asm_output_align();
3247 * arm.c (thumb_condition_code): Delete.
3248 (arm_print_operand): Always use arm_condition_code array.
3250 * arm.c (thumb_return_addr_rtx): Delete.
3251 (arm_save_machine_status, arm_restore_machine_status): Delete.
3252 (arm_init_machine_status, arm_mark_machine_status): New functions.
3253 (arm_init_expanders): Update accordingly.
3254 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3255 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3256 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3258 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3260 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3262 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3265 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3267 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3268 stack backtrace structure.
3270 * config/arm/arm-protos.h: Add prototypes for functions defined in
3273 * config/arm/arm.c (arm_override_options): Fix selection of
3274 attributes of default processor.
3276 * config/arm/coff.h: Delete needless #include.
3278 * config/arm/pe.c: Delete unused code.
3280 * config/arm/pe.h (CPP_DEFINES): Delete
3281 (SUBTARGET_CPP_SPEC): Define.
3282 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3284 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3286 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3288 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3290 (CAN_DEBUG_WITHOUT_FP): Define.
3291 (FIXED_REGISTERS): Make r11 call-saved.
3292 (CALL_USED_REGISTERS): Likewise.
3293 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3294 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3295 frame-pointer is required.
3296 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3297 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3298 if the target normally needs a stack frame in non-leaf functions.
3299 (use_return_insn): Correct logic for determining when a return
3300 instruction can be used.
3301 (output_return_instruction): Handle the frame-pointer register as
3302 a normal register when not TARGET_APCS_FRAME.
3303 (arm_output_prologue): Likewise.
3304 (arm_output_epilogue): Likewise.
3305 (output_func_epilogue): Likewise.
3306 (arm_expand_prologue): Likewise.
3307 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3309 * arm.c (use_return_insn): No need to check floating point regs if
3311 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3312 the code of value stored in the minipool array.
3313 (arm_add_minipool_constant): Likewise.
3315 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3317 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3319 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3321 * tree.c (tree_expr_nonnegative_p): New function.
3323 * tree.h (tree_expr_nonnegative_p): Declare.
3325 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3326 elide some sign_compare warnings.
3327 (build_conditional_expr): Likewise.
3329 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3331 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3333 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3334 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3335 operand. Abort if a 387 operand has an unsupported size.
3337 2000-04-08 Neil Booth <NeilB@earthling.net>
3339 * cppexp.c (parse_charconst): Null does not end character
3341 * cppinit.c (ISTABLE): Null character handled as whitespace.
3342 * cpplex.c (null_warning): new function.
3343 (skip_string): Emit warning if nulls encountered.
3344 (_cpp_skip_hspace): Emit warning if nulls encountered.
3345 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3349 2000-04-07 Richard Henderson <rth@cygnus.com>
3351 * flow.c (loop_depth): Remove.
3352 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3353 (struct propagate_block_info): New.
3354 (life_analysis): Don't allocate reg_next_use.
3355 (propagate_block_delete_insn): Break out of propagate_block.
3356 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3357 (propagate_block_delete_libcall): Likewise.
3358 (propagate_block): Create a propagate_block_info struct to pass
3359 to subroutines. Allocate one not two temporary regsets. Don't
3360 clobber memory for const calls. Look for clobbers in
3361 CALL_INSN_FUNCTION_USAGE.
3362 (mark_set_regs): Recognize COND_EXEC.
3363 (mark_set_reg): Break out of mark_set_1.
3364 (mark_used_reg): Break out of mark_used_regs.
3365 (mark_used_regs): Recognize COND_EXEC.
3366 (insn_dead_p): Use propagate_block_info struct.
3367 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3368 (find_auto_inc, try_pre_increment_1): Likewise.
3369 (print_rtl_with_bb): Dump regs live at end too.
3370 (count_reg_sets_1): Pass in loop_depth.
3371 (count_reg_sets, count_reg_references): Likewise.
3372 (recompute_reg_usage): Provide it.
3374 2000-04-07 Richard Henderson <rth@cygnus.com>
3376 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3379 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3381 * cpplib.c (do_elif): Skip the rest of the line if we're
3382 not going to bother evaluating it.
3383 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3384 to avoid pointless calls to the lexer.
3386 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3388 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3390 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3392 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3394 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3396 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3398 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3400 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3401 crtend so they can be multilibbed.
3402 (STAGESTUFF): Remove s-crt and s-crtS.
3404 2000-04-07 Richard Henderson <rth@cygnus.com>
3406 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3407 if we discover we need a pseudo and no_new_pseudos is true.
3408 * config/alpha/alpha.md (ne:DI insn): New.
3409 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3411 2000-04-07 Richard Henderson <rth@cygnus.com>
3413 * rtl.def (COND_EXEC): New.
3414 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3415 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3417 * genconfig.c (have_cond_arith_flag): Remove.
3418 (have_cond_exec_flag): New.
3419 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3420 (main): Print HAVE_conditional_execution.
3422 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3423 (sched_analyze_insn, print_pattern): Likewise.
3424 * reload.c (find_equiv_reg): Likewise.
3425 * rtlanal.c (reg_referenced_p): Likewise.
3426 (note_stores, dead_or_set_regno_p): Likewise.
3427 (reg_overlap_mentioned_p): Rewrite to use a switch.
3429 * ggc.h (struct rtx_def): Forward declare.
3431 * print-rtl.c (debug_rtx_range): New.
3432 * rtl.h (debug_rtx_range): Declare.
3434 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3436 * gcse.c (gcse_main): Don't rebuild the CFG here.
3437 (delete_null_pointer_checks): Likewise.
3438 * ssa.c (convert_to_ssa): Likewise.
3439 * toplev.c (rest_of_compilation): Do it here instead. Combine
3440 sequential calls to TIMEVAR. Consistently use `insns' instead of
3441 `get_insns()'. Always split insns after reload when optimizing.
3443 * basic-block.h (merge_blocks_nomove): Declare.
3444 (tidy_fallthru_edge): Declare.
3445 * flow.c (merge_blocks_nomove): Document as merging into previous
3446 blocks. Remove cruft from between blocks; remove all edges out of A.
3447 (tidy_fallthru_edge): Export.
3449 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3451 * ssa.c (compute_conservative_reg_partition): Declare with
3453 * toplev.c (clean_dump_file): Remove previously-deleted function
3454 inadvertantly merged back in.
3455 * conflict.c (conflict_graph_add): Use a single call to
3456 htab_find_slot to look up and insert.
3458 2000-04-06 Richard Henderson <rth@cygnus.com>
3460 * genrecog.c (*): Rename _last_insn to last_insn.
3461 (make_insn_sequence): Set the position of the peephole2 C test
3462 to be at the last insn.
3464 2000-04-06 Richard Henderson <rth@cygnus.com>
3466 * flow.c (compute_flow_dominators): Free worklist.
3468 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3470 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3472 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3474 * rtl.h (INSN_P): New macro.
3475 (successor_phi_fn): New typedef.
3476 (for_each_successor_phi): New prototype.
3477 (in_ssa_form): New variable.
3478 (PHI_NODE_P): Likewise.
3479 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3480 phi nodes in successors.
3481 (mark_used_regs): Add PHI case.
3482 (set_phi_alternative_reg): New function.
3483 (life_analysis): Assert that dead code elimination is not selected
3485 * toplev.c (to_ssa_time): New variable.
3486 (from_ssa_time): Likewise.
3487 (compile_file): Zero to_ssa_time and from_ssa_time.
3488 Print time to convert to and from SSA.
3489 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3490 (print_time): Compute percent fraction as integer.
3491 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3492 (convert_to_ssa): Check if we're already in SSA.
3493 Don't eliminate dead code in life_analysis.
3494 Rerun flow and life analysis at bottom.
3495 (eliminate_phi): Use canonical regnos when adding nodes.
3496 (mark_reg_in_phi): New function.
3497 (mark_phi_and_copy_regs): Likewise.
3498 (convert_from_ssa): Rerun life analysis at top.
3499 Use coalesced partition.
3500 Check for removing a phi node at the end of the block.
3501 (compute_coalesced_reg_partition): New function.
3502 (coalesce_regs_in_copies): Likewise.
3503 (coalesce_reg_in_phi): Likewise.
3504 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3505 (for_each_successor_phi): Likewise.
3506 (rename_context): New struct.
3507 (rename_block): Use a rename_context with rename_insn_1. When
3508 renaming sets of a subreg, emit a copy of the entire reg first.
3509 (rename_insn_1): Treat data as a rename_context *. Save current
3511 (rename_set_data): Add field set_insn.
3512 * Makefile.in (HASHTAB_H): Move up in file.
3513 (OBSTACK_H): New macro.
3514 (collect2.o): Use OBSTACK_H in dependencies.
3515 (sdbout.o): Likewise.
3516 (emit-rtl.o): Likewise.
3517 (simplify-rtx.o): Likewise.
3518 (fix-header.o): Likewise.
3519 (OBJS): Add conflict.o.
3520 (conflict.o): New rule.
3521 * basic-block.h: Include partition.h.
3522 (conflict_graph): New typedef.
3523 (conflict_graph_enum_fn): Likewise.
3524 (conflict_graph_new): New prototype.
3525 (conflict_graph_delete): Likewise.
3526 (conflict_graph_add): Likewise.
3527 (conflict_graph_conflict_p): Likewise.
3528 (conflict_graph_enum): Likewise.
3529 (conflict_graph_merge_regs): Likewise.
3530 (conflict_graph_print): Likewise.
3531 (conflict_graph_compute): Likewise.
3532 * conflict.c: New file.
3534 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3536 * tlink.c (read_repo_files): Don't look for .rpo info for
3539 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3541 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3543 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3545 * config/sh/lib1funcs.asm (___udivsi3_i4):
3546 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3547 only depends on FMOVD_WORKS.
3549 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3551 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3552 make double constant 8-byte aligned.
3554 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3556 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3557 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3558 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3559 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3560 Accept storing GENERAL_REGS into offsetable memory.
3561 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3562 building a TFmode constant other than 0.0L into GENERAL_REGS.
3564 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3566 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3568 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3570 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3571 (macro_cleanup): No need to cast pbuf->macro.
3572 (collect_expansion): Use _cpp_get_define_token. Goto done if
3573 it returns VSPACE. Remove check for trailing space after
3575 (_cpp_create_definition): Don't diddle flags here. Return
3577 (unsafe_chars): Handle c1 being EOF.
3578 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3579 checks. Don't push the buffer till after we're done with
3581 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3582 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3583 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3585 (_cpp_parse_assertion): Don't NUL terminate.
3586 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3587 hspace before calling _cpp_parse_assertion. Remove all sets
3588 of only_seen_white. Treat '\f' as hspace. Don't do anything
3589 special with '\n' here.
3590 (maybe_macroexpand): Handle T_EMPTY hash entries without
3591 pushing a buffer at all.
3592 (cpp_get_token): Handle clearing only_seen_white here. Handle
3593 incrementing the line number here. Clear
3594 potential_control_macro as well as only_seen_white, if
3596 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3597 (_cpp_get_define_token): New function, basically like
3598 _cpp_get_directive_token was but doesn't eat horizontal space.
3599 Don't do anything with only_seen_white here.
3600 (_cpp_get_directive_token): Just call _cpp_get_define_token
3601 repeatedly till it returns non-hspace.
3603 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3604 (conditional_skip, skip_if_group): Return int.
3605 (DIRECTIVE_TABLE): Change origin of all conditional directives
3607 (TRAD_DIRECT_P): New macro.
3608 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3609 an error for a bogus directive, unless -lang-asm. Use
3610 TRAD_DIRECT_P. Loop calling handler functions till one returns
3612 (get_macro_name): Don't diddle flags here.
3613 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3614 Create T_EMPTY nodes for #define macro /* nothing */.
3615 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3616 Use hp->name when calling pass_thru_directive.
3617 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3618 Return the result of conditional_skip and/or skip_if_group.
3619 Don't call _cpp_output_line_command.
3620 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3621 Issue -Wtraditional warnings as appropriate. Don't complain
3622 about unrecognized directives. If we are to stop skipping,
3623 return the number of the directive that ended the skip.
3624 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3625 expansion and line commands while skipping. Return the result
3626 of consider_directive_while_skipping, if nonzero.
3627 (do_endif): Just set potential_control_macro here.
3628 (validate_else): Use _cpp_get_directive_token.
3629 (do_assert, do_unassert): Don't save pointers into the
3630 token_buffer across calls to the lexer. Use
3631 _cpp_get_directive_token.
3633 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3634 pointer, not an offset. Replace 'data', which was a generic
3635 pointer, with 'macro', which points to a struct hashnode.
3636 (cpp_reader): Add 'potential_control_macro' pointer.
3637 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3638 (CPP_BUF_GET, CPP_FORWARD): Delete.
3639 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3640 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3641 ACTIVE_MARK_P): Update.
3642 (_cpp_get_define_token): New internal function.
3643 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3645 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3647 * configure.in: And here.
3648 * configure: Regenerate.
3649 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3650 --enable-libstdcxx-v3 is passed at configure time.
3651 * config.h.in: Regenerate.
3653 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3655 * final.c (final): Use xcalloc to allocate line_note_exists.
3656 * function.c (free_after_compilation): Free the temp_slots.
3657 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3658 (combine_temp_slot): Free temp_slots when they get combined.
3659 (purge_addressof): Fix typo in comment.
3660 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3661 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3663 * ggc.h: Include varray.h.
3664 (ggc_pending_trees): Declare.
3665 (ggc_mark_tree_children): Remove declaration.
3666 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3667 * ggc-common.c (ggc_pending_trees): New variable.
3668 (ggc_mark_roots): Call ggc_mark_trees.
3669 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3670 the ggc_pending_trees.
3671 * Makefile.in (GGC_H): New variable. Use it throughout in place
3674 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3676 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3679 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3681 * sh.c (sh_insn_length_adjustment): New function.
3682 * sh-protos.h (sh_insn_length_adjustment): Declare.
3683 * sh.h (ADJUST_INSN_LENGTH): Use it.
3685 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3687 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3688 from the insn where REG_RETVAL is added.
3689 (emit_no_conflict_block): Ditto.
3691 * md.texi (Standard Names): Clarify when movX is needed.
3693 * combine.c (simplify_comparison) [MINUS]: Do not replace
3694 all (op (minus A B) 0) with (op A B).
3696 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3697 J"orn Rennecke <amylaar@cygnus.co.uk>
3699 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3700 (block_lump_real): Likewise.
3702 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3704 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3705 remaining non-zero debugging masks.
3707 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3709 * basic-block.h (verify_flow_info): Declare.
3710 (flow_loop_outside_edge_p): Declare.
3711 * flow.c (verify_flow_info): Remove declaration.
3712 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3714 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3716 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3719 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3721 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3722 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3723 seqdi_zero_trunc+1): Allow splits only if registers are
3726 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3728 * acconfig.h: Add HAVE_GAS_HIDDEN.
3729 * config.in: Regenerated.
3730 * configure.in: Add test for .hidden pseudo-op in gas.
3731 * configure: Regenerated.
3732 * crtstuff.c: Include auto-host.h.
3733 Emit additional .hidden pseudo-op for __dso_handle if the
3734 assembler knows about it.
3736 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3738 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3739 before freeing argnames.
3740 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3742 2000-04-05 Michael Meissner <meissner@redhat.com>
3744 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3745 Walton <jonboy@gordian.com> to make memory references with update
3746 work wtih -mregnames.
3748 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3750 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3751 (regrename_optimize): Rename variables `def_uses' and
3752 `ext_basic_blocks' to avoid conflicts with similarly named
3753 typedefs in traditional C.
3755 * calls.c (initialize_argument_information): Fix typo in previous
3758 2000-04-04 Richard Henderson <rth@cygnus.com>
3760 * regrename.c (consider_available): Test fixed_regs not
3761 PIC_OFFSET_TABLE_REGNUM.
3763 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3765 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3767 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3768 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3769 (ENDFILE_LINUX_SPEC): Always use crtend.
3770 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3771 (powerpc-*-linux-gnu): Likewise.
3772 * configure: Regenerate.
3774 * config/rs6000/eabi.h: Don't include sysv4.h.
3775 (MULTILIB_DEFAULTS): Don't define.
3776 * config/rs6000/eabiaix.h: Don't include eabi.h.
3777 * config/rs6000/eabile.h: Delete.
3778 * config/rs6000/eabilesim.h: Delete.
3779 * config/rs6000/eabisim.h: Don't include eabi.h.
3780 * config/rs6000/linux.h: Don't include sysv4.h.
3781 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3782 (MULTILIB_DEFAULTS): Don't redefine.
3783 * config/rs6000/rtems.h: Don't include eabi.h.
3784 * config/rs6000/sol2.h: Don't include sysv4le.h.
3785 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3786 * config/rs6000/t-ppc: Delete.
3787 * config/rs6000/t-ppcgas: Correct comment.
3788 * config/rs6000/t-ppcos: Correct comment. Don't build
3789 multilibs for -fPIC, rather use -fPIC -mstrict-align
3791 * config/rs6000/t-ppc: Delete.
3792 * config/rs6000/vxppc.h: Don't include sysv4.h.
3793 * config/rs6000/vxppcle.h: Delete.
3794 * configure.in: Use multiple header files for p2pc ELF targets
3795 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3796 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3797 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3798 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3799 always available for these platforms.
3801 2000-04-04 Richard Henderson <rth@cygnus.com>
3803 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3805 2000-04-04 Stan Cox <scox@cygnus.com>
3807 * Makefile.in: Add rules for regrename.o
3808 * regrename.c: New file.
3809 * rtl.h (regrename_optimize): Add prototype.
3810 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3811 (compile_file, decode_d_option): Add support for -frename-registers.
3812 (rest_of_compilation): Call regrename_optimize.
3813 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3816 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3818 * Makefile (gccbug): New target.
3819 (doc): Depend on it.
3820 * gcc.texi (Bugs): Link subnodes.
3822 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3823 Document severities, priorities, and classes in bug form.
3825 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3827 * cpplex.c (trigraph_map, speccase): Combine into single
3829 (NORMAL, NONTRI): New macros.
3830 (_cpp_read_and_prescan): Change to use unified table. Use
3831 is_hspace to test for whitespace.
3833 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3834 definition that doesn't provoke the "empty body in an
3835 if-statement" warning.
3837 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3839 * builtins.c (expand_builtin_strlen): Force the source to
3840 be a memory address.
3842 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3844 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3846 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3848 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3849 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3850 (ECF_IS_CONST): Rename to ECF_CONST.
3851 (special_function_p): Make static, change interface.
3852 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3853 (expand_call) ... here; convert number of variables to flags.
3854 (emit_library_call_vlue_1): Likewise.
3855 (setjmp_call_p): New function.
3856 (initialize_argument_information): Accepts flags as argument;
3858 (precompute_arguments): Likewise.
3859 * tree.h (special_function_p): Remove.
3860 (setjmp_call_p): Add prototype.
3862 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3864 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3865 so that addresses are offsetable by up to 16 bytes.
3866 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3867 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3870 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3871 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3872 (movsf): Don't force any constant to memory if target is integer
3874 Move fp_zero_operand check below the const0_rtx check.
3875 (movtf): Likewise. Also allow fp_zero_operand for stores into
3877 (movdf): Likewise. Also allow fp_zero_operand for stores into
3878 memory and into integer hard registers.
3879 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3880 movdf_const_intreg_sp64): Remove.
3881 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3883 (movdf_no_e_insn_v9_sp32): New pattern.
3884 (movdf_insn_v9only): Remove.
3885 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3886 (movdf_insn_sp64): Remove.
3887 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3888 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3889 (following splits): Rewrite conditions. Add two new splits
3890 for storing 0.0 into memory and registers.
3891 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3892 (movtf_insn_sp32): Redo constraints and conditions.
3893 (movtf_insn_vis_sp32): New pattern.
3894 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3895 (movtf_insn_hq_sp64): Likewise.
3896 (movtf_insn_hq_vis_sp64): New pattern.
3897 (movtf_insn_sp64): Redo constraints and conditions.
3898 (movtf_insn_vis_sp64): New pattern.
3899 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3900 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3902 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3903 -mvis or -m64 to take down the number of various reload patterns.
3905 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3907 * pa/pa-64.h: New file.
3908 * pa/pa64-regs.h: New file.
3909 * pa/pa64-start.h: New file.
3910 * pa/t-pa64: New file.
3911 * pa/xm-pa64hpux.h: New file.
3913 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3915 * sparc.c (output_restore_regs): Prototype.
3916 (sparc_emit_float_lib_cmp): Constification.
3918 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3920 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3923 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3924 (get_value_hash, hash_rtx): Likewise.
3926 * ssa.c (compute_conservative_reg_partition): Prototype.
3928 * tree.c (mark_hash_entry): Prototype.
3930 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3932 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3933 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3934 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3936 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3937 * objc/lang-specs.h: Likewise.
3939 2000-04-03 Neil Booth <NeilB@earthling.net>
3941 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3942 and SYNTAX_ERROR2. Replace `' in messages with ''.
3943 (op_to_str): Make re-entrant.
3944 (_cpp_parse_expr): Implement new error macros. Use | rather
3945 than || to logically or 2 boolean integers. Simply expression
3946 checking we have a left operand iff needed.
3948 2000-04-03 Nick Clifton <nickc@cygnus.com>
3950 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3952 2000-04-03 Philip Blundell <philb@gnu.org>
3954 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3956 2000-04-03 Felix Lee <flee@cygnus.com>
3958 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3959 (run_shell): Use it.
3961 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3963 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3964 (stmp-fixproto): ...rather than here.
3966 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3968 * pa.c (print_operand): Compute 'base' only inside the code paths
3971 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3973 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3976 2000-04-03 Philipp Thomas <pthomas@suse.de>
3978 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3980 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3982 * Makefile.in (alias.o): Depend on $(TREE_H).
3984 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3986 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3988 * cpplib.c (_cpp_handle_directive): Improve warnings for
3989 traditional C and indented directives.
3991 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3992 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3993 fixinc/inclhack.def: Indent the # of #include_next one space.
3994 * cp/rtti.c: Un-indent #if and #endif.
3996 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3997 syntax error, but an error has already been printed.
3998 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3999 message when called with nothing remaining on the line.
4000 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
4001 OTHER token, not an ASSERTION.
4002 * cpplib.c (do_assert): When we create a 'base' node, clear
4003 its aschain pointer.
4005 2000-04-02 Neil Booth <NeilB@earthling.net>
4007 * cppexp.c: New typedef op_t. struct operation and struct
4008 token updated to use it.
4009 (op_to_str): New function.
4010 (_cpp_parse_expr): Error messages modified to use op_to_str.
4012 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4014 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
4015 before checking MUST_PASS_IN_STACK.
4017 2000-04-02 Neil Booth <NeilB@earthling.net>
4019 * cppexp.c: New FINISHED dummy token. Combine operator initial
4020 flags and initial priority into a single constant. New
4021 EQUALITY macro. New operator flag SHORT_CIRCUIT.
4022 (_parse_cpp_expr): Implement new constants. Take left operand
4023 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
4024 parse indicated by reducing FINISHED token. Remove new lines
4025 from cpp_error messages.
4027 2000-04-01 Mark Mitchell <mark@codesourcery.com>
4029 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
4032 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
4034 * cpplib.c: Include symcat.h. Add 'origin' field to struct
4035 directive. Add origin values to DIRECTIVE_TABLE. Generate
4036 the strings and function names on the fly. Take the #sccs
4037 entry out of the table if SCCS_DIRECTIVE is not defined.
4038 (_cpp_handle_directive): Decide if the # was at the beginning
4039 of the line here. Issue -pedantic warnings for extended
4040 directives here. Warn about K+R directives with the #
4041 indented, and C89/extended directives with the # not indented,
4043 (do_import, do_include_next, do_warning, do_ident, do_sccs,
4044 do_assert, do_unassert): Don't issue pedantic warning here.
4046 * cpphash.h: Add CPP_WTRADITIONAL macro.
4047 * cpplib.h (struct cpp_options): Rename warn_stringify to
4048 warn_traditional; update comments.
4049 * cppinit.c (handle_option): Set warn_traditional not
4051 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
4052 CPP_WTRADITIONAL (pfile).
4053 * cpplex.c (_cpp_lex_token): Don't decide if directives should
4054 be ignored in -traditional mode here.
4056 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
4057 to initialize speccase[] and trigraph_map[]. Delete all
4058 references to pfile->input_speccase. Always treat '?' as a
4059 special character. Remove table-initialization code from
4060 _cpp_init_input_buffer.
4062 * cpplib.h (struct cpp_reader): Remove input_speccase field.
4063 * cppinit.c (cpp_cleanup): Don't free input_speccase.
4065 2000-04-01 Richard Henderson <rth@cygnus.com>
4067 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
4068 (mostlyclean): Likewise.
4070 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
4071 (struct dump_file_info, enum dump_file_index, dump_file): New.
4072 (open_dump_file): Take a dump_file_index not a suffix, and a decl
4073 not a string. Clean out file if we havn't yet done so. Do nothing
4074 if the dump isn't enabled.
4075 (close_dump_file): Do nothing if the dump isn't open. Dump
4076 graph data if requested.
4077 (dump_rtl, clean_dump_file): Remove.
4078 (compile_file): Don't clean the dump files. Only finalize .bp dump
4079 if flag_test_coverage or flag_branch_probabilities. Only finalize
4080 .combine dump if optimizing. Iterate over dump_file to finalize the
4082 (rest_of_compilation): Update for open_dump_file/close_dump_file.
4083 Convert all uses of dump_rtl.
4084 (decode_d_option): Iterate over dump_file to implement 'a' and to
4085 locate pass-specific dumps.
4087 2000-04-01 Neil Booth <NeilB@earthling.net>
4089 * cppexp.c: Redefine priority constants.
4090 (_cpp_parse_expr): Replace left and right priority scheme with
4091 single priority logic. Move LOGICAL to same place as COMPARE.
4092 Remove bogus check for multiple unary +/- operators.
4094 2000-04-01 Neil Booth <NeilB@earthling.net>
4096 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
4097 within the switch statement. Binary operations break out of
4098 the switch naturally. '(' tokens handled by forcing
4099 immediate shift. ')' handled by forcing immediate reduce to
4100 the previous '('. New error messages.
4102 2000-03-31 Geoff Keating <geoffk@cygnus.com>
4104 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
4105 part', it's already in use. Use %K instead. Add a return at the
4106 end of what is now %K.
4107 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
4109 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4111 * builtins.c (expand_builtin_apply): Pass proper parameters to
4112 allocate_dynamic_stack_space.
4113 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
4114 update stack_pointer_delta; do not update arg_size_so_far.
4115 (compute_argument_block_size): Use stack_delta instead of
4116 stack_pointer_pending and arg_size_so_far.
4117 (expand_call): Add sanity checking for stack_pointer_delta;
4118 save and restore stack_pointer_delta for SIB, use
4119 stack_pointer_delta for alignment; do not update arg_space_so_far.
4120 (emit_library_call_value): Use stack_pointer_delta for alignment.
4121 (store_one_arg): Do not update arg_space_so_far.
4122 * explow.c (adjust_stack, anti_adjust_stack): Update
4123 stack_pointer_delta.
4124 (allocate_dynamic_stack_space): Add sanity checking for
4125 stack_pointer_delta.
4126 * expr.c (init_expr, clear_pending_stack_adjust): Clear
4127 stack_pointer_delta.
4128 (emit_push_insn): Update stack_pointer_delta.
4129 * function.h (struct expr_status): Add x_stack_pointer_delta;
4130 remove x_arg_space_so_far.
4131 (arg_space_so_far): Remove.
4132 (stack_pointer_delta): New macro.
4134 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
4136 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
4137 Reorder struct cpp_options and struct cpp_reader for better
4138 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
4139 takes two args. Change all 'char' flags to 'unsigned char'.
4140 Move show_column flag into struct cpp_options. Don't
4141 prototype cpp_options_init.
4142 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
4143 cppinit.c, cpplex.c, cpplib.c:
4144 Replace CPP_OPTIONS (pfile)->whatever with
4145 CPP_OPTION (pfile, whatever), and likewise for
4146 opts = CPP_OPTIONS (pfile); ... opts->whatever;
4148 * cppinit.c (merge_include_chains): Take a cpp_reader *.
4149 Extract CPP_OPTION (pfile, pending) and work with that
4151 (cpp_options_init): Delete.
4152 (cpp_reader_init): Turn on on-by-default options here.
4153 Allocate the pending structure here.
4154 (cl_options, enum opt_code): Define these from the same table,
4155 kept in a large macro. Add -fshow-column and -fno-show-column
4158 * cpperror.c (v_message): If show_column is off, don't print
4161 * cppmain.c: Update for new interface.
4162 * fix-header.c: Likewise.
4164 2000-03-30 Geoff Keating <geoffk@cygnus.com>
4166 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
4168 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
4169 are passed to any invocation of AR_FOR_TARGET.
4170 (AR_CREATE_FOR_TARGET): New macro.
4171 (AR_EXTRACT_FOR_TARGET): New macro.
4172 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
4173 AR_EXTRACT_FOR_TARGET.
4174 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
4175 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
4176 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
4177 AR_EXTRACT_FOR_TARGET to sub-makes.
4179 2000-03-31 Neil Booth <NeilB@earthling.net>
4181 * cppexp.c: Delete SKIP_OPERAND. Correct priority
4183 (_cpp_parse_expr): Check for multiple unary +/- operators.
4184 Correct priorities of ':' and '?'. Treat ')' as having a
4185 value. Ensure conditional expression is not void.
4187 2000-03-31 Mark Mitchell <mark@codesourcery.com>
4189 * alias.c (canon_rtx): Make it global.
4190 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
4192 * cse.c (struct table_elt): Add canon_exp.
4194 (invalidate): Canonicalize expressions only once.
4195 * rtl.h (canon_rtx): Declare.
4197 2000-03-30 Mark Mitchell <mark@codesourcery.com>
4199 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
4200 * alias.c (reg_known_value): Add comments.
4201 (init_alias_analysis): Likewise.
4202 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
4204 (cse_basic_block): Fix typo in comment.
4205 * emit-rtl.c: Include hashtab.h.
4206 (const_int_htab): New variable.
4207 (const_int_htab_hash): New function.
4208 (const_int_htab_eq): Likewise.
4209 (rtx_htab_mark_1): Likewise.
4210 (rtx_htab_mark): Likewise.
4211 (gen_rtx_CONST_INT): Cache all CONST_INTs.
4212 (unshare_all_rtx): Fix formatting.
4213 (init_emit_once): Initialize const_int_htab.
4214 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
4216 * rtl.texi: Document the fact that all CONST_INTs with the same
4219 2000-03-30 Richard Henderson <rth@cygnus.com>
4221 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4223 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4225 * configure.in: Comment out --enable-c-cpplib stanza.
4226 * configure: Regenerate.
4228 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4230 * expr.c (store_constructor): Properly compute displacement and
4231 alignment when offset is variable.
4233 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4234 cases of alignment in bytes.
4236 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4238 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4239 since it is used to generate c-parse.y.
4240 * objc-parse.c, objc-parse.y: Regenerated.
4242 * function.c (expand_function_end): Pass alignment argument to
4243 emit_block_move in bits, not bytes.
4245 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4247 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4250 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4252 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4253 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4254 * function.c (assign_parms): Likewise.
4255 * integrate.c (expand_inline_function): Likewise.
4256 * stmt.c (expand_decl): Likewise.
4257 (copy_rtx_and_substitute): Likewise.
4258 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4259 (clear_by_pieces): Fix error in last change.
4260 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4261 * function.h (regno_pointer_align): Now unsigned.
4262 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4264 * config/i386/i386.c (aligned_operand): Likewise.
4265 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4266 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4267 (unaligned_memory_operand): Likewise.
4268 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4269 Also make alignments and sizes unsigned and some whitespace cleanup.
4270 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4272 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4273 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4274 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4275 (expand_builtin_memset): Likewise, but to clear_storage.
4276 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4277 (restore_fixed_argument_area): Likewise.
4278 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4279 (load_register_parameters): Likewise, to emit_group_load.
4280 (expand_call): Likewise, to emit_group_store and emit_block_move.
4281 (emit_library_call_value_1): Likewise, to emit_block_move.
4282 (store_one_arg): Likewise, and to emit_push_insn.
4283 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4284 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4285 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4286 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4287 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4288 (expand_assigment, store_expr, store_constructor_field): Likewise.
4289 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4290 (store_constructor, store_field, get_inner_reference): Likewise.
4291 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4292 (expand_expr, case COMPONENT_REF): Likewise.
4293 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4294 and positions; reindent code.
4295 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4296 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4297 (assign_parms): Likewise to emit_group_store.
4298 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4299 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4300 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4301 (expand_return): Likewise to {extract,store}_bit_field.
4302 * stor-layout.c (get_mode_alignment): Minor cleanup.
4303 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4304 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4306 2000-03-29 Nick Clifton <nickc@cygnus.com>
4308 * config/arm/arm.h: Undo effects of previous delta:
4309 (ASM_SPEC): Do not define.
4310 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4312 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4315 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4317 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4318 only after reading in the primary source file.
4320 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4322 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4323 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4324 or a reference to a va_list.
4325 * builtins.c (stabilize_va_list): Simplify now we don't have to
4326 work around C array address decay.
4327 * c-typeck.c (convert_for_assignment): Handle assignment to
4328 a reference parameter by taking the address of the RHS.
4329 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4330 (va_copy): Likewise.
4331 (__va_copy): Likewise.
4332 * ginclude/varargs.h (va_start): Likewise.
4333 (__va_copy): Likewise.
4335 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4337 * i386/djgpp.h: Remove extraneous "+".
4339 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4341 * calls.c (expand_call): Fix typo in last change.
4343 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4345 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4348 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4350 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4351 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4352 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4353 * tree.c (bit_position, byte_position): Likewise.
4354 * tree.h: Declare new functions.
4356 2000-03-29 Nick Clifton <nickc@cygnus.com>
4358 * config/arm/arm.c: Minor formatting changes/
4359 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4361 (ASM_SPEC): Define if not already defined.
4363 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4365 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4368 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4370 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4371 value, don't output it as unsigned.
4373 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4375 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4377 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4379 * c-common.c (c_common_nodes_and_builtins): Don't special case
4380 cplus_mode when declaring builtin bzero/bcmp, always avoid
4381 prototype arguments.
4383 2000-03-29 Bruce Korb <bkorb@gnu.org>
4385 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4388 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4390 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4391 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4392 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4393 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4394 (save_fixed_argument_area, restore_fixed_argument_area):
4395 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4396 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4397 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4398 (precompute_register_parameters): Avoid #ifdefs on
4399 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4400 (stire_one_args): Likewise.
4401 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4402 (emit_library_call_value_1): Likewise.
4403 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4404 ACCUMULATE_OUTGOING_ARGS.
4405 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4407 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4408 (use_crosses_set_p): Likewise.
4409 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4410 #define ACCUMULATE_OUTGOING_ARGS 1.
4411 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4413 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4415 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4416 (TARGET_SWITCHES): Add push-args, no-push-args,
4417 accumulate-outgoing-args and no-accumulate-outgoing-args.
4418 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4419 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4420 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4422 (emit_push_insn): Likewise.
4423 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4424 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4425 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4426 (STACK_DYNAMIC_OFFSET): Define correctly for both
4427 ACCUMULATE_OUTGOING_ARGS and normal mode.
4428 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4429 * tm.texi (PUSH_ARGS): Document.
4430 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4432 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4434 * flags.h (flag_optimize_sibling_calls): Declare.
4435 * calls.c (expand_call): Fail sibcall when
4436 !flag_optimize_sibling_calls
4437 * invoke.texi (flag_optimize_sibling_calls): Document.
4438 * toplev.c (flag_optimize_sibling_calls): New global variable.
4439 (f_options): Add flag_optimize_sibling_calls.
4440 (rest_of_compilation): Conditionize
4441 optimize_sibling_and_tail_recursive_calls by
4442 flag_optimize_sibling_calls.
4443 (main): Set flag_optimize_sibling_calls for -O2.
4444 * stmt.c (expand_return): Conditionize tail recursion by
4445 flag_optimize_sibling_calls.
4447 2000-03-29 Richard Henderson <rth@cygnus.com>
4449 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4450 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4452 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4454 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4456 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4458 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4460 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4461 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4462 * config/rs6000/aix.h: then modified likewise.
4464 2000-03-28 Richard Henderson <rth@cygnus.com>
4466 * rtl.h: Redistribute enum reg_note documentation.
4467 Kill trailing whitespace.
4468 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4469 Kill trailing whitespace.
4471 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4473 * cppfiles.c (hash_IHASH): Just return i->hash.
4474 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4475 htab_find_with_hash.
4476 (cpp_read_file): Likewise.
4477 (find_include_file): Likewise. Properly initialize
4478 ih->nshort. Share ih->name and ih->nshort if possible.
4479 * cpphash.c (_cpp_calc_hash): New function.
4480 (hash_HASHNODE): Just return h->hash.
4481 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4482 htab_find_with_hash.
4483 * cpphash.h: Prototype _cpp_calc_hash.
4484 * cppinit.c (initialize_builtins): Provide a valid hash
4485 to _cpp_make_hashnode, using _cpp_calc_hash.
4487 * cpphash.c (collect_expansion): # is not a special character
4488 in object-like macros. In -traditional mode, /**/ is not
4489 token paste at the beginning or end of the line.
4490 * cpplib.c (do_include, do_import, do_include_next): If
4491 parse_include fails, return immediately.
4493 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4495 * config/arm/arm.md (return peepholes): Update to reflect the new
4497 * config/arm/arm.c (arm_volatile_func): Also check
4498 current_function_nothrow.
4499 (output_return_instruction, output_func_prologue): Use it.
4500 (arm_output_epilogue, arm_expand_prologue): Likewise.
4502 2000-03-27 Tom Tromey <tromey@cygnus.com>
4504 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4507 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4509 * expr.c (store_constructor): SIZE now signed.
4510 For EXPR_SIZE, don't evaluate size; just needed if constant.
4511 * fold-const.c (fold): Fix a number of cases when folded tree is
4513 * function.c (flush_addressof): Reenable.
4514 * tree.h (flush_addressof): Likewise.
4515 * toplev.c (independent_decode_option): Look at strings_processed.
4516 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4518 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4520 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4521 Allow stack adjustment after function call.
4523 * regmove.c (struct csa_memlist): Make mem field rtx *.
4524 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4525 (try_apply_stack_adjustment): Replace whole MEM rtx.
4526 (combine_stack_adjustments_for_block): Update calls
4527 to record_one_stack_ref.
4529 2000-03-28 Neil Booth <NeilB@earthling.net>
4531 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4532 '\\' rather than a null character, so nulls are not special. Fix
4533 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4534 speed trigraph conversion.
4535 (_cpp_init_input_buffer): Initialize trigraph map.
4537 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4539 * config/i386/i386.c (output_387_binary_op): Correct intel
4540 mode assembly output, and add spaces after commas in AT&T
4541 output. Correct Unixware assembler comment. Document input
4542 constraints. Comment fp operations. Reduce profligate buffer
4543 size. Remove extraneous abort. Localize temp var.
4544 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4545 (output_fix_trunc): Add spaces after commas in assembly output.
4547 2000-03-27 Richard Henderson <rth@cygnus.com>
4549 * i386-protos.h (ix86_match_ccmode): Declare.
4550 * i386.c (ix86_match_ccmode): New.
4551 (ix86_expand_fp_compare): Update for pattern renames.
4552 (ix86_expand_strlensi_unroll_1): Likewise.
4553 * i386.h (EXTRA_CC_MODES): Add CCZ.
4554 (SELECT_CC_MODE): Use it for EQ/NE zero.
4555 * i386.md (cmpsi_ccz_1): New.
4557 (*testsi_ccz_1): New.
4558 (testqi_ccz_1): New.
4559 (cmpsi_ccno_1): Rename from cmpsi_0.
4560 (testsi_ccno_1): Rename from testsi_1.
4561 (testqi_ccno_1): Rename from testqi_1.
4562 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4563 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4564 (*cmphi_0): Use ix86_match_ccmode.
4565 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4566 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4567 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4568 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4569 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4570 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4571 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4572 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4573 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4574 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4575 (appropriate peepholes): Likewise.
4576 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4577 (*subsi_3, *subhi_3, *subqi_3): Remove.
4578 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4579 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4580 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4581 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4582 (x86_shift_adj_1): Use CCZ.
4583 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4585 2000-03-27 Stan Cox <scox@cygnus.com>
4587 * resource.h (mark_resource_type): New.
4588 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4589 find_free_register): Use mark_resource_type.
4590 (mark_set_resources): Change include_delayed_effects
4591 to mark_resource_type.
4592 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4593 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4594 Use mark_resource_type.
4596 2000-03-27 Richard Henderson <rth@cygnus.com>
4598 * i386.md (call_pop_0, call_value_pop_0): New.
4599 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4600 (call_value_pop_1): Likewise.
4601 (call_0, call_value_0): New.
4602 (call_1, call_value_1): Remove constraint from unused arg.
4604 2000-03-27 Nick Clifton <nickc@cygnus.com>
4606 * invoke.texi (Spec Files): Document new spec % command created by
4607 Tom Tromey's recent patch.
4609 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4611 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4614 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4616 * expr.c (expand_assignment): Fix typo in last change.
4618 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4620 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4622 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4623 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4624 and DECL_INLINE if FUNCTION_DECL.
4625 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4626 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4627 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4628 (combine_parm_decls): Likewise.
4629 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4630 * print-tree.c (print_node): Likewise.
4631 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4632 DECL_TRANSPARENT_UNION on proper decl types.
4633 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4634 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4635 DECL_BIT_FIELD of FIELD_DECL.
4636 * tree.h (DECL_RESULT_FLD): New macro.
4638 * expr.c (expand_assignment): Add code to handle variable-sized
4641 2000-03-26 Richard Henderson <rth@cygnus.com>
4643 * calls.c (expand_call): Pass parms not original exp to
4644 optimize_tail_recursion. Mind return value instead of looking
4646 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4647 call_expr. Move checks for call_expr and current_function_decl ...
4648 (expand_return): ... here.
4650 2000-03-26 Tom Tromey <tromey@cygnus.com>
4652 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4653 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4655 (process_command): Use them.
4656 (check_live_switch): Likewise.
4657 (give_switch): Skip ignored switches.
4659 2000-03-26 Jan Hubicka <jh@suse.cz>
4661 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4662 for minimal jump pass test.
4664 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4666 * integrate.c (function_cannot_inline_p): Do inline functions that
4669 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4671 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4672 now a list of TREE_LIST entries, not types.
4673 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4675 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4676 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4678 * config/mips/mips.c (function_arg): Likewise; also remove cast
4679 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4680 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4681 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4682 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4683 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4684 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4685 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4686 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4687 num_adjusts now unsigned.
4688 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4689 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4691 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4692 as is BITPOS variable; use host_integerp and int_bit_position.
4693 (function_arg_record_value_2): Likewise.
4694 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4695 Variable REGNO now unsigned.
4696 (function_arg_record_value): NREGS now unsigned.
4698 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4700 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4702 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4704 * Rework fields used to describe positions of bitfields and
4705 modify sizes to be unsigned and use HOST_WIDE_INT.
4706 * alias.c (reg_known_value_size): Now unsigned.
4707 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4708 (really_start_incremental_init): Use bitsize_zero_node.
4709 (push_init_level, pop_init_level, output_init_element): Likewise.
4710 Use bitsize_unit_node and bitsize_one_node.
4711 (output_pending_init_elements, process_init_element): Likewise.
4712 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4713 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4714 HOST_WIDE_INT, respectively.
4715 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4716 (num_sign_bit_copies): Returns unsigned.
4717 BITWIDTH now unsigned; rework arithmetic.
4718 Remove recursive call from arg to MAX.
4719 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4720 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4722 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4723 (find_split_point, expand_compound_operation, make_extraction): LEN
4724 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4725 (make_field_assignment): Likewise.
4726 (combine_simplify_rtx): Add cast.
4727 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4728 (force_to_mode): WIDTH now unsigned; add cast.
4729 (if_then_else_cond): SIZE now unsigned.
4730 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4731 (extended_count): Now returns unsigned.
4732 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4733 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4734 (simplify_comparison): MODE_WIDTH now unsigned.
4735 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4736 (mark_used_regs_combine): Likewise; rework arithmetic.
4737 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4738 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4739 (record_promoted_value): REGNO now unsigned.
4740 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4741 (get_last_value): REGNO now unsigned.
4742 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4743 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4744 (remove_death): Arg REGNO now unsigned.
4745 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4746 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4748 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4749 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4750 (struct cse_reg_info): REGNO now unsigned.
4751 (cached_regno): Now unsigned.
4752 (REGNO_QTY_VALID_P): Add cast.
4753 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4754 (remove_invalid_regs): Likewise.
4755 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4756 as are variables END and I.
4757 (get_cse_reg_info, insert): Likewise.
4758 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4759 (canon_hash): Likewise.
4760 (insert_regs, lookup_for_remove): REGNO now unsigned.
4761 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4763 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4764 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4765 * emit-rtl.c (subreg_realpart_p): Add cast.
4766 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4767 (operand_subword_force): Arg I is now unsigned.
4768 * except.c (eh_regs): Variable I is now unsigned.
4769 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4770 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4771 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4772 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4773 (extract_split_bit_field, store_bit_field, extract_bit_field):
4775 * expr.c (store_constructor_fields, store_constructor, store_field):
4776 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4777 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4778 (do_jump): Likewise.
4779 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4780 MAX_SIZE is now unsigned.
4781 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4782 (emit_group_store): Likewise.
4783 (emit_move_insn): I now unsigned.
4784 (store_constructor): Use host_integerp, tree_low_cst, and
4786 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4787 Rework all calculations to use trees and new fields.
4788 * expr.h (promoted_input_arg): Regno now unsigned.
4789 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4790 (mark_seen_cases): Arg is HOST_WIDE_INT.
4791 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4792 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4793 precisions and alignments are unsigned.
4794 (optimize_bit_field_compare, fold_truthop): Likewise.
4795 (int_const_binop): Adjust threshold for size_int_type_wide call.
4796 (fold_convert): Likewise.
4797 (size_int_type_wide): Make table larger and fix thinko that only
4798 had half of table used.
4799 (all_ones_mask_p, fold): Precisions are unsigned.
4800 * function.c (put_reg_info_stack): REGNO is unsigned.
4801 (instantiate_decl): Size is HOST_WIDE_INT.
4802 (instantiate_virtual_regs): I is unsigned.
4803 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4804 (promoted_input_arg): REGNO is unsigned.
4805 * function.h (struct function): x_max_parm_reg is now unsigned.
4806 * gcse.c (max_gcse_regno): Now unsigned.
4807 (struct null_pointer_info): min_reg and max_reg now unsigned.
4808 (lookup_set, next_set): REGNO arg now unsigned.
4809 (compute_hash_table): REGNO and I now unsigned.
4810 (handle_avail_expr): regnum_for_replacing now unsigned.
4811 (cprop_insn): REGNO now unsigned.
4812 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4813 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4814 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4815 * hard-reg-set.h (reg_class_size): Now unsigned.
4816 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4817 * jump.c (mark_modified_reg): I now unsigned; add cast.
4818 (rtx_equal_for_thread_p): Add cast.
4819 * loop.c (max_reg_before_loop): Now unsigned.
4820 (struct_movable): REGNO now unsigned.
4821 (try_copy_prop): REGNO arg unsigned.
4822 (regs_match_p): XN and YN now unsigned.
4823 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4824 (strength_reduce): Likewise; NREGS also unsigned.
4825 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4826 * loop.h (struct iv_class): REGNO now unsigned.
4827 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4829 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4830 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4831 * optabs.c (expand_binop): I and NWORDS now unsigned.
4832 (expand_unop): I now unsigned.
4833 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4834 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4835 * real.c (significand_size): Now returns unsigned.
4836 * real.h (significand_size): Likewise.
4837 * regclass.c (reg_class_size): Now unsigned.
4838 (choose_hard_reg_mode): Both operands now unsigned.
4839 (record_reg_classes): REGNO and NR now unsigned.
4840 (reg_scan): NREGS now unsigned.
4841 (reg_scan_update): old_max_regno now unsigned.
4842 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4843 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4844 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4845 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4846 Likewise for variable R.
4847 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4848 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4849 (find_equiv_reg): Add casts.
4850 (regno_clobbered_p): Arg REGNO now unsigned.
4851 * reload.h (struct reload): NREGS now unsigned.
4852 (refers_to_regno_for_reload_p): Regno args are unsigned.
4853 (regno_clobbered_p): Likewise.
4854 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4855 (compute_use_by_pseudos): REGNO now unsigned.
4856 (find_reg): I and J now unsigned, new variable K, and change loop
4857 variables accordingly; THIS_NREGS now unsigned.
4858 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4859 (spill_hard_reg): REGNO arg now unsigned; add casts.
4860 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4861 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4862 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4863 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4864 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4865 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4866 (emit_reload_insns): REGNO now unsigned.
4867 (reload_cse_move2add): Add cast.
4868 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4870 * resource.c (mark_referenced_resources, mark_set_resources): New
4871 variable R; REGNO and LAST_REGNO now unsigned.
4872 (mark_target_live_regs): J and REGNO now unsigned.
4873 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4874 * rtl.h (union rtunion_def): New field rtuint.
4875 (XCUINT): New macro.
4876 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4877 (operand_subword, operand_subword_force): Word number is unsigned.
4878 (choose_hard_reg_mode): Operands are unsigned.
4879 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4880 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4881 (regno_use_in, combine_instructions, remove_death): Likewise.
4882 (reg_scan, reg_scan_update): Likewise.
4883 (extended_count): Return is unsigned.
4884 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4885 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4886 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4887 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4888 (reg_reg_last_1): FIRS and LAST now unsigned.
4889 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4890 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4892 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4893 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4894 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4895 (replace_regs): Arg NREGS now unsigned.
4896 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4897 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4898 (simplify_binary_operation): Likewise.
4899 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4900 THIS_LAST now unsigned.
4901 (cselib_record_set): Add cast.
4902 * ssa.c (ssa_max_reg_num): Now unsigned.
4903 (rename_block): REGNO now unsigned.
4904 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4906 (all_cases_count): Just return -1 not -2.
4907 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4908 Rework tests to use trees whenever possible.
4909 Use host_integerp and tree_low_cst.
4910 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4911 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4912 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4913 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4914 (smallest_mode_for_size): Likewise.
4915 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4916 KNOWN_ALIGN is now an alignment, so simplify code.
4917 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4918 (start_record_layout): Renamed from new_record_layout_info.
4919 Update to new fields.
4920 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4922 (place_union_field): Renamed from layout_union_field.
4923 Update to use new fields in rli.
4924 (place_field): Renamed from layout_field.
4925 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4926 (finalize_record_size): Rework to use new fields in rli and handle
4928 (compute_record_mode): Rework to simplify and to use new DECL fields.
4929 (finalize_type_size): Make rounding more consistent.
4930 (finish_union_layout): Deleted.
4931 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4932 (layout_type, case RECORD_TYPE): Call new function names.
4933 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4934 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4935 (get_best_mode): UNIT is now unsigned; remove casts.
4936 * tree.c (bit_position): Compute from new fields.
4937 (byte_position, int_byte_position): New functions.
4938 (print_type_hash_statistics): Cast to remove warning.
4939 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4940 (build_index_type): Likewise; make subtype of sizetype.
4941 (build_index_2_type): Pass sizetype to build_range_type.
4942 (build_common_tree_nodes): Use size_int and bitsize_int to
4943 initialize nodes; add bitsize_{zero,one,unit}_node.
4944 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4945 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4946 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4947 (DECL_FIELD_BITPOS): Deleted.
4948 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4949 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4950 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4951 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4952 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4953 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4954 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4955 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4956 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4957 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4958 (DECL_ALIGN): Adjust to new field in union.
4959 (DECL_OFFSET_ALIGN): New field.
4960 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4961 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4962 (union tree_decl): Add struct for both aligns.
4963 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4964 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4965 (struct record_layout_info): Rework fields to have offset
4966 alignment and byte and bit position.
4967 (start_record_layout, place_field): Renamed from old names.
4968 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4969 (byte_position, int_byte_position): Likewise.
4970 (get_inner_reference): Change types of position and length.
4971 * unroll.c (unroll_loop): New variable R; use for some loops.
4972 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4973 (calculate_giv_inc): Arg REGNO now unsigned.
4974 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4975 * varasm.c (assemble_variable): Clean up handling of size using
4976 host_integerp and tree_low_cst.
4977 (decode_addr_const): Use byte, not bit, position.
4978 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4979 use tree_low_cst and int_bit_position.
4980 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4982 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4984 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4985 (reorder_block_def): New members eff_head and eff_end.
4986 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4987 (verify_insn_chain): New function.
4988 (skip_insns_between_block): Add code to skip deleted insns.
4989 Check for note before using.
4990 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4991 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4992 Check for note before using.
4993 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4994 (fixup_reorder_chain): Restructure, clean up, defect removal.
4995 (reorder_basic_blocks): Remove last_insn and references to it.
4996 Moved insn chain verification code into a new function (see above).
4997 Delete defective code that sets last insn.
4998 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
5001 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5003 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
5005 2000-03-24 Richard Henderson <rth@cygnus.com>
5007 * tree.c (lang_safe_for_unsave): Remove.
5008 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
5009 allowing for two levels of unsafeness. Remove lang hook.
5010 * tree.h: Update declarations.
5011 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
5012 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
5013 Always fail sibcalls when there are pending cleanups.
5015 2000-03-24 Geoff Keating <geoffk@cygnus.com>
5017 * flow.c (propagate_block): When we delete an ADDR_VEC,
5018 also delete the BARRIER following it if there is one.
5020 2000-03-24 Richard Henderson <rth@cygnus.com>
5022 * builtins.c (expand_builtin_bzero): Convert `length' argument
5025 2000-03-24 Jakub Jelinek <jakub@redhat.com>
5027 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
5028 comparison if regno's are equal.
5029 * calls.c (initialize_argument_informat): Add ecf_flags argument.
5030 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5031 (expand_call): Update caller.
5032 Avoid making a sibling call if argument size of the callee is larger
5033 than argument size of the caller.
5034 Call hard_function_value with outgoing set if in sibcall pass.
5035 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
5037 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
5038 Change LEAF_REGISTERS from an array initializer to actual array
5039 identifier. Move static global variable into the function.
5040 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
5041 sequences for leaf functions.
5042 * global.c (global_alloc): Likewise.
5043 * tm.texi (LEAF_REGISTERS): Update documentation.
5045 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
5046 TARGET_FLAT leaf disabling hack.
5047 (LEAF_REGISTERS): Changed from an array initializer to actual array
5048 identifier to avoid duplication and remove the above hack.
5049 (FUNCTION_OK_FOR_SIBCALL): Define.
5050 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
5051 always like call attribute.
5052 (eligible_for_sibcall_delay): New attribute.
5053 (sibcall): New delay type.
5054 (sibcall, sibcall_value, sibcall_epilogue): New expands.
5055 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
5056 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
5057 * config/sparc/sparc.c (sparc_leaf_regs): New array.
5058 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
5060 (output_function_epilogue): Move part of the code into
5061 output_restore_regs.
5062 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
5064 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
5067 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
5068 until infrastructure is finished.
5070 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
5072 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
5073 (save_parm_insns): Not here.
5075 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5077 * builtins.c (expand_builtin_bzero): New function.
5078 (expand_builtin): Handle bzero.
5080 * builtins.def: Add BUILT_IN_BZERO.
5082 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5083 prototype & function for bzero.
5085 2000-03-23 Michael Meissner <meissner@redhat.com>
5087 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
5088 change adding TARGET_FP to the TF floating point insns, except for
5089 trunctfsf2, which generates direct calls to truncdfsf2.
5091 2000-03-23 Geoff Keating <geoffk@cygnus.com>
5093 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
5094 try to protect against middle-end changes that break binary
5096 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
5098 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5100 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
5102 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5104 * calls.c (expand_call): If TARGET is passed by reference and
5105 is readonly, write a CLOBBER.
5107 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5109 * builtins.c (expand_builtin): Handle bcmp.
5111 * builtins.def: Add BUILT_IN_BCMP.
5113 * c-common.c (c_common_nodes_and_builtins): Provide builtin
5114 prototype & function for bcmp.
5116 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
5118 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
5119 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
5120 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
5122 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
5124 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
5125 alternative when using -fp64 -gp32.
5127 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5129 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
5130 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
5131 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
5133 * frame.h (frame_state): Revert last change.
5134 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
5135 * libgcc2.c (throw_helper): Revert last change.
5137 2000-03-22 Richard Henderson <rth@cygnus.com>
5139 * stmt.c (expand_asm_operands): Don't promote the temporary.
5141 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5143 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
5144 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
5145 c_get_alias_set): Likewise.
5146 * c-decl.c (duplicate_decls): Likewise.
5147 * c-typeck.c (default_conversion,build_unary_op): Likewise.
5148 * calls.c (initialize_argument_information): Likewise.
5149 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
5151 * dwarfout.c (decl_class_context,output_type): Likewise.
5152 * expr.c (get_inner_reference): Likewise.
5153 * fold-const.c (simple_operand_p,fold): Likewise.
5154 * function.c (aggregate_value_p): Likewise.
5155 * stmt.c (expand_asm_operands): Likewise.
5156 * varasm.c (named_section): Likewise.
5158 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
5160 Implement dwarf2 exception handling for the ARM.
5161 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
5162 (DWARF_FRAME_RETURN_COLUMN): Define.
5163 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
5164 REG_FRAME_RELATED_EXPR note.
5165 (emit_sfm): Likewise.
5166 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
5167 * dwarf2out.c (reg_save): Handle saving a register to itself.
5168 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
5169 * except.c (eh_regs): Don't use the static chain reg if it's
5171 * frame.h (frame_state): Add cfa_saved field.
5172 * frame.c (execute_cfa_insn): Set it.
5173 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
5175 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
5177 (instantiate_virtual_regs): Adjust.
5179 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5180 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
5181 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
5183 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
5184 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
5186 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5188 * builtins.def: New file.
5190 * Makefile.in (TREE_H): Depend on builtins.def.
5192 * builtins.c (built_in_names): Use builtins.def.
5194 * tree.h (built_in_function): Likewise.
5196 2000-03-22 Mark Mitchell <mark@codesourcery.com>
5198 * tree.c (size_in_bytes): Return size_zero_node, not
5201 2000-03-22 Geoff Keating <geoffk@cygnus.com>
5203 * config/fp-bit.c (pack_d): Correct the case when a denormal
5204 is rounded up and stops being denormal.
5206 2000-03-21 Richard Henderson <rth@cygnus.com>
5208 * config/alpha/alpha.c (function_arg): Check for void_type_node
5209 before using MUST_PASS_IN_STACK.
5211 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
5213 * regmove.c (combine_stack_adjustments_for_block): Check that
5214 the stack pointer is a valid memory address.
5216 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
5218 * calls.c: re-install Mar 16 emit_library_call merge.
5220 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5222 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5223 we cannot be sure that if reload_completed base register will
5224 be properly aligned.
5226 2000-03-21 Richard Henderson <rth@cygnus.com>
5228 * flow.c (delete_block): Fix typo last change.
5230 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5232 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5233 not COMPLETE_TYPE_P, to check the type of the expression.
5235 2000-03-21 Michael Meissner <meissner@redhat.com>
5237 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5238 all floating point insns that just tested the macro
5239 TARGET_HAS_XFLOATING_LIBS.
5240 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5241 used to only use the gprs.
5243 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5245 * tree.h (COMPLETE_TYPE_P): New macro.
5246 (COMPLETE_OR_VOID_TYPE_P): New macro.
5247 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5248 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5249 * c-aux-info.c (gen_type): Use them.
5250 * c-common.c (c_expand_expr_stmt): Likewise.
5251 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5252 grokdeclarator, grokparms, finish_struct, start_function,
5253 store_parm_decls, combine_parm_decls): Likewise.
5254 * c-parse.y (cast_expr): Likewise.
5255 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5256 c_size_in_bytes, c_alignof, build_component_ref,
5257 build_indirect_ref, build_array_ref, convert_arguments,
5258 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5259 * calls.c (initialize_argument_information): Likewise.
5260 * convert.c (convert_to_integer): Likewise.
5261 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5262 * dwarfout.c (location_or_const_value_attribute,
5263 output_enumeration_type_die, output_structure_type_die,
5264 output_union_type_die, output_type): Likewise.
5265 * expr.c (safe_from_p, expand_expr): Likewise.
5266 * function.c (assign_parms): Likewise.
5267 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5268 * tree.c (build_array_type, build_function_type,
5269 build_method_type, build_offset_type, build_complex_type): Likewise.
5270 * c-parse.c, c-parse.h: Regenerated.
5272 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5274 * config/c4x/rtems.h: Include config/rtems.h.
5276 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5278 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5279 decl is a FUNCTION_DECL
5281 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5283 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5284 function uses output registers. Don't save RP for leaf functions.
5285 Do save RP even if no epilogue.
5286 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5287 (CALL_USED_REGISTERS): Unmark in registers.
5288 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5291 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5293 * config/rs6000/rs6000.md (bunordered): New expander.
5294 (bordered): New expander.
5295 (buneq): New expander.
5296 (bunge): New expander.
5297 (bungt): New expander.
5298 (bunle): New expander.
5299 (bunlt): New expander.
5300 (bltgt): New expander.
5302 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5303 (ccr_bit_negated_p): New function.
5304 (print_operand): For %C, generate appropriate cror for UNEQ,
5305 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5307 2000-03-20 Andreas Jaeger <aj@suse.de>
5309 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5312 * tree.h (safe_for_unsave): Prototype.
5314 2000-03-20 Richard Henderson <rth@cygnus.com>
5316 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5317 (combine_stack_adjustments_for_block): Don't allow sp references
5318 in the side of a set we're not fixing up.
5319 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5320 after life_analysis.
5322 2000-03-20 Richard Henderson <rth@cygnus.com>
5324 * calls.c (expand_call): Don't bother generating tail call
5325 sequences if there are pending cleanups. Use
5326 expand_start_target_temps/expand_end_target_temps to elide
5327 cleanups created during sibcall expansion.
5329 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5331 * configure.in: Set $IFS to a value if it doesn't already have one
5332 in the --enable-checking handling.
5333 * configure: Regenerate.
5335 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5337 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5338 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5341 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5343 * jump.c (delete_noop_moves): Remove code attempting to
5344 combine stack adjustments.
5346 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5348 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5349 * except.c (emit_cleanup_handler): Use them.
5350 (expand_end_all_catch): Likewise.
5351 * function.c (fixup_var_refs): Likewise.
5352 (expand_function_end): Clear catch_clauses_last.
5353 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5354 * except.h (struct eh_status): New field x_catch_clauses_last.
5355 (catch_clauses_last): New define.
5357 * Makefile.in (tree.o): Depend on HASHTAB_H.
5358 * tree.c: Include hashtab.h.
5359 (struct type_hash): Remove next field.
5360 (TYPE_HASH_SIZE): Remove.
5361 (TYPE_HASH_INITIAL_SIZE): New define.
5362 (type_hash_table): Change type to htab_t.
5363 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5364 mark_hash_entry): New functions.
5365 (init_obstacks): Allocate type hash.
5366 (type_hash_lookup): Use htab functions.
5367 (type_hash_add, mark_type_hash): Likewise.
5368 (dump_tree_statistics): Call print_type_hash_statistics.
5370 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5372 * rs6000/t-aix41: New file.
5374 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5376 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5378 * tm.texi (Driver): Fix typos and tweak entry for
5380 Move misplaced STRUCT_FORCE_BLK entry ...
5381 (Storage Layout): ... to here.
5382 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5384 2000-03-19 Richard Henderson <rth@cygnus.com>
5386 * flow.c (delete_block): Delete the addr_vec along with the block.
5387 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5390 * fold-const.c (extract_muldiv): Apply type check for defined
5391 overflow to multiply as well as divide.
5393 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5395 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5397 * emit-rtl.c (remove_unncessary_notes): Check that all
5398 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5399 associated NOTE_BLOCK.
5400 * function.h (identify_blocks): Update comments.
5401 (reorder_blocks): Declare.
5402 * function.c (identify_blocks): Don't take paramters.
5403 (reorder_blocks): Don't take parameters.
5404 * loop.h (find_loop_tree_blocks): Remove.
5405 (unroll_block_trees): Likewise.
5406 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5407 reorder_blocks instead of unroll_block_trees.h
5408 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5409 * stmt.c (find_loop_tree_blocks): Remove.
5410 (unroll_block_trees): Likewise.
5411 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5412 in whole-function mode.
5413 * tree.h (reorder_blocks): Remove declaration.
5415 * expr.c: Include intl.h.
5416 * Makefile.in (expr.o): Depend on intl.h.
5418 2000-03-18 Richard Henderson <rth@cygnus.com>
5420 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5422 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5424 * tree.h (tree_index): Remove enumerals for integer types.
5425 (integer_type_kind): New type.
5426 (integer_types): New variable.
5427 (char_type_node): Adjust.
5428 (signed_char_type_node): Likewise.
5429 (unsigned_char_type_node): Likewise.
5430 (short_integer_type_node): Likewise.
5431 (short_unsigned_type_node): Likewise.
5432 (integer_type_node): Likewise.
5433 (unsigned_type_node): Likewise.
5434 (long_integer_type_node): Likewise.
5435 (long_unsigned_type_node): Likewise.
5436 (long_long_integer_type_node): Likewise.
5437 (long_long_unsigned_type_node): Likewise.
5438 * tree.c (integer_types): New variable.
5439 (init_obstacks): Register it as a root.
5441 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5443 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5444 NEXT_INSN. Update last insn in chain.
5446 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5448 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5449 with TYPE_DECL_SUPPRESS_DEBUG set.
5451 2000-03-18 Richard Henderson <rth@cygnus.com>
5453 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5455 2000-03-18 Richard Henderson <rth@cygnus.com>
5457 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5458 care for HALF_PIC_P.
5459 (expander_call_insn_operand): Remove.
5460 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5461 * i386.h (PREDICATE_CODES): Update.
5462 * i386.md (all call expanders): Remove predicates, remove special
5463 handling for half-pic.
5464 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5465 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5466 (sibcall_epilogue): New.
5468 2000-03-17 Richard Henderson <rth@cygnus.com>
5470 * rtlanal.c (single_set): Reject if the parallel has anything
5471 except SET or USE or CLOBBER.
5473 2000-03-17 Jeff Law <law@cygnus.com>
5474 Richard Henderson <rth@cygnus.com>
5476 * Makefile.in (OBJS): Add sibcall.o.
5478 * sibcall.c: New file.
5479 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5480 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5481 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5482 Emit sibcall patterns when requested. Update all callers.
5483 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5484 elimination seems feasable.
5485 * final.c (leaf_function_p): Sibling calls don't discount being
5487 * flow.c (HAVE_sibcall_epilogue): Provide default.
5488 (find_basic_blocks_1): Sibling calls don't throw.
5489 (make_edges): Make edge from sibling call to EXIT.
5490 (propagate_block): Don't remove sibcall_epilogue insns.
5491 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5492 (sibcall_epilogue): New.
5493 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5494 (identify_blocks_1): Likewise. Break out from ...
5495 (identify_blocks): ... here.
5496 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5497 (reorder_blocks): ... here.
5498 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5499 (record_insns): Extend a varray instead of mallocing new memory.
5500 (contains): Read a varray not array of ints.
5501 (sibcall_epilogue_contains): New.
5502 (thread_prologue_and_epilogue_insns): Emit and record
5503 sibcall_epilogue patterns.
5504 (init_function_once): Allocate prologue/epilogue varrays.
5505 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5506 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5508 (save_for_inline_nocopy): ... here.
5509 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5511 (expand_inline_function): ... here.
5512 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5513 (subst_constants): Handle 'n' formats.
5514 * jump.c (jump_optimize_minimal): New.
5515 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5516 optimizations if it's set.
5517 * rtl.c (copy_rtx): Do copy jump & call for insns.
5518 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5519 (SIBLING_CALL_P): New.
5520 (sibcall_use_t): New.
5521 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5522 Invoke optimize_sibling_and_tail_recursive_calls.
5523 * tree.c (lang_safe_for_unsave): New.
5524 (safe_for_unsave): New.
5525 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5527 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5528 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5529 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5531 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5533 * objc/objc-act.c (encode_method_prototype): Pass types, not
5534 PARM_DECLs, to int_size_in_bytes.
5536 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5538 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5540 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5541 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5543 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5545 * Clean up usages of TREE_INT_CST_LOW.
5546 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5547 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5549 * c-tree.h (min_precision): Move declaration to here.
5550 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5551 (build_unary_op, add_pending_init): Use bit_position.
5552 (pending_init_member, process_init_element): Likewise.
5553 (really_start_incremental_init, push_init_level, pop_init_level):
5554 Don't make copies of nodes or modify them in place, use consistent
5555 types when tracking positions, and use tree routines computations.
5556 (set_init_index, output_init_element): Likewise.
5557 (output_pending_init_elements, process_init_element): Likewise.
5558 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5559 tree_low_cst and int_bit_position; also minor cleanup.
5560 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5561 (print_cst_octal): Precision is unsigned.
5562 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5563 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5564 (simple_type_align_in_bits): Result is unsigned int.
5565 Use tree_int_low_cst and host_integerp.
5566 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5567 (field_byte_offset): Result is HOST_WIDE_INT.
5568 Change types of internal variables so alignments are unsigned int,
5569 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5570 Use host_integerp, tree_low_cst, and int_bit_position.
5571 (add_bit_offset_attribute): Likewise.
5572 (add_data_member_location_attribute): Use tree_cst_low.
5573 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5574 (add_bit_size_attribute): Use tree_low_cst.
5575 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5576 * dwarfout.c: Similar changes to dwarf2out.c.
5577 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5578 * genoutput.c (n_occurences): Return -1 for null string.
5579 (strip_whitespace): Accept null string and make into function.
5580 (scan_operands): Reflect above changes.
5581 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5582 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5583 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5584 * tree.c (int_size_in_bytes): Check for too big to represent.
5585 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5586 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5588 (min_precision): Delete from here.
5589 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5590 and int_bit_position.
5591 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5592 (encode_method_def): Likewise.
5593 (build_ivar_list_initializer): Use int_bit_position.
5594 (generate_shared_structures): Convert size.
5595 (encode_type, encode_complete_bitfield): Use integer_zerop.
5596 (encode_bitfield): Use tree_low_cst and int_bit_position.
5598 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5600 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5602 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5604 * call.c (special_function_p): It is only malloc if it returns
5607 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5609 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5610 (C33_FLAG, TARGET_C3X): Add macros.
5611 (TARGET_SWITCHES): Add -m33 option.
5612 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5614 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5616 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5617 (PARALLEL_PACK_FLAG): Delete.
5618 (TARGET_SWITCHES): Update.
5619 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5621 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5623 * fold-const.c (fold): Fix a few cases when the returned result
5624 is not of the same type as the input.
5626 2000-03-16 Nick Clifton <nickc@cygnus.com>
5628 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5631 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5633 * libgcc2.h: Move prototypes above macros with the same name.
5634 Wrap some function prototypes in the conditional which indicates
5635 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5637 2000-03-16 Richard Henderson <rth@cygnus.com>
5639 * calls.c: Revert last two changes.
5641 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5643 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5644 has exponent 0 is a zero.
5646 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5647 HASH may already be nonzero. Add code/mode into hash value
5648 immediately after repeat label.
5649 (cselib_lookup): Don't leave the hash table in an inconsistent
5650 state before a hash lookup operation.
5652 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5654 * i386.md (all HI and QI mode non-move patterns): Conditionize
5655 by TARGET_[HQ]IMODE_MATH.
5656 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5657 x86_promote_qi_regs): Declare.
5658 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5659 TARGET_PROMOTE_QI_REGS): New macros.
5660 (PROMOTE_MODE): New macro.
5661 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5662 x86_promote_qi_regs): New global variables.
5664 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5666 * calls.c (emit_library_call_value_1): Break out from ...; handle
5667 VOIDmode function calls too.
5668 (emit_library_call_value): ... here.
5669 (emit_library_call): Implement by calling emit_library_call_value_1.
5671 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5673 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5674 Update arg_space_so_far on stack adjustments.
5675 (emit_library_call, emit_library_call_value): Likewise; take into
5676 account arg_space_so_far and pending_stack_adjust when calculcating
5679 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5681 * flow.c: Move all basic block reordering code into its own file.
5682 (create_basic_block): Externalize.
5683 * bb-reorder.c: New file. Copy all basic block reordering code from
5684 flow.c to this file.
5685 (reorder_basic_blocks): Fix fencepost error in for-loop.
5686 (reorder_basic_blocks): Remove braces from single statement for-loops.
5687 * basic-block.h: Add declaration for create_basic_block.
5688 * Makefile.in: Add rules for bb-reorder.o.
5690 2000-03-16 Neil Booth <NeilB@earthling.net>
5692 * cppinit.c (handle_option): Implement #unassert directive
5693 as -A- command line option.
5694 (print_help): Update.
5695 * cpptexi.c: Update.
5697 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5699 * md.texi (Standard Names): Document `jump'.
5701 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5703 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5706 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5708 Merge changes from newppc-branch onto trunk.
5710 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5712 * rs6000.c (toc_hash_table): Update for new hash table functions.
5713 (toc_hash_function): Likewise.
5714 (toc_hash_eq): Likewise.
5715 (toc_hash_mark_entry): Likewise.
5716 (toc_hash_mark_table): Likewise.
5717 (output_toc): Likewise.
5718 (rs6000_add_gc_roots): Likewise.
5720 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5722 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5723 (AR_FLAGS_FOR_TARGET): here. New macro.
5725 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5727 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5728 fpmem_operand) Delete.
5730 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5731 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5732 (rs6000_save_machine_status, rs6000_restore_machine_status,
5733 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5734 references to above variables.
5735 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5736 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5737 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5738 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5739 (XER_REGNO_P, XER_REGNO): New.
5740 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5741 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5742 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5744 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5745 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5746 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5748 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5750 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5751 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5752 * rs6000.h: from here.
5754 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5755 (rs6000_select_rtx_section): Likewise.
5756 (rs6000_encode_section_info): Likewise.
5757 (sdata_section): Likewise.
5758 (sdata2_section): Likewise.
5759 (sbss_section): Likewise.
5760 * sysv4.h (rs6000_select_section): Delete prototype.
5761 (rs6000_select_rtx_section): Likewise.
5762 (rs6000_encode_section_info): Likewise.
5763 (sdata_section): Likewise.
5764 (sdata2_section): Likewise.
5765 (sbss_section): Likewise.
5766 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5768 * sysv4.h: Delete various unnecessary #undef's and put a comment
5769 on the remaining ones.
5770 Change various comments according to coding standard.
5772 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5774 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5775 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5776 (CR0_REGNO_P) Remove.
5777 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5778 setup_incoming_varargs, mtcrf_operation, print_operand,
5779 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5780 Use the above macros.
5782 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5784 * config/rs6000/rs6000.md: Added a new alternative for each
5785 pattern that had a 'x' alternative but no 'y' alternative.
5786 Added a new split for each of the above patterns.
5788 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5790 * aix41.h (ASM_CPU_SPEC): Delete.
5791 (CPP_CPU_SPEC): Delete.
5793 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5794 (ASM_OUTPUT_LABEL): Define.
5795 (ASM_GLOBALIZE_LABEL): Define.
5796 (STRIP_NAME_ENCODING): Define.
5797 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5798 (STRIP_NAME_ENCODING): Don't define.
5799 (ASM_OUTPUT_LABEL): Don't define.
5800 (ASM_GLOBALIZE_LABEL): Don't define.
5801 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5802 names, and ASM_OUTPUT_LABEL to output labels, rather than
5804 (ASM_OUTPUT_LABEL): Define.
5805 (ASM_OUTPUT_INT): Use assemble_name.
5806 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5807 (STRIP_NAME_ENCODING): Don't undefine first.
5808 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5810 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5811 specified with 'asm' even with -fleading-underscore.
5812 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5813 (output_epilog): Likewise.
5814 (output_toc): Likewise.
5815 * tramp.asm: Handle -fleading-underscore correctly.
5817 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5819 (nonlocal_goto_receiver): Delete.
5820 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5822 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5823 (SET_ASM_OP): Define.
5824 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5826 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5829 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5830 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5832 * rs6000.h: Add 'u' to more constants.
5834 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5836 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5838 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5840 * rs6000.c (reg_or_u_cint_operand): New function.
5841 (logical_operand): Handle 64-bit hosts.
5842 (logical_u_operand): New function.
5843 (non_logical_cint_operand): Handle 64-bit hosts.
5844 (non_logical_u_cint_operand): New function.
5845 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5846 (PREDICATE_CODES): Define new functions.
5847 * rs6000-protos.h: Declare new functions.
5848 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5849 (movdi_64): Bracket code intended for 64-bit hosts. Create
5850 CONST_DOUBLE for 32-bit values.
5851 (scc insns): Generate DImode compares.
5852 (mfcr insns): Create DImode versions.
5853 (sge matchers): New patterns.
5855 2000-02-15 Gabriel Paubert <paubert@iram.es>
5857 * rs6000.md: Correct instructions length attributes and
5858 constraints on unsigned compare instructions.
5859 (*ne0): Disable for PowerPC64.
5861 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5863 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5864 quantity, fix profile1.C test failure under -fPIC.
5866 * rs6000.c: Add 'u' to many constants to suppress warnings.
5867 (constant_pool_expr_1): Make static.
5868 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5869 * rs6000.h: Add 'u' to many constants to suppress warnings.
5871 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5872 for the start of the TOC, instead of LCTOC..0.
5873 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5875 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5876 (load_toc_aix_di): Use LCTOC..1.
5878 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5879 * rs6000.c (rs6000_legitimize_address): New function from
5880 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5881 symbols in the constant pool that really are TOC references.
5882 (print_operand_address): For ELF, write TOC offsets under
5883 -fPIC as subtractions in the insn.
5884 (output_toc): For ELF, define symbols in TOC as normal labels,
5886 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5887 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5888 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5889 * rs6000.md (movsi): Only use create_TOC_reference on
5890 symbols in the constant pool that really are TOC references.
5892 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5893 * rs6000.c (rs6000_reorg): Delete.
5894 * rs6000-protos.h (rs6000_reorg): Delete.
5896 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5898 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5900 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5901 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5902 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5903 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5904 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5905 rs6000_aix_emit_builtin_unwind_init.
5906 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5907 rs6000_emit_eh_toc_restore on AIX.
5908 (return_eh_si): Use r2.
5909 (return_eh_di): Use r2.
5911 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5912 since we're breaking binary compatibility anyway.
5914 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5916 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5917 constant_pool_expr_p): Declare them.
5918 (constant_pool_expr_p): Declare it.
5919 * config/rs6000/rs6000.c (toc_label_name): Define.
5920 (rs6000_override_options): Set toc_label_name.
5921 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5922 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5923 uses_TOC): New functions.
5924 (print_operand): Delete old '*' case.
5925 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5926 and strip off rtl for TOC before calling output_addr_const.
5927 (rs6000_emit_load_toc_table): Use toc_label_name.
5928 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5930 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5931 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5932 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5933 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5934 into explicit TOC_REGISTER offsets.
5935 (TOC_REGISTER): New macro.
5936 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5937 TARGET_TOC to reference TOC_REGISTER.
5938 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5939 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5940 uses_TOC before emitting label references.
5942 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5944 * rs6000.md (stack_tie): Fix warning.
5946 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5947 to handle -fleading-underscore.
5948 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5949 (USER_LABEL_PREFIX): New macro.
5950 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5951 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5952 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5953 call-linux can use the same multilibs.
