1 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
3 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
6 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * bb-reorder.c (build_scope_forest): Initialize variable
11 * calls.c (expand_call): Likewise for variables
12 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
14 * i386.c (function_arg_advance, function_arg): Cast to avoid
15 signed/unsigned warnings.
17 * i386.h (MEMORY_MOVE_COST): Likewise.
19 * ifcvt.c (cond_exec_process_if_block): Initialize variables
20 `else_start' and `else_end'.
22 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
24 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
26 2000-06-10 Mark Mitchell <mark@codesourcery.com>
28 * Makefile.in (libintl.a): Depend on intl.all.
30 2000-06-09 H.J. Lu (hjl@gnu.org)
32 * Makefile.in (c-parse.o): Also depend on output.h.
34 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
36 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
37 it ggc_alloc, drop second argument, never clear returned memory.
38 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
39 (ggc_alloc_cleared): New.
40 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
41 ggc_alloc_obj. Remove ggc_alloc macro.
42 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
44 * rtl.c (rtvec_alloc): Clear the vector always.
45 (rtx_alloc): Clear the first word always. Remove dirty
46 obstack tricks (this routine is no longer a bottleneck).
47 * tree.c (make_node): Clear the new node always.
48 (make_tree_vec): Likewise.
49 (tree_cons): Clear the common structure always.
50 (build1): Likewise; also, clear TREE_COMPLEXITY.
51 * gengenrtl.c: Use puts wherever possible. Remove extra
53 (gendef): Clear the first word of an RTX in the generator
54 function, irrespective of ggc_p. Initialize '0' slots to
56 (genlegend): Don't generate obstack_alloc_rtx routine, just a
57 thin wrapper macro around obstack_alloc.
59 * stmt.c (expand_fixup): Use ggc_alloc.
60 * c-typeck.c (add_pending_init): Use ggc_alloc.
61 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
62 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
63 const0_rtx when it is created.
64 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
65 we are not in a function.
67 * tree.c (tree_class_check_failed): Make second arg an int.
68 * tree.h: Update prototype.
70 2000-06-09 Geoff Keating <geoffk@cygnus.com>
72 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
73 of an error_mark_node.
75 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
77 * config/avr/avr.c (asm_output_section_name): bugfix.
79 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
81 * timevar.def: Add TV_EXPAND.
82 * timevar.c (timevar_print): Update timing information.
83 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
85 * stmt.c (expand_return): Check for error_mark_node.
87 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
89 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
91 * scan-types.sh (VALUE) Wrap use with double quotes to protect
92 variable against filename expansion when it contains "char *".
94 * system.h (SSIZE_MAX): Delete backup definition.
96 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
99 2000-06-09 Jakub Jelinek <jakub@redhat.com>
101 * configure.in: Check whether gas supports -relax.
102 * configure, config.in: Rebuilt.
103 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
104 (EXTRA_SPECS): Add asm_relax.
105 (ASM_SPEC): Add %(asm_relax).
106 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
107 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
108 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
109 (ASM_SPEC): Add %(asm_relax).
110 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
111 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
112 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
113 instead of mov, so that gas can further optimize it.
115 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
117 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
119 (value_format, case dw_val_class_const): Use sdata format.
120 (output_die): Call output_sleb128.
122 2000-06-08 James E. Wilson <wilson@cygnus.com>
124 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
125 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
126 ASM_OUTPUT_DWARF_CONST_DOUBLE.
127 (output_die, case dw_val_class_unsigned_const): Correct call to
128 ASM_OUTPUT_DWARF_DATA8.
129 (output_die, case dw_val_class_long_long): Use
130 ASM_OUTPUT_DWARF_CONST_DOUBLE.
131 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
134 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
135 (output_function_prologue): Fix mispelling.
136 (output_function_prologue, output_function_epilogue): Reorder to
137 match ia64.c definition order.
138 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
139 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
140 Use r3 instead of r2 for large stack restores.
141 (ia64_output_end_prologue): New function.
142 (process_set): Emit ".restore sp" for epilogue stack restores.
143 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
145 2000-06-08 Jakub Jelinek <jakub@redhat.com>
147 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
150 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
152 * frame.c (end_fde_sort): Remove extraneous erratic array test.
154 2000-06-08 Denis Perchine <dyp@perchine.com>
156 * frame.c (start_fde_sort): Don't malloc (0).
158 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
160 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
162 * print-tree.c (print_node): The transparent_union_flag means
163 different things for unions and arrays. Do not inspect it
164 with TYPE_TRANSPARENT_UNION.
166 2000-06-06 Jakub Jelinek <jakub@redhat.com>
168 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
171 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
173 * config/avr/avr.c (asm_output_section_name): output section
175 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
177 2000-06-06 James E. Wilson <wilson@cygnus.com>
179 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
180 fields into header field.
181 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
182 macros to access length, flags, and version info from header field.
183 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
184 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
185 (__do_global_ctors_aux): Fix caller.
186 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
187 prologue_flag to header. Pass to read_P_record.
188 (read_P_record): New argument header. Implement P4 format.
189 Multiply P7_T_SIZE by 16.
190 (execute_one_ia64_descriptor): New static local region_header. Pass to
191 get_unwind_record. Copy r to region_header if r is a header record.
192 (print_all_records): Likewise.
193 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
194 (__get_personality, __get_except_table): Likewise.
195 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
197 2000-06-06 Philipp Thomas <pthomas@suse.de>
199 * configure.in (AC_C_INLINE): Added.
200 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
201 * configure: Regenerate.
203 2000-06-06 Mark Mitchell <mark@codesourcery.com>
205 * c-common.h (c_language_kind): New type.
206 (c_language): New variab.e
207 * c-common.c (lang_get_alias_set): Don't put structures in
208 non-zero alias sets in C++.
209 * c-decl.c (c_language): Define it.
210 * c-lex.c (doing_objc_thang): Remove.
211 * c-tree.h (doing_objc_thang): Make it a macro.
212 * objc/objc-act.c (lang_decode_option): Set c_language, not
215 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
217 * diagnostic.c (output_maximum_width): Remove.
218 (doing_line_wrapping): Tweak.
219 (diagnostic_buffer): New object.
220 (global_output_buffer): New object.
221 (output_destroy_prefix): New function.
222 (default_initialize_buffer): Likewise.
223 (reshape_diagnostic_buffer): Likewise.
224 (initialize_diagnostics): Likewise.
225 (output_clear): Tweak.
226 (line_wrapper_printf): Adjust call to init_output_buffer.
227 (vline_wrapper_message_with_location): Likewise. Use
228 output_destroy_prefix.
229 (v_message_with_decl): Likewise.
231 * diagnostic.h (struct output_buffer): Constify prefix.
232 (init_output_buffer, output_get_prefix): Constify.
233 (diagnostic_message_length_per_line): Likewise.
234 (reshape_diagnostic_buffer): Declare.
235 (default_initialize_buffer): Declare.
236 (initialize_diagnostics): Declare.
237 (diagnostic_buffer): Declare new obbject.
239 * toplev.c: #include diagnostic.h
240 (display_help): Document diagnostic formatting options.
241 (decode_f_option): Handle diagnostic formatting options.
242 (main): Setup initialization for diagnostic messages outputter.
244 * toplev.h (set_message_length): Remove.
246 * Makefile.in (toplev.o): Depends upon diagnostic.h
248 * invoke.texi : Document diagnostics formatting options.
250 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
252 * configure.in (Make the links): Typo fix : the file that must be
253 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
254 * configure: File rebuilt.
256 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
258 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
259 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
261 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
262 emergency eh_context buffer, if malloc fails.
263 (__eh_free): Moved from cp/exception.cc. Release to emergency
264 eh_context buffer, if appropriate.
266 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
268 * expr.c (store_expr): Fix typo.
270 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * m68k.c (legitimize_pic_address): Move prototype ...
274 * m68k-protos.h (legitimize_pic_address): ... here.
276 * m68k.md (legitimize_pic_address): Delete prototypes.
277 (untyped_call): Invoke GEN_CALL(), not gen_call().
279 * nextstep.c: Include system.h and toplev.h.
280 (get_directive_line): Don't prototype.
281 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
283 * nextstep.h (handle_pragma): Prototype.
284 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
285 objc_section_init ...
286 (EXTRA_SECTION_FUNCTIONS): ... here.
288 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
290 * sdbout.c (struct sdb_file): NAME now const.
291 (sdbout_init): input_file_name now const.
292 (sdbout_start_new_source_file): FILENAME now const.
293 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
295 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
297 * c-typeck.c (build_conditional_expr): Handle complex data types.
299 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
301 * explow.c (maybe_set_unchanging): New function, broken out from...
302 (set_mem_attributes): Here.
303 * expr.h: Declare it.
304 * stmt.c (expand_decl): Call it.
306 2000-06-05 Richard Henderson <rth@cygnus.com>
308 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
309 while looking for a register to inherit from.
311 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
313 * Makefile.in (libgcc.ready): Lose.
314 (libgcc.mk): Just use mv, not move-if-change.
315 (LIBGCC_DEPS): New macro.
317 (stmp-multilib): Likewise.
318 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
319 it rather than the directories themselves.
320 (LIB2ADD): Depend on the list file rather than 'force'.
322 * fold-const.c (fold, case COND_EXPR): Elide conversion between
323 cv-qualified versions of types.
325 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
327 * config/sparc/sparc.c (short_branch): Correct error in range
330 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
332 * fixinc/inclhack.def: New include hacks for ultrix.
333 * (nested_ultrix): Replaced by ultrix_nested_svc.
334 * (ultrix_atof_param): test_text string added.
335 * (ultrix_ifdef): Modified select string.
337 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
339 * objc/objc-act.c (generate_method_descriptors): Register
340 objc_method_prototype_template as a GC root.
341 (comp_method_with_proto): Register function_type as a GC root.
342 (comp_proto_with_proto): Replace function_type1 and
343 function_type2 with a two-element array; register it as a GC root.
345 (generate_protocols, build_protocol_initializer,
346 generate_protocol_list, build_category_initializer,
347 build_shared_structure_initializer): Do not cache cast_type
350 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
352 * function.c (assign_parms): Add missing argument to set_mem_attributes
355 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
357 * tree.h (VOID_TYPE_P): New macro.
358 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
359 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
360 (get_parm_info): Likewise.
361 (store_parm_decls): Likewise.
362 (combine_parm_decls): Likewise.
363 (finish_function): Likewise.
364 * c-typeck.c (build_function_call): Likewise.
365 (build_binary_op): Likewise.
366 (build_conditional_expr): Likewise.
367 (internal_build_compound_expr): Likewise.
368 (convert_for_assignment): Likewise.
369 * stmt.c (expend_expr_stmt): Likewise.
370 (warn_if_unused_value): Likewise.
371 (expand_return): Likewise.
372 * c-parse.in (primary): Likewise.
373 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
374 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
376 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
378 * alias.c (get_alias_set): If compnent is addressable, use alias
380 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
381 (grokdeclarator): Likewise.
382 * c-typeck.c (common_type): Likewise.
384 2000-06-04 Alex Samuel <samuel@codesourcery.com>
386 * Makefile.in (OBJS): Remove dyn_string.o
387 (dyn-string.o): Delete rule.
388 * dyn-string.c: Delete file
389 * dyn-string.h: Likewise.
391 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
393 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
396 2000-06-03 Geoff Keating <geoffk@cygnus.com>
398 * alias.c (record_component_aliases): Don't inspect
399 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
401 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
403 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
404 it with the pattern to do machine dependent work.
405 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
406 use it to modify the true/false tests used in conditional
407 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
408 defined, invoke them if the conversion to conditional execution
409 was successful or not.
411 * tm.texi (IFCVT_MODIFY_TESTS): Document.
412 (IFCVT_MODIFY_INSN): Ditto.
413 (IFCVT_MODIFY_FINAL): Ditto.
414 (IFCVT_MODIFY_CANCEL): Ditto.
416 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
418 * toplev.c (main): Fix misspellings of possibility and language.
420 2000-06-03 Richard Henderson <rth@cygnus.com>
422 * alias.c (record_alias_subset): Initialize has_zero_child in the
425 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
427 * arm.md (untyped_call): Use GEN_CALL macro.
429 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
431 * Makefile.in: Use $(MAKE) not "make"
433 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
435 * alias.c (struct alias_set_entry): New field has_zero_child.
436 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
437 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
439 Call record_component_aliases for aggregate types.
440 (record_alias_subset): Set has_zero_child.
441 (record_component_aliases, case ARRAY_TYPE): Do nothing if
442 TYPE_NONALIASES_COMPONENT.
443 (record_component_aliases, case RECORD_TYPE): Test
444 DECL_NONADDRESSABLE_P.
445 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
447 * calls.c (initialize_argument_information): Only test
448 TYPE_TRANSPARENT_UNION for UNION_TYPE.
449 * function.c (assign_parms): Likewise.
450 * integrate.c (function_cannot_inline_p): Likewise.
451 * stor-layout.c (finish_record_layout): Don't call
452 record_component_aliases.
453 * tree.h (struct tree_int_cst): Use struct tree_common.
454 (struct tree_real_cst, struct tree_string): Likewise.
455 (struct tree_complex, struct tree_identifier): Likewise.
456 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
457 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
458 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
459 (TYPE_NONALIASES_COMPONENT): New macro.
460 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
461 (DECL_NONADDRESSABLE_P): New macro.
462 (struct tree_decl): Reorder bits for clarity of how many left;
465 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
467 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
468 * mklibgcc.in (force): New target.
469 Make LIB2ADD stuff depend on it.
471 2000-06-02 Richard Henderson <rth@cygnus.com>
473 * alias.c (lang_get_alias_set): Remove.
474 (get_alias_set): Call it directly, not indirectly.
475 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
476 * c-common.h (c_get_alias_set): Don't declare.
477 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
478 * expr.h (lang_get_alias_set): Declare as function, not pointer.
480 2000-06-02 Bruce Korb <bkorb@gnu.org>
482 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
483 (server_setup): define the server's master pid
484 (close_server): actually do the deed IFF we are the server's master
486 2000-06-02 Jakub Jelinek <jakub@redhat.com>
488 * c-common.c (c_get_alias_set): Check whether signed_type did not
489 return its argument before calling get_alias_set on the result.
491 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
493 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
495 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
497 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
498 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
499 for TARGET_NOMACSAVE.
500 (NOMACSAVE_BIT): Define.
501 (TARGET_NOMACSAVE): Define.
502 (TARGET_SWITCHES): Add "nomacsave".
504 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
506 * sh.md (untyped_call): Remove excess parameters
508 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
510 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
511 match that used before the conversion to c_fix style.
512 * fixinc/fixincl.x: regenerate
514 2000-06-01 Stan Cox <scox@cygnus.com>
516 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
519 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
521 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
523 * cpplib.c (parse_include): Remove support for VAX-C
524 "#include starlet" misfeature.
526 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
528 * cppfiles.c: conditionally define O_BINARY.
529 (open_include_file): pass O_BINARY to open().
531 2000-06-01 Richard Henderson <rth@cygnus.com>
533 * i960.c (i960_br_predict_opcode): Remove.
534 (i960_print_operand) [+]: Emit branch prediction hints.
535 (i960_function_arg): Return early for VOIDmode.
536 (i960_round_align): Return early for incomplete types.
537 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
538 * i960.md (all conditional branches): Add "%+".
540 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
542 * alias.c (get_alias_set): Don't call language-specific routine more
543 than is needed and clean up code a bit.
544 * c-common.c (c_get_alias_set): All references whose type
545 is char get alias set 0, but character types need not.
546 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
547 (make_decl_rtl): Don't call it for FUNCTION_DECL.
549 2000-06-01 Bruce Korb <bkorb@gnu.org>
551 * fixinc/tests/base/...: new base result files
553 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
555 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
556 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
557 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
560 2000-06-01 Richard Henderson <rth@cygnus.com>
562 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
564 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
566 2000-05-31 Richard Henderson <rth@cygnus.com>
568 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
569 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
570 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
572 2000-05-31 Richard Henderson <rth@cygnus.com>
574 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
575 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
576 (ia64_print_operand) [+]: ... here. Use current_output_insn.
577 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
578 * config/ia64/ia64.md (all branch/call patterns): Use %+.
580 2000-05-31 Richard Henderson <rth@cygnus.com>
582 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
584 2000-05-31 Richard Henderson <rth@cygnus.com>
586 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
588 (find_if_block): Allow THEN with no outgoing edges.
589 * flow.c (merge_blocks_nomove): Remove a barrier not following
592 2000-05-31 Richard Henderson <rth@cygnus.com>
594 * flow.c (propagate_block): Move initialization of mem_set_list ...
595 (init_propagate_block_info): ... here. Also track blocks with
596 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
598 2000-05-31 Richard Henderson <rth@cygnus.com>
600 * jump.c (jump_optimize_1): Revert 05-18 change.
602 2000-05-31 Mark Mitchell <mark@codesourcery.com>
604 * invoke.texi: Remove documentation for -fguiding-decls.
606 2000-05-31 Richard Henderson <rth@cygnus.com>
608 * configure.in: Fix typo last change.
610 2000-05-31 Philipp Thomas <pthomas@suse.de>
612 * configure.in (enable-nls): Enable if build == host, i.e. when
613 not building a canadian cross compiler.
614 (enable-maintainer-mode): Added for use with i18n.
615 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
616 cross section of ALL_LINGUAS and LINGUAS.
617 * configure: Rebuild.
619 2000-05-31 Bruce Korb <bkorb@gnu.org>
621 * fixinc/check.tpl: rework to use test result tree
622 * fixinc/Makefile.in: change invocation of check script
623 * fixinc/check.diff: No longer needed
624 * fixinc/fixincl.x: regenerate
625 * fixinc/inclhack.def: add new tests
626 * fixinc/tests/base/arch/i960/archI960.h: New test result
627 * fixinc/tests/base/curses.h: modified test result
628 * fixinc/tests/base/stdio.h: ditto
629 * fixinc/tests/base/time.h: ditto
630 * fixinc/tests/base/sys/asm.h: ditto
631 * fixinc/tests/base/sys/stat.h: ditto
632 * fixinc/tests/base/sys/wait.h: ditto
634 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
636 * except.c (clear_function_eh_region): Do not free NULL.
638 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
640 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
641 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
642 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
643 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
644 (find_base_decl): New function, from c_find_base_decl in c-common.c.
645 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
646 (get_alias_set): Likewise.
647 Major rework to do more things and allow language-specific code
648 to just handle special-cases.
649 (record_alias_subset): Args are HOST_WIDE_INT.
650 (record_component_alias): Local vars are HOST_WIDE_INT.
651 Don't handle COMPLEX_EXPR.
652 (get_varargs_alias_set): Moved from builtins.c.
653 (get_frame_alias_set): New function.
654 * builtins.c (expand_builtin_return_address): Use frame alias set.
655 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
657 (get_memory_rtx): Rework to use set_mem_attributes.
658 (get_varargs_alias_set): Deleted from here.
659 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
660 (c_find_base_decl): Deleted from here.
661 (c_get_alias_set): Remove many cases and rework to just handle
663 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
664 * c-decl.c (rtl.h, expr.h): Now included.
665 (init_decl_processing): Call record_component_aliases on array types.
666 (grokdeclarator): Likewise.
667 Set TREE_ADDRESSABLE for all fields that are not bitfields.
668 * c-typeck.c (common_type): Call record_component_aliases for array.
669 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
670 Set all save areas to the frame alias set.
671 * calls.c (initialie_argument_information): Call set_mem_attributes.
672 (compute_argument_addresses, expand_call): Likewise.
673 * explow.c (set_mem_attributes): New function.
674 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
675 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
676 LEN and OFFSET now HOST_WIDE_INT.
677 (clear_by_pieces): Similar changes.
678 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
679 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
680 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
681 (clear_by_pieces_1): Likewise.
682 (emit_push_insn): Call set_mem_attributes.
683 (expand_expr, case INDIRECT_REF): Likewise.
684 (expand_expr, case VAR_DECL): Call change_address.
685 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
687 (get_varargs_alias_set, get_frame_alias_set): New decls.
688 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
689 (new_alias_set, set_mem_attributes): Likewse.
690 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
691 (assign_stack_temp_for_type): Likewise.
692 Can split slot even if alias set since can copy.
693 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
694 (assign_temp): Use host_integerp and tree_low_cst.
695 (put_var_into_stack): Properly handle SAVE_EXPR.
696 (put_addressof_into_stack): Likewise.
697 (assign_parms): Call set_mem_attributes.
699 (fix_lexical_address): Put reference to chain into frame alias set.
700 (expand_function_start): Call set_mem_attributes.
701 * integrate.c (expand_inline_function): Likewise.
702 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
703 * regmove.c (try_apply_stack_adjustment): Likewise.
704 * reload.c (push_reload, make_memloc): Likewise.
705 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
706 * rtl.def (MEM): Update comment.
707 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
708 (move_by_pieces): Change length to HOST_WIDE_INT.
709 (record_base_value, record_alias_subset): Delete from here.
710 * stmt.c (expand_decl): Call set_mem_attributes.
711 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
712 * toplev.c (compile_file): Call init_alias_once earlier.
713 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
714 from here: now in alias.c.
715 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
716 (struct tree_decl): Likewise.
717 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
718 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
719 (output_constant_def, force_const_mem): Likewise.
721 * flow.c (propagate_block): If block has no successors, stores to
722 frame are dead if not used.
724 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
726 * stmt (expand_end_case): Reorder conversion sequence for jump
727 table to avoid extra truncations.
729 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
731 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
732 in the block is more than just a simple conditional branch.
733 (noce_process_if_block): Similarly.
735 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
737 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
740 2000-05-30 Michael Meissner <meissner@redhat.com>
742 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
743 instructions. Treat LO_SUM operations as loading the full integer
746 2000-05-30 Richard Henderson <rth@cygnus.com>
748 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
750 2000-05-30 Richard Henderson <rth@cygnus.com>
752 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
754 2000-05-30 Bruce Korb <bkorb@gnu.org>
756 * fixinc/tests/*: Added expected result files for fixinc's make check
757 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
759 2000-05-30 Richard Henderson <rth@cygnus.com>
761 * config/alpha/alpha.md (*setne_internal): Use match_operator
762 instead of working down from insn.
764 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
766 * invoke.texi (-Wtraditional): Update WRT function macros.
768 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
770 * except.c (free_exception_table): Do not free NULL.
772 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
774 * cpplib.c (do_if): Don't save and restore only_seen_white here.
775 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
778 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
780 * flow.c (mark_used_reg): If a register is unconditionally live,
781 remove any conditional death information.
783 2000-05-29 Richard Henderson <rth@cygnus.com>
785 * final.c (current_output_insn): New.
786 (final_scan_insn): Set it.
787 * output.h: Declare it.
789 2000-05-29 Richard Henderson <rth@cygnus.com>
791 * stor-layout.c (finalize_record_size): Fix typo.
793 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
796 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
798 * cpplib.h (cpp_reader): Remove if_stack. Change
799 potential_control_macro to a cpp_hashnode *. Add skipping flag.
800 * cpphash.h (struct ihash): Change control_macro to a
801 cpp_hashnode * and shorten name to cmacro.
802 Add NEVER_REINCLUDE constant.
804 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
805 Examine the cmacro node directly, no need to call cpp_defined.
806 (_cpp_execute_include, read_include_file): Set cmacro to
807 NEVER_REINCLUDE, not U"".
808 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
809 (cpp_get_token): If pfile->skipping is true, discard text and
810 keep scanning until we hit a directive; don't expand macros.
812 * cpplib.c (struct if_stack): Remove if_succeeded, add
813 was_skipping. Change control_macro to a cpp_hashnode * and
814 shorten name to cmacro. Remove typedef IF_STACK.
815 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
816 (conditional_skip, skip_if_group,
817 consider_directive_while_skipping): Delete.
818 (push_conditional): New.
819 (_cpp_handle_directive): Don't process directives other than
820 conditionals if we are skipping.
822 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
823 Update to new scheme.
824 (validate_else): Skip rest of line here, unconditionally.
825 (_cpp_unwind_if_stack): The stack is per-buffer. Force
828 (all): Remove `scare quotes' from error messages.
830 2000-05-29 Richard Henderson <rth@cygnus.com>
832 * function.c (emit_return_into_block): New line_note arg; emit it.
833 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
834 for the close brace to accompany HAVE_return. Move all line notes
835 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
837 2000-05-29 Richard Henderson <rth@cygnus.com>
839 * longlong.h [__alpha] (count_leading_zeros): New.
840 (count_trailing_zeros): New.
841 (COUNT_LEADING_ZEROS_0): New.
843 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
844 (alpha_split_conditional_move): New.
845 * config/alpha/alpha-protos.h: Prototype them.
846 * config/alpha/alpha.h (PREDICATE_CODES): Update.
847 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
848 * config/alpha/alpha.md: Update ffs cix commentary.
850 (*nabssf2, *nabsdf2): New.
851 (*mov[qhsd]icc_internal): Use add_operand.
852 (if_then_else constant splitters): New.
853 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
854 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
856 2000-05-29 Richard Henderson <rth@cygnus.com>
858 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
859 a constant to NEG or NOT when conditions allow.
861 * combine.c (combine_simplify_rtx): Don't create an if_then_else
862 unless both args are general_operand. Don't canonicalize plus
863 to ior unless it helps.
865 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
866 instead track register_life_up_to_date. Toggle no_new_pseudos
869 2000-05-28 Geoff Keating <geoffk@cygnus.com>
871 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
872 so output_operand doesn't see them.
874 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
876 * lcm.c (make_preds_opaque): Fix comment.
877 (optimize_mode_switching): Use NORMAL_MODE instead of
878 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
879 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
880 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
881 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
882 (MODE_USES_IN_EXIT_BLOCK): Delete.
883 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
884 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
885 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
886 (MODE_NEEDED): Don't look for USE.
887 (EPILOGUE_USES): Define.
889 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
891 * mklibgcc.in (all): Variable initialised to `libgcc'.
893 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
895 * toplev.h (skip_leading_substring): New macro.
896 * toplev.c (decode_f_option): Use skip_leading_substring instead
898 (decode_W_option): Likewise.
900 2000-05-28 Nick Clifton <nickc@cygnus.com>
902 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
905 2000-05-28 Richard Henderson <rth@cygnus.com>
907 * regclass.c (record_operand_costs): Protect reg_changes_size
908 with CLASS_CANNOT_CHANGE_SIZE.
910 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
912 2000-05-28 Richard Henderson <rth@cygnus.com>
914 * function.c (diddle_return_value): A pcc-style struct return
917 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
919 * cppfiles.c: Read files in, using mmap if possible, then
920 prescan them separately.
921 (read_file, read_with_read): New functions.
922 * cpplex.c: Don't define UCHAR_MAX.
923 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
926 * cppinit.c (handle_option): Automatically define __cplusplus,
927 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
928 the respective -lang switch.
930 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
931 prototype): Move to...
932 * cpplib.h: ... here. Rename struct hashnode to struct
933 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
934 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
936 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
938 * config/rs6000/rs6000.md (movsi): Constify 'name'.
940 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
941 (class_can_change_size): New variable.
942 (reg_changes_size): New variable.
943 (init_reg_sets_1): Initialise class_can_change_size.
944 (record_operand_costs): Remove subreg_changes_size.
945 Don't pass it around. Instead update reg_changes_size.
946 (regclass): Initialise and free reg_changes_size. If a register
947 changes size, don't preference it to a class that contains
948 registers that can't change size.
949 (record_reg_classes): Don't look at subreg_changes_size.
951 2000-05-27 Richard Henderson <rth@cygnus.com>
953 * print-rtl.c (reg_names): Remove const.
954 * regclass.c (reg_names): Likewise.
955 * regs.h (reg_names): Likewise.
956 * hard-reg-set.h (reg_names): Likewise.
958 2000-05-27 Richard Henderson <rth@cygnus.com>
960 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
962 2000-05-27 Richard Henderson <rth@cygnus.com>
964 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
965 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
966 (alpha_expand_prologue): Emit prologue_mcount if needed.
967 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
968 * config/alpha/alpha.md (prologue_mcount): New.
969 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
970 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
971 * config/alpha/netbsd.h: Likewise.
973 2000-05-27 Richard Henderson <rth@cygnus.com>
975 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
976 change to config/elfos.h.
978 2000-05-27 Richard Henderson <rth@cygnus.com>
980 * Makefile.in (resource.o): Depend on except.h.
981 * except.h (output_exception_table_data): Prototype.
982 * genconfig.c (gen_peephole2): Prototype.
983 * genemit.c (main): Include ggc.h.
984 * genoutput.c: Revert parts of last change: include errors.h
985 (main): Set progname.
986 * recog.c: Include hard-reg-set.h before recog.h.
987 * resource.c: Include except.h.
989 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
991 (alpha_write_linkage): Protect with BUFSIZ.
992 (alpha_need_linkage): Update prototype.
993 * config/alpha/alpha.c (function_arg): Move VMS code here.
994 (alpha_links_base): Remove.
996 (mark_alpha_links_node, mark_alpha_links): New.
997 (alpha_write_one_linkage): New.
998 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
999 (alpha_write_linkage): Use splay_tree_foreach.
1000 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
1001 to get the linkage symbol.
1002 (call_value_vms): Likewise.
1003 * config/alpha/elf.h (output_file_directive): Remove decl.
1004 (ctors_section, dtors_section): Prototype.
1005 (sbss_section, sdata_section): Prototype.
1006 * config/alpha/vms.h (FUNCTION_ARG): Remove.
1007 (readonly_section, link_section, literals_section): Prototype.
1008 (ctors_section, dtors_section): Prototype.
1009 (vms_valid_decl_attribute_p): Remove decl.
1010 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
1012 2000-05-27 Geoff Keating <geoffk@cygnus.com>
1014 * reload.c (get_secondary_mem): Don't widen floating-point modes.
1016 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
1017 substituting the REG in a (subreg:X (reg:Y ...)).
1019 2000-05-28 Neil Booth <NeilB@earthling.net>
1021 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
1022 first token of a line BOL. Update EOF code for this.
1023 Remove illegal directive check - it appears in the (not
1024 yet committed) caller.
1025 * cpplib.h (BOL): New flag.
1027 2000-05-28 Neil Booth <NeilB@earthling.net>
1029 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
1030 (_cpp_free_toklist): No comment space to free.
1031 (expand_comment_space): Remove.
1032 (save_comment_space): Place the comment in the current token and
1033 not in a separate comment space.
1034 (_cpp_lex_line): Save comments during plain code and #define
1036 * cpplib.h (struct _cpp_toklist): Remove comment space.
1038 2000-05-28 Neil Booth <NeilB@earthling.net>
1040 * cppexp.c (parse_assertion): Supply extra argument to
1042 * cpplib.c (do_assert, do_unassert): Similarly.
1043 * cpphash.h (_cpp_init_toklist) Update.
1044 (_cpp_expand_token_space): New.
1045 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
1046 * cpplex.c (_cpp_init_toklist): New argument.
1047 (parse_string2): New argument multiline_ok.
1048 (spell_token): Take a const cpp_token *.
1049 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
1050 (SPELL_ macros): Replace with enum.
1051 (expand_token_space): Replace with _cpp_expand_token_space.
1052 Take COUNT argument.
1053 (IS_DIRECTIVE): Update.
1054 (_cpp_lex_line): Update token structure before parsing number.
1055 Don't assume start at beginning of token list.
1056 (save_comment): Use INIT_TOKEN_NAME.
1058 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1060 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
1061 -Wmissing-prototypes.
1062 * configure: Regenerate.
1063 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
1065 * builtins.c, calls.c: Change all instances of gen_call_* or
1066 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
1067 * calls.c (struct_value_size_rtx): Separate definition from
1068 initialization to avoid unused variable warning.
1070 * genflags.c (gen_macro): New function.
1071 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
1072 (gen_nonproto): Delete.
1073 (gen_insn): Put all insns on the same obstack.
1074 (main): Generate prototypes for everything unconditionally.
1076 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
1077 out check for wchar_t.
1078 * acconfig.h: Add template for ssize_t. Remove @TOP@.
1079 * system.h: Add infrastructure for defining missing
1080 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
1081 definitions of UCHAR_MAX and SSIZE_MAX.
1082 * configure: Regenerate.
1083 * config.in: Regenerate.
1085 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
1086 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
1088 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
1089 libgcc2.a, or libgcc1.null.
1091 2000-05-27 Richard Henderson <rth@cygnus.com>
1093 * Makefile.in (recog.o): Don't depend on resource.h.
1094 * recog.c: Don't include resource.h.
1095 (recog_last_allowed_insn): Remove.
1096 (recog_next_insn): Remove.
1097 (struct peep2_insn_data): New.
1098 (peep2_insn_data, peep2_current): New.
1099 (peep2_next_insn): New.
1100 (peep2_regno_dead_p, peep2_reg_dead_p): New.
1101 (peep2_find_free_register): New.
1102 (peephole2_optimize): Track life information by insn as we go.
1103 * recog.h: Update declarations.
1104 * resource.c (find_free_register, reg_dead_p): Remove.
1105 * resource.h: Remove their declarations.
1106 * toplev.c: Include hard-reg-set.h before recog.h.
1108 * genconfig.c (max_insns_per_peep2): New.
1109 (gen_peephole2): New.
1111 * genemit.c (output_peephole2_scratches): Generate calls to
1112 peep2_find_free_register; adjust surrounding code.
1113 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
1114 * genrecog.c (change_state): Don't track last_insn.
1115 (write_action): Write into *_pmatch_len before accepting.
1116 (write_tree): Adjust peephole2_insns and subroutines to match.
1118 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
1120 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
1121 (hard_int_register_operand): New.
1122 * config/alpha/alpha-protos.h: Declare it.
1123 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1124 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
1125 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
1127 2000-05-27 Richard Henderson <rth@cygnus.com>
1129 * function.c (thread_prologue_epilogue_insns): Don't move the
1130 line note at the head of the chain. Only force a lineno note
1131 before the end of block 0.
1133 2000-05-27 Richard Henderson <rth@cygnus.com>
1135 * gensupport.c (collect_insn_data): Record the maximum number
1136 of alternatives, not the last seen.
1138 * genoutput.c: Don't include errors.h.
1139 (struct data): Add lineno member.
1141 (scan_operands): Use message_with_line instead of error.
1142 (validate_insn_alternatives): Likewise.
1143 (gen_insn): Accept and store the pattern's line number.
1144 (gen_peephole, gen_expand, gen_split): Likewise.
1145 (main): Don't set progname. Pass line_no to gen_foo.
1147 2000-05-27 Richard Henderson <rth@cygnus.com>
1149 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
1150 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
1151 * config/d30v/d30v.md (attr predicable): New.
1152 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
1153 (andsi3*): Unify into one pattern.
1154 (iorsi3*, xorsi3*): Likewise.
1155 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
1157 (old cond_exec patterns): Remove.
1158 (define_cond_exec): New.
1160 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1162 * tree.h (TREE_CODE_LENGTH): New macro.
1163 * c-common.c (c_find_base_decl): Use it.
1164 * expr.c (safe_from_p): Likewise.
1165 * print-tree.c (print_node): Likewise.
1166 * tree.c (make_node, copy_node, get_identifier): Likewie.
1167 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
1168 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
1169 * fold-const.c (make_range): Likewise.
1170 (fold): Likewise; also use first_rtl_op.
1171 * c-iterate.c (collect_iterators): Use first_rtl_op.
1172 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1173 Use IS_EXPR_CODE_CLASS.
1174 (preexpand_calls): Likewise.
1175 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1176 and TREE_CODE_LENGTH.
1177 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1179 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1181 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1183 (movdi_internal64): Likewise.
1185 * config/rs6000/rs6000.md: Correct order of operands for DImode
1188 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1189 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1190 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1191 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1192 boolean_operator for the boolean patterns without NOTs.
1194 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1195 from reg_or_u_cint_operand. Change comment and behaviour.
1196 (logical_operand): Clean up, add assertion.
1197 (non_logical_cint_operand): Also check for
1198 reg_or_logical_cint_operand.
1199 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1200 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1206 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1208 * tree.h (struct record_layout_info): Rename to (struct
1209 record_layout_info_s).
1210 * stor-layout.c (start_record_layout): Replace
1211 `record_layout_info' with `record_layout_info_s'.
1213 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1215 * flow.c (find_label_refs): New function.
1216 (find_basic_blocks_1): Call it for each alternative of a call
1219 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1221 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1224 2000-05-25 Richard Henderson <rth@cygnus.com>
1226 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1227 so strict about DImode.
1228 (alpha_swapped_comparison_operator): Likewise.
1229 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1230 any integer output mode.
1231 (*setcc_internal): Likewise.
1232 (*setcc_swapped_internal): Likewise.
1233 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1234 (*mov[qhs]icc_internal): New.
1235 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1237 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1239 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1241 2000-05-25 Richard Henderson <rth@cygnus.com>
1243 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1244 Remove add_jump; add next; replace flags with visited.
1246 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1247 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1248 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1249 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1251 (reorder_index, reorder_last_visited): Remove.
1252 (skip_insns_after_block): Rewrite to use a switch.
1253 (get_common_dest): Remove.
1254 (chain_reorder_blocks): Remove.
1255 (record_effective_endpoints): Split out from reorder_basic_blocks.
1256 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1257 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1258 Only construct the reorder chain, do not move insns. Try harder
1260 (label_for_bb, emit_jump_to_block_after): New.
1261 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1262 and adjust the jump insns appropriately. Fixup basic_block_info.
1263 (verify_insn_chain): Always define.
1264 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1266 (make_new_scope): Don't write zeros to calloc'd space.
1267 (build_scope_forest): Rely on xrealloc to DTRT.
1268 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1269 profile_arc_flag. Streamline EH test.
1271 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1272 * basic-block.h: Declare them.
1274 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1276 * emit-rtl.c (reset_used_decls): New function.
1277 (unshare_all_rtl_again): Call it.
1279 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1281 * cpplex.c (maybe_macroexpand): Warn about function-like
1282 macros used in non-function context, if -Wtraditional.
1284 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1286 * recog.c (peephole2_optimize): Use INSN_P.
1288 2000-05-25 Richard Henderson <rth@cygnus.com>
1290 * ifcvt.c (seq_contains_jump): New.
1291 (noce_try_store_flag_constants): Use it to fail conversion.
1292 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1294 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1296 * except.h (can_throw): Declare it.
1297 * except.c (can_throw): Give it external linkage.
1298 * resource.c (find_dead_or_set_registers): Use can_throw.
1300 2000-05-25 Richard Henderson <rth@cygnus.com>
1302 * flow.c (mark_set_1): Don't record conditionally dead memory.
1304 2000-05-25 Jan Hubicka <jh@suse.cz>
1306 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1307 and pc_set at the place of simplejump_p and condjump_p.
1308 * cse.c (record_jump_equiv): Likewise.
1309 * emit-rtl.c (emit): Likewise.
1310 * explow.c (find_next_ref): Likewise.
1311 * flow.c (tidy_fallthru_edge): Likewise.
1312 (init_propagate_block_info): Likewise.
1313 * gcse.c (delete_null_pointer_checks): Likewise.
1314 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1315 dead_or_predicable): Likewise.
1316 * integrate.c (copy_insn_list): Likewise.
1317 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1318 for_each_insn_in_loop, check_dbra_loop, get_condition,
1319 insert_bct, load_mems): Likewise.
1320 * resource.c (find_dead_or_set_registers): Likewise.
1321 * sibcalls.c (simplejump_p): Likewise.
1322 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1324 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1326 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1327 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1329 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1330 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1331 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1332 * rs6000.md: Name various internal patterns.
1334 2000-05-25 Jan Hubicka <jh@suse.cz>
1336 * jump.c (invert_exp_1): Remove first argument, use pc_set
1337 to get the expression.
1338 (redirect_exp): Make static; redirect only the pc_set expression,
1339 remove first argument.
1340 (invert_exp): Remove first argument, make static.
1341 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1342 any_onlyjump at most places where we originaly did condjump_p
1344 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1345 (delete_barrier_succesors): Use pc_set.
1346 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1347 calls of invert_exp and redirect_exp.
1348 * rtl.h (redirect_exp, invert_exp): Remove.
1349 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1351 2000-05-25 Richard Henderson <rth@cygnus.com>
1353 * stmt.c (expand_end_bindings): Fix thinko last change.
1355 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1356 Andrew Haley <aph@cygnus.com>
1358 * except.c (func_eh_entry): Add emitted field.
1359 (new_eh_region_entry): Set emitted field to 0;
1360 (output_exception_table_entry): Only emit previously un-emitted data,
1361 and send it to the eh_data section.
1362 (output_exception_table): Break out common parts. Output
1363 exception table for entire compilation unit to eh_data section.