5954 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5955 and call-linux multilibs. Do multilib with -fleading-underscore.
5956 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5957 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5960 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5961 have MASK_SOFT_FLOAT set.
5962 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5963 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5964 CPP_FLOAT_DEFAULT_SPEC.
5966 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5967 * rs6000.md: Whitespace change.
5968 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5969 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5971 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5973 * rs6000.md (eh_epilogue): New expander.
5974 (eh_reg_restore): New expand/split/insn combination.
5975 (return_eh_si): New insn.
5976 (return_eh_di): New insn.
5978 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5979 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5980 * eabi-ctors.c (__do_global_ctors): Register this object's
5981 frame. Clean up. Call atexit() after the constructors.
5982 (__do_global_dtors): Deregister this object's frame. Clean up.
5983 Allow for recursive calls to exit().
5984 * rs6000.c (fixuplabelno): New variable.
5985 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5986 TARGET_RELOCATABLE, it slows down exec() under linux.
5987 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5989 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5990 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5991 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5992 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5993 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5994 (ASM_OUTPUT_DWARF_ADDR): New macro.
5995 (ASM_OUTPUT_DWARF_DATA4): New macro.
5996 (ASM_OUTPUT_DWARF_DATA2): New macro.
5997 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5998 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5999 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
6001 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6003 * rs6000.c (rs6000_sr_alias_set): New variable.
6004 (rs6000_override_options): Initialise rs6000_sr_alias_set.
6005 (rs6000_emit_stack_tie): New function.
6006 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
6007 in a way that dwarf2out can understand.
6008 (rs6000_frame_related): New function.
6009 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
6010 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
6011 Use rs6000_emit_stack_tie when needed.
6012 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
6013 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
6014 * rs6000.md (stack_tie): New insn.
6015 (return_internal_si): Allow return value to be in the count
6017 (return_internal_di): Likewise.
6019 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
6021 2000-02-03 Geoff Keating <geoffk@cygnus.com>
6023 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
6025 2000-01-31 Geoff Keating <geoffk@cygnus.com>
6027 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
6029 * rs6000.md (stmw): Use the right POWER opcode.
6032 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6034 * rs6000-protos.h: New file.
6036 * rs6000.c: Include tm_p.h. Fix compile time warnings.
6038 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
6041 * sysv4.h: Likewise.
6043 2000-01-28 Geoff Keating <geoffk@cygnus.com>
6045 * ../../configure.in: Delete powerpcle-*-winnt*
6046 and powerpcle-*-pe|powerpcle-*-cygwin*.
6047 * ../../configure: Regenerated.
6049 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
6050 (TARGET_WINDOWS_NT): Delete.
6052 (CALL_NT_DLLIMPORT): Delete.
6053 Delete NT-specific code.
6054 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
6057 * nt-ci.asm: Delete.
6058 * nt-cn.asm: Delete.
6059 * ntstack.asm: Delete.
6061 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6063 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
6064 (ASM_FILE_START): Likewise.
6065 (ASM_DECLARE_FUNCTION_NAME): Likewise.
6066 (ASM_OUTPUT_LABELREF): Likewise.
6067 (ASM_OUTPUT_SKIP): Likewise.
6068 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
6069 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6070 (ASM_OUTPUT_CASE_LABEL): Likewise.
6071 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
6072 (ASM_OUTPUT_ASCII): Likewise.
6074 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
6076 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
6077 reload_toc_labelno for non-prologue TOC reloads. Also, don't
6078 increment rs6000_pic_labelno here.
6079 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
6080 and increment rs6000_pic_labelno here.
6082 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
6084 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
6085 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
6086 allocation knows (reg) is dead before the insn.
6088 2000-01-21 Geoff Keating <geoffk@cygnus.com>
6090 * rs6000.md (movsi_to_cr): Correct typo in output template.
6092 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6094 * rs6000.c (rs6000_pic_labelno): Always define.
6095 (rs6000_pic_func_labelno): Delete.
6096 (lmw_operation): Check for a zero base register,
6097 which doesn't mean what we want.
6098 (stmw_operation): New function.
6099 (print_operand): Define new 'l' modifier.
6100 (rs6000_stack_info): We must save all 64 bits of the registers
6101 if TARGET_POWERPC64.
6102 (rs6000_output_load_toc_table): Delete.
6103 (rs6000_emit_load_toc_table): New function.
6104 (rs6000_allocate_stack_space): Delete.
6105 (rs6000_emit_allocate_stack): New function.
6106 (rs6000_emit_prologue): New function.
6107 (output_prolog): Use rs6000_emit_prologue.
6108 (rs6000_emit_epilogue): Change a few variable names to be
6109 more accurate. Restore all 64 bits of the registers if
6110 TARGET_POWERPC64. Only restore the FP registers which were used
6111 if they are being saved/restored one-at-a-time.
6112 (output_mi_thunk): Delete inefficient code generation.
6113 (output_function_profiler): Don't use rs6000_output_load_toc_table.
6114 * rs6000.h: Declare rs6000_emit_load_toc_table,
6115 rs6000_allocate_stack_space, stmw_operation. Don't declare
6116 rs6000_output_load_toc_table.
6117 * rs6000.md (elf_high): Allow register 0, but discourage it
6119 (elf_low): Support loading into register 0.
6120 (load_toc_aix_si): New pattern.
6121 (load_toc_aix_di): New pattern.
6122 (load_toc_v4_pic_si): New pattern.
6123 (load_toc_v4_pic_di): New pattern.
6124 (load_toc_v4_PIC_1): New pattern.
6125 (load_toc_v4_PIC_1b): New pattern.
6126 (load_toc_v4_PIC_2): New pattern.
6127 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
6128 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
6129 (prologue): New expander.
6130 (movesi_from_cr): New pattern.
6131 (stmw): New pattern.
6132 (save_fpregs_si): New pattern.
6133 (save_fpregs_di): New pattern.
6135 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6137 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
6142 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6144 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
6146 (movsi_got_internal): Likewise.
6147 (movsi_got_internal+1): Likewise.
6148 (set_sp): 'unspec 7' does a SImode clobber.
6150 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6152 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
6153 allocate a stack temporary.
6154 (floatsidf2_internal): Likewise.
6155 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
6157 (floatunssidf2): Don't use the fpmem "register", just
6158 allocate a stack temporary.
6159 (floatunssidf2_internal): Likewise.
6160 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
6162 (floatsidf2_loadaddr): Delete.
6163 (floatsidf2_store1): Delete.
6164 (floatsidf2_store2): Delete.
6165 (floatsidf2_load): Delete.
6166 (fix_truncdfsi2): Don't use the fpmem "register", just
6167 allocate a stack temporary.
6168 (fix_truncdfsi2_internal_si): Delete.
6169 (fix_truncdfsi2_internal_di): Delete.
6170 (fix_truncdfsi2_internal): New insn.
6171 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
6172 (fix_truncdfsi2_store): Delete.
6173 (fix_truncdfsi2_load): Delete.
6174 (fctiwz): Produce gen_fctiwz.
6176 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
6178 * eabi.h (INVOKE__main): Define.
6179 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
6181 (rs6000_emit_prologue): Likewise.
6182 * rs6000.h (struct rs6000_stack): Don't keep track of whether
6183 this is the main program.
6185 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6187 * rs6000.c (rs6000_va_arg): Delete some unused variables.
6189 2000-01-19 Geoff Keating <geoffk@cygnus.com>
6191 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
6192 goes after the argument.
6194 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6196 * rs6000.md: Document 'unspec' values used.
6197 (epilogue): New expander.
6198 (movesi_to_cr_one): New expander.
6199 (movesi_to_cr and following): New pattern.
6201 (return_internal_si): New pattern.
6202 (return_internal_di): New pattern.
6203 (return_and_restore_fpregs_si): New pattern.
6204 (return_and_restore_fpregs_di): New pattern.
6205 * rs6000.h: Declare new functions.
6206 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
6207 rather than rs6000_calls_p.
6208 (rs6000_makes_calls): Delete.
6209 (lmw_operation): New function.
6210 (mtcrf_operation): New function.
6211 (rs6000_emit_epilogue): New function.
6212 (output_epilog): Call rs6000_emit_epilogue and final if
6213 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
6215 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6217 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
6218 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
6219 * aix.h (SUBTARGET_SWITCHES): Document switches.
6220 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
6221 sched-prolog and sched-epilog the same. Document all the
6223 (TARGET_OPTIONS): No longer allow -mdebug-.
6225 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6227 * rs6000.h (ASM_FILE_END): Move to aix.h.
6228 (EXTRA_SECTIONS): Move to aix.h.
6229 (READONLY_DATA_SECTION): Move to aix.h.
6230 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6231 (SELECT_SECTION): Move to aix.h.
6232 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6233 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6234 (LINK_REGISTER_REGNUM): New definition.
6235 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6236 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6238 * sysv4.h: Delete the code between the inclusion of rs6000.h
6240 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6241 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6242 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6243 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6244 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6245 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6246 (fix_truncdfsi2_internal_di): New pattern.
6247 (fix_truncdfsi2_store): The second arg here is Pmode too.
6248 (fix_truncdfsi2_load): The second arg here is Pmode too.
6249 (tablejumpdi): Now that switch tables hold only SImode values,
6250 gcc needs to know how to add them to the pc which is DImode.
6251 * rs6000.c (rs6000_stack_info): Use symbolic name for
6252 LINK_REGISTER_REGNUM.
6253 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6254 (output_toc): Delete unused variables s1 and s2.
6255 (output_ascii): Use fputs not fprintf on a variable string.
6257 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6259 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6260 * aix43.h: Revert Aug 2 change.
6261 (HAS_INIT_SECTION): Define, not visible yet.
6262 (LD_INIT_SWITCH): Define, not visible yet.
6263 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6265 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6267 * config/rs6000/rtems.h: Include config/rtems.h.
6269 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6271 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6272 (SLOW_UNALIGNED_ACCESS): Define.
6273 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6274 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6275 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6276 (toc_section): Likewise and .toc pseudo-op.
6277 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6279 (TEXT_SECTION_ASM_OP): Likewise.
6280 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6283 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6285 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6286 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6289 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6291 * rs6000.h: Move more stuff from here...
6293 * sysv4.h: Cleanup accordingly.
6294 * netware.h: Likewise
6296 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6298 * rs6000.h: Continue cleanup.
6301 * netware.h: Likewise.
6303 * sysv4.h: Likewise.
6304 * win-nt.h: Likewise.
6306 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6307 (TARGET_OPTIONS): Likewise.
6309 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6310 (SUBTARGET_OPTIONS): Likewise.
6312 * rs6000.md: Fix compile time warnings.
6314 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6316 vxworks patches from the Cygnus tree originally by
6317 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6318 <vmakarov@cygnus.com>.
6319 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6320 (ENDFILE_SPEC): Likewise.
6321 (LIB_VXWORKS_SPEC): New macro.
6322 (STARTFILE_VXWORKS_SPEC): New macro.
6323 (ENDFILE_VXWORKS_SPEC): New macro.
6324 (LINK_START_VXWORKS_SPEC): New macro.
6325 (LINK_OS_VXWORKS_SPEC): New macro.
6326 (CPP_OS_VXWORKS_SPEC): New macro.
6327 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6328 * vxppc.h: Rewrite to use proper configuration method.
6329 * vxppcle.h: New file.
6330 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6331 * ../../configure: Rebuilt.
6333 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6335 Lots of changes to rs6000.h, sysv4.h, aix.h,
6336 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6337 with the aim that rs6000.h is the first header
6338 included and the others override it.
6341 * x-aix41-gld: Remove.
6343 * x-aix41: Remove target-specific switches, and don't specify
6344 -Wl,-bbigtoc as we don't need it any more.
6345 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6346 Use t-aix43 for AIX 4.3 and above.
6347 * ../../configure: Regenerated.
6349 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6350 options, that don't do anything yet.
6351 (MASK_SCHED_PROLOG): New macro.
6352 (MASK_SCHED_EPILOG): New macro.
6353 (TARGET_SCHED_PROLOG): New macro.
6354 (TARGET_SCHED_EPILOG): New macro.
6356 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6358 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6359 one per translation unit, not one per function.
6360 (output_toc): Also do duplicate constant elimination
6361 for per-translation-unit TOCs.
6363 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6364 a comment explaining _exactly_ when this pattern gets used.
6365 (builtin_setjmp_receiver): New pattern for better clarity.
6366 (init_v4_pic): Move it into a section dealing with TOC registers.
6368 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6370 * rs6000.c (toc_hash_table): New variable.
6371 (rs6000_hash_constant): New function.
6372 (toc_hash_function): New function.
6373 (toc_hash_eq): New function.
6374 (toc_hash_mark_entry): New function.
6375 (toc_hash_mark_table): New function.
6376 (output_toc): Don't output duplicate TOC entries in
6378 (rs6000_add_gc_roots): Add the hash table as a GC root.
6379 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6380 where they clearly shouldn't be. This may need to be fixed
6381 later when there is a GNU ar for AIX.
6382 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6383 Don't define BOOT_LDFLAGS as it is now not necessary.
6385 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6387 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6388 for va_list on AIX. Use unsigned_char_type_node rather than
6389 constructing our own version on svr4.
6391 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6393 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6394 since patently it's not.
6396 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6398 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6399 define_expand/define_insn pair, and handle restore of the
6400 SVR4 -fpic register.
6402 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6404 * acconfig.h (HAVE_GAS_WEAK): New define.
6405 * configure.in (assembler weak support): Check for .weak support.
6406 * config.in, configure: Rebuilt.
6407 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6408 HAVE_GAS_WEAK is defined.
6410 2000-03-15 Nick Clifton <nickc@cygnus.com>
6412 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6415 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6417 * cppfiles.c (open_include_file): New function.
6418 (find_include_file, cpp_read_file): Use it.
6420 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6422 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6424 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6426 * flow.c (verify_flow_info): Check for unconditional return.
6428 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6430 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6431 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6432 (__ia64_restore_stack_nonlocal): New.
6433 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6435 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6437 * cpphash.c (collect_formal_parameters): Do not complain about
6438 parameter names that just start with `__VA_ARGS__'.
6440 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6442 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6443 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6444 * i386.c (pentiumpro_cost): Set mul cost to 4.
6445 (x86_use_movx): Set for PPro.
6447 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6449 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6450 STACK_BOUNDARY for empty frames now.
6452 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6454 * stor-layout.c (layout_union): Remove.
6455 (layout_union_field): New function, split out from layout_union.
6456 (finish_union_layout): Likewise.
6457 (layout_field): Handle unions by calling layout_union_field.
6458 (finish_record_layout): Handle unions.
6459 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6460 QUAL_UNION_TYPE handling.
6462 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6464 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6465 end of basic block is jump_insn, not barrier; use create_basic_block
6466 instead of creating basic block by hand.
6468 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6470 * flow.c (reorder_basic_blocks): Account for barriers when writing
6471 over NEXT_INSN (last_bb->end).
6472 (verify_flow_info): Add check for missing barriers.
6474 2000-03-14 Greg McGary <gkm@gnu.org>
6476 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6477 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6478 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6479 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6480 __unbounded, __unbounded__): New keywords.
6481 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6482 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6483 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6485 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6487 * cselib.h: New file.
6488 * alias.c: Include "cselib.h".
6489 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6490 MEMs as two new arguments.
6491 (get_addr): New static function.
6492 (find_base_term): Handle VALUEs.
6493 (memrefs_conflict_p): Likewise.
6494 (true_dependence): Call get_addr on the addresses.
6495 Call fixed_scalar_and_varying_struct_p with addresses that have been
6496 passed through get_addr and canon_rtx.
6497 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6498 with true_dependence.
6499 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6500 * loop.c: Include "cselib.h".
6501 (load_mems): Process extended basic block that enters the loop with
6502 cselib. Use that information to change initialization of the shadow
6503 register so that a constant equivalence is seen by later passes.
6504 * reload1.c: Include "cselib.h".
6505 (reload_cse_invalidate_regno): Delete function.
6506 (reload_cse_mem_conflict_p): Likewise.
6507 (reload_cse_invalidate_mem): Likewise.
6508 (reload_cse_invalidate_rtx): Likewise.
6509 (reload_cse_regno_equal_p): Likewise.
6510 (reload_cse_check_clobber): Likewise.
6511 (reload_cse_record_set): Likewise.
6512 (reg_values): Delete static variable.
6513 (invalidate_regno_rtx): Likewise.
6514 (reload_cse_delete_noop_set): New static function.
6515 (reload_cse_simplify): New static function, broken out of
6517 (reload_cse_noop_set_p): Delete unused argument INSN.
6518 Just call rtx_equal_for_cselib_p on set source and destination.
6519 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6520 reload_cse_delete_noop_set. Delete code to keep track of values; use
6521 cselib functions instead. Delete code to push/pop obstacks.
6522 (reload_cse_simplify_set): Use cselib to find equivalent values.
6523 Delete code to push/pop obstacks.
6524 (reload_cse_simplify_operands): Likewise.
6525 * rtl.def (VALUE): New rtx code.
6526 * rtl.h (union rtunion_def): New elt rt_cselib.
6527 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6528 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6529 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6530 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6531 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6532 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6533 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6534 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6535 cselib_record_set, cselib_record_sets): New static functions.
6536 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6537 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6538 references_value_p): New functions.
6539 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6540 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6541 n_useless_values, reg_values, callmem, cselib_obstack,
6542 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6543 New static variables.
6544 * varray.h (union varray_data_tag): New elt te.
6545 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6546 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6549 2000-03-14 Nick Clifton <nickc@cygnus.com>
6551 * gcc.c (do_spec_1): Catch the case where %* is used in a
6552 substitution pattern, but it has not been initialised.
6553 Issue a meaningful error message if an unrecognised operator
6554 is encountered in a spec string.
6556 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6558 * function.c (prepare_function_start): Correctly initialize
6559 cfun->stack_alignment_needed.
6561 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6563 * cppfiles.c (find_include_file): Don't assume nshort is a
6566 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6568 * configure.in (hppa configurations): Add pa32-regs.h to the
6569 list of tm files as appropriate.
6570 * configure: Rebuilt.
6571 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6573 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6574 (fmpyaddoperands, fmpysuboperands): Likewise.
6575 * pa.h: Remove various definitions which depend on knowing
6576 how registers are numbered.
6577 * pa32-regs.h: New file with PA32 register numbering specific
6580 2000-03-14 Richard Henderson <rth@cygnus.com>
6582 * regmove.c (combine_stack_adjustments): New.
6583 (stack_memref_p, single_set_for_csa): New.
6584 (free_csa_memlist, record_one_stack_memref): New.
6585 (try_apply_stack_adjustment): New.
6586 (combine_stack_adjustments_for_block): New.
6587 * rtl.h (combine_stack_adjustments): Declare.
6588 * toplev.c (rest_of_compilation): Call it.
6590 * i386.md: Revert 2000-01-16 change.
6592 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6594 * gccbug.in: Add web category, gcc specific classes.
6596 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6598 * stor-layout.c (finalize_record_size): Fix typo.
6600 2000-03-14 Stan Shebs <shebs@apple.com>
6602 * c-typeck.c (c_alignof): Error on incomplete types.
6603 * extend.texi (Alignment): Document this.
6605 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6607 * cppfiles.c: Include mkdeps.h.
6608 (find_include_file, read_include_file): Remove _cpp_ prefix
6609 from name, make static.
6610 (_cpp_execute_include): New function, broken out of
6613 * cpplib.c: Don't include mkdeps.h.
6614 (struct directive): Remove type field. Reorder entries. The
6615 function takes only one argument.
6616 (struct if_stack): Make type field an int.
6617 (directive_table): Rename to dtable. Generate it, the
6618 prototypes of the directive handlers, and the enum for the
6619 directive numbers, from a template macro.
6620 (do_ifndef, do_include_next, do_import): New functions.
6621 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6622 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6623 do_ident, do_assert, do_unassert, do_sccs): Take only one
6625 (do_sccs): Define always, but alter behavior based on
6627 (_cpp_handle_directive, consider_directive_while_skipping):
6628 Restructure for new directive table layout.
6630 (pass_thru_directive): Take a directive number, not a pointer
6631 to a struct directive.
6632 (parse_include): New function, broken out of do_include.
6633 (do_include, do_import, do_include_next): Use parse_include
6634 and _cpp_execute_include.
6635 (do_elif, do_else): Test for T_ELSE specifically when checking
6636 for #elif/#else after #else.
6637 (parse_ifdef): New function, broken out of do_ifdef.
6638 (validate_else): Expect a name arg without a leading #.
6639 (if_directive_name): Delete.
6640 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6641 directive handlers with only one argument.
6643 * cpphash.h: Update prototypes.
6644 (enum node_type): Remove entries for directives.
6645 * Makefile.in: Update dependencies.
6647 * cpphash.c (dump_hash_helper): Only dump nodes of type
6648 T_MACRO. Emit a newline after each definition.
6650 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6652 * gccbug.in: New file.
6653 * configure.in (all_outputs): Add gccbug.
6654 * Makefile.in (install-common): Install gccbug.
6655 (GCCBUG_INSTALL_NAME): New variable.
6656 * configure: Rebuilt.
6658 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6660 * function.c (put_var_into_stack): Use type_for_mode to calculate
6661 part_type. Use MEM_SET_IN_STRUCT_P.
6662 * expr.c (store_field): Handle CONCAT.
6663 (store_constructor): Use fields_length.
6664 * tree.c (fields_length): New fn.
6665 * tree.h: Declare it.
6667 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6669 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6670 (cpplex.o): New target.
6671 * po/POTFILES.in: Add cpplex.c.
6673 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6674 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6675 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6676 skip_block_comment, skip_line_comment, skip_comment,
6677 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6678 _cpp_parse_name, skip_string, parse_string,
6679 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6680 _cpp_get_directive_token, find_position,
6681 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6682 (maybe_macroexpand, _cpp_lex_token): New functions.
6684 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6685 parse_goto_mark): Delete.
6686 (_cpp_handle_eof): New function.
6687 (_cpp_handle_directive): Rename from handle_directive.
6688 (_cpp_output_line_command): Rename from output_line_command.
6689 (do_if, do_elif): Call _cpp_parse_expr directly.
6690 * cppfiles.c (_cpp_read_include_file): Don't call
6691 init_input_buffer here.
6692 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6693 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6694 here; pop the token_buffer and skip the rest of the line here.
6695 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6698 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6700 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6701 CPP_GOTO_MARK): New macros.
6702 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6703 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6704 _cpp_read_and_prescan, _cpp_init_input_buffer,
6705 _cpp_grow_token_buffer, _cpp_get_directive_token,
6706 _cpp_handle_directive, _cpp_handle_eof,
6707 _cpp_output_line_command): Prototype them here.
6708 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6709 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6710 quote_string, output_line_command): Remove.
6712 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6714 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6715 whether it is too large we must also verify that it isn't negative.
6717 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6719 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6720 (movsi_zero_liveg0): Remove.
6721 (movsf_insn_novis_liveg0): Remove.
6723 (negsi2_not_liveg0): Rename to negsi2.
6724 (one_cmplsi2): Remove.
6725 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6726 (one_cmplsi2_liveg0): Remove.
6727 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6728 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6729 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6730 (PREDICATE_CODES): Remove zero_operand.
6731 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6732 TARGET_BROKEN_SAVERESTORE.
6733 (zero_operand): Remove.
6734 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6735 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6737 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6738 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6739 TARGET_BROKEN_SAVERESTORE): Remove.
6740 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6742 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6744 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6747 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6749 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6751 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6752 truncating a string. Don't assume tokens are nul terminated.
6753 Problem noted by Andreas Jaeger <aj@suse.de>
6755 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6757 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6758 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6759 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6761 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6763 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6764 STRUCTURE_SIZE_BOUNDARY.
6766 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6768 * tree.h (record_layout_info_s): New structure.
6769 (record_layout_info): New type.
6770 (new_record_layout_info): New function.
6771 (layout_field): Likewise.
6772 (finish_record_layout): Likewise.
6773 * stor-layout.c (layout_record): Remove.
6774 (new_record_layout_info): New function.
6775 (layout_field): New function, broken out from layout_record.
6776 (finalize_record_size): Likewise.
6777 (compute_record_mode): Likewise.
6778 (finalize_type_size): New function, broken out from layout_type.
6779 (finish_record_layout): Likewise.
6780 (layout_type): Use them.
6782 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6784 * cpphash.c: Don't include version.h.
6785 (special_symbol) [case T_VERSION]: Look for the string in
6786 hp->value.cpval; don't use version_string.
6787 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6788 __VERSION__ to version_string.
6789 * Makefile.in (cpphash.o): Update deps.
6791 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6793 Convert cpplib to use libiberty/hashtab.c.
6795 * cpplib.h (struct cpp_reader): Make hashtab and
6796 all_include_files of type 'struct htab *'. Delete HASHSIZE
6797 and ALL_INCLUDE_HASHSIZE macros.
6799 * cpphash.h: Update prototypes.
6800 (struct hashnode): Remove next, prev, and bucket_hdr members.
6801 Make length a size_t. Add hash member.
6802 (struct ihash): Remove next member. Add hash member. Make
6803 name a flexible array member.
6805 * cppfiles.c: Include hashtab.h.
6806 (include_hash): Delete.
6807 (IHASHSIZE): New macro.
6808 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6809 (cpp_included): Do the hash lookup here.
6810 (_cpp_find_include_file): Rewrite.
6811 (cpp_read_file): Put the "fake" hash entry into the hash
6812 table. Honor the control_macro, if it turns out we've seen
6813 the file before. Don't push the buffer here.
6814 (_cpp_read_include_file): Push the buffer here.
6815 (OMODES): New macro. Use it whenever we call open(2).
6817 * cpphash.c: Include hashtab.h.
6818 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6819 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6820 _cpp_lookup_slot): New functions.
6821 (HASHSIZE): new macro.
6822 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6823 (_cpp_lookup): Use hashtab.h routines.
6825 * cppinit.c: Include hashtab.h.
6826 (cpp_reader_init): Call _cpp_init_macro_hash and
6827 _cpp_init_include_hash. Don't allocate hashtab directly.
6828 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6829 pfile->all_include_files.
6830 (initialize_builtins): Use _cpp_make_hashnode and
6831 htab_find_slot to add hash entries.
6832 (cpp_finish): Just call _cpp_dump_macro_hash.
6833 * cpplib.c: Include hashtab.h.
6834 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6835 create hash entries.
6836 (do_pragma_poison, do_assert): Likewise.
6837 (do_include): Don't push the buffer here. Don't increment
6838 system_include_depth unless _cpp_read_include_file succeeds.
6839 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6841 (do_pragma_implementation): Use alloca to create copy.
6843 * Makefile.in: Update dependencies.
6845 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6847 * cppinit.c (cl_directive_handler): More K&R fixing.
6849 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6851 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6853 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6855 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6857 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6858 Change from char[] to macros.
6860 2000-03-12 Neil Booth <NeilB@earthling.net>
6862 * cppinit.c (cpp_start_read): Update indirect function
6865 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6867 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6870 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6871 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6873 2000-03-11 Neil Booth <NeilB@earthling.net>
6875 * cppinit.c (struct pending option): Replace undef with a
6876 pointer to a directive handling routine.
6877 (struct cpp_pending): Replace separate assert_ and define_
6878 lists with one directive_ list.
6879 (new_pending_define): Rename new_pending_directive. Extra
6880 argument is the directive's handling routine.
6881 (handle_option): Update to use new_pending_directive.
6883 2000-03-11 Neil Booth <NeilB@earthling.net>
6885 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6886 remap_filename, _cpp_read_include_file, actual_directory,
6887 hack_vms_include_specification): Replace bcopy(), index() etc
6888 calls. Add casts to some allocations. Make some variables
6889 pointers to const [unsigned] char.
6890 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6891 collect_formal_parameters): Similarly.
6892 * cppinit.c (struct pending_option, append_include_chain,
6893 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6894 cpp_start_read, new_pending_define, handle_option): Similarly.
6895 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6896 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6897 do_pragma_implementation, detect_if_not_defined,
6898 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6899 do_assert, do_unassert): Similarly.
6900 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6901 function prototypes.
6902 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6904 2000-03-10 Richard Henderson <rth@cygnus.com>
6906 * builtins.c (expand_builtin_strlen): Revert last change.
6907 Use emit_insn_before if we're at the beginning of a sequence.
6909 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6911 * builtins.c (expand_builtin_strlen): Make sure that we have something
6912 at the beginning of the sequence.
6914 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6917 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6919 2000-03-10 Richard Henderson <rth@cygnus.com>
6921 * except.c (can_throw): Use INTVAL on a CONST_INT.
6922 (reachable_handlers): Likewise.
6923 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6925 2000-03-10 Andreas Jaeger <aj@suse.de>
6927 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6928 MD_STARTFILE_PREFIX since those are not needed on linux.
6929 (ASM_FILE_START): New, from mips/gnu.h.
6931 2000-03-09 Richard Henderson <rth@cygnus.com>
6932 Alex Samuel <samuel@codesourcery.com> and others
6934 * Makefile.in (ssa.o): New rule.
6936 (STAGESTUFF): Add *.ssa and *.ussa.
6937 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6938 * rtl.def (PHI): New RTL expression.
6939 * rtl.h (clear_log_links): New declaration.
6940 (convert_to_ssa): Likewise.
6941 (convert_from_ssa): Likewise.
6942 * flow.c (split_edge): If the entry node falls through to the
6943 split edge's source block, split the entry edge.
6944 (clear_log_links): New function.
6945 * toplev.c (ssa_dump): New variable.
6946 (flag_ssa): Likewise.
6947 (f_options): Add "ssa".
6948 (compile_file): Create SSA dump files.
6949 (rest_of_compilation): Go to and from SSA if enabled.
6950 (decide_d_option): Handle -de for SSA dump files.
6953 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6955 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6958 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6960 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6962 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6964 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6965 (MD_STARTFILE_PREFIX_1): New macro.
6967 2000-03-09 Robert Lipe <robertl@sco.com>
6969 * config/ia64/ia64.c: Include system.h.
6971 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6973 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6974 (init_eh_nesting_info): Likewise.
6976 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6977 (TREE_NOTHROW): Rename from TREE_RAISES.
6978 * toplev.c (rest_of_compilation): Set it.
6979 * print-tree.c (print_node): Adjust.
6980 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6981 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6982 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6983 REG_EH_REGION note as appropriate.
6984 (libfunc_nothrow): New fn.
6985 (emit_library_call, emit_library_call_value): Use it.
6986 (expand_call): Check TREE_NOTHROW.
6988 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6989 DECL_ASSEMBLER_NAME.
6991 2000-03-09 Andreas Jaeger <aj@suse.de>
6993 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6994 (TARGET_MEM_FUNCTIONS): Define.
6996 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6998 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
7000 * except.c (can_throw): See through a SEQUENCE.
7001 (nothrow_function_p): New fn.
7002 * except.h: Declare it.
7003 * function.c (current_function_nothrow): New var.
7004 (prepare_function_start): Initialize it.
7005 * output.h: Declare it.
7006 * toplev.c (rest_of_compilation): Set it.
7007 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
7009 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
7011 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
7012 match. (cpp_compare_defs): Count the nul separator when
7013 advancing over argument names.
7015 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
7017 * recog.c (preprocess_constraints): Matching constraints affect
7018 same alternative/different operand, not same operand/different
7021 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
7022 register and a constant specially.
7024 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7026 * libgcc2.h: New file.
7027 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
7029 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
7031 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
7032 * configure: Regenerate.
7035 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7037 * Makefile.in (LIBCPP_DEPS): New macro.
7038 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
7040 * cpperror.c: Include cpphash.h.
7041 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
7043 (lex): Don't use CPP_WARN_UNDEF.
7044 (_cpp_parse_expr): Return an int, the truth value.
7045 * cppfiles.c: Include cpphash.h.
7046 (_cpp_merge_include_chains): Move to cppinit.c and make static.
7047 * cppinit.c (include_defaults_array): Disentangle.
7048 (cpp_cleanup): Don't free the if stack here.
7049 (cpp_finish): Pop off all buffers, not just one.
7050 * cpplib.c (eval_if_expr): Return int.
7051 (do_xifdef): Rename do_ifdef.
7052 (handle_directive): Don't use CPP_PREPROCESSED.
7053 (cpp_get_token): Don't use CPP_C89.
7054 * fix-header.c: Don't use CPP_OPTIONS.
7056 * cpplib.h: Move U_CHAR, enum node_type, struct
7057 file_name_list, struct ihash, is_idchar, is_idstart,
7058 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
7059 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
7060 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
7061 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
7062 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
7063 of _cpp_simplify_pathname, _cpp_find_include_file,
7064 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
7065 Move struct if_stack to cpplib.c. Move struct cpp_pending to
7067 Change all uses of U_CHAR to be unsigned char instead.
7068 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
7070 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7072 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
7073 (dwarf2out_begin_prologue): Set it.
7074 (output_call_frame_info): Don't emit EH unwind info for leaves.
7076 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
7077 can occur outside of an EH region.
7078 * except.c: Correct comments about rethrow behavior.
7079 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
7081 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
7083 * flow.c (make_edges): Always call make_eh_edge for calls.
7085 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
7087 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
7088 (struct cpp_buffer): Remove fname and underflow fields.
7089 (struct cpp_reader): Remove get_token field.
7090 (struct include_hash): Rename to struct ihash. Add typedef to
7092 (struct if_stack): Remove fname field.
7093 (IF_STACK_FRAME): Rename to IF_STACK.
7095 * cpperror.c (print_containing_files): Trust that there are no
7096 macro buffers below the top file buffer.
7097 * cppfiles.c: Replace all references to 'struct include_hash'
7098 with 'IHASH'. Rename initialize_input_buffer to
7099 init_input_buffer. Don't set or reference cpp_buffer->fname,
7100 use buffer->ihash->name instead.
7101 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
7102 not CPP_NULL_BUFFER.
7103 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
7104 IF_STACK_FRAME, IHASH not struct include_hash.
7105 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
7106 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
7107 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
7108 references to cpp_buffer->fname (delete entirely, or use
7109 ->ihash->name instead) and IF_STACK->fname.
7110 (cpp_push_buffer): Don't set new->underflow.
7111 (do_include): Use cpp_file_buffer.
7113 * cpphash.c (collect_formal_parameters): Remove duplicate
7114 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
7115 used as a macro argument name. Don't append "..." to namebuf
7116 for varargs macros. After we're done scanning, go through
7117 namebuf and make it NUL separated, not comma separated.
7118 (_cpp_compare_defs): Remove register tag from variables.
7119 Expect defn->argnames to be NUL separated.
7120 (_cpp_dump_definition): Expect defn->argnames to be NUL
7121 separated and in forward order.
7122 * cpphash.h: Update documentation of argnames field.
7124 2000-03-08 Richard Henderson <rth@cygnus.com>
7126 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
7127 to fail. Don't pre-expand the source operand.
7129 * i386.md (strlensi): Initialize eoschar and align before use.
7131 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
7133 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
7134 CONSTRUCTOR element.
7136 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7138 * mips.c (mips_expand_prologue): If the last
7139 named argument is the vararg marker "va_list", treat it as
7140 an unnamed argument.
7142 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
7144 * dbxout.c (dbxout_parms): When correcting for promoted
7145 big-endian parameters, use the mode of the DECL_RTL rather
7146 than UNITS_PER_WORD.
7148 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
7150 * c-common.h (make_fname_decl): Declare.
7151 * c-common.c (make_fname_decl): Define.
7152 (declare_hidden_char_array): Remove.
7153 (declare_function_name): Use make_fname_decl.
7154 * c-decl.c (c_make_fname_decl): New function.
7155 (init_decl_processing): Set make_fname_decl.
7157 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
7159 * cccp.c (handle_directive): Initialize backslash_newlines_p.
7161 2000-03-07 Philipp Thomas <pthomas@suse.de>
7163 * po/POTFILES.in: Remove cppalloc.c from file list.
7165 2000-03-07 Steve Chamberlain <sac@pobox.com>
7167 * pj.c (pj_expand_prologue): current_function->args_info is
7168 now current_function_args_info.
7170 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
7171 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
7172 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
7174 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7176 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
7177 output as hexadecimal rather than the default octal.
7179 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7181 * cpphash.c (special_symbol): Fix thinko in previous commit.
7183 2000-03-07 Neil Booth <NeilB@earthling.net>
7185 * cppexp.c (struct operation, left_shift, right_shift,
7186 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
7187 "int"s to "unsigned int"s.
7188 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
7190 * cpplib.h: Update for above.
7191 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
7192 returned from allocations.
7194 * cppinit.c (opt_comp, parse_options): New functions.
7195 (handle_option): Use parse_option to parse a single command
7196 line option, that possibly takes an argument.
7197 (cpp_handle_options): Sort the array of command line options on
7198 first invocation (non-ASCII hosts only).
7199 (print_help): Update.
7201 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
7203 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
7204 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
7206 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
7208 * cppinit.c (cpp_cleanup): Free imp->nshort also.
7210 * cpperror.c (cpp_print_containing_files,
7211 cpp_print_file_and_line, v_cpp_message): Rename to
7212 print_containing_files, print_file_and_line, and v_message.
7213 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
7214 to _cpp_parse_expr, parse_escape, and lex.
7215 (parse_charconst): Remove broken multibyte support.
7216 * cppfiles.c (include_hash): Make static.
7217 (cpp_included): New function.
7218 (merge_include_chains, find_include_file, finclude,
7219 simplify_pathname): Rename to _cpp_merge_include_chains,
7220 _cpp_find_include_file, _cpp_read_include_file, and
7221 _cpp_simplify_pathname.
7222 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7223 cpp_install, create_definition, macroexpand, compare_defs,
7224 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7225 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7226 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7227 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7229 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7231 * cpphash.h: Update prototypes.
7232 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7234 2000-03-07 Andrew Haley <aph@cygnus.com>
7236 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7237 PTRDIFF_TYPE should be based solely on Pmode.
7240 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7242 * rtl.h (rtunion_def): Constify member `rtstr'.
7243 (emit_line_note_after, emit_line_note, emit_line_note_force,
7244 emit_note, decode_asm_operands): Constify.
7246 * cse.c (canon_hash): Likewise.
7248 * dbxout.c (dbxout_block): Likewise.
7250 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7251 v_warning_for_asm): Likewise.
7253 * dwarfout.c (function_start_label): Likewise.
7255 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7256 emit_line_note_force): Likewise.
7258 * final.c (last_filename, asm_insn_count, final_scan_insn,
7259 output_source_line): Likewise.
7261 * function.h (struct emit_status): Likewise.
7263 * gcse.c (hash_expr_1): Likewise.
7265 * genattr.c (gen_attr, main): Likewise.
7267 * genattrtab.c (struct function_unit, current_alternative_string,
7268 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7269 attr_numeral, check_attr_test, check_attr_value,
7270 convert_set_attr_alternative, convert_set_attr,
7271 compute_alternative_mask, simplify_by_exploding, gen_attr,
7272 gen_unit): Likewise.
7274 * genflags.c (gen_insn): Likewise.
7276 * gengenrtl.c (type_from_format): Likewise.
7278 * genopinit.c (gen_insn): Likewise.
7280 * genoutput.c (n_occurrences, process_template, process_template):
7283 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7286 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7289 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7290 ggc_set_mark, ggc_get_size): Likewise.
7292 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7294 * optabs.c (init_one_libfunc): Likewise.
7296 * output.h (assemble_start_function): Likewise.
7298 * recog.c (decode_asm_operands): Likewise.
7300 * toplev.c (rest_of_compilation): Likewise.
7302 * tree.h (emit_line_note_after, emit_line_note,
7303 emit_line_note_force): Likewise.
7305 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7306 asm_emit_uninitialised, assemble_start_function,
7307 assemble_variable, const_hash, compare_constant_1,
7308 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7310 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7312 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7314 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7316 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7318 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7319 arm_dllimport_name_p): Likewise.
7321 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7324 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7326 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7328 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7329 arm_mark_dllexport, arm_mark_dllimport,
7330 arm_pe_encode_section_info): Likewise.
7332 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7333 ASM_FINISH_DECLARE_OBJECT): Likewise.
7335 * arm/thumb.c (thumb_function_prologue): Likewise.
7337 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7339 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7341 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7343 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7345 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7347 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7349 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7350 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7352 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7354 * i386/i386.c (asm_output_function_prefix): Likewise.
7356 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7358 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7360 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7362 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7363 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7364 ASM_OUTPUT_SECTION_NAME): Likewise.
7366 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7368 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7370 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7372 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7374 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7376 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7378 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7380 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7382 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7384 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7386 * mips/mips.md (movdi, movsi): Likewise.
7388 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7390 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7392 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7394 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7395 ASM_OUTPUT_ASCII): Likewise.
7397 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7398 output_mi_thunk, output_toc): Likewise.
7400 * rs6000/rs6000.md (movsi): Likewise.
7402 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7404 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7406 * v850/v850.c (print_operand, print_operand_address,
7407 v850_encode_data_area): Likewise.
7409 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7411 * config/mips/mips.md (zero_extendsidi2): Always force operand
7412 one to memory for mips16.
7414 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7416 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7417 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7418 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7419 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7420 (min_precision): Result is unsigned.
7421 (add_double, neg_double, mul_double): Low word is unsigned.
7422 (lshift_double, rshift_double, lrotate_double): Likewise.
7423 (rrotate_double, div_and_round_double): Likewise.
7424 (tree_floor_log2, compare_tree_int): New functions.
7425 (preserve_rtl_expr_temps): New declaration.
7426 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7427 (decl_attributes): Use tree_log2 to find alignment.
7428 Check for TREE_INT_CST_HIGH for format args.
7429 (min_precision): Now unsigned.
7430 Use tree_floor_log2.
7431 (truthvalue_conversion): Delete long-disabled code.
7432 * c-decl.c (finish_struct): Clean up tests on field width.
7433 (finish_function): Use compare_tree_int.
7434 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7435 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7436 (default_conversion, digest_init): Use compare_tree_int.
7437 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7438 Fix type errors in forming masks.
7439 * calls.c (initialize_argument_information): Use compare_tree_int.
7440 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7441 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7442 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7443 (store_field): Use compare_tree_int.
7444 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7445 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7446 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7447 (do_store_flag): Use compare_tree_int.
7448 * fold-const.c (encode, decode): Low part is always unsigned.
7449 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7450 (lshift_double, rshift_double, lrotate_double): Likewise.
7451 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7452 (fold_convert): Use compare_tree_int.
7453 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7454 (invert_truthvalue, case INTEGER_CST): Likewise.
7455 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7456 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7457 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7458 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7460 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7461 (expand_end_case): Use compare_tree_int.
7462 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7463 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7464 (layout_decl): Likewise.
7465 (layout_record, layout_union): Make sizes unsigned.
7466 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7467 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7468 * tree.c (struct type_hash): hashcode is unsigned.
7469 (build_type_attribute_variant, type_hash_list): Likewise.
7470 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7471 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7472 (build_complex_type): Likewise.
7473 (real_value_from_int_cst): Remove unneeded casts.
7474 (integer_all_onesp): Add casts.
7475 (tree_floor_log2, compare_tree_int): New functions.
7476 (build_index_type): Use tree_int_cst_sgn.
7477 * varasm.c (assemble_variable): Use compare_tree_int.
7479 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7481 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7483 * varasm.c (make_decl_rtl): Don't add a number to members of
7485 (make_function_rtl): Likewise.
7487 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7489 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7490 patch from 2000-01-28.
7492 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7494 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7495 filled with an insn from the jump target.
7497 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7499 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7500 (c4x_external_ref): Likewise.
7501 * config/c4x/c4x.c (struct name_list): Likewise.
7503 1999-12-16 Ben Collins <bcollins@debian.org>
7505 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7506 argument to genmultilib.
7507 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7508 the contents into the multilib.h header.
7509 * gcc.c: Declare multilib_exclusions for the specs file.
7510 (set_multilib_dir): Use it.
7511 (print_multilib_info): Likewise.
7512 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7513 to pass to genmultilib.
7515 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7517 * builtins.c (built_in_class_names, built_in_names): Constify a
7520 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7522 (_mcleanup): Ensure value matches format specifier in sprintf.
7524 * cpphash.c (special_symbol): Don't needlessly cast away
7527 * cppinit.c (base_name): Delete unused prototype.
7529 * mkdeps.c (deps_init): Make definition K&R safe.
7531 * tree.h (built_in_class_names, built_in_names): Constify a
7534 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7536 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7537 floating point instructions for epilogue delay.
7539 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7540 to gas if it supports .register pseudo.
7542 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7543 LONG_DOUBLE_TYPE_SIZE if not defined.
7544 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7545 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7547 * gengenrtl.c: Likewise.
7548 * print-rtl.c: Likewise.
7550 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7551 MASK_LONG_DOUBLE_128.
7552 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7553 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7554 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7555 (SUBTARGET_SWITCHES): Define.
7556 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7557 with -mlong-double-128.
7558 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7559 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7561 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7562 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7563 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7564 with -mlong-double-128.
7565 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7566 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7567 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7568 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7569 TARGET_LONG_DOUBLE_128): Define.
7570 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7571 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7572 long double on TARGET_ARCH64.
7574 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7576 * function.c (free_temps_for_rtl_expr): Don't free slots
7577 that have been pushed into a higher level.
7580 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7582 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7584 * basic-block.h (ALLOCA_REG_SET): Remove.
7585 (INITIALIZE_REG_SET): New macro.
7586 * flow.c (update_life_info): Use it.
7587 (calculate_global_regs_live): Likewise.
7588 (propagate_block): Likewise.
7589 * global.c (build_insn_chain): Likewise.
7590 * haifa-sched.c (schedule_region): Likewise.
7592 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7594 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7595 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7596 (DWARF_ARANGES_PAD_SIZE): New define.
7597 (output_aranges): Use it to pad the address range header.
7598 (DWARF_ROUND): Fix for non power of 2 rounding.
7600 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7602 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7604 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7606 * tree.def (RTL_EXPR): Update documentation.
7607 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7608 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7609 * function.c (preserve_rtl_expr_temp): New function.
7610 (preserve_rtl_expr_temps): Likewise.
7611 (preserve_rtl_expr_result): Use it.
7614 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7616 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7618 * regmove.c (copy_src_to_dest) Do not create src->dest move
7619 for unchanging destination.
7621 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7623 * function.h (struct sequence_stack): Remove rtl_expr.
7624 (struct emit_staus): Likewise.
7625 (seq_rtl_expr): Remove.
7626 * tree.h (free_temps_for_rtl_expr): Don't declare.
7627 (start_sequence_for_rtl_expr): Likewise.
7628 * rtl.h (preserve_rtl_expr_result): Likewise.
7629 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7630 (start_sequence_for_rtl_expr): Remove.
7631 (push_topmost_sequence): Don't save sequence_rtl_expr.
7632 (pop_topmost_sequence): Remove comment about not restoring it.
7633 (end_sequence): Don't set seq_rtl_expr.
7634 (init_emit): Don't initialize it.
7635 (mark_sequence_stack): Don't mark it.
7636 (mark_emit_status): Likewise.
7637 * except.c (protect_with_terminate): Use
7638 start_sequence_for_rtl_expr, not start_sequence.
7639 * expr.c (expand_expr, case RTL_EXPR): Don't call
7640 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7641 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7642 (preserve_rtl_expr_result): Remove.
7643 (free_temps_for_rtl_expr): Likewise.
7644 (pop_temp_slots): Likewise.
7645 (mark_temp_slot): Don't mark the rtl_expr.
7646 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7647 start_sequence_for_rtl_expr.
7649 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7651 * mkdeps.c, mkdeps.h: New files.
7652 * po/POTFILES.in: Add them.
7653 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7654 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7655 (mkdeps.o): New target.
7657 * cppfiles.c: Delete deps_output.
7658 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7659 OBJECT_SUFFIX, and base_name.
7660 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7662 (initialize_dependency_output): Use deps_init,
7663 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7664 all the unnecessary string bashing.
7665 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7667 * cpplib.c (do_include): Use deps_add_dep.
7668 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7669 deps_allocated_size, deps_size, deps_column members with
7670 single pointer to a struct deps. Delete prototype of
7673 * cppinit.c: Fix thinko in previous patch.
7675 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7677 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7678 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7679 (mode_for_size_tree): New function.
7680 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7681 * tree.h (mode_for_size_tree): New declaration.
7683 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7685 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7687 * stmt.c (is_body_block): Move...
7688 * dwarfout.c, dwarf2out.c: ...from here.
7689 * tree.h: Declare it.
7690 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7691 * final.c (final_start_function): Do call remove_unnecessary_notes
7694 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7696 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7698 * cpplib.h (_dollar_ok): New macro.
7699 (is_idchar, is_idstart): Use it.
7700 (IStable): Rename to _cpp_IStable. Declare it const if
7701 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7702 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7703 is_space): Update for renamed IStable.
7705 * cppinit.c: Delete all references to FAKE_CONST and CAT
7706 macros. Define init_IStable as empty macro if gcc >=2.7 or
7707 C99. Change TABLE() to ISTABLE and hardcode name of table.
7708 (cpp_start_read): Don't change the IStable based on
7711 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7712 changed. Handle '$' for char1 correctly.
7713 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7715 * cppexp.c (tokentab2): Make const.
7716 (cpp_lex): Make toktab const.
7717 * cppinit.c (include_defaults_array): Make const.
7718 (initialize_standard_includes): Make default_include const.
7720 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7722 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7723 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7724 (gen_decl_die): Likewise.
7725 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7726 (output_decl): Likewise.
7728 * varasm.c (make_function_rtl): If we change the name used in the
7729 rtl, update DECL_ASSEMBLER_NAME accordingly.
7730 (make_decl_rtl): Likewise.
7732 * toplev.c (rest_of_compilation): Tweak formatting.
7734 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7735 remove_unnecessary_notes.
7736 (debug_ignore_block): New fn.
7737 * toplev.h: Declare it.
7738 * emit-rtl.c (remove_unncessary_notes): Call it.
7739 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7740 * dwarf2out.h: Declare it.
7741 * final.c (final_start_function): Don't call remove_unnecessary_notes
7742 if we did insn scheduling.
7744 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7746 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7747 * cpplib.h: Delete SET_CPP_PEDANTIC.
7749 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7751 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7752 result is a RECORD_TYPE.
7754 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7756 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7758 2000-03-03 Richard Henderson <rth@cygnus.com>
7760 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7761 addition over compliments over shifts.
7763 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7765 * reload1.c (reload_combine_note_use): Handle return register USEs.
7766 REG case: Handle multi-hard-register hard regs.
7768 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7770 * md.texi: Document use of '*' in insn pattern name.
7772 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7774 * calls.c (special_function_p): operator new may not be malloc-like.
7776 * gcse.c (dump_hash_table): Really fix error in last change.
7778 2000-03-02 Denis Chertykov <denisc@overta.ru>
7780 * avr.c (print_operand): Use print_operand_address instead of
7782 * avr/libgcc.S: Cleanup code.
7784 2000-03-02 Richard Henderson <rth@cygnus.com>
7786 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7788 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7790 * tree.h (TYPE_ALIGN_UNIT): New macro.
7792 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7794 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7796 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7798 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7800 (SET_CPP_PEDANTIC): New macro.
7801 * cpplib.c (do_include): Don't bother checking system_header_p.
7802 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7803 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7805 * function.h (struct expr_status): Add x_arg_space_so_far.
7806 (arg_space_so_far): New macro.
7807 * expr.c (init_expr): Initialize it.
7808 * calls.c (emit_call_1): Reset it.
7809 (compute_argument_block_size, expand_call): Use it.
7810 (expand_call, store_one_arg): Increment it.
7812 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7814 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7817 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7819 * cppfiles.c (cpp_read_file): New function.
7821 * cpphash.c (collect_expansion): Make sure to reset last_token
7822 to NORM when we hit a string. Handle trailing whitespace
7823 properly when the expansion is empty.
7824 (create_definition): Disable line commands while parsing the
7826 (dump_definition): If pfile->lineno == 0, output a line
7827 command ahead of the dump, and add a trailing newline.
7829 * cppinit.c (append_include_chain): Add fifth argument, which
7830 indicates whether or not system headers are C++ aware.
7831 (initialize_standard_includes): New function,
7832 broken out of read_and_prescan. Pass 'cxx_aware' value from
7833 the include_defaults_array on to append_include_chain.
7834 (dump_special_to_buffer): Const-ify char array.
7835 (builtin_array): Don't dump __BASE_FILE__.
7836 (cpp_start_read): Use cpp_read_file. Reorder code for
7837 clarity. Don't output line commands here for -D/-A/-U
7838 switches. Don't call deps_output for files included with
7839 -include or -imacros.
7841 * cpplib.c (do_define): Don't pay any attention to the second
7843 (cpp_expand_to_buffer): Disable line commands while scanning.
7844 (output_line_command): Work in the file buffer.
7845 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7846 Fix formatting of comments. Prototype cpp_read_file.
7848 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7850 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7851 reference the language-equivalent of sizetype.
7852 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7853 * fold-const.c (size_binop, size_diffop): Put back checks.
7854 * gcse.c (dump_hash_table): Fix minor error in last change.
7855 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7856 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7859 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7861 * calls.c (expand_call) Do not attempt to combine stack adjustments
7862 with inhibit_defer_pop set.
7864 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7866 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7867 the DECL_SIZE for a FIELD_DECL.
7869 2000-03-01 Bruce Korb <bkorb@gnu.org>
7871 * fixinc/inclhack.tpl: remove unused symlinks
7872 * fixinc/README: GCC Maintainer info
7873 * fixinc/inclhack.sh: regen
7874 * fixinc/fixincl.sh: regen
7876 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7878 * cpphash.c (collect_expansion): Trim trailing white space
7879 from macro definitions, but don't go past the last insertion
7882 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7884 * i386.md (mulqi3): New pattern.
7886 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7888 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7890 (struct cpp_reader): Add parsing_if_directive and
7891 parsing_define_directive flags.
7892 (struct cpp_options): Remove output_conditionals flag.
7893 (check_macro_name): Delete prototype.
7895 * cpphash.h (struct macrodef): Delete.
7896 (struct reflist): Separate from struct definition.
7897 (struct definition): Remove unused fields. Add column number.
7898 (create_definition): Returns a DEFINITION *. Takes a
7899 cpp_reader * and an int.
7901 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7902 (PEEKC): Copy defn from cpplib.c.
7903 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7905 (struct arglist): Simplify.
7906 (collect_expansion): Rewrite. Get tokens by calling
7907 cpp_get_token. Add more error checking.
7908 (collect_formal_parameters): New function, broken out of
7909 create_definition and reworked to use get_directive_token.
7910 (create_definition): All real work is now in collect_expansion
7911 and collect_formal_parameters. do_define handles finding the
7912 macro name. Return a DEFINITION, not a MACRODEF.
7913 (macroexpand): Replace bcopy with memcpy throughout. Replace
7914 character-at-a-time copy loop with memcpy and pointer increments.
7915 (compare-defs): d1->argnames / d2->argnames might be null.
7917 * cpplib.c (copy_rest_of_line): Delete function.
7918 (skip_rest_of_line): Do all the work ourselves.
7919 (skip_string): New function.
7920 (parse_string): Use skip_string.
7921 (get_macro_name): New function.
7922 (check_macro_name): Delete.
7923 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7924 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7925 (handle_directive): ICE if we're called on a macro buffer.
7926 (do_define): Determine macro name and type (funlike/objlike)
7927 here. Expunge all uses of MACRODEF.
7928 (cpp_push_buffer): Set line_base to NULL.
7929 (do_undef, read_line_number): Don't worry about getting a POP token.
7930 (eval_if_expression): Set/reset parsing_if_directive around
7931 cpp_parse_expr. Don't clear only_seen_white.
7932 (skip_if_group): Remove output_conditionals logic. Use
7934 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7935 tokens under appropriate conditions.
7936 (cpp_unassert): Call do_unassert not do_assert. Oops.
7938 * cppexp.c (parse_defined): New function, break out of
7940 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7941 ourselves, with cpp_defined.
7942 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7944 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7945 * gcc.dg/strpaste-2.c: New.
7947 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7949 * fold-const.c (size_binop): Don't asert inputs are the same and
7950 have TYPE_IS_SIZETYPE set.
7951 (size_diffop): Likewise.
7953 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7955 * dwarfout.c (output_block): Output abstract blocks even if they
7956 don't have TREE_ASM_WRITTEN set.
7958 * calls.c (emit_library_call): Check for null REG.
7960 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7962 * c-decl.c (current_function_decl): Move to toplev.c.
7963 (init_decl_processing): Don't add current_function_decl as a ggc
7965 * dbxout.c (dbxout_symbol): Change return type to int.
7966 (dbxout_symbol_location, dbxout_syms): Likewise.
7967 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7968 any locals. Use current_function_func_begin_label if set.
7969 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7970 * dwarf2out.c (dwarf2out_begin_prologue): Set
7971 current_function_func_begin_label.
7972 * final.c (final_start_function): Reset it.
7973 * toplev.c (current_function_decl): Define it here.
7974 (current_function_func_begin_label): New variable.
7975 (main): Add both as ggc roots.
7976 * tree.h (current_function_func_begin_label): Declare.
7978 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7980 * gcse.c: Cleanups throughout: mostly white-space, but also
7981 some minor rearrangement of code.
7983 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7985 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7986 returns a PARALLEL. Use emit_group_load and use_group_regs
7988 (emit_library_call_value): Similarly.
7990 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7991 * pa/quadlib.asm: Remove.
7992 * pa/quadlib.c: New file.
7994 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7995 * configure: Rebuilt.
7997 2000-02-29 Philip Blundell <pb@futuretv.com>
7999 * config/arm/conix-elf.h: New file.
8000 * configure.in (arm*-*-conix*): New configuration.
8001 * configure: Regenerate.
8003 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
8005 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
8006 don't have TREE_ASM_WRITTEN set.
8008 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8010 * Eliminate DECL_FIELD_SIZE.
8011 * builtins.c (built_in_class_names, built_in_names): New variables.
8012 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
8013 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
8014 DECL_SIZE, not DECL_FIELD_SIZE.
8015 * print-tree.c (print_node): Remove code that prints extra blank
8016 lines in some cases.
8017 Properly handle inline and builtin function cases.
8018 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
8019 * tree.h (built_in_class_named, built_in_names): New declarations.
8020 (union tree_decl): Rename internal unions to u1 and u2 and change
8021 some of their components.
8022 Add new field built_in_class.
8023 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
8024 Reflect above changes.
8025 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
8026 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
8027 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
8028 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
8030 2000-02-28 Dmitri Makarov <dim@windriver.com>
8032 * extend.texi: Document ARM's support for long/short calls.
8034 * invoke.texi: Document ARM's -mlong-calls command line switch.
8036 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
8037 (arm_encode_call_attribute): Add prototype.
8038 (arm_set_default_type_attribute): Add prototype.
8039 (arm_strip_name_encoding): Add prototype.
8041 * config/arm/arm.c (arm_init_cumulative_args): replace
8042 initialisation og 'long_calls' field with initialisation of
8043 'call_cookie' field.
8044 (enum arm_pragma_enum): New enum.
8045 (arm_pragma_long_calls): New static variable.
8046 (arm_process_pragma): Also process "#pragma long_calls_off".
8047 (arm_valid_type_attribute_p): Accept short_call attribute.
8048 (arm_comp_type_attributes): Check long/short call attributes.
8049 (arm_encode_call_attribute): New function: Encode long_call
8050 or short_call attribute in function name.
8051 (arm_set_default_type_attributes): New function: Assign
8052 default attributes to newly defined type.
8053 (current_file_function_operand): New function: Return true if
8054 the symbol is a function which has already been compiled.
8055 (arm_is_longcall_p): New function: Return true if the
8056 indicated function should be called via a long call.
8057 (arm_get_strip_length): New function. Returns number of
8058 prefix characters to be stripped from a function's name.
8059 (arm_strip_name_encoding): New function. Strip prefix characters
8060 from a function's name.
8062 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
8064 (SHORT_CALL_FAG_CHAR): Define.
8065 (LONG_CALL_FAG_CHAR): Define.
8066 (ENCODED_SHORT_CALL_ATTR_P): Define.
8067 (ENCODED_LONG_CALL_ATTR_P): Define.
8068 (ARM_NAME_ENCODING_LENGTHS): Define.
8069 (STRIP_NAME_ENCODING): Define.
8070 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
8071 (ARM_ENCODE_CALL_TYPE): Define.
8072 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
8073 (ARM_DECLARE_FUNCTION_SIZE): Define.
8074 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
8076 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
8077 if a long call is needed.
8078 (call_value): Ditto.
8079 (call_symbol): Ditto.
8081 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
8082 ARM_DECLARE_FUNCTION_SIZE.
8084 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
8085 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
8086 (ARM_STRIP_NAME_ENCODING): Undefine.
8087 (STRIP_NAME_ENCODING): Undefine.
8088 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
8089 (ASM_DECLARE_FUNCTION_NAME): Ditto.
8090 (ASM_OUTPUT_COMMON): Ditto.
8091 (ASM_DECLARE_OBJECT_NAME): Ditto.
8093 * config/arm/pe.c (arm_dllexport_name_p): Check for
8095 (arm_dllimport_name_p): Ditto.
8096 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
8097 (arm_mark_dllimport): Ditto.
8099 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8101 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
8103 2000-02-28 Mark Mitchell <mark@codesourcery.com>
8105 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
8107 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
8109 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
8110 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
8111 NO_BUILTIN_WCHAR_TYPE is not defined.
8112 (CPP_WCHAR_TYPE): Delete.
8113 * cccp.c (main): Don't change wchar_type if cplusplus.
8114 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
8116 2000-02-28 Nick Clifton <nickc@cygnus.com>
8118 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
8120 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
8122 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
8123 (ASM_WEAKEN_LABEL): Define.
8125 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
8127 * expr.c (store_constructor): Do not emit USE.
8128 * rtl.h (stupid_life_analysis): Remove.
8130 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8132 * function.c (number_blocks): Reset next_block_index based on
8133 what debugging format is used, not what is defined.
8135 * lcm.c: Minor reformatting throughout.
8136 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
8138 * toplev.c (rest_of_compilation): Account for time in
8139 optimize_mode_switching.
8141 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
8142 if only marking labels.
8144 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
8146 * calls.c (expand_call): Attempt to combine stack adjustments with
8147 pending stack adjustments.
8149 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8151 * loop.c (reg_in_basic_block_p): Don't abort when falling through
8152 to the end of the function.
8154 2000-02-27 Mark Mitchell <mark@codesourcery.com>
8156 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
8158 * final.c (next_block_index): Remove.
8159 (max_block_depth): Likewise.
8160 (pending_blocks): Likewise.
8161 (init_final): Don't initialize them.
8162 (final_start_function): Don't set next_block_index. Set up
8164 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
8165 * function.h (number_blocks): New function.
8166 * function.c (get_block_vector): New function.
8167 (identify_blocks): Use it.
8168 (reorder_blocks): Set NOTE_BLOCK.
8169 (number_blocks): New function.
8170 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
8171 * tree.h (BLOCK_NUMBER): New macro.
8172 (tree_block): Add block_num field.
8173 * dbxout.c (next_block_number): Remove.
8174 (dbxout_init): Don't set it.
8175 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
8176 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
8178 * toplev.c (rest_of_compilation): Always call
8179 find_loop_tree_blocks. Fix indentation.
8180 * dwarf2out.c (next_block_number): Remove.
8181 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8182 to determine block numbers.
8183 (gen_inlined_subroutine_die): Likewise.
8184 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
8185 (decls_for_scope): Don't increment next_block_number.
8186 * dwarfout.c (next_block_number): Remove.
8187 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
8188 to determine block numbers.
8189 (output_inlined_subroutine_die): Likewise.
8190 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
8191 (output_decls_for_scope): Don't increment next_block_number.
8192 * sdbout.c (next_block_number): Remove.
8193 (sdbout_block): Use BLOCK_NUMBER.
8194 (sdbout_begin_block): Simplify.
8195 * xcoffout.c (next_block_number): Remove.
8196 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
8197 (xcoffout_begin_block): Don't set next_block_number.
8198 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
8201 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8203 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
8204 (expand_builtin_strcpy): Pass correct type to size_binop.
8205 (expand_builtin_strcmp): Likewise.
8206 Clean up conditional structure.
8207 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
8208 (complete_array_type): Don't use size_binop for MAXINDEX.
8209 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
8210 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
8211 (c_alignof): Use size_one_node.
8212 (build_unary_op): Pass arg of proper type to size_binop.
8213 (really_start_incremental_init, push_init_level): Use sizetype for
8214 constructor{,_bit,_unfilled}_index.
8215 (pop_init_label, output_init_element): Likewise.
8216 (output_pending_init_elements, process_init_element): Likewise.
8217 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
8218 * expr.c (store_expr): Use size_int.
8219 (store_constructor): Use proper types for size_binop args.
8220 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
8221 (expand_expr_unaligned): Likewise.
8222 (string_contant): Return object of sizetype.
8223 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8224 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8225 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8226 * fold-const.c (int_const_binop): Refine when size_int is called.
8227 (fold_convert): Likewise.
8228 (size_int_wide): Rework to take KIND as arg, only take low order
8229 bits, handle new sizetype_tab datatype, and chain entries in
8231 (size_int_type_wide): New function.
8232 (size_binop): Validate types of arguments.
8233 (ssize_binop): Deleted.
8234 (size_diffop): New function.
8235 (extract_muldiv): Only fold division into multiplication for sizetypes.
8236 * function.c (assign_parms): Use size_diffop and make sure
8237 VAR field is of ssizetype; also pass proper type to size_binop.
8238 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8239 (round_down): Deleted from here.
8240 * store-layout.c (sizetype_tab): Now an array.
8241 (sizetype_set, early_root_list): New variables.
8242 (variable_size): Use size_one_node.
8243 (round_up): Pass proper type to size_binop.
8244 (round_down): Moved to here and corrected as above.
8245 (layout_record): Pass proper arg types to size_binop.
8246 (layout_type): Likewise.
8247 If sizetype_set is zero, record the type just laid out.
8248 (make_unsigned_type): Don't call set_sizetype;
8249 (make_signed_type): Likewise; also, call fixup_signed_type.
8250 (initialize_sizetypes): New function.
8251 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8252 set name of bitsizetype to "bit_size_type".
8253 Fix up type of sizes of all types made before call.
8254 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8255 * tree.c (fix_sizetype): Deleted.
8256 (build_common_tree_nodes): Call initialize_sizetypes.
8257 (build_common_tree_nodes_2): Don't call fix_sizetype.
8258 * tree.h (TYPE_IS_SIZETYPE): New macro.
8259 (initialize_sizetype): New declaration.
8260 (enum size_type_kind): New type.
8261 (struct sizetype_tab): Deleted.
8262 (sizetype_tab): Now array; adjust sizetype macros.
8263 (size_diffop, size_int_type_wide): New functions.
8264 (size_int_wide): Change number of args and type; access macros changed.
8265 (ssize_int, sbitsize_int): New macros.
8266 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8267 (ROUND_TYPE_SIZE_UNIT): New macro.
8269 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8271 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8273 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8275 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8276 Mark as possibly unused.
8278 * cse.c (cse_insn): Delete dead code involving tablejump.
8279 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8281 * Makefile.in (libcpp.a): Start by deleting it.
8283 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8285 * cpplib.h (enum file_change_code): Added rename_file.
8286 * cpplib.c (do_line): If a filename is given, set file_change to
8288 (output_line_command): If file_change is rename_file, always
8289 output a # directive with the file name.
8291 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8293 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8295 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8296 when copying a PARM_DECL or RESULT_DECL.
8298 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8300 * fix-header.c (recognized_function): Also fix prototypes for
8301 functions taking "void".
8303 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8305 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8306 looking at reg_reloaded_contents.
8308 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8310 * Makefile.in (STMP_FIXINC): New toggle.
8311 (LIBGCC2_DEPS): Delete all references.
8312 (stmp-headers): Delete target. All references either deleted
8313 or changed to stmp-int-headers.
8314 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8315 (LIBCPP_OBJS): Take out cppalloc.o.
8316 (cppalloc.o): Delete target.
8317 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8318 (gen-protos, fix-header): Link with libiberty.a.
8319 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8322 * configure.in: Remove refs to strerror.
8323 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8324 * system.h: Take out strerror stanza.
8326 * cpperror.c (my_strerror): Delete function.
8327 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8328 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8329 * cppalloc.c: Delete file.
8330 * gen-protos.c: Don't provide xrealloc.
8332 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8333 xstrerror throughout.
8335 2000-02-26 Bruce Korb <bkorb@gnu.org>
8337 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8338 match for DOS headers, too.
8339 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8341 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8343 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8344 is right for most ELF targets.
8345 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8346 Let the default file use %U properly.
8347 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8350 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8353 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8355 * toplev.c (documented_lang_options): Correct spelling error.
8356 (decode_d_option, decode_f_option, main): Likewise.
8358 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8360 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8361 to tell assembler it is permitted to expand large constants.
8363 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8365 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8366 (aux_info_suffix): Use.
8367 (SAVE_SUFFIX): New macro.
8369 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8370 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8371 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8373 * invoke.texi (Running Protoize): Update documentation.
8375 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8377 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8379 2000-02-25 John Wehle (john@feith.com)
8381 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8383 2000-02-25 Anthony Green <green@cygnus.com>
8385 * toplev.c (rest_of_compilation): Rebuild jump labels if
8386 combine_instructions has created a new direct jump.
8387 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8389 (combine_instructions): Call try_combine with new argument.
8390 Return non-null value when new direct jump instruction is created.
8391 * rtl.h: combine_instructions returns an int.
8393 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8395 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8396 jump when changing a computed jump into a jump to a known
8399 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8401 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8402 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8404 * i386.md (define_expand "clrstrsi"): Fix typo.
8406 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8408 * rtl.texi: Fix typo.
8410 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8412 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8413 UNITS_PER_WORD. Change caller initial_elimination_offset.
8414 (rounded_frame_size): Take into account that argument pushed has
8415 changed. Fix TARGET_ALIGN_DOUBLE problem.
8417 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8419 * haifa-sched.c (schedule_block): Explain the real reason
8420 we delete REG_SAVE_NOTEs on the first insn of a block.
8421 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8423 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8425 * input.h (push_srcloc): New function.
8426 (pop_srcloc): Likewise.
8427 * toplev.c (push_srcloc): Define it.
8428 (pop_srcloc): Likewise.
8430 2000-02-24 Richard Henderson <rth@cygnus.com>
8432 * flow.c (life_analysis): When collecting reg info, clear
8435 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8437 Fix bug exposed by reload.c no longer rounding the frame
8438 size to BIGGEST_ALIGNMENT:
8439 * sh.c (rounded_frame_size): New function.
8440 (sh_expand_prologue, sh_expand_epilogue): Use it.
8441 (initial_elimination_offset): Likewise.
8443 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8445 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8446 * sh-protos.h (sh_need_epilogue): Declare.
8447 * sh.c (sh_need_epilogue_known): New static variable.
8448 (sh_need_epilogue): New function.
8449 (function_epilogue): Clear need_epilogue_known.
8450 * sh.md (return): Split into expander / insn pattern.
8451 Make the expander conditional on ! sh_need_epilogue ().
8453 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8455 * machmode.h (get_mode_alignment): Declare.
8456 (GET_MODE_ALIGNMENT): Call it.
8457 * stor-layout.c (get_mode_alignment): New function. Make
8458 sure alignment is always power of 2.
8460 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8462 * i386.h: Remove useless definition of "I386" and misleading
8465 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8467 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8468 under which TREE_PERMANENT will be set.
8469 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8470 build1): Use TREE_SET_PERMANENT.
8471 * print-tree.c (print_node): Don't report value of
8472 TREE_PERMANENT if ggc_p is true.
8474 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8475 decide whether to give a type a new alias set.
8476 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8477 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8478 of value of 'obstack'.
8481 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8483 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8485 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8487 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8488 * cpplib.c (cpp_get_token): Produce them.
8489 * cppexp.c (cpp_lex): Handle them.
8491 2000-02-23 Nick Clifton <nickc@cygnus.com>
8493 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8494 comment tests on type attributes.
8496 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8498 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8499 conform to documentation.
8500 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8501 to check for special cases.
8502 * sh-protos.h (sh_loop_align): Declare.
8503 * sh.c (sh_loop_align): Define.
8505 2000-02-22 Andrew Haley <aph@cygnus.com>
8507 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8508 (SIZE_TYPE): Is 32 bits when using -mgp32.
8509 (PTRDIFF_TYPE): Ditto.
8511 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8513 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8515 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8517 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8518 BIGGEST_FIELD_ALIGNMENT a constant.
8520 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8522 * dwarf2out.c (output_line_info): Put the marker for the end of
8523 the line number info at the actual end.
8524 (gen_struct_or_union_type_die): Use decl_function_context
8525 to check for local classes.
8526 * dwarfout.c (output_type): Likewise.
8528 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8530 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8531 for arguments with a mode, but no type.
8532 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8533 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8534 * pa/long_double.h: New file.
8535 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8536 both have 128bit wide long doubles.
8537 * configure: Rebuilt.
8539 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8541 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8543 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8544 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8545 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8547 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8549 * integrate.c (compare_blocks, find_block): Likewise.
8551 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8553 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8555 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8556 expand_asm_operands): Likewise.
8558 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8560 * predict.c (estimate_probability): Added the pointer heuristic to
8561 the collection of static branch predictors.
8563 2000-02-21 Catherine Moore <clm@cygnus.com>
8565 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8566 * invoke.texi (-mfix7000): Document.
8568 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8570 * diagnostic.c (init_output_buffer): Make it possible to output at
8571 least 32 characters if we're given a too long prefix.
8573 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8575 * varasm.c (initializer_constant_valid_p): Call
8576 lang_expand_constant to simplify the constant.
8578 2000-02-20 Bruce Korb <bkorb@gnu.org>
8580 * fixinc/inclhack.def(stdio_va_list):
8581 typedef needs to be disabled.
8582 * fixinc/inclhack.sh: regen
8583 * fixinc/fixincl.x: regen
8585 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8587 * print-rtl.c (print_rtx): Don't print addresses when
8588 flag_dump_unnumbered.
8590 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8592 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8594 (sparc_va_arg, sparc_flat_output_function_prologue,
8595 sparc_flat_output_function_epilogue): Cast value to unsigned in
8597 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8599 * sparc.md: Add default case in switch.
8601 2000-02-19 Richard Henderson <rth@cygnus.com>
8603 * c-typeck.c (add_pending_init): Don't abort for multiple
8604 fields at the same offset.
8605 (pending_init_member): Test the correct member.
8607 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8609 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8611 (start_catch_handler) : Same.
8613 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8615 * Makefile.in: Have flow.o depend on $(EXPR_H)
8617 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8619 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8620 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8621 (finish_decl): Remove -Wlarger-than code from here.
8622 * flags.h (id_clash_len): Now int.
8623 (larger_than_size): Now HOST_WIDE_INT.
8624 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8625 Clean up checking to see if in table.
8626 (make_bit_field_ref): Remove extra parm to bitsize_int.
8627 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8628 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8629 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8630 and for computing size of decl.
8631 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8632 Move -Wlarger-than code to here.
8633 (layout_record): Remove extra arg to bitsize_int.
8634 Set TYPE_BINFO_SIZE_UNIT.
8635 (layout_union): Remove extra arg to bitsize_int.
8636 Use proper type for size of QUAL_UNION.
8637 (layout_type): Remove extra arg to bitsize_int.
8638 * toplev.c (id_clash_len): Now int.
8639 (larger_than_size): Now HOST_WIDE_INT.
8640 (decode_W_option): Clean up id-clash and larger-than- cases.
8641 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8642 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8643 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8644 (struct tree_decl): New field size_unit.
8645 (size_int_wide): No HIGH operand; NUMBER is now signed.
8646 (size_int_2): Deleted.
8647 (size_int, bitsize_int): Don't use it and rework args.
8648 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8650 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8652 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8654 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8656 * invoke.texi (Warning Options): Add an explanation of why
8657 you might want the -Wfloat-equal flag.
8659 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8661 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8662 * cppinit.c (new_pending_define): Add cast to avoid warning.
8663 * expmed.c (extract_bit_field): Likewise.
8664 * flow.c (enum reorder_skip_type): New type.
8665 (skip_insns_between_blcok): New it.
8666 Rework to avoid warning about possibly undefined variable.
8667 * function.c (assign_parms): Make thisparm_boundary unsigned.
8668 * genrecog.c (write_switch): Cast XWINT result to int.
8669 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8670 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8671 one for MIPS and one for Alpha.
8672 (get_tag, copy_object): Add casts to avoid warnings.
8673 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8674 * reload.c (find_reloads): Make TYPE enum reload_type.
8675 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8676 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8677 * varasm.c (compare_constant_1): Add cast to avoid warning.
8678 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8680 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8681 Cast switch operand of size to int.
8682 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8683 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8686 2000-02-18 Nick Clifton <nickc@cygnus.com>
8688 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8689 anything for an alignment of zero.
8691 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8692 anything for an alignment of zero.
8694 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8696 * gcc.texi (Bug Reporting): Refer to bugs.html.
8697 (Bug Lists): Likewise.
8698 * system.h (GCCBUGURL): New preprocessor define.
8699 * rtl.c (fancy_abort): Use it.
8700 * gcc.c (main): Likewise.
8702 2000-02-18 Richard Henderson <rth@cygnus.com>
8704 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8705 (life_analysis_1): Subsume into ...
8706 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8707 Use update_life_info for the relaxation.
8708 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8709 entry and regs_live_at_setjmp.
8710 (set_noop_p): Simplify.
8711 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8712 (record_volatile_insns): Split into ...
8713 (delete_noop_moves): ... here,
8714 (notice_stack_pointer_modification): ... here,
8715 (insn_dead_p): ... and here.
8716 (propagate_block): Don't query INSN_VOLATILE.
8717 (mark_used_regs): Mind !PROP_REG_INFO.
8718 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8719 not in life_analysis.
8721 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8723 * loop.c (canonicalize_condition): New function,
8724 broken out of get_condition.
8725 (get_condition): Use it.
8726 * expr.h (canonicalize_condition): Prototype it.
8728 * tree.h (tree_int_cst_msb): Declare.
8729 * tree.c (tree_int_cst_msb): New function.
8731 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8733 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8736 * invoke.texi (-fmessage-length=n): Document.
8738 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8740 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8742 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8744 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8747 2000-02-17 Nick Clifton <nickc@cygnus.com>
8749 * config/arm/thumb.c: Replace includes of system headers with
8750 #include "system.h".
8752 2000-02-16 Richard Henderson <rth@cygnus.com>
8754 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8755 Add crtbeginS.o and crtendS.o.
8756 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8757 (ENDFILE_SPEC): Use crtendS.o.
8758 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8760 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8761 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8763 (__dso_handle): New variable.
8764 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8765 bias to __CTOR_END__.
8767 2000-02-16 Richard Henderson <rth@cygnus.com>
8769 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8771 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8773 * longlong.h (__clz_tab): Declare as static to match definition.
8775 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8776 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8777 (XREF_FILE_NAME): Define.
8779 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8780 (EH_FRAME_SECTION_ASM_OP): Define.
8781 (IDENT_ASM_OP): Define.
8782 (TEXT_SECTION_ASM_OP): Define.
8784 (CTORS_SECTION_ASM_OP): Define.
8785 (CTOR_SECTION_FUNCTION): Use it.
8786 (DTORS_SECTION_ASM_OP): Define.
8787 (DTOR_SECTION_FUNCTION): Use it.
8789 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8791 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8794 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8795 debug_bb_n): New functions.
8796 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8797 * basic-block.h: Prototype new functions.
8799 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8801 * configure.in: Add support for avr target.
8802 * configure: Rebuilt.