1364 (output_exception_table_data): Common parts of output_exception_table.
1365 Send output to eh_data section.
1366 (output_function_exception_table): Output exception table data for
1367 a single function to eh_data section.
1368 (free_exception_table): New external to free the table.
1369 * except.h (free_exception_table): Add prototype.
1370 (output_function_exception_table): Add prototype.
1371 * final.c (final_end_function): Output function exception table
1372 for IA64_UNWIND_INFO.
1373 (final_scan_insn): Emit any unwind directives for an insn.
1375 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1377 * frame.c: Remove all DWARF 2 specific code.
1378 * config/ia64/frame-ia64.c: New file.
1379 (gthread_stuff): Make all gthread available with
1381 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1382 (__register_frame_info, __register_frame): Move to common area of file.
1383 (__register_frame_info_table, __register_frame_table): Move to common i
1385 (__deregister_frame_info, __deregister_frame): Move to common area.
1386 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1387 (read_uleb128): New version for ia64.
1388 (get_unwind_record): Read the next IA-64 unwind record.
1389 (read_R_record): Read a region header record.
1390 (process_a_b_reg_code): X record helper.
1391 (read_X_record): Read an X format record.
1392 (read_B_record): Read a B format record.
1393 (P3_record_types): List of record types matching the P3 format.
1394 (P7_record_types): List of record types matching the P7 format.
1395 (P8_record_types): List of record types matching the P8 format.
1396 (read_P_record): Read a P format record.
1397 (init_ia64_reg_loc): Set default fields for a register.
1398 (init_ia64_unwind_frame): Set defaults for all register records.
1399 (execute_one_ia64_descriptor): Execute one descriptor record.
1400 (rse_address_add): Calculate the position of a local reg in memory.
1401 (normalize_reg_loc): Turn a location descriptor into a memory address.
1402 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1403 within a specified PC offset range.
1404 (get_real_reg_value): Given a register location, retrieve its value.
1405 (set_real_reg_value): Change the value of a register location.
1406 (copy_reg_value): Copy reg values, if needed.
1407 (copy_saved_reg_state): Copy all registers that need to be copied.
1408 (process_state_between): Normalize all frame register records that
1409 fall within the specified PC range.
1410 (frame_translate): Take a processed frame description, and turn
1411 everything into addresses.
1412 (build_ia64_frame_state ): Find and create frame state record for a PC.
1413 (get_personality): Get the personality routine for a given frame.
1414 (get_except_table): Get the exception table for a given frame.
1415 (record_name): Unwind record names for debugging.
1416 (print_record): Print and unwind record.
1417 (print_all_records): Print an entire unwind image.
1418 (__ia64_backtrace): Print a backtrace.
1419 (ia64_backtrace_helper): New function.
1420 (__register_frame_info_aux): New function.
1421 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1423 * frame.h (enum unw_record_type): New unwind record types.
1424 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1425 (struct unw_r_record, unwind_record): New unwind record structs.
1426 (struct unwind_info_ptr): Unwind information layout.
1427 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1429 (struct ia64_reg_loc): Register location description.
1430 (struct ia64_frame_state): Location of all registers in a frame.
1431 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1432 * libgcc2.c (__ia64_personality_v1): Personality routine.
1433 (__calc_caller_bsp): Calculate the bsp register for the caller's
1435 (ia64_throw_helper): Figure out who to return to and set up the
1437 (__throw): Throw routine.
1439 * output.h (assemble_eh_align, assemble_eh_label): New functions
1440 to generate EH info where we want it.
1441 (assemble_eh_integer): New function.
1442 * toplev.c (compile_file): Output module level exception table for
1444 (main): Set exceptions_via_longjump and flag_new_exceptions based
1445 on IA64_UNWIND_INFO too.
1447 * varasm.c (assemble_eh_label): Generate a label via
1448 ASM_OUTPUT_EH_LABEL if it has been specified.
1449 (assemble_eh_align): Generate an alignment directive via
1450 ASM_OUTPUT_EH_ALIGN if it has been specified.
1451 (assemble_eh_label): Generate an integer value via
1452 ASM_OUTPUT_EH_type if they have been specified.
1453 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1454 (ia64_init_builtins): Add __builtin_ia64_bsp
1455 and __builtin_ia64_flushrs.
1456 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1457 IA64_BUILTIN_FLUSHRS.
1458 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1459 IA64_BUILTIN_FLUSHRS.
1461 * config/ia64/ia64.md (flushrs): New insn to flush the register
1462 stack. Add to unspec list.
1464 * config/ia64/crtbegin.asm (frame_object): Change size.
1465 (__do_frame_setup_aux): New function.
1466 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1467 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1468 * Makefile.in (LIB2ADDEH): Add.
1469 (LIB2ADD): Use LIB2ADDEH.
1471 2000-05-24 Richard Henderson <rth@cygnus.com>
1473 * recog.c (offsettable_address_p): If mode size is zero, assume
1476 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1478 * configure.in: Check for -Wno-long-long option support and improve
1479 handling of warning CFLAGS for stages 1 and 2.
1480 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1481 * configure: Regenerate.
1483 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1485 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1486 * contrib.texi: New file.
1488 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1490 * loop.c (basic_induction_var): Avoid double recording of an increment.
1492 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1494 * Back out this patch:
1495 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1496 * loop.h (struct induction): Add multi_insn_incr.
1497 * loop.c (basic_induction_var): New multi_insn_incr argument.
1498 Set it if we search back through previous insns for the biv.
1499 (record_biv): New multi_insn_incr argument; fill in struct induction.
1500 (strength_reduce): Discard an iv with multiple bivs, any of
1501 which require multiple insns to increment.
1503 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1505 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1507 * rtl.h (loc_mentioned_in_p): Declare.
1508 * reload.c (loc_mentioned_in_p): Moved from here...
1509 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1510 Fix loop increment for 'E' handling.
1511 * loop.c (strength_reduce): When doing biv->giv conversion,
1512 take multi-insn biv increments into account.
1514 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1516 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1519 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1521 * calls.c (expand_call): Handle cleanups in tail-recursion
1522 arguments analagously to cleanups in sibling calls.
1524 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1526 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1527 All callers changed.
1529 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1531 * expr.c (expand_assignment, store_expr, expand_expr,
1532 expand_expr_unaligned): Set in_check_memory_usage while emitting
1533 chkr_check_addr libcall.
1535 2000-05-24 Nick Clifton <nickc@cygnus.com>
1537 * fold-const.c (extract_muldiv): When constructing a
1538 multiplier/divisor, do not expect const_binop to correctly
1539 determine if overflow has occured, so check explicitly.
1541 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1543 * c-decl.c (build_enumerator): Don't modify the value's type,
1546 2000-05-24 Andreas Jaeger <aj@suse.de>
1548 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1550 2000-05-24 Eric Christopher <echristo@cygnus.com>
1552 * configure.in: Redefine inhibit_libc conditions.
1553 * libgcc2.c: Remove inhibit_libc conditional define.
1554 * configure: Regenerate.
1556 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1558 * configure.in: For --enable-languages=LIST, check for empty LIST.
1559 * configure: Regenerate.
1561 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1563 * pdp11.h (STACK_BOUNDARY): Define.
1565 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1567 * ifcvt.c (if_convert): Update life info globally.
1569 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1571 * emit-rtl.c (unshare_all_decls): New function.
1572 (unshare_all_rtl): Call it.
1574 2000-05-23 Nick Clifton <nickc@cygnus.com>
1576 * configure.in: Treat 'strongarm' as if it were 'arm' when
1577 determining cpu type.
1579 * configure: Regenerate.
1581 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1582 where constant strings are involved.
1584 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1587 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1588 cases where constant strings are involved.
1590 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1592 * config/sh/sh.c (gen_far_branch, split_branches): Update
1593 to reflect new prototypes for redirect_jump and invert_jump.
1594 (sh_insn_length_adjustment): Get rid of const warnings.
1596 2000-05-23 Kazu Hirata <kazu@hxi.com>
1598 * invoke.texi (Options for Debugging Your Program or GCC): Update
1599 the names of dump files.
1601 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1603 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1604 * configure: Regenerated.
1606 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1608 * simplify-rtx.c (SIGN_EXTEND): New macro.
1609 (simplify_unary_operation, simplify_binary_operation,
1610 simplify_relational_operation): Use SIGN_EXTEND. Make low
1611 halves of (low, high) pairs unsigned if they weren't already.
1612 (simplify_ternary_operation): Cast INTVAL to unsigned before
1613 comparing to a MODE_BITSIZE.
1615 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1617 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1618 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1620 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1621 gcc_AC_NEED_DECLARATIONS.
1623 * dwarfout.c: Don't prototype time().
1625 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1627 * system.h: Likewise.
1629 * toplev.c: Likewise.
1631 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1633 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1635 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1637 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1639 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1641 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1643 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1645 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1646 (alpha_start_function): Never write ..ng label if VMS or NT.
1647 (alpha_align_insns): Remove GP_IN_USE arg.
1648 Alignment now unsigned.
1649 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1650 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1651 and two define_insn's.
1653 2000-05-22 Richard Henderson <rth@cygnus.com>
1655 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1657 2000-05-22 Richard Henderson <rth@cygnus.com>
1659 * stor-layout.c (place_field): Change rli->size to rli->offset.
1661 2000-05-22 Richard Henderson <rth@cygnus.com>
1663 * function.c (thread_prologue_and_epilogue_insns): Make sure
1664 existing line number notes appear after the prologue.
1666 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1668 * config/alpha/alpha.c (alpha_fnname): New static variable.
1669 (print_operand, case '~'): New case.
1670 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1671 (alpha_start_function): Set alpha_fnname.
1672 Write "ng" label if no ldgp; don't write ldgp insn.
1673 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1674 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1676 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1678 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1681 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1683 * varasm.c (eh_frame_section): Revert change to argument list.
1685 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1687 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1688 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1690 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1691 dangling "else" that causes "break" to be conditional.
1692 Also remove unneeded code at start.
1694 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1696 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1697 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1698 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1700 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1702 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1705 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1707 * alias.c (record_component_aliases): New function.
1708 * tree.h: Clean up some declarations and comments.
1709 (record_component_aliases): New declaration.
1710 * tree.c (get_alias_set): If type and has alias set, use it.
1712 2000-05-22 Richard Henderson <rth@cygnus.com>
1714 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1715 IF_THEN_ELSE to a setcc form.
1716 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1718 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1720 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1721 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1723 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1725 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1728 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1730 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1731 * config/mn10300/mn10300.c (print_operand): Likewise.
1733 * final.c (split_double): Right shift of negative values is not
1736 * ifcvt.c (if_convert): Scan and kill dead code.
1738 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1740 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1742 * diagnostic.c: Eliminate implicit int.
1743 * except.c, gcc.c: Add static prototypes.
1744 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1745 * gensupport.c (process_rtx): Use XVEC to initialize vector
1748 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1749 debug_reg_names instead of static reg_names. If not, define
1751 * regclass.c: Don't define global reg_names unless
1752 DEBUG_REGISTER_NAMES is defined.
1754 * reload1.c (order_regs_for_reload): Remove unused variable.
1755 * varasm.c: Include output.h after defaults.h. Define
1756 eh_frame_section as function of no args, not of unspecified args.
1758 * gcc.c: Constify argbuf; arguments to store_arg,
1759 process_command, main; elements of struct command and struct
1760 switchstr; local variables in execute, process_command, main.
1762 2000-05-20 Bruce Korb <bkorb@gnu.org>
1764 * fixinc/inclhack.def: many applications of c_fix=format + tests
1765 * fixinc/check.diff: regenerated
1766 * fixinc/fixincl.x: regenerated
1768 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1770 * alias.c: Clarify some comments.
1771 (record_base_value): REGNO is unsigned.
1772 * rtl.h (record_base_value): Likewise.
1774 * alias.c (aliases_everything_p): Don't special-case QImode here.
1775 * c-common.c (c_get_alias_set): Do it here.
1776 Handle BIT_FIELD_REF by getting alias info for arg.
1779 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1781 * mklibgcc.in: Restore rule to create ${dir}.
1783 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1785 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1786 GCC_FOR_TARGET used by MULTILIBS.
1787 * mklibgcc.in: Make sure each .o file depends on the
1788 directory it will be in.
1789 Make the multilib directory depends libgcc.
1791 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1793 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1795 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1797 * fold-const.c (make_range): Handle degenerated intervals.
1798 Fixes c-torture/execute/991221-1.c
1800 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1802 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1803 * reload.c (find_equiv_reg): Likewise.
1804 * alias.c (init_alias_analysis): Likewise.
1805 Only call prologue_epilogue_contains on insns.
1806 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1807 * bb-reorder.c (hard-reg-set.h): Include earlier.
1808 * haifa-sched.c (hard-reg-set.h): Likewise.
1809 * ifcvt.c (hard-reg-set.h): Likewise.
1810 * local-alloc.c (hard-reg-set.h): Likewise.
1811 * loop.c (hard-reg-set.h): Likewise.
1812 * predict.c (hard-reg-set.h): Likewise.
1813 * regrename.c (hard-reg-set.h): Likewise.
1814 * flow.c (hard-reg-set.h): Likewise.
1815 (reg_set_to_hard_reg_set): New function.
1816 * bitmap.c (regs.h, basic-block.h): No longer include.
1817 (bitmap.h): Now include.
1818 * conflict.c (hard-reg-set.h): Include.
1819 * profile.c (hard-reg-set.h): Likewise.
1820 * print-rtl.c (hard-reg-set.h): Likewise.
1821 * sbitmap.c (hard-reg-set.h): Likewise.
1822 * toplev.c (hard-reg-set.h): Likewise.
1823 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1824 * hard-reg-set.h (reg_names): Now constant.
1825 * regs.h (reg_names): Likewise.
1826 * regclass.c (reg_names): Likewise.
1827 * loop.h (basic-block.h): No longer include.
1828 (bitmap.h): Now include.
1829 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1830 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1831 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1833 2000-05-19 Jan Hubicka <jh@suse.cz>
1834 Richard Henderson <rth@cygnus.com>
1836 * basic-block.h (struct edge_def): New field "count".
1837 (struct basic_block_def): Likewise.
1838 * flow.c (entry_exit_blocks): Add count fileds.
1839 (split_edge): Keep count information up-to-date.
1840 (dump_edge_info, dump_flow_info): Dump count fields.
1842 * final.c (count_instrumented_edges): Rename to edge from arc.
1843 (end_final): Update users.
1844 * profile.c: Include expr.h, basic-block.h.
1845 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1846 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1847 (ignore_next_note, return_label_execution_count): Kill.
1848 (bbg_file_name, da_file_name): Kill.
1849 (edge_info, bb_info): New structures.
1850 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1851 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1852 (total_num_edges_instrumented): Likewise.
1853 (init_arc, expand_spanning_tree): Kill.
1854 (fill_spanning_tree, tablejump_entry_p): Kill.
1855 (instrument_edges): Rewrite from instrument_arcs to use
1856 commit_edge_insertions infrastructure.
1857 (compute_branch_probabilities): Remove arguments; rewrite for
1858 CFG infrastructure; use rtl_dump_file directly.
1859 (branch_prob, find_spanning_tree): Likewise.
1860 (union_groups, find_group): New.
1861 (init_branch_prob): Make bbg_file_name and da_file_name local.
1862 (end_branch_prob): Use rtl_dump_file directly.
1863 (init_edge_profiler): Rename to edge from arc.
1864 (output_arc_profiler): Kill.
1865 (gen_edge_profiler): New.
1866 (output_func_start_profiler): Turn off profiling. Make the
1867 constructor static when we can.
1868 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1870 * toplev.c (DFI_flow): Remove.
1871 (DFI_cfg, DFI_life): New.
1872 (dump_file): Update accordingly.
1873 (compile_file): Call end_branch_prob if profile_arc_flag too.
1874 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1875 profiling after the CFG is built. Move flow1 life analysis to
1876 DFI_life. Always estimate remaining probabilities.
1878 2000-05-19 Richard Henderson <rth@cygnus.com>
1880 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1882 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1884 2000-05-19 Richard Henderson <rth@cygnus.com>
1886 * jump.c (redirect_jump): Add delete_unused argument. Don't
1887 remove labels and code following when LABEL_NUSES goes to zero.
1888 (invert_jump): Likewise.
1889 (jump_optimize_1): Fix redirect/invert arguments.
1890 (do_cross_jump, thread_jumps): Likewise.
1891 * flow.c (split_edge): Likewise.
1892 * reorg.c (optimize_skip): Likewise.
1893 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1894 * profile.c (instrument_arcs): Likewise.
1895 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1896 * rtl.h: Update prototypes.
1898 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1900 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1902 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1905 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1907 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1908 past l1 when deleting whitespace and markers.
1910 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1911 * cpplib.c (do_unassert): Put the list to compare against on
1914 2000-05-19 Bruce Korb <bkorb@gnu.org>
1916 * fixinc/README: cleaned up old documentation
1917 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1918 * fixinc/check.tpl: compute the list of needed directories
1919 emit "#if defined(name)" because of conflict
1920 omit machine name differences from output differences
1921 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1922 (machine_name): change test text to use `sed' markers
1923 * fixinc/fixincl.x: regen
1925 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1927 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1930 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1932 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1933 it to match the current practice.
1935 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1937 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1939 2000-05-18 Richard Henderson <rth@cygnus.com>
1941 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1942 * rtl.h (insn_dependant_p): Declare it.
1943 * loop.c (strength_reduce): Use it.
1945 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1947 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1948 16-bit and 64-bit clean-up.
1950 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1952 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1953 * configure: Rebuilt.
1955 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1957 * genopinit.c: Use $ for escape sequences in optab patterns.
1958 Remove backslashes from optab patterns. Change $A, $B, $C to
1959 expand to (int) whatever instead of just whatever; remove
1960 explicit (int) from all optab patterns.
1962 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1963 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1964 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1965 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1968 2000-05-18 Richard Henderson <rth@cygnus.com>
1970 * jump.c (jump_optimize_1): Base minimum insn count during
1971 find_cross_jump on BRANCH_COST.
1973 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1975 * print-rtl.c (print_rtx): Only print note line number as string
1976 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1977 * final.c (final_scan_insn): Do nothing for note line number 0.
1979 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1981 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1982 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1983 NOTE_INSN_DELETED_LABEL.
1985 2000-05-18 Nick Clifton <nickc@cygnus.com>
1987 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1988 uninitialised data in .rodata not .bss, and do not interpret an
1989 error in the initialisation value as meaning that the variable
1990 should be placed in the .bss section.
1992 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1994 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1995 not `$ac_cv_prog_cc_cc_c_o'.
1996 * configure: Regenerated.
1998 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1999 Richard Henderson <rth@cygnus.com>
2001 * c-common.h (enum c_tree_index): Add g77 type entries.
2002 (g77_integer_type_node, g77_uinteger_type_node): New.
2003 (g77_longint_type_node, g77_ulongint_type_node): New.
2004 * c-decl.c (init_decl_processing): Initialize them.
2006 2000-05-18 Richard Henderson <rth@cygnus.com>
2008 * config/h8300/h8300.md (subs patterns): Use %G to negate.
2010 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
2011 (small_power_of_two): Likewise; use exact_log2.
2012 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
2013 (output_adds_subs): Remove.
2014 (two_insn_adds_subs_operand): New.
2015 (split_adds_subs): New.
2016 * config/h8300/h8300-protos.h: Update.
2017 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
2018 (CONST_OK_FOR_L): Match strict adds operands.
2019 (CONST_OK_FOR_N): Match struct subs operands.
2020 * config/h8300/h8300.md (adds_subs insns): Remove.
2021 (addhi patterns): Output adds/subs directly.
2022 (addsi_h8300h): Likewise.
2023 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
2025 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2027 * cppexp.c (parse_assertion): New.
2028 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
2029 (_cpp_parse_expr): Remove case '#'. Don't set
2030 parsing_if_directive.
2031 * cpphash.c (collect_objlike_expansion,
2032 collect_funlike_expansion, collect_params,
2033 _cpp_create_definition): The list no longer has a trailing
2035 * cpphash.h (enum node_type): Add T_ASSERTION.
2036 (struct hashnode): Remove aschain, add pred.
2037 (struct predicate): New.
2040 * cpplex.c (expand_token_space): Handle both offset and
2042 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
2043 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
2044 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
2045 _cpp_equiv_toklists): New.
2046 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
2047 stop at any single-character token, not just newline.
2048 (_cpp_lex_token): Remove special cases for #define and #if.
2049 (cpp_get_token): Expect # as a separate token type. Remove
2051 (_cpp_get_directive_token): Remove DIRECTIVE case.
2052 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
2054 * cpplib.c (_cpp_check_directive): Set dirno and
2055 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
2056 (_cpp_handle_directive): Run # <number> through the same logic
2057 as normal directives.
2058 (do_define): Don't set parsing_define_directive. Use
2059 _cpp_scan_until. The list does not have a VSPACE at the end.
2060 (do_if): Save, clear, and restore only_seen_white around
2062 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
2063 (do_assert, do_unassert): Rewrite.
2065 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
2066 (LIST_OFFSET): New flag.
2067 (struct cpp_toklist): Replace dir_handler and dir_flags with
2069 (struct cpp_reader): Remove parsing_if_directive and
2070 parsing_define_directive.
2072 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2074 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
2075 following the cabs decl which terminate on the following line.
2076 Add the corresponding test_text case.
2078 2000-05-18 Neil Booth <NeilB@earthling.net>
2080 * cppinit.c (cpp_reader_init): Initialise col_adjust and
2081 default tab stop size.
2082 (no_num, OPT_ftabstop): New.
2083 (handle_option): Handle "ftabstop=" command-line option.
2084 (print_help): Document it.
2085 * cpplex.c (COLUMN): Remove.
2086 (handle_newline): Reset col_adjust.
2087 (skip_whitespace): Update col_adjust as tabs encountered.
2088 (_cpp_lex_line): Update to use col_adjust. Call
2089 skip_whitespace for all whitespace.
2090 * cpplib.h (struct cpp_options): New member tabstop.
2091 (struct cpp_reader): New member col_adjust.
2092 (CPP_BUF_COL): Update.
2093 (CPP_BUF_COLUMN): New.
2094 * cpp.texi: Document "-ftabstop=" command line option.
2096 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
2098 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
2100 * configure: Rebuilt.
2102 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
2104 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
2106 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
2107 HOST_BITS_PER_WIDE_INT is >= 64.
2109 2000-05-17 Richard Henderson <rth@cygnus.com>
2111 * jump.c (jump_optimize_1): Remove inactive but real insns
2112 in jump-to-next-insn optimization.
2114 2000-05-17 Richard Henderson <rth@cygnus.com>
2116 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
2117 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
2118 Don't call recompute_reg_usage if no_new_pseudos is true.
2119 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
2120 Return true if we did work; update global life information.
2121 * basic-block.h (optimize_mode_switching): Update decl.
2123 2000-05-17 Neil Booth <neilb@earthling.net>
2125 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
2127 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
2129 * cpplib.c: New feature, #pragma system_header.
2130 * cpp.texi: Document special treatment of system headers, and
2131 the various mechanisms to get a header that special treatment.
2133 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2135 * system.h (offsetof): Define at the very end, to ensure we prefer
2136 the platform's definition if available.
2138 2000-05-16 Bruce Korb <bkorb@gnu.org>
2140 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
2141 * fixinc/server.c: likewise
2142 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
2143 + #ifdef debugging code + use #def constant for
2145 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
2146 on C++ math namespace
2148 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2150 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
2151 Don't check the return value of sprintf. Use asprintf to avoid
2154 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
2156 * flags.h (warn_unused_function, warn_unused_label,
2157 warn_unused_parameter, warn_unused_variable, warn_unused_value):
2158 Replace ``warn_unused''.
2159 (set_Wunused): Add declaration.
2160 * toplev.c (set_Wunused): New function.
2161 (warn_unused_function, warn_unused_label, warn_unused_parameter,
2162 warn_unused_variable, warn_unused_value): New variables.
2163 (W_options): Add -Wunused-function, -Wunused-function,
2164 -Wunused-label, -Wunused-parameter, -Wunused-variable and
2165 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
2167 * toplev.c (decode_W_option): Update -Wunused flags by calling
2169 * c-decl.c (c_decode_option): Ditto for -Wall.
2171 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2172 warn_about_unused_variables): Replace warn_unused with more
2173 explicit warn_unused_value et.al.
2174 * function.c (expand_function_end): Ditto.
2175 * c-typeck.c (internal_build_compound_expr,
2176 internal_build_compound_expr): Ditto.
2177 * c-decl.c (poplevel, pop_label_level): Ditto.
2178 * toplev.c (check_global_declarations): Replace warn_unused with
2179 check for either warn_unused_function or warn_unused_variable.
2181 * gcc.1, invoke.texi (Warning Options): Document
2182 -Wunused-function, -Wunused-function, -Wunused-label,
2183 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2185 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2187 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2188 $(srcdir), not in the current directory.
2190 2000-05-16 Richard Henderson <rth@cygnus.com>
2192 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2193 assembler supports it.
2194 (.fini, .init): Use a gp-relative indirect call.
2195 (__do_global_dtors_aux): Preserve the gp; rebundle.
2196 (__do_frame_setup): Likewise.
2197 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2198 (.init): Use a gp-relative indirect call.
2199 (__do_global_ctors_aux): Preserve the gp.
2201 2000-05-16 Richard Henderson <rth@cygnus.com>
2203 * flow.c (commit_one_edge_insertion): Be prepared for a return
2204 insn to be inserted on the edge with a normal jump.
2205 * jump.c (jump_optimize_1): Don't look to create return isns.
2207 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2208 * jump.c (jump_optimize_1): Likewise.
2209 (returnjump_p): Verify the argument is a JUMP_INSN.
2210 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2212 2000-05-16 Nick Clifton <nickc@cygnus.com>
2214 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2215 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2216 (large_insn_p): Ditto.
2217 (m32r_is_insn): New function: Return true if the insn contains
2218 an executable instruction.
2219 (m32r_adjust_insn): Use m32r_is_insn.
2220 (m32r_sched_reorder): Use m32r_is_insn.
2221 (m32r_sched_variable_issue): Use m32r_is_insn.
2223 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2225 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2228 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2230 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2231 according to given options.
2233 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2235 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2236 if X has VOIDmode either.
2237 (LIMIT_RELOAD_CLASS): Similarly.
2239 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2240 not "general_operand" to match the processor's capabilities.
2242 2000-05-16 Bruce Korb <bkorb@gnu.org>
2244 * fixinc/README: corrected return address
2245 * fixinc/check.diff: regenerate, now that test works
2246 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2247 (char_macro_def_fix,char_macro_use_fix): corrected and
2248 rewrote to use regex to parse the text
2249 * fixinc/inclhack.def: more testing
2250 * fixinc/fixincl.x: regenerated
2252 * fixinc/inclhack.def: added several "test_text" attributes
2253 changed several fixes to use `c_fix = format'
2254 re-alphabetized the fixes
2256 * fixinc/check.diff: regenerate
2257 * fixinc/fixincl.x: regenerate
2258 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2262 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2264 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2266 2000-05-15 Richard Henderson <rth@cygnus.com>
2268 * toplev.c (rest_of_compilation): Run full jump pass before
2269 find_basic_blocks of flow2.
2271 2000-05-15 Richard Henderson <rth@cygnus.com>
2273 * jump.c: Fix typos and clarify commentary from last change.
2274 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2275 (safe_to_remove_jump_p): Remove.
2276 (condjump_label): Use pc_set.
2278 2000-05-15 Richard Henderson <rth@cygnus.com>
2280 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2281 that get in the way after reload.
2282 (cond_exec_process_if_block): Skip a label heading THEN block.
2284 2000-05-15 Richard Henderson <rth@cygnus.com>
2286 * varasm.c (output_constant_pool): Abort instead of converting
2287 (improperly) deleted labels to zero.
2289 2000-05-16 Neil Booth <NeilB@earthling.net>
2291 * cpplex.c (parse_string2): Update comment.
2292 (cpp_lex_line): No special assertion treatment for '('.
2293 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2294 * cpplib.h (SYNTAX_ASSERT): Remove.
2296 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2298 * jump.c (condjump_p): Mark as depreached.
2299 (any_condump_p): New.
2300 (any_uncondump_p): New.
2302 (safe_to_remove_jump_p): New.
2303 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2304 safe_to_remove_jump_p): Declare.
2306 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2308 * calls.c: Re-install both patches reverted by last patch.
2309 (struct arg_data): New field tail_call_reg.
2310 (initialize_argument_information): Initialize tail_call_reg
2311 (load_register_parameters): New argument flags, use
2312 tail_call_reg when emiting tail call sequence.
2313 (expand_call): Update call of load_register_parameters;
2314 copy unadjusted_args_size to adjusted_args_size.
2316 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2318 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2319 and bct_p parameters to flags.
2320 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2321 * rtl.h (loop_optimize): Update prototype.
2322 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2324 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2326 * calls.c (expand_call): Move expand_start_target_temps call after
2329 2000-05-15 Neil Booth <NeilB@earthling.net>
2331 * cpphash.c (trad_stringify, warn_trad_stringify,
2332 collect_params): Make some pointers pointers to const.
2333 * cpplex.c (auto_expand_name_space) Guaranteed to always
2334 expand by at least one character.
2335 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2336 (struct token_spelling): Use const U_CHAR * rather than PTR.
2337 (expand_name_space): Fix up token pointers if name space
2338 is moved when expanding.
2339 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2340 parse_string2, save_comment, spell_token, cpp_output_list):
2341 Update so the routines handle tokens with a direct pointer to
2342 their text, rather than an offset into the token's list's namebuf.
2343 (_cpp_lex_line): Rearrange for clarity.
2345 * cpplib.c (_cpp_check_directive): Similarly.
2346 (do_define): Make SYM a pointer to const.
2347 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2348 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2349 (TOK_OFFSET): Delete.
2352 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2354 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2357 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2359 (logical_u_operand): Delete.
2360 (non_logical_cint_operand): Rewrite to take MODE into account.
2361 (non_logical_u_cint_operand): Delete.
2362 (boolean_operator): New function.
2363 (print_operand): Add new %q operand.
2364 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2365 remove logical_u_operand and non_logical_u_cint_operand,
2366 update logical_operand and non_logical_cint_operand.
2367 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2368 logical operations to use %q.
2370 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2371 (movdi): Make similar to movsi.
2372 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2373 is no such thing as a DImode CONST_DOUBLE.
2374 * config/rs6000/rs6000.c (output_toc): Likewise.
2376 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2377 codes when old mnemonics are in use. Print register names
2378 for cc registers when requested.
2380 * optabs.c (expand_float): Don't allow mode widening that causes
2383 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2384 flags to their current names -maix64 and -maix32.
2386 2000-05-14 Bruce Korb <bkorb@gnu.org>
2388 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2389 and/or after current text of file
2390 * fixinc/fixlib.c(must_malloc):
2391 * fixinc/fixlib.h(must_malloc): + reformatting
2392 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2393 with usages of ``c_fix = wrap;''
2394 Add several tests and use the ``c_fix = format'' fixer more.
2395 * fixinc/fixincl.x: regen
2396 * fixinc/check.diff: regen
2397 * fixinc/check.tpl: emit the associated header with the missing
2400 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2402 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2403 variables $src and $dst.
2405 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2407 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2408 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2409 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2410 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2412 (set_message_prefixing_rule): Declare.
2414 * diagnostic.c: (current_prefixing_rule): New variable.
2415 (set_message_prefixing_rule): Define.
2416 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2417 (init_output_buffer): Adjust Initialization.
2418 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2420 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2422 * ifcvt.c (if_convert): Do not free NULL.
2424 2000-05-12 Nick Clifton <nickc@cygnus.com>
2426 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2427 to move a double word value.
2428 (di_operand): New function: Return true if the operand is suitbale
2429 for a double word move operation.
2430 (nonimmediate_di_operand): New function: Return true if the
2431 operand is a DImode register or MEM.
2433 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2434 nonimmediate_di_operand.
2436 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2437 nonimmediate_di_operand.
2439 * config/fr30/fr30.md (movdi): New pattern. Required because
2440 other patterns generate DImode results.
2441 (movdi_insn): New pattern.
2443 2000-05-12 Richard Henderson <rth@cygnus.com>
2445 * config/alpha/alpha.c (struct shadow_summary): Define
2446 bitfields as type unsigned int.
2448 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2450 * config/avr/t-avr: Added definition of FLOAT while generates
2453 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2454 peepholes for tst+jump = sbrs/sbrc optimization.
2456 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2458 * expr.c (emit_push_insn): Do not adjust stack pointer when
2461 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2463 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2464 * system.h (offsetof): ... to here.
2466 2000-05-12 Richard Henderson <rth@cygnus.com>
2468 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2469 * final.c (final_end_function): Use app_disable. Rearrange note
2470 handling into a switch. Emit deleted labels.
2471 (output_asm_label): Generate label strings for deleted labels.
2472 * flow.c (tail_recursion_label_list): New.
2473 (find_basic_blocks_1): Set label_value_list directly. Collect list
2474 of tail recursion labels from call_placeholders. Don't add deleted
2475 labels to the label value list.
2476 (cleanup_cfg): Use free_EXPR_LIST_list.
2477 (flow_delete_insn_chain): Turn non-removable labels into notes.
2478 (flow_delete_block): Don't disable deleting the block because of
2479 a non-removable label.
2480 (tail_recursion_label_p): New.
2481 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2483 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2485 (merge_blocks): Disable a merge because of tail recursion labels.
2486 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2487 Use a more accurate measure of not merging the join block.
2488 (find_if_block): Don't disable conversion because of a label.
2489 (find_if_case_1, find_if_case_2): Likewise.
2490 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2491 element when copying.
2492 (squeeze_notes): Also leave EH notes.
2493 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2495 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2497 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2498 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2499 referring to a deleted label. Convert tail handling to a switch.
2500 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2501 for NOTE_INSN_DELETED_LABEL.
2502 (NOTE): Fix commentary.
2503 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2504 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2505 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2506 (LABEL_NUSES, LABEL_REFS): Likewise.
2507 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2509 2000-05-12 Bruce Korb <bkorb@gnu.org>
2511 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2512 * fixinc/check.diff: updated
2513 * fixinc/inclhack.def: corrected & added some test_text-s
2514 * fixinc/genfixes: removed unneeded options to autogen invocation
2515 * fixinc/fixincl.tpl: Specified the output file
2516 * fixinc/fixfixes.c: visual appearance
2517 * fixinc/fixincl.x: regenerate
2519 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2521 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2522 CTRL_defn_fix): Delete.
2523 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2524 char_macro_def_fix and char_macro_use_fix, respectively. Put
2525 them into the FIXUP_TABLE. Get the string to search for from
2528 (format_write): New function.
2529 (format_fix): Use it.
2531 (FIX_PROC_HEAD): Constify text parameter.
2532 (machine_name_fix): Constify all char *s.
2533 * fixtests.c (skip_quote): Remove double static.
2535 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2536 ctrl_use_quotes): Update for new scheme.
2537 * fixincl.x: Regenerate.
2539 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2541 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2543 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2544 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2546 2000-05-11 Robert Lipe <robertlipe@usa.net>
2548 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2549 * fixincl.x: Regenerate.
2551 2000-05-11 Richard Henderson <rth@cygnus.com>
2553 * calls.c: Revert both 05-09 patches.
2555 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2557 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2559 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2562 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2563 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2565 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2567 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2569 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2571 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2573 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2575 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2576 * config/avr/avr.c (jump_over_one_insn_p): New function.
2577 * config/avr/avr.md: New peepholes added. Output test and
2578 conditional jump to "sbrc" or "sbrs" command.
2580 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2582 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2584 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2586 * except.c (find_exception_handler_labels_1): New function.
2587 (find_exception_handler_labels): Split into two functions, dive
2588 into CALL_PLACEHOLDERs when looking for exception handler labels.
2590 2000-05-11 Stan Cox <scox@cygnus.com>
2592 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2593 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2594 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2596 2000-05-11 Bruce Korb <bkorb@gnu.org>
2598 * fixinc/fixfixes.c (double_slash_fix): obsolete
2599 (else_endif_label_fix): obsolete
2600 (format_fix): new, unused as yet
2602 * fixinc/fixlib.h: added fix description struct for use by format_fix
2603 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2604 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2605 modules. Removed the vestiges of the script version.
2606 Added support for "make check".
2607 * fixinc/check.diff: base diff file (needs work!!)
2608 * fixinc/check.tpl: quiet the fixup output
2609 * fixinc/fixtests.c (main): obsolete
2610 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2611 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2613 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2615 * toplev.c (rest_of_compilation): Remove dead code after
2618 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2620 * cpphash.c (collect_funlike_expansion): Make "# is not
2621 followed by a macro argument name" a pedwarn, not an error.
2622 Preserve the # in the output. Suppress the warning if lang_asm.
2624 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2626 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2627 * configure: Rebuilt.
2629 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2631 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2633 2000-05-10 Kazu Hirata <kazu@hxi.com>
2635 * combine.c (try_combine): Fix a typo.
2637 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2639 * config/ia64/ia64.md (insv): Add comment.
2641 2000-05-10 Richard Henderson <rth@cygnus.com>
2643 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2644 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2645 dependancies on FPBIT and DPBIT.
2647 2000-05-10 Nick Clifton <nickc@redhat.com>
2649 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2650 when optimising for size.
2651 (mark_used_regs:) Ditto.
2652 (try_pre_increment_1): Ditto.
2654 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2656 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2657 Make error message friendlier.
2659 * cpphash.h (struct hashnode): Use struct hack for name
2661 * cpphash.c (struct hashdummy): New.
2662 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2663 (make_HASHNODE): No need to set ->name pointer. Correct
2665 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2667 2000-05-10 Richard Henderson <rth@cygnus.com>
2669 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2672 2000-05-10 Bruce Korb <bkorb@gnu.org>
2674 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2676 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2678 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2679 after we enter .debug.
2681 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2683 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2684 abstract instance of a nested inline function.
2686 * stor-layout.c (finish_record_layout): finalize_type_size
2687 before laying out the pending_statics.
2689 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2691 * cpplex.c (spell_token): New function.
2692 (spell_string, spell_comment, spell_name): fold into
2695 (E, H): Remove macros.
2696 (save_comment): Save comment opening characters too.
2697 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2699 * cpplib.h (I, S): Add macros.
2700 (E, H): Remove macros.
2701 (TTYPE_TABLE): Update entries for new speller.
2702 (SYNTAX_ASSERT): Remove.
2704 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2706 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2707 when removing escaped newlines. Reverse sense of test for
2710 2000-05-09 Richard Henderson <rth@cygnus.com>
2712 * flow.c (find_basic_blocks_1): Do not delete the first
2713 bb_note we run across.
2714 (create_basic_block): Use reorder_insns to move an existing
2715 bb_note to the correct place.
2717 2000-05-09 Richard Henderson <rth@cygnus.com>
2719 * calls.c (expand_call): Increment currently_expanding_call
2720 before calling optimize_tail_recursion.
2722 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2724 * reload1.c (reload_combine): Fix errors in last change.
2726 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2728 * gcc.c (used_arg): Skip over a semicolon at the end of the
2729 split-up loop; don't break out of it.
2731 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2732 (tree.o): Depend on output.h.
2734 * c-decl.c (pending_invalid_xref_file,
2735 current_function_prototype_file): Constify.
2736 (pushdecl): Constify a local char *.
2737 (define_label): Constify filename parameter.
2738 * c-lex.c (init_parse): Constify parameter and return value.
2739 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2740 * c-tree.h: Update prototypes.
2741 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2742 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2743 objc/objc-parse.c: Regenerate.
2745 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2746 * dwarfout.h: Update prototypes.
2747 * expr.c (expand_expr): Constify a local char *.
2748 * flags.h: Constify main_input_filename.
2749 * function.c (expand_function_end): Constify filename parameter.
2750 * genrecog.c (make_insn_sequence): Use a character array for
2752 (main): Remove unused variables.
2753 * input.h: Constify input_filename, main_input_filename, and
2754 file_stack.name. Update prototypes.
2755 * output.h: Declare first_global_object_name and
2756 weak_global_object_name here, as const char *.
2757 * stmt.c (expand_asm_operands): Constify filename parameter.
2758 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2759 Constify filename parameter.
2760 (input_filename, main_input_filename): Constify.
2761 * toplev.h: Update prototypes.
2762 * tree.c: Include output.h. Don't declare
2763 first_global_object_name or weak_global_object_name. Clean up string
2764 bashing in get_file_function_name_long.
2765 * tree.h (struct tree_decl): Constify filename member.
2766 (input_filename): Constify.
2768 * varasm.c (first_global_object_name, weak_global_object_name):
2770 (assemble_start_function, assemble_variable): Clean up string bashing.