8804 * invoke.texi: Add AVR invocation docs.
8805 * install.texi: Add information about AVR.
8806 * md.texi: Add AVR constraint letters description.
8807 * extend.texi: Add description for AVR specific attributes.
8809 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8811 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8813 2000-02-16 Nick Clifton <nickc@cygnus.com>
8815 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8816 (make_insn_raw): Move RTL check here.
8818 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8820 * version.c: Include gansidecl.h and version.h.
8822 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8824 * configure.in (gcc_version): When setting, narrow search to
8825 lines containing `version_string'.
8827 * Makefile.in (mainversion): Likewise.
8828 (GCC_H): New variable.
8829 (gcc.h): Delete target.
8830 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8831 (version.o): Depend on version.h.
8832 (dbxout.o): Don't depend on gcc.h.
8834 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8835 Michael Meissner <meissner@cygnus.com>
8837 * md.texi (Simple Constraints): Add item about whitespace.
8838 * genoutput.c (strip_whitespace): New.
8839 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8840 strip_whitespace for constraints.
8841 Test pointer using NULL, not 0.
8843 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8845 * cpplib.c (do_line): Pedwarn for #line > 32767.
8847 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8849 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8851 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8852 to default cpp spec.
8853 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8854 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8857 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8860 2000-02-15 Denis Chertykov <denisc@overta.ru>
8862 * configure.in: Add support for avr target.
8864 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8866 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8867 (sh_addr_diff_vec_mode): Don't declare.
8868 * sh.c (sh_addr_diff_vec_mode): Delete.
8870 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8872 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8874 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8876 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8877 (smulsi3_highpart_i): Name.
8878 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8879 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8880 (smulsi3_highpart, umulsi3_highpart): Likewise.
8882 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8883 correctly independent of endianness.
8884 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8885 confuse the optimizers.
8886 (mulsidi3+1, umulsidi3+1): New define_split.
8888 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8890 * config/sh/sh.md: Guard insn splits against illegal registers.
8891 * config/sh/sh.h: Correct comment about macros.
8893 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8894 Andrew MacLeod <amacleod@cygnus.com>
8896 * Makefile.in (lcm.o): Depend on insn-attr.h.
8897 * basic-block.h (optimize_mode_switching): Declare.
8898 * lcm.c (tm_p.h, insn-attr.h): #include.
8899 (seginfo, bb_info): New structs.
8900 (antic, transp, comp, delete, insert) : New file-scope static variables.
8901 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8902 (reg_becomes_live, optimize_mode_switching): Likewise.
8903 * tm.texi: Add description of mode switching macros.
8904 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8906 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8907 (fldi_ok, fpscr_set_from_mem): New prototypes.
8908 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8909 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8910 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8911 (sh_flag_remove_dead_before_cse): Remove declaration.
8912 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8913 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8914 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8915 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8916 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8917 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8918 (fldi_ok): New function.
8919 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8920 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8921 (emit_df_insn): Likewise.
8922 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8923 (sh_flag_remove_dead_before_cse): Delete.
8924 (get_free_reg, fpscr_set_from_mem): New functions.
8925 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8926 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8928 2000-02-15 Loren Rittle <ljrittle@acm.org>
8930 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8932 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8934 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8935 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8937 * cccp.c: Include version.h and/or don't declare `version_string'.
8938 * collect2.c: Likewise.
8939 * alpha.c: Likewise.
8940 * arm/aof.h: Likewise.
8941 * arm/coff.h: Likewise.
8942 * arm/elf.h: Likewise.
8943 * arm/pe.h: Likewise.
8944 * arm/tcoff.h: Likewise.
8945 * arm/telf.h: Likewise.
8946 * arm/tpe.h: Likewise.
8947 * arm/vxarm.h: Likewise.
8948 * convex/convex.c: Likewise.
8949 * i386/dgux.c: Likewise.
8950 * i386/sun386.h: Likewise.
8951 * m88k/m88k.c: Likewise.
8952 * mcore/mcore-pe.h: Likewise.
8953 * mips/mips.h: Likewise.
8954 * romp/romp.h: Likewise.
8955 * sh/sh.c: Likewise.
8956 * cpphash.c: Likewise.
8957 * cppinit.c: Likewise.
8958 * dwarf2out.c: Likewise.
8959 * dwarfout.c: Likewise.
8962 * mips-tfile.c: Likewise.
8963 * protoize.c: Likewise.
8964 * toplev.c: Likewise.
8967 * version.c (version_string): Constify a char*.
8969 * version.h: New file.
8971 2000-02-14 Nick Clifton <nickc@cygnus.com>
8973 * configure.in: Add mcore-elf and mcore-pe targets.
8974 * configure: Regenerate.
8976 * NEWS: Add note that MCore port has been contributed.
8978 * invoke.texi: Document command line switches for MCore port.
8979 * install.texi: Add MCore to list of supported targets.
8981 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8983 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8984 then we will need to import the frame handling functions.
8985 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8986 to import the frames themselves.
8988 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8989 Jason Eckhardt <jle@cygnus.com>
8991 * basic_block.h: Added prototype for reorder_basic_blocks.
8992 * toplev.c: Changes to add -freorder-blocks and graph dump after
8993 block reordering is done.
8994 * flow.c (reorder_block_def): New structure for use during block
8996 (REORDER_BLOCK_*): New macros to access members of above structure.
8997 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8998 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8999 functions for block reordering.
9001 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
9003 * gcc.texi (Passes): Fix typo.
9004 * md.texi (Standard Names): Ditto.
9005 * tm.texi (Storage Layout): Ditto.
9007 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9009 * cpplib.c (do_define): Only free the old definition if it
9012 2000-02-13 Neil Booth <NeilB@earthling.net>
9014 * cppfiles.c (read_and_prescan): When emitting deferred
9015 newlines, test speccase[] again instead of checking each
9016 possible whitespace character in turn. When we encounter \r,
9017 look behind for \n first, then ahead.
9019 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
9021 * cse.c (cse_altered): New internal flag.
9022 (cse_insn): Set it if we changed an insn.
9023 (cse_main): Clear cse_altered before each basic block.
9024 Only garbage collect if cse_altered is true afterward.
9026 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9028 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
9030 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
9032 * combine.c (simplify_comparison): Fix typo.
9034 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
9036 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
9039 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9041 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
9042 previously inserted node instead of root node. Caller changed.
9044 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9046 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
9048 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9050 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
9051 __dereg_frame_dtor): Add prototype argument.
9053 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
9055 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
9057 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
9059 * gthr-vxworks.h (__gthread_once): Likewise.
9061 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
9063 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
9065 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
9066 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
9067 stack pointer in functions w/o saved registers, output LEAVE more often
9068 on TARGET_USE_LEAVE machines.
9070 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
9072 * config/arm/arm.c (arm_init_cumulative_args); New function:
9073 Initlaise the CUMULATIE_ARGS strcuture for a function
9075 (arm_function_arg): New function: Determine where to place a
9076 function's argument. Also handles deciding the function's
9078 (current_file_function_operand): New function: Return true if
9079 the symbol is a function which has already been compiled.
9080 (arm_is_long_call_p): New function: Return true if the
9081 indicated function should be called via a long call.
9082 (arm_valid_type_attribute_p): New function: Return true if the
9083 attribute is a valid, arm specific, attribute.
9084 (arm_comp_type_attribute): New function: Return true if the
9085 two types have compatable, arm specific, attributes.
9087 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
9089 (FUNCTION_ARG): Redefine to call arm_function_arg.
9090 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
9092 (INIT_CUMULATIVE_ARGS): Redefine to call
9093 arm_init_cumulative_args.
9094 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
9096 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
9098 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
9100 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
9101 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
9102 (COMP_TYPE_ATTRIBUTES): Define.
9104 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
9105 if a long call is needed.
9106 (call_value): Call arm_is_long_call_p to decide if a long call
9108 (call_symbol): Call arm_is_long_call_p to decide if a long call
9111 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
9113 2000-02-11 Denis Chertykov <denisc@overta.ru>
9115 * README.AVR: New file with information about the avr ports.
9116 * config/avr: New directory with avr port files.
9118 2000-02-11 Andreas Jaeger <aj@suse.de>
9120 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
9122 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
9124 * cpphash.c: Fix formatting, update commentary.
9125 (dump_definition): Take three separate arguments instead of a
9126 MACRODEF structure argument.
9127 * cpphash.h: Update prototype of dump_definition.
9128 * cppinit.c (cpp_finish): Update call of dump_definition.
9130 * cpplib.c (do_define): Always create new hash entry with
9131 T_MACRO type. Remove redundant check for redefinition of
9132 poisoned identifier. Update call of dump_definition.
9133 (do_undef): Don't call check_macro_name. Rename sym_length to
9135 (do_error, do_warning): Don't use copy_rest_of_line or
9137 (do_warning): Don't use pedwarn for the actual warning,
9138 only the notice about its not being in the standard. (Fixes
9139 bug with #warning in system headers.)
9140 (do_ident): Stricter argument checking - accept only a single
9141 string after #ident. Also, macro-expand the line.
9142 (do_xifdef): Use cpp_defined. De-obfuscate.
9144 (do_pragma): Split out specific pragma handling to separate
9145 functions. Use get_directive_token. Update commentary. Do
9146 not pass on #pragma once or #pragma poison to the front end.
9147 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
9148 do_pragma_default): New.
9150 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
9152 * jump.c (jump_optimize_1): The first operand in a relational
9154 * optabs.c (emit_conditional_move): Handle relationals which
9155 have a known true/false result.
9157 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9159 * function.c (thread_prologue_and_epilogue_insns): Don't insert
9160 a RETURN insn into a block which already ends with a jump.
9162 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9164 * haifa-sched.c (BUF_LEN): Increase a lot.
9166 2000-02-11 Nick Clifton <nickc@cygnus.com>
9168 * configure.in: Add tm_p_file specification for thumb targets.
9169 * configure: Regenerate.
9171 * config/arm/thumb-protos.h: New file: Prototypes for exported
9172 functions defined in thumb.c.
9174 2000-02-11 Robert Lipe <robertl@sco.com>
9176 * Makefile.in (bootstrap-lean): Remove additional files.
9177 (bootstrap2-lean): Likewise.
9178 (VOL_FILES): List of files for above.
9180 2000-02-11 Nathan Sidwell <nathan@acm.org>
9182 * cpphash.c (special_symbol): Remove spurious argument to
9185 2000-02-11 Joel Sherrill (joel@OARcorp.com>
9187 * configure.in: (i*86-*-rtems*): Swapped elf and coff
9189 * configure: Rebuilt.
9191 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
9193 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
9195 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
9197 * pa.c, pa.h: Remove trigraph sequences within comments.
9199 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
9201 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
9203 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
9205 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
9207 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9209 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
9211 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9213 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
9214 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
9215 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
9216 (ASM_FILE_END): Use c4x_file_end.
9217 * config/c4x/c4x.c (c4x_global_label): New function.
9218 (c4x_external_ref, c4x_file_end): Likewise.
9220 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
9221 (c4x_external_ref, c4x_end_file): Likewise.
9223 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9225 * cppexp.c: Don't include cpphash.h.
9226 (parse_charconst, cpp_lex): Use cpp_defined.
9227 (cpp_lex): Use get_directive_token throughout. Remove
9228 unnecessary cases from switch. Move assertion-handling code
9230 (cpp_parse_expr): If we see '+' or '-', check the context to
9231 determine if they are unary or binary operators. Streamline
9232 the jumps a bit. Do not call skip_rest_of_line.
9234 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9235 static. Export get_directive_token. Update commentary.
9236 (cpp_defined): New function.
9237 (do_define): Remove reference to T_PCSTRING. Call
9238 free_definition to release memory for old definition, when
9240 (eval_if_expression): Set only_seen_white to 0 before calling
9241 cpp_parse_expr. Call skip_rest_of_line after it returns.
9242 (cpp_read_check_assertion): Don't preserve a pointer into the
9243 token buffer across a call to cpp_get_token.
9245 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9246 * cppfiles.c (redundant_include_p): Use cpp_defined.
9247 * cpphash.c (free_definition): New function.
9248 (delete_macro): Use it. Update commentary.
9249 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9251 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9252 from enum node_type. Prototype cpp_defined and get_directive_token.
9253 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9255 * fix-header.c (check_macro_names): Use cpp_defined.
9256 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9257 the options structure.
9259 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9261 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9263 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9265 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9266 rather than die->die_tag.
9268 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9270 * combine.c (make_extraction, force_to_mode): Avoid warning on
9271 mixed-signedness conditionals.
9272 (make_field_assignment, nonzero_bits): Likewise.
9273 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9274 (store_split_bit_field, extract_split_bit_field): Likewise.
9275 (extract_fixed_bit_field, store_bit_field,
9276 * expr.c: Change alignment to be unsigned everywhere.
9277 (move_by_pieces, store_constructor_field, store_constructor):
9278 Alignment parm is unsigned.
9279 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9280 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9281 (do_compare_rtx_and_jump): Likewise.
9282 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9283 Compare align with GET_MODE_ALIGNMENT.
9284 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9285 (get_inner_reference): Likewise.
9286 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9287 (expand_assignment): Local vars for alignment now unsigned.
9288 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9289 (do_compare_and_jump): Likewise.
9290 (store_field): Call new function expr_align.
9291 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9292 Alignment arg now unsigned.
9293 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9294 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9295 (extract_bit_field): Likewise.
9296 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9297 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9298 (get_best_mode): Alignment arg is unsigned.
9299 * rtl.h (move_by_pieces): Likewise.
9300 * store-layout.c (maximum_field_alignment, set_alignment):
9302 (layout_decl): Alignment arg is now unsigned.
9303 Remove unneeded casts.
9304 (layout_record, layout_union, layout_type): Remove unneeded casts.
9305 Local alignment variables now unsigned.
9306 (get_best_mode): Alignment arg now unsigned.
9307 * tree.c (expr_align): New function.
9308 * tree.h (expr_align): Likewise.
9309 (maximum_field_alignment, set_alignment): Now unsigned.
9310 (get_inner_reference): Alignment argument is now pointer to unsigned.
9311 * varasm.c (assemble_variable): Add cast to eliminate warning.
9313 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9315 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9316 then store directly into op0.
9318 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9319 the CALL_INSN, and emit the note immediately after it.
9321 2000-02-10 Nick Clifton <nickc@cygnus.com>
9323 * config/arm/thumb.md (epilogue): Include a (return) in the
9324 generated insn, and emit it using emit_jump_insn not
9327 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9329 * function.c (assign_temp): Change zero-sized arrays to size 1.
9330 * integrate.c (expand_inline_function): Do not update
9331 stack_alignment_needed
9332 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9333 add some sanity checking, remove optimization for function with
9336 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9338 * flow.c (mark_regs_live_at_end): Delete unused variables.
9340 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9342 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9343 in macro FRAME_GROWS_DOWNWARD.
9345 * stmt.c (expand_end_bindings): Delete unused variable.
9347 * unroll.c (iteration_info): Mark parameter `loop' with
9350 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9352 * fixinc/server.c (load_data): Return NULL if the marker line is
9354 (run_shell): If load_data returns NULL, retry the command once, in
9357 * configure: Rebuilt.
9359 2000-02-09 Bruce Korb <bkorb@gnu.org>
9361 * gcc/fixincludes: ** DELETED **
9362 * gcc/fixcpp: ** DELETED **
9363 * gcc/fixinc-nt.sed: ** DELETED **
9364 * gcc/just-fixinc: ** DELETED **
9365 * gcc/Makefile.in: Removed out-dated commentary
9366 * gcc/configure.in: Removed fast-fixincludes disablement.
9367 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9369 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9370 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9373 2000-02-09 Richard Henderson <rth@cygnus.com>
9375 * jump.c (delete_insn): Don't delete user labels at -O0.
9377 2000-02-09 Robert Lipe <robertl@sco.com>
9379 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9380 Don't link with HOST_LIBS.
9382 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9384 * configure.in: Correct --help text for --with-dwarf2.
9385 Put tm-dwarf2.h after other tm files, if it's requested.
9386 * configure: Regenerate.
9387 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9390 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9392 * cpplib.h: Provide HASHNODE typedef and forward decl of
9393 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9394 DEFINITION, struct hashnode, struct macrodef, struct
9395 definition, scan_decls prototype, default defn of
9396 INCLUDE_LEN_FUDGE moved elsewhere.
9398 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9399 definition, and struct hashnode moved here. Remove the unused
9400 'predefined' field from struct definition. Replace the 'args'
9401 union with its sole member. All users updated (cpphash.c).
9402 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9403 multiple include guard.
9405 * cpphash.c (hashf): Make static; use better algorithm; drop
9406 HASHSIZE parameter; return an unsigned int.
9407 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9408 used. Calculate HASHSIZE modulus here.
9409 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9411 (create_definition): Drop PREDEFINITION parameter.
9412 * cpplib.c (do_define): Don't calculate a hash value here.
9413 Don't pass (keyword == NULL) to create_definition.
9415 * scan.h: Prototype scan_decls here.
9416 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9417 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9418 callers of cpp_lookup and cpp_install updated.
9420 * cpphash.c (macarg): Hoist all the flag diddling out of the
9422 (macroexpand): ... and out of the loop that calls macarg.
9423 Skip over the initial paren before macro arguments with
9424 cpp_get_non_space_token; point may be some distance before
9425 that paren. Abort if it's not there.
9427 * cpplib.c (parse_clear_mark): Delete function.
9428 (parse_set_mark, parse_goto_mark): Make static.
9429 (ACTIVE_MARK_P): New macro.
9430 (skip_block_comment, skip_line_comment): Do not bump the line
9431 if ACTIVE_MARK_P is true.
9432 (cpp_pop_buffer): The buffer to be popped may not have an
9434 (cpp_get_token): When looking for the initial paren before
9435 macro arguments, only set a mark in a file buffer, Always
9436 return to that mark before proceeding to call macroexpand or
9437 return a NAME token.
9439 * cpplib.h: Remove prototypes of parse_set_mark,
9440 parse_clear_mark, parse_goto_mark.
9441 (struct cpp_options): Rename 'put_out_comments' to
9442 'discard_comments' and invert its sense.
9443 * cppinit.c, cpphash.c, cpplib.c: All users of
9444 put_out_comments changed to use discard_comments, with
9447 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9449 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9450 the edge from a block that both jumps and falls through to the
9453 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9455 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9456 constant source address is legitimate.
9458 2000-02-09 Philip Blundell <pb@futuretv.com>
9460 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9463 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9465 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9467 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9469 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9470 ends with a newline and a NUL. Don't be so clever manipulating
9473 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9475 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9476 not to BIGGEST_ALIGNMENT.
9478 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9480 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9481 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9482 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9483 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9484 * frame.c (execute_cfa_insn): Handle
9485 DW_CFA_GNU_negative_offset_extended.
9487 2000-02-08 Richard Henderson <rth@cygnus.com>
9489 * flow.c (tidy_fallthru_edges): Split out from ...
9490 (delete_unreachable_blocks): ... here.
9491 (find_basic_blocks): Use it.
9493 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9495 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9497 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9499 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9500 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9501 (fix-header.o): Don't depend on cpphash.h.
9503 * scan.c (hashstr): New function.
9504 * scan.h: Prototype it.
9505 * fix-header.c: Don't include cpphash.h. Use hashstr.
9506 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9507 hashstr. Report hash table statistics. Add private
9508 definition of xrealloc.
9510 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9512 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9514 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9516 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9517 jumps with returns unless they are jumps to the fallthru block.
9519 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9521 * i386.md (addqi3_cc): Fix contraints.
9523 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9525 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9527 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9529 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9530 carriage return after a macro name.
9532 2000-02-07 Fred Fish <fnf@be.com>
9534 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9535 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9537 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9539 * cppfiles.c (deps_output): Count spacers in deps_column.
9541 2000-02-07 Neil Booth <NeilB@earthling.net>
9543 * cppinit.c (initialize_dependency_output): If there is no
9544 suffix, don't try to look for known suffixes. Use strrchr.
9545 (cpp_start_read): Remove duplicate initialization.
9547 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9549 * calls.c (compute_argument_block_size): New argument
9550 preferred_stack_boundary.
9551 (expand_call): update cfun->preferred_stack_boundary, update call of
9552 compute_argument_block_size
9553 (emit_library_call): Increate cfun->preferred_stack_boundary
9554 to PREFERRED_STACK_BOUNDARY
9555 (emit_library_call_value): Likewise.
9556 * explow.c (allocate_dynamic_stack_spave): Likewise.
9557 * function.c (prepare_function_start): Set
9558 cfun->preferred_stack_boundary
9559 * function.h (struct function): Add preferred_stack_boundary field.
9560 * integrate.c (expand_inline_function): Update
9561 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9562 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9563 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9565 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9567 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9568 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9569 cpp_pedwarn, cpp_pedwarn_with_line,
9570 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9571 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9572 v_cpp_error_with_line, v_cpp_warning_with_line,
9573 cpp_message_from_errno, cpp_perror_with_name): Delete.
9575 * cpperror.c (cpp_print_containing_files): Take starting
9577 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9578 (v_cpp_message): Now called directly by all entry points.
9580 (cpp_pfatal_with_name, cpp_message): Delete.
9581 (cpp_notice_from_errno, cpp_ice): New functions.
9582 (cpp_notice): Is now for reporting error conditions, just
9583 without an associated file.
9584 (cpp_error, cpp_error_with_line): Don't do anything if
9585 opts->inhibit_errors is on.
9586 (cpp_pedwarn_with_file_and_line): Take column argument also.
9588 * cpplib.h: Update prototypes of exported functions.
9589 (struct cpp_options): Add inhibit_errors.
9591 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9592 non-error messages. Include intl.h.
9594 * cppinit.c, cppmain.c: Likewise. Also, use
9595 cpp_notice_from_errno instead of cpp_perror_with_name or
9596 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9598 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9599 report internal errors.
9601 * cpplib.c (do_define): Switch bcopy to memcpy.
9602 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9604 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9605 bail out early if we hit a line comment.
9607 2000-02-06 Richard Henderson <rth@cygnus.com>
9609 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9610 * basic-block.h: Declare them.
9611 * emit-rtl.h (active_insn_p): New.
9612 (next_active_insn, prev_active_insn): Use it.
9613 * rtl.h: Declare it.
9614 * function.c (emit_return_into_block): New.
9615 (thread_prologue_and_epilogue_insns): Insert return insns instead
9616 of epilogues when possible.
9617 * jump.c (jump_optimize_1): Remove code to insert a return insn
9618 on the fallthru to the exit block.
9620 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9621 and for non-empty stack frames.
9622 * i386.md (return): Expand to return-pop as needed.
9624 2000-02-06 Richard Henderson <rth@cygnus.com>
9626 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9627 constant to op1 for testing.
9629 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9631 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9632 (fixuns_truncqfqi2): Use it.
9634 2000-02-06 Richard Henderson <rth@cygnus.com>
9636 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9639 * i386.md (widening and peepholes): Mask the constant instead of
9642 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9644 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9645 input pointer before possibly branching off to the backslash
9647 * cpphash.c (macroexpand): Correctly delete \r escapes when
9648 stringifying parameters.
9649 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9650 if we can; bail out early if we hit a line comment.
9651 (handle_directive): Treat '# 123' in an .S file just like
9652 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9653 Return 1 for '# not_a_directive'.
9654 (get_directive_token): Pop macro buffers here, so that
9655 cpp_get_token can't sneakily move past a newline.
9657 (cpp_get_token): goto randomchar if handle_directive returns 0.
9659 * cppalloc.c: Update copyright.
9660 * cpplib.c: Merge all the static function prototypes into one
9662 * cpplib.h: Remove #if 0 block.
9664 * cpperror.c: Remove #ifdef EMACS block.
9665 * cppmain.c: Likewise.
9666 * cpphash.c: Remove #if 0 blocks.
9667 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9668 * cpplib.c: Remove #if 0 blocks and code referencing
9669 pcp_inside_if or for_lint. Remove duplicate error message.
9670 Fix error messages for #else after #else or #elif. Reformat.
9671 Remove archaic TODO list.
9672 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9674 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9676 * i386/osf1elf.h: Add missing backslash to multiline string.
9678 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9680 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9682 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9684 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9686 * c-common.c: Include expr.h.
9688 * c-pragma.c (mark_align_stack): Add prototype.
9690 * caller-save.c (add_stored_regs): Likewise.
9692 * combine.c (record_promoted_value): Likewise.
9694 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9697 * cppinit.c (new_pending_define): Likewise.
9699 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9701 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9702 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9703 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9704 class_scope_p): Likewise.
9706 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9707 dwarf2out_add_library_unit_info): Likewise.
9709 * ggc.h (ggc_page_print_statistics): Likewise.
9711 * haifa-sched.c (propagate_deps): Likewise.
9713 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9715 * rtl.h (set_stack_check_libfunc): Likewise.
9717 * toplev.h (set_fatal_function): Likewise.
9719 * toplev.c (set_fatal_function): Delete prototype.
9721 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9723 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9725 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9726 (FUNC_END): Likewise.
9728 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9730 * caller-save.c: Include tm_p.h.
9732 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9734 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9736 2000-02-04 Neil Booth <NeilB@earthling.net>
9738 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9741 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9743 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9744 * genflags.c: Use the max_operand_1 logic from genemit.c to
9745 calculate how many arguments gen_insn prototypes have. Remove
9746 NO_MD_PROTOTYPES ifdefs from the generated file.
9747 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9748 file. Cast gen_insn initializers to insn_gen_fn.
9749 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9750 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9752 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9754 * fixinc/Makefile.in (HDR): Add machname.h.
9757 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9759 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9760 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9761 (c4x_cpu_version): Ditto.
9762 * config/c4x/c4x-protos.h: ... here.
9764 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9766 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9767 gen_abstract_function on our context if we're a nested function.
9769 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9771 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9772 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9774 2000-02-04 Bruce Korb <bkorb@gnu.org>
9776 * fixinc/genfixes(machname.h):
9777 Move the functionality from gen-machine.h into this file.
9778 UNdef MN_NAME_PAT if there are no names to change.
9779 Also, be a little kinder when AutoGen is not present.
9781 * fixinc/Makefile.in(machname.h):
9782 Change the generation rule to use genfixes.
9784 * fixinc/fixfixes.c(machine_name):
9785 machine_name_fix's functionality now dependent upon whether
9786 MN_NAME_PAT is defined.
9788 * fixinc/fixtests.c(machine_name):
9791 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9794 * fixinc/fixlib.h(mn_get_regexps):
9797 * fixinc/gen-machine.h: DELETED
9799 2000-02-04 Jan Hubicka <jh@suse.cz>
9800 Richard Henderson <rth@cygnus.com>
9802 * i386.c (SAVE_REGS_FIRST): Remove.
9803 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9804 (ix86_compute_frame_size): Likewise.
9805 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9806 (ix86_emit_restore_regs): Remove.
9807 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9808 when a frame pointer is in use.
9809 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9810 instead of pop to restore a register when profitable; emit leave
9812 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9814 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9815 * i386.md (prologue_allocate_stack): Remove.
9816 (epilogue_deallocate_stack): Remove.
9817 (pro_epilogue_adjust_stack): New.
9819 2000-02-04 Richard Henderson <rth@cygnus.com>
9821 * function.c (diddle_return_value): Rework to use a callback function.
9822 Use current_function_return_rtx if it's been set up.
9823 (do_clobber_return_reg, clobber_return_register): New.
9824 (do_use_return_reg, use_return_register): New.
9825 (expand_function_end): Use them.
9826 * stmt.c (expand_null_return): Likewise.
9827 * function.h: Declare them.
9828 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9829 (mark_reg): Change arguments as appropriate for callback.
9830 * integrate.c (expand_inline_function): Revert 19 Jan change.
9832 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9834 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9835 (Misc): Say the scheduler, not the Haifa scheduler.
9837 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9839 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9840 when in_mem is set. Update all callers.
9842 2000-02-04 Richard Henderson <rth@cygnus.com>
9844 * i386/openbsd.h (INT_ASM_OP): Define.
9846 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9848 * tm.texi: Fix various typos.
9850 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9852 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9853 (MD_STARTFILE_PREFIX_1): New macro.
9855 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9857 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9858 destination when needed.
9859 (strmovsi, strsetsi): New expander.
9860 (strmovsi_1, strsetsi_1): New pattern.
9861 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9862 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9863 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9864 * invoke.texi (align-stringops, inline-all-stringops): Document.
9866 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9868 * i386/netbsd.h (INT_ASM_OP): Define.
9870 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9872 * cpplib.h (cpp_reader): Add new flag, no_directives.
9873 * cpphash.c (macarg): Set it.
9874 * cpplib.c (handle_directive): If no_directives is on and we
9875 find a directive, issue an error and discard the line.
9877 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9879 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9880 FP constants. Add ! TARGET_FPU check for FP constants.
9882 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9884 * flow.c (find_basic_blocks): Don't kill label_value_list
9886 (cleanup_cfg): Kill it here.
9888 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9890 * expr.c (store_field): Ensure ALIGN is no stricter than the
9893 2000-02-02 Richard Henderson <rth@cygnus.com>
9895 * jump.c (delete_insn): Partially revert 19 Jan change;
9896 don't convert unused code labels to notes at -O0.
9898 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9900 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9901 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9903 2000-02-01 Richard Henderson <rth@cygnus.com>
9905 * i386.c (general_no_elim_operand): New.
9906 (nonmemory_no_elim_operand): New.
9907 (ix86_expand_move): Copy eliminable operands before a push.
9908 * i386-protos.h: Declare new functions.
9909 * i386.h (CAN_ELIMINATE): Simplify.
9910 (PREDICATE_CODES): Update.
9911 * i386.md (push insns): Don't allow eliminable register operands.
9913 2000-02-01 Richard Henderson <rth@cygnus.com>
9915 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9916 replace BLKmode with DECL_RTL's mode.
9918 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9920 * frame.c (find_fde): Convert for loop to do-while so compiler
9921 sees it's always executed at least once.
9922 * libgcc2.c (BBINBUFSIZE): Kill.
9923 (__bb_init_prg): Use fgets.
9924 (__bb_exit_trace_func): Don't paste strings.
9925 * unroll.c (unroll_loop): Initialize unroll_type, not
9926 unroll_number, and tweak logic to match.
9928 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9930 (ix86_flags_dependant): Likewise. Disentangle control flow.
9931 (ix86_sched_reorder): Break guts out to
9932 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9933 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9936 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9937 use string concatenation. Don't save and restore esi.
9939 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9940 (machname.h): Remove script to separate file. Use two-step
9941 sequence so target is not created if script fails.
9942 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9943 identifiers are defined.
9944 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9945 an empty string, machine_name doesn't need to do anything at
9947 (is_cxx_header): Add more cases to regexp.
9948 * fixinc/fixlib.h: Update prototype.
9949 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9951 * fixinc/fixincl.c: Define NO_BOGOSITY.
9953 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9954 (hp_sysfile): Add missing comma.
9955 (math_exception): Put the wrapper ifdefs at the beginning and
9956 the end of the file.
9957 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9959 2000-02-01 Richard Henderson <rth@cygnus.com>
9961 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9962 Use CONST0_RTX. Update all callers.
9963 * sparc.h, sparc-protos.h: Update accordingly.
9964 * sparc.md (fp mov insns): Use fp_zero_operand directly
9967 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9969 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9972 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9974 * Makefile.in (specs.ready): New target.
9975 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9977 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9979 * fixinc.irix: Use unique filenames for writing into /tmp,
9980 * fixinc.ptx: Likewise.
9981 * fixinc.sco: Likewise.
9982 * fixinc.svr4: Likewise.
9983 * fixinc.winnt: Likewise.
9985 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9987 * tsystem.h: New file.
9989 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9990 s-crtS): Depend on tsystem.h.
9992 * crtstuff.c: Include tsystem.h.
9993 * frame.c: Likewise.
9994 * libgcc2.c: Likewise.
9996 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9998 * builtins.c (expand_builtin_memset): Expand for variable sized
10001 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
10003 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
10006 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10008 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
10010 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
10012 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
10014 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
10015 case 3->2 combining (combining with splitting) in which 2 is CC0
10016 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
10017 checked at the begining of the function with the aid of calling
10018 function 'can_combine_p'.
10020 2000-01-31 Dave Brolley <brolley@redhat.com>
10022 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
10024 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
10026 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
10029 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10031 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
10033 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
10036 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10038 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
10039 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
10040 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
10041 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
10042 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
10043 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
10044 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
10045 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
10046 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
10047 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
10049 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
10050 Add %(cpp_cpu) to CPP_SPEC.
10052 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
10053 Add %(cc1_cpu) to CC1_SPEC.
10055 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10057 * c-decl.c (c_decode_option): Accept optional numeric argument to
10058 -Wformat and set warn_format.
10059 * c-common.c: Don't emit warning about non-constant printf format
10060 string unless warn_format > 1.
10062 2000-01-30 Richard Henderson <rth@cygnus.com>
10064 * alpha.md (return_internal): Allow after reload only.
10066 2000-01-30 Richard Henderson <rth@cygnus.com>
10068 * i386.c (ix86_compute_frame_size): Omit padding1 if the
10069 local frame size is zero.
10071 2000-01-30 Richard Henderson <rth@cygnus.com>
10073 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
10074 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
10075 * alpha.md (return): Turn into an expander.
10076 (return_internal): Don't use $26.
10077 (epilogue): Emit the return insn.
10079 2000-01-30 Richard Henderson <rth@cygnus.com>
10081 * alpha.md (negtf2, abstf2): Fix word order thinko.
10082 (extendsftf2): New.
10083 (trunctfsf2): Avoid intermediate rounding errors.
10085 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
10087 * cppfiles.c (find_position): Drop 'colp' argument, return the
10089 (read_and_prescan): Adjust to match. Don't ever manipulate
10090 line or line_base except via find_position.
10092 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10094 * c-parse.in: Apply Ulrich's changes from c-parse.y.
10095 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
10098 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
10100 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
10101 just print "<command line>". If 'filename' is null or an
10102 empty string, print "<stdin>" for the filename.
10103 * cpplib.c (do_define): Don't print the 'location of the
10104 previous definition' message if we're still parsing the
10106 (cpp_pedwarn_with_file_and_line): Always call
10107 cpp_file_line_for_message.
10109 2000-01-29 Mark Mitchell <mark@codesourcery.com>
10111 * flow.c (mark_regs_live_at_end): Fix typo.
10113 2000-01-28 Ulrich Drepper <drepper@redhat.com>
10115 * c-common.c: Adjust variable names, comments, help strings to c99.
10116 * c-lex.c: Likewise.
10117 * c-parse.y: Likewise.
10118 * c-tree.h: Likewise.
10119 * cccp.c: Likewise.
10120 * cpplib.h: Likewise.
10121 * c-decl.c: Likewise. Recognize options with names "*99" as well.
10122 * cppinit.c: Likewise.
10124 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10126 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
10127 * c4x.c: Define the optab rtx values.
10128 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
10129 (c4x_emit_libcall): Use new optab rtx values.
10130 (c4x_emit_libcall3): Likewise.
10131 (c4x_emit_libcall_mulhi): Likewise.
10132 * c4x-protos.h: Add prototypes for optab rtx values and change
10133 prototypes for above c4x_emit_libcall functions.
10135 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10137 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
10139 (c4x_function_prologue): Use regnames intead of float_reg_names when
10141 (c4x_function_epilogue): Likewise.
10142 (c4x_print_operand): Likewise.
10143 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
10144 * c4x.md (set_high): Disable for TARGET_TI.
10146 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10148 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
10149 of framepointer + constant to ADDR_REGS class.
10150 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
10151 * c4x.c (std_or_reg_operand): New function.
10152 * c4x-protos.h (std_or_reg_operand): Prototype it.
10154 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10156 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
10157 object names as libgcc2.c.
10158 * libgcc.S: Use newly defined names.
10160 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
10161 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
10163 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
10164 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
10165 (FLOW_LOOP_LAST_BLOCK): Likewise.
10167 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10169 * basic-block.h (struct loop): New fields 'first' and 'last'.
10170 * flow.c (flow_loops_find): Compute loop->first and loop->last.
10171 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
10172 and loop->last to check for NOTE_INSN_LOOP_END.
10174 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
10176 * predict.c (estimate_probability): Use the new FIRST and LAST fields
10177 of the loop descriptor rather than HEADER and LATCH. Also added
10178 missing break statements as well making some coding style modifications
10179 as suggested by Michael Hayes.
10181 2000-01-28 Richard Henderson <rth@cygnus.com>
10183 * flow.c (find_basic_blocks): Remove do_cleanup argument.
10184 Break out that code ...
10185 (cleanup_cfg): ... here.
10186 (commit_one_edge_insertion): Detect a return instruction being
10187 emitted to an edge. Emit a barrier following; clear fallthru.
10188 (commit_edge_insertions): Verify CFG consistency.
10189 * function.c (expand_function_start): Kill unused variable.
10190 (expand_function_end): Likewise.
10191 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
10192 to insert the epilogue.
10194 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
10195 (delete_null_pointer_checks): Likewise.
10196 * output.h: Likewise.
10197 * reg-stack.c (reg_to_stack): Likewise.
10198 * toplev.c (rest_of_compilation): Likewise. Run
10199 thread_prologue_and_epilogue_insns after rebuilding the CFG.
10201 2000-01-28 Richard Henderson <rth@cygnus.com>
10203 * Makefile.in (flow.o): Revert 24 Jan change.
10204 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
10205 FUNCTION_VALUE result to DECL_RESULT's mode.
10207 * haifa-sched.c (schedule_insns): Don't recompute reg info
10210 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
10212 * configure.in: Make --enable-cpplib the default.
10213 * configure: Regenerate.
10214 * gcc.dg/990119-1.c: No longer expected to fail.
10216 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
10218 * jump.c (jump_optimize_1): Delete an optimization that is also done
10219 by merge_blocks in flow.
10221 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10223 * diagnostic.c (build_message_string, output_printf,
10224 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10225 (build_location_prefix): Fix non-literal format string.
10227 2000-01-27 Richard Henderson <rth@cygnus.com>
10229 * alpha.md (trunctfsf2): New.
10231 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10233 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10235 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10237 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10239 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10241 (skip_comment) ... here. Permit C++ comments in system
10242 headers always. Warn about C++ comments in user code under
10243 -std=gnu89 -pedantic.
10244 (copy_comment): Use skip_comment.
10245 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10247 (consider_directive_while_skipping, do_else, do_endif): Call
10248 validate_else unconditionally.
10249 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10250 text after the conditional in a system header.
10251 * cpplib.h (struct cpp_buffer): Add flag
10252 warned_cplusplus_comments.
10254 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10256 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10257 Use unshare_all_rtl_1.
10258 (unshare_all_rtl_again): New function.
10259 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10261 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10262 rather than resetting the 'used' flags ourself.
10264 * toplev.c (rest_of_compilation): Add current_function_decl
10265 to the unshare_all_rtl call.
10266 * tree.h: Prototype unshare_all_rtl.
10267 * rtl.h: Prototype unshare_all_rtl_again here.
10269 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10271 * genoutput.c (output_prologue): Include ggc.h in generated
10273 * Makefile.in (insn-output.o): Depends on ggc.h.
10275 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10276 Hans-Peter Nilsson <hp@bitrange.com>
10278 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10279 Remove redundant include of xm-ns32k.h.
10280 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10281 Remove redundant include of xm-ns32k.h.
10282 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10283 Remove redundant include of xm-ns32k.h.
10284 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10286 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10287 (TARGET_SWITCHES): Add documentation strings.
10288 (DWARF_FRAME_REGNUM): Override default definition.
10289 (REG_CLASS_CONTENTS): Add comments.
10290 (SUBSET_P): Format to reduce line length.
10291 (SMALL_REGISTER_CLASSES): Make a run time option.
10292 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10293 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10294 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10295 (regclass_map): fix typo in comment.
10296 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10297 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10298 (trace, reg_or_mem_operand): Delete, unused function.
10299 (calc_address_cost): Small offsets are cheaper than large ones.
10300 (expand_block_move): Generate more efficient code when bytes is a
10301 known at compile time.
10302 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10303 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10304 instead of reg_or_mem_operand.
10306 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10307 not general_operand. Similarly use "=rm" or stricter, not "=g".
10308 For input operands, use stricter constraints than "g" if not
10309 general_operand. Similarly use stricter predicate than
10310 "general_operand" when stricter constraints than "g" are present,
10311 except for matching constraints.
10312 (movstrsi): Use "memory_operand" for operands 0 and 1.
10313 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10314 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10315 not reg_or_mem_operand.
10316 (udivmoddisi4): Ditto.
10317 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10318 Use nonimmediate_operand for operand 3, not register_operand.
10319 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10320 reg_or_mem_operand.
10322 2000-01-27 Fred Fish <fnf@be.com>
10324 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10325 * gthr-single.h: Likewise.
10326 * gthr-solaris.h: Likewise.
10327 * gthr-vxworks.h: Likewise.
10328 * gthr-win32.h: Likewise.
10329 * gthr.h: Likewise.
10331 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10333 * cppinit.c: Add " (cpplib)" to end of string printed by
10336 2000-01-27 Richard Henderson <rth@cygnus.com>
10338 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10339 testing for a signed comparison.
10340 (alpha_emit_floatuns): New.
10341 * alpha-protos.h: Declare it.
10342 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10343 (extendsfdf2): Tidy.
10345 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10347 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10348 no -g option specifying debugging format, default to -gstabs+.
10350 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10352 * calls.c (special_function_p): New argument fork_or_exec.
10353 (expand_call): When profile_arc_flag is set and the function
10354 is in the fork_or_exec group, call __bb_fork_func first.
10355 * libgcc2.c, _bb module (__bb_fork_func): New function.
10356 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10358 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10359 * tree.h (special_function_p): Update prototype.
10361 2000-01-26 Richard Henderson <rth@cygnus.com>
10363 * alpha.c (alpha_split_tfmode_pair): New.
10364 * alpha-protos.h: Declare it.
10365 * alpha.md (abstf2, negtf2): New.
10366 (movtf insn): Add input G constraint.
10367 (movtf splitter): Use alpha_split_tfmode_pair.
10369 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10371 * i386/cygwin.h: PROTO -> PARAMS.
10373 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10375 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10376 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10377 using _Qp_cmp/_Q_cmp and testing the return value.
10378 (print_operand): Call reverse_condition_maybe_unordered if
10379 we are handling CCFPmode or CCFPEmode.
10380 Handle ORDERED, UN* and LTGT comparisons.
10381 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10382 if not TARGET_HARD_QUAD.
10383 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10384 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10385 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10386 Adjust gen_b* calls so that they reflect return comparison of
10387 sparc_emit_float_lib_cmp.
10389 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10391 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10392 incoming operands array is large enough for one more operand.
10393 (alpha_emit_xfloating_arith): Likewise.
10395 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10397 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10398 file with one line and no trailing newline.
10399 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10400 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10401 checking if the match is on the line.
10402 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10404 2000-01-25 Richard Henderson <rth@cygnus.com>
10406 * sparc.c (output_cbranch): Fix accidental squashing of the
10407 fp branch pre-delay nop.
10409 2000-01-25 Richard Henderson <rth@cygnus.com>
10411 * tree.def (UNNE_EXPR): Remove.
10412 * c-typeck.c (build_binary_op): Don't handle it.
10413 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10415 * rtl.def (UNNE): Remove.
10417 * jump.c (reverse_condition): Update accordingly.
10418 (swap_condition): Likewise.
10419 (comparison_dominates_p): Handle unordered comparisons.
10420 (reverse_condition_maybe_unordered): New.
10421 * rtl.h (reverse_condition_maybe_unordered): Declare.
10423 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10424 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10425 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10426 * sparc.md (bltgt): New.
10428 2000-01-25 Nick Clifton <nickc@redhat.com>
10430 * emit-rtl.c (emit_insn): Only check machine class insns for
10431 improper emission of a RETURN.
10433 2000-01-25 Richard Henderson <rth@cygnus.com>
10435 * Makefile.in (flow.o): Depend on $(EXPR_H).
10436 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10437 duplicate the structure of diddle_return_value for keeping regs live.
10439 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10441 * loop.c (current_loop_info): Delete.
10442 (consec_sets_invariant_p): Add loop argument, update callers.
10443 (get_condition_for_loop): Likewise.
10444 (count_nonfixed_reads, update_giv_derive): Likewise.
10445 (simplify_giv_expr, general_induction_var): Likewise.
10446 (consec_sets_giv, recombine_givs): Likewise.
10447 (move_movables): Delete loop_start and loop_end arguments,
10448 add loop argument, and update callers.
10449 (find_mem_givs, check_final_value): Likewise.
10450 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10451 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10453 (basic_induction_var): Add loop argument, delete loop_level argument,
10454 and update callers.
10455 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10456 add loop argument, and update callers.
10457 (find_splittable_regs, find_splittable_givs): Likewise.
10458 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10459 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10460 (biv_total_increment): Delete loop_start and loop_end arguments;
10462 (precondition_loop_p): Delete loop_start and loop_info arguments;
10464 * loop.h (get_condition_for_loop): Add loop argument.
10465 (biv_total_increment): Delete loop_start and loop_end arguments.
10466 (precondition_loop_p): Delete loop_start and loop_info arguments;
10468 (final_biv_value): Delete loop_start and loop_end arguments;
10470 (final_giv_value, back_branch_in_range_p): Likewise.
10472 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10474 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10476 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10478 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10479 point to the new "generated_files" doc.
10481 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10483 * config/fp-bit.c (_unord_f2): Fix typo.
10485 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10487 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10488 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10489 functions obsoleted by GC, such as push_obstacks_nochange,
10490 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10491 and code which existed only to decide whether or not to call
10492 them. Remove now-unused NESTED argument from start_function;
10493 all callers changed. Do not change behavior based on ggc_p.
10494 The use of the ixp_obstack in c-iterate.c and the util_obstack
10495 in objc/objc-act.c remain; these are not obsoleted by garbage
10497 * c-tree.h: Update prototype for start_function.
10499 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10501 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10503 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10506 2000-01-25 Richard Henderson <rth@cygnus.com>
10508 * sparc-protos.h (select_cc_mode): Declare.
10509 * sparc.c (select_cc_mode): New. Handle unordered compares.
10510 (output_cbranch): Always reverse via code change. Handle
10511 unordered compares. Factor tests and string updates.
10512 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10513 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10514 * sparc.md (bunordered, bordered): New.
10515 (bungt, bunlt, buneq, bunge, bunle): New.
10517 2000-01-25 Richard Henderson <rth@cygnus.com>
10519 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10520 * ggc-common.c (ggc_add_rtx_varray_root): New.
10521 (ggc_mark_rtx_varray): New.
10522 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10523 functions down below ggc_mark_foo.
10524 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10526 2000-01-25 Richard Henderson <rth@cygnus.com>
10528 * alpha.c (secondary_reload_class): Don't allocate a secondary
10529 for integral mode memories into FLOAT_REGS. Rearrange the more
10530 complicated memory expression inward.
10532 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10534 * inclhack.def: Fixes to play nicer with FreeBSD, and
10535 corrections to comments.
10536 (cxx_unready): Add select expression.
10537 (irix_sockaddr): Add bypass expression.
10538 (machine_ansi_h_va_list): New fix.
10539 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10540 Split out addition of "#include <stdarg.h>" to...
10541 (stdio_stdarg_h): ... here.
10542 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10543 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10544 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10546 (ultrix_ifdef): Tighten up select expression.
10548 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10549 re_ct and max_mach to avoid use of shell. Make printed names
10550 match names in inclhack.def. Use static copyright date.
10551 Don't count c_test and test expressions as requiring regex_t
10552 slots. Add some commentary.
10553 * inclhack.tpl: Do not include the 'This script contains N
10554 fixup scripts' line if PROGRAM is defined. Use static
10557 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10559 * dwarf2out.c: include "varray.h", not dyn-string.h.
10560 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10561 (addr_const_to_string, addr_to_string): Lose.
10562 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10563 (struct dw_val_struct): val_addr is now an rtx.
10564 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10565 (used_rtx_varray): New varray.
10566 (dwarf2out_init): Initialize it.
10567 (save_rtx): New fn.
10568 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10570 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10571 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10572 * Makefile.in (dwarf2out.o): Update dependencies.
10574 2000-01-24 Richard Henderson <rth@cygnus.com>
10576 * i386.c (i386_dwarf_output_addr_const): New.
10577 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10579 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10581 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10582 * i386.c (i386_simplify_dwarf_addr): New.
10583 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10585 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10587 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10588 TYPE_STUB_DECL is NULL.
10590 2000-01-24 Richard Henderson <rth@cygnus.com>
10592 * builtins.c (expand_tree_builtin): Move ...
10593 * c-common.c (expand_tree_builtin): ... here.
10595 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10597 * loop.h (LOOP_INFO): New accessor macro.
10598 * basic-block.h (struct loop): Rename field `info' to `aux'.
10599 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10600 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10601 * unroll.c (loop_iterations, unroll_loop): Likewise.
10603 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10605 * config/i386/t-cygwin: Accomodate new winsup directory layout
10606 when searching for include files.
10608 2000-01-24 Richard Henderson <rth@cygnus.com>
10610 * rtl.def: Add unordered fp comparisions.
10611 * tree.def: Likewise.
10612 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10614 * builtins.c (expand_tree_builtin): New function.
10615 * c-typeck.c (build_function_call): Use it.
10616 (build_binary_op): Support unordered compares.
10617 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10619 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10620 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10621 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10622 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10623 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10625 (swap_condition): Handle unordered compares.
10626 (thread_jumps): Check can_reverse before reversing.
10627 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10630 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10631 setcc is present before acking for cmp_optab. Update all callers.
10632 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10633 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10634 * expr.c (expand_expr): Likewise. Support unordered compares.
10635 (do_jump, do_store_flag): Likewise.
10636 * expr.h (enum libfunc_index): Add unordered compares.
10638 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10639 (DPBIT_FUNCS): Add _unord_df.
10640 * config/fp-bit.c (_unord_f2): New.
10641 * fp-test.c (main): Try unordered compare builtins.
10643 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10644 * alpha.c (alpha_comparison_operator): Check mode properly.
10645 (alpha_swapped_comparison_operator): Likewise.
10646 (signed_comparison_operator): Likewise.
10647 (alpha_fp_comparison_operator): New.
10648 (alpha_emit_conditional_branch): Handle unordered compares.
10649 * alpha.h (PREDICATE_CODES): Update.
10650 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10651 (bunordered, bordered): New.
10653 2000-01-24 Richard Henderson <rth@cygnus.com>
10655 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10656 * alpha.md (movtf): New expander, insn, and splitter.
10658 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10660 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10663 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10665 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10666 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10667 REG_ALLOC_ORDER): Add frame pointer
10668 (FRAME_POINTER_REGNUM): Set to 20
10669 (HARD_FRAME_POINTER_REGNUM): New macro.
10670 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10671 to HARD_FRAME_POINTER.
10672 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10673 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10674 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10675 (HI_REGISTER_NAMES): Add "frame".
10676 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10677 (debug_reg): Handle FRAME_POINTER_REGNUM.
10678 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10679 GENERAL_REGS and INDEX_REGS.
10680 * i386.c (SAVED_REGS_FIRST): new macro.
10681 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10682 (ix86_decompose_address, memory_address_length): Likewise.
10683 (regclass_map): Add frame pointer.
10684 (call_insn_operand): Handle frame_pointer_rtx.
10685 (reg_no_sp_operand): Likewise.
10686 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10687 (print_operand, legitimize_pic_address): Fix formating.
10688 (ix86_compute_frame_size): Make static, update prototype, new
10689 parameters padding1, padding2, use ix86_nsaved_regs, use
10690 stack_alignment_needed.
10691 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10692 to HARD_FRAME_POINTER_REGNUM conversions.
10693 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10694 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10695 (print_reg): Abort on FRAME_POINTER_REGNUM
10697 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10699 * i386.h (PREDICATE_CODES): Add aligned_operand.
10700 * i386.c (aligned_operand): New function.
10701 (ix86_aligned_p): Kill.
10702 * i386.md (movhi_1): Emit mov for aligned operands.
10703 (promoting peep2s): Use aligned_operand.
10705 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10707 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10708 expression to allow underscores in macro names.
10709 (fix_char_macro_defines): Increment scanning pointer.
10711 2000-01-23 Richard Henderson <rth@cygnus.com>
10713 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10714 * alpha/osf5.h: New file.
10715 * configure.in (alpha-*-osf5): Add it to tm_file.
10717 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10719 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10720 (alpha_emit_xfloating_cvt, function_arg): Declare.
10721 * alpha.c (alpha_emit_conditional_branch): Call
10722 alpha_emit_xfloating_compare for TFmode compares.
10723 (alpha_lookup_xfloating_lib_func): New.
10724 (alpha_compute_xfloating_mode_arg): New.
10725 (alpha_emit_xfloating_libcall): New.
10726 (alpha_emit_xfloating_arith): New.
10727 (alpha_emit_xfloating_compare): New.
10728 (alpha_emit_xfloating_cvt): New.
10729 (print_operand): Add default abort case.
10730 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10731 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10732 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10733 (RETURN_IN_MEMORY): True for TF/TCmode.
10734 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10735 (FUNCTION_ARG): Move to function_arg.
10736 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10737 (ASM_OUTPUT_LONG_DOUBLE): New.
10738 (ASM_OUTPUT_DOUBLE): Always output bits.
10739 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10740 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10741 (extenddftf2, trunctfdf2): New.
10743 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10745 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10746 * config/sparc/sol2.h: ... here.
10748 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10750 * basic-block.h (struct loops): New field `levels'.
10751 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10752 (flow_loop_level_compute): Initialise level to 1.
10753 (flow_loops_find): Set loops->levels.
10754 (flow_loops_dump): Print loops->levels.
10756 2000-01-23 Richard Henderson <rth@cygnus.com>
10758 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10759 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10761 2000-01-23 Richard Henderson <rth@cygnus.com>
10763 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10764 * i386.h (DBX_REGISTER_NUMBER): Use them.
10765 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10766 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10767 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10768 * i386/sequent.h: Kill incorrect comment.
10770 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10772 * ggc-page.c (struct page_entry): Make `context_depth' an
10774 (struct globals): Likewise.
10776 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10778 * loop.c (check_dbra_loop): When checking a loop for
10779 reversability, check the source of any stores to ensure
10780 they don't depend on an initial value.
10782 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10784 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10786 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10788 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10789 'pz_scan' into scope of entire function. Only affects
10790 compiles with -DDEBUG.
10792 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10794 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10795 section naming to that prior to 2000-01-07 patch.
10796 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10797 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10798 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10799 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10800 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10802 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10804 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10807 2000-01-21 Jim Wilson <wilson@cygnus.com>
10809 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10810 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10812 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10814 * cpphash.c (change_newlines): Delete function.
10815 (struct argdata): Delete 'newlines' and 'use_count' fields.
10816 (macroexpand): Remove code referencing those fields.
10818 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10820 * loop.c (loops_info): New variable.
10821 (loop_optimize): Allocate loops->array and free it on exit.
10822 Allocate memory for loops_info and assign to each loop,
10824 (find_and_verify_loops): Do not allocate loops->array.
10826 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10828 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10830 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10832 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10833 pseudos if expanded after first flow.
10834 (movdi_pic_label_ref): Likewise.
10836 2000-01-20 Richard Henderson <rth@cygnus.com>
10838 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10840 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10842 * Makefile.in (fixinc.sh): Depend on specs.
10843 * fixinc/Makefile.in: Add rule to create machname.h.
10844 (fixlib.o): Depend on machname.h.
10845 * fixinc/fixtests.c (machine_name): New test.
10846 * fixinc/fixfixes.c (machine_name): New fix.
10847 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10848 the machine_name test and fix.
10849 * fixinc/fixlib.h: Prototype it.
10850 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10851 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10853 * gcc.c (do_spec_1) [case P]: Take care not to create
10854 identifiers with three leading or trailing underscores.
10856 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10857 (fixincl): Don't specify libraries twice on link line.
10858 (gnu-regex.o): Remove special rule.
10859 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10860 defined by config.h. Do not define _REGEX_RE_COMP.
10861 (regcomp): Allocate and initialize a fastmap.
10862 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10864 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10866 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10868 2000-01-19 Richard Henderson <rth@cygnus.com>
10870 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10871 arguments with BB. Update all callers. Tidy line wrapping.
10873 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10875 * emit-rtl.c (try_split): Return last_insn if we split the
10878 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10880 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10881 (ix86_initial_elimination_offset): Declare.
10882 * i386.c (ix86_nsaved_regs): Break out from ...
10883 (ix86_can_use_return_insn_p): ... here.
10884 (ix86_emit_save_regs): Break out from ...
10885 (ix86_expand_prologue): ... here.
10886 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10888 (ix86_expand_epilogue): ... here.
10889 (ix86_compute_frame_size): Make static, add prototype.
10890 (ix86_initial_elimination_offset): Break out from ...
10891 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10893 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10895 * recog.h (OUT_FCN): Delete.
10897 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10899 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10901 * cppalloc.c: PROTO -> PARAMS.
10902 * cpperror.c: Likewise.
10903 * cppfiles.c: Likewise.
10904 * cpplib.c: Likewise.
10905 * cpplib.h: Likewise.
10907 * config/arm/arm-protos.h: PROTO -> PARAMS.
10908 * config/arm/arm.c: Likewise.
10909 * config/c4x/c4x.c: Likewise.
10910 * config/fr30/fr30-protos.h: Likewise.
10911 * config/nextstep.c: Likewise.
10912 * config/pa/pa.c: Likewise.
10913 * config/pj/pj.c: Likewise.
10914 * config/rs6000/rs6000.c: Likewise.
10915 * config/v850/v850-protos.h: Likewise.
10916 * config/v850/v850.c: Likewise.
10918 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10920 * i370-protos.h: New file.
10922 * i370.c: Include tm_p.h. Fix compile time warnings.
10924 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10927 * i370.md: Likewise.
10929 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10931 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10932 (target_isinf, target_isnan, eisnan): Mark parameter with
10934 (eiisinf): Wrap in INFINITY.
10935 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10936 (ibmtoe): Remove unused variable `rndsav'.
10938 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10940 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10941 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10943 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10945 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10946 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10947 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10949 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10950 Recognize Emacs mode markers also.
10951 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10952 C++ comments in C++ headers. Call is_cxx_header only if
10955 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10956 bypass for ncurses.
10957 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10958 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10959 ... these, which use the new C fixes.
10960 (math_exception): Escape literal '+' in bypass expression.
10962 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10965 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10967 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10970 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10972 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10973 prior to calling scan_loop.
10975 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10977 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10978 (split_branches, calc_live_regs): Likewise.
10980 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10982 * sh.md (fpu_single, fp_mode): New attributes.
10984 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10986 * loop.c (current_loop_info): Renamed from loop_info_data
10987 and changed to a pointer.
10988 (loop_optimize): Allocate loop_info structure for each loop
10989 and initialise to zero.
10990 (scan_loop): Set current_loop_info.
10992 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10995 2000-01-19 Richard Henderson <rth@cygnus.com>
10997 * stupid.c: Die die die.
10998 * Makefile.in (OBJS): Remove stupid.o.
10999 (stupid.o): Likewise.
11001 * except.c (emit_eh_context): Don't emit USEs for stupid.
11002 * explow.c (probe_stack_range): Likewise.
11003 * flags.h (obey_regdecls): Remove.
11004 * flow.c (find_basic_blocks): Don't run try_merge_blocks
11005 when not optimizing.
11006 (life_analysis): Limit data collection when not optimizing.
11007 (mark_regs_live_at_end): Always mark the return value registers.
11008 (mark_used_regs): Remove dummy RETURN case.
11009 (print_rtl_with_bb): Don't consult obey_regdecls.
11010 * function.c (use_variable, use_variable_after): Remove.
11011 (assign_parms): Consult optimize not obey_regdecls.
11012 (expand_function_start): Don't emit USEs for stupid.
11013 (expand_function_end): Likewise.
11014 * global.c (build_insn_chain): Export.
11015 * integrate.c (expand_inline_function): Kill return-value USE
11017 * jump.c (jump_optimize_1): Do simple jump optimizations and
11018 dead code elimination.
11019 (calculate_can_reach_end): Remove check_deleted argument.
11020 (delete_insn): Patch out insns even when not optimizing.
11021 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
11022 * rtl.h (use_variable, use_variable_after): Remove declarations.
11023 (build_insn_chain): Declare.
11024 * stmt.c (expand_value_return): Don't emit USEs for stupid.
11025 (expand_end_bindings): Likewise.
11026 (expand_decl): Likewise. Consult optimize not obey_regdecls.
11027 * toplev.c (obey_regdecls): Remove.
11028 (rest_of_compilation): Don't set it. Kill stupid in favour of
11029 flow1, local-alloc, and reload.
11030 (main): Don't set obey_regdecls.
11032 * config/nextstep.c (handle_pragma): Likewise.
11034 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
11036 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
11038 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * alpha-protos.h: PROTO -> PARAMS.
11041 * alpha.c: Likewise.
11043 * h8300.c: Likewise.
11044 * i386-protos.h: Likewise.
11045 * i386.c: Likewise.
11046 * m32r-protos.h: Likewise.
11047 * m32r.c: Likewise.
11048 * mips.c: Likewise.
11049 * mips.md: Likewise.
11050 * gmon-sol2.c: Likewise.
11051 * sparc.c: Likewise.
11053 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11055 * ns32k-protos.h: New file.
11057 * ns32k.c: Fix compile time warnings.
11059 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
11062 * ns32k.md: Likewise.
11064 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11066 * vax-protos.h: New file.
11068 * vax.c: Fix compile time warnings.
11070 * vax.h: Move prototypes to vax-protos.h. Fix compile time
11073 * vax.md: Likewise.
11075 * vaxv.md: Likewise.
11077 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11079 * romp-protos.h: New file.
11081 * romp.c: Fix compile time warnings.
11083 * romp.h: Move prototypes to romp-protos.h. Fix compile time
11086 * romp.md: Likewise.
11088 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11090 * we32k-protos.h: New file.
11092 * we32k.c: Fix compile time warnings.
11094 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
11097 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11099 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
11101 * except.c (eh_regs): Likewise.
11103 * final.c (output_operand): Likewise.
11105 * fold-const.c (target_isinf, target_isnan): Likewise.
11107 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11109 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
11110 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
11112 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
11113 when optimize_size.
11114 (clrstrsi): Rewrite.
11115 (strsethi, strsetqi): New expanders.
11116 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
11117 (cmpstrsi): Emit compare insn before cmpstrsi_1
11118 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
11119 (strlensi_1): Likewise.
11120 (cmpstrsi_1): Likewise; do not output compare.
11121 (strlen expander): Do not unroll when optimizing for size.
11122 (*subsi3_carry): Rename to subsi3_carry
11123 (addqi3_cc): New pattern.
11124 * i386.h (processor_costs): Add move_ratio field.
11125 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
11126 * i386.c (*_cost): Set move_ratio.
11127 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
11128 (x86_expand_strlensi_1): Rewrite the main loop.
11130 2000-01-17 Richard Henderson <rth@cygnus.com>
11132 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
11133 * cse.c (find_comparison_args, fold_rtx): Likewise.
11134 * integrate.c (subst_constants): Likewise.
11135 * loop.c (get_condition): Likewise.
11137 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
11139 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
11141 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11143 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
11144 (RESTORE_WARN_FLAGS): Unpack it.
11145 Change semantic type of extension to ttype.
11146 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
11147 * c-parse.y, c-parse.c, objc/objc-parse.y,
11148 objc/objc-parse.c: Regenerate.
11150 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
11152 * fixinc/fixlib.c: Add copyright notice.
11153 (compile_re): New function.
11154 * fixinc/fixlib.h: Prototype compile_re.
11156 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
11157 Use compile_re to compile regular expressions.
11159 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
11160 where the pattern matched.
11162 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
11164 (ultrix_ansi_compat): Likewise.
11165 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
11167 (interactv_add2, interactv_add3): Delete.
11168 (x11_sprintf): Don't use filename glob.
11169 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
11172 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11174 * print-rtl.c: PROTO -> PARAMS.
11175 * real.c: Likewise.
11176 * reg-stack.c: Likewise.
11177 * resource.c: Likewise.
11178 * sdbout.h: Likewise.
11179 * simplify-rtx.c: Likewise.
11180 * stor-layout.c: Likewise.
11181 * stupid.c: Likewise.
11182 * xcoffout.c: Likewise.
11183 * xcoffout.h: Likewise.
11185 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11187 * toplev.c: PROTO -> PARAMS.
11188 * toplev.h: Likewise.
11189 * tree.c: Likewise.
11190 * tree.h: Likewise.
11191 * unroll.c: Likewise.
11192 * varasm.c: Likewise.
11193 * varray.c: Likewise.
11194 * varray.h: Likewise.
11196 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11198 * reload.c: PROTO -> PARAMS.
11199 * reload.h: Likewise.
11200 * reload1.c: Likewise.
11201 * reorg.c: Likewise.
11202 * resource.h: Likewise.
11205 * rtlanal.c: Likewise.
11206 * sbitmap.h: Likewise.
11207 * sdbout.c: Likewise.
11208 * stack.h: Likewise.
11209 * stmt.c: Likewise.
11210 * system.h: Likewise.
11212 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11214 * machmode.h: PROTO -> PARAMS.
11215 * mbchar.h: Likewise.
11216 * mips-tdump.c: Likewise.
11217 * mips-tfile.c: Likewise.
11218 * optabs.c: Likewise.
11219 * output.h: Likewise.
11220 * prefix.c: Likewise.
11221 * profile.c: Likewise.
11222 * protoize.c: Likewise.
11223 * real.h: Likewise.
11224 * recog.c: Likewise.
11225 * recog.h: Likewise.
11226 * regclass.c: Likewise.
11227 * regmove.c: Likewise.
11228 * regs.h: Likewise.
11230 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11232 * ggc-common.c: PROTO -> PARAMS.
11233 * ggc-page.c: Likewise.
11234 * ggc-simple.c: Likewise.
11236 * global.c: Likewise.
11237 * graph.c: Likewise.
11238 * gthr-win32.h: Likewise.
11239 * haifa-sched.c: Likewise.
11240 * halfpic.h: Likewise.
11241 * integrate.c: Likewise.
11242 * integrate.h: Likewise.
11243 * jump.c: Likewise.
11245 * local-alloc.c: Likewise.
11246 * loop.c: Likewise.
11247 * loop.h: Likewise.
11249 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11251 * genattr.c: PROTO -> PARAMS.
11252 * genattrtab.c: Likewise.
11253 * gencheck.c: Likewise.
11254 * gencodes.c: Likewise.
11255 * genconfig.c: Likewise.
11256 * genemit.c: Likewise.
11257 * genextract.c: Likewise.
11258 * genflags.c: Likewise.
11259 * gengenrtl.c: Likewise.
11260 * genopinit.c: Likewise.
11261 * genoutput.c: Likewise.
11262 * genpeep.c: Likewise.
11263 * genrecog.c: Likewise.
11265 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11267 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11269 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11271 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11272 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11273 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11274 * configure, config.in: Rebuilt.
11276 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11278 * config/i386/i386.md: Add peephole to merge successive stack
11281 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11283 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11284 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11285 when walking backwards to find all the parameter loads when
11286 the basic block ends in a call.
11288 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11290 * loop.c (this_loop_info): Delete.
11291 (uid_loop): Add in place of uid_loop_num. All uses updated.
11292 (loop_number_exit_count): Delete and replace with entry in loop
11293 structure. All uses updated.
11294 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11295 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11296 (loop_outer_loop): Likewise.
11297 (loop_invalid, loop_number_exit_labels): Likewise.
11298 (loop_used_count_register): Delete and replace with entry in
11299 loop_info structure.
11300 (find_and_verify_loops): Add loops argument.
11301 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11302 loop_end, etc. arguments with loop structure pointer. All callers
11304 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11305 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11306 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11307 (insert_bct): Likewise.
11308 (basic_induction_var): New argument level.
11309 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11310 vtop, and cont. Add used_count_register.
11311 (uid_loop): Delete declaration.
11312 (loop_number_exit_count): Likewise.
11313 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11314 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11315 (loop_outer_loop, loop_used_count_register): Likewise.
11316 (loop_invalid, loop_number_exit_labels): Likewise.
11317 (unroll_loop): Replace loop_start and loop_end arguments
11318 with loop structure pointer.
11319 (loop_precondition_p, loop_iterations): Likewise.
11320 Include basic-block.h.
11321 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11322 with loop structure pointer.
11323 (loop_precondition_p, loop_iterations): Likewise.
11324 * basic-block.h (struct loop): New entries vtop, cont,
11325 cont_dominator, start, end, top, scan_start, exit_labels,
11327 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11329 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11331 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11333 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11335 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11337 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11339 * pdp11-protos.h: New file.
11341 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11344 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11347 * pdp11.md: Likewise.
11349 * 2bsd.h: Likewise.
11351 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11353 * mn10300-protos.h: New file.
11355 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11358 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11361 * mn10300.md: Likewise.
11363 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11365 * mn10200-protos.h: New file.
11367 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11370 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11373 * mn10200.md: Likewise.
11375 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11377 * h8300-protos.h: New file.
11379 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11382 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11385 * h8300.md: Likewise.
11387 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11389 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11390 (asm_emit_uninitialised): Likewise.
11392 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11394 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11395 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11397 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11399 * config/mips/mips.c (override_options): Don't turn on extra
11400 alignment for mips16.
11402 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11404 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11405 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11408 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11410 * builtins.c (PAD_VARARGS_DOWN): Define.
11411 (std_expand_builtin_va_arg): Use the above macro.
11412 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11413 * tm.texi (Register Arguments): Document the above macro.
11415 2000-01-14 Nick Clifton <nickc@cygnus.com>
11417 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11418 that this function has not been used to emit a jump
11421 * jump.c (return_jump_1): Cope with being passed a null rtx.
11423 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11425 * eh-common.h: PROTO -> PARAMS.
11426 * emit-rtl.c: Likewise.
11427 * errors.c: Likewise.
11428 * errors.h: Likewise.
11429 * except.c: Likewise.
11430 * except.h: Likewise.
11431 * explow.c: Likewise.
11432 * expmed.c: Likewise.
11433 * expr.c: Likewise.
11434 * expr.h: Likewise.
11435 * final.c: Likewise.
11436 * fix-header.c: Likewise.
11437 * flow.c: Likewise.
11438 * fold-const.c: Likewise.
11439 * function.c: Likewise.
11440 * function.h: Likewise.
11442 * gcov-io.h: Likewise.
11443 * gcov.c: Likewise.
11444 * gcse.c: Likewise.
11446 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11448 * sh-protos.h: New file.
11450 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11451 Add static prototypes. Fix compile time warnings.
11453 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11457 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11459 * arc-protos.h: New file.
11461 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11464 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11467 * arc.md: Likewise.
11469 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11471 * dsp16xx-protos.h: New file.
11473 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11476 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11479 * dsp16xx.md: Likewise.
11481 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11483 * convex-protos.h: New file.
11485 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11488 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11491 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11493 * elxsi-protos.h: New file.
11495 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11498 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11501 * elxsi.md: Likewise.
11503 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11505 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11506 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11507 match the comment for MIPS16.
11509 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11511 * flow.c (split_edge): Do not call set_block_for_insn if we
11512 do not have a basic_block_for_insn structure.
11514 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11515 and destination functions are 32bit aligned within the trampoline.
11516 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11517 (TRAMPOLINE_ALIGNMENT): Define.
11519 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11520 (set (pc) (label_ref)), verify the change creates a valid insn.
11522 * fr30.c (call_operand): Tighten and rework to match rules for
11523 call RTL expressions.
11524 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11525 * fr30.md (call patterns): Improve constraints.
11527 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11529 * fr30.c (fr30_expand_epilogue): Revert last change.
11530 Use emit_jump_insn for the return insn.
11532 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11533 Stan Cox <scox@cygnus.com>
11535 * predict.c: New file. Preliminary infrastructure work for static
11536 branch prediction and basic block reordering.
11537 * basic-block.h: Add prototype for estimate_probability.
11538 * Makefile.in: Add rules for predict.o.
11540 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11542 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11543 * fixinc/*: Likewise.
11545 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11547 * cccp.c: PROTO -> PARAMS.
11548 * cexp.y: Likewise.
11549 * collect2.c: Likewise.
11550 * combine.c: Likewise.
11551 * convert.h: Likewise.
11553 * dbxout.c: Likewise.
11554 * dbxout.h: Likewise.
11555 * diagnostic.c: Likewise.
11556 * doprint.c: Likewise.
11557 * dwarf2out.c: Likewise.
11558 * dwarf2out.h: Likewise.
11559 * dwarfout.c: Likewise.
11560 * dwarfout.h: Likewise.
11561 * dyn-string.h: Likewise.
11563 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11565 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11566 macro conditionals guarding use.
11568 * dwarf2out.c: Include "tm_p.h".
11570 * function.c (locate_and_pad_parm): Mark parameter with
11572 (expand_function_end): Likewise for variable `context'.
11574 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11576 2000-01-13 Nick Clifton <nickc@cygnus.com>
11578 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11579 register to prevent compile time warnings.
11581 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11583 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11584 to avoid -Wtraditional warning.
11586 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11588 * 1750a-protos.h: New file.
11590 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11593 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11596 * 1750a.md: Likewise.
11598 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11600 * a29k-protos.h: New file.
11602 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11605 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11608 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11610 * clipper-protos.h: New file.
11612 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11615 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11618 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11620 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11622 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11624 * configure.in (--enable-new-gxx-abi): New option.
11625 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11626 * Makefile.in (GXX_ABI_FLAG): New variable.
11627 * configure: Regenerate.
11629 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11631 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11632 * tm.texi (FORCE_STRUCT_BLK): Document.
11633 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11635 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11637 * config/ns32k/ns32k.md: Revert Jan 9 change.
11639 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11640 to a mode-test, if the predicate is address_operand.
11642 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11644 * combine.c (if_then_else_cond): Be careful about what kinds
11645 of RTL expressions are passed to operand_subword.
11647 * flow.c (split_edge): If we have to insert a new jump, make
11648 sure to associate it with a basic block.
11650 * flow.c (commit_one_edge_insertion): A block with one successor
11651 can end in a JUMP_INSN that is not a simplejump.
11653 2000-01-12 Robert Lipe <robertl@sco.com>
11655 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11656 (BUILD_VA_LIST_TYPE): Define.
11657 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11660 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11662 * cccp.c (do_pragma): Add cast to (char *).
11664 2000-01-12 Richard Henderson <rth@cygnus.com>
11665 Fred Fish <fnf@be.com>
11666 Jason Merrill <jason@cygnus.com>
11668 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11669 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11670 * i386/beos-elf.h, i386/beos-pe.h: New files.
11672 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11673 * cross-make (SYSTEM_HEADER_DIR): Define using
11674 CROSS_SYSTEM_HEADER_DIR.
11676 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11677 (process_command): Use it.
11678 (main): Likewise. Kill trailing = from env vars.
11679 (build_search_list): Put it back.
11680 * collect2.c (main): Use LIBRARY_PATH_ENV.
11682 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11683 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11685 * tm.texi (Frame Layout): Document SMALL_STACK.
11686 * c-common.c (c_common_nodes_and_builtins): Check it.
11688 * system.h: Undef alloca after including glibc's <stdlib.h>,
11689 if USE_C_ALLOCA is defined.
11691 * gcc.c (set_input): New fn.
11692 (main): After all input files are compiled, reset the input file
11695 * aclocal.m4 (rindex, index): If already defined, don't attempt
11698 * ginclude/varargs.h: (__va_list__): Define ifndef.
11699 * ginclude/stdarg.h: Likewise.
11701 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11702 instead of unsigned char.
11704 * hash.h (true, false, boolean): Undef before enum.
11706 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11707 proper type of "HOST_WIDE_INT *", rather than their natural type of
11708 "unsigned HOST_WIDE_INT *".
11710 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11712 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11714 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11716 * regclass.c (choose_hard_reg_mode): Likewise.
11718 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11720 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11722 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11724 * c-common.c: PROTO -> PARAMS.
11725 * c-common.h: Likewise.
11726 * c-decl.c: Likewise.
11727 * c-iterate.c: Likewise.
11728 * c-lang.c: Likewise.
11729 * c-lex.c: Likewise.
11730 * c-lex.h: Likewise.
11731 * c-parse.in: Likewise.
11732 * c-pragma.c: Likewise.
11733 * c-pragma.h: Likewise.
11734 * c-tree.h: Likewise.
11735 * c-typeck.c: Likewise.
11736 * objc/objc-act.c: Likewise.
11737 * objc/objc-act.h: Likewise.
11739 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11741 * m88k-protos.h: New file.
11743 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11746 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11748 * m88k.md: Likewise.
11750 * tekXD88.h: Likewise.
11752 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11754 * m68k-protos.h: New file.
11756 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11759 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11761 * mot3300.h: Likewise.
11763 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11765 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11767 (extract_bitlist): Declare bitlen.
11769 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11771 * cccp.c: Accept and ignore -lang-fortran.
11773 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11774 qualifiers don't match at any level of pointerness.
11776 2000-01-12 Robert Lipe <robertl@sco.com>
11778 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11780 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11782 * reload1.c (reload_reg_unavailable): New static variable.
11783 (reload_reg_free_p): Test it.
11784 (reload_reg_free_for_value_p): Test it instead of
11786 (choose_reload_regs_init): Compute it.
11788 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11790 * reorg.c (fill_slots_from_thread): Check modified_in_p
11793 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11795 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11796 these nodes even if INTERNALS is not set.
11798 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11800 * gcse.c (delete_null_pointer_checks_1): Cope when
11801 get_condition cannot determine the condition.
11803 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11805 * toplev.h (set_message_length): Declare.
11807 * diagnostic.c (obstack_chunk_alloc): Define macro.
11808 (obstack_chunk_free): Likewise.
11809 (struct output_buffer): New data structure.
11810 (vmessage): Remove.
11811 (output_maximum_width): New variable.
11812 (doing_line_wrapping, set_message_length, init_output_buffer,
11813 get_output_prefix, output_space_left, emit_output_prefix,
11814 output_newline, output_append, output_puts, dump_output,
11815 vbuild_message_string, build_message_string, build_location_prefix,
11816 voutput_notice, output_printf, line_wrapper_printf,
11817 vline_wrapper_message_with_location): New functions. Implement
11818 automatic line wrapping.
11819 (v_message_with_decl): Make it handle automatic line wrapping.
11820 (v_error_with_file_and_line): Likewise.
11821 (v_warning_with_file_and_line): Likewise.
11822 (announce_function): Likewise.
11823 (default_print_error_function): Likewise.
11825 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11827 * cpplib.h (struct cpp_options): Change lang_asm to char.
11829 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11830 done in cpp_handle_option now.
11831 (initialize_builtins): Take out special case code used only by
11833 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11834 if -traditional. Recognize -lang-fortran and set
11835 lang_fortran, also turn off cplusplus_comments.
11836 (print_help): Document -lang-fortran.
11837 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11838 lang_asm. Ignore all directives other than `# 123 "file"' if
11840 (cpp_get_token): If -traditional, don't recognize directives
11841 unless the # is in column 1.
11842 (parse_string): If lang_fortran or lang_asm, silently
11843 terminate strings ('' or "") at end of line.
11844 Remove unnecessary braces.
11846 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11847 Richard Henderson <rth@cygnus.com>
11849 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11851 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11852 strict_low_part when possible.
11854 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11856 * alias.c: PROTO -> PARAMS.
11857 * basic-block.h: Likewise.
11858 * bitmap.c: Likewise.
11859 * bitmap.h: Likewise.
11860 * builtins.c: Likewise.
11861 * c-aux-info.c: Likewise.
11862 * caller-save.c: Likewise.