2772 * gcc.c: Constify all spec-related strings initialized,
2773 transitively, from string constants. Constify all strings
2774 and string variables related to multilibs.
2775 (set_spec, read_specs): Cast argument to free to PTR.
2776 (used_arg): Do not modify multilib_matches. Use strncmp plus
2777 length comparison to compare multilib switches.
2778 * genmultilib: Constify everything declared in multilib.h.
2780 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2782 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2785 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2787 * config/avr/avr-protos.h (extra_constraint): change a type of
2788 second argument from char to int to avoid warnings.
2789 (asm_output_byte): Likewise.
2791 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2792 (initial_elimination_offset): Handle elimination from
2793 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2794 (legitimate_address_p): Use MAX_LD_OFFSET.
2795 (legitimize_address): Likewise.
2796 (out_movqi_r_mr): Likewise.
2797 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2798 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2799 (out_movsi_mr_r): Likewise.
2800 (out_movqi_mr_r): Likewise.
2801 (out_movhi_mr_r): Likewise.
2802 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2803 count as CONST_INT != 6.
2804 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2805 shift count is a CONSTANT_P, but not a CONST_INT.
2806 (ashlhi3_out): Coding style modifications.
2807 (ashlsi3_out): Likewise.
2808 (ashrhi3_out): Likewise.
2809 (ashrsi3_out): Likewise.
2810 (lshrhi3_out): Likewise.
2811 (lshrsi3_out): Likewise.
2812 (ashrqi3_out): Generate shift for any known constant count without
2813 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2814 but not a CONST_INT.
2815 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2816 shift count is a CONSTANT_P, but not a CONST_INT.
2817 (extra_constraint): change a type of
2818 second argument from char to int to avoid warnings.
2819 (asm_output_byte): Likewise.
2820 (asm_file_end): Output size generated commands count as a hex
2823 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2825 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2827 (ashlqi3): Values of "length" attribute changed. Shift count
2828 uses constraints 'n' instead of 'i'.
2829 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2830 shifts without clobber register.
2831 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2832 (call_insn): Correct test for which_alternative == 1 (was 0).
2833 (call_value_insn): Likewise.
2835 * config/avr/t-avr: Remove definition of FLOAT while generates
2838 2000-05-09 Bruce Korb <bkorb@gnu.org>
2840 * fixinc/check.tpl: Template for checking fixes
2841 * fixinc/inclhack.def: Added 'test_text' for many fixes
2842 disable hpux8_bogus_inlines on SCO
2843 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2845 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2847 * calls.c (expand_call): Reorganize somewhat in order
2848 to avoid unnecesary recalculation inside loop and make
2849 tail call failure code cleaner.
2851 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2853 * alias.c (nonlocal_reference_p): Minor reformatting.
2854 * reload.c (find_equiv_reg): Simplify logic for
2855 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2856 some some reformatting.
2857 * reload1.c (reload_combine): Don't assume everything in
2858 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2860 2000-05-08 Richard Henderson <rth@cygnus.com>
2862 * final.c (current_insn_predicate): New.
2863 (final_scan_insn): Set it.
2864 * output.h (current_insn_predicate): Declare.
2866 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2867 Attach it to call insns.
2868 (cond_exec_process_if_block): Track probability for true and
2870 (dead_or_predicable): Likewise.
2872 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2873 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2874 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2875 (estimate_probability, expected_value_to_br_prob): Use them.
2877 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2878 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2879 (ia64_expand_prediction): New.
2880 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2881 as needed after calls.
2882 (ia64_epilogue_uses): Mark b0 used.
2883 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2884 (bne_true, bne_false): Remove.
2885 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2886 (br_true, br_false): New. Use predicate_operator and
2887 ia64_expand_prediction.
2888 (return_true, return_false): Likewise.
2889 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2890 (call_internal1, call_value_internal): Likewise.
2891 (call_value_internal1, call_multiple_values_internal1): Likewise.
2893 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2895 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2897 2000-05-08 Richard Henderson <rth@cygnus.com>
2899 * rtlanal.c (may_trap_p): Consider old-style and volatile
2902 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2904 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2906 2000-05-08 Richard Henderson <rth@cygnus.com>
2908 * config/ia64/ia64.h (predicate_operator): Declare.
2910 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2913 * gensupport.c (process_rtx): Copy and post-process each member
2914 of the define_insn rtvec individually.
2916 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2918 * cpplex.c (spell_token): New function.
2919 (TOKEN_LEN): Add 1 for whitespace.
2920 (_cpp_lex_file): Update to use spell_token.
2921 * cpplib.h (E): Remove.
2922 (TTYPE_TABLE): Update CPP_VSPACE entry.
2924 2000-05-08 Richard Henderson <rth@cygnus.com>
2926 * flow.c (init_propagate_block_info): Watch out for conditional
2927 branch to next instruction, and thus one outgoing edge.
2929 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2930 for global register variables; don't special case __[CD]TOR_LIST__;
2931 mind ggc_p for string allocation.
2933 2000-05-08 Nick Clifton <nickc@cygnus.com>
2935 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2937 2000-05-08 Bruce Korb <bkorb@gnu.org>
2939 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2940 i?86-*-msdosdjgpp* no longer uses fixincludes
2941 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2942 * fixinc/inclhack.sh: deleted
2943 * fixinc/hackshell.tpl: deleted
2944 * fixinc/inclhack.tpl: deleted
2945 * fixinc/Makefile.in: Remove dependencies on above
2946 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2948 2000-05-08 Andreas Jaeger <aj@suse.de>
2950 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2953 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2955 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2958 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2960 * cpplex.c: Move new lexer definitions and prototypes
2961 to top. Conditional include these and the code if
2962 NEW_LEXER is defined. Rename functions whose names
2963 clash if this code included.
2965 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2967 * rtl.def (COND_EXEC): Clarify.
2969 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2970 same fashion as zero_extendsidi2.
2972 2000-05-06 Richard Henderson <rth@cygnus.com>
2974 * config/ia64/ia64.c (predicate_operator): New.
2975 (ia64_print_operand): Handle 'J'.
2976 (rtx_needs_barrier): Handle COND_EXEC.
2977 * config/ia64/ia64.h (BRANCH_COST): Define.
2978 (PREDICATE_CODES): Update.
2979 * config/ia64/ia64.md: Docuement used unspec values.
2980 (attr predicable): New.
2981 (movxf, movxf_internal): New.
2982 (extendsfdf2): Don't comment out nop.
2983 (floatdidf2): Remove.
2984 (truncxfsf2, truncxfdf2, floatdixf2): New.
2985 (abssi2, absdi2): Put the neg in the "true" slot.
2986 (conditional branch instructions): Mark not predicable.
2987 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2988 (abs*_internal): Likewise.
2989 (alloc, set_bsp): Mark not predicable.
2990 (barrier, insn_group_barrier, flush_cache): Likewise.
2991 (define_cond_exec): New.
2993 2000-05-06 Richard Henderson <rth@cygnus.com>
2995 * c-decl.c: Include "tm_p.h".
2997 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2998 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2999 (ia64_expand_op_and_fetch): Declare.
3000 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
3001 (setjmp_operand): Constify variables for XSTR.
3002 (ia64_encode_section_info): Likewise.
3003 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
3005 (ia64_asm_output_external): Constify name.
3006 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
3007 (process_for_unwind_directive): Provide switch default.
3008 (ia64_expand_compare_and_swap): Remove unused variables.
3009 (ia64_expand_builtin): Likewise.
3010 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
3013 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
3014 (symbolic_operand, function_operand, setjmp_operand): Likewise.
3015 (shift_count_operand, shift_32bit_count_operand): Likewise.
3016 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
3017 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
3018 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
3019 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
3020 (ia64_expand_builtin): Likewise.
3021 (call_multiple_values_operation): Make dest_regno unsigned.
3023 2000-05-06 Richard Henderson <rth@cygnus.com>
3025 * rtl.def (DEFINE_COND_EXEC): New.
3026 * md.texi: Document it.
3028 * gensupport.c (input_file): Remove.
3029 (struct queue_elem): Add lineno.
3030 (rtx_ready_queue): Remove.
3032 (predicable_default): New.
3033 (predicable_true, predicable_false): New.
3034 (define_attr_queue, define_attr_tail): New.
3035 (define_insn_queue, define_insn_tail): New.
3036 (define_cond_exec_queue, define_cond_exec_tail): New.
3037 (other_queue, other_tail): New.
3038 (queue_pattern): New.
3039 (process_rtx): Add patterns to the appropriate queues.
3040 (is_predicable, identify_predicable_attribute): New.
3041 (n_alternatives, collect_insn_data): New.
3042 (alter_predicate_for_insn, alter_test_for_insn): New.
3043 (shift_output_template, alter_output_for_insn): New.
3044 (process_one_cond_exec, process_define_cond_exec): New.
3045 (init_md_reader): Read the entire file. Process define_cond_exec.
3046 (read_md_rtx): Return elements from the queues.
3048 2000-05-06 Richard Henderson <rth@cygnus.com>
3050 * flow.c (mark_set_1): Don't update conditional life info
3051 if the register is not_dead.
3053 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3055 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
3056 (mostlyclean): Also delete fixincl, fixinc.sh, and
3057 specs.ready, and make clean in the fixinc subdir.
3059 2000-05-06 Richard Henderson <rth@cygnus.com>
3061 * Makefile.in (gensupport.o): Compile for the host.
3062 (host-prefix gensuuprt.o): Remove.
3063 (genflags.o): Depend on gensupport.h and OBSTACK_H.
3064 (genattrtab.o): Likewise.
3065 (gencodes.o): Depend on gensupport.h.
3066 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
3067 (genpeep.o, genattr.o, genoutput.o): Likewise.
3069 * gensupport.c (obstack, rtl_obstack): New.
3070 (init_md_reader): Initialize rtl_obstack.
3071 * gensupport.h (rtl_obstack): Declare.
3072 (message_with_line): Declare.
3074 * genattr.c: Remove all traces of obstack manipulation.
3075 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3076 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3078 * genattrtab.c (obstack, rtl_obstack): Remove.
3079 (main): Don't init rtl_obstack.
3080 * genflags.c: Likewise.
3082 * genrecog.c (message_with_line): Move ...
3083 * gensupport.c: ... here.
3085 2000-05-06 Richard Henderson <rth@cygnus.com>
3087 * c-typeck.c (build_c_cast): Remove dead code.
3089 2000-05-06 Richard Henderson <rth@cygnus.com>
3091 * flow.c (split_edge): Don't allocate global_live_at_start for
3092 the new block unless the old blocks had them as well.
3094 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
3096 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
3097 test_bb if a or b uses x.
3099 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3101 * cpphash.h: Remove conditional #define of __extension__.
3102 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
3103 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
3104 (ENABLE_RTL_CHECKING only).
3105 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
3106 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
3107 (ENABLE_TREE_CHECKING only).
3108 * varray.h: Add __extension__ to VARRAY_CHECK macro
3109 (ENABLE_CHECKING only).
3111 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3113 Use new tail-calling mechanism on ARM.
3114 * arm.md (sibcall, sibcall_value): New expands.
3115 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
3116 (tailcalling peepholes): Delete.
3117 (push_multi): Simplify.
3118 * arm.c (lr_save_eliminated): Delete definition.
3119 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
3120 (output_return_instruction): Remove checks on lr_save_eliminated.
3121 (output_arm_prologue): Remove old tail-calling code.
3122 (arm_output_epilogue): New parameter, really_return. All callers
3123 changed. Handle tail-calling epilogues.
3124 * arm.h (lr_save_eliminated): Delete declaration.
3125 (frame_pointer_needed): Delete declaration.
3126 * arm-protos.h (arm_output_epilogue): Adjust prototype.
3128 * arm.md (is_thumb): Examine symbol thumb_code, not expression
3130 * arm.c (thumb_code): Define it.
3131 (arm_override_options): Set it.
3132 * arm.h (thumb_code): Declare it.
3134 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3136 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
3138 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3140 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
3141 bogus clobber to insns.
3142 (load_multiple_operation, store_mulitple_operation): Don't check
3144 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
3146 * arm.md (and_scc, ior_scc): Add missing mode.
3148 * arm.md (call_value_symbol): Remove predicate from op2.
3150 * arm.h (SPECIAL_MODE_PREDICATES): Define.
3152 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3154 * expr.c (get_subtarget): New function.
3155 (force_operand, expand_expr, do_store_flag): Use it.
3157 * toplev.c (compile_file): Don't take strlen of NAME if null.
3159 2000-05-06 David Edelsohn <edelsohn@gnu.org>
3161 * xcoffout.c (xcoff_current_include_file,
3162 xcoff_current_function_file, xcoff_lastfile): Constify char *.
3163 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
3165 (xcoffout_declare_function): Make name 'const char *'.
3166 (xcoffout_end_epilogue): Make fname 'const char *'
3167 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
3168 xcoffout_declare_function, xcoffout_source_line): Match above.
3170 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3172 * rs6000.c (print_operand): Fix lossage typo.
3173 (output_cbranch): Remove "cr" decoration for now.
3174 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3176 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3178 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3181 2000-05-05 Bruce Korb <bkorb@gnu.org>
3183 * fixinc/genfixes: Improve the matching for make target names
3185 2000-05-05 Catherine Moore <clm@cygnus.com>
3187 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3188 attribute to the decl.
3189 * c-decl.c (pushdecl): Propagate the USED attribute to the
3192 2000-05-05 Richard Henderson <rth@cygnus.com>
3194 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3195 same way emit_group_load does.
3197 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3199 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3201 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3204 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3206 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3208 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3210 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3211 to support -shared, on platforms with dynamic libraries.
3213 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3215 * system.h (S_ISBLK): Provide fallback definition.
3217 2000-05-05 Geoff Berry <geoffb@bops.com>
3219 * extend.texi (Extended Asm): Document inability to give asm
3220 statements access to condition codes.
3222 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3224 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3225 as arg 2 of UNIQUE_SECTION.
3227 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3229 * predict.c: Remove May 4 change.
3230 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3231 if we have predicted the branch at 50-50 probability.
3233 2000-05-05 Richard Henderson <rth@cygnus.com>
3235 * flow.c (init_propagate_block_info): Fix merge error
3236 in HAVE_conditional_execution code.
3238 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3240 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3241 shift cycle for unknown shift count. Also generates dec + brpl.
3242 (ashlqi3_out): Don't generate dec + brpl which now generates by
3243 `out_shift_with_cnt'.
3244 (ashlhi3_out): Likewise.
3245 (ashlsi3_out): Likewise.
3246 (ashrqi3_out): Likewise.
3247 (ashrhi3_out): Likewise.
3248 (ashrsi3_out): Likewise.
3249 (lshrqi3_out): Likewise.
3250 (lshrhi3_out): Likewise.
3251 (lshrsi3_out): Likewise.
3253 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3255 * gcc.c (free_split_directories): Correct typo in explanation
3256 of make_relative_prefix.
3258 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3260 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3261 comparison codes to branch_comparison_operator.
3263 2000-05-04 Richard Henderson <rth@cygnus.com>
3265 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3267 2000-05-04 Richard Henderson <rth@cygnus.com>
3269 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3270 (DPBIT_FUNCS): Remove _sf_to_usi.
3271 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3273 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3274 between condition and jump.
3276 * libgcc2.c (near eh_context_specific): Comment #endif string.
3277 * longlong.h: Don't use strings with embedded newlines.
3279 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3281 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3282 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3283 (print_operand): Delete %t and %T codes.
3284 (output_cbranch): New function. Support branch prediction.
3285 * config/rs6000/rs6000.md: Use output_cbranch for
3286 conditional branches and returns.
3288 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3290 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3291 * stor-layout.c (place_field): Likewise.
3292 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3293 * expr.c (store_expr): Make align unsigned.
3294 * explow.c (plus_constant_wide): Make low words unsigned.
3295 * expmed.c (choose_multiplier): Likewise.
3296 * fold-const.c (fold): Likewise.
3297 * tree.h (build_int_2): Likewise.
3298 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3299 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3300 (init_emit): Change cast to unsigned char*.
3301 * varasm.c (compare_constant_1): Add cast to char*.
3302 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3303 * reload1.c (reload): Likewise.
3305 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3307 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3309 * predict.c (estimate_probability): If no prediction was found, then
3310 predict the successor that is the next physical block (if such a
3313 2000-05-04 Richard Henderson <rth@cygnus.com>
3315 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3317 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3319 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3321 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3323 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3324 attribute macros from here ...
3325 (CPP_SPEC): to here.
3326 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3327 (CPP_SPEC): Likewise.
3328 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3330 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3331 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3333 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3335 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3337 * diagnostic (vbuild_message_string, build_message_string,
3338 build_location_prefix, output_get_prefix, init_output_buffer,
3339 output_notice, vline_wrapper_message_with_location,
3340 v_message_with_decl, default_print_error_function): De-constify.
3341 (set_real_maximum_length): Prototype.
3343 * diagnostic.h (struct output_buffer, init_output_buffer,
3344 output_get_prefix, output_set_prefix): De-constify.
3346 * function.c (init_function_start): Constify.
3348 * gensupport.c (remove_constraints, process_rtx): Prototype.
3350 * gthr-posix.h: Indent uses of #pragma.
3352 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3355 * predict.c (find_expected_value): Delete prototype.
3356 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3358 * sbitmap.h (debug_sbitmap): Prototype.
3360 * ssa.c (compute_coalesced_reg_partition): Prototype.
3362 * stor-layout.c (debug_rli): Prototype.
3364 * tree.h (round_down): Prototype.
3365 (init_function_start): Constify.
3367 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3369 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3370 (overly conservative). Change extern inline wrappers to
3371 static inline, define them always, use PARAMS properly.
3372 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3373 whitespace warnings for \f and \v at the beginning of a line.
3375 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3377 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3380 2000-05-04 Bruce Korb <bkorb@gnu.org>
3382 * fixincl/inclhack.def: added broken_cabs -
3383 Remove `extern double cabs' declarations from math.h
3384 * fixincl/inclhack.sh: regen
3385 * fixincl/fixincl.x: regen
3386 * fixincl/fixincl.c: Remove BOGOSITY code
3387 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3389 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3391 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3393 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3394 when calling MEM_COPY_ATTRIBUTES.
3395 * emit-rtl.c (operand_subword, change_address): Likewise.
3396 * explow.c (stabilize): Likewise.
3397 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3398 * integrate.c (copy_rtx_and_substitute): Likewise.
3399 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3400 when calling MEM_COPY_ATTRIBUTES.
3401 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3403 * cse.c (gen_lowpart_if_possible): Likewise.
3404 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3405 * optabs.c (gen_move_insn): Likewise.
3406 * recog.c (validate_replace_rtx_1): Likewise.
3407 * simplify-rtx.c (add_mem_for_addr): Likewise.
3408 * stmt.c (expand_anon_union_decl): Likewise.
3409 * config/arm/arm.md: Likewise.
3410 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3411 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3412 (block_move_no_loop, block_move_sequence): Likewise.
3413 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3414 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3415 Clear MEM_ALIAS_SET.
3416 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3417 MEM_COPY_ATTRIBUTES.
3419 2000-05-03 Robert Lipe <robertlipe@usa.net>
3421 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3422 to suppress libgcc1.
3423 (i[34567]86-*-sco3.2v5*) Likewise.
3424 (i[34567]86-*-sco3.2v4*) Likewise.
3425 (i[34567]86-*-sco) Likewise.
3426 (i[34567]86-*-solaris2) Likewise.
3427 (i[34567]86-*-sysv5*) Likewise.
3428 (i[34567]86-*-sysv4*) Likewise.
3429 (i[34567]86-*-udk*) Likewise.
3430 (i[34567]86-*-sysv*) Likewise.
3432 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3434 * cpphash.h (U): New define, to correct type of string constants.
3435 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3436 routines, to do casts when passing unsigned strings to libc.
3437 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3439 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3440 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3441 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3442 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3443 second argument an U_CHAR *.
3445 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3446 length field, clean up initializer.
3447 (ISTABLE): Add __extension__ to designated-
3448 initializers version.
3449 * cpplex.c (CHARTAB): Likewise.
3451 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3452 case so the file won't be empty.
3454 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3456 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3457 (REORDER_BLOCK_SUCC): Removed.
3458 (enum reorder_skip_type): Removed.
3459 (skip_insns_between_block): Renamed to skip_insns_after_block.
3460 Removed second argument. Removed dead code and cleaned up.
3461 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3462 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3463 second parameter to skip_insns_after_block.