11863 * calls.c: Likewise.
11865 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11867 * Makefile.in (toplev.o): Depend on regs.h.
11869 * output.h (tdesc_section): Prototype.
11871 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11873 * sdbout.c: Include "tm_p.h".
11875 * toplev.c: Include "regs.h".
11877 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11879 * unroll.c (unroll_loop): Add EH support.
11881 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11883 * pa-protos.h: New file.
11885 * pa.c: Include recog.h and tm_p.h.
11886 (compute_zdepwi_operands, compute_movstrsi_length,
11887 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11888 find_addr_reg, import_milli): Add static prototypes.
11889 (pa_cpu_string, pa_arch_string): Constify a char*.
11890 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11891 (read_only_operand): Add argument `mode'.
11892 (singlemove_string, output_move_double, output_fp_move_double,
11893 output_block_move, output_and, output_ior, output_ascii,
11894 remove_useless_addtr_insns, milli_names, output_mul_insn,
11895 output_div_insn, output_mod_insn, output_arg_descriptor,
11896 output_cbranch, output_bb, output_bvb, output_dbra, ,
11897 output_millicode_call, output_call, hppa_encode_label,
11898 output_parallel_movb, output_parallel_addb): Constify a char*.
11899 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11900 (output_parallel_addb): Remove extra arg to `constrain_operands'
11902 * pa.h: Move all prototypes to pa-protos.h.
11903 (pa_cpu_string, pa_arch_string): Constify a char*.
11904 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11906 * pa.md: Call `function_label_operand' with mode argument.
11907 Likewise for `read_only_operand'.
11908 Fix nesting of parens in call to `symbolic_operand'.
11910 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11912 * i860-protos.h: New file.
11914 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11917 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11919 * i860.md: Likewise.
11921 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11923 * i386.md (movstrsi expander): Rewrite.
11924 (movstrsi_1 insn): Deleted.
11925 (strmovhi, strmovqi expander): New expanders.
11926 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11927 * i386.c (x86_single_stringop): New global variable.
11928 * i386.h (x86_single_stringop): Declare.
11929 (TARGET_SINGLE_STRINGOP): New macro.
11931 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11933 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11934 integer vararg POSTINCREMENT before the destination of the jump
11935 for the hard fp case.
11936 (function_arg_pass_by_reference): Pass a copy of CUM to
11939 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11940 for CONSTANT_ADDRESS_P above while loop for subreg.
11942 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11944 * flow.c (propagate_block): When a prologue/epilogue insn
11945 is marked dead, unconditionally clear libcall_is_dead and
11946 insn_is_dead, and only dump rtl if warnings aren't being
11949 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11951 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11952 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11953 (FIXED_REGISTERS): Set dirflag as fixed.
11954 (CALL_USED_REGISTERS): Set dirflag as used.
11955 (REG_ALLOC_ORDER): Set dirflag as last one.
11956 (DIRFLAG_REG): New macro.
11957 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11958 (HI_REGISTER_NAMES): Add dirflag.
11959 (DEBUF_PRINT_REG): Handle dirflag.
11960 * i386.md (type attribute): New cld and str types.
11961 (length_opcode attribute): Set cld and str to 1.
11962 (memory attribute): Set str to unknown - it is not clear from the
11964 (pent_np function unit): Prefixed string operations takes 12 cycles
11965 minimally; cld takes 2 cycles.
11966 (ppro_uops attribute): Str is "many" and cld is "few".
11967 (ppro_p0 unit): Handle cld here.
11968 (k6_alux unit): Handle cld and str types.
11969 (k6_load unit): It is ocupied by str opcodes.
11970 (k6_store unit): It is ocupied by str opcodes.
11971 (athlon_decode): Str is vector decoded.
11972 (athlon_ieu): Handle str and cld.
11973 (cld pattern): New.
11974 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11975 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11976 cmpstrsi_nz_1 insn): Do not output cld instruction
11978 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11980 * gcc.texi (G++ and GCC): Add Java and Chill.
11981 (Bug Critera): Don't list languages.
11983 * gcc.texi (Incompatibilities): No longer claim most C compilers
11986 * gcc.texi (G++ and GCC): Update other front-ends list.
11988 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11990 * i386.c (ix86_expand_setcc): Fix typo.
11991 (ix86_expand_movcc): Similarly.
11993 * Band-aid until haifa's bitset implementation is nuked.
11994 * haifa-sched.c (extract_bitlst): New parameter for size of the
11995 bitset in bits. All callers changed. Avoid looking at undefined
11996 bits in the bitset.
11997 (edgeset_bitsize): New variable.
11998 (schedule_region): Initialize edgeset_bitsize.
12000 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12002 * Makefile.in (optabs.o): Depend on real.h
12003 (resource.o): Depend on insn-attr.h
12005 * builtins.c (result_vector): Wrap prototype in macro conditions
12006 governing definition and use.
12008 * c-common.c: Include tm_p.h.
12010 * c-lex.c: Likewise.
12012 * elfos.h: Constify a char*.
12014 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
12015 (get_attr_length, shorten_branches, profile_after_prologue): Mark
12016 parameter with ATTRIBUTE_UNUSED.
12018 * fold-const.c (exact_real_inverse): Wrap variable `i' in
12021 * haifa-sched.c (schedule_insns): Mark parameter with
12024 * optabs.c: Include real.h.
12026 * real.h (ereal_atof): Add prototype arguments.
12028 * resource.c: Include insn-attr.h.
12030 * sdbout.c (sdbout_queue_anonymous_type,
12031 sdbout_dequeue_anonymous_types): Wrap in macro
12032 SDB_ALLOW_FORWARD_REFERENCES.
12033 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
12036 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
12038 * stupid.c: Include tm_p.h.
12040 * tree.c (real_value_from_int_cst): Mark parameter with
12043 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12045 * i960-protos.h: New file.
12047 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
12050 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
12052 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12054 * combine.c (expand_field_assignment): Do not discard SUBREGs
12055 while computing nonzero_bits.
12057 2000-01-09 Nick Clifton <nickc@cygnus.com>
12059 * config/arm/arm.c: Fix compile time warnings about signed vs
12060 unsigned constants.
12061 * config/arm/arm.h: Fix compile time warnings about signed vs
12062 unsigned constants.
12064 2000-01-09 Philip Blundell <philb@gnu.org>
12066 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
12067 than `ldm' with only one register.
12068 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
12071 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
12074 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
12076 * config/ns32k/ns32k.md (load or push effective address): Operand 1
12079 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12081 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
12082 assignment used as truth value.
12084 * function.c (assign_temp): Mark parameter `dont_promote' with
12085 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
12086 PROMOTE_FOR_CALL_ONLY.
12088 * genrecog.c (write_subroutine): Mark variable `operands' with
12091 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
12094 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
12095 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
12097 * toplev.c (note_deferral_of_defined_inline_function): Likewise
12100 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12102 * config/c4x.h: Tidy up comments.
12103 * config/c4x.c: Likewise.
12105 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
12107 * fold-const.c (lshift_double, rshift_double): Handle
12108 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
12110 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12112 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
12113 in prepare_function_start().
12115 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
12117 * config/v850/v850.c (expand_epilogue): Interrupt functions no
12118 longer allocate extra stack for function calls.
12120 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12122 * config/c4x/c4x.md (*subqf3_set): Fix typo.
12124 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12126 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
12128 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12130 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12131 * aix43.h: Revert Aug 2 change.
12132 (HAS_INIT_SECTION): Define, not visible yet.
12133 (LD_INIT_SWITCH): Define, not visible yet.
12134 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12136 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
12138 * collect2.c (main): Expand ld2 size further.
12139 (export_object_lst): Cast assignment to avoid warning.
12140 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
12141 (scan_prog_file, COFF): Do not collect initialization or
12142 finalization functions generated for entire shared object if
12143 init/fini support present.
12145 2000-01-07 Nick Clifton <nickc@cygnus.com>
12147 * config/elfos.h: Tidy up formatting of marcos. Make sure
12148 that .section directives are always prefixed by a tab.
12150 * config/svr4.h: Add #include "elfos.h" and remove duplicate
12153 2000-01-07 Matt Austern <austern@sgi.com>
12155 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
12158 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
12160 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
12162 (crtbegin.o, s-crtS): Likewise.
12164 2000-01-06 Richard Henderson <rth@cygnus.com>
12166 * alpha.md (adddi_2+1): Limit offset such that it will be
12167 loadable with a single ldah+lda pair.
12168 (adddi_2+2): Explicitly fail split if we can't make it work.
12170 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
12172 * protoize.c: Conditionally include unistd.h.
12173 (IS_SAME_PATH_CHAR): New macro.
12174 (IS_SAME_PATH): New macro.
12175 (CPLUS_FILE_SUFFIX): New macro.
12176 (cplus_suffix): New static variable.
12177 (is_abspath): New static function.
12178 (in_system_include_dir): Handle DOS style pathnames.
12179 (file_could_be_converted): Likewise.
12180 (file_normally_convertible): Likewise.
12181 (directory_specified_p): Likewise.
12182 (file_excluded_p): Likewise.
12183 (abspath): Likewise.
12184 (shortpath): Likewise.
12185 (referenced_file_is_newer): Likewise.
12186 (save_def_or_dec): Likewise.
12187 (do_processing): Likewise.
12189 (edit_file): Likewise. Use rename instead of link.
12190 (rename_c_file): Likewise. Don't rename syscalls file.
12191 (munge_compile_params): Define null device for DOS based systems.
12192 (process_aux_info_file): Use binary mode if appliable.
12193 (edit_file): Likewise.
12194 * invoke.texi (Running Protoize): Document C++ suffixes used.
12196 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
12197 IS_DIR_SEPARATOR macros.
12198 * collect2.c: Likewise.
12199 * cppinit.c: Likewise.
12200 * dwarf2out.c: Likewise.
12202 * gcov.c: Likewise.
12203 * prefix.c: Likewise.
12205 * toplev.c: Likewise.
12206 * system.h: And move to here.
12208 * prefix.c (update_path): Fix typo in variable name.
12210 2000-01-06 Richard Henderson <rth@cygnus.com>
12212 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
12213 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
12214 (count_reg_sets_1, count_reg_references): Likewise.
12215 (flow_loops_level_compute): Start counting actual loop depth at 1.
12216 (flow_loops_find): Likewise.
12217 * local-alloc.c (update_equiv_regs): Likewise.
12218 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
12220 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12222 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12223 FIRST_PSEUDO_REGISTER
12224 * dwarf2out.c: Don't include frame.h
12225 * dwarfout.c: Likewise
12226 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12229 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12231 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12234 * i386.c (movsf splitter): Fix typo in my last checkin.
12236 2000-01-05 Nick Clifton <nickc@cygnus.com>
12238 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12239 own definition of this macro.
12240 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12241 flag_data_sections or UNIQUE_SECTION_P are true.
12243 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12244 unitialised data decls.
12246 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12247 being called for uninitialised data.
12249 * config/i386/interix.c (i386_pe_unique_section): Cope with
12250 being called for uninitialised data.
12252 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12253 for uninitialised data.
12255 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12256 for uninitialised data.
12258 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12259 for uninitialised data.
12261 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12262 (UNIQUE_SECTION_P): Always generate a unique section if
12263 flag_data_sections is true.
12264 (UNIQUE_SECTION): Also generate unique sections for
12265 uninitialised data.
12266 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12267 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12270 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12272 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12275 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12277 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12278 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12279 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12280 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12281 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12283 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12285 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12287 * c-decl.c (finish_enum): Simplify code to determine minimum and
12288 maximum values of the enum, and calculate the type. Remove check
12289 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12290 the DECL_INITIAL of each enumeration constant with a copy converted
12291 to the enumeration type. When updating variant types, don't bother
12292 updating the type itself.
12294 * c-typeck.c (build_binary_op): Simplify conditional expressions
12295 when weeding out spurious signed-unsigned warnings. Add new
12296 spurious warning category: if the unsigned quantity is an enum
12297 and its maximum value fits in signed_type(result_type). Update
12299 (build_conditional_expr): Warn here if one alternative is signed
12300 and the other is unsigned.
12302 2000-01-05 Nick Clifton <nickc@cygnus.com>
12304 * config/fr30/fr30.h: Remove extraneous comments.
12306 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12308 * reload1.c (choose_reload_regs): When disabling a reload, also
12309 set reload_spill_index to -1.
12311 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12313 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12315 (m68*-*-rtemself*): New target.
12316 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12317 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12318 (sparc*-*-rtemself*): New target.
12319 (sparc*-*-rtems*): Now elf not a.out.
12320 * config/i386/rtems.h: Include config/rtems.h.
12321 * config/i386/rtemself.h: Include config/rtems.h.
12322 * config/i960/rtems.h: Include config/rtems.h.
12323 * config/m68k/rtems.h: Include config/rtems.h.
12324 * config/m68k/rtemself.h: Include config/rtems.h.
12325 * config/mips/rtems64.h: Include config/rtems.h.
12326 * config/pa/rtems.h: Include config/rtems.h.
12327 * config/rs6000/rtems.h: Include config/rtems.h.
12328 * config/sh/rtems.h: Include config/rtems.h.
12329 * config/sh/rtemself.h: Include config/rtems.h.
12330 * config/sparc/rtems.h: Include config/rtems.h.
12331 * config/sparc/rtemself.h: Include config/rtems.h
12333 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12335 * final.c (shorten_branches): Correctly compute length of
12336 asms without operands.
12338 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12340 * configure.in: Add pj target.
12341 * configure: Regenerate.
12342 * config/pj: New directory.
12343 * config/pj/lib1funcs.S: New file.
12344 * config/pj/linux.h: New file.
12345 * config/pj/pj.c: New file.
12346 * config/pj/pj.md: New file.
12347 * config/pj/pjl.h: New file.
12348 * config/pj/t-pj: New file.
12349 * config/pj/xm-pj.h: New file
12351 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12353 * toplev.c (rest_of_compilation): Run shorten-branches before
12356 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12358 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12359 macros so that they're consistent with their names.
12360 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12361 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12363 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12365 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12366 modified inadvertently.
12368 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12370 * configure.in (v850*-*-rtems*): New target.
12371 * configure: Regenerate.
12372 * config/v850/rtems.h: New file.
12374 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12376 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12377 (__gthread_key_create): Likewise.
12378 (__gthread_key_dtor): Likewise.
12379 (__gthread_once): Fix logic.
12380 (__gthread_key_delete): Cast away constness.
12382 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12383 * invoke.texi: Document.
12384 * i386/mingw32.h (CPP_SPEC): Use.
12385 (LIBGCC_SPEC): Likewise.
12386 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12388 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12390 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12391 (HANDLE_PRAGMA_PACK): Undefine.
12392 (SLOW_UNALIGNED_ACCESS): Define.
12394 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12396 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12397 to default definition.
12398 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12399 (store_fixed_bit_field): Call macro with word_mode and alignment.
12400 (extract_bit_field): Call macro with relevant mode and alignment.
12401 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12402 to default definition.
12403 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12405 (move_by_pieces_ninsns): Likewise.
12406 (clear_by_pieces): Likewise.
12407 (emit_push_insn): Likewise.
12408 (store_field): Call macro with relevant mode and alignment.
12409 (expand_expr): Likewise.
12410 (expand_expr_unaligned): Likewise.
12412 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12413 (SLOW_UNALIGNED_ACCESS): Define.
12414 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12415 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12416 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12417 (toc_section): Likewise and .toc pseudo-op.
12418 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12420 (TEXT_SECTION_ASM_OP): Likewise.
12421 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12424 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12425 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12426 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12427 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12428 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12430 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12432 * regclass.c: Revert my Jan 4 change to loop cost computation.
12434 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12436 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12439 2000-01-04 Stan Cox <scox@cygnus.com>
12441 * haifa-sched.c (build_control_flow): Change unreachable simple
12442 loop test to check if current block has only one predecessor.
12443 (find_rgns): Initialize degree. Use dest as degree index, not src.
12445 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12447 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12449 * calls.c (expand_call): Likewise for
12450 `old_stack_arg_under_construction'.
12452 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12454 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12457 * gcc.c (execute): Likewise for `ut' and `st'.
12459 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12461 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12463 * jump.c (jump_optimize_1): Likewise for `temp2'.
12465 * local-alloc.c (block_alloc): Likewise for `r1'.
12467 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12469 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12470 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12472 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12475 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12476 and `goal_earlyclobber'.
12478 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12480 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12482 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12484 * unroll.c (copy_loop_body): Likewise for `copy'.
12486 * varasm.c (output_constructor): Likewise for `byte'.
12488 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12490 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12491 all FP constants for constant->reg moves.
12492 (ix86_split_to_parts): Try to convert memory address into immediate
12493 when available in the constant pool.
12494 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12496 (LEGITIMATE_CONSTANT_P): Return 1.
12497 * i386.md (pushsf): New splitter to convert constant pool memory
12498 reference to immediate.
12499 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12502 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12504 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12505 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12506 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12507 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12508 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12510 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12512 * ginclude/stdbool.h: Support compilation as C++.
12514 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12516 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12518 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12520 * regclass.c (regclass): Properly compute loop_cost. Adjust
12523 * regclass.c: Fix minor whitespace problems.
12525 2000-01-03 Anthony Green <green@cygnus.com>
12527 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12528 Restore the pic register if required.
12530 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12532 * c-common.c (format_char_info): Update comment.
12533 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12534 was recognized. Emit warning for formats new in ISO C99 only
12535 if flag_isoc9x is not set.
12537 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12539 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12541 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12543 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12544 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12545 (make_compound_operation): Choose cheaper alternative between
12546 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12548 * regclass.c (op_costs): Remove global variable.
12549 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12550 (record_operand_costs): Break out from ...
12551 (scan_one_insn): ... here.
12552 (dump_regclass): Make dumps nicer.
12553 (regclass): Dump preferrences choosed and changes done during passes.
12555 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12557 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12559 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12561 * config/sparc/sparc.c (gen_df_reg): New function.
12562 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12563 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12564 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12565 movtf_cc_reg_sp64+1): Use it.
12567 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12569 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12570 copied LABEL_DECLs.
12572 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12574 * config/i386/i386.c (ix86_expand_unary_operator): Function
12575 definition made void.
12576 (ix86_expand_binary_operator): Update outdated preceding comment.
12577 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12580 * config/i386/i386.c (override_options): Fix option-name typo.
12582 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12584 * system.h (CEIL): Define.
12585 * builtins.c (CEIL): Remove.
12586 * expmed.c (CEIL): Likewise.
12587 * expr.c (CEIL): Likewise.
12588 * stor-layout.c (CEIL): Likewise.
12590 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12592 * expr.c (store_constructor_field): Fix typo introduced with last
12595 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12597 * tree.h (BINFO_N_BASETYPES): New macro.
12599 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12601 * expmed.c (emit_store_flag): Prevent losing a pending stack
12602 adjust the same way we prevent losing queued increments.
12604 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12606 * function.c (update_temp_slot_address): Handle case where sum of
12607 temporary address plus offset in register is a valid address.
12609 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12611 * genrecog.c (change_state) Corrected typo.
12613 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12615 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12616 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12617 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12619 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12621 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12622 case, expand GT comparisons correctly. Fix a comment before this
12625 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12627 * dwarfout.c: Include "frame.h"
12628 * dwarf2out.c: Likewise.
12629 * Makefile.in (dwarfout.o): Depend on frame.h
12630 (dwarf2out.o): Likewise.
12632 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12634 Restore i386 binary compatibility in Dwarf EH info.
12635 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12636 value of FIRST_PSEUDO_REGISTER.
12637 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12638 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12639 * dwarfout.c (output_reg_number): Ditto.
12640 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12641 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12643 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12645 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12646 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12647 (<hack>_RE_CT): not needed
12648 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12649 rewritten to scan the file text once only
12650 "template<..." test added
12651 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12652 (is_cxx_header): declaration added
12653 * fixinc/fixtests.c(is_cxx_header): removed
12654 (apply_fix_p_t): removed
12655 (double_slash_test): is_cxx_header is only called once now
12656 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12657 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12658 within the templates.
12659 The borken spelling of "broken" was fixed.
12660 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12661 The default level depends on FIXINC_DEBUG.
12663 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12665 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12666 Otherwise provide a declaration for atexit.
12667 (init_dummy): Make sure dummy call to atexit is nevertheless
12668 called with correct number of args.
12670 * frame.c: Update comments referring to other files.
12672 * libgcc2.c: Likewise.
12674 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12676 * cse.c (free_element, get_element): Remove unused prototypes.
12678 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12681 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12684 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12686 * configure.in,configure: case arm for mn10200-*-* now sets
12687 float_format=i32 so that float.h will correctly claim "double"
12688 to be 32 bits. Ran autoconf to generate configure from .in file.
12690 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12692 * pa.md (conditional zero): If op1 is a register, force it into
12693 the same register as op0.
12695 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12697 * tree.h (BINFO_BASETYPES): Improve documentation.
12699 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12701 * configure.in (--enable-checking): Use a more portable `for'
12704 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12706 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12707 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12709 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12712 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12713 Delete descriptions.
12715 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12716 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12717 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12718 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12719 xm-svr4.h: Remove all instances of sys_siglist handling.
12721 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12723 * config/sparc/sparc.md (cmp_zero_qi,
12724 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12725 cmp_zero_extendqidi2_andcc_set): New patterns.
12727 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12729 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12730 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12731 (fpgnulib.c, xfgnulib.c): Add rules.
12732 * m68k/t-mot3300-gas: Likewise.
12734 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12736 * configure.in: Avoid [[ by using test and changequote. Add
12737 changequote required by 1999-12-14 change.
12738 * configure: Rebuild.
12740 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12742 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12744 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12746 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12747 * flow.c (find_use_as_address): Likewise.
12748 * function.c (fixup_var_refs_1): Likewise.
12749 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12750 * jump.c (invert_exp, redirect_exp): Likewise.
12751 * loop.c (replace_call_address): Likewise.
12752 (count_nonfixed_reads): Likewise.
12753 * rtlanal.c (modified_between_p): Likewise.
12754 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12755 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12756 * unroll.c (remap_split_bivs): Likewise.
12758 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12760 * diagnostic.c (v_message_with_decl): Use .* format specifier
12761 instead of building the format specifier width manually.
12763 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12764 determining whether to provide a prototype. Remove the
12765 sys_siglist clause in the conditional.
12767 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12769 * fold-const.c (operand_equal_p): Use memcmp to compare string
12771 Suggested by D. J. Bernstein
12773 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12775 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12776 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12778 * config/mips/mips.h (TARGET_64BIT): Likewise.
12779 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12780 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12781 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12782 dsps. Give routines proper names if SI/DI modes are not used.
12783 * longlong.h: Use DWunion instead of DIunion.
12785 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12787 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12788 GC_CHECKING, GC_ALWAYS_COLLECT.
12789 * configure.in: Allow --enable-checking with an argument
12790 listing check modes to enable.
12791 * config.in, configure: Rebuilt.
12792 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12793 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12794 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12795 ENABLE_GC_ALWAYS_COLLECT.
12796 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12798 * tree.h, tree.c: Change ENABLE_CHECKING to
12799 ENABLE_TREE_CHECKING throughout.
12801 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12803 * fold-const.c (fold_truthop): Properly check for FP RHS.
12805 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12807 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12808 * toplev.c (note_deferral_of_defined_inline_function): New
12809 function, split out from ...
12810 (rest_of_compilation): ... here. Use it.
12812 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12814 * expr.c (store_constructor): Don't call clear_storage if size is
12817 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12819 * Makefile.in (toplev.o): Depend on loop.h.
12821 * dwarfout.c: Include tm_p.h.
12823 * emit-rtl.c (restore_emit_status): Mark parameter with
12826 * final.c (final_scan_insn): Likewise.
12828 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12829 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12830 flow_depth_first_order_compute, flow_loop_pre_header_find,
12831 flow_loop_tree_node_add, flow_loops_tree_build,
12832 flow_loop_level_compute, flow_loops_level_compute,
12833 flow_loop_outside_edge_p): Add prototypes.
12834 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12836 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12837 Mark with ATTRIBUTE_NORETURN.
12839 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12841 * local-alloc.c (no_conflict_p): Likewise.
12843 * loop.c (insert_bct): Hide definitions of variables with hidden
12845 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12847 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12848 with ATTRIBUTE_UNUSED.
12849 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12850 (reg_scan): Likewise.
12852 * reload.c (find_reloads): Remove unused variables `changed'.
12854 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12856 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12857 Remove unused variable `insn'.
12859 * toplev.c: Include loop.h.
12860 (report_file_and_line): Remove unnecessary prototype.
12862 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12864 * unroll.c (biv_total_increment): Likewise.
12866 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12868 * reload1.c (emit_input_reload_insns): Restore old behaviour
12869 wrt. 'special' reloads.
12871 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12873 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12874 hash.h. (cse.c): Don't depend on hashtab.h.
12876 * cse.c: Don't include hashtab.h.
12877 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12879 * ggc-simple.c: Don't include hash.h.
12881 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12883 * dwarf2out.c (add_abstract_origin_attribute): Call
12884 gen_abstract_function on our function context.
12886 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12888 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12890 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12892 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12895 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12897 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12898 constraints to "a!r".
12900 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12902 * Makefile.in (calls.o): Depend on function.h.
12903 (alias.o): Likewise.
12905 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12907 * reload1.c (emit_reload_insns): Break out code and variables into...
12908 (input_reload_insns, other_input_address_reload_insns,
12909 other_input_reload_insns, input_address_reload_insns,
12910 inpaddr_address_reload_insns, output_reload_insns,
12911 output_address_reload_insns, outaddr_address_reload_insns,
12912 operand_reload_insns, other_operand_reload_insns,
12913 other_output_reload_insns): ... new static variables, and...
12914 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12915 do_output_reload): ... new functions.
12917 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12919 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12921 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12923 * md.texi: Add c4x constraints documentation.
12925 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12927 * config/i386/dgux.c (struct option): Rename to
12928 lang_independent_option.
12929 (struct m_options): Add description field.
12930 (output_options): Rename option type, add sep declaration, output
12931 ix86_cpu_string and ix86_arch_string only if set.
12932 (output_file_start): Rename option type.
12934 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12936 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12938 (libgcc2.a): Similarly.
12940 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12942 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12943 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12944 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12946 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12948 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12949 Remove redundant initialization of "frexpon" and "expon".
12951 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12953 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12955 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12956 (store_constructor_field, expand_expr): Pass new arg.
12958 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12960 * Makefile.in (explow.o): Depend on function.h.
12962 * stor-layout.c (set_sizetype): Fix typo.
12964 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12966 * function.c (cfun): Renamed from current_function. All users
12968 * function.h (cfun): Rename declaration as well.
12970 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12971 to be of type regset_head, not regset. All users changed by adding
12973 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12975 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12977 * config/c4x/rtems.h: New file.
12979 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12981 * reload1.c (spill_failure): Take class of failed reload as argument
12982 and print it. Caller changed.
12984 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12986 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12987 (TARGET_SWITCHES): Allow subtargets to default switches.
12988 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12990 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12992 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12995 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12997 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12998 * cppinit.c (cpp_handle_option): Likewise.
13000 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
13001 determine when to define.
13003 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
13005 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
13006 cmove with mismatched test and data modes.
13008 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
13010 * c-typeck.c (c_expand_start_case): Don't warn for long switch
13013 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13015 * alias.c: Minor reformatting.
13016 * flow.c: Likewise.
13017 * regs.h: Likewise.
13018 * stor-layout.c: Likewise.
13019 * fold-const.c: Likewise.
13020 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
13021 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
13023 (size_int_wide): Cache nodes even if garbage collecting.
13024 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
13025 of SAVE_EXPR has no side effects.
13026 * cse.c: Move a comment.
13027 * tree.c: Minor reformatting.
13028 (int_size_in_bytes): Return -1 if constant overflows.
13030 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13032 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
13034 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
13036 * objc/objc-parse.c: Regenerate. This file must be rebuilt
13037 after any change to c-parse.in, even if objc-parse.y didn't
13040 1999-12-18 David S. Miller <davem@redhat.com>
13042 * toplev.c (rest_of_compilation): Restore BLOCK tree
13043 reconstruction and branch shortening changes lost in
13044 December 18th change.
13046 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
13048 * config/arm/linux-elf.h: Change all instances of
13049 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
13050 * config/arm/uclinux-elf.h: Likewise.
13052 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
13054 * toplev.c (notice, vmessage, v_message_with_file_and_line,
13055 v_message_with_decl, file_and_line_for_asm,
13056 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
13057 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
13058 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
13059 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
13060 pfatal_with_name, fatal_io_error, need_error_newline,
13061 last_error_function, last_error_tick, announce_function,
13062 default_print_error_function, print_error_function,
13063 report_error_function, fnotice, error_with_file_and_line,
13064 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
13065 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
13066 warning_with_decl, warning_for_asm, warning, pedwarn,
13067 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
13069 (compile_file): Use fnotice instead of notice. Adjust call.
13071 * diagnostic.c: New file.
13073 * Makefile.in (OBJS): Include diagnostic.o
13074 (diagnostic.o): Define dependence.
13076 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13078 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
13081 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13083 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
13085 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
13087 * fixtests.c (is_cxx_header): New fn, split out of
13089 (else_endif_label): Allow "#endif // comment" in C++ headers,
13090 as determined by is_cxx_header.
13091 * fixfixes.c (else_endif_label_fix): Update comment.
13092 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
13094 * genfixes: Correct double thinko in commandline parsing.
13095 * hackshell.tpl: Generate correct sh syntax for bypass
13098 * inclhack.def (all): Whenever an inserted preprocessor
13099 conditional is split over multiple lines, use double
13100 backslashes in this file so the fixed header will be readable.
13102 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
13103 and add bypass entry for correct version of this header.
13104 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
13105 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
13107 (hpux8_bogus_inlines): New fix, split from...
13108 (ultrix_atof_param) ... here.
13109 (math_expression): Add bypass entry keyed to glibc comment
13110 indicating the problem has been dealt with; disable
13111 unnecessary sed operations; update commentary.
13112 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
13113 add select and bypass entries, simplify shell operation.
13114 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
13116 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
13117 ultrix_atof_param): Add select entry.
13118 (stdio_va_list, sunos_mather_decl): Add bypass entry.
13119 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
13120 comments with the fixes they describe.
13122 * c-parse.in (string action): Do not warn about ANSI string
13123 concatenation in system headers. Affects C parser only.
13124 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
13126 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13128 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
13129 compiling libgcc2 the macro depends always on arch cpp defines.
13131 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
13133 * loop.c (insert_loop_mem): Don't record MEMs from inside
13136 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
13138 * regclass.c (regclass): Do not use flowgraph when not optimizing.
13140 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
13141 notes too, create one when replacement failed, attempt to simplify
13143 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
13144 or REG_EQUIV notes.
13146 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13148 * crtstuff.c (__dso_handle): Declare.
13149 (__cxa_finalize): Likewise.
13150 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
13153 * invoke.texi: Document -fuse-cxa-atexit.
13155 * tree.h (ptr_type_node): Document.
13156 (const_ptr_type_node): Likewise.
13158 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13160 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
13161 (optimize_reg_copy_2): Likewise.
13162 (optimize_reg_copy_3): Likewise.
13163 (fixup_match_2): Likewise.
13164 (regmove_optimize): Likewise.
13165 (fixup_match_1): Liekwise.
13167 * i386.md (HI to SImode promoting splitters): Rewrite.
13168 (pushsf mem peep2): New.
13169 (testhi to andhi peep2): Remove.
13170 * i386.h (x86_promote_QImode): New.
13171 (TARGET_PROMOTE_QImode): New.
13172 (PREDICATE_CODES): Add promotable_binary_operator.
13173 * i386.c (x86_promote_QImode0: New.
13174 (promotable_binary_operator): New.
13175 * i386-protos.h (promotable_binary_operator): New.
13177 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
13179 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
13181 1999-12-16 Mark Mitchell <mark@codesourcery.com>
13183 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
13184 * function.c (insert_block_after_note): Remove.
13185 (retrofit_block): Likewise.
13186 (identify_blocks): Fix indentation.
13187 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
13188 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
13189 * function.h (insert_block_after_note): Remove prototype.
13190 (retrofit_block): Likewise.
13191 * integrate.c (expand_inline_function): Don't call
13192 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
13193 just expand_start_bindings. Use the block_map to remap old
13194 NOTE_BLOCKs to new ones.
13195 (integrate_decl_tree): Keep track of remapped blocks.
13196 * integrate.h (struct inline_remap): Add block_map.
13197 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
13198 NOTE_BLOCK on the notes.
13199 (expand_start_bindings): Rename to ...
13200 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
13201 (expand_end_bindings): Set NOTE_BLOCK.
13202 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
13203 reconstruct the BLOCK tree.
13204 * tree.h (expand_start_bindings): Macroize. Call ...
13205 (expand_start_bindings_and_block): New function.
13207 1999-12-16 Jakub Jelinek <jakub@redhat.com>
13209 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
13210 to match the format.
13212 1999-12-16 David S. Miller <davem@redhat.com>
13214 * expr.c (emit_move_insn_1): Only emit clobbers if one of
13215 the outputs is a SUBREG.
13216 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
13219 * config/sparc/sparc.c (epilogue_renumber): Add default case
13222 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13224 * toplev.c (rest_of_compilation): Run branch shortening after
13227 * regclass.c (loop_depth): Remove
13228 (scan_one_insn): Do not handle LOOP_NOTE insns.
13229 (regclass): Go through basic blocks and set loop_cost
13231 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13233 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13235 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13237 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13238 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13239 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13241 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13243 * loop.c (insert_loop_mem): Ignore memory clobbers.
13245 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13248 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13250 * profile.c: Remove redundant #include "output.h".
13252 * h8300.md (HImode preinc peephole): Fix typo.
13254 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13256 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13257 (insert_block_after_note): Abort if we don't have a previous block.
13258 Remove FN parameter.
13259 * function.h: Adjust.
13261 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13263 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13264 argument more than once.
13266 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13268 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13270 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13272 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13274 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13276 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13277 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13278 update stack_alignment_needed.
13279 (prepare_function_start): Initialize stack_alignment_needed
13280 * function.h (struct function): Add field stack_alignment_needed.
13282 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13284 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13285 Handle live_throughout / dead_or_set instead of live_before /
13287 (save_call_clobbered_regs): Get register livenessinformation from
13288 chain->live_throughout.
13289 (add_stored_regs): New function.
13290 (insert_restore, insert_save): Add restored / saved registers to
13292 * global.c (reg_dies): New parameter chain.
13293 (reg_becomes_live): Third parameter is regs_set now.
13294 Changed all callers.
13295 (reg_dies): New parameter chain. Changed all callers.
13296 (build_insn_chain): Set live_throughout instead of
13297 live_before / live_after.
13298 * reload.h (struct insn_chain): Replace members live_before /
13299 live_after with live_throughout / dead_or_set.
13300 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13301 instead of live_before / live_after.
13302 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13303 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13304 (choose_reload_regs_init): Likewise.
13305 * stupid.c (current_chain, find_clobbered_regs): Delete.
13306 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13307 instead of chain->live_before / chain->live_after.
13308 (mark_hard_ref): New function.
13309 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13311 1999-12-15 David S. Miller <davem@redhat.com>
13313 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13315 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13317 * flow.c (calculate_loop_depth): Make global, remove prototype,
13318 rewrite to use new loop infrastructure.
13319 (find_basic_block): Remove calculate_loop_depth call.
13320 * toplev.c (rest_of_compilation): Call find_basic_block.
13321 * output.h (calculate_loop_depth): Declare.
13323 * flow.c (dump_flow_info): Dump loop_depth.
13324 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13326 (flow_loops_find): Initialize the loop_depth for each basic block.
13328 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13330 * tree.c (decl_function_context): Handle virtual functions.
13332 * tlink.c (scan_linker_output): Don't look in demangled name when
13333 looking for linker output keywords.
13335 * dwarfout.c (output_type): We can defer namespace-scope classes.
13337 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13339 * regclass.c (record_reg_classes): Update comment for merging
13340 register class preferences in reg->reg copies. Tighten conditions
13341 for merging register class preferences in reg->reg copies.
13343 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13345 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13347 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13349 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13350 (INIT_SECTION_ASM_OP): Delete.
13351 (FINI_SECTION_ASM_OP): Delete.
13352 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13354 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13356 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13357 the abstract origin wasn't emitted.
13359 * dwarf2out.c (class_scope_p): New fn.
13360 (gen_subprogram_die): Use it.
13361 (gen_variable_die): Use it. Tweak logic.
13362 (gen_struct_or_union_type_die): Check context_die to determine
13363 if we're function-local.
13364 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13366 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13368 * loop.c (check_dbra_loop): Can't reverse a biv that has
13369 maybe_multiple set.
13371 1999-12-14 Nick Clifton <nickc@cygnus.com>
13373 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13376 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13378 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13379 for givs made from biv increments.
13381 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13383 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13384 * alpha.c (override_options): Recognize -mcpu=ev67.
13385 * alpha.h (CPP_CPU_EV67_SPEC): New.
13386 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13387 (EXTRA_SPECS): Update.
13389 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13391 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13392 appropriate for -lang-c89 and -std=*.
13393 * cppinit.c (cpp_handle_option): Likewise.
13394 (new_pending_define): New, split out from cpp_handle_option.
13395 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13396 or enable trigraphs for -ansi/-std=*.
13398 * ginclude/stdarg.h (__va_copy): New.
13399 (va_copy): Don't define for C89.
13401 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13403 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13404 for long long multiply-accumulate.
13406 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13408 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13409 optimizing for size.
13411 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13413 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13414 if something changed. Back out that part of yesterday's changes.
13416 * loop.c (loop_max_reg): New static variable.
13417 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13419 (scan_loop): Call reg_scan_update whenever we may have added new
13420 registers, and update loop_max_reg.
13422 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13424 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13425 when source does not die.
13427 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13429 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13431 * config/sparc/linux64.h (TARGET_LIVE_G0,
13432 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13434 * config/sparc/linux.h (TARGET_LIVE_G0,
13435 TARGET_BROKEN_SAVERESTORE): Likewise.
13436 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13437 TARGET_BROKEN_SAVERESTORE): Likewise.
13439 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13440 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13442 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13443 as sparc64 block profiling register.
13444 * config/sparc/sparc.c (sparc_override_options): Allow block
13445 profiling with -m32.
13446 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13447 profiling register.
13448 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13449 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13450 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13452 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13454 * config/sparc/sparc.h: Likewise.
13455 * config/sparc/xm-sysv4-64.h: Likewise.
13456 * config/float-sparc.h: Likewise.
13457 * glimits.h: Likewise.
13458 * longlong.h: Likewise.
13460 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13461 (ASM_IDENTIFY_GCC): Remove.
13463 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13465 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13466 (simplify_logical): Likewise.
13468 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13470 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13471 * cppfiles.c (INO_T_EQ): Likewise.
13473 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13475 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13476 * i386/mingw32.h (LIB_SPEC): Likewise.
13477 (STARTFILE_SPEC): Likewise.
13478 * i386/uwin.h (LIB_SPEC): Likewise.
13479 (STARTFILE_SPEC): Likewise.
13481 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13482 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13484 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13486 * combine.c (combine_simplify_rtx): Fix order of checks for
13487 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13489 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13491 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13492 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13494 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13496 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13498 * regclass.c (inv_reg_alloc_order): New array.
13499 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13501 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13502 counted_for_groups, counted_for_nongroups. Add fields rld and
13504 * reload.c (push_secondary_reload): Don't set nongroup field of
13506 (push_reload): Likewise.
13507 (find_reloads): Delete code to compute nongroup fields.
13508 * reload1.c (reload_insn_firstobj): New static variable.
13509 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13511 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13512 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13513 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13515 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13517 (struct hard_reg_n_uses): Deleted.
13518 (potential_reload_regs): Deleted.
13519 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13520 (reload): Don't try to allocate reload registers if we already know
13521 we have to make another pass. Call select_reload_regs. Free memory
13522 starting with reload_firstobj when starting another pass.
13523 Don't allocate spilled_pseudos.
13524 (calculate_needs_all_insns): Call copy_reloads for an insn that
13525 needs reloads; don't call calculate_needs.
13526 (spill_cost): New static array.
13527 (used_spill_regs_local): New static variable.
13528 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13529 to compute potential_reload_regs.
13530 (find_reload_regs): Completely rewritten to use find_reg.
13531 (allocate_reload_reg): Don't test counted_for_groups or
13532 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13533 all cllers changed.
13534 (choose_reload_regs): Add fallback code that uses the existing
13535 register allocation from find_reload_regs.
13537 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13539 * flow.c (create_edge_list): Cast xmalloc return value.
13541 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13543 * doprnt.c: Remove incorrect comment closure.
13545 * cse.c: Fix a few minor whitespace goofs.
13547 1999-12-13 Don Bowman <don@pixstream.com>
13549 * mips/vxworks.h: Fix problem with comment termination.
13550 (EXTRA_SECTIONS): Add in_sbss.
13551 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13553 1999-12-12 David S. Miller <davem@redhat.com>
13555 * cse.c (struct cse_reg_info): Add hash_next member,
13556 reorder rest of struct for better packing on 64-bit
13558 (cse_reg_info_tree): Kill.
13559 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13560 REGHASH_FN): New custom pow2 hash mechanism.
13562 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13563 use a pow2 hash table.
13564 (get_cse_reg_info): Rework to use new REGHASH.
13565 (new_basic_block): Likewise, use HASH_SIZE, and inline
13567 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13568 and inline free_element call.
13569 (lookup_as_function, insert, flush_hash_table, invalidate,
13570 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13571 invalidate_for_call, use_related_value, find_comparison_args,
13572 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13573 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13574 get_element): Kill.
13576 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13578 * cse.c (cse_basic_block): Free qty_table consistently.
13580 1999-12-12 David S. Miller <davem@redhat.com>
13581 Jakub Jelinek <jakub@redhat.com>
13583 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13584 SUBREGs by hand, gen the appropriate hard reg directly.
13585 (movtf reg/mem split): Likewise and alter_subreg on destination
13587 (movtf mem/reg split): Similarly.
13588 (movdf_cc_sp64): Rename from hidden pattern.
13589 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13590 (movtf_cc_sp64, following split): New pattern and splitter.
13591 (movdf_cc_reg_sp64): Rename from hidden pattern.
13592 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13594 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13596 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13598 * loop.c (load_mems): Don't hoist written floating point mem
13601 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13603 * except.h (struct eh_queue): Add `next' pointer.
13604 (struct eh_status): Make x_ehqueue a pointer.
13605 (push_ehqueue): Declare.
13606 (pop_ehqueue): Likewise.
13607 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13609 (expand_fixup_region_end): Likewise.
13610 (expand_leftover_cleanups): Likewise.
13611 (push_ehqueue): Define.
13612 (pop_ehqueue): Likewise.
13613 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13614 than doing it inline.
13615 (expand_start_all_catch): Adjust now that ehqueue is a
13617 (mark_eh_queue): Mark all level of the queue.
13618 (mark_eh_status): Adjust now that ehqueue is a
13620 (init_eh_for_function): Allocate ehqueue.
13621 (free_eh_status): Free it.
13622 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13623 expansion for a fixup.
13625 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13627 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13629 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13630 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13631 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13632 function_ptr, getpagesize, __enable_execute_stack,
13633 __enable_execute_stack, __clear_insn_cache,
13634 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13635 _cleanup, _exit, __default_terminate, __terminate_func,
13636 __terminate, __empty, __throw, new_eh_context,
13637 eh_context_initialize, eh_context_static, eh_context_specific,
13638 get_eh_context, __get_eh_context, __get_eh_info,
13639 init_reg_size_table, eh_threads_initialize,
13640 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13641 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13642 __pure_virtual): Add prototype arguments.
13643 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13644 Cast a signed value to unsigned long when comparing against one.
13645 (new_eh_context): Wrap in _GTHREADS macro.
13646 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13648 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13649 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13651 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13653 * combine.c (record_promoted_value): Remove unused variable
13656 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13658 * global.c (record_conflicts): Likewise for `j'.
13660 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13663 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13665 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13666 output_fp_compare): Constify a char*.
13668 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13670 (override_options, ix86_comp_type_attributes, print_operand,
13671 output_387_binary_op, output_fix_trunc, output_fp_compare):
13673 (ix86_sched_reorder): Mark parameter `clock_var' with
13676 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13678 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13680 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13681 operand, for use in the Java front-end.
13683 1999-12-10 Ben Collins <bcollins@debian.org>
13685 * configure.in: Fix typo for "-64" in 64bit as check.
13686 * configure: Rebuilt.
13688 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13690 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13693 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13695 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13696 concatenation is utilized.
13698 * invoke.texi (-Wtraditional): Document it.
13700 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13702 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13703 Cast a ptrdiff_t to long and pass it to printf with %ld.
13705 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13707 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13708 68881, we have no 68881 registers at all.
13709 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13710 value in a 68881 register if it is available.
13712 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13714 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13715 for long long multiply-accumulate.
13717 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13719 * loop.c (insert_loop_mem): Undo last change.
13721 1999-12-10 David S. Miller <davem@redhat.com>
13723 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13725 * config/sparc/sparc-protos.h: Add them.
13726 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13727 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13728 constraints which use those helpers.
13729 (EXTRA_CONSTRAINT): Use this new macro.
13730 * md.texi: Update sparc target constraints documentation.
13731 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13732 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13733 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13734 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13735 (movsf high/lo_sum split): Rework for new patterns.
13736 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13738 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13740 * c-common.c (c_common_nodes_and_builtins):
13741 Create __builtin_ptrdiff_t and __builtin_size_t.
13743 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13745 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13747 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13749 * regclass.c (globalize_reg): Re-instate test that allows
13750 fixed registers to be declared as a variable even after functions
13753 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13755 * i386.md (cpu attribute): Add "athlon".
13756 (athlon_decode): New attribute.
13757 (Athlon scheduling units definitions): New.
13758 (fcmp and shld patterns): Set athlon_decode to "vector".
13759 * i386.c (athlon_cost): New.
13761 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13762 x86_use_sahf): Set for Athlon.
13763 (x86_use_fiop): Unset for Athlon.
13764 (override_options): Define Athlon alignments and "athlon" name.
13765 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13766 * i386.h (TARGET_ATHLON): New.
13767 (enum processor_type): Add PROCESSOR_ATHLON.
13768 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13770 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13772 1999-12-09 Andreas Jaeger <aj@suse.de>
13774 * loop.c (record_biv): Declare parameter as int.
13776 * config/i386/i386-protos.h: Declare long_memory_operand.
13778 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13780 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13781 EXPR_WITH_FILE_LOCATION.
13783 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13785 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13788 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13790 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13793 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13795 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13796 default on linux64 again.
13797 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13798 models for multilibing.
13799 * genmultilib: Accept | as alternative separator within a set in
13802 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13804 * calls.c (precompute_arguments): Make sure initial_value contains
13805 value pseudo which CSE expects.
13806 * cse.c (struct set): New entry orig_src.
13807 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13810 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13812 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13814 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13816 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13818 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13820 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13821 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13823 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13826 * longlong.h: Merge in changes from glibc.
13827 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13828 -mno-app-regs libgcc can be compiled.
13829 * libgcc2.c: Add defines so that the updated longlong.h
13830 can be used in libgcc2.a. Also, make sure on most architectures
13831 (at least on all which have optimized code in longlong.h defined
13832 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13834 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13836 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13837 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13838 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13840 * configure: Rebuilt.
13842 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13844 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13845 outputs require a register.
13847 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13849 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13850 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13851 functions like dptoul will be resolved.
13852 (libgcc2.a): Make sure that the object files from DPBIT are named
13853 differently (prefix `_dp') from those that would be coming from
13856 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13858 * configure.in: When target is sparc* and tm_file contains 64,
13859 test for 64bit support in assembler. If not supported, remove
13860 sparc/t-sol2-64 from target-dependent Makefile fragments.
13861 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13862 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13863 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13864 * acconfig.h (AS_SPARC64_FLAG): Added.
13865 * configure, config.in: Rebuilt.
13866 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13867 support. Use AS_SPARC64_FLAG.
13869 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13871 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13872 suitable for holding OFmode values so that gcc works with complex
13874 (hard_64bit_mode_classes): Likewise.
13876 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13877 so that it is actually matched.
13878 (sethi_di_medlow): Likewise.
13880 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13881 as legitimate constant if -mvis.
13882 * config/sparc/sparc.md (movtf): Likewise.
13883 (clear_sf): Use const_double_operand.
13884 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13886 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13887 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13888 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13889 routines, _Qp_* cannot be handled like that now.
13890 (INIT_TARGET_OPTABS): Likewise.
13891 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13892 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13893 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13894 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13895 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13896 divtf3, sqrttf3): New expanders.
13897 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13898 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13899 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13902 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13903 * configure: Rebuilt.
13904 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13905 -mcpu is given and we're doing 64bit compiles.
13907 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13909 * loop.h (struct induction): Add multi_insn_incr.
13910 * loop.c (basic_induction_var): New multi_insn_incr argument.
13911 Set it if we search back through previous insns for the biv.
13912 (record_biv): New multi_insn_incr argument; fill in struct induction.
13913 (strength_reduce): Discard an iv with multiple bivs, any of
13914 which require multiple insns to increment.
13916 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13918 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13921 1999-12-06 David S. Miller <davem@redhat.com>
13923 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13924 PROMOTE_FUNCTION_RETURN.
13926 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13928 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13929 and handle REG_UNUSED note on insn.
13931 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13932 inner_mask instead of mask.
13934 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13936 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13937 zero if there was an error.
13939 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13941 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13944 * longlong.h: Fix clobbers in SPARC asm statements.
13946 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13947 valid sethi operations when TARGET_ARCH64.
13949 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13950 always use move_by_pieces to avoid infinite recursion.
13951 (restore_fixed_argument_area): Likewise.
13953 * combine.c (check_promoted_subreg, record_promoted_value): New
13955 (combine_instructions): Use them to retain nonzero and sign bit
13956 information after SUBREGs are eliminated by optimizations in
13957 this pass if PROMOTE_FUNCTION_RETURN.
13959 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13960 .register declaration. Don't use variables with __ prefixes.
13962 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13964 * fold-const.c (optimize_bit_field_compare): Only use one mode
13965 for both RHS and LHS in non-constant case.
13967 1999-12-06 Nathan Sidwell <nathan@acm.org>
13969 * frame.c (start_fde_sort): Only allocate erratic array, if
13970 linear one was allocated. Return allocated flag.
13971 (fde_insert): Only insert, if there's a valid array.
13972 (fde_end_sort): Split, sort and merge if linear and erratic
13973 arrays exist, else just sort linear one.
13974 (search_fdes): New function. Linear search through original fde
13976 (frame_init): Permit multiple initializations. Cope with
13978 (find_fde): Fallback on linear search, if failed to sort array.
13979 (__deregister_frame_info): Only free sorted array, if we
13982 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13984 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13986 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13988 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13990 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13992 * tree.h (special_function_p): Declare.
13993 * calls.c (special_function_p): Make it global. Don't take `name'
13994 as a parameter. Fix typo in 1999-11-28 change.
13995 (expand_cal): Adjust.
13997 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13999 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
14000 * tree.h (EXPR_WFL_FILENAME): Define in terms of
14001 EXPR_WFL_FILENAME_NODE.
14002 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
14004 * print-tree.c (print_note): Print TREE_PRIVATE and
14007 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
14008 the original die cannot be found.
14010 * varray.h (varray_head_tag): Add elements_used.
14011 (VARRAY_PUSH): New macro.
14012 (VARRAY_POP): Likewise.
14013 (VARRAY_TOP): Likewise.
14014 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
14016 * varray.c (varray_init): Initialize elements_used.
14017 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
14018 (INTEGRATE_H): New variable.
14019 (integrate.o): Depend on INTEGRATE_H.
14020 (unroll.o): Likewise.
14022 * function.h (insert_block_after_note): Declare.
14023 * function.c (insert_block_after_note): Split out from ...
14024 (retrofit_block): ... here.
14026 * stmt.c (expand_fixup): Fix typo in comment.
14028 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14030 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
14031 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
14032 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
14033 (regmove_optimize, fixup_match_1): Likewise.
14035 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14037 * flow.c (flow_loops_dump): Add missing argument when calling
14038 flow_loop_nested_p.
14040 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
14041 Greg McGary <gkm@gnu.org>
14043 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
14044 (init_attributes): Add A_NO_LIMIT_STACK.
14045 (decl_attributes): Handle A_NO_LIMIT_STACK.
14046 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
14047 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14048 Handle stack bounds checking.
14049 * flags.h (flag_stack_check): Use the word 'probe' rather than
14050 'check', because the flag doesn't actually cause any checking to
14052 * function.c (expand_function_start): Set
14053 current_function_limit_stack.
14054 * function.h (struct function): Add limit_stack.
14055 (current_function_limit_stack): Define.
14056 * invoke.texi (Code Gen Options): Document new options.
14057 * rtl.h: Declare stack_limit_rtx.
14058 * toplev.c (stack_limit_rtx): New variable.
14059 (decode_f_option): Handle new options -fstack-limit-register=REG,
14060 -fstack-limit-symbol=IDENT, -fno-stack-limit.
14061 (main): Add stack_limit_rtx as GC root.
14062 * tree.h (DECL_NO_LIMIT_STACK): New macro.
14063 (struct tree_decl): New member no_limit_stack.
14065 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
14067 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
14068 (conditional_trap+1): Get new mnemonic correct.
14069 (conditional_trap+2): New pattern for DImode traps.
14071 * config/m68k/m68k.c (output_function_prologue): Handle
14073 * config/m68k/m68k.md (trap): New insn.
14074 (conditional_trap): New insn.
14075 * md.texi (Standard Names): Document `trap' and
14076 `conditional_trap'.
14077 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
14078 so a cc0 setter doesn't get emitted at some random place in the
14081 * config/i960/i960.md (trap): New insn.
14082 (conditional_trap): New expander.
14083 (conditional_trap+1, conditional_trap+2): New insns for signed
14084 and unsigned cases.
14085 * config/i960/i960.c (i960_function_prologue): Use
14086 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
14088 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
14089 Geoffrey Keating <geoffk@cygnus.com>
14091 * flags.h (warn_padded, warn_packed): Add global var decls.
14092 * toplev.c (warn_padded, warn_packed): Add global var defns.
14093 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
14094 * stor-layout.c (layout_record): Add local variable `type'
14095 to hold often-used TREE_TYPE (field). Add local variable
14096 `unpacked_align' to hold alignment that would be in force
14097 if no `packed' attribute were present. Warn if `packed' attribute
14098 is unnecessary, or even harmful. Warn when gcc inserts padding
14099 to satisfy alignment requirements of members. Use NULL_TREE
14100 when checking whether var_size is set.
14101 * invoke.texi: Document new flags.
14103 1999-12-03 Nathan Sidwell <nathan@acm.org>
14105 * frame.c (fde_split): Reimplement to avoid variable sized array.
14107 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14109 * combine.c (try_combine): Before fixing up LOG_LINKS for the
14110 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
14112 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
14114 * invoke.texi: Document the mips option -mno-crt0
14116 1999-12-02 Mike Karr <mkarr@mathworks.com>
14118 * cccp.c (argdata): Added free_ptr member.
14119 (macroexpand): Initialize free_ptr of each argument. When an
14120 argument's buffers are freed, if the argument's free_ptr corresponds
14121 to a buffer on the input stack, then return the free_ptr to that stack
14122 frame, otherwise, free it.
14123 (macarg): If an argument begins and ends on the same input stack level,
14124 then transfer the free_ptr of that buffer to the argument in case
14125 the stack is popped during the processing of a subsequent argument.
14127 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
14129 * loop.c (note_reg_stored): New function.
14130 (struct note_reg_stored_arg): New structure.
14131 (try_copy_prop): Change to be more conservative; only replace within
14132 one extended basic block and stop replacing if a store to the
14133 replacement reg is seen.
14135 1999-12-02 Nick Clifton <nickc@cygnus.com>
14137 * config/fp-bit.c: Initialise all fields of the NAN
14140 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
14143 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14145 * i386.md (extend?f?f2): Force the input into a register, not
14148 1999-12-01 Jakub Jelinek <jakub@redhat.com>
14150 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
14152 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
14153 alternative because setting up 64bit constant is usually costly,
14154 especially when reload is in progress or completed.
14155 (movdf_const_intreg_sp64): Likewise.
14156 (movdf_const_intreg split): Fix building up constants when
14157 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
14159 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
14161 * combine.c (if_then_else_cond): Use const_true_rtx instead of
14162 const1_rtx for return values in EQ/NE comparison against (const_int 0)
14165 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
14166 (asm_file_start): Emit .am33 into assembly file when compiling for
14168 (print_operand_address): Handle POST_INC addresses.
14169 (can_use_return_insn, initial_offset): Check AM33 registers too.
14170 (expand_prologue): Check & save AM33 registers too.
14171 (expand_epilogue): Similarly.
14172 (secondary_reload_class): Handle AM33 specific secondary reloads.
14173 (output_tst): Emit efficient code for the AM33 too.
14174 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
14175 (TARGET_SWITCHES): Add -mam33 switch.
14176 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
14177 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
14178 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
14179 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
14180 (enum reg_class, REG_CLASS_NAMES): Likewise.
14181 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
14182 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
14183 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
14184 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
14185 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
14186 (HAVE_POST_INCREMENT): Define.
14187 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
14188 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
14189 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
14190 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
14191 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
14192 (zero_extend to SI from QI/HI): Likewise.
14193 (sign_extend to SI from QI/HI): Likewise.
14194 (mulsidi3, umulsidi3): New patterns for the AM33.
14195 (tstsi with zero extension from QI/HI): Add AM33 variants.
14196 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
14197 (return_internal_regs, store_movm): Handle new AM33 registers.
14198 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
14199 (LIBGCC, INSTALL_LIBGCC): Likewise.
14200 * invoke.texi: Document new flags.
14202 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14204 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
14205 (addsi3_carry): Likewise.
14206 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
14207 (sbbsi3_carry): Likewise.
14208 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
14209 (mulhi3): Likewise.
14210 (test?i_1): Ensure that only one operand is memory.
14211 (conditional move patterns): likewise.
14212 (shift and rotate patterns): Rewrite to expander, add
14213 "binary_operator_ok" to the condition.
14215 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
14216 * i386.h (procesor_costs): Add movzbl_load field.
14217 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
14218 non-Q registers, accept DImode registers anywhere.
14220 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
14221 * i386.c (*_cost): Set value for movxbl_load field.
14223 * (addsi): New add to lea splitter.
14224 (ashlsi): Likewise.
14225 (lea to add/shift peep2): New.
14227 1999-12-01 Mark Salter <msalter@cygnus.com>
14229 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14230 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14231 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14233 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14235 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14236 * i386.md (movsi_xor): New.
14238 (movsi_1, movhi_1, movqi_1): Remove.
14239 (movsi_2): Rename to movsi_1.
14240 (movhi_2): Rename to movhi_1.
14241 (movqi_2): Rename to movqi_1.
14242 (movdi_1): Remove; remove splitter.
14243 (movdi_2): Rename to movdi_1.
14244 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14245 (long move peep2): Do not create QI or HI mode mov0s
14246 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14248 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14251 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14252 (abs?f2_if): Likewise.
14254 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14256 * ggc.h (ggc_test_and_set_mark): New macro.
14257 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14258 (ggc_mark_tree): Likewise.
14259 (ggc_mark_rtvec): Likewise.
14260 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14262 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14264 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14266 (decl_scope_table): Just an array of trees now.
14267 (push_decl_scope): Simplify.
14268 (dwarf2out_init): Adjust.
14269 (local_scope_p): New fn.
14270 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14271 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14272 (gen_typedef_die): Likewise.
14273 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14274 (gen_inlined_subroutine_die): Likewise.
14275 (gen_abstract_function): Set current_function_decl temporarily.
14276 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14277 Handle block extern declarations. Don't call push/pop_decl_scope.
14278 (gen_decl_die): Fix logic for block externs.
14280 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14282 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14283 to the list of functions which have attribute malloc by default.
14285 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14287 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14288 integer constant does not match the traditional type, limit the
14289 warnings to cases where the base of the type is ten.
14291 * invoke.texi (-Wtraditional): Document it.
14293 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14295 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14296 * rs6000.md: Only access a CONST_INT with INTVAL
14298 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14300 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14301 (compute_nearerout): Likewise.
14302 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14303 size_t to unsigned long for formatting.
14305 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14307 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14308 Allow the user to override call-used/fixed state of %g2-5
14309 registers from the command line (with the exception of %g4 for
14311 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14312 there is a higher chance of having a leaf function.
14313 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14314 for ARCH64 which has %ccr register.
14315 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14317 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14318 insn accept into delay slot any insn which does not use %[ol]
14319 registers. Accept some LO_SUM and shift left by 1 for the normal
14321 (output_function_epilogue): Likewise.
14322 (epilogue_renumber): Added argument which inhibits any renumbering
14323 and just tests if the rtx does not use any %[ol] registers.
14324 (output_return): Reflect above change.
14326 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14328 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14329 aggregate passing for sizes <= 16 bytes.
14331 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14333 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14334 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14335 * reload.c (find_dummy_reload): Likewise.
14336 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14337 * reload1.c (reload_as_needed): Likewise.
14338 * stupid.c (stupid_find_reg): Likewise.
14339 * tm.texi (Obsolete Register Macros): Delete section.
14340 * gmicro.h: Remove all traces of the two macros.
14341 * i386.h: Likewise.
14342 * m88k.h: Likewise.
14343 * mips.h: Likewise.
14345 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14347 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14348 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14349 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14350 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14351 units for the sparclite86x chip.
14352 (flush): Revert October 14th change; add SImode specifically.
14353 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14354 * invoke.texi: Document it.
14356 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14358 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14359 psimode_truncation_operand.
14361 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14362 function. Return true if the operand is either a MEM valid
14363 for a PSImode address or not a MEM at all.
14365 * config/mn10200/mn10200.md (truncsipsi2): Use
14366 psimode_truncation_operand.
14368 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14370 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14371 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14372 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14373 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14374 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14375 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14376 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14377 * basic-block.h: Protect from multiple inclusion.
14378 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14379 (struct loops, struct loop): Define structures.
14380 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14381 * sbitmap.h: Protect from multiple inclusion.
14382 (sbitmap_a_subset_b_p): Add prototype.
14383 * Makefile.in (LOOP_H): New macro.
14384 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14386 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14388 * cppinit.c (CAT): The argument list of this macro may not contain
14391 1999-11-29 David S. Miller <davem@redhat.com>
14393 Move quantity tables and register equivalence chains into
14394 per-qty and per-register structure arrays respectively.
14395 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14396 qty_const_insn, qty_comparison_code, qty_comparison_const,
14397 qty_comparison_qty): Delete, replace with...
14398 (qty_table): this structure table.
14399 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14400 (reg_eqv_table): this structure table.
14401 (make_new_qty): Add argument MODE. Caller updated.
14402 Update to use qty_table and reg_eqv_table.
14403 (make_regs_eqv, delete_reg_equiv, insert_regs,
14404 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14405 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14406 cse_process_notes, cse_main, cse_basic_block): Likewise.
14408 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14410 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14411 operation if C is negative.
14412 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14413 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14414 law for some divisions if constant is negative and change other
14415 divisions to the opposite rounding.
14417 * expr.c (store_constructor_field): If bit position is not multiple
14418 of alignment of TARGET's mode, use BLKmode.
14420 * expr.c (expand_expr_unaligned): Add more code from full case
14421 that is needed when OP0 is in a register.
14423 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14425 * dwarfout.c (field_byte_offset): Size can be zero if there was
14428 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14430 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14431 (associate_trees): Delete unused var TEM.
14432 (extract_muldiv): Delete unused var CANCEL_P.
14434 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14435 (target_isinf, target_isnan, target_negative): Add return types to
14436 function definitions.
14438 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14440 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14441 * fixinc/hackshell.tpl: ditto
14442 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14443 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14445 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14447 * reload.c (push_reload): When looking for a register to put into
14448 reg_rtx, make sure all hard regs in a multi-reg register are in the
14449 right class and nonfixed.
14451 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14452 pending_read_insns, pending_write_insns, pending_read_mems,
14453 pending_write_mems, pending_list_length, last_pending_memory_flush,
14454 last_function_call, sched_before_next_call): Move static variables
14456 (bb_ prefixed versions): Replace with single array bb_deps.
14457 (struct deps): New structure.
14458 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14459 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14460 argument of type "struct deps *"; use that instead of global
14461 variables. All callers changed.
14462 (init_rgn_data_dependencies): Delete function.
14463 (init_rtx_vector): Delete function.
14464 (init_deps): New function.
14466 (free_pending_lists): Simplify, we always use the bb_deps array even
14467 if only one basic block.
14468 (compute_block_backward_dependences): Likewise.
14469 (schedule_region): Likewise.
14471 (propagate_deps): New function, broken out of
14472 compute_block_backward_dependences.
14473 (compute_block_backward_dependences): Use it.
14475 * alpha.md: Delete useless patterns that tried to work around
14476 register elimination problems.
14478 * unroll.c (loop_iterations): Don't abort if iteration variable
14481 From Joern Rennecke:
14482 * reload1.c (reloads_conflict): Reverse test comparing operand
14483 numbers when testing for conflict between output/outaddr reloads.
14485 1999-11-29 David S. Miller <davem@redhat.com>
14487 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14489 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14491 1999-11-28 Robert Lipe <robertl@cygnus.com>
14493 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14494 table from .fini into .dtor.
14496 1999-11-28 Anthony Green <green@cygnus.com>
14498 * tree.h (struct tree_decl): Add malloc_flag.
14499 (DECL_IS_MALLOC): Define.
14500 * c-common.c (attrs): Add A_MALLOC attribute.
14501 (init_attributes): Add this attribute to the table.
14502 (decl_attributes): Handle malloc attribute.
14503 * calls.c (special_function_p): Check for the malloc attribute.
14504 * extend.texi (Function Attributes): Document malloc attribute.
14506 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14508 * pa.md (reload shift-add patterns): Remove.
14510 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14512 * reorg.c (dbr_schedule) Print more statistics. Corrected
14513 problem when printing info when 3 delay slots are filled.
14515 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14517 * combine.c (setup_incoming_promotions): Pass an outgoing
14518 regno to FUNCTION_ARG_REGNO_P which it expects.
14520 1999-11-28 Andreas Jaeger <aj@suse.de>
14522 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14524 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14526 * cccp.c (do_include): Avoid initialization of automatic variable.
14528 * integrate.c (mark_stores): Function definition made void, to match
14529 previous declaration.
14530 * regclass.c (dump_regclass): Ditto.
14531 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14533 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14535 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14536 known to be multiple of divisor.
14538 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14540 * combine.c (try_combine): Add code to try to merge a set of a
14541 two-word pseudo to a constant with a setting of one of those words
14544 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14545 (split_tree): Completely rework to make more general.
14546 (make_range, fold): Call negate_expr.
14547 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14548 (fold, associate): Call new split_tree and associate_trees.
14549 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14551 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14553 * loop.c (try_copy_prop): Avoid GNU C extension.
14555 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14557 * except.c (init_eh_for_function): Still zero eh_return_context,
14558 eh_return_stack_adjust, and eh_return_handler.
14560 * except.h (eh_status): Adjust documentation for x_protect_list.
14561 (begin_protect_partials): New function.
14562 * except.c (enqueue_eh_entry): Fix formatting.
14563 (get_first_handler): Add consistency check.
14564 (add_partial_entry): Adjust usage of protect_list.
14565 (emit_cleanup_handler): Save and restore ehqueue.
14566 (expand_start_all_catch): Add comment.
14567 (begin_protect_partials): New function.
14568 (end_protect_partials): Adjust usage of protect_list.
14569 (init_eh_for_function): Use xcalloc.
14571 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14573 * c-common.c (check_format_info): Don't call a variadic function
14574 with a non-literal format string.
14576 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14578 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14579 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14582 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14585 * collect2.c (collect_wait): Likewise.
14587 * dbxout.c (dbxout_type): Likewise.
14589 * gcc.c (do_spec_1): Likewise.
14591 * genemit.c (gen_insn, gen_expand): Likewise.
14593 * genrecog.c (write_switch, write_subroutine): Likewise.
14595 * mips-tfile.c (catch_signal, botch): Likewise.
14597 * print-rtl.c (print_rtx): Likewise.
14599 * toplev.c (default_print_error_function, report_error_function,
14600 _fatal_insn): Likewise.
14602 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14604 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14606 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14608 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14609 operations when needed.
14610 * i386.md (fop_?f_comm): New.
14611 (fop_?f_1): Do not accept commutative operands.
14613 1999-11-25 Andreas Jaeger <aj@suse.de>
14615 * config/mips/mips.md (casesi_internal): Add missing brace.
14617 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14619 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14620 (splice_child_die): Handle moving a child DIE from the declaration
14621 DIE of a class to its specification.
14622 (gen_struct_or_union_type_die): Use 'complete' consistently.
14623 (gen_decl_die): Generate the virtual context DIE first.
14624 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14626 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14628 * config/mips/mips.md (call_value_multiple_interanal1): New.
14630 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14632 * dwarf2out.c (free_AT, free_die): New fns.
14633 (remove_children): Call them.
14634 (output_line_info): Disable removal of duplicate notes.
14636 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14637 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14638 means pretend the type isn't defined.
14639 Don't defer emitting types.
14640 (gen_type_die_for_member): New fn.
14641 (gen_decl_die): Call it.
14642 (splice_child_die): New fn.
14643 (gen_member_die): Call it rather than generate duplicate dies.
14645 Defer emitting information for the abstract instance of an inline
14646 until we either inline it or emit an out-of-line copy.
14647 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14648 from output_inline_function if DECL_ABSTRACT is also set.
14649 (block_ultimate_origin): Likewise.
14650 (gen_abstract_function): New fn.
14651 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14652 (gen_subprogram_die): An abstract instance is not a declaration
14653 just because it doesn't match current_function_decl. Don't abort
14654 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14655 has an abstract origin.
14656 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14657 abstract instance here.
14659 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14661 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14662 where we need to reload fpul from a system register.
14664 1999-11-24 Andreas Jaeger <aj@suse.de>
14666 * config/mips/linux.h (CPP_PREDEFINES): Added.
14667 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14669 1999-11-24 Andreas Jaeger <aj@suse.de>
14671 * config/mips/linux.h (TARGET_VERSION): Added.
14672 (HANDLE_SYSV_PRAGMA): Added.
14673 (DEFAULT_VTABLE_THUNKS): Added.
14675 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14677 * local-alloc.c (qty): New structure and static variable.
14678 (qty_phys_reg): Remove, all references changed to qty.
14679 (qty_n_refs): Likewise.
14680 (qty_min_class): Likewise.
14681 (qty_birth): Likewise.
14682 (qty_death): Likewise.
14683 (qty_size): Likewise.
14684 (qty_mode): Likewise.
14685 (qty_n_calls_crossed): Likewise.
14686 (qty_alternate_class): Likewise.
14687 (qty_changes_size): Likewise.
14688 (qty_first_reg): Likewise.
14689 (alloc_qty): Rename variable QTY to QTYNO.
14690 (finf_free_reg): Likewise.
14691 (local_alloc): Allocate qty, do not allocate the removed variables.
14693 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14695 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14696 when -membedded-pic is passed.
14698 * config/mips/mips.md (casesi): Handle 64-bit case too.
14699 (casesi_internal_di): New insn.
14701 * config/mips/mips.c (embedded_pic_offset): Always make the
14702 embedded-pic subtractions relative to the name of the current
14703 function by use of the magic string "..CURRENT_FUNCTION".
14704 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14706 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14708 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14709 of (const_int 0), when what we really care about is
14710 whether it's a zero constant anyway.
14711 (div_trap_mips16): Likewise.
14713 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14715 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14716 unroll_block_trees when generating debuggable code.
14718 * tree.h (unsave_expr_1): New function.
14719 (lang_unsave): New variable.
14720 (get_callee_fndecl): New function.
14721 * tree.c (unsave_expr_now_r): New function.
14722 (lang_unsave): Define.
14723 (unsave_expr_1): Likewise.
14724 (unsave_expr_now_r): Split out from unsave_expr_now.
14725 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14726 call unsave_expr_now_r.
14727 (get_callee_fndecl): Define.
14729 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14730 (gencheck.o): Do depend on lang_tree_files.
14732 * integrate.h (copy_decl_for_inlining): New declaration.
14733 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14734 (copy_decl_for_inlining): New function.
14735 (integrate_parm_decls): Use it.
14736 (integrate_decl_tree): Likewise.
14738 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14740 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14741 the second two from the first.
14742 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14743 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14744 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14746 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14747 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14750 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14752 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14753 needed on the address operand.
14754 * pa.c (call_operand_address): Check for the correct mode.
14756 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14758 * loop.c: Include "basic-block.h".
14759 (try_copy_prop, replace_loop_reg): New functions.
14760 (load_mems): Detect registers that just hold copies of the hoisted
14761 mem, and call try_copy_prop to eliminate them.
14762 * Makefile.in (loop.o): Update dependencies.
14764 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14766 * Makefile.in (gencheck.o): Depend on gencheck.h.
14767 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14768 (insn-peep.o): Depend on except.h and function.h.
14769 (insn-attrtab.o): Depend on RECOG_H.
14770 (insn-output.o): Depend on toplev.h and flags.h.
14771 (gengenrtl.o): Depend on real.h.
14772 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14773 Unify all dependencies to be on RECOG_H rather than recog.h.
14775 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14777 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14778 * configure.in: Try building a bi-arch 32/64-bit compiler on
14779 sparc-*-solaris2.7 and higher.
14780 * configure: Rebuild.
14782 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14784 * config/freebsd.h: New, FreeBSD architecture independent file.
14785 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14786 independent pieces.
14787 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14788 directly by i386/freebsd.h.
14789 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14790 independent configuration file.
14791 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14792 directly by i386/freebsd.h.
14793 * configure: Rebuilt.
14795 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14796 which is in the user's namespace.
14797 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14798 `i386' which is not in our namespace.
14800 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14802 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14804 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14806 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14807 (add_dwarf_attr, add_child_die): Just push onto the front.
14808 (reverse_die_lists): New fn.
14809 (add_sibling_attributes): Use it.
14810 (push_decl_scope): Reorganize.
14811 (add_name_and_src_coords_attributes): Don't set file and line for
14812 an artificial decl.
14813 (gen_subprogram_die): An artificial function doesn't need to match
14815 (gen_compile_unit_die): Return the generated die. Only add
14816 AT_comp_dir if the filename is relative.
14817 (remove_AT): Simplify loop. Also free string values.
14818 (output_die): A DIE ref can't be null.
14819 (output_value_format, value_format): Take a dw_attr_ref.
14820 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14821 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14822 AT_addr, AT_lbl): New fns.
14823 (various): Use them.
14824 (various): Constify.
14826 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14828 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14829 take SUBREG_WORD into account.
14830 (if_then_else_cond): Likewise.
14832 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14834 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14835 clause from BSD license, pursuant with
14837 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14839 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14841 * loop.c (load_mems): Reformat slightly.
14842 * basic-block.h (regset_head): New typedef.
14843 (INIT_REG_SET): New macro.
14845 1999-11-22 Bruce Korb <autogen@linuxbox.com
14847 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14848 (mips-dec-bsd*): non-functional code
14849 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14851 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14852 added three replacement fixes
14853 (no_double_slash): removed comments that are not (any longer) pertinent
14854 (bad_lval): this fix currently runs against many files.
14855 The comment seems to indicate that we should select for files
14856 containing 'pragma extern_prefix'.
14858 * fixinc/fixinc.x86-linux-gnu: deleted
14859 * fixinc/inclhack.sh: regen
14860 * fixinc/fixincl.x: regen
14861 * fixinc/fixincl.sh: regen
14863 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14865 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14866 its code is INSN and it has no notes.
14868 1999-11-22 Andrew Haley <aph@cygnus.com>
14870 * varasm.c (function_defined): Remove.
14871 (make_function_rtl): Don't set function_defined.
14872 (make_decl_rtl): Remove global register warning.
14873 * regclass.c (no_global_reg_vars): New variable.
14874 (globalize_reg): Warn if function has already been defined.
14875 (regclass_init): Set no_global_reg_vars.
14877 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14879 * regclass.c (reg_pref): New structure and static variable
14880 (prefclass): Delete.
14881 (altclass): Delete.
14882 (all uses of prefclass and altclass): Use reg_pref instead.
14884 1999-11-21 Nick Clifton <nickc@cygnus.com>
14886 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14888 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14889 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14890 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14892 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14894 * varasm.c (output_constructor): Solve problem with long long
14895 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14897 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14899 * global.c (allocno): New structure and static variable.
14900 (allocno_reg): Remove, all references replaced by allocno.
14901 (allocno_size): Likewise.
14902 (hard_reg_conflicts): Likewise.
14903 (hard_reg_preferences): Likewise.
14904 (hard_reg_copy_preferences): Likewise.
14905 (hard_reg_full_preferences): Likewise.
14906 (regs_someone_prefers): Likewise.
14907 (allocno_calls_crossed): Likewise.
14908 (allocno_n_refs): Likewise.
14909 (allocno_live_length): Likewise.
14910 (find_reg): Rename ALLOCNO to NUM.
14912 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14913 references updated.
14914 (may_move_out_cost): New variable.
14915 (init_reg_sets_1): Initialize may_move_out_cost.
14916 (record_reg_classes): Use may_move_out_cost.
14918 * regclass.c (dump_regclass): New function.
14919 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14920 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14921 pass rtl_dump_file to regclass.
14922 * rtl.h (regclass): Update prototype.
14924 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14926 * i386.md (neg, not and abs patterns): Revmap to use
14927 ix86_expand_unary_operator and ix86_unary_operator_ok.
14928 (add?f and sub?f expanders): Force operand 1 to register.
14929 * i386.c (ix86_expand_unary_operator): Rewrite.
14930 (ix86_unary_operator_ok): Ensure that memory operands
14932 (ix86_binary_operator_ok): Do not allow operand 1 to
14933 come into memory and operand 0 not.
14934 (ix86_expand_binary_operator): Ensure that
14935 src1 is not non-matching memory.
14937 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14938 to support integer registers and memory.
14939 (abss?2_integer): Likewise.
14941 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14942 (REG_CLASS_NAMES): Likewise.
14943 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14945 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14946 (movsf): Likewise; unify 4th and 5th alternative.
14947 (pushdf): Likewise.
14948 (movdf_1): Likewise; rename to movdf_integer.
14949 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14950 remove redundant splitter.
14951 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14952 (movdf_nointeger): New.
14953 (movxf_nointeger): New.
14954 (pushxf_nointeger): New.
14956 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14957 memory operands in patterns.
14958 (fop*): Refuse two memory operands.
14960 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14961 on !TARGET_USE_CLTD CPUs.
14963 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14965 * extend.texi: Document C++ restricted pointers and references.
14967 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14969 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14970 (invalidate_skipped_set): Call it unconditionally.
14971 (cse_set_around_loop): Likewise.
14973 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14975 * rtl.texi (mem): Add documentation for alias-set argument
14978 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14980 * i386.h (struct_processor_costs): New fields int_load, int_store,
14981 fp_move, fp_load and fp_store
14982 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14984 (MEMORY_MOVE_COST): New macro.
14985 * i386.c (386_cost): Define new fields.
14986 (i486_cost): Likewise.
14987 (pentium_cost): Likewise.
14988 (pentiumpro_cost): Likewise.
14989 (k6_cost): Likewise.
14991 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14992 Geoffrey Keating <geoffk@cygnus.com>
14994 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14996 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14999 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
15000 (TARGET_STRICT_ALIGNMENT): New macro.
15001 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
15002 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
15003 * invoke.texi (M680x0 Options): Document -mstrict-align.