3465 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3467 * tree.c (staticp, case LABEL_DECL): New case.
3469 2000-05-03 Richard Henderson <rth@cygnus.com>
3471 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3473 * mklibgcc1.in: Fix typo last change.
3475 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3477 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3478 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3479 (GCC_CFLAGS): Use it.
3480 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3481 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3482 objc/Make-lang.in: Use it.
3484 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3486 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3488 2000-05-03 Richard Henderson <rth@cygnus.com>
3490 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3491 LIBGCC1 empty with libgcc1.null.
3493 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3495 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3498 2000-05-03 Greg McGary <gkm@gnu.org>
3500 * tree.h (tree_common): Add bounded_flag member. Remove
3501 inaccurate comment about number of remaining bits.
3502 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3503 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3504 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3505 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3506 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3507 (TYPE_QUAL_BOUNDED): New constant.
3508 (TYPE_QUALS): Handle bounded qualifier.
3509 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3510 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3511 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3512 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3513 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3514 (tree_type): Add pointer_depth member. Remove
3515 inaccurate comment about number of remaining bits.
3516 (DECL_POINTER_DEPTH): Add macro.
3517 (tree_decl): Add pointer_depth member.
3519 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3521 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3522 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3523 (lshrhi3_out): Likewise.
3524 (ashrsi3_out): bugfix in shift by 8.
3525 (test_hard_reg_class): New function.
3526 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3527 (ashlhi3): removed define_expand of this pattern.
3528 (*ashlhi3_insn): renamed to ashlhi3.
3529 (ashlsi3): removed define_expand of this pattern.
3530 (*ashlsi3_insn): renamed to ashlsi3.
3531 (ashrqi3): removed define_expand of this pattern.
3532 (*ashrqi3_insn): renamed to ashrqi3.
3533 (ashrhi3): removed define_expand of this pattern.
3534 (*ashrhi3_insn): renamed to ashrhi3.
3535 (ashrsi3): removed define_expand of this pattern.
3536 (*ashrsi3_insn): renamed to ashrsi3.
3537 (lshrhi3): removed define_expand of this pattern.
3538 (*lshrhi3_insn): renamed to lshrhi3.
3539 (lshrsi3): removed define_expand of this pattern.
3540 (*lshrsi3_insn): renamed to lshrsi3.
3542 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3544 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3545 inclusion of "system.h".
3547 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3549 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3552 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3554 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3555 if -mauto-pic is on.
3556 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3557 -mconstant-gp is in effect and function-descriptors are being used
3558 to make indirect calls.
3559 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3560 (MASK_AUTO_PIC): Ditto.
3561 (TARGET_CONST_GP): Ditto.
3562 (TARGET_AUTO_PIC): Ditto.
3563 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3564 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3565 -mno-pic is in effect.
3566 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3567 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3568 -mauto-pic is in effect.
3569 (gprel64_offset): New pattern.
3570 (load_gprel64): Ditto.
3571 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3572 -mconstant-gp is in effect, no need to preserve gp around direct
3574 (call_value): Ditto.
3575 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3576 (FUNCTION_PROFILER): Define.
3577 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3578 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3579 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3581 2000-05-03 Richard Henderson <rth@cygnus.com>
3583 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3584 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3585 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3586 (mklibgcc, libgcc.mk): New targets.
3587 (libgcc.a): Use libgcc.mk.
3588 (stmp-multilib): Likewise.
3589 (stmp-multilib-sub): Remove.
3590 (mostlyclean): Don't delete libgcc2 temp files.
3591 * configure.in (AC_PROG_CC_C_O): Add.
3592 (NO_MINUS_C_MINUS_O): Substitute it.
3593 (all_outputs): Add mklibgcc.
3594 * mklibgcc.in: New file.
3596 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3598 * cppexp.c (op_t): Make an int.
3600 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3602 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3604 * gensupport.c (process_rtx): Fix macros used.
3606 2000-05-03 Richard Henderson <rth@cygnus.com>
3608 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3609 call-clobbered registers of a call.
3611 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3613 * gensupport.c: New file.
3614 * gensupport.h: New file.
3615 * Makefile.in (HOST_RTL): Depend on gensupport.
3616 (gensupport.o) New rule.
3617 * genattr.c: Use gensupport for reading .md files.
3618 * genattrtab.c: Ditto.
3619 * gencodes.c: Ditto.
3620 * genconfig.c: Ditto.
3622 * genextract.c: Ditto.
3623 * genflags.c: Ditto.
3624 * genopinit.c: Ditto.
3625 * genoutput.c: Ditto.
3627 * genrecog.c: Ditto.
3628 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3629 * md.texi (Insn Splitting): Document define_insn_and_split.
3631 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3633 * flow.c (verify_flow_info): Added two more sanity checks. The
3634 first checks that the blocks are numbered consecutively. The second
3635 checks that n_basic_blocks is actually equal to the number of
3636 basic blocks in the insn chain.
3638 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3640 * cpplib.h: Add accessor macros for token lists.
3641 * cpplib.c, cpphash.c, cpplex.c: Use them.
3643 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3645 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3646 memory usage if not in a function.
3647 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3648 return address if static.
3650 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3652 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3653 whether address may trap.
3655 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3657 * bb-reorder (chain_reorder_blocks): Changed code to test for
3658 EDGE_FALLTHRU rather than making erroneous assumption that the
3659 first outgoing edge is the fall-through edge.
3661 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3663 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3664 ABI for varargs, across all MIPS. This is incompatible because the
3665 va_list (__builtin_va_list) structure is different, so a compilation
3666 unit passing a va_list and a compilation unit being passed one, should
3667 both be compiled with the same ABI. (The old structure had two
3668 pointers, now it has three.)
3670 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3672 * bb-reorder.c (struct reorder_block_def): Remove members end,
3673 block_begin, and block_end.
3674 (REORDER_BLOCK_OLD_END): Delete.
3675 (REORDER_BLOCK_BEGIN): Delete.
3676 (REORDER_BLOCK_END): Delete.
3677 (chain_reorder_blocks): Remove dead code.
3679 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3681 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3682 notes as the end of a basic block before deleting.
3684 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3686 * final.c (final_start_function): Fix spelling of "necessary".
3688 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3690 * toplev.c (debug_ignore_block): Return int.
3691 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3692 * toplev.h, dwarf2out.h: Adjust.
3693 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3695 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3696 * toplev.c, final.c, rtl.h: Adjust.
3698 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3700 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3701 * configure.in: Look for makeinfo in the unified tree, then
3702 for a system makeinfo which is sufficiently new.
3703 * Makefile.in: If configure says makeinfo is too old, don't
3704 build or install Info documentation.
3706 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3708 * cpphash.c (collect_params): Fix off-by-one error.
3709 (dump_hash_helper): Dump all four macro nodetypes.
3711 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3713 * cpphash.c (trad_stringify): Adjust p after stringification as
3716 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3718 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3719 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3721 * cppfiles.c (file_cleanup): Delete.
3722 * cpphash.c (macro_cleanup): Delete.
3723 (collect_objlike_expansion, collect_funlike_expansion,
3724 macarg, scan_arguments): Remove CPP_POP case.
3726 * cpplex.c (null_cleanup): Delete.
3727 (cpp_pop_buffer): Do the work that was done in the cleanups
3728 here. Call _cpp_unwind_if_stack from here.
3729 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3730 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3731 stack is the buffer _below_ the one we stacked.
3732 (cpp_get_token): Always pop an exhausted buffer. Return
3733 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3734 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3735 increment the line number.
3736 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3738 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3739 we see CPP_EOF and the top of stack is the buffer _below_ the
3741 * scan-decls.c: Likewise.
3743 2000-05-02 Andrew Haley <aph@cygnus.com>
3745 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3746 where this function is called for the second time on a decl that
3747 has had its section info changed in such a way as to move it out
3749 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3751 2000-05-01 Richard Henderson <rth@cygnus.com>
3753 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3754 the sequence we're moving, not to merge_bb->head.
3756 2000-05-01 Richard Henderson <rth@cygnus.com>
3758 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3759 reference to alpha/t-linux.
3760 (alpha*-*-linux-gnu*): Likewise.
3761 * configure: Rebuild.
3763 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3765 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3768 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3770 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3772 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3775 2000-05-01 Richard Henderson <rth@cygnus.com>
3777 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3778 emit_conditional_move.
3780 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3782 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3783 as the dynamic linker.
3785 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3787 * cppfiles.c (open_include_file): Open file in blocking mode.
3788 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3789 Only exclude block devices and directories.
3791 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3792 static. Allocate the hashnode and its string in the same
3794 (del_HASHNODE): Don't free h->name.
3795 (_cpp_lookup): If there is no entry for this string, create
3796 one, of type T_VOID.
3797 (_cpp_lookup_slot): Delete.
3798 * cpphash.h: Update prototypes.
3800 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3802 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3803 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3804 node here, just fill in the value field properly. "Delete"
3805 entries by setting the value field to T_VOID. Check for
3806 hp->type == T_VOID, not hp == NULL.
3808 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3809 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3812 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3814 * config/mn10300/mn10300.c (print_operand_address): Do not add
3817 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3818 adjusted by less than 256 bytes, use ret regardless of having any
3819 callee-saved register to restore.
3821 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3823 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3825 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3827 * config/i386/djgpp.h (INT_ASM_OP): Define.
3828 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3829 (ASM_WEAKEN_LABEL): Define.
3830 (MASK_BNU210): Define.
3831 (SUBTARGET_SWITCHES): Define.
3832 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3833 (MAKE_DECL_ONE_ONLY): Define.
3834 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3836 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3838 * i386/cygwin.h (INT_ASM_OP): Define.
3840 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3842 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3843 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3845 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3847 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3848 __tmp_reg__ and __zero_reg__ initialization.
3850 2000-04-30 Richard Henderson <rth@cygnus.com>
3852 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3854 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3855 referenced bewteen the condition and the jump. Don't delete
3856 anything but the jump.
3858 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3860 * bb-reorder.c (scope_def): New struct.
3861 (scope_forest_info): New struct.
3862 (struct reorder_block_def): New member "scope".
3863 (REORDER_BLOCK_SCOPE): New macro.
3864 (relate_bbs_with_scopes): New function and prototype.
3865 (make_new_scope): Likewise.
3866 (build_scope_forest): Likewise.
3867 (remove_scope_notes): Likewise.
3868 (insert_intra_1): Likewise.
3869 (insert_intra_bb_scope_notes): Likewise.
3870 (insert_inter_bb_scope_notes): Likewise.
3871 (rebuild_scope_notes): Likewise.
3872 (free_scope_forest_1): Likewise.
3873 (free_scope_forest): Likewise.
3874 (dump_scope_forest): Likewise.
3875 (dump_scope_forest_1): Likewise.
3876 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3877 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3879 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3880 and remove_scope_notes before reordering is done. Added calls to
3881 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3882 after reordering is done.
3884 2000-40-30 Bruce Korb <bkorb@gnu.org>
3886 * fixinc/inclhack.def: Added definitions needed by OSR5,
3887 removed two stale entries (defined away with OLD_CPP).
3888 * fixinc/inclhack.sh: regen
3889 * fixinc/fixincl.x: regen
3891 2000-04-30 Richard Henderson <rth@cygnus.com>
3893 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3894 from the last insn in the sequence.
3896 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3898 * cpplex.c (cpp_idcmp): New function.
3899 * cpplib.h: Prototype it.
3900 * scan_decls.c (scan_decls): Use it to inspect token names.
3901 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3902 the file being run through the preprocessor.
3903 (check_macro_names): Provide length of token to cpp_defined.
3905 * Makefile.in: Remove stale warning message.
3907 * cppfiles.c (redundant_include_p): Provide length of token to
3909 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3910 values are unsigned int.
3911 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3912 (_cpp_lookup_slot): Do not calculate the hash, either.
3913 * cpphash.h: Update prototypes.
3914 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3915 Hashes are unsigned int. Calculate hash here, pass by value
3916 to _cpp_lookup_slot.
3918 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3920 * simplify-rtx.c (check_value_useless): Delete function.
3921 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3923 (cselib_invalidate_regno): Likewise.
3924 (cselib_invalidate_mem_1): Likewise.
3925 (references_value_p): Recognize useless values by the fact that they
3927 (discard_useless_values): Likewise.
3928 (cselib_record_set): This may turn a useless value
3931 2000-04-30 Richard Henderson <rth@cygnus.com>
3933 * config/d30v: New port.
3935 * configure.in (d30v-*): Set fp format.
3936 * configure: Rebuild.
3938 2000-04-30 Richard Henderson <rth@cygnus.com>
3940 * ifcvt.c: New file.
3941 * Makefile.in (OBJS): Add it.
3942 (ifcvt.o): New target.
3943 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3944 and conditional arithmetic.
3945 (find_insert_position): Remove.
3946 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3947 * toplev.c (DFI_ce, DFI_ce2): New.
3948 (dump_file): Add ce and ce2 dumps.
3949 (rest_of_compilation): Run if_convert a couple o times. Set
3950 cse_not_expected after cse2. Don't set no_new_pseudos until
3951 after sched1 or recompute_reg_usage.
3953 2000-04-30 Richard Henderson <rth@cygnus.com>
3955 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3956 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3958 2000-04-30 Richard Henderson <rth@cygnus.com>
3960 * flow.c (struct reg_cond_life_info): New.
3961 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3962 (init_propagate_block_info): Initialize them.
3963 (free_propagate_block_info): Destruct them.
3964 (mark_set_1): Consider conditional life before killing a register.
3965 (mark_regno_cond_dead): New.
3966 (free_reg_cond_life_info): New.
3967 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3968 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3969 (mark_used_reg): Record conditional life.
3971 * haifa-sched.c (schedule_insns): Disable death counting
3972 sanity check for HAVE_conditional_execution.
3974 2000-04-30 Richard Henderson <rth@cygnus.com>
3976 * Makefile.in (TIMEVAR_H): New.
3977 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3978 (timevar.h): Remove rule.
3980 2000-04-29 Richard Henderson <rth@cygnus.com>
3982 * config/alpha/crtend.asm: Use C comments instead of #.
3983 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3985 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3987 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3989 * cpphash.h (enum node_type: Take out T_MCONST.
3990 (union hashval): Move into struct hashnode.
3991 (struct hashnode): Pack tighter. Remove file, line, col
3993 * cpphash.c: Constify most of the macro-definition structures.
3994 (struct definition): Replace by struct object_defn
3995 and struct funct_defn. Put file, line, column information
3996 here. All users updated to match.
3997 (_cpp_create_definition, _cpp_macroexpand): Remove special
3998 case for #define WORD OTHERWORD.
3999 * cpplib.c (do_undef): Remove T_MCONST case.
4001 * cpphash.h: Move struct reflist, struct definition, and the
4002 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
4003 union hashval. _cpp_free_definition takes a HASHNODE pointer.
4004 * cpphash.c (_cpp_free_definition): Free data pointed to by
4005 MCONST, XCONST, MACRO, and FMACRO nodes properly.
4006 (_cpp_create_definition, del_HASHNODE): Just call
4007 _cpp_free_definition to clear out a hashnode.
4008 * cpplib.c (do_pragma_poison): Likewise.
4010 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4012 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
4013 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
4014 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
4015 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
4016 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
4017 REGNO_AM33_P): Redefine in terms of the new macros.
4018 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
4019 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4020 STRUCT_VALUE): Likewise.
4021 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4022 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
4024 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
4026 * regmove.c (struct record_stack_memrefs_data): New.
4027 (record_stack_memrefs): New function.
4028 (combine_stack_adjustments_for_block): Use it.
4030 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4032 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
4033 use special_function_p to detect alloca.
4035 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
4037 * gcc.texi: Fixes for makeinfo 4.0 --html.
4039 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
4041 * pcp.h: Delete file.
4043 2000-04-28 Kazu Hirata <kazu@hxi.com>
4045 * h8300.c (function_epilogue): Clean up flags when the last insn
4046 in a function is a barrier.
4048 2000-04-28 Chris Demetriou <cgd@sibyte.com>
4050 * configure.in (sparc-hal-solaris2*): protect [] glob from
4052 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
4053 rather than hard-coded constants in target_cpu_default2.
4054 * configure: Regenerate.
4056 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4058 * tree.c (get_callee_fndecl): Extract the initial value from
4061 2000-04-28 Richard Henderson <rth@cygnus.com>
4063 * varasm.c (record_constant_1): Record the CODE_LABEL when
4064 taking the address of a LABEL_REF.
4066 2000-04-28 Richard Henderson <rth@cygnus.com>
4067 Jan Hubicka <jh@suse.cz>
4069 * calls.c (combine_pending_stack_adjustment_and_call): Return the
4070 adjustment; don't do the stack adjust.
4071 (expand_call): Call compute_argument_block_size right before
4072 allocating the block; update comment; don't do alignment sanity
4073 checking for sibling call; use args_size instead of
4074 unadjusted_args_size before args_size is adjusted. Use
4075 combine_pending_stack_adjustment_and_call to compute stack adjust
4076 for must_preallocate case.
4078 * expr.c (push_block): Remove shadow `temp' in inner scope.
4080 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4082 * toplev.c (rest_of_compilation): Call
4083 note_deferral_of_defined_inline_function even if the function
4086 2000-04-28 Scott Bambrough <scottb@netwinder.org>
4088 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
4090 2000-04-28 Richard Henderson <rth@cygnus.com>
4092 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
4094 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4096 * timevar.c (init_timevar): DeANSIfy function definition.
4098 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4100 * Makefile.in (timevar.o): Depend on flags.h.
4101 * timevar.c (unused_stack_instances): New variable.
4102 (timevar_push): Take a timevar_stack_def from
4103 unused_stack_instances if available.
4104 (timevar_pop): Push the popped timevar_stack_def onto
4105 unused_stack_instances.
4106 (TIMEVAR_ENABLE): New macro.
4107 (timevar_def): Make standalone a 1-bit field. Add field used.
4108 (get_time): Rename parameter to now. Return after clearing it if
4110 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
4111 (timevar_pop): Likewise.
4112 (timevar_stop): Likewise.
4113 (timevar_push): Likewise. Mark the timing variable as used.
4114 (timevar_start): Likewise.
4115 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
4116 timevars that were never used.
4118 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4120 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
4121 always TREE_READONLY.
4123 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
4125 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
4126 for call instruction with mode QImode.
4128 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4130 * Makefile.in (OBJS): Add timevar.o.
4131 (toplev.o): Depend on timevar.h.
4132 (ggc-simple.o): Likewise.
4133 (ggc-page.o): Likewise.
4134 (timevar.o): New rule.
4135 (timevar.h): New rule.
4137 * timevar.h: New file.
4138 * timevar.c: Likewise.
4139 * timevar.def: Likewise.
4141 * toplev.h (gc_time, parse_time, varconst_time): Remove.
4142 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
4144 (TIMEVAR): Remove macro.
4145 (gc_time, parse_time, varconst_time, integration_time, jump_time,
4146 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
4147 flow_time, combine_time, regmove_time, sched_time,
4148 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
4149 sched2_time, dbr_sched_time, reorder_blocks_time,
4150 rename_registers_time, shorten_branch_time, stack_reg_time,
4151 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
4153 (compile_file): Don't initialize time variables. Call
4154 init_timevar and start TV_TOTAL timer. Call timevar_print instead
4155 of many calls to print_time.
4156 (rest_of_compilation): Add timing for reload_cse_regs.
4157 (get_run_time): Removed to timevar.c.
4158 (print_time): Likewise.
4159 (get_run_time): Implement using TV_TOTAL time variable.
4160 (print_time): Get total run time from get_run_time.
4161 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
4162 computing elapsed time explicitly.
4163 * ggc-simple.c (ggc_collect): Likewise.
4164 (gc_time): Remove declaration.
4166 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4168 * calls.c (combine_pending_stack_adjustment_and_call): New function.
4169 (expand_call): Use it.
4171 2000-04-27 Jan Hubicka <jh@suse.cz>
4173 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4176 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4178 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4181 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4183 * function.c (epilogue_done): Pass whole insn to record_insns.
4185 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4187 * cse.c (CSE_ADDRESS_COST): Remove.
4188 (find_best_addr): Add new parameter "MODE", use address_cost instead
4190 (address_cost): New.
4191 (fold_rtx): Update call of find_best_addr.
4192 * rtl.h (address_cost): Declare.
4193 * loop.c (general_induction_var): Add new parameter "MODE", use
4194 address_cost instead of ADDRESS_COST
4195 (init_loop): Use address_cost instead of ADDRESS_COST.