15005 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
15006 Richard Henderson <rth@cygnus.com>
15008 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
15009 (ix86_split_long_move): Declare.
15010 * i386.c (split_xf, ix86_split_movdi): Remove.
15011 (ix86_split_to_parts, ix86_split_long_move): New.
15012 * i386.md (dimode move splitters): Use ix86_split_long_move.
15013 (dfmode move splitters): Likewise.
15014 (xfmode move splitters): Likewise.
15015 (movsf_1): Allow F->r.
15016 (movdf_1, movxf_1): Allow F->ro.
15018 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15020 * except.h (struct eh_entry): Add goto_entry_p.
15021 (eh_region_from_symbol): Remove prototype.
15022 * except.c (find_func_region_from_symbol): New function.
15023 (emit_cleanup_handler): Likewise.
15024 (eh_region_from_symbol): Make it static.
15025 (add_new_handler): Verify the argument.
15026 (find_func_region): Update comment.
15027 (expand_eh_region_end): Expand handlers here, rater than waiting
15028 until expand_leftover_cleanups or start_all_catch.
15029 (expand_leftover_cleanups): Don't expand here.
15030 (expand_start_all_catch): Or here.
15031 (expand_rethrow): Check the return value from find_func_region.
15032 * function.c (expand_function_end): Emit the catch_clauses.
15034 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
15036 * integrate.c (expand_inline_function): Add necessary check for NULL.
15038 1999-11-18 Nick Clifton <nickc@cygnus.com>
15040 * toplev.c (main): Correctly detect an unrecognised option.
15042 * cppinit.c (cpp_handle_option): Do not claim to have consumed
15043 a -f option if it has not been recognised.
15045 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
15047 * basic-block.h (update_life_extent): Remove trailing comma on
15048 enumeration type list.
15050 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15052 * varasm.c (output_constructor) Solved problem with long long
15053 bitfields. Corrected calculating this_time and shift. Also
15054 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
15056 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
15058 * flow.c (split_edge): Take looping structure into account when
15059 determining where to put the new block note.
15061 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
15063 * Makefile.in (ggc-none.o): Provide host specific version if
15066 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
15068 * cse.c (delete_trivially_dead_insns): Identify no-op insns
15069 containing subregs too.
15071 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15073 * invoke.texi: Add documentation for -muninit-const-in-rodata.
15074 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
15075 (TARGET_UNINIT_CONST_IN_RODATA): Define.
15076 (text_section): Add switches -munint-const-in-rodata and
15077 -mno-uninit-const-in-rodata.
15078 (ASM_OUTPUT_COMMON): Remove.
15079 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
15080 const objects should be placed in read-only data. Otherwise declare
15083 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
15085 * jump.c (jump_optimize_1): Revert last change.
15087 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
15089 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
15090 test if optimizing for size.
15092 1999-11-17 Mark Mitchell <mark@codesourcery.com>
15094 * Makefile.in (toplev.o): Depend on except.h.
15095 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
15097 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
15099 * i386.md (divmodsi4): Rewrite to expander.
15100 (*divmodsi4_nocltd): New.
15101 (*divmodsi4_cltd): New.
15102 (divmodsi4 splitter): Handle the case when input comes in edx.
15103 (udivmodhi4): Do not use constraints in exander.
15104 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
15106 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
15108 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
15109 for the common case.
15111 1999-11-16 Jakub Jelinek <jakub@redhat.com>
15113 * explow.c (hard_function_value): Add outgoing argument.
15114 * expr.h (hard_function_value): Declare it.
15115 * calls.c (expand_call, emit_library_call_value): Update callers.
15116 * function.c (aggregate_value_p): Ditto.
15117 (diddle_return_value): Must look at the outgoing registers
15118 on archs with register windows.
15120 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
15122 * alpha.c (alpha_build_va_list): Use make_lang_type and
15123 initialize TYPE_NAME for the va_list record.
15125 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
15127 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
15129 * ggc.h (struct ggc_statistics): Rearrange elements for better
15130 packing on 64-bit hosts.
15131 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
15132 (compute_nearerout): Likewise.
15134 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
15136 * config/rs6000/rs6000.c (first_reg_to_save): Save
15137 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
15139 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
15141 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
15142 notion of nesting to find the DIE for a type or function.
15143 DIEs can go in limbo even if we got a context_die.
15144 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
15145 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
15147 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
15148 (gen_type_die): Writing out the context doesn't cause member class
15149 template instantiations to be written out as well.
15151 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
15153 * rs6000.h (ASM_OUTPUT_DEF): New.
15154 Based on proposed addition from David Edelsohn.
15156 1999-11-15 Robert Lipe <RobertLipe@usa.net>
15157 Bruce Korb <autogen@linuxbox.com>
15159 * fixinc/inclhack.def
15160 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
15161 (unixware7_byteorder_fix): added. Removes conflicts for new defs
15163 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
15164 (svr4_endian): enabled with SVR5
15165 (svr4_mkdev): simplified syntax and enabled with SVR5
15167 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
15169 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
15170 * configure: Rebuilt.
15171 * config/t-freebsd-thread: New file.
15173 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
15175 * i386.c (ix86_decompose_address): Verify the base is a REG
15176 before trying to examine its register number.
15178 * basic-block.h: Remove all #defines and prototypes related to
15180 (free_bb_mem, compute_preds_succs): Remove prototype.
15181 * rtl.h (free_bb_mem): Remove prototype.
15182 * flow.c (alloc_int_list_node); Remove function.
15183 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
15184 (compute_preds_succs, free_bb_mem): Likewise.
15185 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
15186 * toplev.c (rest_of_compilation): Likewise.
15187 * haifa-sched.c (build_control_flow): Use flow generated edge
15188 list to build the haifa specific edge list.
15189 (find_rgns): Use new CFG data structures instead of pred/succ lists.
15190 (schedule_insns): Do not build pred/succ lists anymore. Instead
15191 build the edge table.
15193 * basic-block.h (dump_bb_data): Remove declaration.
15194 * flow.c (dump_bb_data): Remove function.
15195 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
15196 (sbitmap_union_of_predsucc): Likewise.
15198 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
15199 argument. All callers changed.
15200 (delete_null_pointer_checks_1): No longer need to compute the
15203 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
15204 All callers changed.
15205 (pre_expr_reaches_here_p_work): Likewise.
15206 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
15207 * lcm.c (compute_laterin): Fix initialization of LATER.
15208 (compute_nearerout): Similarly for NEARER.
15210 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15212 * cse.c (set_nonvarying_address_components): Delete unused function.
15213 (refers_to_p): Likewise.
15215 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
15217 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
15220 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15222 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15223 definition in do while (0).
15225 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15227 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15229 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15231 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15233 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15235 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15236 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15237 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15238 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15240 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15241 saved on the stack. Output more accurate stack frame statistics
15242 into assembler file.
15244 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15246 * genextract.c (record_insn_name): New function.
15247 (get_insn_name): No longer a stub.
15248 (main): Call record_insn_name for each insn. After each label
15249 written, print the insn name in a comment.
15251 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15253 * output.h (const_section, init_section, fini_section): Add
15256 * alpha/elf.h (const_section): Delete declaration.
15258 * svr4.h (const_section): Likewise.
15260 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15262 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15263 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15264 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15266 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15267 variable-sized array bounds.
15269 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15271 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15274 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15276 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15277 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15279 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15281 * cse.c (hash_arg_in_struct): Delete.
15282 (struct table_elt): Delete elt in_struct.
15283 (struct set): Delete elt src_in_struct.
15284 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15285 the corresponding in_struct elts.
15286 (canon_hash): Likewise.
15287 (safe_hash): Likewise.
15288 (find_best_addr): Likewise.
15289 (record_jump_cond): Likewise.
15290 (cse_insn): Likewise.
15292 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15294 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15296 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15299 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15301 * function.c (diddle_return_value): Put back check that the DECL_RTL
15302 for the function is a register.
15304 * function.c (diddle_return_value): Use hard_function_value to
15305 get an rtx suitable for use in the USE/CLOBBER insn.
15307 * global.c (global_conflicts): Update comments.
15308 (record_conflicts): No need to record conflicts between pseudos here.
15310 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15312 * fixinc/fixincl.c: Added verbose levels for status messages
15314 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15316 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15317 operand as argument to expand_and or expand_binop.
15319 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15321 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15322 gcc_add_string_root.
15324 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15326 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15328 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15330 * flow.c (compute_flow_dominators): Initially put all blocks on
15332 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15333 * gcse.c (compute_cprop_avinout): Remove.
15334 (compute_cprop_data): Use compute_available.
15335 (delete_null_pointer_checks_1): Use compute_available.
15337 * basic-block.h (compute_available): Returns a void now.
15338 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15339 to return a value anymore.
15340 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15341 worklists. Fix boundary cases. Compute maximal solutions.
15342 (compute_laterin, compute_nearerout): Similarly.
15344 * dwarf2out.c (add_AT_location_description): Allow
15345 (mem (plus (pseudo) (...)) too.
15347 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15349 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15351 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15352 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15354 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15356 * gansidecl.h: Likewise.
15362 * toplev.h: Likewise.
15364 * tree.c: Likewise.
15366 * tree.h: Likewise.
15368 * varray.c: Likewise.
15370 * varray.h: Likewise.
15372 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15374 * gcov.c (struct arcdata): Add hits and total, remove prob.
15375 (output_branch_counts): New.
15376 (process_args): Set output_branch_counts if -c.
15377 (calculate_branch_probs): Store hits and total instead of
15379 (output_data): Emit counts if output_branch_counts is true.
15380 * gcov.texi (Invoking Gcov): Document -c switch..
15382 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15384 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15385 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15387 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15389 * invoke.texi (C Dialect Options): Add missing builtins from
15390 c-common.c to list.
15391 * extend.texi (Other Builtins): Copy to this list.
15393 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15395 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15396 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15397 redundant bitmap.h.
15399 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15401 * flow.c (compute_flow_dominators): No longer treat basic block 0
15402 or (n_basic_blocks - 1) specially. Clear the AUX field before
15403 starting computation of doms/pdoms. Fix initial state for pdoms.
15405 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15407 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15408 match rtl.o's: added ggc.h and toplev.h
15409 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15410 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15411 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15413 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15415 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15416 from HAVE_DOS_BASED_FILESYSTEM.
15417 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15418 HAVE_DOS_BASED_FILESYSTEM.
15420 (split_directories): Only special-case DOS file names if
15421 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15422 instead of explicit tests. Conditionalize on !VMS.
15423 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15424 tests. Conditionalize on !VMS.
15425 (process_command): Only use make_relative_prefix if !VMS.
15426 (free_split_directories): Conditionalize on !VMS.
15427 (DIR_UP): Conditionalize on !VMS.
15429 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15431 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15433 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15435 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15438 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15440 * invoke.texi (Environment Variables): Document relative path
15442 * gcc.c (DIR_UP): If not defined, define as "..".
15443 (standard_bindir_prefix): New static, holds target location to
15445 (split_directories): New function to split a filename into
15446 component directories.
15447 (free_split_directories): New function, release memory allocated
15448 by split_directories.
15449 (make_relative_prefix): New function, make a relative pathname if
15450 the compiler is not in the expected location.
15451 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15452 can figure out an appropriate prefix from argv[0].
15453 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15454 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15455 STANDARD_BINDIR_PREFIX.
15457 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15459 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15461 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15462 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15463 c4x_secondary_memory_needed) Delete.
15464 (fp_zero_operand): Add mode argument.
15466 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15468 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15469 that is in reload_reg_used.
15471 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15473 * config/arm/arm-protos.h: New file: Prototypes for functions
15474 defined in arm.c and pe.c.
15475 * config/arm/arm.h: Fix compile time warnings.
15476 * config/arm/arm.c: Fix compile time warnings.
15477 * config/arm/pe.h: Fix compile time warnings.
15478 * config/arm/aout.h: Fix compile time warnings.
15480 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15482 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15485 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15486 Add support for subtargets.
15487 Add prototypes for new predicates.
15488 Add scheduling macros.
15490 * config/m32r/m32r.c: Fix compile time warnings.
15491 (int8_operand): New predicate function.
15492 (reg_or_cmp_int16_operand): New predicate function.
15493 (extend_operand): New predicate function.
15494 (m32r_adjust_code): New scheduling function.
15495 (m32r_adjust_priorty): New scheduling function.
15496 (m32r_sched_init): New scheduling function.
15497 (m32r_sched_reorder): New scheduling function.
15498 (m32r_sched_variable_issue): New scheduling function.
15499 (direct_return): New codegen function.
15500 (m32r_not_same_reg): New rtl testsing function.
15502 * config/m32r/m32r.md: Fix compile time warnings.
15503 Add support for pre decrement and post increment memory
15505 Add S<cc> patterns.
15508 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15510 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15511 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15512 (find_reg): Likewise.
15514 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15516 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15517 to avoid assembler errors.
15519 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15521 * config/v850/v850-protos.h: New file: Prototypes for functions
15523 * config/v850/v850.h: Move prototypes to v850-protos.h
15524 * config/v850/v850.c: Move prototypes to v850-protos.h
15525 * config/v850/v850.md: Fix compile time warnings.
15527 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15529 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15530 * config/fr30/fr30.c: Fix compile time warnings.
15531 * config/fr30/fr30.md: Fix compile time warnings.
15533 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15535 * tree.h (get_containing_scope): Declare it.
15536 * tree.c (get_containing_scope): New fucntion.
15537 (decl_function_context): Use it.
15538 * toplev.c (rest_of_compilation): Use get_containing_scope.
15540 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15542 * Makefile.in (rtl.o): Depend on toplev.h.
15544 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15546 * cse.c (delete_trivially_dead_insns): Replace alloca with
15548 * except.c (update_rethrow_references): Likewise.
15549 (init_eh_nesting_info): Likewise.
15550 * function.c (identify_blocks): Likewise.
15551 * gcse.c (dump_hash_table): Likewise.
15552 * graph.c (print_rtl_graph_with_bb): Likewise.
15553 * loop.c (combine_movables): Likewise.
15554 (move_movables): Likewise.
15555 (count_loop_regs_set): Likewise.
15556 (strength_reduce): Likewise.
15557 * profile.c (compute_branch_probabilities): New function, split
15559 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15560 * regclass.c (regclass): Likewise.
15561 * regmove.c (regmove_optimize): Likewise.
15562 * toplev.c (compile_file): Likewise.
15563 (main): Don't mess with the stack rlimit.
15565 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15567 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15568 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15570 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15572 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15574 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15576 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15577 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15580 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15582 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15584 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15586 * gcse.c (post_dominators): Kill.
15587 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15588 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15589 pass in a pdom array since we do not need pdoms.
15590 * haifa-sched.c (schedule_insns): Similarly.
15591 * flow.c (compute_dominators): Remove dead function.
15592 (compute_flow_dominators): Do not compute doms or pdoms if the
15593 caller does not request them. Split up loop to build doms and
15594 pdoms. Use a worklist to compute doms and pdoms.
15595 * basic-block.h (compute_dominators): Remove prototype.
15597 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15599 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15600 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15601 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15602 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15603 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15604 (schedule_region): Remove unused variable.
15605 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15607 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15609 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15610 (update_equiv_regs): Likewise.
15611 (block_alloc): Likewise.
15612 * reg-stack.c (reg_to_stack): Likewise.
15613 (convert_regs_2): Likewise.
15614 * reload1.c (reload_as_needed): Likewise.
15616 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15618 * Makefile.in (dbxout.o): Depend on ggc.h.
15619 (dwarf2out.o): Likewise.
15620 (xcoffout.o): Likewise.
15621 * dbxout.c: Include ggc.h.
15622 (dbxout_init): Register lastfile as a root.
15623 * dwarf2out.c: Include ggc.h.
15624 (dwarf2out_line): Register lastfile as a root.
15625 * xcoffout.c: Include ggc.h.
15626 (xcoffout_source_line): Register xcoff_lastfile as a root.
15628 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15630 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15632 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15634 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15636 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15638 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15640 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15641 (EXECUTE_IF_CONFLICT): Likewise.
15642 (ALLOCNO_LIVE_P): Avoid signed division.
15643 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15644 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15645 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15647 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15649 * haifa-sched.c (schedule_block): Don't crash if there's no
15650 next insn for an interblock movement.
15651 (add_branch_dependences): Don't allow clobber insns to move either.
15653 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15655 * i386.c (split_xf): New.
15656 * i386-protos.h: Declare it.
15657 * i386.md (movxf_1): Add general regs alternatives.
15658 (movxf_1+1): New splitter for same.
15660 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15662 * function.c (purge_addressof_1): Add missing return values.
15664 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15666 * function.c (is_addressof): New function. Returns true if
15667 the given piece of RTL is an ADDRESSOF.
15668 (purge_addressof_1): Make boolean. Return false if the
15669 ADDRESSOFs could not be purged.
15670 (purge_addressof): If ADDRESSOFs could not be purged from the
15671 notes attached to an insn, remove the offending note(s),
15672 unless they are attached to a libcall.
15674 1999-11-05 Andreas Jaeger <aj@suse.de>
15676 * genoutput.c (null_operand =): Initialize all fields.
15678 * errors.h: Add extern to prototypes.
15680 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15682 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15683 * configure: Rebuilt.
15685 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15687 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15688 (mirror_conflicts): New function.
15689 (global_alloc): Call it.
15690 (expand_preferences): Remove redundant CONFLICTP test.
15691 (find_reg, dump_conflicts): Likewise.
15692 (prune_preferences): Process conflicts one word at a time.
15694 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15696 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15697 instead of an explicit loop.
15699 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15701 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15702 if REG_RETVAL check succeeds, then put classp in src_elt.
15704 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15706 * function.c (pad_to_arg_alignment): Only update argument_pad
15707 if the argument's alignment is greater than STACK_BOUNDARY.
15709 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15711 * bitmap.h (BITMAP_XFREE): New.
15712 * flow.c (life_analysis): Use it.
15713 (life_analysis_1): Free blocks.
15715 * combine.c (undo_commit): New.
15716 (try_combine): Use it. Don't zap undobuf.undos.
15717 (combine_instructions): Don't zap undobuf.undos; free the
15718 undobuf.frees list.
15720 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15722 * stmt.c (cost_table_): New.
15723 (estimate_case_costs): Use it instead of xmalloc.
15725 * toplev.c (compile_file): Reuse dumpname memory instead
15728 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15730 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15731 after verifying an EH edge.
15733 * haifa-sched.c (init_rgn_data_dependences): Correctly
15734 size bb_pending_lists_length when zeroing.
15736 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15738 * function.c (diddle_return_value): New.
15739 (expand_function_end): Use it.
15740 * stmt.c (expand_null_return): Likewise.
15741 (expand_value_return): Likewise.
15743 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15745 * reload1.c (reload): Don't remove return value clobbers.
15747 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15749 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15751 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15753 * cse.c (cse_main): Use xmalloc, not alloca.
15754 (cse_basic_block): Likewise.
15755 * local-alloc.c (local_alloc): Likewise.
15757 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15758 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15760 * rtl.c: Include toplev.h.
15761 (fatal): Remove declaration.
15763 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15765 * haifa-sched.c (schedule_block): Fix thinko.
15767 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15769 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15770 S_IR* defined values
15772 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15774 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15775 call `malloc' instead.
15777 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15779 * flags.h (flag_renumber_insns): Declare.
15780 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15782 * rtl.h (renumber_insns): Change prototype.
15783 * toplev.c (flag_renumber_insns): Define.
15784 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15786 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15788 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15789 and fpsqrtd. Use them and create fdiv function unit to more
15790 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15791 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15793 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15795 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15797 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15798 insn into ready list, do not use just a raw swap.
15800 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15802 * rtl.h (renumber_insns): New function.
15803 (remove_unnecessary_notes): Likewise.
15804 * emit-rtl.c (renumber_insns): Define.
15805 (remove_unncessary_notes): Likewise.
15806 * toplev.c (rest_of_compilation): Remove dead code.
15807 Use renumber_insns and remove_unncessary_notes.
15809 * gcse.c (struct null_pointer_info): New type.
15810 (get_bitmap_width): New function.
15811 (current_block): Remove.
15812 (nonnull_local): Likewise.
15813 (nonnull_killed): Likewise.
15814 (invalidate_nonnull_info): Take a null_pointer_info as input.
15815 (delete_null_pointer_checks_1): New function.
15816 (delete_null_pointer_checks): Use it.
15818 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15819 (split_edges): Likewise.
15820 (schedule_block): Likewise.
15821 (compute_block_backward_dependencies): Likewise.
15822 (schedule_region): Likewise.
15823 (schedule_insns): Likewise.
15825 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15827 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15828 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15829 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15830 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15831 * jump.c (delete_unreferenced_labels): Don't delete if
15832 LABEL_ALTERNATE_NAME is set.
15833 * print-rtl.c (print_rtx): Dump alternate name.
15834 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15835 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15836 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15837 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15839 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15841 * fix-header.c (recognized_extern, recognized_function): Constify
15844 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15845 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15846 (compute_available): Remove unused variable `last'.
15847 (compute_nearerout): Remove unused variable `temp_bitmap'.
15848 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15849 Remove unused variable `x'.
15851 * scan.h (recognized_function, recognized_extern): Constify a
15854 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15856 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15858 * varasm.c (decode_rtx_const): Use XSTR to access the string
15861 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15863 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15865 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15867 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15869 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15871 * pa.c (ireg_operand): New function.
15872 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15873 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15874 Fix out of date comment.
15876 * pa.md (negdi2): Turn into expander + anonymous pattern.
15878 * reload.c (find_reloads): Fix typos in recent change.
15880 * dwarf2out.c: Do not include ctype.h.
15882 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15884 * regclass.c (record_reg_classes): Always use may_move_cost when
15885 seeing how operand fits with various register classes.
15887 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15889 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15890 * toplev.c: Revert Nov 1 13:22 change.
15892 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15894 * config/pa/pa.md (height reduction patterns): Add checks for
15895 overlapping operands to avoid semantic-destroying splits for
15896 height reduction patterns.
15898 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15900 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15901 have been an hyphen, fixed.
15902 * configure: Rebuilt.
15904 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15906 * config/arm/tpe.h: Add prototypes for exported functions.
15907 * config/arm/pe.c: Fix compile time warnings.
15908 * config/arm/semi.h: Fix compile time warnings.
15909 * config/arm/arm.c: Fix compile time warnings.
15910 * config/arm/arm.h: Fix compile time warnings.
15911 * config/arm/arm.md: Fix compile time warnings.
15912 * config/arm/thumb.c: Fix compile time warnings.
15913 * config/arm/thumb.h: Fix compile time warnings.
15914 * config/arm/thumb.md: Fix compile time warnings.
15916 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15918 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15921 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15922 completely unrolled.
15924 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15926 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15928 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15930 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15931 * rtl.h (rtx_equal_p): Move prototype.
15932 * rtl.c (rtx_equal_function_value_matters): Move from
15934 (rtx_equal_p): Likewise.
15935 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15936 (rtx_equal_p): Likewise.
15938 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15940 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15941 ! HAS_INIT_SECTION.
15943 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15945 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15947 * pa.h (ADDR_VEC_ALIGN): Define.
15949 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15950 notes when presented with "if (foo) break; end_of_loop" and
15951 the break sequence gets moved out of the loop.
15953 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15954 Remove explicit zero initializations of entries within MAP.
15956 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15958 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15960 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15962 * bitmap.h (BITMAP_XMALLOC): New macro.
15963 * flow.c (CLEAN_ALLOCA): Remove.
15964 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15965 (life_analysis): Likewise.
15966 (update_life_info): Don't use CLEAN_ALLOCA.
15967 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15968 (calculate_global_regs_live): Likewise.
15969 (print_rtl_with_bb): Likewise.
15970 (verify_flow_info): Likewise.
15971 * global.c (global_alloc): Likewise.
15972 (global_conflicts): Likewise.
15973 * integrate.c (save_for_inline_nocopy): Likewise.
15974 (expand_inline_function): Likewise.
15975 * jump.c (jump_optimize_1): Likewise.
15976 (duplicate_loop_exit_test): Likewise.
15977 (thread_jumps): Likewise.
15978 * loop.c (loop_optimize): Likewise.
15979 (combine_givs): Likewise.
15980 (recombine_givs): Likewise.
15981 * reorg.c (dbr_schedule): Likewise.
15982 * unroll.c (unroll_loop): Likewise.
15984 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15986 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15988 * toplev.c (rest_of_compilation): Don't optimize the CFG
15989 when rebuilding, just before dbr.
15991 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15993 * output.h (assemble_end_function, assemble_destructor,
15994 assemble_constructor, assemble_gc_entry, assemble_global,
15995 assemble_label, output_constant_pool) Constify a char*.
15997 * varasm.c (assemble_destructor, assemble_constructor,
15998 assemble_gc_entry, assemble_end_function, assemble_global,
15999 assemble_label, output_constant_pool): Likewise.
16001 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
16003 * config/arm/thumb.c (thumb_expand_prologue): Add comments
16004 explaining what is goin on in this function.
16006 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16008 * regclass.c (record_reg_classes): In matching case, recompute
16009 costs since the direction of movement is different.
16011 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
16013 * resource.c (mark_target_live_regs): For unconditional branches,
16014 the resources found at the branch target should be added to the
16015 resources found so far, not intersected.
16017 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
16019 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
16021 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
16022 (sys/mman.h): Include this file only if #HAVE_MMAP.
16023 (run_compiles): Initialize `esac_fmt' with one old KR string, not
16024 with automatically concatenated ANSI strings.
16026 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
16028 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
16029 (DIV_ROUND_UP): Robustify.
16030 (ggc_recalculate_in_use_p): New function.
16031 (release_pages): Don't inline it.
16032 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
16034 (ggc_pop_context): Use ggc_recalculate_in_use_p.
16035 (clear_marks): Always save in_use_p.
16036 (sweep_pages): Use ggc_recalculate_in_use_p.
16037 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
16038 Release pages before counting statistics.
16040 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
16042 * toplev.c (rest_of_compilation): Fix thinko in this change:
16044 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16046 (rest_of_compilation): If inside an inlined external function,
16047 pretend we are just being declared.
16049 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
16051 * flow.c (calculate_global_regs_live): Fix thinko.
16053 * integrate.c (expand_inline_function): Fix bugs in previous
16054 change from Oct 28, 1999.
16056 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
16058 * stmt.c (expand_value_return): Fix typo in this change:
16060 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16061 (expand_value_return): Correctly convert VAL when promoting function
16062 return; support RETURN_REG being a PARALLEL.
16064 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
16066 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
16068 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16070 * hard-reg-set.h (reg_names): Constify a char*.
16072 * regclass.c (reg_names): Likewise.
16074 * regs.h (reg_names): Likewise
16076 * a29k/a29k.c (reg_names): Delete declaration.
16078 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
16080 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
16081 arc_output_function_epilogue): Likewise.
16083 * elxsi/elxsi.c (reg_names): Likewise.
16085 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
16087 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
16090 * m88k/m88k.c (output_function_profiler): Likewise.
16092 * sparc/sparc.c (sparc_flat_output_function_prologue,
16093 sparc_flat_output_function_epilogue): Likewise.
16095 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
16097 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
16098 warning from -Wuninitialized and put it under -W.
16099 * function.c (uninitialized_vars_warning): Warn only when the
16100 corresponding flag is set.
16102 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
16104 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
16105 is nonzero and the single set does not have an elt, then assign
16108 * simplify-rtx.c: New file.
16109 * Makefile.in (OBJS): Add simplify-rtx.o
16110 (simplify-rtx.o): Add dependencies.
16111 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
16112 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
16113 (cse_gen_binary, simplify_unary_operation): Delete.
16114 (simplify_binary_operation, simplify_plus_minus): Likewise.
16115 (check_fold_consts, simplify_relation_operation): Likewise.
16116 (simplify_ternary_operation): Likewise.
16117 (delete_trivially_dead_insns): Simplify the contents of the
16118 REG_EQUAL note before trying to substitute it into the source
16119 of the reg-reg copy at the end of a libcall sequence.
16121 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
16122 references/callers changed.
16124 * mn10200.c (mn10200_va_arg): Force the return value into a
16127 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
16129 * cccp.c (macroexpand): Avoid out of range accesses for omitted
16132 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
16134 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
16136 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
16138 * fold-const.c (fold): Fix thinko when optimizing comparisons
16141 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
16143 * gcc.texi (Passes): Update front-end files to their current
16146 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
16148 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
16149 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
16150 (PREDICATE_CODES): Add addition_operation.
16151 * alpha-protos.h (addition_operation): Declare.
16152 (secondary_reload_class): Likewise.
16153 * alpha.c (addition_operation): New.
16154 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
16155 * alpha.md (adddi3): Turn into expander.
16156 (*lda, *adddi_2): New.
16157 (movsf, movdf patterns): Don't preference integer regs.
16158 (movsi, movdi patterns): Don't preference fp regs.
16160 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
16162 * genrecog.c (write_switch): Check for duplicate CODE cases.
16164 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
16166 * ggc-common.c: Update pre-function commentary.
16167 * ggc-page.c: Likewise.
16169 (poison_pages): Use memset directly.
16170 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
16171 (ggc_collect): Poison before sweeping.
16172 * ggc-simple.c: Update pre-function commentary.
16173 (ggc_alloc_obj): Poison non-zeroed memory.
16175 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
16177 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
16178 match format string, even on 64-bit hosts.
16179 * gcc-page.c (ggc_page_print_statistics): Likewise.
16181 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
16183 * config/i386/i386.c (ix86_cpu): Revert last patch.
16184 * config/i386/i386.h (ix86_cpu): Ditto.
16186 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
16188 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
16189 TYPE_SIZE, convert type of result to sizetype.
16191 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
16193 * flow.c (count_or_remove_death_notes): Equate NULL with the
16196 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
16197 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
16200 * i386.c (pic_label_no): Delete.
16201 (ix86_attr_length_default): Don't use single_set to peek
16204 * recog.c (peephole2_optimize): Allow recog_next_insn to index
16205 the first insn after bb->end.
16206 * i386.md (push mem peeps): Scratch is live after evaluation
16208 (cmp mem peep): Similarly.
16210 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
16212 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
16213 * function.c (pad_to_arg_alignment): Add missing braces.
16215 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16217 * alpha/alpha-protos.h (literal_section): Add prototype.
16218 (alpha_need_linkage, alpha_start_function,alpha_end_function):
16221 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16223 (alpha_start_function, alpha_end_function, float_strings,
16224 alpha_need_linkage): Constify a char*
16226 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16228 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16230 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16232 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16234 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16236 * flow.c (debug_flow_info): Add prototype.
16238 * gcc.c (main): Likewise.
16240 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16243 * reload1.c (failed_reload, set_reload_reg): Likewise.
16245 * mips-tfile.c (main): Likewise.
16246 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16247 with ATTRIBUTE_NORETURN.
16249 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16251 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16252 DECL is not a memory ref.
16254 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16256 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16257 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16259 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16261 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16262 * config/mips/elf64.h: ditto.
16264 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16266 * expr.c (emit_push_insn): New argument alignment_pad.
16267 Update all callers. Adjust stack pointer based on alignment pad.
16268 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16269 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16270 (locate_and_pad_parm): New argument alignment_pad. Update all
16272 * expr.h (emit_push_insn): Update prototype.
16273 (locate_and_pad_parm): Update prototype.
16274 * calls.c (arg_data): Add new field alignment_pad.
16275 (initialize_argument_information): Initialize alignment_pad.
16277 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16279 * except.c (free_eh_nesting_info): Free the info itself.
16280 * function.c (free_after_compilation): Don't free NULL.
16281 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16282 (pre_edge_insert): Free inserted.
16283 * stmt.c (free_stmt_status): Don't free NULL.
16285 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16287 * gcov.c (DIR_SEPARATOR): Provide default.
16288 (output_data): Add test for MS-DOS format absolute filename.
16289 (fancy_abort): Correct program name.
16290 (open_files): Open all files in binary mode.
16291 * libgcc2.c (__bb_exit_func): Likewise.
16293 * profile.c (init_branch_prob): Specify binary when opening files.
16295 * flags.h (flag_unwind_tables): New decl.
16296 * toplev.c (flag_unwind_table): New definition.
16297 (f_options): Add -funwind-tables.
16298 (decode_g_option): Clarify warning when unknown -g option is given.
16299 (rest_of_compilation): If inside an inlined external function,
16300 pretend we are just being declared.
16302 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16303 (dwarf2out_frame_finish): Likewise.
16305 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16307 * fold-const.c (merge_ranges): If not in0, but in1, handle
16308 upper bounds equal like subset case.
16310 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16312 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16313 passed in a register but moved to the stack.
16315 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16317 * gcc.c (pass_exit_codes, greatest_status): New variables.
16318 (struct option_map): Add entry for "--pass-exit-codes".
16319 (execute): Update greatest_status if error.
16320 (display_help): Add documentation for -pass-exit-codes.
16321 (process_command): Handle -pass-exit-codes.
16322 (main): Look at pass_exit_codes and greatest_status on call to exit.
16324 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16326 * reload.c (find_reloads): Refine test for no input reload
16327 case to not includes reloads emitted after insn.
16329 * function.c (find_temp_slots_from_address): Handle sum involving
16330 a register that points to a temp slot.
16331 (update_temp_slot_address): Make recursive call if both old and
16332 new are PLUS with a common operand.
16333 * calls.c (expand_call): Mark temp slot for result as having
16336 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16338 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16339 component as well as "BINUTILS".
16341 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16342 * integrate.c (copy_rtx_and_substitute): Likewise.
16343 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16344 All callers changed.
16345 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16347 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16348 gdb extensions, write size of type; also be more consistent
16349 in using references when this is a subtype.
16351 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16352 that is out of range.
16354 * loop.c (unknown_constant_address_altered): New variable.
16355 (prescan_loop): Initialize it.
16356 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16357 (invariant_p, case MEM): Remove handling for volatile and readonly;
16358 check new variable if readonly.
16359 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16361 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16362 (addr_affects_sp_p): Removed from note_mem_written and only
16363 define #ifdef AUTO_INC_DEC.
16365 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16367 * regclass.c (record_reg_classes): Properly handle register move
16370 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16371 Don't think valid if both operands are invalid.
16372 (struct constant_descriptor): New field RTL.
16373 (mark_const_hash_entry): Mark it.
16374 (record_constant{,_rtx}): Initialize it.
16375 (output_constant_def): Allocate RTL in permanent obstack and
16377 ({record,compare}_constant_1): Modes must match for
16378 CONSTRUCTOR of ARRAY_TYPE.
16380 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16381 * output.h (initializer_constant_valid_p): Move decl to here.
16382 * c-common.c (initializer_constant_valid_p): Delete function from here.
16383 * varasm.c (initializer_constant_valid_p): Move function to here.
16385 * tree.h (STRIP_SIGN_NOPS): New macro.
16386 * fold-const.c (optimize_minmax_comparison): New function.
16387 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16388 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16389 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16390 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16391 widening conversions.
16392 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16393 to look at size of mode, not precision of type; also add missing cases.
16394 (optimize_bit_field_compare, decode_field_reference): Don't try to
16395 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16397 * dwarf2out.c (ctype.h): Include.
16398 (dwarf2out_set_demangle_name_func): New function.
16399 (size_of_line_info): Deleted.
16400 (output_line_info): Compute size of line info table from difference
16402 (base_type_die, add_name_attribute): Call demangle function, if any.
16403 (field_byte_offset): Use bits per word for variable length fields.
16404 (gen_array_type_die): Add array name.
16405 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16406 (dwarf2out_add_library_unit_info): New function.
16408 * explow.c (set_stack_check_libfunc): New function.
16409 (stack_check_libfunc): New static variable.
16410 (probe_stack_range): Allow front-end to set up a libfunc to call.
16412 * combine.c (simplify_comparison): When making comparison in wider
16413 mode, check for having commuted an AND and a SUBREG.
16414 (contains_muldiv): New function.
16415 (try_combine): Call it when dividing a PARALLEL.
16416 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16417 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16419 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16420 use one of the CLOBBERs instead.
16421 (if_then_else_cond): If comparing against zero, just return thing
16424 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16425 Don't generate shifts and subtract if have conditional arithmetic.
16427 * rtl.h (delete_barrier): New declaration.
16428 * jump.c (jump_optimize): Set up to handle conditional call.
16429 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16430 (delete_barrier): New function.
16432 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16434 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16436 * tree.c (build_type_attribute_variant): Push to obstack of
16437 ttype around type_hash_canon call.
16439 * expr.c (placeholder_list): Move decl to file scope.
16440 (expand_expr): Don't force access to volatile just because its
16442 If ignoring reference operations, just expand the operands.
16443 (expand_expr, case COMPONENT_REF): Propagate
16444 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16445 Refine test for using bitfield operations vs pointer punning.
16446 (expand_expr, case CONVERT_EXPR): If converting to
16447 BLKmode UNION_TYPE from BLKmode, just return inner object.
16448 Use proper mode in store_field call.
16449 Properly set sizes of object to store and total size in store_field
16450 call for convert to union.
16451 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16452 memory (like for ADDR_EXPR). Also, don't put constant in register if
16453 we'll want it in memory.
16454 (readonly_fields_p): New function.
16455 (expand_expr, case INDIRECT_REF): Call it if LHS.
16456 (expand_assignment): Handle a RESULT_DECL where
16457 DECL_RTL is a PARALLEL.
16458 (do_jump, case WITH_RECORD_EXPR): New case.
16459 (get_inner_reference): Always go inside a CONVERT_EXPR
16460 and NOP_EXPR if both modes are the same.
16461 (store_field): Use bitfield operations if size of bitsize is not same
16462 as size of RHS's type.
16463 Check for bitpos not a multiple of alignment in BLKmode case.
16464 Do block move in largest possible alignment.
16465 (store_constructor): Set BITSIZE to -1 for variable size and properly
16466 in case of array of BLKmode.
16467 (expand_expr_unaligned): New function.
16468 (do_compare_and_jump): Call it.
16470 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16471 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16472 does not include 'o'.
16474 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16475 both SET_DEST and SET_SRC reference a virtual register.
16476 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16478 * integrate.c (expand_inline_function): Handle case of setting
16479 virtual stack vars register (from built in setjmp); when parameter
16480 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16481 (subst_constant): Add new parm, MEMONLY.
16482 (expand_inline_function, integrate_parm_decls): Pass new parm.
16483 (integrate_decl_tree): Likewise.
16484 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16485 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16486 (copy_rtx_and_substitute, case SET): Add explicit calls to
16487 copy_rtx_and_substitute for both sides.
16489 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16491 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16492 within INDEX_TYPE, instead of before.
16493 (fixup_gotos): Use f->target_rtl, not the next insn,
16494 since latter may be from a later fixup.
16495 (expand_value_return): Correctly convert VAL when promoting function
16496 return; support RETURN_REG being a PARALLEL.
16497 (expand_return): When checking for result in regs and having
16498 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16500 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16502 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16503 last_nominal_fname): Mark const.
16504 (struct include_hash: name, nshort, control_macro): Mark
16506 (struct macrodef: symnam): Mark const.
16507 (struct if_stack: fname): Mark const.
16508 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16509 (IStable): New character-syntax array which encompasses all
16510 the old is_foo arrays.
16511 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16512 is_space): New macros for interrogating IStable.
16513 (check_macro_name): Kill last argument. All callers changed.
16515 * cppinit.c (initialize_char_syntax): Delete.
16516 (is_idchar, is_idstart, is_hor_space, is_space,
16517 trigraph_table): Delete.
16518 (IStable): New. Initialize with clever macros to avoid
16519 information duplication.
16520 (builtin_array): Table of builtins to get rid of explicit list
16521 in initialize_builtins.
16522 (initialize_builtins): Use builtins_array.
16523 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16524 opts->dollars_in_ident.
16526 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16528 (cpp_parse_expr): Avoid 'format string is not constant'
16529 warning. Use ISGRAPH to identify printable chars.
16530 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16532 (read_and_prescan): Map trigraphs to chars with open-coded
16533 if-else-if-... sequence, not a lookup table.
16534 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16536 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16537 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16538 (check_macro_name): Remove ability to report an invalid
16539 assertion name, which is never used.
16540 (do_line): Constify a couple of char *'s.
16541 * cppmain.c (main): Call cpp_cleanup before returning.
16543 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16545 * ggc.h (struct ggc_statistics): New type.
16546 (ggc_get_size): New function.
16547 (ggc_print_statistics): Likewise.
16548 * ggc-common.c (ggc_stats): New variable.
16549 (ggc_mark_rtx_children): Keep statistics.
16550 (ggc_mark_tree_children): Likewise.
16551 (ggc_print_statistics): New function.
16552 * ggc-page.c (struct globals): Add bytes_mapped field.
16553 (alloc_anon): Update it.
16554 (release_pages): Likewise.
16555 (ggc_get_size): New function.
16556 (ggc_page_print_statistics): New function.
16557 * ggc-simple.c (ggc_get_size): New function.
16559 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16561 * flow.c (propagate_block): When the last reference to a label
16562 before an ADDR_VEC is deleted because the reference is a dead
16563 store, delete the ADDR_VEC.
16565 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16567 * resource.c (find_free_register): Don't use the frame pointer
16568 if frame_pointer_needed.
16570 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16572 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16573 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16575 * config/i960/i960.c (i960_va_start): New locals base, num.
16576 Use INDIRECT_REF instead of ARRAY_REF on valist.
16577 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16579 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16581 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16583 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16585 * tree.def (PLACEHOLDER_EXPR): Update comments.
16587 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16589 * c-common.c (check_format_info): Avoid non-literal format string
16590 warnings when `first_arg_num' is zero.
16592 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16594 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16596 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16598 * arm.md (casesi_insn): Add a clobber of the condition code
16601 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16603 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16604 used by both cc1 and cc1plus.
16606 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16608 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16609 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16610 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16611 to the value 32 if it has not already been defined.
16612 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16613 Override definition in arm.h with a value of 8.
16615 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16617 * c-pragma.c (push_alignment): Don't check the return value
16620 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16622 * sparc.h (ADJUST_COST): Fix thinko.
16624 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16626 * cccp.c (rescan): Fixed obp pointer handling around call to
16627 check_expand subroutine.
16629 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16631 * gcse.c (delete_null_pointer_checks): Only record non-null info
16632 for pseudos when examining stores.
16634 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16635 splitters for these patterns. Use "#" for output templates.
16636 (addsi3_carryin_shift): New pattern.
16638 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16640 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16641 of the function return register into a plain REG until
16642 after function inlining is done.
16644 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16646 * jump.c (jump_optimize_1): If we did cross-jumping, and
16647 the data will matter, rebuild the CFG.
16648 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16649 not optimizing. Don't run shorten_branches.
16650 * toplev.c (rest_of_compilation): Run shorten_branches after
16653 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16655 * rtl.h (note_stores): Add additional paramter.
16656 * rtlanal.c (reg_set_p_1): Take additional paramter.
16657 (reg_set_last_1): Likewise.
16658 (reg_set_p): Adjust call to note_stores.
16659 (reg_set_last): Likewise.
16660 (note_stores): Pass data parameter to worker function.
16661 * alias.c (record_set): Take additional parameter.
16662 (init_alias_analysis): Pass it.
16663 * caller-save.c (mark_set_regs): Take additional parameter.
16664 (save_call_clobbered_regs): Pass NULL to note_stores.
16665 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16667 (record_dead_and_set_regs_1): Likewise.
16668 (reg_dead_at_p_1): Likewise.
16669 (combine_instructions): Adjust calls to note_stores.
16670 (try_combine): Likewise.
16671 (record_dead_insn): Remove.
16672 (record_dead_and_set_regs): Adjust calls to note_stores.
16673 (reg_dead_at_p): Likewise.
16674 * cse.c (invalidate_skipped_set): Take additional parameter.
16675 (cse_check_loop_start): Likewise.
16676 (cse_check_loop_start_value): Remove.
16677 (cse_set_around_loop): Adjust calls to note_stores.
16678 * flow.c (notice_stack_pointer_modification): Take additional
16679 parameter. Remove duplicate declaration.
16680 (record_volatile_insns): Adjust calls to note_stores.
16681 * gcse.c (record_set_info): Take additional parameter.
16682 (record_last_set_info): Likewise.
16683 (invalidate_nonnull_info): Likewise.
16684 (record_set_insn): Remove.
16685 (compute_sets): Adjust calls to note_stores.
16686 (last_set_insn): Remove.
16687 (compute_hash_table): Adjust calls to note_stores.
16688 (insert_insn_end_bb): Likewise.
16689 (delete_null_pointer_checks): Likewise.
16690 * global.c (mark_reg_store): Take additional parameter.
16691 (mark_reg_clobber): Likewise.
16692 (reg_becomes_live): Likewise.
16693 (global_conflicts): Adjust calls to note_stores.
16694 (build_insn_chain): Likewise.
16695 * integrate.c (note_modified_parmregs): Take additional parameter.
16696 (mark_stores): Likewise. Make it static.
16697 (save_for_inline_nocopy): Adjust calls to note_stores.
16698 (try_constants): Likewise.
16699 * integrate.h (mark_stores): Remove declaration.
16700 * jump.c (mark_modified_reg): Take additional parameter.
16701 (thread_jumps): Adjust calls to note_stores.
16702 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16704 (no_equiv): Likewise.
16705 (reg_is_set): Likewise.
16706 (validate_equiv_mem): Adjust calls to note_stores.
16707 (update_equiv_regs): Likewise.
16708 (block_alloc): Likewise.
16709 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16710 (note_addr_stored): Take additional parameter.
16711 (note_set_pseudo_multiple_uses): Likewise.
16712 (record_initial): Likewise.
16713 (prescan_loop): Adjust calls to note_stores.
16714 (strength_reduce): Likewise.
16715 (check_dbra_loop): Likewise.
16716 * regmove.c (flags_set_1): Take additional paramter.
16717 (mark_flags_life_zones): Adjust calls to note_stores.
16718 * reload1.c (mark_not_eliminable): Take additional parameter.
16719 (forget_old_reloads_1): Likewise.
16720 (reload_cse_invalidate_rtx): Likewise.
16721 (reload_cse_check_clobber): Likewise.
16722 (reload_combine_note_store): Likewise.
16723 (move2add_note_store): Likewise.
16724 (reload): Adjust calls to note_stores.
16725 (reload_as_needed): Likewise.
16726 (emit_reload_insns): Likewise.
16727 (reload_cse_regs_1): Likewise.
16728 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16729 (reload_combine): Adjust calls to note_stores.
16730 * resource.c (update_live_status): Take additional paramter.
16731 (mark_target_live_regs): Adjust calls to note_stores.
16732 * stupid.c (find_clobbered_regs): Take additional parameter.
16733 (stupid_life_analysis): Adjust calls to note_stores.
16735 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16737 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16740 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16743 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16744 of the variable arm_structure_size_boundary.
16746 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16748 * alias.c (init_alias_analysis): Allocate reg_known_value and
16749 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16751 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16752 * cse.c (cse_main): Call end_alias_analysis.
16753 * haifa-sched.c (schedule_insns): Likewise.
16754 * local-alloc. (update_equiv_regs): Likewise.
16755 * reload1.c (reload_cse_regs): Likewise.
16757 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16759 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16760 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16761 mapping from MASK_FPU.
16763 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16765 * sparc.md (call): Don't bound structure return size to 0xfff.
16767 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16769 * resource.c (mark_target_live_regs): Check that the target
16770 insn wasn't created after compute_bb_for_insn.
16772 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16774 * ggc-page.c (poison_pages): Don't be overzealous.
16776 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16778 * alias.c: Update comments for ADDRESS.
16779 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16780 it is a local memory reference.
16782 * c-typeck.c (build_function_call): Check that the built-in
16783 function is of class BUILT_IN_NORMAL before trying to recongize
16784 it as BUILT_IN_ABS.
16785 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16786 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16788 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16790 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16792 (pre_gcse): Likewise.
16793 (hoist_expr_reaches_here_p): Likewise.
16794 (hoist_code): Likewise.
16795 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16797 (pre_expr_reaches_here_p_work): ... here.
16798 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16800 (expr_reaches_here_p_work): ... here.
16802 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16804 * resource.c (find_basic_block): Delete.
16805 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16806 (init_resource_info): Call compute_bb_for_insn.
16808 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16810 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16811 with already adjacent blocks, but no fallthru.
16812 (merge_blocks_move_successor_nojumps): Simplify.
16813 (debug_flow_info): New.
16815 * toplev.c (rest_of_compilation): Open jump1 dump file before
16816 jump and close after, as opposed to just using dump_rtl.
16818 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16820 * reload.h (earlyclobber_operand_p): Declare.
16821 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16822 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16823 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16824 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16826 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16827 Richard Henderson <rth@cygnus.com>
16829 * emit-rtl.c (emit_block_insn_before): New.
16830 (emit_block_insn_after): New.
16831 * basic-block.h: Declare them.
16833 * bitmap.h: Protect from multiple inclusion.
16835 * recog.c (scratch_operand): Handle VOIDmode correctly.
16837 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16839 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16840 * function.c (assign_parms): Likewise.
16841 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16843 * reg-stack.c (max_uid): Remove.
16844 (blocks, block_begin, block_end, block_drops_in): Remove.
16845 (block_stack_in, block_out_reg_set, block_number): Remove.
16846 (struct block_info_def, BLOCK_INFO): New.
16847 (enum emit_where): New.
16848 (current_block): New.
16849 (BLOCK_NUM): Remove.
16850 (mark_regs_pat, record_label_references): Remove.
16851 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16853 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16854 (reg_to_stack): Simplified test for existance of fp code. Use
16855 flow.c code. Call shorten_branches after cross-jump opt.
16856 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16857 Return false if the asm doesn't use stack regs. Don't do life
16858 analysis on the asm.
16859 (emit_pop_insn): Replace function pointer arg `when' with
16860 enum `where'. Update all callers.
16861 (change_stack): Likewise. Update basic block end.
16862 (emit_swap_insn): Use current_block->head to limit reverse search
16863 for start of block. Use emit_block_insn_after.
16864 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16865 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16866 structure assignment instead of bcopy.
16867 (print_stack): New.
16868 (convert_regs_entry, convert_regs_exit): New.
16869 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16870 Work on basic blocks and the CFG.
16871 (convert_regs): Use them.
16873 * i386.c (output_fix_trunc): Remove code for DImode input operand
16874 not at top-of-stack.
16875 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16877 (fix_truncdi_1): Allow any mode scratch.
16879 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16881 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16882 * linux.h, netbsd.h, vms.h: Not here.
16884 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16886 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16887 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16888 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16889 CONDITIONAL_REGISTER_USEAGE): Use them.
16890 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16891 gen_conditional_branch,override_options) : Use them.
16892 * config/mips/mips.md : Use them.
16894 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16896 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16898 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16900 * integrate.c (function_cannot_inline_p): Don't allow inlining
16903 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16905 * c-parse.in (cast_expr): Constify.
16907 * cccp.c (special_symbol): Likewise.
16909 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16911 * dwarf2out.c (base_type_die): Likewise.
16913 * global.c (allocno_compare): Likewise.
16915 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16917 * regclass.c (fix_register): Likewise.
16919 * rtl.h (fix_register): Likewise.
16921 * stupid.c (stupid_reg_compare): Likewise.
16923 * toplev.c (decode_f_option): Likewise.
16925 * tree.c (build_complex_type): Likewise.
16927 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16929 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16931 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16933 * reload.c (find_reloads): Compute mode and nregs fields of all
16935 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16936 (calculate_needs): Use precomputed mode/nregs values.
16937 (allocate_reload_reg): Likewise.
16939 (failed_reload, set_reload_reg): ... new functions.
16940 (choose_reload_regs_init): New function, mostly broken out from...
16941 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16942 Also lose one #if 0 block.
16944 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16946 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16949 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16951 * tree.h (BLOCK_TYPE_TAGS): Remove.
16952 (BLOCK_END_NOTE): Likewise.
16953 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16954 (BLOCK_LIVE_RANGE_START): Likewise.
16955 (BLOCK_LIVE_RANGE_END): Likewise.
16956 (tree_block): Remove live_range_flag, live_range_var_flag, and
16957 type_tags. Remove end_note, live_range_start, and live_range_end.
16958 (remember_end_note): Remove prototype.
16959 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16960 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16962 * ggc-common.c (ggc_mark_tree_children): Don't mark
16963 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16964 * integrate.c (adjust_copied_decl_tree): Remove.
16965 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16966 * stmt.c (last_block_end_note): Remove.
16967 (init_stmt): Don't add a GC root for it.
16968 (expand_fixup): Don't set it.
16969 (remember_end_note): Remove.
16970 (expand_end_bindings): Don't set last_block_end_note.
16972 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16974 * reload1.c (reload_reg_free_for_value_p): Show
16975 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16978 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16980 * expmed.c (extract_bit_field): Allow for the case of non-integer
16981 objects that are smaller than a word (like SFmode on a 64-bit
16984 * loop.c (basic_induction_var): A non-integer variable which is
16985 being set by a paradoxical subreg is probably not a biv.
16987 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16989 * prefix.c (translate_name) Check for empty prefix string.
16991 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16993 * Makefile.in (CPP_CROSS_NAME): New variable.
16994 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16996 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16997 names of the files to be uninstalled.
16999 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
17001 * collect2.c (IS_DIR_SEPARATOR): Define.
17002 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
17004 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
17007 * haifa-sched.c (add_dependence): Update the true dependency
17008 cache the first time we add a true dependence to the LOG_LINKS chain.
17010 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
17012 * fold-const.c (fold): Fix comment.
17014 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17016 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
17017 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
17018 dbxout_start_new_source_file, dbxout_source_file,
17019 dbxout_source_line, dbxout_finish, dbxout_type_fields,
17020 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
17022 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
17023 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
17024 (dbxout_block): Initialize variable `blocknum'.
17026 * dbxout.h (dbxout_init, dbxout_finish,
17027 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
17028 dbxout_args, dbxout_source_line): Constify a char*.
17030 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
17031 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
17032 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
17033 low_pc_attribute, high_pc_attribute, body_begin_attribute,
17034 body_end_attribute, comp_dir_attribute, sf_names_attribute,
17035 src_info_attribute, mac_info_attribute, producer_attribute,
17036 lookup_filename, generate_macinfo_entry, fundamental_type_code,
17037 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
17038 dwarfout_undef): Constify a char*.
17039 (add_incomplete_type, retry_incomplete_types): Add prototypes.
17041 * dwarfout.h (dwarfout_define, dwarfout_undef,
17042 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
17044 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
17046 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
17047 (MULTILIB_ISA_DEFAULT): New.
17048 (MULTILIB_DEFAULTS): Use it.
17049 * config/mips/mips.c (): Remove the now unnecessary definition
17050 of MIPS_ISA_DEFAULT.
17051 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
17052 unnecessary definition.
17054 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
17056 * arm.md (pic_load_addr): Add constraints to operand 1.
17058 1999-10-25 Bruce Korb <autogen@linuxbox.com>
17060 * fixinc/genfixes: Provide a means for specifying -D options to
17063 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
17065 * arm.c (arm_override_options): Correct initialization of
17066 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
17067 arm_is_strong, and arm_is_6_or_7.
17069 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
17070 (note_set_pseudo_multiple_uses): New function.
17071 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
17072 if a pseudo set in the loop exit is used elsewhere.
17074 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
17076 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
17078 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
17080 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
17081 a single load-address pattern.
17083 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
17085 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
17086 depending on whether or not line-number notes are present.
17088 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17090 * cccp.c (progname, file_buf, default_include, include_file,
17091 macrodef, definition, hashval, wchar_type, user_label_prefix,
17092 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
17093 expand_to_temp_buffer, is_system_include, base_name,
17094 absolute_filename, read_name_map, open_include_file,
17095 record_control_macro, check_precompiled, check_preconditions,
17096 pcfinclude, pass_thru_directive, create_definition,
17097 check_macro_name, comp_def_part, collect_expansion,
17098 check_assertion, read_token_list, assertion_install,
17099 assertion_lookup, eval_if_expression, conditional_skip,
17100 validate_else, skip_quoted_string, quote_string, macarg1,
17101 error_from_errno, install, lookup, hashf, dump_defn_1,
17102 perror_with_name, pfatal_with_name, main, trigraph_pcp,
17103 check_white_space, rescan, handle_directive, monthnames,
17104 special_symbol, do_include, remap_include_file, write_output,
17105 arglist, do_assert, do_unassert, do_line, do_error, do_once,
17106 do_ident, do_sccs, do_xifdef, skip_if_group,
17107 output_line_directive, macroexpand, macarg, change_newlines,
17108 initialize_builtins, make_definition): Constify a char*.
17110 * pcp.h (stringdef): Likewise.
17112 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
17114 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
17117 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
17118 Richard Henderson <rth@cygnus.com>
17120 * alias.c: Include ggc.h.
17121 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
17122 (record_set): Verify enough room in reg_base_value.
17123 (init_alias_analysis): Allocate reg_base_value with xcalloc.
17124 Register it as a GC root.
17125 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
17126 * Makefile.in (alias.o): Depend on ggc.h.
17128 * unroll.c (unroll_loop): Verify the insn before a barrier
17129 is a JUMP_INSN before checking JUMP_LABEL.
17131 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17133 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
17134 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
17135 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
17136 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
17137 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
17138 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
17140 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17142 * output.h (ctors_section, dtors_section, bss_section): Prototype.
17144 * alpha/alpha-interix.h (text_section): Delete prototype.
17145 * alpha/elf.h (text_section): Likewise.
17146 * arm/linux-elf.h (text_section): Likewise.
17147 * arm/linux-telf.h (text_section): Likewise.
17148 * c4x/c4x.h (text_section): Likewise.
17149 * dsp16xx/dsp16xx.h (bss_section): Likewise.
17150 * elfos.h (text_section): Likewise.
17151 * i386/aix386ng.h (text_section): Likewise.
17152 * i386/i386-interix.h (text_section): Likewise.
17153 * i386/sco5.h (text_section): Likewise.
17154 * i386/svr3gas.h (text_section): Likewise.
17155 * nextstep.h (text_section): Likewise.
17156 * psos.h (text_section): Likewise.
17157 * ptx4.h (text_section): Likewise.
17158 * svr3.h (text_section): Likewise.
17159 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
17161 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17163 * final.c (peephole): Delete prototype.
17165 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
17166 (pre_insert_copies): Remove unused variable `bb'.
17168 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
17171 * output.h (peephole): Add prototype.
17173 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
17175 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
17178 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
17180 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
17181 for inlined declarations.
17183 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
17185 * arm.c (logical_binary_operator): New fucntion.
17186 * arm.h (logical_binary_operator): Declare it.
17187 (PREDICATE_CODES): Handle logical_binary_operator.
17188 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
17189 output constraints. Add appropriate splitters.
17190 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
17191 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
17192 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
17194 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17196 * genoutput.c (struct operand_data): New elt eliminable.
17197 (output_operand_data): Write it.
17198 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
17199 (compare_operands): Take it into account.
17200 * recog.h (struct insn_operand_data): New elt eliminable.
17201 * reload1.c (check_eliminable_occurrences, elimination_effects): New
17203 (old_asm_operands_vec, new_asm_operands_vec): Delete.
17204 (eliminate_regs): Move code that detects changes to elimination
17205 target regs into new function elimination_effects.
17206 Delete one #if 0 block.
17207 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
17208 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
17209 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
17210 Only call eliminate_regs for real operands of the insn, not for parts
17211 of its structure or parts matched by things like match_operator.
17212 Use elimination_effects and check_eliminable_occurrences. Use
17213 copy_insn to duplicate the pattern when not in the final pass.
17215 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
17217 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
17220 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17222 * fixinc/README: document the "mach" machine matching test
17223 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17224 * fixinc/fixtests.c: Implement the #else/#endif label test
17225 * fixinc/inclhack.def: utilize these tests and fixes
17226 * fixinc/inclhack.sh: regen
17227 * fixinc/fixincl.x: regen
17228 * fixinc/fixincl.sh: regen
17230 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17232 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17235 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17237 * gcc.1: Document exit codes.
17239 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17241 * calls.c: Include tm_p.h later, so everything we need is defined.
17242 * expr.c: Likewise.
17243 * function.c: Likewise.
17245 * except.c: Include tm_p.h.
17247 * sparc.c: Likewise.
17248 (dwarf2out_cfi_label): Don't prototype.
17249 (check_return_regs, epilogue_renumber,
17250 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17251 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17252 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17253 ultra_schedule_insn): Add static prototype.
17254 (data_segment_operand, text_segment_operand): Call itself with the
17255 proper number of arguments.
17256 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17258 * sparc.h: Move all declarations to sparc-protos.h.
17259 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17262 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17264 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17266 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17267 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17268 ASM_OUTPUT_ASCII): Constify a char*.
17270 * sparc-protos.h: New file for sparc prototypes.
17272 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17274 * function.c (record_insns, contains): Always declare and define.
17275 (record_insns): Mark with ATTRIBUTE_UNUSED.
17277 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17279 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17280 to .section when outputting a .bss section to deal with multiple
17281 .bss input sections (as happens with -fdata-sections)
17282 Also output %progbits, not @progbits so the assembler doesn't treat as
17284 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17286 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17287 thumb parts even when building with non-thumb CPUs, by forcing
17290 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17292 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17293 (movdf_const_intreg_sp64): Similarly.
17295 * local-alloc.c (update_equiv_regs): Check the correct insn
17296 for pre-existing REG_EQUIV notes.
17298 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17300 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17301 block reached by a branch if we're not going to actually process
17304 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17306 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17307 a local extern function declaration.
17309 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17311 * i386.c (ix86_expand_prologue): Properly wrap USE around
17312 reg for CALL_INSN_FUNCTION_USAGE.
17314 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17316 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17317 move between GP_REGs.
17319 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17321 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17322 the mode size when finding out if an offset is legal.
17324 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17326 * basic-block.h (PROP_*): Move constants from ...
17327 * flow.c: ... here.
17328 (compute_bb_for_insn): Free the array before reallocating.
17329 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17330 (allocate_reg_life_data): Reset all reg variables collected by
17332 (get_block_head_tail): Don't convert from bb to block.
17333 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17334 (find_insn_reg_weight): Take block not bb.
17335 (schedule_block): Don't set block num for moved insns.
17336 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17337 (schedule_insns): Do it here instead.
17338 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17339 before update_life_info.
17340 * recog.c (split_all_insns, peephole2_optimize): Update for
17341 new arg to update_life_info.
17342 * rtlanal.c (remove_note): Cope with NULL note.
17343 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17346 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17348 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17350 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17351 block records so that merge_blocks_nomove will clean up correctly.
17352 (split_edge): Handle casesi insns.
17354 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17356 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17358 * pa.md (call, call_value): Do not emit a blockage after restoring
17361 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17363 * c-typeck.c (c_expand_asm_operands): Fix typo.
17365 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17367 * arm.c (fpu_rhs_operand): Verify modes.
17368 (fpu_add_operand): Likewise.
17369 (di_operand): Likewise.
17370 (soft_df_operand): Likewise.
17372 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17374 * arm.c (arm_return_in_memory): APCS rules state that the elements
17375 of a structure returned in a register must be 'integer-like'.
17377 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17379 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17380 in the source tree when the generated targets are out of date
17381 * fixinc/genfixes: Alter it to run individual fixes for make.
17382 * fixinc/README: rewrite
17383 * fixinc/inclhack.def: moved initial comments to README
17385 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17387 * toplev.c (main): Do not generate an error message if an
17388 unrecognised command line switch is recognisable by another
17389 language. If extra_warnings are enabled, then generate a
17390 warning message instead.
17392 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17394 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17395 (insert_pack_attributes): Delete prototype.
17397 * c-pragma.c (default_alignment): New static variable.
17398 (push_alignment): Initialize to current effective alignment.
17399 (pop_alignment): Use to set new alignment.
17400 (insert_pack_attributes): Delete function.
17401 (handle_pragma_token): Set default_alignment as well each time
17402 a #pragma pack(<n>) is encountered.
17404 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17406 * reg-stack.c (stack_result): Aggregates are not returned in
17409 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17411 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17413 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17415 * basic-block.h (set_block_num): Declare.
17416 * flow.c (update_life_info): Don't call compute_bb_for_insn
17417 or free_basic_block_vars.
17418 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17419 (insn_orig_block): Remove.
17420 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17421 (schedule_block): Keep BLOCK_NUM up-to-date.
17422 (schedule_insns): Use compute_bb_for_insn.
17423 * recog.c (split_all_insns): Likewise.
17424 (peephole2_optimize): Likewise.
17426 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17428 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17429 if the pic register is used.
17431 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17433 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17434 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17435 if that tests TREE_PERMANENT.
17437 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17439 * cse.c (invalidate_for_call): Do not remove memory references from
17440 the table here. It's handled elsewhere.
17442 * haifa-sched.c (add_dependence): Protect references to the
17443 true dependency cache with #ifdef INSN_SCHEDULING.
17444 (remove_dependence): Similarly.
17446 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17447 to the cfg code that this is a return instruction.
17448 * mn10300.md (return_internal): Similarly.
17450 * combine.c (get_last_value): If the last set of a register
17451 is after subst_low_cuid, then we can not use it to determine
17452 the register's last value.
17454 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17456 * Makefile.in: Back out previous change.
17458 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17460 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17462 * haifa-sched.c (add_dependence): Only check/update the cache
17464 (remove_dependence): Likewise.
17465 (schedule_insns): Only create the true_dependency_cache if the
17466 average number of instructions in a basic block is very large.
17468 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17470 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17471 (ggc-simple.o): Likewise.
17472 (ggc-page.o): Likewise.
17474 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17476 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17477 Prototype for exported functions.
17478 (pre_lcm, pre_rev_lcm): Remove prototypes.
17479 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17480 (compute_available): Move to lcm.c, and change parameter order.
17481 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17482 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17483 (gcse_main): No longer call compute_preds_succs. Rebuild the
17484 set table after reach pre pass.
17485 (pre_insert_map, pre_delete_map, edge_list): New.
17486 (alloc_pre_mem): Allocate edge vectors.
17487 (free_pre_mem): Delete edge vectors.
17488 (compute_pre_data): Call new edge based lcm routines.
17489 (process_insert_insn): New function.
17490 (insert_insn_end_bb): Use it.
17491 (pre_edge_insert): New function.
17492 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17494 (pre_insert_copies): Revamp using new edge based lcm outputs.
17495 (pre_delete): Likewise.
17496 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17498 (compute_code_hoist_vbeinout): New new edge based routines.
17499 * lcm.c: Remove all the old LCM functions. Replace with new ones
17500 that work with the new cfg datastructures and work with edges
17503 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17505 * reload.h (struct reload): Add new fields "mode" and "nregs".
17506 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17507 to reference the "mode" and "nregs" field within struct reload.
17509 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17511 * haifa-sched.c (true_dependency_cache): New.
17512 (add_dependence): Use the true dependency cache to avoid expensive
17513 walks down the LOG_LINKS dependency list. Add entries to the
17514 cache as necessary.
17515 (remove_dependence): Remove entries from the true dependency cache
17517 (schedule_insns): Allocate and initialize and free the true
17520 * haifa-sched.c (schedule_insns): Do not remove inter-block
17521 dependencies anymore.
17523 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17525 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17526 * i386/t-winnt: Likewise.
17528 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17530 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17532 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17534 * Makefile.in (LANGUAGES): Omit "proto".
17535 (clean): Remove stale comment about removing unprotoize.c.
17537 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17539 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17540 using arithmetic on void pointers.
17542 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17544 * haifa-sched.c (compute_block_forward_dependencies): Only check
17545 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17547 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17549 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17550 (expr_equiv_p): Reject memories with different alias sets.
17552 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17554 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17555 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17556 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17557 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17558 (lang_init): Set default for flag_bounds_check if still "unspecified".
17560 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17562 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17564 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17566 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17569 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17571 * config/c4x/c4x.md (*db_noclobber,
17572 *decrement_and_branch_until_zero_noclobber): New patterns and
17573 associated splitters.
17575 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17577 * config/c4x/c4x.md (parallel instruction patterns): Rework
17578 constraints to keep reload happy.
17580 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17582 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17583 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17584 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17585 Add new patterns and associated post-reload splitters.
17587 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17589 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17591 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17593 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17595 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17597 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17599 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17602 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17604 * pa.c (move_operand): Rely on memory_address_p to determine the
17605 validity of non-indexed memory addresses.
17606 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17607 operand in DFmode and SFmode when generating PA2.0 code.
17609 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17611 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17613 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17615 * mips.c (function_prologue): Fix argument types.
17616 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17617 (casesi_internal): Write to the scratch register.
17619 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17621 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17623 (parse_charconst): Delete unnecessary cast when calling
17625 (cpplib.h): Kill prototype of cpp_parse_escape.
17627 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17629 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17630 * unroll.c (unroll_loop): Cast return value of alloca.
17631 * i370/i370.c: Include function.h and toplev.h.
17632 (i370_label_scan): Remove c++ commented abort.
17633 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17634 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17635 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17636 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17638 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17640 * config/t-freebsd: Do not override USER_H.
17641 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17643 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17644 Mumit Khan <khan@xraylith.wisc.edu>
17646 * c-parse.in (component_decl): Support anonymous struct/union.
17648 * c-parse.y: Regenerate.
17649 * c-parse.c: Likewise.
17650 * objc/objc-parse.y: Likewise.
17651 * objc/objc-parse.c: Likewise.
17652 * c-decl.c (finish_struct): Don't sort the fields.
17653 (field_decl_cmp): Delete unused function.
17655 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17657 * sparc.md (movsf_const_intreg): Revert last constraint change.
17658 (movdf_const_intreg_sp32): Likewise.
17660 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17662 * cse.c: Include hashtab.h instead of splay-tree.h
17663 (struct cse_reg_info): No longer use variant union. Add new
17664 field "regno". All references changed to avoid union.
17665 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17666 (free_cse_reg_info): Remove.
17667 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17668 (get_cse_reg_info): Revamp to use expandable hash tables instead
17669 of splay trees. Initialize new fields in cse_reg_info structure.
17670 (new_basic_block): Similarly.
17672 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17674 * genrecog.c (message_with_line): Prototype.
17675 (validate_pattern): Pass along the set for the dest, not a flag.
17676 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17677 Check for PC/CC0 as sources.
17678 (nodes_identical): Check for children position match before
17679 allowing the combination.
17681 * rtl.c (read_rtx): Track line number across \\\n.
17683 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17685 * mips.h (SPECIAL_MODE_PREDICATES): New.
17686 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17687 (movdi+1, movsi+1): Add output reload constraint.
17688 (casesi_internal): Likewise. Fix commentary.
17689 (return_internal): Use pmode_register_operand.
17691 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17693 * 1750a.md (movstrqi): Add missing output reload constraint.
17694 (call_value): Likewise.
17695 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17696 (jmpfdec): Add missing inout reload constraint.
17697 * elxsi.md (addsi patterns): Add missing output reload constraint.
17698 (move from sp): Use @ alternates.
17699 (call_value): No constraint on output.
17700 * fr30.md (movsi_pop): Add missing output reload constraint.
17701 (movsf_constant_store): Likewise.
17702 (splits): Remove constraints.
17703 (subsi3): Add missing mode.
17704 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17705 (call_value): Likewise.
17706 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17707 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17708 * m32r.md (movsicc_internal): Add output reload constraint.
17709 (movstrsi_internal): Add inout reload constraints.
17710 * m88k.h (reg_names): Don't declare.
17711 (SPECIAL_MODE_PREDICATES): New.
17712 * m88k.md (*): Use register_operand not reg_or_0_operand
17714 * mn10200.h (PREDICATE_CODES): New.
17715 * ns32k.md (ffs pattern): Add output reload constraint.
17716 * pdp11.md (sob pattern): Add inout reload constraint.
17717 * sh.md (splits): Remove constraints.
17718 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17719 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17720 * vax.md (jgequ pattern): Add inout reload constraint.
17722 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17724 * configure.in (djgpp): Revert previous patch.
17725 * configure: Rebuit.
17726 * config/i386/djgpp.h: Revert previous patch.
17728 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17730 * fixinc/inclhack.def: Restore patch lost during last merge of
17731 "no_bogosity" branch.
17732 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17734 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17736 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17737 * fixinc/inclhack.def: Same.
17738 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17740 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17742 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17743 as the base of a PLUS.
17745 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17747 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17748 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17750 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17752 * pa.md (post_stw+1): Use pmode_register_operand.
17753 (dcacheflush, icacheflush): Likewise.
17755 * i386.md (movstricthi_1): Allow r/r.
17757 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17759 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17760 to (not (and (arg0) (arg1))). Similary for and.
17762 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17763 fallthrough to associate code.
17764 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17767 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17768 no bits in common; remove XOR to ROTATE conversion.
17770 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17772 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17774 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17776 * config/c4x/c4x.c (dst_operand): New.
17777 (PREDICATE_CODES): Update.
17778 * config/c4x/c4x.h (dst_operand): Declare it.
17779 * config/c4x/c4x.md: Define mode for each unspec usage.
17780 (move patterns): Use dst_operand predicate instead of src_operand.
17781 (movqi_update, movqf_update): Delete.
17783 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17785 * recog.c (pmode_register_operand): New.
17786 * recog.h: Declare it.
17787 * genrecog.c (pred_codes): Likewise.
17788 (special_mode_pred_table): Likewise.
17789 (validate_pattern): Don't warn no mode for address_operand.
17791 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17792 if the operand is not insn-like.
17794 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17795 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17797 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17799 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17801 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17802 instead of general_operand in a SET_DEST. Use const_double_operand
17803 instead of an explicit test against CONST_DOUBLE.
17804 (movsf_const_lo): Add missing register mode.
17805 (goto_handler_and_restore): Add auxiliary test for Pmode.
17806 (flush): Adjust to use address_operand.
17807 (return_sf_no_fpu): Add missing output constraint.
17809 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17811 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17812 for call return value.
17813 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17815 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17817 * toplev.c (main): Only warn about options for other languages.
17818 * collect2.c (main): Pass -w to sub-gcc.
17820 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17822 * flow.c (propagate_block): Add call-clobbered registers to
17825 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17826 zapping mem_set_list.
17827 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17828 (mark_set_1, mark_used_regs): Likewise.
17830 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17832 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17834 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17836 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17837 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17838 options. Also add a new item "C-only Warning Options" to the
17841 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17843 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17844 from multiple calls.
17846 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17848 * i386.md (call value patterns): Move to the end of the file.
17849 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17851 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17853 * configure.in (djgpp configuration): Define extra_objects..
17854 * configure: Rebuilt.
17855 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17856 (DTORS_SECTION_ASM_OP): Define.
17857 (INIT_SECTION_ASM_OP): Define.
17858 (FINI_SECTION_ASM_OP): Define.
17859 (DATA_SECTION_ASM_OP): Define.
17860 (TEXT_SECTION_ASM_OP): Define.
17861 (EH_FRAME_SECTION_ASM_OP): Define.
17862 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17863 (STARTFILE_SPEC): Add crtbegin.o.
17864 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17865 to here from LINK_COMMAND_SPEC.
17866 (DO_GLOBAL_CTORS_BODY): Define.
17867 (CRTSTUFF_USE_FINI_SECTION): Define
17868 (HAS_INIT_SECTION): Delete.
17870 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17872 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17874 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17876 * pa.h (PREDICATE_CODES): New.
17878 * genrecog.c (validate_pattern): Condense the destination
17879 non-lvalue message.
17881 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17883 * alpha.md (call-1): Supply missing mode for operator.
17884 (*): Add missing output reload constraints. Remove constraints
17885 from define_splits.
17887 * i386.h (SPECIAL_MODE_PREDICATES): New.
17888 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17889 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17890 (addsi_lea_3): Add missing mode for op 3.
17891 (prologue_set_got, prologue_get_pc): Add missing modes.
17892 (*) Add missing output reload constraints.
17894 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17896 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17897 check for member bit-size overflow and use var_size if it occurs.
17898 (layout_record): Use bitsize_int() to define the type size in bits.
17899 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17900 (layout_decl): Likewise when assigning to DECL_SIZE.
17902 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17904 * genrecog.c (validate_pattern): Typo last change. Verify
17905 that output operands have output reloads.
17907 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17909 * genrecog.c (special_mode_pred_table): New.
17910 (NUM_SPECIAL_MODE_PREDS): New.
17911 (find_operand): New.
17912 (validate_pattern): New argument `insn'. Warn for assignment to
17913 any predicate accepting non-lvalues. Conditionaly warn for
17914 match_operand without a mode. Try much harder to match source
17915 and destination modes on a set.
17916 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17918 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17920 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17922 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17924 * combine.c (simplify_logical): Recognize xor pattern that encodes
17927 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17929 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17932 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17934 * ggc-page.c (MAP_FAILED): Provide default.
17936 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17938 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17939 * sparc.h (PREDICATE_CODES): Update.
17941 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17943 * alpha.c (some_ni_operand): New.
17944 * alpha-protos.h: Declare it.
17945 * alpha.h (PREDICATE_CODES): Update.
17946 * alpha.md (sXaddq reload insns): Use some_ni_operand
17947 for SET_DEST instead of some_operand.
17949 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17950 Jim Wilson <wilson@cygnus.com>
17952 * genrecog.c (maybe_both_true_2): Don't compare modes of
17954 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17955 after find_afterward.
17956 (debug_decision_1): Dump next and afterward codes.
17958 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17960 * rtl.c (dump_and_abort): Remove.
17961 (fatal_with_file_and_line): New.
17962 (fatal_expected_char): New.
17963 (read_rtx_lineno, read_rtx_filename): New.
17964 (read_skip_spaces): Track line number.
17965 (read_name): Use fatal_with_file_and_line.
17966 (read_rtx): Use fatal_expected_char. Track line number.
17967 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17969 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17970 if it isn't a CODE_LABEL.
17972 * genattr.c (main): Set read_rtx_filename.
17973 * genattrtab.c (main): Likewise.
17974 * gencodes.c (main): Likewise.
17975 * genconfig.c (main): Likewise.
17976 * genemit.c (main): Likewise.
17977 * genextract.c (main): Likewise.
17978 * genflags.c (main): Likewise.
17979 * genopinit.c (main): Likewise.
17980 * genoutput.c (main): Likewise.
17981 * genpeep.c (main): Likewise.
17983 * genrecog.c (decision_test.u.insn): Add `lineno'.
17984 (pattern_lineno, error_count): New variables.
17985 (message_with_line): New.
17986 (add_to_sequence): Break out checking code to ...
17987 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17988 (merge_insn): Use message_with_line.
17989 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17990 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17992 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17994 * expr.c (store_constructor): Clear union if constructor is empty.
17996 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17998 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17999 Add !endian checks. Change %{...} to %(...).
18001 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
18003 * i386.md (*addsi3_cc): Renamed from addcsi3.
18004 (*addsi3_carry): Renamed from addxsi3.
18005 (*subsi3_cc): Renamed from subcsi3.
18006 (*subsi3_carry): Renamed from subxsi3.
18007 (*xorqi_cc_1): Renamed from xorcqi_1.
18008 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
18009 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
18011 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
18013 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
18014 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
18016 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
18018 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
18019 climb up the chain of insns.
18021 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
18023 * genrecog.c (write_subroutine): Careful for null trees.
18024 (process_tree): Don't elide empty functions.
18026 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
18028 * Makefile.in (genrtl.o): Depend on ggc.h.
18029 * configure.in (valloc): Probe for it.
18030 (with-gc): Use ggc-page if valloc present.
18031 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
18032 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
18033 (ggc_alloc_string): Moved from ggc-page.c.
18034 * ggc-none.c (ggc_alloc_obj): New.
18035 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
18036 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
18037 (struct globals): Likewise for dev_zero_fd.
18038 (init_ggc): Likewise for it's initialization.
18039 (ggc_allocated_p): Move careful dereference from ...
18040 (ggc_lookup_page_table): ... here. Delete.
18041 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
18042 (alloc_anon): Use valloc if no mmap.
18043 (release_pages): Use free if using valloc.
18044 (ggc_alloc_obj): Renamed from alloc_obj.
18045 (ggc_set_mark): Renamed from mark_obj.
18046 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
18047 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
18048 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
18049 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
18050 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
18051 (ggc_collect): Use fp printing instead of our own rounding.
18052 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
18053 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
18054 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
18055 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
18056 (struct ggc_string, struct ggc_any): Delete.
18057 (offsetof): Provide default definition.
18058 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
18060 (struct ggc_mem): New, from corpse of ggc_any.
18061 (struct ggc_status): Delete.
18062 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
18063 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
18064 (n_strings_collected, n_anys_collected): Delete.
18065 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
18066 (ggc_alloc_string, ggc_alloc): Delete.
18067 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
18068 (ggc_free_string, ggc_free_any): Delete.
18069 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
18070 (ggc_compare_addresses, ggc_mark_string): Delete.
18071 (ggc_mark_string_if_gcable, ggc_mark): Delete.
18072 (search_data): Delete.
18073 (struct globals): New.
18074 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
18075 (tree_insert, tree_lookup): New.
18076 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
18077 (clear_marks, sweep_objs): New.
18078 (ggc_collect): Gut. Use clear_marks, sweep_objs.
18079 (init_ggc): Set allocated_last_gc.
18080 (ggc_push_context): Gut. Use G.context.
18081 (ggc_pop_context): Likewise.
18082 (ggc_pop_context_1): New.
18083 (debug_ggc_tree): New.
18084 (debug_ggc_balance, tally_leaves): New.
18085 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
18086 (ggc_mark_string_if_gcable): Remove decl.
18087 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
18088 (ggc_mark_rtvec_children): New.
18089 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
18090 (ggc_mark_if_gcable): New decl.
18091 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
18092 (ggc_alloc_tree, ggc_alloc): Likewise.
18093 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
18094 (ggc_alloc_obj): New decl.
18095 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
18096 (ggc_alloc_tree, ggc_alloc): Likewise.
18097 (ggc_set_mark): New decl.
18098 * rtl.h (struct rtx_def): Remove gc_mark.
18099 (struct rtvec_def): Likewise.
18100 * tree.h (struct tree_common): Likewise.
18102 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
18104 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
18105 float_format and thread_file definitions.
18106 * configure: Rebuilt.
18108 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
18110 * extend.texi (Function Names): Document types of function names.
18112 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18114 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
18115 an earlyclobbered output conflict with RELOAD_INPUT reloads.
18117 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18119 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
18121 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18123 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
18125 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
18127 * collect2.c (main): Do prelimnary link on AIX if rflag.
18129 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18131 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
18132 __CTOR_LIST__ in opposite order, which is the correct order for sorted
18134 (__do_global_dtors): similarly for __DTOR_LIST__.
18136 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18137 Diego Novillo <dnovillo@cygnus.com>
18139 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
18142 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
18144 * fixincl/*: Merged "no_bogosity" branch
18145 * fixincl/fixlib.h: protect against doubly defining t_bool
18146 * fixincl/server.h: protect against doubly defining t_bool
18148 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
18150 * genoutput.c: Include toplev.h.
18152 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
18154 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
18156 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
18157 * configure: Regenerate.
18159 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18161 * gcse.c (delete_null_pointer_checks): Returns void.
18163 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18165 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
18166 * emit-rtl.c (copy_insn_1): Likewise.
18168 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18170 * config/mips/mips.c (mips_build_va_list): Correct
18171 TREE_CHAIN setting when hard-float.
18172 (mips_va_start): Use corrected setting.
18173 (mips_va_arg): Likewise. Also pass a tree to build of
18174 POSTINCREMENT_EXPR rather than a naked 'int'.
18176 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
18178 * ggc.h (ggc_push_context): Fix comment.
18179 (ggc_pop_context): Likewise.
18180 (mark_string_if_gcable): Likewise.
18181 * ggc-common.c (ggc_mark_rtx_children): Use
18182 ggc_mark_string_if_gcable.
18183 * ggc-page.c (ggc_lookup_page_table): New function.
18184 (ggc_allocated_p): Likewise.
18185 (mark_obj): Fix formatting.
18186 (ggc_mark_string_if_gcable): New function.
18187 * ggc-simple.c (ggc_allocated_strings): New variable.
18188 (ggc_strings_used): Likewise.
18189 (ggc_compare_addresses): New function.
18190 (ggc_pop_context): Pop the `any' memory too.
18191 (ggc_mark_string_if_gcable): New function.
18192 (ggc_collect): Initialize and tear down ggc_allocated_strings.
18194 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
18196 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
18197 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
18198 * rs6000.c (expand_block_move): Match movstrsi_?reg register
18201 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
18203 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
18204 (sched_reg_live_length, sched_reg_basic_block): Delete.
18205 (current_block_num, bb_live_regs, old_live_regs): Delete.
18206 (dead_notes, struct sometimes): Delete.
18207 (sched_note_set, birthing_insn_p): Delete.
18208 (adjust_priority): Gut useless reg lifetime code.
18209 (create_reg_dead_note, attach_deaths): Delete.
18210 (attach_deaths_insn, new_sometimes_live): Delete.
18211 (finish_sometimes_live): Delete.
18212 (find_pre_sched_live, find_post_sched_live): Delete.
18213 (update_reg_usage): Delete.
18214 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
18215 (schedule_insns): Delete reg lifetime code.
18216 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
18217 (unlink_other_notes): Adjust REG_NOTE commentary.
18218 (reemit_notes): Use REG_SAVE_NOTE.
18219 (schedule_block): Likewise.
18220 (schedule_region): Allocate bitmap of blocks in region. Use
18221 count_or_remove_death_notes. Use update_life_info.
18223 * rtl.h (REG_SAVE_NOTE): New.
18224 * rtl.c (reg_note_name): Update.
18226 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18228 * combine.c (refresh_blocks, need_refresh): New.
18229 (combine_instructions): Allocate refresh_blocks. Invoke
18230 update_life_info if needed.
18231 (distribute_notes): Mark refresh_blocks instead of installing
18233 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18234 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18236 * Makefile.in (recog.o): Depend on basic-block.h.
18238 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18240 * genrecog.c (add_to_sequence): Thinko last change: delete
18241 shadowing allow_const_int variable.
18243 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18245 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18246 __GNUC__ and __GNUC_MINOR__.
18248 * gansidecl.h: Likewise.
18254 * toplev.h: Likewise.
18256 * tree.c: Likewise.
18258 * tree.h: Likewise.
18260 * varray.c: Likewise.
18262 * varray.h: Likewise.
18264 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18266 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18267 use one before a jump table.
18269 * rtl.def (ADDRESS): Change documentation to match reality.
18270 * md.texi: Don't document it.
18271 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18274 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18276 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18278 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18279 known predicate block; default allow_const_int true.
18280 (debug_decision_list): New.
18282 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18284 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18286 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18288 * gcse.c (gcse_main): Avoid global optimizations if we have a
18289 large number of basic blocks and the ratio of edges to blocks
18291 (delete_null_pointer_checks): Likewise.
18293 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18295 * c-common.c (check_format_info): Warn if format string isn't a
18298 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18300 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18301 * configure: regenerate
18303 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18305 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18306 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18307 (peepholes): Re-enable.
18309 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18311 * Makefile.in (flow.o): Depend on TREE_H.
18312 * basic-block.h (REG_SET_EQUAL_P): New.
18313 (XOR_REG_SET): New.
18314 (n_edges): Declare.
18315 (free_regset_vector): Remove declaration.
18316 (flow_delete_insn_chain): Declare.
18317 (enum update_life_extent): New.
18318 (update_life_info, count_or_remove_death_notes): Declare.
18319 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18320 Verify register live at bb->global_live_at_start before adding USE.
18321 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18322 (CLEAN_ALLOCA): New.
18324 (PROP_*): New flags.
18325 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18326 (clear_edges): Zero n_edges.
18327 (make_edge): Increment n_edges.
18328 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18329 (flow_delete_insn_chain): Export.
18330 (delete_block): Decrement n_edges.
18331 (merge_blocks_nomove): Likewise.
18332 (life_analysis): Give life_analysis_1 PROP flags.
18333 (verify_wide_reg_1, verify_wide_reg): New.
18334 (verify_local_live_at_start): New.
18335 (update_life_info): Rewrite to call into propogate_block.
18337 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18338 always mark stack pointer. Conditionally mark PIC register.
18339 After reload, mark call-saved registers, return regsiters.
18340 (life_analysis_1): Accept PROP flags not remove_dead_code.
18341 Call mark_regs_live_at_end before zeroing regs_ever_live.
18342 Use calculate_global_regs_live. Copy global_live_at_end before
18343 calling final propagate_block. Zero reg_next_use on exit.
18344 (calculate_global_regs_live): New.
18345 (allocate_bb_life_data): Don't allocate bb->local_set.
18346 (init_regset_vector, free_regset_vector): Remove.
18347 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18348 Test flags before every operation. Warn if prologue/epilogue insn
18349 would have been deleted.
18350 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18351 Use alloc_EXPR_LIST.
18352 (mark_used_regs): Accept and use FLAGS, not FINAL.
18353 Remove special handling for RETURN.
18354 (try_pre_increment): Use alloc_EXPR_LIST.
18355 (dump_flow_info): Dump n_edges.
18356 (unlink_insn_chain, split_hard_reg_notes): Remove.
18357 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18358 (find_insn_with_note, new_insn_dead_notes): Remove.
18359 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18360 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18361 (replace_insns): Remove.
18362 (count_or_remove_death_notes): New.
18363 (verify_flow_info): Abort on error after all checks.
18364 (remove_edge): Decrement n_edges.
18365 (remove_fake_edges): Tweak format.
18366 * haifa-sched.c (schedule_insns): Use split_all_insns.
18367 * output.h (update_life_info): Remove declaration.
18368 * recog.c (split_all_insns): From the corpse of split_block_insns,
18369 do the whole function block by block. Use update_life_info.
18370 (recog_last_allowed_insn): New.
18371 (recog_next_insn): Mind it.
18372 (peephole2_optimize): Set it. Walk backwards through blocks.
18373 Use update_life_info.
18374 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18375 (split_all_insns): Declare.
18376 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18377 Use split_all_insns.
18379 * i386.md (or -1 peep2s): Disable.
18381 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18383 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18384 a single pattern. Scrap the 'd' versions as unnecessary.
18386 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18387 tablejump_mips162,tablejump_internal4): The operands to a
18388 label_ref must be VOIDmode.
18390 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18392 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18394 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18396 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18398 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18400 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18401 cache every function if ggc_p.
18403 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18405 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18406 instead of copy_rtx. Accept sequences that contain asm statements.
18407 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18408 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18409 orig_asm_operands_vector, copy_asm_operands_vector,
18410 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18412 * rtl.h (copy_insn, copy_insn_1): Declare.
18414 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18416 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18418 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18419 arguments to `current_file_function_operand'.
18421 * genrecog.c: Include hard-reg-set.h and resource.h in the
18422 generated output file.
18424 * real.c: Include tm_p.h.
18426 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18428 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18431 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18433 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18434 before the fctiwz insn.
18436 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18437 Mark Mitchell <mark@codesourcery.com>
18439 * tree.c (make_lang_type_fn): New funtion pointer.
18440 (make_lang_type): Call it.
18441 * tree.h (make_lang_type): Declare.
18442 (make_lang_type_fn): Likewise.
18443 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18445 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18447 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18448 make sure that HIGH instructions are copied into BASE_REGS.
18450 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18452 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18454 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18456 * c-decl.c (finish_struct): Use simpler method of
18457 removing elements of a singly-linked list.
18459 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18461 * alpha.md (peephole2's): Comment out peephole2's that generate
18464 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18466 * genrecog.c (add_to_sequence): Disable mode check for
18469 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18471 * ggc-simple.c (init_ggc): Set empty_string.
18473 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18475 * configure.in: Detect mmap. Add --with-gc=foo to select
18476 garbage collector; default to page if mmap available.
18477 * Makefile.in (GGC): Substitute.
18479 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18481 * c-decl.c (ggc_p): Enable.
18483 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18485 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18487 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18489 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18490 string for little-endian-data.
18492 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18494 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18495 case somebody tries to compile --enable-checking code with gcc
18498 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18500 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18503 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18505 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18506 * jump.c (jump_optimize_1): Document why.
18508 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18510 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18511 pointers and casts for `int_handler' and `quit_handler'.
18513 * flow.c (verify_flow_info, split_hard_reg_notes,
18514 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18515 remove_edge, remove_fake_successors): Add static prototypes.
18516 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18517 (mark_set_1): Initialize variable `regno'.
18518 (unlink_insn_chain): Likewise for variable `curr'.
18519 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18521 * loop.c (strength_reduce): Initialize variable
18522 `unrolled_insn_copies'.
18523 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18524 prototypes. Change these functions to take const PTR parameters
18525 to avoid prototype conflict when used as the comparson argument
18527 (check_dbra_loop): Initialize variable `comparison_val'.
18529 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18530 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18531 (find_valid_class): Initialize variable `best_class'.
18532 (find_reloads): Call memcpy, not bcopy.
18534 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18535 (hard_reg_use_compare): Don't needlessly cast away const.
18536 (reload_reg_class_lower): Likewise.
18537 (choose_reload_regs): Initialize variable `regno'.
18539 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18541 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18543 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18545 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18546 ({,d}discard): Add forward declarations. Declare parameter as
18548 (main_without_main): Explicitly declare return type to be int.
18549 (memcpy): Properly declare.
18551 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18552 building the trampoline support, declare malloc, free, and
18554 (__clear_cache): Mark arguments as potentially unused.
18556 * frame.c (toplevel): If inhibit_libc is defined, declare
18559 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18561 * flow.c (make_edge): Accept an optional 2D bitmap in which
18562 to cache edge existence. Update all callers.
18563 (make_label_edge, make_eh_edge): Pass through the edge cache.
18564 (make_edges): Provide the cache.
18566 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18568 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18570 (local_mbtowc): Change the type of variable `i' from int to size_t.
18572 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18573 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18575 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18577 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18578 after other includes that define the appropriate types. Include
18579 tm_p.h for getting user prototypes.
18580 * ggc-callbacks.c (toplevel): Ditto.
18581 * ggc-none.c (toplevel): Ditto.
18582 * gcc-page.c (toplevel): Ditto.
18583 * ggc-simple.c (toplevel): Ditto.
18585 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18586 Jonathan Larmour <jlarmour@cygnus.co.uk>
18588 * config/mips/mips.c (mips_move_2words): Split doubles if
18589 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18591 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18593 * genrecog.c (struct decision_test): New.
18594 (struct decision): Remove test-related members, sort the rest by size.
18595 (IS_SPLIT): Simplify.
18596 (new_decision, new_decision_test): New.
18597 (add_to_sequence): Use them. No special handling for args of
18599 (maybe_both_true): Renamed from not_both_true; return sense changed.
18600 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18601 of maybe_both_true and adjusted for decision_test.
18602 (position_merit): Remove.
18603 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18604 (merge_accept_insn): New, broken out of merge_trees.
18605 (merge_trees): Use them. No special case for c_test; no node
18606 splitting; use test type instead of position_merit.
18607 (factor_tests): New.
18608 (simplify_tests): New.
18609 (break_out_subroutines): Don't write code now.
18610 (find_afterward): New.
18611 (write_afterward, write_switch, write_cond): New.
18612 (write_action, is_unconditional): New.
18613 (write_node): New. Use them.
18614 (write_tree_1): Rewrite. Use the new functions above.
18615 (write_tree): Remove afterward processing.
18616 (write_subroutine): Simplify function variant emission.
18617 (write_subroutines): New.
18618 (same_codes, clear_codes): Remove.
18619 (same_modes, clear_modes): Remove.
18620 (write_header): New, broken out of main.
18621 (make_insn_sequence): Use new_decision and new_decision_test.
18622 (process_tree): New, broken out of main.
18623 (main): Adjust for merge_trees interface change.
18624 Don't #define operands in the output file.
18625 (record_insn_name): New, broken out of make_insn_sequence.
18626 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18627 (debug_decision): New.
18629 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18631 * resource.c (find_free_register): Mark class_str argument const.
18632 * resource.h: Update prototype to match.
18634 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18635 * i386.md: Give all anonymous insns names.
18637 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18639 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18642 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18644 * toplev.c (dbr_sched_time): Unconditional.
18645 (peephole2_time): New.
18646 (compile_file): Add pass numbers to all of the dump file suffixes.
18647 Dump peephole2_time. Don't dump times for non-applicable passes.
18648 (rest_of_compilation): Add pass numbers to dump file suffixes.
18649 Conditionalize calls to the scheduler.
18650 * invoke.texi: Update.
18652 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18654 * flow.c (make_edges): Fix insn iteration.
18655 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18656 (find_basic_blocks_1): Fix spelling mistake.
18658 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18660 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18661 always have side-effects. Use memset not bzero.
18662 (make_node): Likewise.
18664 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18666 * stmt.c (expand_anon_union_decl): When any of the elements of the
18667 union is addressable, so is the entire union.
18669 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18671 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18673 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18674 * bitmap.c (bitmap_operation): Return true iff TO changed.
18675 (bitmap_equal_p): New.
18676 (bitmap_bit_p): Tidy arithmetic.
18677 (debug_bitmap_file): Likewise.
18679 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18681 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18682 before cse2 instead of after.
18684 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18686 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18689 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18691 * cppinit.c (is_idchar initializer): Loosen tests to accept
18694 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18696 * mips.md: Define conditional move patterns for floating point
18697 operands and DI mode conditions.
18699 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18701 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18702 always have side-effects.
18704 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18706 * mn10200.c (asm_file_start): Fix typo.
18708 * cppinit.c (is_idchar initializer): Tighten tests for when
18709 to put the table into initialized memory.
18711 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18712 not an array of rtunion.
18713 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18714 * gcc-simple (ggc_free_rtvec): Similarly.
18716 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18719 * mbchar.h: Add missing #endif.
18721 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18722 (FPBIT, DPBIT): Define.
18724 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18726 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18728 * profile.c (instrument_arcs, output_gcov_string,
18729 tablejump_entry_p): Add static prototypes.
18730 (output_gcov_string): Constify a char*.
18732 * regmove.c (replacement_quality, fixup_match_2): Add static
18735 * resource.h (reg_dead_p): Add extern prototype.
18737 * rtl.c (trim_filename): Add static prototype.
18739 * scan-decls.c (skip_to_closing_brace): Likewise.
18741 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18742 (expand_end_case): Initialize variable `range'.
18743 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18745 * varasm.c (asm_emit_uninitialised): Add static prototype.
18746 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18749 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18751 * cpplib.c (if_directive_nameo): Add static prototype.
18753 * cse.c (cse_insn): Remove unused variable `p'.
18755 * except.c (create_rethrow_ref, push_entry,
18756 receive_exception_label, new_eh_region_entry, find_func_region,
18757 clear_function_eh_region, process_nestinfo): Add static prototypes.
18758 (get_reg_for_handler): Hide definition.
18759 (process_nestinfo): Initialize variable `extra_handlers'.
18761 * expr.h (expand_builtin_longjmp): Add extern prototype.
18763 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18765 * function.c (prepare_function_start): Likewise.
18766 (pop_function_context_from): Mark parameter `context' with
18768 (push_temp_slots_for_block, flush_addressof): Hide definition.
18770 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18771 solve_program_flow_graph, calculate_branch_probs,
18772 function_summary, main, fancy_abort): Add prototypes.
18774 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18775 (add_hash): Constify a char*.
18777 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18778 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18779 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18781 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18783 * lists.c (free_list, zap_lists): Likewise.
18785 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18787 * alias.c (nonlocal_reference_p): Add static prototype.
18789 * bitmap.c (bitmap_element_allocate): Prototype args in function
18792 * builtins.c (stabilize_va_list): Add static prototype.
18793 (expand_builtin_va_arg): Constify a char*.
18795 * c-lex.c (getch, put_back, extend_token_buffer_to,
18796 read_line_number, token_getch, token_put_back): Add static
18799 * c-parse.gperf (hash, is_reserved_word): Likewise.
18801 * cccp.c (is_dir_separator): Likewise.
18803 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18805 * graph.h: New file to prototype functions exported by graph.c.
18807 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18809 * graph.c: Include graph.h.
18811 * toplev.c: Likewise. Remove redundant prototypes.
18813 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18815 * invoke.texi: Removed duplicated description for -Q.
18817 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18819 * extend.texi: Grammar fix in __extension__ text.
18821 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18823 * md.texi (define_peephole2): New section.
18825 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18827 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18828 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18831 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18833 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18835 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18837 * i386.md (ffs expander): Emit Pentium friendly code for
18840 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18842 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18844 (build1): Likewise.
18846 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18848 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18850 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18852 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18853 register is in use.
18855 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18857 * md.texi (No Constraints): Delete section.
18858 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18859 * final.c (final_scan_insn): We always have register constraints.
18860 * genattrtab.c: Don't include "insn-config.h".
18861 (write_attr_case): We always have register constraints.
18862 * genconfig.c (register_constraint_flag): Delete.
18863 (walk_insn_part): Don't check whether we have register constraints.
18864 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18865 * genoutput.c (have_constraints): Delete.
18866 (main): Don't set it.
18867 (output_operand_data): We always have constraints.
18868 (scan_operands): Likewise.
18869 (compare_operands): Likewise.
18870 * local-alloc.c (block_alloc): We always have constraints.
18871 (requires_inout): Always compile this function.
18872 * recog.c (extract_insn): We always have constraints.
18873 (constrain_operands, reg_fits_class_p): Always compile these
18875 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18877 (struct insn_operand_data): Likewise.
18878 * regclass.c (regclass): We always have constraints.
18879 (record_reg_classes, copy_cost, record_address_regs,
18880 auto_inc_dec_reg_p): Always compile these functions.
18881 * regmove.c (regmove_optimize): We always have constraints.
18882 * reload.c (find_reloads): Likewise.
18883 * reload1.c (reload): Likewise.
18884 (reload_cse_simplify_operands): Likewise.
18885 * i860.c (output_delay_insn): Likewise.
18887 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18889 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18891 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18893 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18894 for the va_list record.
18896 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18898 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18901 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18903 * alias.c: Include insn-flags.h.
18904 * Makefile.in (alias.o): Update.
18906 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18908 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18909 to LTU and GEU. Handle more cases using sbb.
18911 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18913 * i386.md (truncatexfdf splitters): Do not use subreg.
18914 (fop XFmode patterns): Fix mode in operand testing.
18916 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18918 * jump.c (jump_optimize_1): Amend last change to test only the
18919 form of the operand, not the insn.
18921 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18922 not register_operand to determine when B may need preloading.
18924 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18926 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18927 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18928 (call-value patterns): Move to end of file.
18929 (*): Remove mode from label_ref in (pc) context.
18930 (movstrqi): Use memory not general_operand for BLKmode operands.
18931 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18932 to register_operand operands.
18933 (peep2 patterns): Convert from commented-out peephole patterns.
18935 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18937 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18938 to BUILT_IN_INIT_DWARF_REG_SIZES.
18939 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18940 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18941 expand_builtin_init_dwarf_reg_sizes.
18942 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18943 with __builtin_init_dwarf_reg_size_table.
18944 * dwarf2out.c (struct reg_size_range): Delete.
18945 (expand_builtin_init_dwarf_reg_sizes): New function.
18946 (expand_builtin_dwarf_reg_size): Delete.
18947 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18948 (expand_builtin_dwarf_reg_size): Don't declare.
18949 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18950 (dwarf_reg_size_table): New.
18951 (init_reg_size_table): New function.
18952 (copy_reg): Use dwarf_reg_size_table.
18953 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18956 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18958 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18959 Correctly build argument list to constructor and destructor functions.
18961 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18963 * c-tree.h (warn_float_equal): Declare.
18964 * c-decl.c (warn_float_equal): Define.
18965 (c_decode_option): Recognize -W[no-]float-equal.
18966 * c-typeck.c (build_binary_op): Conditionally warn
18967 about equality tests of floating point types.
18968 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18969 * invoke.texi: Add docs for -Wfloat-equal warning.
18971 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18973 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18974 generating RTL directly.
18975 * mips.h (INIT_TARGET_OPTABS): Likewise.
18976 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18978 * expr.h (init_mov_optab): Delete declaration
18980 * h8300.c (WORD_REG_USED): Update to avoid useless register
18981 saves in interrupt functions and functions which never return.
18983 * cse.c (struct set): Delete inner_dest_loc field.
18984 (cse_insn): Remove assignments to inner_dest_loc field.
18986 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18988 * ggc-page.c: Don't include <unistd.h> etc taken care of
18989 by "system.h". Include <sys/mman.h> afterward.
18991 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18993 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18996 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18998 * xcoffout.c (xcoffout_declare_function): Add documentation.
18999 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
19000 TARGET_64BIT. Compare constant to -1, not bit pattern.
19001 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
19002 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
19005 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
19007 * dwarf2out.c (add_abstract_origin_attribute): Abort if
19008 origin_die is NULL.
19009 (gen_inlined_enumeration_type_die): Do not abort if the type has
19010 not been writeen out.
19011 (gen_inlined_structure_type_die): Do not abort if the type has
19012 not been writeen out.
19013 (gen_inlined_union_type_die): Do not abort if the type has
19014 not been writeen out.
19015 (gen_tagged_type_instantiation_die): Do not abort if the type
19016 has not been written out.
19018 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19020 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
19022 * reg-stack.c (straighten_stack): Copy hard reg set with
19025 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
19027 * builtins.c (stabilize_va_list): Stabilize array type va_list
19028 to a pointer type, not the base record type.
19029 (expand_builtin_va_copy): Dereference the pointers explicitly;
19030 use the correct size for the copy.
19032 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
19033 (rs6000_va_arg): Likewise.
19035 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
19037 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
19039 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
19041 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
19043 (DECL_BUILT_IN_CLASS): Adjust accordingly.
19045 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
19047 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
19048 (init_ggc): Use it instead of a constant.
19049 (ggc_collect): Bound allocated_last_gc by it.
19051 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
19053 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
19056 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
19058 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
19059 (mips*-*-openbsd*): Let big endian configuration be a fragment.
19060 * configure: Regen.
19061 * config/mips/openbsd.h: New, OpenBSD little endian target.
19062 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
19063 * config/mips/xm-openbsd.h: New, OpenBSD host.
19065 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
19067 * config/m68k/m68k.c (output_function_prologue,
19068 output_function_epilogue): Use
19069 current_function_uses_pic_offset_table instead of regs_ever_live
19070 to decide whether to save/restore pic register.
19071 (legitimize_pic_address): Don't modify regs_ever_live any more.
19073 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
19075 * function.h (struct function): Add x_dont_save_pending_sizes_p.
19076 * stor-layout.c (variable_size): Don't add sizes to the pending
19077 sizes list if x_dont_save_pending_sizes_p is set.
19079 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
19081 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
19082 for symbolic_operand().
19083 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
19085 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19087 * combine.c (gen_rtx_combine): Add missing call to va_end().
19089 * final.c (asm_fprintf): Likewise.
19091 * genattrtab.c (attr_rtx): Likewise.
19093 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
19095 * cse.c: Update comments.
19096 (cse_insn): When converting a conditional/computed jump into
19097 an unconditional jump, always make sure a BARRIER immediately
19098 follows the converted jump. Do not delete unreachable code.
19099 (cse_basic_block): Do not delete unreachable code.
19100 * toplev.c (rest_of_compilation): Move call to
19101 delete_trivially_dead_insns after the conditional call to
19104 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19106 * collect2.c (make_temp_file): Don't prototype.
19108 * gcc.c (make_temp_file): Likewise.
19110 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
19112 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
19114 * varasm.c (asm_emit_uninitialised): New function: Generate
19115 the assembler statements necessary to declare an uninitialised
19117 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
19119 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
19120 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
19122 (assemble_variable): Use asm_emit_uninitialised to emit an
19123 uninitialised variable.
19125 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
19127 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
19128 constant on a 64 bit host. Patch supplied by Geoffrey Keating
19129 <geoffk@cygnus.com>.
19131 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19133 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
19134 * c-common.h (builtin_function): Don't declare.
19136 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
19138 (pushdecl): Likewise.
19139 (finish_decl): Likewise.
19140 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
19141 int. All callers changed.
19142 Set the builtin's DECL_BUILT_IN_CLASS.
19143 * tree.h (enum built_in_class): New.
19144 (enum built_in_function): Delete NOT_BUILT_IN.
19145 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
19147 (DECL_SET_FUNCTION_CODE): Likewise.
19148 (DECL_BUILT_IN_CLASS): New macro.
19149 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
19150 (struct tree_decl): Split builtin function code field into a
19152 (builtin_function): Declare.
19154 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
19156 * optabs.c (init_traps): Fix typo in last change.
19158 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
19160 * toplev.c (rest_of_decl_compilation): Update comment.
19162 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19164 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
19165 in .sbss if appropriate.
19166 (EXTRA_SECTION_FUNCTIONS): Add sbss.
19167 (SBSS_SECTION_ASM_OP): New macro.
19168 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
19169 (EXTRA_SECTIONS): Add in_sbss.
19170 * config/mips/mips.h: Prototype sbss_section.
19172 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
19174 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
19177 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
19179 * optabs.c (init_traps): Register trap_rtx as a GC root.
19181 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19183 * config/mips/mips.c (function_arg_pass_by_reference): Define
19184 unconditionally, since it's called unconditionally.
19186 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19188 * toplev.c (documented_lang_options): Add -fshort-wchar.
19189 * c-decl.c (c_decode_option): Likewise.
19190 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
19192 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
19193 * gcc.c (default_compilers): If -fshort-wchar,
19194 override __WCHAR_TYPE__.
19195 * tm.texi (C Dialect Options): Add -fshort-wchar.
19197 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
19198 symbol for a variable.
19200 * cpplib.h (CPP_PREPROCESSED): New macro.
19201 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
19202 we're seeing this input for a second time.
19204 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
19206 * emit-rtl.c (init_emit_once): Initialize modes first.
19208 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
19210 * config/i386/i386.c (pic_label_name): Change to char pointer.
19211 (global_offset_table): New variable.
19212 (load_pic_register): Fill global_offset_table if it hasn't
19213 already been done. Allocate pic_label_name dynamically.
19214 * ggc.h (empty_string): New variable.
19215 * ggc-simple.c (empty_string): Likewise.
19216 (init_ggc): Allocate empty_string and add as root.
19217 * stmt.c (digit_strings): New variable.
19218 (init_stmt): Add last_block_end_note as root. Allocate and
19219 initialize digit_strings.
19220 (expand_asm_operands): Use empty_string instead of string
19221 constant. Use digit_strings instead of string constants.
19222 * profile.c (init_arc_profiler): Allocate string with
19223 ggc_alloc_string instead of xmalloc.
19224 (output_func_start_profiler): Likewise.
19225 * c-typeck.c (digest_init): Check if init is error_mark_node.
19227 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19228 Richard Henderson <rth@cygnus.com>
19230 * ggc-page.c: New file.
19231 * Makefile.in (ggc-page.o): New.
19233 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19235 * invoke.texi: Document -fdelete-null-pointer-checks
19236 * toplev.c (flag_delete_null_pointer_checks): New.
19237 (f_options): Add entry for -fdelete-null-pointer-checks.
19238 (rest_of_compilation): Conditionalize null pointer check
19239 elimination on flag_delete_null_pointer_checks.
19240 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19242 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19244 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19245 copyright notice and special exception to GPL.
19247 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19249 * abi64.h (mips_function_value): Add prototype arguments.
19251 * mips-protos.h: New file with mips prototypes.
19253 * mips.c: Include "tm_p.h".
19254 (mktemp, lookup_name): Add prototype arguments.
19255 (extern_list, string_constant, mips_fill_delay_slot,
19256 mips_output_external, mips_output_external_libcall,
19257 mips_output_filename, mips_declare_object, function_prologue,
19258 mips_expand_prologue, function_epilogue, mips16_constant,
19259 build_mips16_function_stub, mips_output_conditional_branch):
19261 (mips_va_start): Remove unused variable `u'.
19262 (mips_va_arg): Cast value to unsigned when comparing against one.
19264 (save_restore_insns, mips_expand_prologue): Add missing arg in
19265 call to `large_int'.
19267 * mips.h: Move prototypes to mips-protos.h.
19268 (data_section, memory_address_p, rdata_section,
19269 readonly_data_section, simple_epilogue_p, text_section): Delete
19270 prototypes delcared elsewhere.
19271 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19273 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19275 * mips.md: Delete extra args in call to `mips_move_2words'.
19277 * xm-iris6.h (alloca): Add prototype argument.
19279 * genpeep.c: Include "tm_p.h" in generated output file.
19281 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19283 * basic-block.h (find_edge_index): Change parameters.
19284 * flow.c (verify_edge_list): Pass basic_block parameters to
19285 find_edge_index instead of integers.
19287 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19289 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19292 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19294 * gcc.1: Fix a formatting error.
19296 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19298 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19299 i786, mn10200, mn10300, pdp11, v850.
19301 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19303 * libgcc2.c (num_digits): Add prototype with
19304 __attribute__((const)).
19305 (__terminate): Add prototype.
19307 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19309 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19311 * alpha/alpha.c (print_operand): Fix type of `code'.
19312 (alpha_output_filename): Constify.
19313 * alpha/alpha.h: Move all function declarations ...
19314 * alpha/alpha-protos.h: ... here. New file.
19315 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19316 (SECTION_FUNCTION_TEMPLATE): Likewise.
19318 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19320 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19321 * expr.c (expand_expr): Likewise.
19322 (do_jump): Likewise.
19323 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19324 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19326 (enum can_compare_purpose): New.
19327 (can_compare_p): Adjust prototype.
19328 (prepare_cmp_insn, prepare_operand): Declare.
19329 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19330 * optabs.c (cmp_available_p): Deleted.
19331 (expand_abs): Pass ccp_jump to can_compare_p.
19332 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19333 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19334 Call can_compare_p rather than cmp_available_p.
19335 (prepare_operand): No longer static.
19336 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19337 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19338 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19339 sequence to use emit_cmp_and_jump_insns.
19340 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19342 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19344 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19345 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19346 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19347 (plus (reg) (const_int 0))
19348 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19350 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19352 * rs6000.c (expand_block_move): DImode loads and stores require
19353 word-aligned displacements. Increment address registers with
19354 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19356 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19358 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19359 is no name for the base type, rather than segfault. If we are
19360 writing out a complex integer type, use DW_ATE_lo_user.
19362 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19363 in one word or less (complex char, complex short, or on 64 bit
19364 systems complex float) to/from a hard register, copy it through
19365 memory instead of dying in gen_{real,imag}part. If we have a
19366 short complex type, prevent inlining since it allocates stack
19369 * tree.c (build_complex_type): If we are writing dwarf2 output,
19370 generate a name for complex integer types.
19372 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19374 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19375 * flow.c (remove_edge): Remove extra whitespace.
19376 (remove_fake_edges): Fix comment.
19377 (add_noreturn_fake_exit_edges): Use the correct name.
19379 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19381 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19382 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19383 (clean): Depend on INTL_CLEAN.
19384 (maintainer-clean): Adjust.
19386 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19388 * configure.in (AC_PREREQ): Bump to 2.13.
19389 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19391 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19393 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19395 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19397 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19398 (HAVE_STRINGIZE): Define.
19400 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19402 * c-parse.in: save and restore warn_pointer_arith on __extension__
19403 along with pedantic.
19404 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19405 Set the type of extension to itype rather than $<itype>1 kludge.
19406 * extend.texi (Alternate Keywords): Adjust documentation.
19407 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19409 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19411 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19412 most assembler templates.
19414 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19415 FP loads and stores.
19416 (following_call): Always return zero for the PA8000.
19417 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19418 FP loads and stores.
19419 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19421 * pa.h (BRANCH_COST): Define.
19423 * pa.md (return, return_internal): Use bve for PA2.0.
19425 * pa.md (fused multiply): Add variants which reduce height for the
19426 fused multiply, but which still generate 2 insns.
19427 (fnegabs): Similarly.
19429 * pa.md (subsi3): Turn into an expander. Create two anonymous
19430 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19431 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19433 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19435 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19437 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19438 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19440 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19443 * flow.c (record_active_eh_regions): Terminate loop after finding
19444 the last insn in the last basic block.
19446 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19448 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19450 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19452 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19454 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19456 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19457 splitting to not use output template.
19459 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19461 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19462 * config/c4x/c4x.c (c4x_va_start): New function.
19464 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19466 * genrecog.c (not_both_true): Handle correctly cases when called for
19467 tests with different positions in the insn.
19469 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19471 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19473 * system.h (HOST_PTR_PRINTF): ... to here.
19475 * mips-tfile.c: Don't include machmode.h.
19477 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19478 (mips-tfile.o): Don't depend on machmode.h.
19480 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19482 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19483 avoid conflicts with typedef struct `region' at the top level scope.
19485 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19487 * basic-block.h (basic_block): Add eh_beg, eh_end.
19488 * flow.c (entry_exit_blocks): Update.
19489 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19490 Call new functions.
19491 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19492 lists.c functions to allocate insn lists.
19493 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19495 (make_eh_edge): ... here. New.
19496 (move_stray_eh_region_notes): New.
19497 (record_active_eh_regions): New.
19498 (delete_unreachable_blocks): Split out block merging ...
19499 (try_merge_blocks): ... here. New.
19500 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19501 Dump debugging data.
19502 (merge_blocks_move_successor_nojumps): Likewise.
19503 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19505 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19507 * extend.texi (Bound member functions): Document unbound pmf
19510 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19512 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19513 has the EXIT_BLOCK as a dest.
19515 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19517 * flow.c (remove_edge): New function to remove an edge from the
19519 (remove_fake_successors): New function to remove fake successor edges.
19520 (remove_fake_edges): New function to remove all fake edges from the
19522 (add_fake_exit_edges): New function to add fake edges from all blocks
19523 with no successors to the exit block.
19524 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19525 prototypes for new functions.
19527 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19529 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19530 Use Pmode to determine whether to output .dword or .word.
19532 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19534 * tree.c (built_in_filename): New variable.
19535 (BUILT_IN_FILENAME): New macro.
19536 (init_tree_codes): Allocate built_in_filename.
19537 (make_node): Use built_in_filename instead of string constant.
19539 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19541 * configure.in: Add fr30 target.
19542 * configure: Regenerate.
19543 * config/fr30: New directory.
19544 * config/fr30/crti.asm: New file.
19545 * config/fr30/fr30.c: New file.
19546 * config/fr30/crtn.asm: New file.
19547 * config/fr30/fr30.h: New file.
19548 * config/fr30/fr30.md: New file.
19549 * config/fr30/lib1funcs.asm: New file.
19550 * config/fr30/t-fr30: New file.
19551 * config/fr30/xm-fr30.h: New file.
19553 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19555 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19556 BARRIER at the end of the successor, not the BARRIER before
19559 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19561 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19563 * stmt.c (any_pending_cleanups): Don't crash when
19564 current_function->stmt is unset.
19566 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19568 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19569 other initializations that may use it for relative offsets.
19571 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19573 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19574 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19575 * config/i386/sol2dbg.h: Removed.
19576 * config/i386/sol2gas.h: New file, to enable gas work-around.
19577 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19578 Don't use sol2dbg.h.
19579 * configure: Rebuilt.
19581 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19583 * invoke.texi (-fthis-is-variable): Remove documentation.
19585 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19587 * basic-block.h (compute_bb_for_insn): Declare.
19588 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19589 to use; set size of basic_block_for_insn directly.
19590 (find_basic_blocks): Update.
19592 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19594 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19596 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19598 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19599 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19601 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19603 * c-decl.c (c_decode_option): Extend comment.
19605 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19607 * toplev.c (progname): Make 'const char *'
19608 (flag_print_mem): Move out of main.
19609 (version_flag): Move out of main.
19610 (filename): Move out of main.
19611 (debug_args): Remove g prefix from options.
19612 (documented_lang_options): Remove cpplib specific options.
19613 (display_help): Add g prefix to debug options.
19614 (check_lang_option): Delete this function.
19615 (decode_d_option): New function: Decode -d... option.
19616 (decode_f_option): New function: Decode -f... option.
19617 (decode_W_option): New function: Decode -W... option.
19618 (decode_g_option): New function: Decode -g... option.
19619 (independent_decode_option): New function: Decode a language
19620 independent command line option.
19621 (main): Invoke lang_decode_option and then
19622 independent_decode_option on each command line option in
19625 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19627 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19628 * fold-const.c (fold_range_test): Do not try to fold the range
19629 test if the rhs or lhs has side effects.
19631 * basic-block.h (compute_flow_dominators): Declare.
19633 * gcse.c (alloc_code_hoist_mem): New function.
19634 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19635 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19636 (hoist_code, one_code_hoisting_pass): Likewise.
19637 (gcse_main): If optimizing for size, then hoist expressions
19638 computed in multiple dominated basic blocks.
19640 * gcse.c (invalid_nonnull_info): New function.
19641 (delete_null_pointer_checks): Likewise.
19642 * rtl.h (delete_null_pointer_checks): Declare.
19643 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19645 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19646 (merge-blocks_move_successor_nojumps): Likewise.
19647 (merge_blocks): Allow merging of some blocks, even if it requires
19648 physical movement of the blocks, but not if it requires new jumps.
19650 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19651 Callers and prototype changed.
19652 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19654 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19656 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19657 -YP when both -p and -pg are present. From i386/sol2.h.
19659 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19661 * Makefile.in (distclean): Delete tm_p.h.
19662 * configure.in: Create a new file, "tm_p.h", from a list in
19663 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19664 "i386/i386-protos.h".
19666 * alias.c: Include "tm_p.h".
19667 * c-typeck.c: Likewise.
19668 * calls.c: Likewise.
19670 * emit-rtl.c: Likewise.
19671 * explow.c: Likewise.
19672 * expmed.c: Likewise.
19673 * expr.c: Likewise.
19674 * final.c: Likewise.
19675 * flow.c: Likewise.
19676 * fold-const.c: Likewise.
19677 * function.c: Likewise.
19678 * gcse.c: Likewise.
19679 * global.c: Likewise.
19680 * haifa-sched.c: Likewise.
19681 * integrate.c: Likewise.
19682 * jump.c: Likewise.
19683 * local-alloc.c: Likewise.
19684 * loop.c: Likewise.
19685 * optabs.c: Likewise.
19686 * recog.c: Likewise.
19687 * reg-stack.c: Likewise.
19688 * regclass.c: Likewise.
19689 * regmove.c: Likewise.
19690 * reload.c: Likewise.
19691 * reload1.c: Likewise.
19692 * reorg.c: Likewise.
19693 * resource.c: Likewise.
19694 * stmt.c: Likewise.
19695 * stor-layout.c: Likewise.
19696 * toplev.c: Likewise.
19697 * tree.c: Likewise.
19698 * unroll.c: Likewise.
19699 * genattrtab.c (main): Make generated file include "tm_p.h".
19700 * genemit.c (main): Likewise.
19701 * genoutput.c (main): Likewise.
19702 * genrecog.c (main): Likewise.
19704 * i386.h: Delete all prototypes.
19705 * i386.c: Include "tm_p.h".
19706 (ix86_attr_length_default): Call constant_call_address_operand
19707 with correct number of arguments.
19708 * i386-protos.h: New file.
19709 * i386.md (unnamed patterns): Call constant_call_address_operand
19710 with correct number of arguments.
19711 (exception_receiver): Call load_pic_register with correct number
19714 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19716 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19718 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19720 * rtl.h (insns_safe_to_move_p): New function.
19721 * loop.c (find_and_verify_loops): Use it.
19722 * rtlanal.c (insns_safe_to_move_p): Define it.
19724 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19726 * c-pragma.c: Include ggc.h.
19727 * Makefile.in (c-pragma.o): Update.
19729 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19731 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19732 (LIB_SPEC): Likewise.
19733 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19734 Reindent -YP/-p/-pg.
19735 Copied from config/sparc/sol2.h.
19737 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19739 * c-pragma.c (mark_align_stack): New.
19740 (init_pragma): New.
19741 * c-pragma.h (init_pragma): Declare it.
19742 * c-lex.c (init_parse): Call it.
19744 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19746 * configure.in: Pick up thread library on Solaris/x86 just
19747 like on Solaris/sparc.
19748 * configure: Rebuilt.
19750 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19752 * rtl.h (global_rtx_index): New enum.
19753 (global_rtl): Change to array of rtx.
19754 (pc_rtx, cc0_rtx): Redefine accordingly.
19755 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19756 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19757 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19758 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19759 (const_int_rtx): Change to array of rtx.
19760 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19762 * emit-rtl.c (global_rtl): Change to array of rtx.
19763 (const_int_rtx): Change to aray of rtx.
19764 (gen_rtx_CONST_INT): Redefine accordingly.
19765 (init_emit_once): Allocate and initialize global_rtl. Likewise
19766 for const_int_rtx. Add both as GC roots.
19767 * genattrtab.c (global_rtl): Update declaration.
19769 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19771 * Makefile (USER_H): Add iso646.h back.
19773 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19775 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19776 zapping the LOG_LINKS of sched_before_next_call.
19778 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19779 * pa.c (insn_refs_are_delayed): Renamed from
19780 insn_sets_and_refs_are_delayed.
19782 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19784 * functiion.h (struct function): Add x_whole_function_mode_p.
19785 (retrofit_block): Declare.
19786 * function.c (retrofit_block): New function.
19787 (identify_blocks): Add assertions. Allow an incomplete set of
19788 block notes if we're still generating code for the function.
19789 * integrate.c: Include loop.h.
19790 (expand_inline_function): Call find_loop_tree_blocks to map block
19791 notes to blocks when in whole-function mode. Use retrofit_block
19792 to insert new BLOCKs for the inlined function, rather than
19794 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19795 * Makefile.in (integrate.o): Depend on loop.h.
19797 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19799 * tree.h (warn_about_unused_variables): Declare.
19800 * stmt.c (warn_about_unused_variables): New function, split out
19802 (expand_end_bindings): Here.
19804 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19806 * stmt.c (preserve_subexpressions_p): Don't crash when
19807 current_function->stmt is unset.
19809 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19811 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19812 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19813 (expand_start_target_temps): Use it.
19814 * except.c (expand_eh_region_start_for_decl): Likewise.
19815 * expr.c (expand_expr): Likewise.
19817 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19819 * fold-const.c (operand_equal_p): Pay attention to side effects.
19821 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19823 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19824 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19826 * tlink.c (scan_linker_output): Look for keywords before accepting
19827 a mangled name in quotes.
19829 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19831 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19832 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19834 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19836 * alpha.md: Revert Thu Nov 26 change that came in through the
19837 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19838 Avoid earlyclobber when possible.
19840 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19842 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19844 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19845 Define HAVE_ON_EXIT.
19847 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19849 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19850 CTYPE_CONV in all ctype macros.
19852 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19855 * cexp.y (initialize_random_junk): Likewise.
19857 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19859 * i370.c (handle_pragma): Likewise.
19861 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19863 * v850.c (override_options): Likewise.
19865 * doprint.c (_doprnt): Likewise.
19867 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19870 * fixinc/server.c (load_data): Likewise.
19872 * fold-const.c (real_hex_to_f): Likewise.
19874 * genattr.c (write_upcase, gen_attr): Likewise.
19876 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19877 write_upcase): Likewise.
19879 * genemit.c (print_code): Likewise.
19881 * genopinit.c (gen_insn): Likewise.
19883 * genpeep.c (print_code): Likewise.
19885 * genrecog.c (print_code): Likewise.
19887 * optabs.c (init_libfuncs): Likewise.
19889 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19891 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19893 (reemit_notes): Likewise.
19895 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19897 * ggc.h (ggc_root): Move to ggc-common.c.
19899 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19900 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19901 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19902 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19903 * ggc-common.c (ggc_root): Move from ggc.h.
19904 (roots): Declare, static.
19905 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19906 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19907 null or check/set mark bit.
19908 (ggc_mark_roots): New.
19909 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19911 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19913 * m32r.c: Include toplev.h.
19914 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19915 (gen_compare): Rename swap_p to must_swap to match uses.
19916 Add default abort case.
19917 (m32r_output_function_epilogue): Remove unused variables.
19918 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19919 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19920 define to empty parameter list. Update all uses.
19921 (predicate decls): Use enum machine_mode not int.
19922 * m32r.md (movsi): Call abort, not fatal_insn.
19923 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19925 1999-09-14 Andrew Haley <aph@cygnus.com>
19927 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19928 use $0 instead of 0.
19930 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19932 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19933 computation out of loop over hard regs.
19935 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19937 * function.c (identify_blocks): Don't shadow a variable in an
19939 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19940 pushdecl, or poplevel to build up the new BLOCK tree.
19941 (expand_inline_function): Likewise.
19942 (integrate_parm_decls): Likewise.
19944 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19946 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19948 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19950 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19951 * invoke.texi: Document this change.
19953 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19955 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19957 (mark_emit_status): Renamed from mark_emit_state.
19958 * except.c (mark_eh_status): Renamed from mark_eh_state.
19959 Check not null before marking.
19960 (free_eh_status): New.
19961 * expr.c (mark_expr_status, free_expr_status): New.
19962 * function.c (free_machine_status): New.
19963 (free_after_parsing): New.
19964 (free_after_compilation): Move bits to free_after_parsing; call
19965 free_eh_status, free_expr_status; zero the marked members of the
19967 (prepare_function_start): No can_garbage_collect.
19968 Call init_eh_for_function.
19969 (expand_dummy_function_end): Free up current_function state.
19970 (mark_function_status): Renamed from mark_function_state.
19971 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19972 * function.h (struct function): No can_garbage_collect.
19973 (free_machine_status, free_after_parsing): Declare.
19974 (free_eh_status, free_expr_status): Declare.
19975 * ggc.h (mark_expr_status): Declare.
19976 * stmt.c (free_stmt_status): Free the struct.
19977 (mark_stmt_status): Renamed from mark_stmt_state.
19978 (init_stmt): Don't call init_eh.
19979 (init_stmt_for_function): Don't call init_eh_for_function.
19980 * toplev.c (compile_file): Call init_eh.
19981 (rest_of_compilation): Free basic block info before ggc_collect.
19982 Call free_after_parsing; conditionally call free_after_compilation.
19983 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19984 Check not null before marking.
19985 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19987 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19989 * c-lex.c (yylex): Initialize warn.
19991 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19993 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19994 register when performing secondary reloads for the SAR register.
19996 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19998 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19999 (NOTE_BLOCK): New macro.
20000 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
20001 * function.h (identify_blocks): Change prototype.
20002 * function.c (identify_blocks): Simplify.
20003 (reorder_blocks): Likewise.
20004 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
20005 NOTE_INSN_BLOCK_{BEG,END}.
20006 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
20007 the list of saved notes if the note isn't a
20008 NOTE_INSN_BLOCK_{BEG,END}.
20009 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
20011 (reemit_notes): Adjust recreation of notes to reflect new saved
20013 * print-rtl.c (print_rtx): Print the address of the BLOCK when
20014 printing a block note.
20015 * stmt.c (block_vector): Remove.
20016 (find_loop_tree_blocks): Simplify.
20017 (unroll_block_trees): Likewise.
20018 * tree.h (reorder_block): Change prototype.
20020 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
20022 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
20023 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
20024 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
20025 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
20026 (atexit, exit): Simplify.
20027 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
20028 * config/lots: Remove defns of HAVE_ATEXIT.
20030 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
20032 * calls.c (precompute_arguments): Fix typo in comment.
20033 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
20036 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
20038 * dsp16xx.c (override_options): Fix typos in GC root registration.
20040 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
20042 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
20043 from config/svr4.h.
20044 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
20045 (FUNCTION_PROFILER): Redefine appropriately for Linux.
20046 (CC1_SPEC): Likewise.
20048 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20050 * genattr.c (main): Add extern prototype. Call return, not exit.
20051 * genattrtab.c (main): Likewise.
20052 * gencheck.c (main): Likewise.
20053 * gencodes.c (main): Likewise.
20054 * genconfig.c (main): Likewise.
20055 * genemit.c (main): Likewise.
20056 * genextract.c (main): Likewise.
20057 * genflags.c (main): Likewise.
20058 * gengenrtl.c (main): Likewise.
20059 * genopinit.c (main): Likewise.
20060 * genoutput.c (main): Likewise.
20061 * genpeep.c (main): Likewise.
20062 * genrecog.c (main): Likewise.
20064 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
20065 * genattrtab.c (get_insn_name): Likewise.
20066 * gencodes.c (get_insn_name): Likewise.
20067 * genconfig.c (get_insn_name): Likewise.
20068 * genemit.c (get_insn_name): Likewise.
20069 * genextract.c (get_insn_name): Likewise.
20070 * genflags.c (get_insn_name): Likewise.
20071 * genopinit.c (get_insn_name): Likewise.
20072 * genpeep.c (get_insn_name): Likewise.
20074 * gencheck.c (usage): Add static prototype.
20075 * genextract.c (print_path): Constify a char*.
20076 * genopinit.c (optabs): Likewise.
20077 * genoutput.c (operand_data, data, output_predicate_decls,
20078 compare_operands): Likewise.
20079 * genrecog.c (write_tree): Add default case in switch.
20081 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20083 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
20085 * print-rtl.c (get_insn_name): Remove prototype.
20087 * toplev.h (progname): Declare const.
20089 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
20090 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
20091 dump_sched_info, dump_local_alloc, regset_release_memory,
20092 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
20093 error_with_file_and_line, error_with_decl, error_for_asm, error,
20094 fatal, warning_with_file_and_line, warning_with_decl, warning,
20095 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
20096 Remove redundant prototypes.
20098 (notice, check_lang_option, report_file_and_line, vnotice,
20099 mark_file_stack): Add static prototype.
20100 (set_fatal_function): Add prototype.
20101 (vnotice, report_file_and_line, set_fatal_function,
20102 check_lang_option): Constify a char*.
20103 (main): Prototype. Call return, not exit.
20105 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20107 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
20109 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
20111 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
20113 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
20115 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20117 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
20118 behave as if it's zero in all cases.
20119 (expand_function_start): Adjust call to assign_parms.
20120 * tree.h (assign_parms): Adjust prototype.
20121 * objc/objc-act.c (hack_method_prototype): Adjust call to
20124 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
20126 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
20127 arg_pointer_rtx fixed if the argument pointer register is
20129 (NONZERO_BASE_PLUS_P): Likewise.
20131 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
20133 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
20134 match_insn2 to match_insn.
20135 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
20137 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
20139 * Makefile.in (USER_H): Remove va-foo.h.
20141 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
20142 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
20143 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
20144 va-spur.h,va-v850.h}: Remove.
20146 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
20148 * sparc/sparc.md (eligible_for_return_delay): New attribute.
20149 (in_return_delay): Use it instead of match_insn.
20151 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20153 * config/alpha/va_list.h (va-alpha.h): Do not include.
20154 (__gnuc_va_list): Typedef as in varargs.h.
20156 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
20158 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
20159 DECL_LIVE_RANGE_RTL.
20161 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
20163 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
20164 not NOTE_BLOCK_NUMBER.
20165 (expand_eh_region_end): Likewise.
20166 (find_exception_handler_labels): Likewise.
20167 (scan_region): Likewise.
20168 (exception_optimize): Likewise.
20169 (update_rethrow_references): Likewise.
20170 (set_insn_eh_region): Likewise.
20171 * final.c (final_scan_insn): Likewise.
20172 * flow.c (make_edges): Likewise.
20173 * integrate.c (expand_inline_function): Likewise.
20174 * print-rtl.c (print_rtx): Likewise.
20176 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
20178 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
20179 terms of builtin functions and types.
20181 * mips.c (mips_build_va_list): New.
20182 (mips_va_start, mips_va_arg): New.
20183 * mips.h (BUILD_VA_LIST_TYPE): New.
20184 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20186 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
20187 (sh_build_va_list, sh_va_start, sh_va_arg): New.
20188 * sh.h (BUILD_VA_LIST_TYPE): New.
20189 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
20191 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
20193 * recog.h (struct recog_data): Make dup_num, operand_address_p,
20194 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
20195 (struct insn_data): Likewise with n_operands, n_dups,
20196 n_alternatives, output_format.
20197 * regclass.c (scan_one_insn): Cast n_operands to int before
20198 arithmetic inside comparison.
20200 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
20202 * toplev.c (compile_function): Unconditionally emit nop.
20204 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20206 * haifa-sched.c (actual_hazard): Move declaration of variable
20207 `this_cost' into the scope where it is used.
20209 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20211 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
20212 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
20213 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
20215 * genrecog.c (make_insn_sequence): Call memset, not bzero.
20217 * jump.c (find_insert_position): Don't declare or define unless
20218 !HAVE_conditional_arithmetic.
20219 (returnjump_p_1, delete_prior_computation): Add static prototypes.
20221 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20223 * recog.c (offsettable_address_p): Prototype function pointer.
20224 (preprocess_constraints): Call memset, not bzero.
20226 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20227 (gcc_obstack_init): Don't declare.
20228 (fix_sizetype): Add static prototype.
20229 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20230 (tree_cons): Call memset, not bzero.
20232 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20233 definition in macro ASM_WEAKEN_LABEL.
20234 (mark_const_hash_entry): Add static prototype.
20236 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20238 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20240 * unroll.c (find_common_reg_term, subtract_reg_term,
20241 loop_find_equiv_value): Add static prototypes.
20242 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20243 (copy_loop_body): Remove unreachable break statement.
20245 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20247 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20249 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20251 Undo some changes from the gcc2 merge:
20252 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20253 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20257 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20258 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20259 initialized float-int union if the value is a NaN.
20261 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20263 * gthr-win32.h: New file.
20265 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20266 shared as a valid attribute.
20267 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20268 * extend.texi: Document `shared' variable attribute.
20270 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20272 * configure.in: Handle --enable-threads on FreeBSD.
20273 * configure: Rebuit.
20275 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20277 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20279 * configure: Rebuilt.
20281 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20282 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20283 Rosimildo DaSilva <rdasilva@connecttel.com>
20285 * configure.in (m68k-*-rtemscoff*): Added.
20286 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20287 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20288 sparc-rtems configuration.
20289 * configure.in (sparc-*-rtemself*): Added.
20290 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20291 * config/i386/rtems.h: Added comment.
20292 * config/sparc/rtemself.h: New file.
20294 * configure.in (m68k-rtemself): Added.
20295 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20296 and DWARF_DEBUGGING_INFO.
20297 * config/m68k/crti.s: New file.
20298 * config/m68k/crtn.s: New file.
20299 * config/m68k/t-crtstuff: New file.
20300 * config/m68k/rtemself.h: New file.
20302 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20303 global ctor/dtor and C++ exception handling.
20304 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20305 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20307 * config/i386/t-rtems-i386: New File.
20309 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20311 * stmt.c (expand_end_case): Return right away if the case stack is
20314 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20316 * Makefile.in (version.c): Remove rule incorrectly brought in from
20319 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20321 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20322 * msdos/top.sed: Take into account a prepended $(SHELL) to
20324 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20326 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20328 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20330 * regmove.c (fixup_match_1): Don't change an unchanging register.
20331 (stable_but_for_p): Renamed to:
20332 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20333 Changed all callers.
20335 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20337 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20338 insn from BL2 is after the insn from BL.
20340 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20342 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20343 (struct insn_data): Merge `template' and `outfun' into `output'.
20344 Add `output_format'.
20345 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20346 (struct data): Remove `outfun'; add `output_format'.
20347 (name_for_index): Remove declaration.
20348 (output_insn_data): Handle output formats.
20349 (process_template): Emit the bare array for @.
20350 (gen_expand, gen_split): Set output_format to NONE.
20351 * output.h (get_insn_template): Declare.
20352 * final.c (get_insn_template): New.
20353 (final_scan_insn): Use it.
20354 * toplev.c (compile_file): Likewise.
20356 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20357 * i860/i860.c (output_delayed_branch): Likewise.
20358 (output_delay_insn): Likewise.
20360 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20362 * rtl.c (obstack_alloc_rtx): Removed.
20364 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20366 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20368 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20370 * i386.c (call_insn_operand): Reject const_int.
20371 (expander_call_insn_operand): Use call_insn_operand.
20373 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20375 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20377 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20379 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20380 Use DImode operation.
20382 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20384 * gcc.c: Include sys/resource.h.
20385 (report_times): New flag.
20386 (execute): If report_times is set, calculate and report the
20387 CPU time consumed by each subprocess.
20389 (rus, prus): New globals.
20390 (option_map): Add --time.
20391 (display_help): Document -time.
20392 (process_command): Set report_times if -time is given.
20393 Turn off -pipe if -time is given.
20395 * invoke.texi: Document new option -time.
20397 * configure.in: Check for getrusage. Check if we have to
20398 prototype getrusage.
20399 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20400 * configure: Regenerate.
20401 * config.in: Regenerate.
20403 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20405 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20408 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20410 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20411 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20412 (nan): Return _thenan_sf or _thenan_df as appropriate.
20413 (L_thenan_sf): Define _thenan_sf.
20414 (L_thenan_df): Define _thenan_df.
20416 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20417 (DPBIT_FUNCS): Add _thenan_df.
20419 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20421 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20424 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20426 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20429 (lang_specific_driver): Don't take a function pointer parameter.
20430 All callers changed.
20432 * gcc.c: Include gcc.h.
20433 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20434 lang_specific_extra_outfiles, fatal): Don't declare.
20435 (multilib_defaults_raw): Constify.
20436 (read_specs): Call memset, rather than bzero.
20437 (main): Call return, not exit.
20438 (lookup_compiler): Call memcpy, not bcopy.
20439 (fatal): Make extern.
20441 * cppspec.c: Include gcc.h.
20442 (lang_specific_driver): Initialize variable `quote'. Constify a
20443 char*. All calls to the function pointer parameter now
20444 explicitly call `fatal'.
20446 * gccspec.c (lang_specific_driver): Include gcc.h.
20448 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20450 * arm.c (note_invalid_constants): Use recog_data.operand_type
20453 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20455 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20458 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20459 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20460 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20461 reload_secondary_in_reload, reload_secondary_out_reload,
20462 reload_secondary_in_icode, reload_secondary_out_icode,
20463 reload_reg_rtx, reload_when_needed): Delete declarations.
20464 (struct reload): New structure.
20465 (rld): Declare new array.
20466 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20467 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20468 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20469 reload_secondary_in_reload, reload_secondary_out_reload,
20470 reload_secondary_in_icode, reload_secondary_out_icode,
20471 reload_reg_rtx, reload_when_needed): Delete definitions.
20473 (whole file): Replace uses of the deleted arrays with uses of rld.
20474 * reload1.c (whole file): Replace uses of the deleted arrays with
20476 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20477 explicit loops, not with bcopy.
20479 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20481 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20482 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20483 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20484 insn_name): Delete and consolidate into new structures.
20485 (insn_operand_predicate_fn): New.
20486 (insn_output_fn): New.
20487 (insn_gen_fn): New.
20488 (struct insn_operand_data): New.
20489 (struct insn_data): New.
20491 (OUT_FCN): Update for insn_data change.
20492 * builtins.c (expand_builtin_strlen): Likewise.
20493 (expand_builtin_memcmp): Likewise.
20494 * combine.c (make_extraction, simplify_comparison): Likewise.
20495 * cse.c (canon_reg, cse_insn): Likewise.
20496 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20497 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20498 (emit_store_flag): Likewise.
20499 * expr.c (convert_move, emit_block_move): Likewise.
20500 (clear_storage, emit_push_insn, expand_increment): Likewise.
20501 (do_store_flag): Likewise.
20502 * expr.h (GEN_FCN): Likewise.
20503 (insn_gen_function): Die.
20504 * final.c (final_scan_insn): Update for insn_data change.
20505 (output_asm_name): Likewise.
20506 * function.c (fixup_var_refs_1): Likewise.
20507 * loop.c (check_dbra_loop): Likewise.
20508 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20509 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20510 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20511 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20512 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20513 * regmove.c (gen_add3_insn): Likewise.
20514 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20515 (find_reloads, find_reloads_address_1): Likewise.
20516 (debug_reload_to_stream): Likewise.
20517 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20518 * stmt.c (expand_end_case): Likewise.
20519 * toplev.c (compile_file): Likewise.
20521 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20522 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20524 * print-rtl.c (insn_name_ptr): Remove declaration.
20525 (get_insn_name): Declare.
20526 (print_rtx): Use it.
20527 * genoutput.c (insn_name_ptr): Remove.
20528 (next_operand_number): New.
20529 (struct operand_data): New.
20530 (null_operand, odata, odata_end): New.
20531 (struct data): Use struct operand_data.
20532 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20533 (get_insn_name): Renamed from name_for_index.
20534 (output_prologue): Define NO_MD_PROTOTYPES.
20535 (output_predicate_decls): Break out from output_epilogue.
20536 Iterate over the operands list.
20537 (output_operand_data): Break out from output_epilogue. Emit
20538 just the operands list.
20539 (output_insn_data): Break out from output_epilogue. Emit just
20541 (output_epilogue): Remove.
20542 (output_get_insn_name): New.
20543 (constraints, op_n_alternatives, predicates, address_p): Die.
20544 (modes, strict_low, seen): Die.
20545 (scan_operands): Take new param `d' instead of writing to
20546 seven global variables.
20547 (compare_operands): New.
20548 (place_operands): New.
20549 (validate_insn_alternatives): Update for struct data change.
20550 (gen_insn): Don't zero or copy 7 global arrays. Update for
20551 scan_operands; call place_operands.
20552 (gen_peephole, gen_expand, gen_split): Likewise.
20553 (main): Update for new output routines.
20555 * genattr.c (insn_name_ptr): Remove.
20556 (get_insn_name): New function.
20557 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20558 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20559 * genrecog.c: Likewise.
20561 * alpha.md (adddi3): Make `pattern' array static.
20563 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20565 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20566 c4x_cpu_version_string): Constify char *.
20567 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20568 c4x_cpu_version_string): Likewise.
20570 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20572 * tree.c (save_tree_status): Revert 10 Sep change.
20573 (restore_tree_status): Likewise. Call obstack_free with NULL
20574 before freeing the obstack proper.
20576 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20578 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20580 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20581 surrounding context.
20583 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20585 * tree.c (type_hash_canon): Put all types in the hash-table, when
20588 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20590 * recog.h (struct recog_data, recog_data): New.
20591 (recog_foo variables): Kill.
20592 * recog.c (recog_operand, recog_operand_loc): Kill.
20593 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20594 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20595 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20596 (recog_data): Define.
20597 (extract_insn): Update all recog_foo references to use recog_data.
20598 (preprocess_constraints, constrain_operands): Likewise.
20599 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20600 * genattrtab.c (main): Likewise.
20601 * genextract.c (main): Likewise.
20602 * genoutput.c: Likewise.
20603 * genrecog.c (write_subroutine, main): Likewise.
20604 * local-alloc.c (block_alloc): Likewise.
20605 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20606 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20607 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20608 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20609 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20610 (reload_cse_simplify_operands): Likewise.
20612 * arc/arc.c (arc_final_prescan_insn): Likewise.
20613 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20614 * h8300/h8300.c (notice_update_cc): Likewise.
20615 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20616 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20617 * mn10200/mn10200.c (notice_update_cc): Likewise.
20618 * mn10300/mn10300.c (notice_update_cc): Likewise.
20619 * romp/romp.c (update_cc): Likewise.
20620 * sparc/sparc.c (check_pic): Likewise.
20621 * v850/v850.c (notice_update_cc): Likewise.
20623 * genemit.c (main): Don't declare recog_operand.
20625 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20627 * ggc.h (rtvec_def): Forward declare.
20628 (tree_node): Likewise.
20629 (ggc_root): Define.
20631 (ggc_set_mark_rtx): Add prototype.
20632 (ggc_set_mark_rtvec): Likewise.
20633 (ggc_set_mark_tree): Likewise.
20634 * ggc-simple.c (ggc_root): Don't define.
20635 (roots): Don't declare.
20636 (ggc_mark_rtx): Remove.
20637 (ggc_mark_rtvec): Likewise.
20638 (ggc_mark_tree): Likewise.
20639 (ggc_mark_varray): Likewise.
20640 (ggc_mark_tree_hash_table_entry): Likewise.
20641 (ggc_mark_tree_hash_table): Likewise.
20642 (ggc_set_mart_rtx): New function.
20643 (ggc_set_mark_rtvec): Likewise.
20644 (ggc_set_mark_tree): Likewise.
20645 (ggc_add_root): Remove.
20646 (ggc_add_rtx_root): Likewise.
20647 (ggc_remove_tree_root): Likewise.
20648 (ggc_add_string_root): Likewise.
20649 (ggc_add_tree_varray_root): Likewise.
20650 (ggc_add_tree_hash_table_root): Likewise.
20651 (ggc_del_root): Likewise.
20652 (ggc_mark_rtx_ptr): Likewise.
20653 (ggc_mark_tree_ptr): Likewise.
20654 (ggc_mark_string_ptr): Likewise.
20655 (ggc_mark_tree_varray_ptr): Likewise.
20656 (ggc_mark_tree_hash_table_ptr): Likewise.
20657 * ggc-common.c: New file.
20658 * Makefile.in (OBJS): Add ggc-common.o.
20659 (ggc-common.o): List dependencies.
20661 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20663 * cppalloc.c (xstrdup): Use memcpy.
20664 * cpperror.c (cpp_print_containing_files): Don't use
20666 * cpplib.c (conditional_skip): Set temp->lineno.
20667 (do_endif): Make error message less obscure.
20668 (if_directive_name): New function.
20669 (cpp_get_token [case EOF]): Unwind the if stack and generate
20670 error messages for each unterminated conditional in this file.
20671 (parse_string): Do not behave differently if -traditional.
20673 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20675 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20676 va_list decomposing to pointer-type.
20677 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20678 (rs6000_va_arg): Likewise.
20680 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20682 * except.c (start_dynamic_handler): Compute size using
20683 STACK_SAVEAREA_MODE.
20685 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20687 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20688 include directory headers. Don't define strrchr. Don't provide
20689 my_* replacement functions. Prefer PTR over `pointer_type'.
20690 Don't prototype system functions. Don't redefine getopt.
20692 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20693 safe_read, safe_write, save_pointers, restore_pointers,
20694 is_id_char, in_system_include_dir, directory_specified_p,
20695 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20696 find_corresponding_lparen, referenced_file_is_newer,
20697 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20698 process_aux_info_file, identify_lineno, check_source,
20699 seek_to_line, forward_to_next_token_char, output_bytes,
20700 output_string, output_up_to, other_variable_style_function,
20701 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20702 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20703 find_static_definition, connect_defs_and_decs, add_local_decl,
20704 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20705 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20706 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20707 scan_for_missed_items, edit_file, string_list_cons): Add static
20709 (standard_exec_prefix, target_machine, target_version,
20710 default_syscalls_dir, string_list, string_list_cons, find_file,
20711 do_cleaning): Constify a char*.
20712 (safe_read, safe_write): Use PTR, not a char*.
20713 (is_id_char): Take an int, not a char.
20714 (main): Add prototype. Call return, not exit.
20716 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20718 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20719 when comparing types.
20721 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20723 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20724 (strength_reduce): Release the varrays from the no-bivs early exit.
20726 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20727 the loop over the registers.
20729 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20731 (restore_tree_status): Check that instead when freeing the obstack.
20733 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20735 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20738 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20740 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20741 operand size modifiers.
20743 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20745 * c-common.c (c_common_nodes_and_builtins): Don't build
20747 * c-common.h (enum c_tree_index and related accesor macros): Remove
20748 everything now declared in tree.h.
20749 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20750 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20751 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20752 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20753 unsigned_type_node, ptr_type_node, va_list_type_node,
20754 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20755 (init_decl_processing): Call build_common_tree_nodes and
20756 build_common_tree_nodes_2 instead of building their nodes here.
20757 Don't add roots for these nodes.
20758 * stor-layout.c (size_zero_node, size_one_node): Delete.
20759 (set_sizetype): Make a new node for bitsizetype each time.
20760 * tree.c (global_trees): New variable.
20761 (init_obstacks): Add a gc root for it.
20762 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20763 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20764 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20765 (build_common_tree_nodes): New function.
20766 (fix_sizetype): New function.
20767 (build_common_tree_nodes_2): New function.
20768 * tree.h (enum tree_index): New.
20769 (global_trees): Declare.
20770 Add accessor macros for all nodes now moved to global_trees.
20771 Delete their declarations.
20773 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20775 * c-decl.c (finish_function): When processing a nested function,
20776 push and pop GC context around rest_of_compilation.
20778 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20780 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20781 Default ix86_arch to PROCESSOR_I386.
20782 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20783 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20784 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20785 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20786 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20787 (EXTRA_SPECS): Remove deleted specs.
20789 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20791 * function.c (assign_stack_local_1): Allocate from
20792 function->x_frame_offset, not frame_offset.
20794 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20796 * ggc.h (lang_cleanup_tree): Remove.
20797 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20798 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20800 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20801 TYPE_LANG_SPECIFIC when garbage collecting.
20802 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20803 (lang_cleanup_tree): Remove.
20805 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20807 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20808 * crtstuff.c: Not here.
20809 * dwarf2out.c: Or here.
20810 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20813 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20815 * function.h (free_after_compilation): Remove decl parameter.
20816 (free_varasm_status0: Likewise.
20817 (free_emit_status): Likewise.
20818 (free_stmt_status): Likewise.
20819 (free_after_compilation): Likewise.
20820 (init_lang_status): New variable.
20821 (free_lang_status): Likewise.
20822 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20823 * function.c (init_lang_status): New variable.
20824 (free_lang_status): Likewise.
20825 (push_function_context_to): Don't set function::decl here.
20826 (free_after_copmilation): Make decl parameter implicit. Call
20827 free_lang_status if defined.
20828 (prepare_function_start): Call init_lang_status if defined.
20829 (init_function_start): Set function::decl here.
20830 * profile.c (output_func_start_profiler): Don't call pushdecl
20831 until we've actually started the function.
20832 * stmt.c (free_stmt_status): Make decl parameter implicit.
20833 * toplev.c (rest_of_compilation): Don't pass decl to
20834 free_after_compilation.
20835 * varasm.c (free_varasm_status): Likewise.
20837 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20839 * except.c (call_get_eh_context): Add root when allocating static
20842 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20844 * arm.c: Include "ggc.h".
20845 (arm_add_gc_roots): New function.
20846 (arm_override_options): Call it.
20847 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20849 * arm.md (define_asm_attributes): Add a pool_range attribute.
20851 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20853 * extend.texi (Volatiles): New node.
20855 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20857 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20858 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20859 (struct ggc_any): Replace `mark' with `magic_mark'.
20860 (ggc_alloc_string): Use memcpy, not bcopy.
20861 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20862 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20863 (ggc_free_any): New.
20864 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20865 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20866 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20867 Use IS_MARKED. Use ggc_free_any.
20869 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20871 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20873 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20875 * toplev.c (main): Always init_ggc.
20877 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20879 * except.c (find_all_handler_type_matches): Free the list if
20880 we found no matches.
20882 * combine.c (SUBST): Break out to a real function do_SUBST.
20883 (SUBST_INT): Likewise.
20884 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20885 (pre_insert): Free `inserted'.
20886 * loop.c (basic_induction_var): Always set `location'.
20888 * function.c (expand_function_end): Add initial_trampoline as a root.
20889 * rtl.h (init_varasm_once): Declare.
20890 * toplev.c (compile_file): Call it.
20891 * ggc-simple.c (ggc_mark_string_ptr): New.
20892 (ggc_add_string_root): New.
20893 (ggc_collect): Disable collection avoidance temporarily.
20894 * ggc.h (ggc_add_string_root): Declare.
20895 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20896 * optabs.c (init_libfuncs): Likewise.
20897 * varasm.c (named_section): Use ggc_alloc_string.
20898 (make_function_rtl): Likewise.
20899 (make_decl_rtl): Likewise.
20900 (assemble_static_space): Likewise.
20901 (assemble_trampoline_template): Likewise.
20902 (output_constant_def): Likewise.
20903 (force_const_mem): Likewise.
20904 (mark_const_hash_entry): New.
20905 (mark_pool_sym_hash_table): New.
20906 (mark_varasm_state): Use it.
20907 (init_varasm_once): New.
20909 * expr.h (init_one_libfunc): Declare.
20910 * optabs.c (init_one_libfunc): New.
20911 (init_optabs): Use it.
20912 * config/gofast.h: Likewise.
20913 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20914 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20916 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20918 * Makefile.in (cppexp.o): Depend on cpphash.h.
20919 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20921 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20922 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20923 redefining poisoned identifiers, etc.
20924 (do_undef): Don't allow poisoned identifiers to be undefined.
20925 (do_pragma): Add #pragma poison.
20926 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20928 * cccp.c: Add T_POISON node type.
20929 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20931 (do_define): Generalise to handle poisoned definitions,
20932 redefining poisoned identifiers, etc.
20933 (do_undef): Don't allow poisoned identifiers to be undefined.
20934 (do_pragma): Add #pragma poison.
20935 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20937 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20938 * c-pragma.h: Add ps_poison state. We now always have generic
20941 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20943 * ggc.h (ggc_alloc): New function.
20944 (ggc_mark): Likewise.
20945 * ggc-simple.c (ggc_any): New structure.
20946 (ggc_status): Add anys.
20947 (n_anys_collected): New variable.
20948 (ggc_alloc): Define.
20949 (ggc_mark): Likewise.
20950 (ggc_collect): Collect the anys.
20952 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20954 * c-decl.c (mark_binding_level): Make static to match prototype.
20956 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20958 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20960 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20962 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20963 will use into account. Expand the max width to 5.
20966 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20968 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20969 for the rtx length.
20971 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20973 * alpha.md (call value patterns): Remove the result predicates.
20975 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20977 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20980 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20982 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20983 changed from extern char *, to extern PTR. Also fix typo in
20984 NEED_DECLARATION_REALLOC test.
20986 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20988 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20990 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20991 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20992 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20993 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20995 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20997 * cccp.c (pcfinclude): Likewise.
20999 * global.c (allocno_compare): Likewise.
21001 * haifa-sched.c (rank_for_schedule): Likewise.
21003 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
21005 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
21007 * stupid.c (stupid_reg_compare): Likewise.
21009 * tree.c (_obstack_allocated_p): Likewise.
21011 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
21013 1999-09-08 Bruce Korb autogen@linuxbox.com
21015 * Makefile.in: Give the hapless gperf user a hint about
21016 why "gperf -F" fails.
21018 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
21020 * lists.c: Include ggc.h.
21022 (init_EXPR_INSN_LIST_cache): Install it.
21024 * ggc-simple.c (init_ggc): Absorb the old init.
21025 (ggc_push_context): Use xcalloc.
21026 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
21027 (ggc_collect): Add [rvts] tags to the collection stats.
21029 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
21031 * cccp.c (main): Fix handling of -include and -imacros options.
21033 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
21035 * cpplib.c (cpp_push_buffer): Fix order of arguments.
21037 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21039 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
21042 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21044 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
21045 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
21046 and SET_DEST. Update comment.
21048 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21050 * config/c4x/c4x.c: Include ggc.h.
21051 (c4x_add_gc_roots): New function.
21052 (c4x_override_options): Call c4x_add_gc_roots.
21054 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
21056 * defaults.h (TARGET_ESC): Move ...
21057 * system.h: ... here, where Linas had it in the first place. Silly me.
21059 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
21061 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
21062 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
21063 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
21064 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
21065 * defaults.h (TARGET_ESC): Add default.