4196 (check_insn_for_givs): Update call of general_induction_var.
4197 (find_mem_givs): Likewise.
4198 (consec_sets_giv): Likewise.
4199 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4200 * i386.c (ix86_address_cost): New.
4201 * i386-protos.h (ix86_address_cost): Declare.
4203 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4205 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4208 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4210 * expr.c (store_expr): Use clear_storage instead of direct memset
4213 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4215 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4216 ASHIFT, AND and LABEL_REF.
4218 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4220 * invoke.texi (-foptimize-sibling-calls): Fix.
4222 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4224 * loop.c (load_mems) Don't use hard registers for the hoisting.
4226 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4227 calculation; rename const_equiv array in the preconditioning code
4228 from loop_unroll to loop_unroll_precondition
4230 2000-04-27 Richard Henderson <rth@cygnus.com>
4232 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4234 (propagate_one_insn): Clear it. Don't update reg_live here.
4235 (init_propagate_block_info): Update for pbi member changes.
4236 (free_propagate_block_info): Likewise.
4237 (mark_set_1): Know that zero_extract, sign_extract, and
4238 strict_low_part don't kill their argument. Alter hard subregs.
4239 Update new_set for non-CLOBBER sets. Update reg_live.
4240 (find_auto_inc): Update reg_live, not new_dead.
4241 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4242 to determine if the reg in question was set this insn. Only update
4243 reg info with PROP_REG_INFO.
4245 2000-04-26 Richard Henderson <rth@cygnus.com>
4247 * flow.c (allocate_reg_life_data): Set max_regno here ...
4248 (life_analysis): ... not here.
4250 * flow.c (calculate_global_regs_live): Force stack pointer
4253 2000-04-26 Richard Henderson <rth@cygnus.com>
4255 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4256 commit change group changes.
4257 (invert_exp_1): Similarly.
4258 (redirect_exp, invert_exp): Use them.
4259 (redirect_jump_1): New.
4260 (invert_jump_1): New.
4261 (jump_optimize_1): Remove code subsumed by condexec.c.
4262 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4264 2000-04-26 Richard Henderson <rth@cygnus.com>
4266 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4268 * genconfig.c (main): Set all HAVE_foo to 1.
4270 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4272 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4274 * invoke.texi: Document -fssa flag.
4276 2000-04-26 Richard Henderson <rth@cygnus.com>
4278 * flow.c (count_reg_sets_1): Remove.
4279 (count_reg_sets, count_reg_references): Remove.
4280 (recompute_reg_usage): Implement with update_life_info.
4281 Reallocate life data.
4283 2000-04-26 Richard Henderson <rth@cygnus.com>
4285 * flow.c (update_life_info): Consider blocks null to mean the
4287 (calculate_global_regs_live): Likewise.
4288 (life_analysis): Do that instead of collecting all_blocks.
4290 2000-04-26 Richard Henderson <rth@cygnus.com>
4292 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4293 a still-valid conditional jump.
4295 2000-04-26 Richard Henderson <rth@cygnus.com>
4297 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4299 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4300 * flow.c (calculate_loop_depth): Remove.
4301 * output.h (calculate_loop_depth): Don't declare.
4302 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4303 inline; run estimate_probability at the same time.
4305 2000-04-26 Neil Booth <NeilB@earthling.net>
4307 * cpplib.h: "~=" is not a single pp-token.
4308 * cpplex.c: Correct commentary.
4310 2000-04-26 Richard Henderson <rth@cygnus.com>
4312 * flow.c (mark_set_1): New arguments code and flags; update all
4313 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4314 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4315 loop_depth when optimizing for size. Do new_dead update after
4316 emitting REG_UNUSED notes. Merge mark_set_reg code.
4317 (mark_set_reg): Remove.
4318 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4319 arrange to not emit REG_UNUSED notes.
4321 2000-04-26 Richard Henderson <rth@cygnus.com>
4323 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4324 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4326 2000-04-26 Richard Henderson <rth@cygnus.com>
4328 * flow.c (propagate_one_insn): Break out from propagate_block.
4329 (init_propagate_block_info): Likewise.
4330 (free_propagate_block_info): Likewise.
4331 (propagate_block): Use them. Export.
4332 * basic-block.h: Declare them all.
4334 2000-04-26 Richard Henderson <rth@cygnus.com>
4336 * basic-block.h (life_analysis): Declare here ...
4337 * output.h: ... not here.
4338 * flow.c (life_analysis): Remove nregs parameter; replace
4339 remove_dead_code with flags. Remove ssa dead code check.
4340 Only init alias analysis if we'll use it.
4341 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4342 * ssa.c (convert_to_ssa): Likewise.
4343 (convert_from_ssa): Likewise.
4344 * toplev.c (rest_of_compilation): Likewise.
4346 2000-04-26 Richard Henderson <rth@cygnus.com>
4348 * flow.c (flow_delete_block): Rename from delete_block. Export.
4349 * basic-block.h (flow_delete_block): Declare.
4351 2000-04-26 David S. Miller <davem@redhat.com>
4353 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4354 taking a PATTERN of it.
4356 2000-04-26 <NeilB@earthling.net>
4358 * cpplex.c (spell_other, spell_char): Remove.
4360 (token_spelling, trigraph_map): Use unsigned chars.
4361 (_cpp_lex_line): Tidy up the switch statement.
4362 * cpplib.h: Implement spell_char with spell_string.
4365 2000-04-26 <RodneyBrown@pmsc.com>
4367 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4368 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4370 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4372 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4373 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4374 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4375 dwarf2out_return_save, dwarf2out_return_reg,
4376 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4377 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4378 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4380 * dwarf2out.h (dwarf2out_init): Likewise.
4382 * dwarfout.c (filename_entry, primary_filename, last_filename,
4383 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4385 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4386 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4387 dwarf2out_return_reg): Likewise.
4389 2000-04-26 Andreas Jaeger <aj@suse.de>
4391 * extend.texi (Function Attributes): Fix description of pure
4394 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4396 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4397 before calling rest_of_compilation.
4399 2000-04-26 Andreas Jaeger <aj@suse.de>
4401 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4404 2000-04-25 Richard Henderson <rth@cygnus.com>
4406 * cse.c (cse_insn): Emit barrier after unconditional jump.
4408 * calls.c (expand_call): Disable tail call generation once
4409 rtx_equal_function_value_matters is false.
4411 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4414 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4416 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4418 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4420 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4421 is the primary DIE for a member function.
4422 (gen_decl_die): Call set_decl_origin_self here.
4423 * dwarfout.c (output_decl): And here.
4424 * integrate.c (output_inline_function): Not here.
4425 Don't clear DECL_INLINE until after calling rest_of_compilation.
4426 (set_decl_origin_self): No longer static.
4427 * tree.h: Add prototype.
4428 * toplev.c (note_deferral_of_defined_inline_function): Only write
4429 out abstract instance for actual inlines.
4431 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4433 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4434 EXTENDED_REGS only if TARGET_AM33.
4435 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4436 SP_REGS to register allocation and reloading unless absolutely
4438 (movsi3): Remove special-case of adding non-constants to SP.
4440 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4442 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4443 INCLUDES to search and does not provide any of its own. Also it
4444 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4445 parameters. Also it does not call AC_DEFINE.
4446 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4447 AC_DEFINE and provides for automatic entries for autoheader.
4448 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4450 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4451 so we can pass -I flags and include gansidecl.h/system.h in this
4454 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4456 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4458 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4459 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4460 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4462 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4463 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4464 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4465 for these macros. Clean up spacing and linewraps.
4467 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4469 * calls.c (expand_call): Use get_callee_fndecl.
4471 * print-tree.c (print_node): Print the chain of an _EXPR.
4473 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4474 Jim Wilson <wilson@cygnus.com>
4475 Andrew Haley <aph@cygnus.com>
4477 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4478 and gp save/restore problems.
4479 * config/ia64/crtend.asm: Add IA-64 unwind support.
4480 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4481 in fr_pad_size calculation.
4482 (save_restore_insns): Move PR save area. Correct uses of
4483 RTX_FRAME_RELATED_P.
4484 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4485 (ia64_expand_epilogue): Add eh_epilogue support.
4486 (ia64_function_prologue): Emit .prologue directive.
4487 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4488 (ia64_override_options): Set init_machine_status and
4489 mark_machine_status.
4490 (rtx_needs_barrier): Handle bsp reads and writes.
4491 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4492 New static variables.
4493 (process_set, process_for_unwind_directive): New functions.
4494 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4495 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4496 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4498 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4499 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4500 (struct machine_function): Define.
4501 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4503 2000-04-25 Bruce Korb <bkorb@gnu.org>
4505 * fixinc/Makefile.in: make the removal of old programs more
4507 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4508 install-bin and install-sh
4510 2000-04-25 Nick Clifton <nickc@cygnus.com>
4512 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4513 defined, define to return zero.
4514 (function_cannot_inline_p): If a function has any target
4515 specific attributes, then use the macro
4516 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4517 whether it can be inlined. If it cannot, issue a suitable
4520 * tm.texi: Add a new node 'Inlining' to document the new macro
4521 FUNCTION_ATTRIBUTE_INLINABLE_P.
4523 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4525 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4528 2000-04-25 Neil Booth <NeilB@earthling.net>
4530 Restore previous patch, plus the following fixes:
4532 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4533 flags, not CPP_OPEN_PAREN.
4534 * cpplex.c (expand_token_space, init_token_list,
4535 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4536 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4538 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4540 * config/i386/freebsd.h (INT_ASM_OP): Define.
4542 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4544 * loop.c (strength_reduce): Fix typo in the last checkin.
4546 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4548 * stor-layout.c (finalize_record_size): Simplify to use existing
4550 (compute_record_mode): No longer static.
4551 * tree.h (compute_record_mode): New declaration.
4553 2000-04-25 Neil Booth <NeilB@earthling.net>
4555 * Revert my patch below until cause of build failures
4558 2000-04-25 Richard Henderson <rth@cygnus.com>
4560 * combine.c (combine_instructions): Add missing argument
4563 * toplev.c (rest_of_compilation): Delay sibcall optimization
4564 until after emit_eh_context.
4566 2000-04-24 Nick Clifton <nickc@redhat.com>
4568 * combine.c (combine_instructions): Do not try to combine a
4569 sequence of insns when the second insn has been replaced by a
4572 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4574 * gcc.c (load_specs): New static function.
4575 (read_specs): Use it.
4577 * gcc.c (lookup_compiler): Make multiple passes for case
4578 insensitive filesystems.
4580 2000-04-24 Neil Booth <NeilB@earthling.net>
4582 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4583 * cpphash.h (_cpp_check_directive): new.
4584 * cpplex.c (handle_newline, cpp_free_token_list,
4585 init_trigraph_map, trigraph_ok, trigraph_replace,
4586 backslash_start, skip_block_comment, skip_line_comment,
4587 skip_whitespace, parse_name, parse_number, parse_string,
4588 copy_comment, _cpp_lex_line, spell_char, spell_string,
4589 spell_comment, spell_name, spell_other, _cpp_lex_file,
4590 _cpp_output_list): new.
4591 (expand_name_space): take length argument.
4592 (init_token_list): add comment list initialisation.
4593 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4594 instead of HSPACE_BEFORE.
4596 * cpplib.c (_cpp_check_directive): new
4597 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4598 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4599 (HSPACE_BEFORE): delete.
4600 (TTYPE_TABLE): rearrange.
4601 (struct cpp_toklist): update.
4603 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4605 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4606 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4607 argument form of AC_DEFINE.
4609 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4610 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4611 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4612 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4613 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4615 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4617 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4619 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4620 deduced.h): Use -isystem, not -I, for including system headers.
4622 2000-04-24 Nick Clifton <nickc@cygnus.com>
4624 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4625 the source register is the frame pointer or arg pointer.
4626 (addsi3_small_int): Disallow if source register is the frame
4627 pointer or arg pointer.
4629 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4631 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4632 call to AC_MSG_RESULT.
4634 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4636 * invoke.texi: Correct grammatical errors, document
4637 -fno-gnu-keywords as identical to -fno-asm for C++.
4639 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4641 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4642 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4643 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4644 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4645 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4647 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4648 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4649 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4650 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4653 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4655 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4656 (pop_alignment): Likewise.
4657 (handle_pragma_token): Likewise.
4659 2000-04-24 Robert Lipe <robertlipe@usa.net>
4661 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4663 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4665 * combine.c (try_combine): Update reg_nonzero_bits of
4666 newi2pat before newpat.
4668 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4670 * loop.c (strength_reduce): Simplify test to INSN_P.
4671 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4672 expressions instead of CONST_INT.
4673 (express_from_1): Likewise.
4675 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4677 * regs.h (reg_n_max): Don't declare.
4678 * flow.c (reg_n_max): Don't define.
4679 * regclass.c (renumber): Don't initialize to zero.
4680 (regno_allocated): Likewise.
4681 (reg_n_max): Define.
4682 (allocate_reg_info): Don't initialize unnecessarily.
4684 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4686 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4687 and blockage_p in the newly allocated attribute.
4689 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4691 * config/mn10300/mn10300.md (addsi): `inc4' on address
4692 registers does not modify cc, but `inc' on an extended
4695 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4697 * reload.c (find_equiv_reg): Checks all valueno regs
4698 as a reload_reg_p regs.
4700 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4702 * cpphash.c (collect_objlike_expansion): Add sanity check.
4703 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4704 the buffer is the empty string, return. Mark __DATE__ and
4705 __TIME__ as XCONST nodes, not MCONST.
4706 (_cpp_macroexpand): Avoid pushing an empty buffer.
4707 (funlike_macroexpand): Don't pop token_buffer here.
4709 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4711 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4712 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4713 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4714 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4715 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4716 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4717 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4719 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4721 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4724 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4726 * cpphash.h (struct definition): Move file, line, col members...
4727 (struct hashnode): ... here. Also add 'disabled' flag.
4728 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4729 T_IDENTITY. Remove T_DISABLED.
4732 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4733 (collect_expansion): Split into collect_objlike_expansion and
4734 collect_funlike_expansion.
4735 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4736 funlike_macroexpand.
4737 (_cpp_compare_defs): Rename compare_defs, make static.
4738 (_cpp_make_hashnode): Initialize hp->disabled.
4739 (macro_cleanup): Adjust for new token types. Clear
4741 (_cpp_create_definition): Move code here to determine what
4742 sort of macro it is, and code to check for redefinitions, from
4743 do_define. Implement a few simple cases without creating a
4745 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4746 Handle the simple cases.
4747 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4750 * cppinit.c (builtin_array): Change MCONST to XCONST
4752 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4753 fix check for disabled and function-like macros.
4754 * cpplib.c (do_define): Move most logic to
4755 _cpp_create_definition.
4756 (do_undef): Handle new special token types.
4758 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4760 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4761 of CONSTANT_P for mult_val; always use validate_change to update insn.
4763 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4765 * cpphash.c (trad_stringify, add_pat): New functions.
4766 (collect_expansion): Restore support for -traditional syntax.
4767 Use trad_stringify and add_pat.
4768 (_cpp_macroexpand): Restore support for -traditional semantics.
4769 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4770 get a COMMENT token.
4771 (_cpp_lex_token): Provide COMMENT tokens to caller if
4772 traditional and parsing_define_directive.
4773 (skip_comment): Warn about // comments if -Wtraditional.
4774 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4776 (do_undef): Don't warn about undefining EMPTY nodes.
4778 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4780 * loop.c (strength_reduce): Fix biv removal code.
4782 2000-04-22 Richard Henderson <rth@cygnus.com>
4784 * predict.c (estimate_probability): Examine both sides of
4785 a branch for no exits. Use 90% not 50% for predict taken.
4786 Reorg for one copy of note generation code.
4788 2000-04-22 Richard Henderson <rth@cygnus.com>
4790 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4792 2000-04-22 Richard Henderson <rth@cygnus.com>
4794 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4795 (output_clear): Likewise.
4796 (output_printf): Use va_copy.
4797 (vline_wrapper_message_with_location): Likewise.
4798 (v_message_with_decl): Likewise.
4799 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4800 * system.h (va_copy): Provide default implementation.
4802 2000-04-22 Richard Henderson <rth@cygnus.com>
4804 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4805 the collected condition is not a constant.
4807 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4809 * diagnostic.h: New file.
4811 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4813 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4814 various function prototypes.
4815 (diagnostic.h): #include.
4816 (struct output_buffer): Move into diagnostic.h.
4817 (get_output_prefix): Rename to output_get_prefix. Export.
4818 (init_output_buffer): Export. Break out. Ajust intialization.
4819 (output_space_left, output_append): Export.
4820 (output_newline): Rename to output_add_newline. Export.
4821 (output_clear): Nullify additional output_buffer fields.
4822 (output_puts): Rename to output_add_string. Export.
4823 (dump_output): Rename to output_flush_on. Export.
4824 (build_location_prefix): Constify return-type.
4825 (emit_output_prefix): Rename to output_emit_prefix. Export.
4826 (set_real_maximum_length): New function.
4827 (output_set_maximum_length): Ditto
4828 (output_clear): Ditto.
4829 (output_add_character): Ditto.
4830 (output_add_integer): Ditto.
4831 (output_add_space): Ditto.
4832 (output_format): Ditto.
4833 (output_printf): Adjust buffer initialization.
4834 (vline_wrapper_message_with_location): Ditto.
4835 (v_message_with_decl): Ditto. Adjust call to output_puts
4836 and get_output_prefix.
4837 (default_print_error_function): Adjust buffer intialization.
4839 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4841 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4844 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4846 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4849 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4851 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4852 accurate data about SP moves.
4854 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4856 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4857 aliases to AM33 registers.
4859 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4861 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4862 to all EXTENDED bitmaps.
4864 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4866 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4867 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4868 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4870 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4872 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4873 the operand is not constant.
4875 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4877 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4878 as a call-clobbered regs.
4880 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4882 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4884 * rtl.def: Update comment.
4885 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4886 * integrate.c (expand_inline_function): Likewise.
4887 * profile.c (branch_prob): Likewise.
4888 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4889 * print-rtl.c (print_rtx): Likewise.
4890 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4891 (reemit_notes): Likewise; also use enum insn_note.
4893 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4894 (place_field): Properly compute know and actual alignment.
4896 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4899 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4902 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4904 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4905 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4906 (collect_expansion): Rewrite to scan over a token list.
4907 Remove -traditional support.
4908 (collect_formal_parameters): Rename to collect_params; rewrite
4909 to scan over a token list.
4910 (_cpp_create_definition): Adjust to scan a token list.
4911 (_cpp_macroexpand): Remove -traditional support.
4912 (_cpp_compare_defs): Whitespace is now canonicalized.
4913 (comp_def_part): Delete function.
4915 * cpphash.h: Update prototypes.
4916 * cpplex.c (init_token_list): Don't set lineno if there is no
4918 (pedantic_whitespace): New function.
4919 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4920 consume a newline. Use pedantic_whitespace.
4921 (_cpp_lex_token): Remove support for -traditional macros.
4922 (_cpp_get_define_token): Delete.
4923 (_cpp_get_directive_token): Do the real work here. Use
4924 pedantic_whitespace.
4925 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4927 * cpplib.c (get_macro_name): Delete.
4928 (do_define): Read the entire line into pfile->directbuf, then
4929 feed the token list to _cpp_create_definition.
4930 * cpplib.h (HSPACE_BEFORE): new define.
4931 (struct cpp_reader): Add a toklist member, "directbuf".
4933 * predict.c (estimate_probability): New heuristic: if a jump
4934 branches around a block with no successors, predict it taken.
4935 Disentangle control flow.
4937 2000-04-20 Richard Henderson <rth@cygnus.com>
4939 * loop.c (emit_iv_add_mult): Revert last change.
4941 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4943 * cpplib.h (enum cpp_ttype): Add token types for all
4944 punctuators. Distinguish pp-numbers from valid C numbers.
4945 Give some tokens better names. Initialize from macro.
4946 (struct cpp_name, cpp_token, cpp_toklist): New data
4949 * cpplex.c (bump_column, expand_name_space,
4950 expand_token_space, init_token_list, cpp_output_list,
4951 _cpp_scan_line): New functions.
4952 (output_line_command): Add third argument, new line number.
4953 * cpphash.h: Update prototypes.
4954 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4957 2000-04-20 Richard Henderson <rth@cygnus.com>
4959 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4961 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4963 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4966 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4968 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4969 REG_EQUAL note explaining the calculated value.