21067 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
21069 * configure.in: add i370-*-openedition, i370-*-mvs and
21070 i370-*-linux targets
21072 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
21074 * dsp16xxx.c: Include ggc.h
21075 (override_options): Mark GC roots.
21076 * mn10200.c: Include ggc.h.
21077 (asm_file_start): Mark GC roots.
21078 * tahoe.c: Include ggc.h.
21079 (extensible_operand): Mark GC roots.
21081 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
21083 * README: Add section discussing status of ELF ABI.
21084 * i370.c: Fix misc spelling mistakes.
21085 (i370_label_scan): Updated notes, exception handling.
21086 (i370_function_prolog): Simplify ELF stack handling.
21087 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
21088 (STACK_GROWS_DOWNWARD): ELF stack grows down.
21089 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
21090 * i370.md: (movdi): Add notes.
21091 (floatsidf2): Use stack not rtca for scratch float area.
21092 (iorsi3): Correct operand constraints.
21093 * x-oe: Restore TAROUTOPTS which are used by pax.
21095 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
21097 * rs6000.c: Include ggc.h.
21098 (rs6000_add_gc_roots): New function.
21099 (override_options): Call it.
21101 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
21103 * alpha.h (alpha_compare): New.
21104 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
21105 * alpha.c: Likewise for the definitions.
21106 (alpha_emit_conditional_branch): Update for alpha_compare.
21107 (alpha_emit_conditional_move): Likewise.
21108 * alpha.md (cmpdf, cmpdi): Likewise.
21109 (setcc patterns): Likewise. Zero alpha_compare after use.
21110 (sne): Optimize (x != 0) into (0U < x).
21112 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
21114 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
21115 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
21116 (INIT_EXPANDERS): Remove.
21117 * alpha.c: Include ggc.h.
21118 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
21119 (alpha_init_machine_status, alpha_mark_machine_status): New.
21120 (override_options): Install them.
21121 (struct machine_function): Moved to alpha.h.
21122 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
21123 (alpha_init_expanders): Remove.
21124 (alpha_return_addr): Adjust to use current_function->machine.
21125 (alpha_ra_ever_killed): Likewise.
21126 (alpha_expand_epilogue): Likewise.
21127 * alpha.md (eh_epilogue): Likewise.
21129 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
21130 Melissa O'Neill <oneill@cs.sfu.ca>
21131 Geoffrey Keating <geoffk@cygnus.com>
21133 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
21134 call-used registers (call-saved registers must still be contiguous
21135 and end with r31, of course).
21137 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
21139 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
21140 (self_promoting_type_p): Delete.
21141 (self_promoting_args_p): Move ...
21142 * c-common.c: ... here.
21143 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
21144 (simple_type_promotes_to): New.
21145 * builtins.c (lang_type_promotes_to): New.
21146 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
21147 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
21148 * c-common.h: ... here.
21149 (self_promoting_args_p, simple_type_promotes_to): Declare.
21150 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
21151 (grokdeclarator): Likewise.
21152 * tree.h (lang_type_promotes_to): Declare.
21154 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
21156 Add some machine-dependent GC roots.
21157 * sparc.c: Include ggc.h.
21158 (sparc_add_gc_roots): New function.
21159 (mark_ultrasparc_pipeline_state): Likewise.
21160 (override_options): Call sparc_add_gc_roots.
21161 * pa.c: Include ggc.h.
21162 (pa_add_gc_roots): New function.
21163 (mark_deferred_plabels): Likewise.
21164 (override_options): Call pa_add_gc_roots.
21165 * mips.c: Include ggc.h.
21166 (mips_add_gc_roots): New function.
21167 (override_options): Use it.
21169 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21171 * cpperror.c (cpp_file_line_for_message): Constify a char*.
21173 * cppexp.c (parse_number, parse_charconst, cpp_lex,
21174 cpp_parse_expr): Add static prototypes.
21175 (parse_charconst): Don't cast away const-ness.
21176 (token): Constify a char*.
21178 * cppfiles.c (file_name_list, include_hash, find_include_file,
21179 finclude, initialize_input_buffer): Constify a char*.
21180 (file_cleanup, find_position): Add static prototypes.
21182 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
21183 collect_expansion): Add static prototypes.
21184 (cpp_install, create_definition, monthnames): Constify a char*.
21186 * cpphash.h (cpp_install): Likewise.
21188 * cppinit.c (known_suffixes, default_include,
21189 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
21190 (base_name, dump_special_to_buffer, initialize_dependency_output):
21191 Add static prototypes.
21193 * cpplib.c (my_strerror): Constify a char*.
21194 (null_underflow, null_cleanup, skip_comment, copy_comment,
21195 copy_rest_of_line, handle_directive, pass_thru_directive,
21196 get_directive_token, read_line_number, cpp_print_file_and_line,
21197 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
21198 v_cpp_warning_with_line, detect_if_not_defined,
21199 consider_directive_while_skipping): Add static prototypes.
21200 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
21201 cpp_pedwarn_with_file_and_line): Constify a char*.
21203 * cpplib.h (cpp_options, include_hash, progname, definition,
21204 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
21205 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
21206 find_include_file, deps_output, include_hash): Constify a char*.
21208 * cppmain.c (progname): Constify.
21209 (main): Add prototype. Use return, not exit.
21211 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
21212 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
21213 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
21214 check_protection): Add static prototype.
21216 (progname, recognized_macrom, recognized_extern): Constify a char*.
21217 (main): Add prototype.
21219 * gen-protos.c (progname): Constify a char*.
21221 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21223 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21224 (init_emit_once): Add more GC roots.
21225 * except.c (mark_func_eh_entry): New function.
21226 (mark_eh_node): Mark false_label and rethrow_label.
21227 (init_eh): Add more GC roots.
21228 * function.c (free_after_compilation): Take decl as a paramter.
21229 Call free_stmt_status.
21230 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21232 * function.h (free_after_compilation): Change prototype.
21233 (free_varasm_status): Likewise.
21234 (free_emit_status): Likewise.
21235 (free_stmt_status): New function.
21236 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21237 Remove, replacing with ...
21238 (ggc_status): New structure.
21239 (ggc_chain): New variable.
21240 (init_gcc): Define.
21241 (ggc_push_context): New function.
21242 (ggc_pop_context): Likewise.
21243 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21244 (ggc_alloc_rtvec): Likewise.
21245 (ggc_alloc_tree): Likewise.
21246 (ggc_alloc_string): Likewise.
21247 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21248 (ggc_mark_tree): Give language-dependent code a chance to mark
21250 (ggc_mark_tree_varray): Handle empty arrays.
21251 (ggc_collect): Adjust for use of ggc_chain. Clear
21252 bytes_alloced_since_last_gc.
21253 * ggc.h (ggc_pop_context): New function.
21254 (ggc_push_context): Likewise.
21255 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21256 * stmt.c (free_stmt_status): New function.
21257 (init_stmt_for_function): Clear last_expr_value.
21258 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21259 Conditionalize call to ggc_collect.
21260 (main): Call init_ggc.
21261 * tree.c (push_obstacks): Do the push, even when GC'ing.
21262 (push_obstacks_nochange): Likewise.
21263 (pop_obstacks): Liekwise.
21264 * varasm.c (free_varasm_status): Take decl as a parameter.
21266 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21268 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21269 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21270 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21271 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21273 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21275 * pa/x-pa-mpeix: New file for the MPE port.
21277 * pa/quadlib.asm: New file for long double support.
21279 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21280 * configure: Rebuilt.
21282 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21284 * final.c (shorten_branches): Fix last change.
21286 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21288 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21290 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21292 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21295 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21297 * c-aux-info.c (concat): Don't define.
21299 * cccp.c (my_strerror): Likewise. All callers changed to use
21301 (do_include): Call xstrdup, not xmalloc/strcpy.
21302 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21303 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21305 * collect2.c (my_strsignal): Likewise. All callers changed to use
21307 (locatelib): Call xstrdup, not xmalloc/strcpy.
21309 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21311 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21313 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21315 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21317 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21319 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21321 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21323 (find_all_handler_type_matches): Likewise. Don't check return
21325 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21326 xmalloc, not malloc.
21327 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21329 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21330 (init_spec): Call xcalloc, not xmalloc/bzero.
21331 (set_spec): Call xstrdup, not save_string.
21332 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21333 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21334 (process_command): Call xstrdup, not save_string.
21335 (main): Call xcalloc, not xmalloc/bzero.
21337 * gcov.c (xmalloc): Don't define.
21338 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21339 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21340 (output_data): Call xcalloc, not xmalloc/bzero.
21342 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21344 * mips-tdump.c (xmalloc): Don't define.
21345 (print_symbol): Call xmalloc, not malloc.
21346 (read_tfile): Call xcalloc, not calloc.
21348 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21349 Don't define. All callers of xfree/my_strsignal changed to use
21350 free/strsignal instead.
21351 (allocate_cluster): Call xcalloc, not calloc.
21353 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21354 Fix memory leak, free allocated memory.
21356 * prefix.c (translate_name): Call xstrdup, not save_string.
21357 (update_path): Likewise.
21359 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21361 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21362 Don't define. Callers of xfree/savestring2 changed to use
21363 free/concat instead.
21365 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21366 (init_elim_table): Likewise.
21368 * resource.c (init_resource_info): Likewise.
21370 * stupid.c (stupid_life_analysis): Likewise.
21372 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21373 (open_dump_file): Call concat, not xmalloc/strcpy/...
21374 (clean_dump_file): Likewise.
21375 (compile_file): Call xstrdup, not xmalloc/strcpy.
21377 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21379 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21380 * v850.c (v850_va_arg): New.
21382 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21384 * haifa-sched.c: Tidy comments.
21386 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21388 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21389 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21390 $(out_object_file)): Depend on ggc.h.
21391 * c-common.c: Include "ggc.h".
21392 (combine_strings): If doing GC, use ggc_alloc_string.
21393 * c-decl.c: Include "ggc.h".
21394 (ggc_p): Define with value 0.
21395 (mark_binding_level): New function.
21396 (init_decl_processing): Add GC roots.
21397 (mark_c_function_context): New function.
21398 (lang_mark_false_label_stack): New function.
21399 (lang_mark_tree): New function.
21400 (lang_cleanup_tree): New function.
21401 * c-lang.c: Include "ggc.h".
21402 (lang_init): Call c_parse_init.
21403 * c-lex.c: Include "ggc.h".
21404 (check_linenum): If doing GC, don't copy filenames to permanent
21406 * c-parse.in: Include "ggc.h".
21407 (c_parse_init): New function.
21408 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21409 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21411 * except.c (mark_eh_state): Mark more state.
21412 * function.c (mark_function_state): Likewise.
21413 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21414 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21415 * toplev.c (mark_file_stack): New function.
21416 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21417 (main): Add root for input_file_stack.
21419 * i386.c: Include "ggc.h".
21420 (ix86_mark_machine_status): New function.
21421 (override_options): Set mark_machine_status.
21423 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21425 * tree.c (copy_node): Copy node contents also if doing GC.
21427 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21429 * collect2.c (scan_libraries): Fix double-thinko :-).
21431 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21433 * collect2.c (scan_libraries): Fix thinko.
21435 * cse.c (delete_trivially_dead_insns): Do not skip the last
21436 insn if it is a real insn.
21438 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21440 * Makefile.in (ggc-simple.o): Depend on hash.h.
21441 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21442 (ggc_mark_tree_varray): Likewise.
21443 (ggc_mark_tree_hash_table): Likewise.
21444 * ggc-simple.c: Include hash.h.
21445 (ggc_mark_tree_hash_table_ptr): New function.
21446 (ggc_mark_tree_hash_table_entry): Likewise.
21447 (ggc_mark_tree_hash_table): Likewise.
21448 (ggc_add_tree_hash_table_root): Likewise.
21449 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21450 rtx, when defining fields.
21452 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21454 * profile.c (output_func_start_profiler): Remove apparently
21455 nonsensical call to start_sequence.
21457 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21459 * clipper/clipper.c (clipper_va_start): Fix typos.
21461 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21462 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21463 (spur_va_arg): New stub.
21465 * configure.in: Comment out pyramid.
21467 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21469 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21470 don't conflict with the bits that win32, cygwin, and dgux
21473 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21474 Bernd Schmidt <bernds@cygnus.co.uk>
21476 * integrate.c (function_cannot_inline_p): Do not inline
21477 functions with forced labels.
21479 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21480 Bernd Schmidt <bernds@cygnus.co.uk>
21481 Mark Mitchell <mark@codesourcery.com>
21483 * Makefile.in (ggc-simple.o): Depend on varray.h.
21484 (rtl.o): Depend on ggc.h.
21485 (genattrtab.o): Depend on ggc.h.
21486 (print-tree.o): Likewise.
21487 (fold-const.o): Likewise.
21488 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21489 (make_insn_raw): Don't cache insns when GC'ing.
21490 (emit_insn_before): Likewise.
21491 (emit_insn_after): Likewise.
21492 (emit_insn): Likewise.
21493 (start_sequence): Use xmalloc to allocate the sequence_stack.
21494 (end_sequence): Add free to free it.
21495 (gen_sequence): Don't cache insns when GC'ing.
21496 (clear_emit_caches): Don't use sequence_element_free_list.
21497 (init_emit): Use xcalloc, not xmalloc+bzero.
21498 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21499 * function.c (pop_function_context_from): Use free to free the
21500 fixup_var_refs_queue.
21501 (put_reg_into_stack): Allocate it with xmalloc.
21502 * genattrtab.c: Include ggc.h.
21503 (operate_exp): Don't use obstack_free when GC'ing.
21504 (simplify_cond): Likewise.
21505 (simplify_text_exp): Likewise.
21506 (optimize_attrs): Likewise.
21507 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21509 (gencode): Generate a #include for ggc.h.
21510 * ggc-callbacks.c (ggc_p): Define it to zero.
21511 * ggc-none.c (ggc_p): Likewise.
21512 * ggc-simple.c: Include varray.h.
21513 (ggc_mark_tree_varray): New function.
21514 (ggc_add_tree_varray_root): Likewise.
21515 (ggc_mark_tree_varray_ptr): Likewise.
21516 * ggc.h (ggc_p): Declare.
21517 (varray_head_tag): Likewise.
21518 (ggc_add_tree_varray_root): Declare.
21519 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21520 inconsistencies when GC'ing.
21521 * rtl.c: Include ggc.h.
21522 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21523 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21524 (rtx_free): Don't call obstack_free when GC'ing.
21525 * toplev.c (rest_of_compilation): Call ggc_collect after every
21527 * tree.c (push_obstacks): Do nothing, if GC'ing.
21528 (pop_obstacks_nochange): Likewise.
21529 (pop_obstacks): Likewise.
21530 (make_node): Use ggc_alloc_tree when GC'ing.
21531 (copy_node): Likewise.
21532 (get_identifier): Use ggc_alloc_string when GC'ing.
21533 (build_string): Likewise.
21534 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21535 (tree_cons): Likewise.
21536 (build1): Likewise.
21537 (type_hash_canon): Don't call obstack_free when GC'ing.
21539 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21541 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21542 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21544 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21545 Bernd Schmidt <bernds@cygnus.co.uk>
21546 Mark Mitchell <mark@codesourcery.com>
21548 * Makefile.in (stor-layout.o): Depend on ggc.h.
21549 (expr.o): Depend on ggc.h.
21550 (profile.o): Depend on ggc.h.
21551 (stor-layout.o): Depend on ggc.h.
21552 * emit-rtl.c (init_emit_once): Add gc roots.
21553 * expr.c: Include ggc.h.
21554 (emit_block_move): Add gc roots.
21555 (clear_storage): Likewise.
21556 * expr.h (init_stor_layout_once): New function.
21557 * profile.c: Include ggc.h.
21558 (init_arc_profiler): profiler_label is a root.
21559 * scan.c (make_sstring_space): Trust xrealloc to function
21560 correctly with first parameter NULL.
21561 * stor-layout.c: Include ggc.h.
21562 (set_sizetype): Add gc root.
21563 (init_stor_layout_once): New function.
21564 * toplev.c (compile_file): Call it.
21566 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21567 Bernd Schmidt <bernds@cygnus.co.uk>
21568 Mark Mitchell <mark@codesourcery.com>
21570 * Makefile.in (tree.o): Depend on ggc.h.
21571 (varasm.o): Likewise.
21572 (function.o): Likewise.
21573 (stmt.o): Likewise.
21574 (except.o): Likewise.
21575 (optabs.o): Likewise.
21576 (emit-rtl.o): Likewise.
21577 * emit-rtl.c: Include ggc.h.
21578 (sequence_element_free_list): Remove, and all references.
21579 (mark_sequence): New functions.
21580 (mark_emit_state): New function.
21581 * except.c: Include ggc.h.
21582 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21583 (mark_tree_label_node): New functions.
21584 (mark_eh_state): New function.
21585 * function.c: Include ggc.h.
21586 (mark_temp_slot, mark_function_chain): New functions.
21587 (mark_function_state): New function.
21588 (init_function_once): New function.
21589 * function.h (init_function_once): New function.
21590 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21591 * ggc.h (label_node): Declare.
21592 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21593 (lang_mark_false_label_stack): New function.
21594 (mark_temp_slot): Remove declaration.
21595 (mark_function_chain): Likewise.
21596 (mark_eh_state): Adjust prototype.
21597 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21599 * optabs.c: Include ggc.h.
21600 (mark_optab): New function.
21601 (init_optabs): Add gc roots.
21602 * stmt.c: Include ggc.h.
21603 (mark_cond_nesting, mark_loop_nesting): New functions.
21604 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21605 (mark_stmt_state): New function.
21606 * toplev.c (compile_file): Call init_function_once.
21607 * tree.c: Include ggc.h.
21608 (type_hash): Move declaration earlier in file.
21609 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21610 (init_obstacks): Add gc roots.
21611 (mark_type_hash): New function.
21612 * varasm.c: Include ggc.h.
21613 (mark_pool_constant): New function.
21614 (mark_varasm_state): New function.
21616 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21618 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21620 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21622 * c-decl.c (struct language_function): Renamed from struct c_function.
21624 (c_function_chain): Delete.
21625 (push_c_function_context): New arg F. Don't warn about nested
21626 functions here. Fill LANGUAGE elt of F. Delete code to update
21627 c_function_chain. Don't call push_function_context.
21628 (pop_c_function_context): New arg F. Restore from there instead of
21629 from c_function_chain. Don't call pop_function_context. Clear out
21630 LANGUAGE field of F when done.
21631 * c-lang.c: Include "function.h"
21632 (lang_init): Initialize save_lang_status and restore_lang_status.
21633 * c-parse.in (nested_function, nested_function_notype): Warn about
21634 nested functions. Call push_function_context/pop_function_context
21635 instead of the _c_ variants.
21636 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21638 * Makefile.in (c-lang.o): Update dependencies.
21640 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21641 regno_pointer_flag, regno_pointer_align.
21642 (gen_reg_rtx): Use xrealloc to enlarge them.
21643 (free_emit_status): New function.
21644 * function.c (mark_machine_status, mark_lang_status): New variables.
21645 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21646 in some bits from assign_stack_local. All callers changed to use new
21648 (assign_stack_local): Just call assign_stack_local_1.
21649 (free_after_compilation): New function.
21650 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21651 (trampoline_address): Likewise.
21652 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21653 (prepare_function_start): Explicitly clear some more variables.
21654 * function.h (struct function): New elt can_garbage_collect.
21655 (mark_machine_status, mark_lang_status): Declare variables.
21656 (free_after_compilation, free_emit_status, free_varasm_status,
21657 init_varasm_status): Declare functions.
21658 * toplev.c (rest_of_compilation): Call free_after_compilation when
21659 done with the current function.
21660 * varasm.c (free_varasm_status): New function.
21662 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21664 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21665 (EXPAND_BUILTIN_VA_ARG): Define.
21666 * sparc.c (sparc_va_start): New.
21667 (sparc_va_arg): New.
21669 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21671 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21673 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21675 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21677 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21679 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21680 (OBJS): Add $(GGC).
21681 (ggc-callbacks.o): New target.
21682 * ggc-callbacks.c: New file.
21684 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21686 * expr.h: Collapse individual optab and libfunc vars to arrays.
21687 (optab_index, libfunc_index): New enumerations.
21688 (optab_table, libfunc_table): New arrays.
21689 Add accessor macros for both.
21691 * optabs.c (optab_table, libfunc_table): New.
21692 Delete declarations for individual optab and libfunc vars.
21694 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21696 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21698 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21700 * Makefile.in (GGC, GGC_LIB): New.
21701 (HOST_RTL): Include ggc-none.o.
21702 (ggc-simple.o): New target.
21703 (ggc-none.o): Likewise.
21704 * tree.h (tree_common): Add gc_mark.
21705 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21706 (struct rtvec_def): Add gc_mark.
21707 * emit-rtl.c (global_rtl): Update static initializers to contain
21708 enough initializers.
21709 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21710 * toplev.c (gc_time): New variable.
21711 (all_time): New variable.
21712 (compile_file): Print gc time.
21713 (print_time): Calculate percentage of the whole.
21715 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21717 Change obstack memory management and varasm constant pool handling so
21718 that nested functions are treated like any other functions.
21719 * function.c (init_machine_status): New variable.
21720 (push_function_context_to): Set contains_functions for the outer
21721 function. Don't call save_varasm_status.
21722 (pop_function_context_from): Don't call restore_varasm_status. Don't
21723 set current_function_contains_functions.
21724 (prepare_function_start): Call init_varasm_status rather than
21725 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21727 * function.h (struct function) Add field varasm. Delete fields
21728 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21729 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21730 (init_machine_status): Declare.
21731 (save_varasm_status, restore_varasm_status): Delete declarations.
21732 (save_tree_status, restore_tree_status): Delete last argument.
21733 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21734 code. All callers changed.
21735 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21736 save_constants_in_decl_trees, restore_constants, save_constants,
21737 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21739 (inlining): New variable.
21740 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21741 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21743 (save_for_inline_nocopy): Don't save constants.
21744 Don't set inl_emit field in current_function.
21745 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21746 function. Set new variable inlining before
21747 calling copy_rtx_and_substitute.
21748 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21749 constant pool references if inlining is nonzero.
21750 Delete ADDRESS and (most of the) CONST cases.
21751 (output_inline_function): Save and restore current_function/
21752 current_function_decl. Delete restore_constants code. Don't call
21753 init_const_rtx_hash_table.
21754 * output.h (init_const_rtx_hash_table): Don't declare.
21755 * rtl.h (struct function): Declare.
21756 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21757 * toplev.c (rest_of_compilation): Don't treat nested functions or
21758 functions containing them specially. Delete all code to deal with
21759 save_for_inline_copying.
21760 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21761 inline_obstacks): Delete variables.
21762 (save_tree_status): Lose arg CONTEXT. All callers changed.
21763 Simply allocate a new function_maybepermanent_obstack for the new
21764 function, delete all the special cases.
21765 Don't save inline_obstacks.
21766 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21767 Delete special handling for function_maybepermanent_obstack; simply
21769 Don't restore inline_obstacks.
21770 (permanent_allocation): Delete code that frees inline_obstacks.
21771 (print_inline_obstack_statistics): Delete function.
21772 (dump_tree_statistics): Don't call it.
21773 * varasm.c (struct varasm_status): New.
21774 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21775 last_pool, pool_offset, const_double_chain): Delete global
21776 variables, replace with accessor macros.
21777 (immed_double_const): Don't walk const_double_chain outside a
21778 function, but don't treat nested functions specially anymore.
21779 (immed_real_const_1): Likewise.
21780 (clear_const_double_mem): Don't treat nested functions specially.
21781 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21782 (save_varasm_status, restore_varasm_status): Delete functions.
21783 (init_varasm_status): New function.
21784 (force_const_mem): Don't treat nested functions specially.
21785 (find_pool_constant): Accept new arg F, search for constants in
21786 that function's pool rather than the current one. All callers
21788 (get_pool_constant_for_function, get_pool_mode_for_function): New
21791 * i386.c (init_386_machine_status): New function, mostly from
21792 clear_386_stack_locals.
21793 (struct machine_functions): Rename element names to avoid name
21795 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21796 macros, replacing global variables.
21797 (clear_386_stack_locals, save_386_machine_status,
21798 restore_386_machine_status): Delete functions.
21799 (override_options): Initialize init_machine_status.
21800 * i386.h (INIT_EXPANDERS): Delete macro.
21801 (save_386_machine_status, restore_386_machine_status,
21802 clear_386_stack_locals): Delete declarations.
21804 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21806 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21807 (doloop_begin): Simplify pattern and use emit_jump_insn.
21808 (doloop_end): Simplify pattern, switch operand order,
21809 and use emit_jump_insn.
21811 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21813 * function.h (struct function): Add new element LANGUAGE.
21814 (save_lang_status): Declare new variable.
21815 (restore_lang_status): Likewise.
21816 * function.c (save_lang_status): Define.
21817 (restore_lang_status): Likewise.
21818 (push_function_context_to): Call language-specific save function.
21819 (pop_function_context_from): Call language-specific restore function.
21821 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21823 * i386.md (movsf_1): Check REG_P before use of REGNO.
21824 (movdf_1): Likewise.
21825 (movxf_1): Likewise.
21826 (extendsfdf2): Likewise.
21827 (extendsfxf2): Likewise.
21828 (extenddfxf2): Likewise.
21830 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21832 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21833 constants into memory.
21834 (c4x_shiftable_constant): New function.
21835 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21836 (c4x_shiftable_constant): Declare.
21837 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21838 ashlqi3_noclobber): Add new patterns and associated splitters.
21840 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21842 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21843 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21844 * final.c (shorten_branches): Likewise.
21845 * global.c (global_alloc): Likewise.
21846 * haifa-sched.c (build_control_flow): Likewise.
21847 * stmt.c (check_for_full_enumeration_handling): Likewise.
21848 (estimate_case_costs): Likewise.
21850 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21852 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21854 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21856 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21857 (recompute_reg_usage): Likewise.
21858 * rtlanal.c (find_regno_fusage): Likewise.
21860 * rtl.c (rtl_check_failed_code1): New function.
21861 (rtl_check_failed_code2): New.
21862 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21863 (RTL_CHECKC1, RTL_CHECKC2): New.
21864 (XC*): New accessor macros.
21865 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21866 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21867 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21868 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21869 (TRAP_*, RANGE_INFO_*): Likewise.
21871 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21873 * Makefile.in (tlink.o): Don't depend on toplev.h.
21875 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21876 output_file, nm_file_name, ldd_file_name, strip_file_name,
21877 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21878 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21879 fork_execute, maybe_unlink, add_to_list,
21880 extract_init_priority, write_list, dump_list,
21881 dump_prefix_list, write_list_with_asm, write_c_file,
21882 write_c_file_stat, write_c_file_glob, scan_prog_file,
21883 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21884 ignore_library, extract_string, notice, dump_file, target_machine,
21885 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21886 read_file, print_load_command): Constify a char*.
21887 (fdopen, error, fatal, fatal_perror): Don't prototype.
21888 (my_strerror): Remove. All callers use xstrerror instead.
21889 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21890 (main): Add prototype. Constify lots of char* ptrs. Change calls
21891 to xcalloc/strcpy/strcat/... to one call to concat.
21892 (main, scan_prog_file, scan_libraries): Use an intermediate
21893 `const char **' to build an argv array.
21894 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21896 * collect2.h (collect_execute, collect_wait, dump_file,
21897 file_exists): Constify a char*.
21898 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21899 temporary_firstobj, vflag, debug): Add extern declarations.
21900 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21902 * tlink.c: Don't include toplev.h.
21903 (vflag, debug, ldout, c_file_name, temporary_obstack,
21904 permanent_obstack, temporary_firstobj): Don't declare.
21905 (tlink_execute, frob_extension, symbol_hash_lookup,
21906 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21907 recompile_files, read_repo_files, demangle_new_symbols,
21908 scan_linker_output): Constify a char*.
21909 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21910 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21912 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21914 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21915 (relative) rather than jsr (absolute) subroutine call insns.
21916 * config/m68k/m68k-coff.h: Ditto.
21918 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21920 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21921 now rework these too.
21922 (arm_reorg): If an insn can't reach the end of the current pool,
21923 ensure that we emit that pool before the insn.
21925 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21927 * tlink.c (scan_linker_output): Skip the initial underscore in
21928 a mangled name if appropriate.
21930 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21932 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21933 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21934 error_with_ivar, gen_declarator, create_builtin_decl,
21935 my_build_string, generate_descriptor_table, generate_ivars_list,
21936 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21937 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21938 dump_base_name, lang_decode_option, build_encode_expr,
21939 start_class, finish_class, encode_pointer, really_start_method,
21940 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21942 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21943 Add static prototypes.
21944 (build_objc_string_decl, build_selector_reference_decl,
21945 encode_bitfield, build_class_reference_decl): Remove unused
21946 parameter, all callers changed.
21947 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21948 (objc_printable_name): Likewise. Change second parameter to type int.
21949 (init_objc): Use memcpy, not bcopy, to avoid casts.
21951 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21953 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21954 reg notes on a deleted insn.
21955 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21957 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21959 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21961 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21963 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21966 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21968 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21969 * tm.texi (MD_ASM_CLOBBERS): Document it.
21971 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21973 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21974 * except.c (expand_rethrow): Remove unused variable.
21975 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21976 * flow.c (replace_insns): Likewise.
21977 (create_edge_list, verify_edge_list): Likewise.
21978 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21980 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21981 is special code to run.
21982 (main): Don't define operands to emit_operand.
21983 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21985 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21987 * alpha/alpha.h (normal_memory_operand): Declare.
21988 (reg_no_subreg_operand): Declare.
21989 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21991 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21993 * c-parse.in (compstmt_primary_start): New, broken out of first
21994 part of compstmt handling in primary.
21995 (primary): Use it. Add an error clause.
21996 (compstmt_nostart): Renamed from compstmt; remove all
21997 initial invocations of compstmt_start.
22000 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
22002 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
22005 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
22007 * combine.c (simplify_shift_const): Remove extra semicolon.
22008 * dwarf2out.c (remove_AT): Likewise.
22009 * expmed.c (expand_mult): Likewise.
22010 * gcov.c (create_program_flow_graph): Likewise.
22011 * reorg.c (mostly_true_jump): Likewise.
22013 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
22015 * fold-const.c (fold_range_test): Do not try to fold the range
22016 test if the rhs or lhs has side effects.
22018 * combine.c (simplify_rtx): Recognize another case of a synthesized
22021 * varasm.c (mark_constant_pool): When marking indirect references,
22022 only look at SYMBOL_REFs.
22024 * except.c (expand_fixup_region_end): Do not peek at
22025 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
22027 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
22029 * flags.h: New variables align_loops, align_loops_log,
22030 align_jumps, align_jumps_log, align_labels, align_labels_log,
22031 align_functions, align_functions_log.
22032 * toplev.c: Define them.
22033 (f_options): Handle -falign-* when they have no argument.
22034 (main): Add logic to set variables for -falign-functions,
22035 -falign-jumps, -falign-labels, -falign-loops.
22036 Make it -fsched-verbose=<n> and -finline-limit=<n>.
22037 (display_help): Change help to match options.
22038 * final.c (LABEL_ALIGN): Default to align_labels_log.
22039 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
22040 (LOOP_ALIGN): Default to align_loops_log.
22041 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
22042 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
22043 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
22044 * varasm.c (assemble_start_function): Handle align_functions.
22046 * config/sparc/sparc.h: Don't declare sparc_align_*.
22047 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
22048 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
22050 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
22052 * config/sparc/sparc.c: Delete sparc_align_loops,
22053 sparc_align_jumps, sparc_align_funcs and the corresponding string
22055 (sparc_override_options): Default align_functions on ultrasparc.
22056 Delete -malign-* handling.
22058 * config/mips/mips.c (override_options): On 64-bit targets,
22059 try to align code to 64-bit boundaries.
22060 (print_operand): New substitution, %~,
22061 which aligns labels to align_labels_log.
22062 * config/mips/mips.md (div_trap_normal): Use %~.
22063 (div_trap_mips16): Likewise.
22065 (absdi2): Likewise.
22066 (ffssi2): Likewise.
22067 (ffsdi2): Likewise.
22068 (ashldi3_internal): Likewise.
22069 (ashrdi3_internal): Likewise.
22070 (lshrdi3_internal): Likewise.
22071 (casesi_internal): Likewise.
22073 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
22075 Merge new ia32 backend from the branch!
22077 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
22078 See ChangeLog.P2 on new_ia32_branch for details.
22080 * rtl.h (stack_regs_mentioned_p): Delete prototype.
22081 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
22082 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
22083 * i386/gas.h (ASM_FILE_START): Define.
22084 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
22085 for name change of ix86_valid_decl_attribute_p.
22086 (i386_pe_valid_type_attribute_p): Similarly.
22088 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
22090 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
22091 to step through CC modes.
22093 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22095 * regmove.c (fixup_match_1): Don't move INSN in front of P if
22096 it would end up in the shadow of a live flags regsiter.
22098 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22100 * reload1.c: Fix many indentation problems.
22101 * reload.c: Likewise.
22103 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
22105 * alias.c (non_local_reference_p): Constify fmt.
22107 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
22109 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
22111 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
22113 * cse.c (delete_trivially_dead_insns): Do not delete stores to
22114 the internal_arg_pointer.
22116 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
22118 Merge peephole2 from new_ia32_branch:
22119 * Makefile.in (STAGESTUFF): Add *.peephole2.
22120 (mostlyclean): Likewise.
22121 (recog.o): Depend on resource.h.
22123 * final.c (peephole): Conditionalize decl on HAVE_peephole.
22124 (final_scan_insn): Likewise for the invocation of peephole.
22125 * genconfig.c (main): Look for peephole and peephole2 patterns.
22126 Emit HAVE_peephole* accordingly.
22127 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
22128 * flags.h (flag_peephole2): Declare.
22129 * toplev.c: New pass peephole2. New flag -fpeephole2.
22131 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
22132 * gencodes.c (main): Likewise.
22133 * genextract.c (main): Likewise.
22134 * genoutput.c (main): Likewise.
22135 * genemit.c (max_operand_1): Look for the max scratch operand.
22136 (gen_rtx_scratch): New.
22137 (gen_exp): Use it, and pass on new arg subroutine_type.
22138 (gen_expand): Take max scratch into account.
22139 (gen_split): Emit peephole2 functions.
22140 (output_peephole2_scratch): New.
22141 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
22142 * genrecog.c (routine_type): Add PEEPHOLE2.
22144 (make_insn_sequence): Match outer parallel for peep2. Discard
22145 top level scratches and dups.
22146 (add_to_sequence): New args insn_type and top. Update all callers.
22147 Handle toplevel peep2 matching insns.
22148 (write_subroutine): Handle peep2.
22149 (write_tree_1): Likewise.
22150 (write_tree): Likewise.
22152 (change_state): New arg afterward. Update all callers.
22153 Handle matching separate insns.
22154 * recog.c (recog_next_insn): New.
22155 (peephole2_optimize): New.
22156 * rtl.def (DEFINE_PEEPHOLE2): New.
22157 * resource.c (find_free_register): New argument last_insn. Use it
22158 to find a register available through the entire span.
22159 * resource.h (find_free_register): Update prototype.
22161 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
22163 * i386.c (output_strlen_unroll): Don't write xops[7]
22164 label if it wasn't set.
22166 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
22168 * cpplib.c (struct directive): Const-ify name pointer and
22169 function pointer prototype.
22170 (validate_else, do_define, do_line, do_include, do_undef,
22171 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
22172 do_elif, do_endif, do_sccs, do_assert, do_unassert,
22173 do_warning): Const-ify second arg.
22174 (directive_table): Mark const. Reorder entries by frequency
22175 of usage, record statistics.
22177 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
22179 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
22180 bounds- check RTL accesses if --enable-checking.
22181 (RTVEC_ELT): Bounds check if --enable-checking.
22182 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
22183 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
22184 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
22186 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
22187 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
22189 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
22190 (NOTE_SOURCE_FILE): Use X0STR.
22191 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
22192 MEM_ALIAS_SET): Use X0INT.
22193 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
22194 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
22196 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
22197 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
22198 (rtl_check_failed_bounds, rtl_check_failed_type1,
22199 rtl_check_failed_type2, rtvec_check_failed_bounds): New
22201 (fancy_abort): Fix comment.
22203 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
22204 (cse_insn): Decrement LABEL_NUSES for jump target before
22205 deleting jump insn.
22206 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
22207 * final.c (alter_subreg): Compute regno before changing x to
22208 REG; set REGNO(x) after changing it.
22209 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
22210 notes containing CONST_INTs.
22211 (delete_eh_regions): Use NOTE_EH_HANDLER.
22212 * function.c (put_reg_into_stack): Make reg a MEM before
22214 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
22216 (gen_mem_addressof): Make reg a MEM before initializing it.
22217 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
22219 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
22220 deleting an insn, not after.
22221 (block_alloc): Only look at PATTERN(insn) if we have to, and
22222 only if it's format class 'i'.
22223 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22224 CONST_INT before using its INTVAL.
22225 * print-rtl.c (print_rtx): Use X0STR.
22226 * regmove.c (fixup_match_1): Don't look at PATTERN of
22227 non-class-'i' insn chain elements.
22228 * reload.c (loc_mentioned_in_p): Take address of
22229 in->fld[1].rtx directly.
22230 * reload1.c (reload): Change reg to a MEM before initializing
22232 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22234 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22236 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22238 * config/mips/mips.c (machine_dependent_reorg): Force a
22239 barrier to output the local constant pool if a barrier hasn't
22240 been found at a natural point in the instruction stream.
22242 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22244 * c-parse.in (language_string): Constify.
22246 * dwarf2out.c (language_string): Remove declaration.
22248 * dwarfout.c (language_string): Likewise.
22250 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22252 * tree.h (language_string, init_parse, finish_parse): Declare.
22254 * i386/sun386.h (language_string): Remove declaration.
22256 * mips.h (language_string): Likewise.
22258 * nextstep.h (language_string): Likewise.
22260 * nextstep21.h (language_string): Likewise.
22262 * rs6000.c (language_string): Likewise.
22264 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22266 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22267 (getpwd.o): Remove target.
22269 * getpwd.c: Delete file. Its in libiberty now.
22271 * dbxout.c (getpwd): Don't prototype.
22272 * dwarf2out.c (getpwd): Likewise
22273 * dwarfout.c (getpwd): Likewise
22274 * final.c (getpwd): Likewise.
22275 * protoize.c (getpwd): Likewise.
22277 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22279 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22281 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22283 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22284 mark_set_resources.
22286 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22288 * fixinc/Makefile.in (subdir): New.
22289 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22292 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22294 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22295 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22298 * invoke.texi: Fix typo.
22300 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22301 changed. Handle autoincrement addressing modes.
22303 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22304 just like we would the virtual incoming args register when
22307 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22309 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22310 path, in .file directive.
22312 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22314 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22317 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22319 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22322 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22324 * tree.c (tree_code_name): Constify a char*.
22326 * tree.h (tree_code_name, decl_printable_name): Likewise.
22328 * function.h (struct function): Likewise.
22330 * toplev.c (decl_name, decl_printable_name): Likewise.
22332 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22334 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22335 (init_objc): Remove function pointer cast.
22337 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22339 * pa.md (interspace_jump): New pattern.
22340 (builtin_longjmp): New expander.
22342 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22344 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22345 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22346 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22348 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22350 * jump.c (delete_prior_computation): Also check calls
22351 to constant functions. Don't bother checking for a
22352 REG_UNUSED note before adding it.
22353 (delete_computation): Handle multi-word hard registers
22354 when synthesizing missing REG_DEAD notes for a register
22355 which is both set and used by an insn.
22357 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22359 * loop.c (this_loop_info): New variable.
22360 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22361 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22363 (prescan_loop, strength_reduce): New argument loop_info. All callers
22365 (scan_loop): New variable loop_info, initialise to address of
22367 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22368 Delete variable loop_has_multiple_exit targets and replace with
22369 field in this_loop_info.
22370 (find_and_verify_loops): Rename this_loop to this_loop_num.
22371 (strength_reduce): Delete loop_iteration_info. Replace variable
22372 loop_info with function argument of same name.
22373 (insert_bct): Rework test for loop being completely unrolled.
22375 * loop.h (struct loop_info): New fields num, loops_enclosed,
22376 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22377 has_indirect_jump, and cont. Redefine use of unroll_number.
22378 (loop_unroll_number): Delete.
22380 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22381 field of loop_info.
22382 (loop_iterations): Delete variable vtop and instead use
22383 loop_info->vtop computed in prescan_loop.
22385 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22387 * fix-header.c (main): Do not pass a null pointer to strcmp.
22389 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22391 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22393 * configure: Rebuilt.
22395 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22397 * jump.c (jump_optimize_1): Do not delete assignments to
22398 internal_arg_pointer.
22399 * cse.c (delete_trivially_dead_insns): Always consider a set of
22400 the internal_arg_pointer live.
22402 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22404 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22405 (update_life_info) [REG_WAS_0]: Search the original insns rather
22406 than the new insns for the note. Fix typos finding note_dest.
22407 If no dest found, discard the note rather than abort.
22408 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22409 (replace_insns): Remove the old insn list after update_life_info
22412 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22414 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22415 sched_analyze_insn.
22416 (sched_analyze_1): Let add_dependence care for not adding dups.
22417 (sched_analyze_2): Likewise.
22418 (add_branch_dependences): Likewise.
22420 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22422 * i386/winnt.c (export_list): New type.
22423 (exports_head): Rename to
22424 (export_head): this.
22425 (i386_pe_record_exported_symbol): Add is_data flag.
22426 (i386_pe_asm_file_end): Emit directive for exported variables.
22427 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22429 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22430 (ASM_DECLARE_OBJECT_NAME): Likewise.
22431 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22432 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22434 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22436 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22438 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22441 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22443 * config/openbsd.h: Define SET_ASM_OP.
22444 * tm.texi: cross-reference SET_ASM_OP in the index.
22446 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22448 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22449 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22450 and class_narrowest_mode at compile time. Kill init_rtl.
22451 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22452 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22453 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22455 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22457 * rtl.h: Declare rtx_length and rtx_format as const.
22458 * machmode.def: Define CC(). Use CC() to define CCmode. If
22459 EXTRA_CC_MODES is defined, expand it here.
22460 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22461 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22462 const. Kill all references to EXTRA_CC_MODES.
22464 * toplev.c: Don't prototype or call init_rtl.
22465 * optabs.c: Don't call init_mov_optab.
22466 * genemit.c: Don't generate init_mov_optab. Don't call
22468 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22470 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22471 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22472 genrecog.c: Don't call init_rtl.
22474 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22475 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22476 definition of EXTRA_CC_MODES.
22478 * md.texi: Kill ref to EXTRA_CC_NAMES.
22479 * tm.texi: Document new way to define EXTRA_CC_MODES.
22481 * genrecog.c: Do not look up the name of a define_split.
22482 (Unrelated bugfix.)
22484 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22486 * config/v850/v850.md: Fix typo introduced by previous delta.
22488 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22490 * gcc.c (fatal): Make definition static to match prototype.
22492 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22494 * combine.c (get_last_value): Don't look for earlier sets if the last
22495 known set is somewhere in between the insns being combined.
22497 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22499 * configure.in: Don't use shell ! to negate exit codes
22500 * configure: Regenerate
22502 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22504 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22505 the fact that ALIGN is measured in bits, not bytes.
22507 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22509 * errors.c: New file; defines functions error, warning, and
22510 fatal, variables have_error and progname.
22511 * errors.h: New file; prototypes and decls for stuff in errors.c.
22513 * Makefile: Add rules to build errors.o and
22514 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22515 genopinit, genrecog, genextract, genpeep, genattr, and
22516 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22517 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22518 genpeep.o, genattr.o, and genoutput.o.
22520 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22521 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22522 define or prototype fatal. Set progname at beginning of main.
22523 * genoutput.c: Likewise, and don't define or prototype error
22526 * c-typeck.c (c_expand_start_case): Return immediately if exp
22528 * fold-const.c (operand_equal_p): Return immediately if arg1
22529 or arg0 are ERROR_MARKs.
22530 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22531 fields of type ERROR_MARK when calculating if the record can
22534 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22535 with much help from Jeffrey A Law and Richard Henderson
22537 * i386.md: In the 6 insns which call output_fix_trunc,
22538 earlyclobber operands[0].
22540 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22542 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22543 creating new registers.
22545 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22547 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22548 i386_reg_alloc_order, i386_regparm_string,
22549 i386_align_loops_string, i386_align_jumps_string,
22550 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22551 and i386_branch_cost_string as type "const char *".
22552 * i386.c: Define all above strings as type "const char *".
22554 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22556 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22557 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22559 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22561 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22562 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22564 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22566 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22567 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22568 (dwarf2out_line, dwarf2out_finish): Likewise.
22569 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22571 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22573 * tree.c (lang_unsave_expr_now) : Correct return type.
22574 * tree.h (lang_unsave_expr_now) : Same.
22576 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22578 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22579 instead of duplicating code.
22581 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22583 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22585 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22587 * tree.h: fancy_abort always takes three args.
22588 * resource.c: Move include of system.h before toplev.h.
22590 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22592 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22595 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22597 * system.h: Don't redefine abort or trim_filename.
22598 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22599 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22600 whether or not __FUNCTION__ is available.
22601 * tree.h: Duplicate rtl.h's definition of abort, for files
22602 that don't include rtl.h. Delete all code to perform type
22603 checking with a compiler other than GCC.
22604 * varray.h: Delete all code to perform type checking with a
22605 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22606 its arguments exactly once, using a statement expression.
22607 Adjust the VARRAY_<type> accessor macros to match.
22608 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22609 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22610 caller's location. Define fatal_insn and fatal_insn_not_found
22611 as macros that use _fatal_insn and _fatal_insn_not_found.
22612 (fancy_abort, trim_filename): Kill prototypes.
22614 * rtl.c (trim_filename): Move here from toplev.c.
22615 (fancy_abort): New function.
22616 (DIR_SEPARATOR): Provide default definition.
22617 * tree.c (tree_check_failed, tree_class_check_failed): Go
22618 through fancy_abort.
22619 (tree_check, tree_class_check, cst_or_constructor_check,
22620 expr_check): Delete.
22621 * varray.c (varray_check_failed): New function.
22622 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22623 _fatal_insn and _fatal_insn_not_found. Go through
22625 (trim_filename, fancy_abort): Delete.
22627 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22628 * except.c (start_catch_handler): Report ICE with error/abort
22630 * final.c (output_operand_lossage): Likewise.
22631 * flow.c (verify_flow_info): Likewise.
22633 * gcc.c: Prototype fatal.
22634 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22635 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22636 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22637 Don't define fancy_abort.
22639 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22641 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22644 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22646 * m88k.h (VERSION_INFO2): Kill.
22647 (VERSION_STRING): Kill.
22649 (VERSION_INFO1): Tidy.
22650 (TARGET_VERSION): Update.
22651 * m88k/dgux.h (VERSION_INFO2): Kill.
22652 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22653 * m88k/luna.h (VERSION_INFO1): Tidy.
22654 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22655 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22656 (output_file_start): Adjust for death of VERSION_STRING.
22658 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22660 * cpplib.c (detect_if_not_defined): New function.
22661 (do_if): Use it to detect potential once-only headers.
22663 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22665 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22667 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22669 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22670 anywere in the function only if they are pseudos and set before
22671 being used (not live at the start of the function).
22672 (num_sign_bit_copies) : Same.
22673 (get_last_value_validate) : Same.
22674 (get_last_value) : Same.
22676 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22678 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22679 where N and M are constant and N is an integer multiple of M.
22681 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22683 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22684 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22685 sbitmap_union_of_preds): Add prototypes.
22686 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22687 the intersection of successors with the new flow graph structures.
22688 (sbitmap_intersection_of_preds): New function to compute the
22689 intersection of predecessors with the new flow graph structures.
22690 (sbitmap_union_of_succs): New function to compute the union of
22691 successors with the new flow graph structures.
22692 (sbitmap_union_of_preds): New function to compute the union of
22693 predecessors with the new flow graph structures.
22694 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22695 (expr_reaches_here_p): Use edge and basic_block structures instead
22696 of s_preds and s_succs.
22697 (compute_cprop_avinout): Use new sbitmap routines.
22698 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22699 of s_preds and s_succs.
22700 * flow.c (compute_flow_dominators): Compute dominators using
22701 edges and basic blocks instead of s_preds and s_succs.
22703 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22705 * lists.c (unused_insn_list, unused_expr_list): New file for
22706 maintaining various types of lists. New statics for maintaining a
22707 cache of available INSN_LIST and EXPR_LIST nodes.
22708 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22709 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22710 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22711 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22712 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22713 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22714 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22715 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22716 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22717 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22718 (remove_dependence, free_pending_lists): Use new global routines.
22719 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22720 (sched_analyze, compute_block_backward_dependences): Use new routines.
22721 (sched_analyze_1, sched_analyze_2): Use new routines.
22722 (schedule_insns): Use new global routines.
22723 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22725 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22726 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22728 * toplev.c (rest_of_compilation): Initialize node cache.
22729 * Makefile.in (OBJS): Add lists.o to list of object files.
22730 (lists.o): Add dependancies.
22732 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22734 * config/v850/v850.md: Fix compile time warning messages.
22735 * config/v850/v850.c: Fix compile time warning messages.
22736 * config/v850/v850.h: Fix compile time warning messages.
22738 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22740 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22741 Remove unused prototype for `init_lengths'.
22743 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22745 * calls.c (emit_call_1): Mark parameter `stack_size' with
22747 (expand_call): Initialize variable `insn'.
22748 (emit_library_call): Likewise for variable `high_to_save'.
22749 (emit_library_call_value): Likewise.
22750 (store_one_arg): Likewise for variables `lower_bound' and
22753 * combine.c (try_combine): Likewise for variables `i2_code_number'
22754 and `other_code_number'.
22755 (find_split_point): Likewise for variables `pos', `unsignedp' and
22757 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22758 (simplify_and_const_int): Remove unused variable `width'.
22759 (merge_outer_ops): Likewise.
22761 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22762 HOST_WIDE_INT' when comparing against one.
22763 (simplify_relational_operation): Likewise.
22764 (cse_insn): Initialize variables `src_eqv_volatile',
22765 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22767 * final.c (init_final): Constify parameter `filename'.
22768 (final_start_function): Mark parameter `optimize' with
22770 (profile_function): Likewise for parameters `first' and `optimize'.
22771 (output_source_line): Likewise for parameter `file'.
22773 * integrate.c (subst_constants): Cast a value to `size_t' when
22774 comparing against one.
22775 (mark_stores): Initialize variable `mode'. Cast a value to
22776 `size_t' when comparing against one.
22778 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22780 * loop.c (move_movables): Initialize variable `first'.
22781 (strength_reduce): Likewise for variable `increment'.
22782 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22783 value to `size_t' when comparing against one.
22784 (load_mems): Initialize variable `end_label'.
22786 * output.h (init_final): Constify parameter.
22788 * reload.c (decompose): Initialize variable `base'.
22790 * reload1.c (reload): Likewise for variable `is_scalar'.
22791 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22792 (choose_reload_regs): Initialize variable `mode'.
22793 (emit_reload_insns): Likewise for variable `store_insn'.
22794 (reload_cse_noop_set_p): Mark parameter `insn' with
22796 (reload_combine): Initialize variable `set'.
22798 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22799 (copy_loop_body): Cast a value to `size_t' when comparing against
22802 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22803 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22804 (remove_from_pending_weak_list): Mark parameter `name' with
22807 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22809 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22812 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22814 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22815 (ASM_DECLARE_FUNCTION_NAME): Define.
22816 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22817 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22818 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22819 not already defined.
22821 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22823 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22824 of n_popped when call/call_value are not defined.
22826 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22828 * tm.texi: GNU CC -> GCC conversion.
22829 (CC1_SPEC): Indicate it is used for all language front ends.
22831 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22833 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22834 NOTE_INSN_EH_REGION_END correctly.
22836 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22837 Jeff Law <law@cygnus.com>
22839 * loop.c (strength_reduce): Automatically unroll loops if the
22840 unrolled loop size is smaller than the rolled loop size.
22842 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22843 and delete comment that code should be rewritten.
22845 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22847 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22850 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22852 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22854 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22855 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22856 (LINK_SPEC): Add -u _main when building executables.
22857 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22858 (ASM_FILE_END): Use the default for ix86-pe.
22859 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22861 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22863 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22864 and ASM_CLOSE_PAREN are empty strings.
22866 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22867 Geoffrey Keating <geoffk@cygnus.com>
22869 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22870 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22871 (unprotoize.o): Ditto.
22872 (test-protoize-simple): Don't define STD_PROTO_DIR.
22873 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22874 changes to make 'test-protoize-simple' pass.
22875 (STD_PROTO_DIR): Remove define.
22876 (STANDARD_EXEC_PREFIX): Supply default define.
22877 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22878 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22879 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22880 (GET_ENV_PATH_LIST): New macro.
22881 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22882 (do_processing): Initialize default_syscalls_dir using new
22883 macros. Use it to initialize syscalls_absolute_filename.
22885 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22887 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22888 B into a register before emit_conditional_move.
22890 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22892 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22893 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22894 multiplicand out of (+ (* a b) (* c d)).
22896 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22897 Richard Henderson <rth@cygnus.com>
22899 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22900 (new_insn_dead_notes): Likewise.
22901 (update_n_sets): Likewise.
22902 (update_flow_info): Move to flow.c, renamed to update_life_info;
22903 extend to handle multiple source insns.
22904 * flow.c: Include resource.h
22905 (unlink_insn_chain): New.
22906 (split_hard_reg_notes): New.
22907 (maybe_add_dead_note): New.
22908 (maybe_add_dead_note_use): New.
22909 (find_insn_with_note): New.
22910 (new_insn_dead_notes): New.
22911 (update_n_sets): New.
22912 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22913 (maybe_remove_dead_notes): New.
22914 (update_life_info): New.
22915 (prepend_reg_notes): New.
22916 (replace_insns): New.
22917 * output.h (update_life_info): Declare.
22918 * recog.c (split_block_insns): Use update_life_info.
22919 * resource.c (find_free_register): Use reg_alloc_order, don't use
22920 fixed regs, make sure the mode is supported, don't use new regs.
22922 * rtl.h (replace_insns): Declare.
22924 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22926 * expr.c (expand_expr): Cope with COND_EXPRs with one
22927 non-returning branch.
22929 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22931 * expr.c (store_expr): Always pass down the target, even when not
22934 1999-08-24 Nick Clifton <nickc@cygnus.com>
22936 * configure.in: Define target_cpu_default for v850 targets.
22937 * configure: Regenerate
22939 * config/v850/v850.h (TARGET_CPU_generic): Define.
22940 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22941 addresses are 4 byte aligned.
22943 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22946 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22948 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22949 (main): Add prototypes.
22951 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22952 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22953 (write_attr_get): Emit prototypes along with function definition.
22954 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22955 (write_complex_function): Emit static prototype along with
22956 function definition.
22958 * genemit.c (gen_split): Emit prototypes along with function
22961 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22962 Likewise for predicates and `insn_operand_predicate'.
22963 (process_template): Emit static prototype along with function
22966 * genrecog.c (make_insn_sequence): Constify a char*. Add
22967 prototypes for get_split_*().
22968 (write_subroutine): Emit prototypes along with function
22971 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22973 * gcse.c (find_avail_set): Follow chains of register-register copies.
22974 Use oprs_not_set_p to guarantee that the returned value can be
22976 (cprop_insn): Don't verify the return value of find_avail_set with
22979 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22980 (cprop_cc0_jump): New function.
22981 (cprop_insn): Break out new function cprop_jump and use it.
22982 Also use cprop_cc0_jump for machines with CC0.
22983 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22985 * tree.h (current_function_calls_setjmp,
22986 current_function_calls_longjmp): Delete declarations.
22987 * dsp16xx.c: Include "function.h".
22988 * elxsi.c: Likewise.
22989 * gmicro.c: Likewise.
22990 * h8300.c: Likewise.
22991 * i370.c: Likewise.
22992 * m32r.c: Likewise.
22993 * mn10200.c: Likewise.
22994 * mn10300.c: Likewise.
22995 * ns32k.c: Likewise.
22996 * spur.c: Likewise.
22997 * v850.c: Likewise.
22999 * rtl.h (rtx_equal_function_value_matters): Declare.
23000 * toplev.c (rtx_equal_function_value_matters): Don't declare.
23002 * function.c: Likewise.
23003 * emit-rtl.c: Likewise.
23005 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
23007 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
23010 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23012 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
23015 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
23017 * cpp.texi: Add a node documenting macro varargs (copied
23020 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
23022 * cppspec.c: Put a null pointer at the end of the new argv.
23024 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
23026 * configure.in: Remove code to select/de-select the haifa
23027 scheduler. Every scheduled port gets haifa now.
23028 * configure: Rebuilt.
23029 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
23031 * Makefile.in: Corresponding changes.
23033 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23035 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
23036 All callers changed.
23037 (prepare_float_lib_cmp): Likewise.
23038 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
23039 * expr.h (emit_float_lib_cmp): Delete declaration.
23040 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
23041 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
23042 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
23044 (cmptf): Now conditional on TARGET_HARD_QUAD.
23046 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
23048 * resource.c (mark_target_live_regs): Use
23049 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
23051 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23053 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
23055 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
23057 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
23059 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23061 * rtl.h (rtx_format): Constify a char*.
23063 * rtl.c (rtx_format): Likewise.
23064 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
23065 (init_rtl): Use accessor macro, not `rtx_format'.
23067 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
23070 * caller-save.c (mark_referenced_regs): Likewise.
23072 * combine.c (subst, make_compound_operation, known_cond,
23073 gen_rtx_combine, update_table_tick, get_last_value_validate,
23074 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
23076 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
23077 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
23078 count_reg_usage): Likewise.
23080 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
23083 * final.c (leaf_renumber_regs_insn): Likewise.
23085 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
23086 dump_edge_info, count_reg_references): Likewise.
23088 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
23089 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
23092 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
23093 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
23094 add_label_notes): Likewise.
23096 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
23097 clear_struct_flag, count_sub_rtxs, count_alternatives,
23098 compares_alternatives_p, contained_in_p, walk_attr_value,
23099 write_expr_attr_cache): Likewise.
23101 * genconfig.c (walk_insn_part): Likewise.
23103 * genemit.c (max_operand_1, gen_exp): Likewise.
23105 * genextract.c (walk_rtx): Likewise.
23107 * genflags.c (num_operands): Likewise.
23109 * genoutput.c (scan_operands): Likewise.
23111 * genpeep.c (match_rtx): Likewise.
23113 * genrecog.c (add_to_sequence): Likewise.
23115 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
23118 * integrate.c (save_constants, copy_for_inline,
23119 copy_rtx_and_substitute, subst_constants, restore_constants):
23122 * jump.c (mark_jump_label, invert_exp, redirect_exp,
23123 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
23125 * local-alloc.c (contains_replace_regs, memref_referenced_p):
23128 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
23129 add_label_notes, replace_call_address, count_nonfixed_reads,
23130 invariant_p, find_single_use_in_loop, find_mem_givs,
23131 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
23134 * print-rtl.c (reg_names, print_rtx): Likewise.
23136 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
23138 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
23139 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
23140 print_blocks): Likewise.
23142 * regclass.c (fix_register, record_address_regs,
23143 reg_scan_mark_refs): Likewise.
23145 * regmove.c (stable_but_for_p): Likewise.
23147 * reload.c (loc_mentioned_in_p, operands_match_p,
23148 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
23149 copy_replacements, refers_to_regno_for_reload_p,
23150 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
23151 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
23154 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
23155 delete_address_reloads_1, count_occurrences,
23156 reload_cse_mem_conflict_p, reload_combine_note_use,
23157 add_auto_inc_notes): Likewise.
23159 * resource.c (mark_referenced_resources, mark_set_resources):
23162 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
23163 reg_mentioned_p, regs_set_between_p, modified_between_p,
23164 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
23165 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
23166 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
23167 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
23169 * sched.c (sched_analyze_2, attach_deaths): Likewise.
23171 * stupid.c (stupid_mark_refs): Likewise.
23173 * unroll.c (remap_split_bivs): Likewise.
23175 * varasm.c (mark_constants): Likewise.
23177 * a29k/a29k.c (uses_local_reg_p): Likewise.
23179 * alpha/alpha.c (summarize_insn): Likewise.
23181 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
23182 eliminate_lr2ip): Likewise.
23184 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
23186 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
23187 reg_mentioned_in_mem): Likewise.
23189 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
23190 symbolic_reference_mentioned_p): Likewise.
23192 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
23194 * sh/sh.c (regs_used, mark_use): Likewise.
23196 * vax/vax.c (vax_rtx_cost): Likewise.
23198 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23200 * machmode.h (mode_name): Constify a char*.
23202 * rtl.c (mode_name): Likewise.
23204 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
23206 * optabs.c (init_libfuncs): Constify a char*.
23208 * print-tree.c (mode_name): Remove redundant declaration.
23209 (print_node): Use accessor macro, not `mode_name'.
23211 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
23213 (new_spill_reg): Constify a char*.
23215 * tree.c (mode_name): Remove redundant declaration.
23217 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23219 * rtl.c (rtx_name): Constify a char*.
23221 * rtl.h (rtx_name, fix_sched_param): Likewise.
23223 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23224 (mypr): Use accessor macro, not `rtx_name'.
23226 * genemit.c (print_code): Constify a char*.
23228 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23230 * genpeep.c (print_code): Constify a char*.
23232 * genrecog.c (print_code): Likewise.
23234 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23235 end_bb): Add static prototype.
23236 (draw_edge): Constify a char*.
23237 (end_bb): Remove unused parameter.
23239 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23240 print_block_visualization): Constify a char*.
23242 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23244 * c-common.c (c_get_alias_set): Update comment.
23246 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23248 * linux.h (LIB_SPEC): Added.
23250 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23252 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23254 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23256 * tree.c (expr_check): Fix typo in last change.
23258 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23260 * rtl.def (NOTE): Change format to "iuu0n".
23261 (ADDR_DIFF_VEC): Change format to "eEee0".
23262 (ADDRESSOF): Change format to "eit".
23264 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23265 (RTVEC_ELT): Change to match.
23266 (XVECEXP): Use XVEC and RTVEC_ELT.
23267 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23268 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23269 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23270 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23271 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23272 (INTVAL): Use XWINT.
23273 (ADDRESSOF_DECL): Use XTREE.
23274 (SET_ADDRESSOF_DECL): Delete.
23275 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23276 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23277 ifdefed out since 2.6 at least.
23278 (gen_rtvec_vv): Delete prototype.
23280 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23282 (copy_most_rtx): Handle 't' format letter.
23283 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23284 (gen_rtvec_vv): Delete function. All callers changed to use
23285 gen_rtvec_v instead.
23286 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23287 the '0' format letter.
23289 * function.c (gen_mem_addressof): Don't use
23290 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23292 * integrate.c (copy_rtx_and_substitute): Likewise.
23293 Copy 't' slots with XTREE.
23294 (subst_constants): Treat 't' slots like '[swi]' slots.
23295 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23296 * jump.c (rtx_equal_for_thread_p): Likewise.
23297 * rtlanal.c (rtx_equal_p): Likewise.
23298 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23299 only four arguments.
23300 * gengenrtl.c (type_from_format): Provide correct types for
23304 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23305 If a recent gcc is in use (always in stage2 and beyond), use
23306 statement expressions, so we don't make a function call unless
23307 the check fails. Evaluate arguments exactly once.
23308 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23309 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23311 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23312 they evaluate their arguments exactly once, irrespective of
23313 the compiler in use.
23315 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23316 is used by the currently-enabled check macros. This is:
23317 (tree_check_failed, tree_class_check_failed): For gcc.
23318 (tree_check, tree_class_check, cst_or_constructor_check,
23319 expr_check): For other compilers.
23321 * gencheck.c: Do not define any *_CHECK1 macros.
23323 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23324 Mark Mitchell <mark@codesourcery.com>
23326 * c-common.c (c_get_alias_set): Fix support for poitners and
23329 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23331 * alias.c: Include tree.h.
23332 (nonlocal_reference_p, mark_constant_function): New functions.
23333 * flow.c (life_analysis): Call mark_constant_function.
23334 * rtl.h (mark_constant_function): Declare it.
23336 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23338 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23339 unrecognisable switches.
23341 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23343 * loop.c (recombine_givs): Set ix field after sorting.
23344 (recombine_givs): Remove bogus index / giv lockstep looping.
23346 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23348 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23350 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23351 (do_cmp_and_jump): Formatting fixes.
23352 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23353 do_compare_rtx_and_jump instead of compare_from_rtx.
23354 (do_compare_rtx_and_jump): New function; mostly copied from
23356 (do_jump_for_compare): Delete.
23357 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23359 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23360 of compare/do_jump_for_compare pairs.
23361 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23362 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23363 compare_from_rtx/do_jump_for_compare pairs.
23364 (do_jump_by_parts_equality): Likewise.
23365 (do_jump_by_parts_equality_rtx): Likewise.
23366 * expr.h (do_compare_rtx_and_jump): Declare.
23367 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23368 that used to be in emit_cmp_insn.
23369 (cmp_available_p): New function.
23370 (prepare_operand): New function.
23371 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23372 to be in emit_cmp_insn.
23373 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23374 parameters to be pointers; don't emit final compare but modify some of
23375 the values pointed to by the args so the caller can perform the
23376 correct comparison.
23377 (expand_binop): Call emit_store_flag_force with signed forms of
23379 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23380 emit_jump_insn pair.
23381 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23382 emit_cmp_and_jump_insn_1. Call emit_queue.
23383 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23385 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23386 jump sets cc0 before deleting it.
23387 * integrate.c (expand_inline_function): Likewise.
23388 * unroll.c (unroll_loop): Similar changes in several places.
23389 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23390 before deleting it.
23392 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23394 * Makefile.in (insn-recog.o): Update dependencies.
23395 * genrecog.c (main): Make generated file include "function.h".
23397 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23399 * cse.c (cse_insn): Call never_reached_warning when a jump is
23400 changed to be unconditional.
23401 * flags.h: Declare warn_notreached.
23402 * flow.c (delete_block): Call never_reached_warning when
23403 a block is deleted.
23404 * jump.c (delete_barrier_successors): Call never_reached_warning
23405 when we delete everything after a BARRIER.
23406 (never_reached_warning): New function.
23407 * rtl.h: Declare never_reached_warning.
23408 * toplev.c (warn_notreached): New variable.
23409 (lang_independent_options): Set warn_notreached
23410 when -Wunreachable-code.
23411 (compile_file): We need line numbers for -Wunreachable-code.
23413 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23415 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23416 * sched.c (insn_unit): Likewise.
23418 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23420 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23422 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23424 * flow.c (create_edge_list): Use xmalloc, not malloc.
23426 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23428 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23429 C-style comments. Do not lose the character before double slash.
23431 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23433 * basic-block.h (struct edge_list): Stucture to maintain a vector
23435 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23436 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23437 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23438 New function prototypes.
23439 * flow.c (create_edge_list): Function to create an edge list.
23440 (free_edge_list): Discards memory used by an edge list.
23441 (print_edge_list): Debug output showing an edge list.
23442 (verify_edge_list): Internal consistency check for an edge list.
23443 (find_edge_index): Function to find an edge index for a pred and succ.
23445 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23447 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23450 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23452 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23454 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23456 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23458 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23460 * toplev.c (rest_of_compilation): Allow machine dependent
23461 reorganisation pass to place information into the RTL dump
23462 file if it so wishes.
23464 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23466 * explow.c (hard_function_value): Use VOIDmode instead of
23468 * stmt.c (expand_return): Likewise.
23469 * stor-layout.c (get_best_mode): Likewise.
23471 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23472 emit call instead of emit_insn call.
23474 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23476 * configure.in: Handle --disable/enable-win32-registry.
23477 * install.texi: Document --disable/enable-win32-registry.
23478 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23479 (WIN32_REGISTRY_KEY): New macro.
23480 * prefix.c: Use to enable/disable win32-specific code.
23481 (lookup_key): Use versioned key.
23482 * configure: Regenerate.
23483 * config.in: Likewise.
23485 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23487 * cpplib.c (read_line_number): New fn, split out of...
23490 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23492 tree.c (lang_unsave_expr_now) : New.
23493 (unsave_expr_now): Call lang_unsave_expr_now.
23494 tree.h (lang_unsave_expr_now) : New.
23496 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23498 * toplev.c (flag_new_exceptions): On by default.
23500 1999-08-13 Michael Meissner <meissner@cygnus.com>
23502 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23504 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23506 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23507 INTEGER_TYPE with precision==1, it's __java_boolean.
23509 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23511 * global.c (prune_preferences): Move some invariants out of the
23514 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23516 * configure.in (alpha*-dec-osf*): Add osf5.
23518 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23520 * configure.in: Rework handling of ARM GNU/Linux slightly.
23521 (arm*-*-linux-gnuoldld): New target.
23522 * configure: Regenerate.
23523 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23524 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23525 * config/arm/linux-oldld.h: New file.
23526 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23527 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23529 * config/arm/linux-elf.h (ASM_SPEC): Define.
23530 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23531 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23532 for 26-bit APCS and old linker.
23533 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23535 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23536 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23537 don't define `arm' or `arm_elf'.
23538 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23539 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23541 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23543 * rtl.texi: Fix typo.
23545 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23547 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23549 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23551 * extend.texi (C++ Signatures): Remove node.
23552 * invoke.texi: Remove discussion of -fhandle-signatures,
23553 signature, sigof, __signature__, and __sigof__.
23555 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23557 * Makefile.in (JAVAGC): Removed.
23559 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23561 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23563 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23565 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23567 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23569 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23570 a register that is already known to be a pointer.
23572 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23574 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23575 * fixinc/inclhack.sh: Regenerated.
23576 * fixinc/fixincl.sh: Regenerated.
23578 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23580 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23581 Fix documentation of -ansi flag to describe its C++ behavior.
23582 Remove bogus reference to GCC 2.9.
23584 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23586 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23587 note if it is non-NULL.
23589 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23591 * except.h (eh_nesting_info): Add new structure defintion.
23592 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23593 (reachable_handlers, update_rethrow_references): Add function
23595 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23596 a rethrow symbol instead of an integer exception region number.
23597 * flow.c (Make_edges): Use new exception nesting routines to determine
23598 which handlers are reachable from a CALL or asynchronous insn.
23599 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23601 (delete_eh_regions): Update rethrow labels, and don't delete
23602 regions which are the target of a rethrow.
23603 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23604 avoid overloading the SYMBOL_REF_USED flag.
23605 (rethrow_symbol_map): Use new rethrow_ref field.
23606 (rethrow_used): Use new rethrow_ref field.
23607 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23608 of an integer. Fix formatting.
23609 (output_exception_table_entry): Use new rethrow_ref field.
23610 (can_throw): Check for EH_REGION_NOTE before deciding
23611 whether a CALL can throw or not.
23612 (scan_region): Call rethrow_used() instead of accessing data structure.
23613 (update_rethrow_references): New function to make sure only regions
23614 which are still targets of a rethrow are flagged as such.
23615 (process_nestinfo): New static function to initialize a handler
23616 list for a specific region.
23617 (init_eh_nesting_info): New function to allocate and initialize
23618 the list of all EH handlers reachable from all regions.
23619 (reachable_handlers): New function to retrieve the list of handlers
23620 reachable from a specific region and insn.
23621 (free_eh_nesting_info): New function to dispose of a list of
23622 reachable handlers.
23624 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23626 * flow.c (split_edge): Set JUMP_LABEL field.
23627 (commit_one_edge_insertion): Set head correctly for insert_before.
23628 When inserting insns, update insn block numbers if allocated.
23630 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23632 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23633 retry_incomplete_types): Add static prototype.
23634 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23635 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23636 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23637 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23638 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23641 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23642 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23644 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23646 * output.h (assemble_name): Constify a char*.
23648 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23649 assemble_variable, assemble_name): Likewise.
23651 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23653 * arm/pe.c (arm_pe_unique_section): Likewise.
23655 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23657 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23659 * i386/interix.c (i386_pe_unique_section): Likewise.
23661 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23663 * i386/winnt.c (i386_pe_unique_section): Likewise.
23665 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23667 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23669 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23671 * pa/pa.c (output_call): Likewise.
23673 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23675 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23677 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23680 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23683 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23685 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23686 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23688 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23690 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23692 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23694 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23696 * tree.h (lang_identify): Constify a char*.
23697 (print_error_function): Add extern prototype. Constify a char*.
23699 * c-lang.c (lang_identify): Constify a char*.
23701 * objc/objc-act.c (lang_identify): Constify a char*.
23703 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23705 * genpeep.c (main): Make generated file include "function.h".
23706 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23708 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23710 * Makefile.in: Update dependencies.
23711 * alias.c: Include "function.h"
23712 * c-decl.c: Likewise.
23713 * caller-save.c: Likewise.
23714 * calls.c: Likewise.
23715 * combine.c: Likewise.
23717 * explow.c: Likewise.
23718 * final.c: Likewise.
23719 * global.c: Likewise.
23720 * graph.c: Likewise.
23721 * local-alloc.c: Likewise.
23722 * loop.c: Likewise.
23723 * optabs.c: Likewise.
23724 * profile.c: Likewise.
23725 * recog.c: Likewise.
23726 * regclass.c: Likewise.
23727 * regmove.c: Likewise.
23728 * reload.c: Likewise.
23729 * reorg.c: Likewise.
23730 * resource.c: Likewise.
23731 * sched.c: Likewise.
23732 * stupid.c: Likewise.
23733 * config/1750a/1750a.c: Likewise.
23734 * config/a29k/a29k.c: Likewise.
23735 * config/arc/arc.c: Likewise.
23736 * config/arm/arm.c: Likewise.
23737 * config/arm/thumb.c: Likewise.
23738 * config/c4x/c4x.c: Likewise.
23739 * config/clipper/clipper.c: Likewise.
23740 * config/convex/convex.c: Likewise.
23741 * config/fx80/fx80.c: Likewise.
23742 * config/i860/i860.c: Likewise.
23743 * config/m68k/m68k.c: Likewise.
23744 * config/m88k/m88k.c: Likewise.
23745 * config/mips/mips.c: Likewise.
23746 * config/pdp11/pdp11.c: Likewise.
23747 * config/pyr/pyr.c: Likewise.
23748 * config/romp/romp.c: Likewise.
23749 * config/sh/sh.c: Likewise.
23750 * config/tahoe/tahoe.c: Likewise.
23751 * config/vax/vax.c: Likewise.
23752 * config/we32k/we32k.c: Likewise.
23753 * config/sparc/sparc.c: Include "function.h".
23754 (mem_min_alignment): Test current_function rather than
23755 regno_pointer_align.
23756 * config/pa/pa.c: Likewise.
23757 (compute_frame_size): Delete declaration of
23758 current_function_outgoing_args_size.
23759 * config/arc/arc.h (current_function_varargs): Delete declaration.
23760 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23762 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23764 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23765 current_function_uses_pic_offset_table.
23766 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23767 of current_function_returns_pointer.
23768 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23769 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23770 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23771 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23772 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23773 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23774 * config/m88k/m88k.c: Include "function.h"
23775 (call_used_regs, current_function_pretend_args_size,
23776 current_function_outgoing_args_size, frame_pointer_needed): Delete
23778 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23780 * config/mips/mips.h (current_function_calls_alloca): Delete
23782 * config/mn10200/mn10200.h (current_function_needs_context,
23783 rtx_equal_function_value_matters): Delete declarations.
23784 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23785 flag_pic): Delete declarations.
23786 * config/pa/pa.h (current_function_pretend_args_size,
23787 current_function_decl): Delete declarations.
23788 * config/pa/som.h (current_function_varargs): Delete declaration.
23789 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23791 * config/pyr/pyr.h (current_function_pretend_args_size,
23792 current_function_args_size, current_function_calls_alloca): Delete
23794 * config/sh/sh.h (current_function_varargs): Delete declaration.
23795 * config/sparc/sparc.h (current_function_outgoing_args_size,
23796 current_function_calls_alloca, current_function_decl): Delete
23798 * config/spur/spur.h (current_function_pretend_args_size,
23799 current_function_calls_alloca): Delete declarations.
23800 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23802 * config/vax/vms.h (current_function_name): Delete declaration.
23803 * gcse.c: Include "function.h".
23804 (current_function_name, current_function_calls_setjmp): Delete
23806 * haifa-sched.c: Include "function.h".
23807 (forced_labels): Delete declaration.
23808 * jump.c: Likewise.
23809 * reg-stack.c: Likewise.
23810 * reload1.c: Likewise.
23811 * genemit.c (main): Make generated file include function.h.
23812 * genoutput.c (output_prologue): Likewise.
23814 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23815 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23816 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23817 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23818 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23819 macros for some of them.
23820 (emit_filename, emit_lineno): Delete declarations.
23821 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23822 regno_pointer_* variables through current_function.
23823 (gen_inline_header_rtx): Delete function.
23824 (save_emit_status): Delete function.
23825 (set_new_last_label_num): New function.
23826 (clear_emit_caches): New function.
23827 (restore_emit_status): Just clear last_labelnum and call
23829 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23830 through macro seq_stack.
23831 (add_insn_after): Likewise.
23832 (add_insn_before): Likewise.
23833 (remove_insn): Likewise.
23834 (pop_topmost_sequence): Likewise.
23835 (in_sequence_p): Likewise.
23836 (start_sequence_for_rtl_expr): Likewise.
23837 (start_sequence): Likewise, and likewise for
23838 sequence_rtl_expr/seq_rtl_expr.
23839 (push_topmost_sequence): Likewise.
23840 (end_sequence): Likewise.
23841 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23842 All callers changed. Store into that pointer instead of globals.
23843 (init_emit): Allocate emit elt of current_function.
23844 Changes for sequence_rtl_expr/sequence_stack renaming.
23845 Call clear_emit_caches instead of doing it in-line.
23846 Access regno_pointer_* variables through current_function.
23847 (init_emit_once) Don't clear sequence_stack.
23849 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23851 (arg_pointer_save_area): Delete declaration.
23852 (finish_expr_for_function): Renamed from init_queue; no longer static.
23853 (init_expr): Don't call init_queue.
23854 (save_expr_status, restore_expr_status): Delete functions.
23855 (expand_expr): Changes to reflect new layout of struct function.
23856 Don't access current_function_check_memory_usage when current_function
23858 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23859 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23860 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23861 current_function_uses_const_pool, function_call_count,
23862 current_function_uses_pic_offset_table, nonlocal_labels,
23863 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23864 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23865 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23867 (finish_expr_for_function): Declare.
23868 * flags.h (current_function_has_nonlocal_label,
23869 current_function_has_nonlocal_goto, current_function_is_thunk,
23870 current_function_has_computed_jump): Delete declarations.
23871 * flow.c (forced_labels): Delete declaration.
23872 * function.c (current_function_pops_args,
23873 current_function_returns_struct, current_function_returns_pcc_struct,
23874 current_function_needs_context, current_function_calls_setjmp,
23875 current_function_calls_longjmp, current_function_has_nonlocal_label,
23876 current_function_has_nonlocal_goto, current_function_is_thunk,
23877 current_function_has_computed_jump, current_function_calls_alloca,
23878 current_function_contains_functions, current_function_returns_pointer,
23879 current_function_epilogue_delay_list, current_function_args_size,
23880 current_function_pretend_args_size, current_function_arg_offset_rtx,
23881 current_function_outgoing_args_size, current_function_varargs,
23882 current_function_stdarg, current_function_args_info, cleanup_label,
23883 current_function_name, current_function_uses_const_pool,
23884 current_function_instrument_entry_exit, current_function_return_rtx,
23885 current_function_uses_pic_offset_table, nonlocal_labels,
23886 current_function_internal_arg_pointer, current_function_cannot_inline,
23887 current_function_check_memory_usage, function_call_count,
23888 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23889 nonlocal_goto_stack_level, return_label, save_expr_regs,
23890 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23891 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23892 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23893 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23894 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23896 (push_function_context_to): Don't save them. Don't call
23897 save_storage_status, save_emit_status or save_expr_status.
23898 (pop_function_context_from): Don't restore them. Don't call
23899 restore_storage_status or restore_expr_status.
23900 (get_func_frame_size): New function.
23901 (get_frame_size): Use it.
23902 (assign_outer_stack_local): Reflect some member name changes in struct
23904 (put_reg_into_stack): Likewise.
23905 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23907 (fixup_var_refs): Likewise.
23908 (fix_lexical_addr): Likewise.
23909 (trampoline_address): Likewise.
23910 (prepare_function_start): Clear field inlinable of current_function.
23911 (init_function_for_compilation): New function.
23912 (expand_dummy_function_end): New function.
23913 (expand_function_end): Call finish_expr_for_function.
23914 * function.h (struct emit_status): New; fields moved here from struct
23915 function and from global variables. Add accessor macros for some of
23917 (struct expr_status): Likewise.
23918 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23919 (struct function): Add fields expr and emit, inlinable, inl_emit,
23920 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23921 inl_max_label_num. Add many comments.
23922 Add accessor macros for all elts of struct function that no longer
23923 have a global variable.
23924 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23925 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23926 stack_slot_list): Delete declarations.
23927 (get_func_frame_size): Declare.
23928 (save_expr_status, restore_expr_status, save_emit_status,
23929 save_storage_status, restore_storage_status): Delete declarations.
23930 (init_virtual_regs): Declare.
23931 * output.h (current_function_pops_args,
23932 current_function_returns_struct, current_function_returns_pcc_struct,
23933 current_function_needs_context, current_function_calls_setjmp,
23934 current_function_calls_longjmp, current_function_calls_alloca,
23935 current_function_has_nonlocal_label, current_function_varargs,
23936 current_function_has_computed_jump, current_function_returns_pointer,
23937 current_function_contains_functions, current_function_args_size,
23938 current_function_pretend_args_size, current_function_stdarg,
23939 current_function_outgoing_args_size, current_function_args_info,
23940 current_function_name, current_function_return_rtx,
23941 current_function_epilogue_delay_list,
23942 current_function_uses_const_pool, current_function_cannot_inline):
23943 Delete declarations.
23944 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23945 regno_reg_rtx): Delete declaration.
23946 (REGNO_POINTER_FLAG): Delete macro.
23947 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23948 function were renamed.
23949 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23951 * toplev.c: Include "function.h".
23952 (current_function_decl): Delete declaration.
23953 (compile_file): Call init_dummy_function_start and
23954 expand_dummy_function_end around some initializations that need to
23956 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23957 Call init_function_for_compilation.
23958 * unroll.c: Include "function.h"
23959 (unroll_loop): Access regno_pointer_* variables through
23962 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23963 (DECL_SAVED_INSNS): use it.
23964 (expand_dummy_function_end): Declare.
23965 (init_function_for_compilation): Declare.
23966 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23967 that it's no longer an INLINE_HEADER.
23968 (expand_call): Likewise.
23969 * integrate.c (finish_inline): Delete function.
23970 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23971 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23972 args. Don't generate an INLINE_HEADER rtx, just return the arg
23973 vector. All callers changed.
23974 (save_for_inline_copying): Create a duplicate struct emit_status to
23975 hold the emit state for compiling the current function. Use this and
23976 the other new fields in struct function that are for integration
23977 instead of an INLINE_HEADER.
23978 Use memcpy instead of bcopy.
23979 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23980 (save_for_inline_nocopy): Similar changes, except no new emit_status
23982 (expand_inline_function): Get information from function structure,
23983 not from an inline header rtx.
23984 (output_inline_function): Lose code to extract the necessary
23985 information from an inline header; simply put back the function
23986 structure into current_function. Clear its inlinable elt.
23987 * rtl.def (INLINE_HEADER): Delete.
23988 * rtl.h: Delete all accessors for an INLINE_HEADER.
23989 (gen_inline_header_rtx): Delete declaration.
23990 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23991 Delete declarations.
23992 (REGNO_POINTER_ALIGN): Delete.
23993 (clear_emit_caches): Declare.
23994 (set_new_last_label_num): Declare.
23996 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23998 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
24000 * except.c (expand_eh_region_start_for_decl): Always start a new block.
24001 * stmt.c (is_eh_region): Make sure current_function is present, too.
24003 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
24005 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
24006 for 64bit PA targets.
24008 * pa.h (SELECT_SECTION): Define.
24009 * som.h (SELECT_SECTION): Delete.
24011 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24013 * alias.c (init_alias_analysis): Wrap call to
24014 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
24016 1999-08-07 Bruce Korb <autogen@linuxbox.com>
24018 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
24019 <sys/asm.h> contains an asm comment with an apostrophe
24020 * fixinc/inclhack.sh: regen
24021 * fixinc/fixincl.x: regen
24023 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
24025 * function.c (init_function_start): Clear prologue & epilogue.
24026 (prologue_epilogue_contains): New function.
24027 * alias.c (init_alias_analysis): Use it.
24028 * rtl.h (prologue_epilogue_contains): Declare it.
24030 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
24032 * jump.c (onlyjump_p): New function.
24033 * rtl.h: Declare it.
24034 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
24035 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
24037 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
24039 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
24040 to invert loops. Simplify block scanning.
24042 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24044 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
24045 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
24047 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
24049 * config/sparc/liteelf.h: New file to support sparclite-elf target
24050 * config/sparc/t-sp86x: New file to support sparc86x targets
24051 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
24052 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
24053 * configure.in: Support above target triplets
24054 * configure: Regenerated
24056 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
24058 * fixinc/server.c (server_setup): Do not prefix function used as
24059 parameter with `&'.
24061 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
24063 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
24064 Remove fp reg alternatives.
24066 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
24068 * Makefiin (TAROUTOPTS): Kill.
24069 (install-headers-tar): Use "xpf" for tar headerfile extraction
24070 * i370/x-oe (TAROUTOPTS): Delete.
24071 * m68k/x-apollo68 (TAROUTOPTS): Delete.
24072 * m68k/x-hp320 (TAROUTOPTS): Delete.
24073 * m68k/x-hp320g (TAROUTOPTS): Delete.
24074 * gcc.texi: Update bug reporting text.
24076 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
24078 * reg-stack.c (change_stack) Fixed problem with negative array index.
24080 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
24082 * extend.texi, install.texi: Fix spelling mistakes.
24084 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
24085 (s-attrtab); No longer try to use pre-made insn-attrtab file.
24086 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
24087 PREMADE_ATTRTAB_MD.
24088 * mips/t-ecoff: Likewise.
24089 * mips/t-elf: Likewise.
24090 * mips/t-mips: Likewise.
24091 * mips/t-osfrose: Likewise.
24092 * mips/t-r3900: Likewise.
24093 * mips/t-svr3: Likewise.
24094 * mips/t-svr4: Likewise.
24095 * mips/t-ultrix: Likewise.
24097 * gcc.texi: Document recommend means to provide software floating
24098 point libraries in libgcc.a
24100 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
24102 * c-lex.c (yylex): We can have a number with no digits.
24104 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
24106 * jump.c (delete_prior_computation): New function, broken
24107 out of delete_computation. Check for side effects with
24108 side_effects_p instead of FIND_REG_INC_NOTE. Handle
24109 multi-word hard registers.
24110 (delete_computation): Use it. Check for side effects with
24111 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
24112 missing REG_DEAD note for a register which is both set and
24115 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
24117 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
24118 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
24119 (ASM_FILE_START): Import _mcount with the right type.
24120 (ASM_DECLARE_FUNCTION_NAME): Define.
24121 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
24122 * pa.c (output_function_prologue): Always emit the function's label
24124 * pa.h (TEXT_SPACE_P): Define.
24125 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24126 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
24127 * som.h (TEXT_SPACE_P): Delete.
24128 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
24129 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
24131 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
24133 * expr.c (emit_group_load): Allow src to be a CONCAT.
24135 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24137 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
24138 (___mulsi3): Use '!' comment character.
24140 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24142 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
24144 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
24146 * gcc.c: Update URLs and mail addresses.
24147 * gcc.texi: Likewise.
24149 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
24151 * rs6000.c (current_file_function_operand): Return zero for
24153 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
24155 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
24158 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
24160 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
24161 allocate space in the stack frame for the PIC register.
24163 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
24165 * m68k.md (xordi3, anddi3): These patterns are not available on
24168 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
24170 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
24171 (PUT_REAL): Likewise.
24173 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24175 * final.c (shorten_branches): Don't add an alignment for loops
24176 that have no label inside.
24178 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24180 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
24181 prototypes in macro HAVE_cmpstrsi.
24183 * cpplib.c (cpp_get_token): Remove unused label `op3'.
24185 * emit-rtl.c (operand_subword): Remove unused variable
24188 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
24190 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
24192 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
24194 * cpphash.c (macroexpand): Delete leading whitespace when arg
24195 is concatenated before.
24196 (unsafe_chars): Correct test for whether + and - can extend a
24199 * cppinit.c (cpp_start_read): Do dependencies for
24200 -include/-imacros files also.
24202 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
24203 tokenizing non-directive lines.
24204 (cpp_expand_to_buffer): Temporarily disable no-output mode.
24205 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
24208 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24210 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
24212 * c-lex.c: Sync with C++ frontend.
24213 (linemode): New variable.
24214 (parse_float): imag, conversion_errno, and type are output only.
24215 (yylex): Adjust. Move initial '.' case into main switch.
24217 (handle_generic_pragma): Just deal with tokens.
24218 (readescape): Use ISXDIGIT and ISGRAPH.
24219 * c-parse.in: Add END_OF_LINE token.
24221 * c-lex.c (lang_init): Generalize.
24222 (nextchar): Remove. Replace uses with UNGETC.
24223 (skip_white_space): Handle linemode here. Optimize for cpplib.
24224 (skip_white_space_on_line): Remove.
24225 (extend_token_buffer_to): New fn.
24226 (extend_token_buffer): Use it.
24227 (read_line_number, check_newline): Just deal with tokens.
24228 (token_getch, token_put_back): New fns.
24229 (yylex): Use them. More cpplib optimizations. Simplify.
24231 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24232 Jason Merrill <jason@yorick.cygnus.com>
24234 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24235 (consume_string): Make this smart about USE_CPPLIB.
24236 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24237 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24238 Also, clean up cases where we redundantly set token_buffer[0].
24239 (read_line_number): New fn.
24240 (ignore_escape_flag): New variable.
24242 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24244 * a29k/t-a29kbare: Fix some comments.
24245 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24246 (FPBIT, DPBIT): Define.
24247 * a29k/t-vx29k: Likewise.
24248 * arc/t-arc: Likewise.
24249 * arm/t-arm-elf: Likewise.
24250 * arm/t-bare: Likewise.
24251 * arm/t-pe: Likewise.
24252 * arm/t-pe-thumb: Likewise.
24253 * arm/t-semi: Likewise.
24254 * arm/t-thumb: Likewise.
24255 * arm/t-thumb-elf: Likewise.
24256 * arm/t-thumb-linux: Likewise.
24257 * h8300/t-h8300: Likewise.
24258 * i960/t-i960: Likewise.
24259 * i960/t-vxworks960: Likewise.
24260 * m32r/t-m32r: Likewise.
24261 * mips/t-ecoff: Likewise.
24262 * mips/t-elf: Likewise.
24263 * mips/t-r3900: Likewise.
24264 * pa/t-pro: Likewise.
24265 * rs6000/t-aix43: Likewise.
24266 * rs6000/t-beos: Likewise.
24267 * rs6000/t-newas: Likewise.
24268 * rs6000/t-ppccomm: Likewise.
24269 * rs6000/t-rs6000: Likewise.
24270 * rs6000/t-winnt: Likewise.
24271 * rs6000/t-xnewas: Likewise.
24272 * rs6000/t-xrs6000: Likewise.
24273 * sh/t-sh: Likewise.
24274 * sparc/t-elf: Likewise.
24275 * sparc/t-sparcbare: Likewise.
24276 * sparc/t-sparclite: Likewise.
24277 * sparc/t-splet: Likewise.
24278 * v850/t-v850: Likewise.
24279 * mn10200/t-mn10200: Fix comments.
24280 * mn10300/t-mn10300: Likewise.
24282 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24283 dummy operand. Allocate a new pseudo for the dummy operand.
24284 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24286 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24288 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24290 * configure: Rebuilt.
24291 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24293 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24295 * recog.c (preproces_constraints): Zero recog_op_alt before
24296 processing the constraints.
24298 * arm.c (typedef minipool_node): Renamed from pool_node.
24299 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24300 (add_minipool_constant): New function.
24301 (dump_minipool): New function.
24302 (find_barrier): Remove special case for getting the insn size of
24303 an insn that references the constant pool.
24304 (minipool_fixup): New structure.
24305 (push_minipool_barrier): New function.
24306 (push_minipool_fix): New function.
24307 (note_invalid_constants): New function.
24308 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24309 (arm_reorg): Rewrite code to fix up the constant pool into a
24310 series of mini-pools embedded in the insn stream.
24311 (arm_output_epilogue): New function, made mainly from the body
24312 of output_func_epilogue.
24313 (output_func_epilogue): Move insn generation part of epilogue code
24314 to arm_output_epilogue.
24315 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24316 * arm.md (pool_range): New attribute.
24317 (zero_extendqidi2): Add attribute pool_range.
24318 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24319 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24320 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24321 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24322 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24323 (epilogue): New expand.
24324 (epilogue_insn): New insn. Call arm_output_epilogue.
24326 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24327 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24329 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24331 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24333 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24335 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24337 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24339 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24341 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24343 * global.c: Fix comment.
24345 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24347 * gcc.c (access_check): New static function.
24348 (find_a_file): Use it when searching a directory list.
24349 * collect2.c (find_a_file): Don't accept directories found when
24350 searching a directory list.
24352 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24354 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24355 function parameters with `&'.
24356 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24358 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24360 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24361 or tidy_fallthru_edge if the last insn in the block is not
24362 an unconditional jump or a simple conditional jump.
24364 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24366 * Makefile.in (c-decl.o): Depends on defaults.h.
24368 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24370 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24372 (CLASS_MAX_NREGS): Likewise.
24374 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24376 * cse.c (cse_insn): Fix dumb thinko in last change.
24378 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24380 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24383 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24385 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24386 test for sizes of passed and declared parameter types.
24388 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24390 * fixincludes: Fix the return type of bsearch, char* -> void*.
24392 * fixinc/inclhack.def: Likewise.
24394 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24396 * invoke.texi (-fdump-translation-unit): New option.
24398 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24400 * expr.h (PROMOTE_PROTOTYPES): Move ...
24401 * defaults.h: ... to here.
24402 * c-decl.c: Include defaults.h instead of expr.h.
24403 * c-typeck.c: Include defaults.h.
24405 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24407 * toplev.h (errorcount): Declare.
24408 (warningcount): Likewise.
24409 (sorrycount): Likewise.
24410 * c-lex.c (errorcount): Don't declare.
24411 * dwarf2out.c (errorcount): Don't declare.
24413 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24415 * config/libgloss.h: Add a note discouraging use with ELF.
24416 * configure.in: Don't use libgloss.h for ELF targets.
24417 Always use_collect2 on a.out targets.
24419 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24421 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24422 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24424 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24426 * loop.c (strength_reduce): When doing biv->giv conversion, update
24427 reg note of NEXT->insn.
24429 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24431 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24433 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24435 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24436 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24437 Ensure expr.h is included.
24438 * c-typecheck.c (convert_arguments): Ditto.
24440 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24442 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24443 * config/convex/convex.h: Ditto.
24444 * config/dsp16xx/dsp16xx.h: Ditto.
24445 * config/fx80/fx80.h: Ditto.
24446 * config/gmicro/gmicro.h: Ditto.
24447 * config/i370/i370.h: Ditto.
24448 * config/i386/i386.h: Ditto.
24449 * config/m32r/m32r.h: Ditto.
24450 * config/m68k/m68k.h: Ditto.
24451 * config/m88k/m88k.h: Ditto.
24452 * config/mips/mips.h: Ditto.
24453 * config/pa/pa.h: Ditto.
24454 * config/pyr/pyr.h: Ditto.
24455 * config/tahoe/tahoe.h: Ditto.
24456 * config/we32k/we32k.h: Ditto.
24458 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24459 based on arch size.
24461 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24463 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24466 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24468 1999-08-02 Richard Henderson <rth@cygnus.com>
24470 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24471 for the register spill block.
24472 (m32r_va_arg): New.
24473 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24474 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24476 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24477 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24478 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24480 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24482 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24483 MAX_WCHAR_TYPE defined in sparc.h.
24484 * config/sparc/linuxaout.h: Likewise.
24485 * config/sparc/linux64.h: Likewise.
24486 Also default to -mvis if CPU is UltraSPARC.
24488 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24490 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24491 (RTX_OK_FOR_OLO10): Likewise.
24492 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24493 %lo(), allow it in addresses...
24494 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24495 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24496 does not make sense.
24497 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24498 (sparc_output_scratch_registers): New function.
24499 (output_function_prologue, sparc_flat_output_function_prologue): Use
24501 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24503 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24504 * configure.in: Add check for .register pseudo-op support in as and
24505 check for offsetable %lo().
24506 * acconfig.h: Add templates for the above checks.
24507 * configure: Regenerate.
24509 1999-08-02 Richard Henderson <rth@cygnus.com>
24511 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24512 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24513 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24515 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24517 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24520 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24522 * config/float-sparc.h: New file.
24523 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24524 sparc-*-linux-gnu and sparc64-*-linux*.
24526 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24528 * rs6000.c (rs6000_va_list): Type is an array.
24529 (rs6000_va_start): Don't doubly adjust for varargs.
24530 (rs6000_va_arg): Evaluate long long GPR adjustment.
24532 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24534 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24535 -maix64 and -maix32.
24536 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24537 LINK_SPEC): Change appropriately.
24538 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24539 (u_short_cint_operand): Likewise.
24540 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24542 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24544 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24546 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24548 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24549 for type promotion.
24550 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24551 (non_add_cint_operand): Likewise.
24552 (logical_operand): Likewise.
24553 (non_logical_cint_operand): Likewise.
24554 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24555 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24556 (rs6000_select_rtx_section): Suppress warning.
24557 (small_data_operand): Suppress warning.
24558 (rs6000_got_register): Suppress warning.
24559 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24560 type, so `J' is generally the wrong constraint for a SImode value;
24562 (andsi3_internal2): Likewise.
24563 (andsi3_internal3): Likewise.
24564 (iorsi3_internal1): Likewise.
24565 (xorsi3_internal1): Likewise.
24567 (movsf_softfloat): Likewise.
24568 (scc insns): Likewise.
24569 (movsi+2): Preserve sign bits of SImode constant.
24570 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24571 (movdf+1): Sign-extend properly.
24572 (movdi_32+1): Sign-extend properly.
24573 (scc insns): Sign-extend properly.
24575 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24578 1999-08-02 Richard Henderson <rth@cygnus.com>
24580 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24581 -mcpu parsing code.
24582 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24583 * alpha.md (all fp insns): Likewise.
24585 1999-08-02 Nick Clifton <nickc@cygnus.com>
24587 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24590 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24592 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24593 pic_load_label generator directly.
24594 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24595 No longer a named pattern.
24597 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24599 * explow.c (force_reg): Call force_operand if X does not
24600 satisfy general_operand.
24602 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24604 * fix-header.c (main): When testing for CONTINUED, use string
24605 equality, not pointer equality.
24607 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24609 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24611 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24613 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24614 that has become an unconditional jump.
24616 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24617 (output_function_epilogue): Similarly.
24619 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24621 * tree.h (init_dummy_function_start): Declare.
24623 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24625 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24626 last_expr_type, last_expr_value, block_start_count, block_stack,
24627 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24628 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24629 dynamically in stmt elt of struct function for each function.
24630 (struct nesting): Rename function_call_count elt to n_function_calls,
24631 target_temp_slot_level to block_target_temp_slot_level. All users
24633 (struct stmt_status): New structure definition.
24634 Add many accessor macros for stmt_status elements which previously
24635 were global variables.
24636 (init_stmt_for_function): Allocate stmt elt for current_function.
24637 Reflect that block_start_count was renamed to
24638 current_block_start_count.
24639 (save_stmt_status, restore_stmt_status): Delete functions.
24640 (preserve_subexpressions_p): Don't access loop_stack when outside
24642 (expand_start_bindings): Reflect that block_start_count was renamed to
24643 current_block_start_count.
24644 (expand_fixup): Likewise.
24645 (expand_decl): Don't access block_stack when outside a function.
24646 (expand_decl_cleanup): Likewise.
24647 (expand_dcc_cleanup): Likewise.
24648 (expand_dhc_cleanup): Likewise.
24649 (expand_anon_union_decl): Likewise.
24650 (set_file_and_line_for_stmt): New function.
24651 (in_control_zone_p): New function.
24653 * function.h (struct function): Add new elt stmt.
24654 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24655 case_stack, nesting_stack, nesting_depth, block_start_count,
24656 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24657 emit_lineno, goto_fixup_chain.
24658 (save_eh_status, restore_eh_status, save_stmt_status,
24659 restore_stmt_status): Delete declarations.
24660 * function.c (push_function_context_to): Don't call save_stmt_status.
24661 (pop_function_context_to): Don't call restore_stmt_status.
24662 * tree.h (in_control_zone_p): Declare.
24663 * rtl.h (set_file_and_line_for_stmt): Declare.
24665 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24666 call set_file_and_line_for_stmt.
24668 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24670 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24671 Also update copyright.
24673 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24675 * c-pragma.c: Don't include "except.h".
24676 * emit-rtl.c: Likewise.
24677 * stor-layout.c: Likewise.
24678 * tree.c: Likewise.
24679 * varasm.c: Likewise.
24681 * flow.c: Include "function.h".
24682 * tree.h (init_dummy_function_start): Declare new function.
24684 * except.h (struct eh_status): New structure.
24685 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24687 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24688 catch_clauses, false_label_stack, caught_return_label_stack,
24689 protect_list, current_function_ehc): Add accessor macros for the
24690 corresponding fields in current_function->eh; delete declarations
24691 for all items that used to be declared here.
24692 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24693 catch_clauses, false_label_stack, caught_return_label_stack,
24694 protect_list, current_function_ehc): Delete variables.
24695 (init_eh_for_function): Allocate current_function->eh.
24696 (save_eh_status, restore_eh_status): Delete functions.
24698 * function.h (struct function): Add fields next_global and eh.
24699 Delete all exception handling related fields.
24700 * function.c (current_function): New variable.
24701 (all_functions): New variable.
24702 (push_function_context_to): Don't allocate a struct function,
24703 use current_function instead. Call init_dummy_function_start when
24704 outside a function. Clear current_function before returning.
24705 (pop_function_context_from): Restore current_function.
24706 Don't free the restored struct function.
24707 (prepare_function_start): New function.
24708 (init_dummy_function_start): New function.
24709 (init_function_start): Break out some code into prepare_function_start
24712 * stmt.c (save_stmt_status): Don't call save_eh_status.
24713 (restore_stmt_status): Don't call restore_eh_status.
24715 * Makefile.in: Update dependencies.
24717 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24719 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24720 of depending on a magic constant value. Update comments.
24721 (hppa_expand_prologue): Similarly.
24723 * pa.md (reload_indi, reload_outdi): Allow any register for the
24724 original reload register.
24726 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24728 * cccp.c (print_help): Change marcos to macros.
24730 1999-07-30 Richard Henderson <rth@cygnus.com>
24732 * c-typeck.c (initializer_constant_valid_p): Move ...
24733 * c-common.c (initializer_constant_valid_p): ... here. Use
24734 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24735 of label addresses.
24736 * c-common.h (initializer_constant_valid_p): Declare.
24737 * c-tree.h (initializer_constant_valid_p): Remove.
24739 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24741 * config/i386/sol2-c1.asm: Align the stack.
24742 * config/i386/sol2-gc1.asm: Likewise.
24744 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24746 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24747 -Asparclite for sparc86x.
24748 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24750 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24752 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24754 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24755 the user if using the non-default arch size in BI_ARCH configuration.
24756 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24758 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24759 Fix patterns so that they actually match.
24760 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24761 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24762 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24764 (mulsidi3): Reflect this in the expand.
24765 (smulsi3_highpart): Only on TARGET_ARCH32.
24766 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24767 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24768 (umulsidi3): Reflect this in the expand.
24769 (umulsi3_highpart): Only on TARGET_ARCH32.
24770 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24771 don't require g0 to be zero.
24772 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24773 ({,u}divsi3): New expands.
24774 ({,u}divsi3_sp64): New patterns.
24775 (after lshrdi3_v8plus): Four new patterns to help combiner
24776 optimizing nested mixed mode shifts.
24778 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24779 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24780 speed things up. Don't use them by default on plain v9 in 64bit
24781 mode, according to what SPAMv9 sais.
24783 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24784 top 32 bits of %[og][0-7] in signal handlers.
24785 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24787 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24789 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24790 (ashlsi3): Corresponding changes.
24792 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24794 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24796 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24798 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24800 * arm.h (Hint): Delete macro.
24801 Substitute HOST_WIDE_INT for Hint in some prototypes.
24802 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24804 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24806 * builtins.c (expand_builtin_setjmp): Use force_operand to
24807 make sure that the buffer address is in a suitable form to be
24808 passed to force_reg.
24810 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24812 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24815 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24817 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24818 proper mode in the condition string.
24819 (icacheflush, dcacheflush): Remove modes from match_operands.
24821 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24822 proper mode before using it.
24824 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24827 * pa.c (store_reg): Do not call add_high_const generator directly.
24828 (load_reg, set_reg_plus_d): Likewise.
24829 * pa.md (add_high_const): No longer a named pattern.
24831 * pa.c (legitimize_address): Consistently use Pmode rather than
24832 SImode. Do not call gen_pic2_highpart directly anymore.
24833 * pa.md (pic2_highpart): No longer a named pattern.
24834 (pic2_lo_sum): Similarly. Reformat to make more readable.
24836 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24841 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24843 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24845 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24847 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24848 and tag the spill mems.
24849 (hppa_va_start): New.
24850 (hppa_va_arg): New.
24851 * pa.h (EXPAND_BUILTIN_VA_START): New.
24852 (EXPAND_BUILTIN_VA_ARG): New.
24854 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24856 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24857 and tag the spill mems.
24858 (mn10300_va_start): New.
24859 (mn10300_va_arg): New.
24860 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24861 (EXPAND_BUILTIN_VA_ARG): New.
24863 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24865 * mn10200.c (mn10200_va_arg): New.
24866 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24868 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24870 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24871 rather than play with TREE_INT_CST_LOW.
24873 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24875 * config/arm/telf.h: Include dbxelf.h.
24876 (CPP_PREDEFINES): Only define if not already defined.
24877 (ASM_IDENTIFY_GCC): Likewise.
24878 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24879 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24880 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24882 (DBX_DEBUGGING_INFO): Don't define.
24883 * config/arm/linux-telf.h: New file.
24884 * config/arm/linux-tgas.h: New file.
24885 * config/arm/t-thumb-linux: New file.
24886 * config/arm/uclinux-elf.h: New file.
24887 * config/arm/uclinux-telf.h: New file.
24888 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24889 thumb-*-uclinux): New targets.
24890 * configure: Regenerate.
24892 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24894 * pa.md (post_store, pre_load): New expanders.
24895 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24896 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24897 need to directly generate RTL for them.
24898 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24901 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24903 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24904 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24905 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24906 (secndary_reload_class): Make TARGET_ELF conditional compile.
24907 (print_operand_address): Similar.
24908 (output_toc): Print all values as hex.
24909 (get_issue_rate): Rearrange and add RS64A and PPC630.
24910 * rs6000.h (processor_type): Add RS64A and PPC630.
24911 (PROCESSOR_POWERPC64): New.
24912 (PROMOTE_MODE): Use word_mode.
24913 (RTX_COSTS): Add RS64A and PPC630.
24914 * rs6000.md (scheduling information): Add lmul and ldiv
24915 representing 64-bit integer multiply and divide. Add rs64a and
24916 PPC630 information.
24917 (ashldi3): Add support for "rldic" instruction.
24918 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24920 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24922 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24923 instead of V8 for sparclite86x in cpu_table.
24925 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24927 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24928 output_file_directive.
24930 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24932 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24933 tree for op1, not the rtl.
24935 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24937 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24938 to m88k_va_start, leaving only the register spill.
24939 (m88k_build_va_list): New.
24940 (m88k_va_start): New.
24941 (m88k_va_arg): New.
24942 * m88k.h (BUILD_VA_LIST_TYPE): New.
24943 (EXPAND_BUILTIN_VA_START): New.
24944 (EXPAND_BUILTIN_VA_ARG): New.
24946 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24948 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24949 Rename from expand_builtin_saveregs.
24950 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24952 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24954 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24955 for the register spill block.
24956 (i960_build_va_list): New.
24957 (i960_va_start): New.
24958 (i960_va_arg): New.
24959 * i960.h (BUILD_VA_LIST_TYPE): New.
24960 (EXPAND_BUILTIN_VA_START): New.
24961 (EXPAND_BUILTIN_VA_ARG): New.
24962 * i960.md (store_multiple): Use change_address on individul mems.
24964 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24966 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24968 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24969 (expand_builtin_va_end): Evaluate arg for side effects.
24970 * c-common.c (c_common_nodes_and_builtins): Construct a
24971 va_list_arg_type_node to handle array decomposition to pointer.
24973 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24975 * except.c (st_dynamic_cleanup): Use force_operand on the
24978 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24980 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24981 * c4x.c (c4x_va_arg): New.
24983 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24985 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24986 has manual_pop set.
24988 1999-07-26 Nathan Sidwell <nathan@acm.org>
24990 * eh-common.h (__eh_matcher): Prototype correctly.
24992 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24994 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24995 (TARGET_SINGLE_PIC_BASE): Likewise.
24996 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24998 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24999 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
25000 (TARGET_OPTIONS): Add -mpic-register=N.
25001 (OUTPUT_INT_ADDR_CONST): New macro.
25002 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
25003 LEGITIMATE_PIC_OPERAND_P): Likewise.
25004 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
25005 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
25006 output_addr_const directly.
25007 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
25009 (thumb_pic_register, thumb_pic_register_string): Declare.
25011 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
25013 (label_mentioned_p): New function: Imported from arm.c.
25014 (legitimize_pic_address): New function: Imported from arm.c.
25015 (is_pic):New function: Imported from arm.c.
25016 (thumb_finalize_pic):New function: Imported from arm.c.
25017 (add_constant): Cope with PIC constants.
25018 (fixit): Cope with PIC constants.
25019 (output_return): Do not treat the PIC register as live if
25020 TARGET_SINGLE_PIC_BASE is true.
25021 (thumb_function_prologue): Do not treat the PIC register as live if
25022 TARGET_SINGLE_PIC_BASE is true.
25023 (thumb_expand_prologue): Do not treat the PIC register as live if
25024 TARGET_SINGLE_PIC_BASE is true.
25025 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
25026 TARGET_SINGLE_PIC_BASE is true.
25027 (thumb_print_operand): Accept '|'.
25028 (thumb_override_options): Process PIC options.
25030 * config/arm/thumb.md (movsi): Support PIC.
25031 (call_insn): Change "i" constraint to "X".
25032 (call_value_insn): Likewise.
25033 (consttable_4, consttable_8, consttable_end): Set and clear
25034 "making_const_table" as appropriate.
25035 (pic_load_addr, pic_add_dot_plus_four): New insns.
25037 * invoke.texi (Thumb Options): Fix spelling. Document new
25038 options -msingle-pic-base and -mpic-register=.
25040 1999-07-26 Andrew Haley <aph@cygnus.com>
25042 * config/m32r/initfini.c (__init): Use a full word immediate for
25043 __fini: this allows it to be placed in any memory region.
25045 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
25046 -mmodel=medium. This is OK for all memory models.
25048 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
25050 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
25051 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
25053 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
25055 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
25058 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
25060 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
25062 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
25063 (BUILD_VA_LIST_TYPE): New.
25064 (EXPAND_BUILTIN_VA_START): New.
25065 (EXPAND_BUILTIN_VA_ARG): New.
25066 * i860.c (output_delayed_branch): Disable.
25067 (output_delay_insn): Likewise.
25068 (i860_saveregs): New.
25069 (i860_build_va_list): New.
25070 (i860_va_start): New.
25071 (i860_va_arg): New.
25072 * i860.md: Disable all peepholes using output_delayed_branch.
25073 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
25075 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
25077 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
25078 (BUILD_VA_LIST_TYPE): New.
25079 (EXPAND_BUILTIN_VA_START): New.
25080 (EXPAND_BUILTIN_VA_ARG): New.
25081 * clipper.c (clipper_builtin_saveregs): Only dump registers.
25082 Return the address of the save area.
25083 (clipper_build_va_list): New.
25084 (clipper_va_start): New.
25085 (clipper_va_arg): New.
25087 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
25089 * arc.h (EXPAND_BUILTIN_VA_START): New.
25090 (EXPAND_BUILTIN_VA_ARG): New.
25091 * arc.c (arc_setup_incoming_varargs): Set alias set of
25093 (arc_va_start): New.
25096 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
25098 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
25099 (BUILD_VA_LIST_TYPE): New.
25100 (EXPAND_BUILTIN_VA_START): New.
25101 (EXPAND_BUILTIN_VA_ARG): New.
25102 * alpha.c (alpha_builtin_saveregs): Delete.
25103 (alpha_build_va_list): New.
25104 (alpha_va_start): New.
25105 (alpha_va_arg): New.
25107 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
25109 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
25111 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
25112 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
25114 * gcc.texi: More changes related to list conversion.
25115 * invoke.texi: Likewise.
25117 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
25119 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
25120 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
25121 (expand_builtin_next_arg): Accept ARGLIST not EXP.
25122 (stabilize_va_list): New function.
25123 (std_expand_builtin_va_start): New function.
25124 (expand_builtin_va_start): New function.
25125 (get_varargs_alias_set): New function.
25126 (std_expand_builtin_va_arg): New function.
25127 (expand_builtin_va_arg): New function.
25128 (expand_builtin_va_end): New function.
25129 (expand_builtin_va_copy): New function.
25130 (expand_builtin): Call them.
25131 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
25132 __builtin_{varargs_start,stdarg_start,end,copy}.
25133 (build_va_arg): New function.
25134 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
25135 (build_va_arg): Declare.
25136 * c-decl.c (ptr_type_node, va_list_type_node): New.
25137 * c-parse.gperf (__builtin_va_arg): New.
25138 * c-parse.in (VA_ARG): New token.
25139 (unary_expr): Recognize it.
25140 * expr.c (expand_expr): Expand VA_ARG_EXPR.
25141 * expr.h (std_expand_builtin_va_start): Declare.
25142 (std_expand_builtin_va_arg): Declare.
25143 (expand_builtin_va_arg): Declare.
25144 (get_varargs_alias_set): Declare.
25145 * tree.def (VA_ARG_EXPR): New.
25146 * tree.h (BUILT_IN_VARARGS_START): New.
25147 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
25148 (ptr_type_node, va_list_type_node): Declare.
25149 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
25150 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
25151 * m88k.h, m88k.c: Likewise.
25152 * mn10300.h, mn10300.c: Likewise.
25153 * pa.h, pa.c: Likewise.
25154 * rs6000.h, rs6000.c: Likewise.
25155 * sh.h, sh.c: Likewise.
25156 * sparc.h, sparc.c: Likewise.
25158 * emit-rtl.c (operand_subword): Copy alias set.
25159 (change_address): Likewise.
25161 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
25163 * pa.c (compute_frame_size): Scan all the used callee saved registers,
25164 not just the first one.
25166 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
25168 * config/arm/arm.h (TARGET_SWITCHES): Add
25169 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
25170 (TARGET_OPTIONS): Add -mpic-register=.
25171 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
25172 (arm_pic_register_string): Declare.
25173 (NEED_PLT_GOT): Delete, replace with ...
25174 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
25175 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
25176 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
25177 * config/arm/arm.c (arm_override_options): Add new option
25179 (arm_pic_register_string): New variable.
25180 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
25181 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
25182 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
25183 (output_return_instruction): Likewise.
25184 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
25185 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
25186 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
25188 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
25189 mention of -msched-prolog. Document new options -msingle-pic-base
25190 and -mpic-register=.
25192 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
25194 * haifa-sched.c (reemit_notes): Tidy.
25195 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
25198 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
25200 * explow.c (trunc_int_for_mode): New function.
25201 (plus_constant_wide): Use it.
25202 * combine.c (simplify_and_const_int): Likewise.
25203 (merge_outer_ops): Likewise.
25204 (simplify_shift_const): Likewise.
25205 * cse.c (simplify_unary_operation): Likewise.
25206 (simplify_binary_operation): Likewise.
25207 * emit-rtl.c (operand_subword): Likewise.
25208 * rtl.h: Declare it.
25210 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25212 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
25213 (use NUM_REGS instead of NUM_INTS).
25215 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25217 * builtins.c: New file.
25218 * expr.c (saveregs_value, apply_args_value): Delete definition,
25219 moved into builtins.c.
25220 (string_constant): No longer static.
25221 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25222 apply_args_size, apply_result_size, result_vector,
25223 expand_builtin_apply_args, expand_builtin_apply,
25224 expand_builtin_return): Delete functions, moved into builtins.c.
25225 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25226 * expr.h (saveregs_value, apply_args_value): Declare variables.
25227 (expand_builtin, string_constant): Declare functions.
25228 * Makefile.in: Update to build builtin.o.
25230 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25232 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25233 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25234 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25235 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25237 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25240 1999-07-21 Michael Meissner <meissner@cygnus.com>
25242 * print-rtl.c (print_rtx): Print the names of the virtual
25245 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25247 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25248 introduced in previous delta.
25250 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25252 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25253 to avoid name clash.
25255 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25257 * c-lex.c (yylex) : Correct the test for overflow when lexing
25260 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25262 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25263 (adjust_priority): Always call ADJUST_PRIORITY.
25264 (schedule_insn): Only put insns into the ready at cost 0.
25265 (schedule_block): Remove redundant initial sort. Give clock_var
25266 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25268 * tm.texi (MD_SCHED_REORDER): Update docs.
25270 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25271 * sparc.c (ultra_reorder_called_this_block): Delete.
25272 (ultrasparc_sched_init): Don't set it.
25273 (ultrasparc_sched_reorder): Don't check it.
25275 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25277 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25278 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25279 (function_arg_boundary): Align DFmode.
25280 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25281 to get fp reg and stack overflow correct.
25282 (function_arg): Likewise.
25283 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25284 (setup_incoming_varargs): Restructure for ABI_V4; use
25285 function_arg_advance to skip final named argument.
25286 (expand_builtin_saveregs): Properly unskip the last integer arg
25287 when doing varargs. Adjust overflow location calculation.
25289 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25290 explicitly unsigned.
25291 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25292 (__VA_GP_REGSAVE): Similarly.
25293 (__va_longlong_p): Delete.
25294 (__va_arg_type_violation): New declaration.
25295 (va_arg): Restructure. Flag promotion errors. Align double.
25296 TFmode passed by reference.
25298 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25299 in the HOST_BITS_PER_WIDE_INT > 32 case.
25301 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25303 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25305 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25307 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25308 * toplev.c (documented_lang_options): Add -fpreprocessed.
25309 * cpplib.h (struct cpp_buffer): Add preprocessed.
25310 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25311 (cpp_start_read): Don't expand macros or emit an initial #line
25312 directive if -fpreprocessed.
25314 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25316 * cpplib.h (struct cpp_buffer): Added manual_pop for
25317 better C++ tokenization.
25318 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25319 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25320 * c-common.c (cpp_token): Make non-static.
25322 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25324 * c-common.h: New file.
25325 * c-common.c (permanent_obstack): Delete unused declaration.
25326 (c_global_trees): New array.
25327 (c_common_nodes_and_builtins): New function; split off common code
25328 from init_decl_processing in both c-decl.c and cp/decl.c.
25329 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25330 c_global_trees and accessor macros defined in c-common.h.
25331 Include c-common.h.
25332 * c-decl.c: Delete definitions for tree nodes that were replaced by
25334 (init_decl_processing): Build void_list_node.
25335 Call c_common_nodes_and_builtins; delete code to generate the common
25337 * objc/objc-act.c (build_module_descriptor): Rename variable
25338 void_list_node to avoid clash with c-common.h.
25340 * Makefile.in: Update dependencies.
25341 * objc/Make-lang.in: Likewise.
25343 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25345 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25346 (UNIQUE_SECTION_P): Likewise.
25347 (UNIQUE_SECTION): Likewise.
25349 1999-07-19 Linas Vepstas <linas@linas.org>
25351 * config/i370/README: New file.
25352 * config/i370/linux.h: New file.
25353 * config/i370/mvs.h: New file.
25354 * config/i370/oe.h: New file.
25355 * config/i370/t-linux: New file.
25356 * config/i370/t-mvs: New file.
25357 * config/i370/t-oe: New file.
25358 * config/i370/x-oe: New file.
25359 * config/i370/xm-linux.h: New file.
25360 * config/i370/xm-mvs.h: New file.
25361 * config/i370/xm-oe.h: New file.
25363 * i370.c (label_node_t): Add first_ref_page, label_addr,
25364 label_first_ref, label_last_ref members.
25365 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25366 (MAX_MVS_LABEL_SIZE): Define.
25367 (MAX_LONG_LABEL_SIZE): Define.
25368 (alias_node_t, alias_anchor, alias_number): New.
25369 (mvs_function_table): Reorder for EBCDIC.
25370 (ascebc, ebcasc): Unconditionally define.
25371 (i370_branch_dest, i370_branch_length): New functions.
25372 (i370_short_branch, i370_label_scan): New functions.
25373 (mvs_get_label): Renamed from mvs_add_label. Search for
25374 an existing label before creating a new one.
25375 (mvs_add_label): New function.
25376 (mvs_get_label_page): New function.
25377 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25378 over the entire list.
25379 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25380 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25381 (mvs_add_alias, mvs_need_alias): New functions.
25382 (mvs_get_alias, mvs_check_alias): New functions.
25383 (handle_pragma): New function.
25384 (mvs_function_check): New function.
25385 (unsigned_jump_follows_p): Search harder.
25386 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25387 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25388 * i370.h (TARGET_VERSION): Delete.
25389 (CPP_SPEC, CPP_PREDEFINES): Delete.
25390 (mvs_label_emitted): Delete.
25391 (TARGET_EBCDIC): Delete.
25392 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25393 (HANDLE_PRAGMA): Define.
25394 (HARD_REGNO_NREGS): Handle complex modes.
25395 (HARD_REGNO_MODE_OK): Likewise.
25396 (CLASS_MAX_NREGS): Likewise.
25397 (RET_REG): Likewise.
25398 (EXTRA_CONSTRAINT): Define.
25399 (RETURN_IN_MEMORY): True for DImode.
25400 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25401 (FUNCTION_PROFILER): Delete.
25402 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25403 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25404 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25405 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25406 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25407 (ASM_FILE_START): Add "RMODE ANY".
25408 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25409 (ASM_GLOBALIZE_LABEL): Likewise.
25410 (ASM_OUTPUT_LABELREF): Likewise.
25411 (ASM_OUTPUT_COMMON): Likewise.
25412 (PRINT_OPERAND): Handle 'K', 'W', default.
25413 (PRINT_OPERAND_ADDRESS): New.
25414 (Lots of defines): Add support for TARGET_ELF_ABI.
25415 * i370.md (attr length): New. Define for all patterns.
25416 (*): Lots of tweeks to assembly output and constraints.
25418 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25420 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25421 Disable patterns performing SImode comparisons with SImode values
25422 if TARGET_POWERPC64 and instruction does not sign-extend or does
25423 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25424 differ for signed quantities.
25425 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25426 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25427 (decrement_and_branch_on_count): Add 64-bit variant.
25429 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25431 * final.c (output_asm_insn): When searching for the matching string
25432 for a given dialect, don't run past the end of the list of
25433 alternatives if there are fewer alternatives in the template than
25436 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25438 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25439 Removed paragraph about compression of files and size limitation,
25440 duplicated in the FAQ. Use gcc-patches for posting patches.
25441 * gcc.c (main): Updated URL with bug reporting instructions to
25442 gcc.gnu.org. Removed e-mail address.
25443 * system.h (abort): Likewise.
25445 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25447 * Makefile.in (stmp-multilib-sub): Make the files extracted
25448 from $(LIBGCC1) writable.
25450 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25452 * config/arm/aout.h: Reformat for improved readability.
25454 * config/arm/arm.h: Reformat for improved readability.
25455 Replace uses of fprintf with asm_fprintf where appropriate.
25456 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25457 function declaration assembler actions.
25458 (NUM_INTS): New macro: Convert from bytes to words.
25459 (NUM_REGS): New macro: Compute number of registers required to
25460 hold a quanitity of tyep MODE.
25461 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25463 (NUM_ARG_REGS): New macro: The number of argument registers
25465 (ARG_REGISTER): New macro: Compute the register number of the Nth
25467 (LAST_ARG_REGNUM): New macro: The number of the last argument
25469 (SP_REGNUM): New macro: Register number of the stack pointer.
25470 (FP_REGNUM): New macro: Register number of the frame pointer.
25471 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25472 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25473 CUMULATIVE_ARGS so that it counts registers not bytes.
25475 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25477 Replace uses of fprintf with asm_fprintf where appropriate.
25478 (output_ascii_pseudo_op): Replace with version from thumb.c
25480 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25482 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25483 SUBTARGET_CPP_SPEC.
25484 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25485 (ASM_FILE_START): Emit ASM_APP_OFF.
25487 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25489 * pa.c (compute_frame_size): Round frame according to
25490 STACK_BOUNDARY rather than a hardwired value.
25492 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25494 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25496 * configure: Rebuilt.
25498 * configure.in (hppa*-*-linux*): New configuration.
25499 * configure: Rebuilt.
25500 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25501 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25502 * pa/pa-linux.h: New file.
25503 * pa/t-linux: New file.
25504 * pa/xm-linux.h: New file.
25506 * pa.c (hppa_legitimize_address): Change references from SImode to
25507 either Pmode or word_mode as appropriate.
25508 (emit_move_sequence, store_reg, load_reg): Likewise.
25509 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25510 (output_mul_insn): Likewise.
25511 * pa.h (PROMOTE_MODE): Likewise.
25512 (INITIALZE_TRAMPOLINE): Likewise.
25513 (Pmode): Define to word_mode.
25515 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25516 value of 4. Allocate 8 bytes for each FP register save.
25517 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25519 (hppa_expand_prologue): Likewise.
25520 * pa.h (PROMOTE_MODE): Likewise.
25521 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25522 (FUNCTION_ARG_BOUNDARY): Likewise.
25524 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25526 * pa.c (out_of_line_prologue_epilogue): Delete.
25527 (override_options): Remove -mspace related code.
25528 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25529 (compute_frame_size): Only allocate space for register that
25530 actually need to be saved.
25531 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25532 (TARGET_SWITCHES): Remove -mspace, -mno-space
25533 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25534 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25535 * pa/ee.asm, pa/ee_fp.asm: Delete.
25537 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25539 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25540 directive in column zero.
25542 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25544 * m68k.c (output_function_prologue): Fix computation of save mask
25545 when generating PIC code.
25547 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25549 * tree.c (build_type_attribute_variant): Move current_obstack restore
25550 after build_qualified_type call.
25552 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25554 * configure.in: Use t-iris6, even with GNU LD.
25555 * config/mips/iris6gld.h: Fix typo in linker spec.
25556 * config/mips/t-iris6gld: Remove.
25558 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25560 * rs6000.md (insv, extzv): Remove SImode dependence in named
25561 patterns. Explicitly generate DImode RTL if PowerPC64 and
25563 (insvdi): Reverse start and size in instruction template.
25565 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25567 * invoke.texi: Typo fixes.
25569 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25571 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25572 handle at this time instead of silently generating incorrect code.
25573 (gen_imagpart): Likewise.
25575 * reload.c (find_reloads): Emit a USE for a pseudo register without
25576 a hard register if we could not create an optional reload for the
25579 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25581 * c-typeck.c (output_init_element, process_init_element):
25582 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25583 check for nameless bit fields.
25585 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25587 * regclass.c (scan_one_insn): Notice subregs that change the
25588 size of their operand.
25589 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25591 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25593 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25594 * configure: Rebuilt.
25595 * alpha/t-ieee: New file.
25597 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25599 * rs6000.c (find_addr_reg): Do not select r0 as an address
25602 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25604 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25606 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25608 * rs6000.md (movsf): Do not force easy FP constants into memory.
25610 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25611 immed_double_const to ensure they are properly truncated then
25614 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25616 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25617 always unless NO_DEBUG is used. Compile this code
25619 (replace_symbols_in_block): Compile it unconditionally.
25621 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25623 * configure.in (i?86-*-elf*): New target.
25624 * configure: Rebuilt.
25625 * i386/i386elf.h, i386/t-i386elf: New files.
25627 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25629 * toplev.c (main): Don't complain about saying -gdwarf.
25630 (rest_of_compilation): Remove redundant code.
25632 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25634 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25636 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25638 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25639 "Li960R:", to avoid name clash.
25641 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25643 * loop.c (check_dbra_loop): When reversing a loop, delete all
25644 REG_EQUAL notes referencing the reversed biv except those which are
25645 for a giv based on it.
25647 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25649 * version.c: Drop "gcc-" prefix from version #.
25651 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25653 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25654 the label if we're being verbose.
25656 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25658 * m68k.c (output_function_prologue): Add pic register to mask
25659 if live and flag_pic.
25660 (output_function_epilogue): Likewise.
25662 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25664 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25665 directives in column zero.
25667 * pa/elf.h (ASM_FILE_START): Define.
25668 * pa/som.h (ASM_FILE_START): Include .level directives.
25669 * pa/hpux10.h (ASM_FILE_START): Delete.
25670 * pa/hpux11.h (ASM_FILE_START): Delete.
25672 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25674 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25676 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25677 when reload_out equals reload_in.
25679 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25681 * invoke.texi (Spec Files): New node: Describe the contents of
25684 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25686 * invoke.texi (DEC Alpha Options): Put @end table at
25687 beginning of line, to avoid confusing texi2html.
25689 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25691 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25692 introduced in previous delta.
25694 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25696 * reload1.c (gen_reload): When synthesizing a 3 operand add
25697 sequence, improve test for when to reload OP1 into the reload
25698 register instead of OP0.
25700 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25702 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25704 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25706 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25709 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25711 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25712 (va_dcl): Use __builtin_va_alist_t.
25714 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25716 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25717 on the permanent_obstack.
25718 * dwarfout.c (output_type): Likewise.
25720 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25722 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25723 Merged from c-typeck.c and cp/typeck.c.
25724 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25725 Merged into c-common.
25727 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25729 * c-lex.c (errorcount): Declare it.
25730 (finish_parse): Update errorcount when using CPPLIB.
25732 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25734 * fixinc/inclhack.def(end_else_label): Double the backslash so
25735 sed gets a chance to see it.
25736 * fixinc/inclhack.sh: regen
25737 * fixinc/fixincl.x: regen
25739 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25741 Add framework to support armv5 architecture when it becomes
25744 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25745 (arm_arch5): New variable.
25746 (all_architectures): Add armv5 line.
25747 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25748 -march=armv5 is specified on the command line.
25749 (arm_arch5): Export this variable.
25750 * invoke.texi: Document new string accepted by -march= switch for
25753 * config/arm/arm.h: Replace use of constant 12 as a register
25754 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25755 * config/arm/arm.c: Replace use of constant 12 as a register
25756 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25758 * config/arm/elf.h: Tidy up.
25759 * config/arm/coff.h: Tidy up.
25761 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25763 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25764 * gcc/config/mips/t-iris6gld: New file.
25765 * gcc/config/mips/iris6gld.h: Likewise.
25767 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25769 * c-decl.c (widest_integer_literal_type_node,
25770 widest_unsigned_literal_type) : New.
25771 (init_decl_processing): Handle/use the two new types.
25772 * c-common.c (type_for_size,type_for_mode) : Same.
25773 * c-lex.c (yylex) : Same.
25774 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25776 * c-tree.h (widest_integer_literal_type_node,
25777 widest_unsigned_literal_type) : New.
25779 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25781 * dwarfout.c (field_byte_offset): Correctly compute the object's
25782 byte offset for the first bit of a field which crosses an alignment
25783 boundary on a !BYTES_BIG_ENDIAN target.
25785 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25787 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25790 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25791 Jeff Law <law@cygnus.com>
25793 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25796 * except.c: Include intl.h.
25797 (expand_eh_return): Set current_function_cannot_inline.
25798 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25799 * function.h (struct function): Add eh_return_stub_label.
25800 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25801 * Makefile.in (except.o): Depend on intl.h.
25803 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25805 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25806 same as offsettable in cases 1 and 2.
25808 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25810 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25811 (extlh, extwh): Likewise.
25813 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25815 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25817 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25819 * configure.in: Add arm-pe and thumb-pe targets.
25820 * configure: Regenerate.
25822 * thumb.c (arm_naked_function_p): New function: Determines if
25823 a function is naked (has no gcc generated prologue/epilogue).
25824 (is_called_in_ARM_mode): Return true if the func has the
25825 interfacearm attribute.
25826 (output_return): Do not generate a return for naked functions.
25827 (thumb_function_prologue): Do not generate a prologue for
25829 (thumb_expand_prologue): Do not generate a prologue for naked
25831 (thumb_expand_epilogue): Do not generate an epilogue for naked
25833 (arm_valid_machine_decl_attribute): New function, copied from
25834 arm.c: Permit naked and interfacearm attributes.
25836 * config/arm/pe.c: New file: Support code for arm-pe target.
25837 * config/arm/pe.h: New file: Header file for arm-pe target.
25838 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25839 * config/arm/t-thumb-pe: New file: Makefile fragment for
25842 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25844 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25845 -fPIC or -fpic is specified.
25847 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25849 * expr.c (emit_block_move): Use copy_to_mode_reg for
25850 !TARGET_MEM_FUNCTIONS case too.
25852 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25854 * configure: Rebuilt.
25855 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25856 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25857 definitions made redundant by dbxelf.h inclusion. Delete
25858 lots of definitions related to assembly output that are
25859 specific to the SOM object format.
25860 * pa.c (output_function_prologue): Do not emit the function's
25862 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25863 * pa-pro.h: Deleted.
25864 * som.h: New file with SOM specific definitions.
25865 * elf.h: New file with ELF specific definitions.
25867 * elfos.h (const_section): Output a tab before assembler directives.
25868 (ctors_section, dtors_section): Likewise.
25869 (ASM_OUTPUT_SECTION_NAME): Likewise.
25871 * pa/pa1.h: Delete unused file.
25873 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25875 * configure.in (hppa*-hp-hpux11*): New configuration.
25876 * configure: Rebuilt.
25877 * pa/pa-hpux11.h: New file.
25878 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25881 * mips.md (leasi, leadi): New patterns.
25883 * expr.c (emit_block_move): Properly handle case where one of the
25884 block move arguments has a queued increment or decrement.
25885 (clear_storage): Similarly. Fix formatting goof.
25887 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25889 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25890 semicolon from the BSD VA_LIST replacement expression.
25892 * fixinc/inclhack.sh: regen
25893 * fixinc/fixincl.x: regen
25895 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25896 now use the fixincl program.
25898 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25900 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25901 case. Also make the PIC register call_used.
25903 * m68k.h (FINALIZE_PIC): Delete.
25904 * m68k.c (finalize_pic): Delete.
25906 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25908 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25911 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25913 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25915 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25917 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25919 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25921 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25923 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25925 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25927 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25929 * rs6000.c (output_toc): Always use hex values for floating-point
25930 constants. Store single-precision values in upper-half of TOC
25931 entry in 64-bit mode.
25932 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25933 to final constraints.
25934 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25935 (fctiwz): Improve accuracy of RTL for pattern.
25937 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25939 * expr.c (expand_expr): Allow RTL_EXPR's through the
25940 MAX_INTEGER_COMPUTATION_MODE checks.
25942 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25944 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25945 such that MASK_SUPPORT_ARCH is not negative.
25947 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25949 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25950 ADDR_DIFF_VEC insns that appear inside loops.
25952 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25953 Jeff Law <law@cygnus.com>
25955 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25956 Handle LO_SUM the same as offsettable in cases 1 and 2.
25957 * rs6000.c (find_addr_reg): Revert previous patch.
25959 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25961 * system.h (strstr): New external function declaration.
25962 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25963 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25964 * config.in, configure: Rebuilt.
25966 1999-06-24 Tom Tromey <tromey@cygnus.com>
25968 * gcc.c (main): Read user-specified specs files after computing
25969 additional startfile_prefixes.
25971 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25973 Revert these two patches:
25975 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25976 * loop.c (strength_reduce): When doing biv->giv conversion, update
25977 reg note of NEXT->insn.
25979 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25980 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25982 (recombine_givs): Set ix field after sorting.
25984 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25986 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25987 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25989 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25991 *fixinc/inclhack.def: Add fix development commentary
25992 (read_ret_type): reactivate and add selection clause
25993 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25994 *fixinc/{fixincl.x|inclhack.sh}: regen
25996 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25998 * expr.c (expand_expr): STRIP_NOPS before checking against
25999 MAX_INTEGER_COMPUTATION_MODE
26000 (check_max_integer_computation_mode): Likewise.
26002 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
26004 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
26006 1999-06-22 Jim Wilson <wilson@cygnus.com>
26008 * expr.c (store_expr): When target is a promoted subreg, return a
26009 promoted subreg as a result.
26011 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
26013 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
26015 (dwarf2out_define): Mark unused parameters appropriately.
26016 (gen_unspecified_parameters_die): Ditto.
26017 (gen_subprogram_die): Fix signed/unsigned warnings.
26018 (gen_variable_die): Ditto.
26020 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
26022 * fixinc/inclhack.def(end_else_label): combined else_label
26023 and endif_label and fixed the sed expression.
26024 *fixinc/{fixincl.x|inclhack.sh}: regen
26026 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
26028 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
26029 'x' when handling non-offsettable addresses
26031 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
26033 * final.c (shorten_branches): Don't try to split an insn that has
26036 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
26038 * config/mips/mips.c (symbolic_expression_p): New function.
26039 (mips_select_rtx_section): Put symbolic expressions in the
26040 data section, not the read-only data section.
26042 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
26044 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
26046 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
26048 * collect2.c (main): Log frame table count.
26049 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
26050 (scan_prog_file) [COFF]: Handle frame tables.
26052 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
26053 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
26054 * alpha/elf.h: Undef them again.
26055 * alpha/vms.h: Remove their definitions.
26057 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26059 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
26060 remove the clobber of r0 and change the REG_UNUSED note to
26063 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
26065 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
26066 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
26067 fits in HOST_WIDE_INT and one uses union to access a long constant
26070 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
26072 * sparc.c (sparc_override_options): Don't allow profiling for
26073 code models other than medlow.
26074 (sparc_function_profiler): New function from old FUNCTION_PROFILER
26075 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
26076 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
26077 (sparc_block_profiler): Likewise.
26078 (sparc_function_block_profiler_exit): Likewise.
26079 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
26080 (FUNCTION_BLOCK_PROFILER): Likewise.
26081 (BLOCK_PROFILER): Likewise.
26082 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
26083 (MCOUNT_FUNCTION): New.
26084 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
26085 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
26086 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
26087 (MCOUNT_FUNCTION): New.
26088 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
26089 (BLOCK_PROFILER): Delete.
26090 (MCOUNT_FUNCTION): New.
26092 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
26094 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
26096 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
26098 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26101 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26104 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26107 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
26110 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
26112 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
26115 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
26117 * i386/djgpp.h (LIB_SPEC): New.
26118 (STARTFILE_SPEC): New.
26120 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
26122 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
26124 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
26127 * system.h (WSTOPSIG): New macro.
26129 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
26131 * c-pragma.c (push_alignment): Don't ignore alignments greater than
26133 (insert_pack_attributes): Take into account member natural
26136 * i386/winnt.c (exports_head): New static variable.
26137 (i386_pe_record_exported_symbol): New function.
26138 (i386_pe_asm_file_end): Use.
26139 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
26140 symbols to be emitted at end of assembly.
26141 (ASM_DECLARE_OBJECT_NAME): Likewise.
26142 (ASM_DECLARE_FUNCTION_NAME): Likewise.
26144 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
26147 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
26149 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
26152 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
26154 * haifa-sched.c (sched_analyze_1): Use free_list instead of
26155 zapping reg_last_uses directly.
26156 (sched_analyze_2, sched_analyze_insn): Likewise.
26157 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
26159 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
26161 * rs6000.md (movdf_hardfloat32): Use worst case insn length
26162 attributes for cases 1 and 2.
26164 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
26166 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
26169 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
26171 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
26173 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
26175 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
26176 PIC_OFFSET_TABLE_REGNUM for general alloaction.
26177 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
26178 must be stacked if it is used for PIC accesses.
26179 * arm.c (use_return_insn): Handle PIC register specially.
26180 (output_return_instruction): Likewise.
26181 (output_func_{prologue,epilogue}): Likewise.
26182 (output_expand_prologue): Likewise.
26184 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
26185 (*strsi_predec): Renamed from *strqi_predec.
26186 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
26187 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
26189 * arm.c (arm_override_options): Remove warning about PIC code
26190 not being supported.
26192 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
26194 * rs6000.c (find_addr_reg): New function.
26195 * rs6000.h (find_addr_reg): Declare.
26196 (offsettable_addr_operand): Delete.
26197 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
26198 from and stores to GPRs.
26200 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
26202 * alpha.c (alpha_expand_block_move): Use get_insns rather than
26203 gen_sequence as argument to emit_no_conflict_block.
26205 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26207 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
26208 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
26209 *fixinc/fixincl.x: regen
26210 *fixinc/inclhack.sh: regen
26212 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
26214 * added support for -mpcrel (PC relative addressing for m68k)
26215 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
26216 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
26217 * m68k.c (print_operand_address): Handle 32-bit PIC case.
26218 (comments for general_src_operand): Add some explanation
26219 about EXTRA_CONSTRAINTS.
26220 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
26221 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26222 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26223 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26224 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26225 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26226 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26227 if not already set.
26228 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26229 * m68k.h (TARGET_PCREL): New target flag.
26230 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26231 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26232 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26233 contains a SYMBOL_REF. Relax this constraint during reload, since
26234 we want to use the predicates, not reload's built-in concept of a
26235 valid memory address, to control what insns need reloading.
26236 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26237 operands (essentially 'g', 'm', and 's' under normal circumstances).
26238 * m68k.c (print_operand): Cause printing of pc-relative addresses
26239 to include pc register.
26240 (print_operand_address): Ditto.
26241 (general_src_operand): Accept operands that are not only
26242 general_operands, but are also valid when used as a pc-relative
26244 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26245 (memory_src_operand): Similar, for memory_operands.
26246 (pcrel_address): New predicate to accept the special case of a
26247 pc-relative address.
26248 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26249 QImode insns to accept *_src_operand instead of *_operand where
26250 pc-relative operands can fit. For example, a pc-relative operand
26251 can be used as a memory source operand for addsi3, but not as a
26252 memory destination.
26253 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26255 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26257 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26258 .thumb_set pseudo op to mark aliases of thumb functions.
26260 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26262 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26263 preference to ASM_OUTPUT_DEF, if it is defined.
26265 * tm.texi: Document new, optional target macro
26266 ASM_OUTPUT_DEF_FROM_DECLS.
26268 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26270 * fixincludes: ISCNTL patch
26271 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26272 (dgux_int_varargs): new for DG/UX
26273 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26275 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26277 * invoke.texi (ia32 options): Fix typo.
26279 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26281 * loop.c (strength_reduce): When doing biv->giv conversion, update
26282 reg note of NEXT->insn.
26284 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26286 * loop.c (move_movables): Note issues with replacing REGs with
26288 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26290 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26292 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26294 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26295 the reference to `mcount' was not correct for the ELF on FreeBSD.
26297 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26299 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26302 (recombine_givs): Set ix field after sorting.
26304 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26306 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26307 to safe to extract a subword out of a REG.
26309 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26311 * sh.md (mulsi3): Don't add a no-op move at the end.
26313 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26315 * cse.c (cse_insn): Don't put hard register source into tables for
26316 the last insn of a libcall.
26318 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26320 * loop.c (strength_reduce): Insert sets of derived givs at every
26321 biv increment, even if it's the only one.
26323 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26325 * dwarfout.c (add_incomplete_type): New fn.
26326 (output_type): Call it.
26327 (retry_incomplete_types): New fn.
26328 (dwarfout_finish): Call it.
26330 From Eric Raskin <ehr@listworks.com>:
26331 (output_type): Output types for bases.
26333 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26335 * mips.c (mips_output_conditional_branch): Add `break'
26336 between `default' label and `close braces'.
26338 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26340 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26341 specifications and make it realistic.
26342 (LIB_SPEC): Likewise.
26344 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26346 * config/mips/mips.c (mips_secondary_reload_class): Check for
26347 (PLUS (SP) (REG)) and return appropriate register class.
26348 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26349 Handle (PLUS (SP) (REG)).
26350 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26351 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26352 of emit_insn for tablejump.
26354 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26356 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26357 asm_fprintf format string by itself.
26358 (output_function_profiler): Likewise.
26360 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26362 * combine.c (simplify_logical, case AND): Only call
26363 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26364 or the constant is positive.
26366 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26368 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26369 * configure: Regenerate.
26371 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26373 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26374 require a sub-version #.
26375 * configure: Rebuilt.
26377 1999-06-14 Robert Lipe (robertlipe@usa.net)
26379 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26381 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26383 * c-typeck.c (process_init_element): Detect excess elements in
26384 char array initializer.
26386 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26388 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26390 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26392 * invoke.texi (Option Summary): Add -fpermissive flag.
26394 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26396 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26397 that require PIC code sequences.
26399 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26401 * configure.in: Add new target: thumb-elf.
26402 * configure: Regenerate.
26403 * config/arm/t-thumb-elf: New file: Makefile fragment for
26405 * config/arm/telf.h: New file: Header file for thumb-elf
26408 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26410 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26411 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26412 initializers is some circumstances.
26414 * fixinc/inclhack.def (endif_label): Add additional selector for
26415 more bogus stuff after #endif statements.
26416 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26418 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26420 * i386/cygwin.h (SET_ASM_OP): Define.
26422 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26424 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26426 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26428 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26431 * sh.md (ic_invalidate_line_i): Remove second alternative.
26433 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26435 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26436 test for the presence of valid prototypes. Delete bypass expr.
26437 (ioctl_fix_ctrl): Correct the selection expression.
26438 (no_double_slash): Correct quoting rules
26439 *fixinc/fixincl.x: regen
26440 *fixinc/inclhack.sh: regen
26442 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26444 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26446 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26448 * rs6000.md (movsi_got_internal_mem): Delete.
26449 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26450 (GOT_TOC_REGNUM): Delete.
26451 (PIC_OFFSET_TABLE_REGNUM): Define.
26452 (FINALIZE_PIC): Disable.
26453 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26454 (rs6000_replace_regno): Delete.
26455 (rs6000_finalize_pic): Likewise.
26456 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26458 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26460 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26461 is a note; use <= for the compare; advance P while it is
26464 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26466 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26467 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26469 * varasm.c (remove_from_pending_weak_list): Verify t->name
26470 is non-NULL before passing it to strcmp.
26472 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26474 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26475 the typed arguments are not part of a comment
26476 (ioctl_fix_ctrl): Added a purpose comment
26477 *fixinc/fixincl.x: regenerate
26478 *fixinc/inclhack.sh: regenerate
26480 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26482 * invoke.texi: Add C4x invocation docs.
26484 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26486 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26488 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26490 (c4x_legitimize_reload_address): New function.
26491 * config/c4x/c4x.md: Update docs.
26493 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26495 * fixincludes: Avoid removing '.'.
26496 * fixinc/fixinc.svr4: Likewise.
26497 * fixinc/fixinc.winnt: Likewise.
26498 * fixinc/inclhack.tpl: Likewise.
26499 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26501 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26503 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26505 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26507 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26509 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26512 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26514 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26515 * configure: Regenerate.
26517 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26519 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26522 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26524 * fixinc/inclhack.def (avoid_bool): Also catch
26525 "typedef [unsigned] int bool".
26526 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26528 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26529 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26530 * configure: Rebuilt.
26532 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26534 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26535 such that we can override its definitions if necessary.
26536 (CPP_SPEC): New define. Support processor specific predefines via
26538 (CC1_SPEC): New define. Support processor specific compiler
26539 options via %(cc1_cpu).
26540 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26543 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26545 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26546 between sed's -e flag, and the open-quote following it.
26547 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26549 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26550 Jeffrey A Law (law@cygnus.com)
26552 * varasm.c (assemble_start_function): Remove the function
26553 from the pending weak decls list when we define a function.
26554 (assemble_variable): Similarly for variables.
26555 (weak_finish): Ignore items on the list with a NULL name.
26556 (remove_from_ending_weak_list); New function to "remove" an item
26557 from the pending weak declarations list.
26559 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26561 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26563 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26565 * c-lex.c (GETC): Redefine to call getch.
26566 (UNGETC): Redefine to call put_back.
26567 (putback_buffer): New structure type.
26568 (putback): New static structure.
26569 (getch): New function.
26570 (put_back): New function.
26571 (yylex): Replace unused bytes from bad multibyte character.
26573 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26575 * cpplib.c (do_define): Cast `alloca' return value.
26576 (do_include, do_undef, do_pragma): Likewise.
26577 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26579 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26580 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26582 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26584 * sparc.md (abstf2): This should be an expand.
26585 (split after abstf2_notv9): Fix mode.
26586 (abstf2_hq_v9): New pattern.
26587 (abstf2_v9): Only use when no hard quad.
26588 (absdf2_v9): Fix if target is not the same as source.
26589 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26590 Add correct output constraints.
26592 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26594 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26595 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26597 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26599 * mips.h (mips_output_conditional_branch): New function.
26600 (mips_adjust_insn_length): Likewise.
26601 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26602 (ADJUST_INSN_LENGTH): Likewise.
26603 * mips.c (print_operand): Add `F' and `W' for floating-point
26604 comparison opcodes.
26605 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26607 (mips_adjust_insn_length): New function.
26608 (mips_output_conditional_branch): New function.
26609 * mips.md (length): Adjust attribute definition to handle
26610 conditional branches. Change lengths to bytes, rather than
26611 instructions throughout. Remove length attribute from
26612 instructions whose length is four bytes, and rely on the default
26614 (dslot): Fix typo in comment.
26615 Reword conditional branch patterns to use
26616 mips_output_conditional_branch.
26618 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26620 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26621 (LIB_SPEC): Likewise.
26622 Link with -lprof1_r for -g/-pg.
26624 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26626 * loop.c (check_dbra_loop): Fix change of Jan 19.
26628 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26630 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26631 (STARTFILE_SPEC): Define, override the svr4.h version.
26632 (ENDFILE_SPEC): Likewise.
26634 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26636 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26637 * fixinc/fixincl.x: Regenerated.
26638 * fixinc/inclhack.sh: Regenerated.
26640 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26642 * sh.c (barrier_align): Don't return early for normal branch/barrier
26643 when optimizing for SH2.
26645 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26647 * i386/udk.h (LINK_SPEC): Correct linker search path for
26650 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26652 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26653 (braf_label_ref_operand): Delete.
26654 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26655 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26656 label_ref, and has no predicate.
26657 The patten has a predicate to guard against invalid substitutions.
26658 (dummy_jump): Delete.
26659 (casesi): Update use of casesi_jump_2.
26661 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26663 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26664 *fixinc/fixincl.x: regenerate
26665 *fixinc/inclhack.sh: regenerate
26667 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26669 * dwarf2out.c (add_incomplete_type): New fn.
26670 (gen_struct_or_union_type_die): Call it.
26671 (retry_incomplete_types): New fn.
26672 (dwarf2out_finish): Call it.
26674 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26676 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26677 current block starts with a CODE_LABEL and ends with a CALL and
26678 we can not find all the argument setup instructions for the CALL.
26680 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26682 Revert this change:
26683 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26684 something is a candidate for optimize_bit_field_compare.
26686 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26688 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26690 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26692 * alpha.c (override_options): Thinko in last patch.
26694 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26695 (LIB_SPEC): Recognize -pthread.
26697 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26699 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26700 definition in config/arm/coff.h
26701 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26703 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26705 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26706 fixes that need "file=xxx\n" prepended before invocation
26707 (start_fixer - new): starting the fixer process is complex enough
26708 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26709 (process): uses the new routine; omit usage of putenv()
26710 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26711 * fixinc/fixincl.x: regenerate
26713 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26715 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26716 and version #s (1.1 -> 2.96) as needed.
26717 * README.g77: Kill way out of date file in the toplevel directory.
26719 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26721 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26722 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26723 * configure: Rebuilt.
26724 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26725 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26726 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26727 (SWITCH_TAKES_ARG): Likewise.
26728 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26729 * config/t-freebsd: Moved from config/i386/ so it can used for all
26732 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26734 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26736 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26738 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26739 * configure: Rebuilt.
26741 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26743 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26744 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26745 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26746 (rs6000_output_load_toc_table): Same.
26747 (output_prolog, output_mi_thunk): Same.
26748 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26749 (ASM_GLOBALIZE_LABEL): Use putc.
26751 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26753 * alpha.md (reload_*_help): New patterns and splitters.
26754 (reload_*): Use them.
26755 (mov[qh]i): Likewise.
26757 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26759 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26762 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26764 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26766 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26768 * flow.c (mark_regs_live_at_end, insn_dead_p,
26769 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26770 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26771 hasn't run or the frame pointer is needed.
26772 * haifa-sched.c (attach_deaths): Likewise.
26773 * sched.c (attach_deaths): Likewise.
26775 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26777 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26778 calculate_can_reach_end returns nonzero.
26780 * configure.in (native gas tests): Search for an assembler in the
26781 same manner that the installed compiler will.
26782 * configure: Rebuilt.
26783 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26785 * alias.c (find_base_term): Improve handling of addresses
26786 constructed from binary operations.
26788 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26790 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26792 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26794 * function.h (cleanup_label, frame_offset): Declare.
26795 (tail_recursion_label, tail_recursion_reentry): Likewise.
26796 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26797 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26798 (tail_recursion_label, tail_recursion_reentry): Likewise.
26799 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26801 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26803 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26805 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26806 (MAX_OFILE_ALIGNMENT): Define.
26808 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26810 * fixincl.c: Replace local include scheme with #includes of
26811 gansidecl.h and system.h.
26812 * procopen.c: Likewise.
26813 * server.c: Likewise.
26815 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26817 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26818 (crti.o): Add build rule and dependencies.
26819 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26821 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26823 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26824 (LIB_LINUX_SPEC): Likewise.
26825 (LIB_LINUX_SPEC): Add support for -pthread
26826 (CPP_OS_LINUX_SPEC): Likewise.
26827 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26830 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26832 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26834 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26835 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26836 for IEEE math and CC_FCOMI.
26837 (put_jump_code): No IEEE if CC_FCOMI is set.
26839 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26841 * fold-const.c (fold_truthop): Make the field reference unsigned
26842 when converting a single bit compare.
26844 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26846 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26848 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26850 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26851 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26854 * reload.c (push_reload): Do not call remove_address_replacements
26855 when presented with identical optional reloads.
26857 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26859 * alpha.h (MASK_FIX, TARGET_FIX): New.
26860 (MASK_*): Reorganize constants.
26861 (CPP_AM_FIX_SPEC): New.
26862 (TARGET_SWITCHES): Add FIX.
26863 (EXTRA_SPECS): Likewise.
26864 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26865 (SECONDARY_MEMORY_NEEDED): Likewise.
26866 (REGISTER_MOVE_COST): Likewise.
26867 * alpha.c (override_options): Add FIX support. Always use
26868 ALPHA_TP_PROG for ev6.
26869 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26870 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26871 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26873 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26875 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26876 something is a candidate for optimize_bit_field_compare.
26878 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26880 * gcc.texi (Passes): Document branch-shortening.
26881 * invoke.texi (Debugging Options): Document the fact that `-dp'
26882 outputs length information for instructions.
26884 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26886 * flow.c: Revert previous delta.
26888 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26890 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26891 FRAME_POINTER_REGNUM.
26892 (mark_set_1): Ditto.
26893 (mark_used_regs): Ditto.
26895 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26897 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26898 (GOT_PCREL): New macro. Define to 1 if not already defined.
26899 * arm/elf.h (GOT_PCREL): Define to 0.
26900 * arm.c (arm_finalize_pic): Take into account the setting of
26903 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26905 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26906 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26908 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26909 store elimination candidates.
26911 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26913 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26916 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26918 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26919 Add use of x-aix41-gld.
26921 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26923 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26924 (ASM_OUTPUT_DESTRUCTOR): Define.
26926 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26928 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26929 last CODE_LABEL in a loop if we have previously passed a jump
26930 to the top of the loop.
26932 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26934 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26935 applying Philip's patch.
26937 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26939 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26942 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26944 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26946 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26948 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26949 Also remove a useless comment.
26951 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26953 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26955 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26957 * collect2.c (main): Only generate import or export file and add
26958 to link arguments if non-empty. Use xmalloc not alloca.
26959 (write_{export,import}_file): Delete.
26960 (write_aix_file): New function.
26961 (locatelib): Use xmalloc not malloc.
26962 (GCC_OK_SYMBOL): Do not check type if aix64.
26964 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26966 Based on patch by Scott Bambrough and Pat Beirne:
26967 * config/arm/arm.c (making_const_table): New variable.
26968 * config/arm/arm.h (making_const_table): Declare.
26969 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26971 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26972 Keep track of when we are building the constant table.
26974 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26976 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26979 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26981 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26984 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26986 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26989 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26991 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26993 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26995 * rs6000.c (output_mi_thunk): Enable full support again.
26997 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26999 * sh.h (BRANCH_COST): Define.
27001 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
27003 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
27005 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
27007 * function.c (assign_stack_local): Align stack slot propertly.
27008 (assign_outer_stack_local): Likewise.
27010 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
27012 * expr.h (lang_expand_constant): Declare.
27013 * toplev.c (lang_expand_constant): Define it.
27014 * varasm.c (output_constant): Use it.
27016 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27018 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
27019 Change function definitions to K&R style.
27021 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27023 * fixinc/fixincl.c: We must not ignore SIGCLD now.
27025 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
27027 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
27028 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
27029 (several places): omit static initialization
27030 (process): use single fd, since only the read fd is used
27031 * fixinc/gnu-regex.c: define 'const' away, if not supported
27032 * fixinc/procopen.c(several places): omit static initialization
27033 * fixinc/server.c: define 'volitile' away, if not supported
27035 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
27037 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
27038 asm_fprintf and %L to generate the label name.
27039 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
27040 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
27042 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
27044 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
27045 insn for a conditional jump can not be found.
27047 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
27049 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
27050 on variables in specific sections other than .sbss and .sdata.
27052 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
27054 * stmt.c (expand_return): Call start_cleanup_deferral and
27055 end_cleanup_deferral around conditional code.
27057 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
27059 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
27060 filename lists. Utilizes new "krstr" AutoGen function.
27061 * fixinc/fixincl.x: Rebuilt.
27063 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
27065 * i386.c (output_float_compare): Avoid GNU-C extensions.
27067 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
27069 * version.c: Bump to distinguish mainline tree from the
27072 See ChangeLog.1 for earlier changes.