4971 * calls.c (expand_call): Avoid unnecesary precalculation
4972 and outgoing parameters space guarding for sibling calls.
4973 (store_one_arg): Likewise.
4975 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4977 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4978 (rest_of_compilation): Write sibling dump file and account
4979 for time as jump time.
4980 * invoke.texi: Update documentation on dump flags.
4982 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4984 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4986 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4988 * cpphash.c (special_symbol): Represent an empty macro with
4989 "\r \r " not just "\r ".
4990 (_cpp_macroexpand): Correct condition for the foo ( ) special
4992 (unsafe_chars): Handle EOF as second argument.
4993 (push_macro_expansion): Simplify test for removing escape at
4994 end. Do not trim both escapes if there is no text in between.
4996 2000-04-19 Jim Blandy <jimb@redhat.com>
4998 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4999 of PTR_SIZE, when appropriate.
5001 2000-04-19 Mark Mitchell <mark@codesourcery.com>
5003 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
5004 (USE_ENUM_BITFIELDS): Fix typo.
5006 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5008 * stor-layout.c (place_field): Set rli->offset_align properly.
5010 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5012 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
5013 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
5014 PARM_BOUNDARY): Remove unnecessary casts.
5016 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5018 * calls.c (precompute_arguments): Remove must_preallocate and
5020 (expand_call): Update call of precompute_arguments.
5022 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
5023 check_insn_for_givs): Break out from ...
5024 (strength_reduce) ... here; use for_every_insn_in_loop to call
5025 check_insn_for_givs.
5026 * loop.h (for_every_insn_in_loop): Declare.
5027 (loop_insn_callback): New type.
5029 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5031 * cpplib.c (do_pragma_poison): Strings in the token buffer are
5034 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
5036 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
5039 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5041 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
5043 * configure.in: Delete --disable-cpplib option and all
5044 references to cpp_main.
5045 * configure: Regenerate.
5046 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
5047 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
5048 cccp.o, cccp, or cppmain. Link cppmain.o straight to
5049 cpp$(exeext). Add --no-headers to makeinfo command line when
5050 generating INSTALL. Install and uninstall cpp.1 manpage, not
5052 * install.texi: Delete all references to cexp.y/cexp.c.
5053 Delete ancient instructions for compiling GCC on 3b1.
5054 * INSTALL: Regenerate.
5056 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
5057 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
5058 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
5060 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
5061 which is no longer tested anywhere.
5063 * cppinit.c (handle_option): Don't run error message through
5066 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5068 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
5069 * cpperror.c (hashtab.h): Now include.
5070 * cppexp.c (hashtab.h): Likewise.
5071 * cpplex.c (hashtab.h): Likewise.
5072 * cppfiles.c (hashtab.h): Likewise.
5073 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
5074 to htab_find_slot_with_hash.
5075 * cpphash.c (hashtab.h): Now include.
5076 (_cpp_lookup_slot): INSERT is now enum insert_option.
5077 * cpphash.h (_cpp_lookup_slot): Likewise.
5078 * cppinit.c (hashtab.h): Include earlier.
5079 (initialize_builtins): Pass enum to htab_find_slot.
5080 * cpplib.c (hashtab.h): Now include.
5081 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
5082 (do_pragma_poison, do_assert): Likewise.
5083 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
5084 htab_find_slot_with_hash.
5085 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
5086 * tree.c (type_hash_add): Likewise.
5087 (build1): Minor cleanup.
5089 * ggc-common.c: Add missing blanks.
5090 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
5091 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
5093 * stmt.c (mark_case_node): New function.
5094 (mark_case_nesting): Call it.
5096 * expmed.c (emit_store_flag): If comparing two-word integer
5097 with zero, can optimize NE, EQ, GE, and LT.
5099 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
5100 * conflict.c: Minor cleanups.
5101 * optabs.c: Add blank line
5102 * simplify-rtx.c: Minor cleanups.
5104 2000-04-18 Stan Cox <scox@cygnus.com>
5106 * gengenrtl.c (genlegend): Fix misspelling.
5108 2000-04-18 Robert Lipe <robertlipe@usa.net>
5110 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
5111 bitfields of the host compiler are not signed quantities.
5112 * config.in: Regenerate.
5113 * configure: Regenerate.
5114 * system.h (USE_ENUM_BITFIELDS): Added.
5115 (ENUM_BITFIELDS): Added.
5116 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
5117 (SHORT_ENUM_BUG): Deleted.
5118 * tree.h (tree_common): Members `code', `mode', `built_in_class',
5120 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
5121 (CODE_FIELD_BUG): Likewise.
5122 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
5124 * config/m68k/x-ccur (X_CFLAGS): Likewise.
5126 2000-04-18 Mark Mitchell <mark@codesourcery.com>
5128 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
5131 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5133 * cppexp.c (lex): Don't assume tokens are NUL terminated.
5134 * cpplib.c (do_include, do_import, do_include_next,
5135 read_line_number, detect_if_not_defined): Likewise.
5136 * cpphash.c (collect_expansion): Likewise.
5137 (special_symbol, _cpp_macroexpand): Check return from
5139 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
5140 macros. Delete all uses.
5142 * gcc.dg/cpp-mi.c: Add two more test cases.
5143 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
5145 2000-04-17 Richard Henderson <rth@cygnus.com>
5147 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
5148 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
5150 2000-04-17 Mark Mitchell <mark@codesourcery.com>
5152 * function.c (expand_function_start): Use hard_function_value to
5153 compute the RTL to use for DECL_RESULT.
5155 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5157 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
5158 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5159 x86_memory_mismatch_stall): New global variables.
5160 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
5161 alloved; fix load penalties for Athlon.
5162 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5163 x86_memory_mismatch_stall): Declare.
5164 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
5165 TARGET_MEMORY_MISMATCH_STALL): New.
5166 * i386.md (athlon scheduling parameters): Fix latencies according to
5167 Athlon Optimization Manual.
5168 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5170 (fsqrt instruction patterns): Set athlon_decode to direct.
5171 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5172 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5173 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5174 and TARGET_PARTIAL_REGISTER_STALL machines.
5175 (pushdf_nointeger): New pattern.
5176 (pushdf_integer): Rename from pushdf.
5177 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5178 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5180 2000-04-17 Richard Henderson <rth@cygnus.com>
5182 * loop.c (canonicalize_condition): Add WANT_REG argument.
5183 Stop the search if we match it.
5184 * expr.h (canonicalize_condition): Update decl.
5185 * predict.c (expected_value_to_br_prob): Use it. Track last
5186 expected value note.
5187 (find_expected_value): Remove.
5189 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5191 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5193 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5194 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5196 * configure.in: Call AC_FUNC_MMAP_FILE.
5197 * configure: Regenerate.
5198 * config.in: Regenerate.
5200 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5201 * fixinc/fixincl.c: Likewise.
5203 2000-04-17 Richard Henderson <rth@cygnus.com>
5205 * builtins.c (expand_builtin_expect): New.
5206 (expand_builtin): Call it.
5207 * builtins.def (BUILT_IN_EXPECT): New.
5208 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5209 * extend.texi: Document it.
5211 * predict.c (expected_value_to_br_prob): New.
5212 (find_expected_value): New.
5213 * basic-block.h (expected_value_to_br_prob): Declare.
5214 * toplev.c (rest_of_compilation): Invoke it.
5216 * rtl.h (NOTE_EXPECTED_VALUE): New.
5217 (NOTE_INSN_EXPECTED_VALUE): New.
5218 * rtl.c (note_insn_name): Update.
5219 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5220 cases; handle NOTE_INSN_EXPECTED_VALUE.
5222 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5224 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5225 leaf sibcall delay slot if flag_pic.
5226 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5228 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5230 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5232 * fixproto: If fix-header fails, exit with an error.
5234 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5236 * cse.c (struct check_depdendence_data): New.
5237 (check_dependence): New function.
5238 (invalidate): Use check_depdenence.
5240 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5242 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5243 UNITS_PER_WORD is unsigned.
5245 * tree.h (struct tree_common): Remove misleading comment.
5247 2000-04-16 Dave Pitts <dpitts@cozx.com>
5249 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5250 message in quotes. Otherwise, IBM's make program treats the '#' as the
5251 start of a comment and ignores the remainder of the line.
5253 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5255 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5256 * cexp.y (initialize_random_junk): Likewise.
5257 * cppfiles.c (find_include_file): Cast alloca return value.
5258 * cppinit.c (initialize_standard_includes): Likewise.
5259 * cpplib.c (cpp_define, cpp_undef): Likewise.
5260 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5261 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5262 * fold-const.c (CHARMASK): New.
5263 (real_hex_to_f): Use it.
5264 * real.c (CHARMASK): New.
5265 (etoasc, asctoeg): Use it.
5266 (asctoeg): EBCDIC lower case characters preceed upper case.
5268 * i370.c (mvs_add_label): Change spacing for coding conventions.
5269 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5270 outputing case vectors.
5271 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5272 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5273 since vector in in the data CSECT.
5274 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5275 * i370.md (Many patterns): Put the length in the XL directives.
5276 (movdi): Put back STM and MVC in definition.
5277 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5278 pattern using the TCA.
5279 * oe.h (CPP_SPEC): Added to allow trigraphs.
5280 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5281 not support the "long long" type.
5283 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5285 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5287 (mips_reg_mode_ok_for_base_p): Likewise.
5288 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5289 (REG_OK_FOR_INDEX_P): Define unconditionally.
5290 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5291 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5292 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5293 that GET_MODE_SIZE is unsigned.
5294 (mips_reg_mode_ok_for_base_p): Define.
5295 (mips_legitimate_address_p): Likewise. Adjust now
5296 that GET_MODE_SIZE is unsigned.
5297 (block_move_loop): Make the number of bytes unsigned.
5298 (expand_block_move): Likewise.
5299 (function_arg): Make the loop counter unsigned to match the
5302 2000-04-16 Richard Henderson <rth@cygnus.com>
5304 * rtl.h (enum insn_note): New enumeration. Subsume
5305 NOTE_INSN_DELETED and friends.
5306 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5307 * rtl.c (note_insn_name): Tweak string order.
5309 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5311 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5314 * cpplex.c (output_line_command): Remove debugging prints.
5315 (cpp_output_tokens): Don't write out a zero-length buffer or
5316 try to see if it has a newline in it.
5317 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5318 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5319 the end of the loop. Use memmove. Don't read past the end of
5320 the buffer. Remove trailing newlines from error messages.
5322 2004-04-16 Neil Booth <NeilB@earthling.net>
5324 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5325 * cpplib.c: Add new syntax flags to directive table, and
5328 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5330 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5333 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5335 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5336 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5338 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5340 * Makefile.in (ggc-page.o): Now includes toplev.h.
5341 * ggc-page.c (toplev.h): Now included.
5342 (gc_time): Remove declaration.
5343 (ggc_collect): TIME now long.
5344 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5346 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5348 * toplev.c: Make *_time variable long to reduce chance of overflow.
5349 (TIMEVAR): Likewise for `otime'.
5350 (print_time): Arg is now long; compute percentage in FP and round.
5351 * toplev.h (print_time): Arg is long.
5353 * tree.c: Minor whitespace changes.
5355 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5356 * configure: Rebuilt.
5357 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5358 (__fixunsxfDI): Renamed from __fixunsxfdi.
5359 (__fixunsdfDI): Renamed from __fixunsdfdi.
5360 (__fixunssfDI): Renamed from __fixunssfdi.
5361 (__floatdisf): Use proper type in REP_BIT macro.
5362 (__fixunsxfSI): Renamed from __fixunsxfsi.
5363 (__fixunsdfSI): Renamed from __fixunsdfsi.
5364 (__fixunssfSI): Renamed from __fixunssfsi.
5365 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5366 Change location of macros and upper-case some names as above.
5367 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5368 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5370 * varasm.c (assemble_variable): Add cast to remove warning.
5371 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5373 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5374 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5375 region number to -1.
5377 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5379 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5380 call unshare_all_rtl.
5382 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5384 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5386 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5387 Use .s1 not .s0 for all FP instructions.
5389 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5391 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5393 (safe_fwrite, output_line_command): New static functions.
5394 (cpp_expand_to_buffer): Now private to cpplib.
5395 (cpp_scan_buffer): Take a printer.
5397 * cpphash.h: Update prototypes.
5398 * cpplib.h: Update prototypes.
5400 (cpp_buffer): Remove last_nominal_fname.
5401 (cpp_reader): Remove lineno.
5403 * cppmain.c: Use a cpp_printer.
5404 * fix-header.c: No need to inhibit line commands. Call
5405 cpp_start_read with no printer.
5407 * cpperror.c (cpp_notice_from_errno): Provide default name.
5408 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5409 (find_include_file, cpp_read_file): Use make_IHASH.
5410 (file_cleanup): Set control_macro and clear
5411 input_stack_listing_current here.
5412 (_cpp_execute_include): Don't output entering-file marker.
5413 * cpphash.c (special_symbol): Look for the line number in the
5414 buffer, not the reader.
5415 (_cpp_macroexpand): No need to disable line commands.
5416 (_cpp_dump_definition): No need to generate line commands.
5417 (dump_hash_helper): Remove excess newline from output.
5418 * cppinit.c (dump_special_to_buffer): No need to generate line
5420 (cpp_printer_init): New.
5421 (cpp_start_read): Take a printer, and start it up if it's not
5422 NULL. No need to generate line commands.
5423 (cpp_finish): Expect no buffers stacked at all. Take a
5424 printer argument, and flush the output buffer if it's not
5426 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5427 Don't put two hashes at the beginning of an assertion.
5428 (cpp_get_token): Don't increment pfile->lineno or emit line
5429 commands here. Return EOF if there's no buffer when we get
5431 * cpplib.c (do_define, skip_if_group):
5432 No need to disable line commands.
5433 (_cpp_output_line_command): Delete function.
5434 (do_line): Don't emit line commands here, but set things up so
5435 they will be emitted if necessary. Use _cpp_fake_ihash to
5436 make unique nominal_fnames if necessary.
5437 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5438 with 0 for column, not -1.
5439 (_cpp_handle_eof): Don't set the control macro here. Don't
5440 clear input_stack_listing_current here. Don't emit line
5443 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5445 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5446 always, use the default SVR4 start address.
5448 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5449 (LINK_SHLIB_SPEC): Define.
5450 (LINK_START_DEFAULT_SPEC): Define.
5451 (LINK_OS_DEFAULT_SPEC): Define.
5453 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5455 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5456 __do_global_ctors to handle constructors.
5457 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5458 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5459 (STARTFILE_MVME_SPEC): Likewise.
5460 (STARTFILE_SIM_SPEC): Likewise.
5461 (ENDFILE_ADS_SPEC): Use crtend.
5462 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5463 (ENDFILE_MVME_SPEC): Likewise.
5464 (ENDFILE_SIM_SPEC): Likewise.
5465 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5466 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5467 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5468 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5469 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5470 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5471 (CRTSTUFF_T_CFLAGS_S): Define.
5472 * config/rs6000/eabi-ctors.c: Delete.
5474 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5477 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5481 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5483 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5484 plus mask size is smaller or equal to the mode size.
5486 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5488 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5491 * expr.c (reload.h): Now included.
5492 (emit_block_move): Set volatile_ok when checking for movstr.
5493 (emit_move_1): Check for replacements in addresses in multi-word case.
5494 * Makefile.in (expr.o): Now includes reload.h.
5496 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5497 Never have a LIBCALL end a basic block.
5498 (find_basic_blocks_1): Likewise.
5499 Reorganize CALL_INSN cases.
5501 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5503 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5505 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5506 completers from mov.ret instruction.
5508 2000-04-14 Richard Henderson <rth@cygnus.com>
5510 * fold-const.c (extract_muldiv): Don't distribute and widen
5511 multiply across plus for non-sizetype unsigned types.
5513 2000-04-14 Richard Henderson <rth@cygnus.com>
5515 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5516 If the original source is dead in the incr insn, it's dead now.
5518 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5520 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5521 see if DECL_BIT_FIELD needs to still be set.
5523 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5525 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5526 print_int_cst_octal with something that's not an INTEGER_CST.
5528 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5529 and not a SUBREG to a FLOAT rtl.
5531 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5533 * emit-rtl.c (try_split): Avoid infinite loop if the split
5534 results in a sequence that contains the original insn.
5536 2000-04-13 Andreas Jaeger <aj@suse.de>
5538 * config/mips/mips.c (expand_block_move): Pass alignment
5539 argument to move_by_pieces in bits, not bytes.
5541 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5542 __pic__ for little endian.
5544 2000-04-13 Andreas Jaeger <aj@suse.de>
5546 * config/i386/i386-protos.h: Add prototype for
5547 uno_comparison_operator.
5549 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5551 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5552 * calls.c (ECF_PURE): New flag.
5553 (emit_call_1): Handle ECF_PURE calls.
5554 (initialize_argument_information): Unset ECF_PURE flag too.
5555 (precompute_arguments): Precompute for ECF_PURE too.
5556 (expand_call): Handle ECF_PURE calls too.
5557 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5558 accept value of 2 as pure function.
5559 (emit_library_call_value, emit_library_call): Rename no_queue argument
5561 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5563 * tree.h (DECL_IS_PURE): New macro.
5564 (struct tree_decl): Add pure_flag.
5565 * c-common.c (enum attrs): Add attribute "pure".
5566 (init_attributes): Initialize attribute "pure"
5567 (decl_attributes): Handle attribute "pure".
5568 * extend.texi (Attribute "pure"): Document.
5569 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5571 (flags_from_decl_or_type): Support attribute "pure".
5573 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5575 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5576 the token except for numbers and identifiers.
5578 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5580 * i386.c (ix86_expand_binary_operator,
5581 ix86_expand_unary_operator): Check no_new_pseudos
5582 instead of reload_in_progress and reload_completed.
5583 (ix86_split_ashldi, ix86_split_ashrdi,
5584 ix86_split_lshrdi): Check no_new_pseudos instead
5585 of reload_completed.
5587 2000-04-12 Jeffrey A Law (law@cygnus.com)
5589 * function.c (purge_addressof): Unshare any shared rtl created by
5590 purge_addressof and its children.
5592 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5594 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5597 2000-04-05 Andreas Jaeger <aj@suse.de>
5599 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5600 not compiling PIC code, add flags for mabi=64.
5601 (SUBTARGET_CPP_SIZE_SPEC): New.
5602 (SUBTARGET_CPP_SPEC): New.
5603 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5604 for MIPS/Linux and lots of code needs these defines.
5606 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5608 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5609 trying the "opposite arithmetic" approach.
5611 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5613 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5614 (struct sh_args): Add new field force_mem.
5615 (INIT_CUMULATIVE_ARGS): Initialize it.
5616 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5618 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5620 * calls.c (expand_call): Do not reverse args in "equal from" field.
5621 (emit_library_call_value_1): Emit_libcall_block for const and pure
5624 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5626 * reload1.c (reload_combine): Don't enable optimization for fixed
5627 registers when encountering a BARRIER.
5629 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5631 * builtins.c (expand_builtin_memcmp): Do expansion even with
5632 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5634 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5635 stack is propertly aligned; add sanity checking for aligned
5637 (expand_library_call_value_1): Add sanity checking for aligned
5640 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5642 * calls.c (emit_library_call_value_1): Change 3rd arg to
5643 locate_and_pad_parm to disregard the setting of partial.
5645 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5647 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5649 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5650 CALL_INSN from the normal case.
5652 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5654 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5655 New global variables.
5656 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5658 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5660 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5661 TARGET_ADD_ESP_8): New macros.
5662 * i386.md: Add peep2s to convert esp adjustments to push and pop
5664 (pushsi_prologue, popsi_epilogue): New patterns.
5666 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5668 * real.c (toe64): Remove stale #endif from the last change.
5670 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5672 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5673 * real.c (toe64): Revert previous change.
5675 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5677 * objc/objc-act.c: Include ggc.h.
5678 (objc_tree_index, objc_global_trees): Convert most of the
5679 static tree variables into a static array with previous names
5681 (objc_ellipsis_node): New variable.
5682 (lang_init): Call objc_act_parse_init and c_parse_init.
5683 Create objc_ellipsis_node.
5684 (build_selector_translation_table): Use objc_ellipsis_node instead
5686 (hack_method_prototype): Likewise.
5687 (get_arg_type_list): Likewise.
5688 (start_method_def): Likewise.
5689 (continue_method_def): Likewise.
5690 (gen_method_decl): Likewise.
5691 (ggc_mark_imp_list): New function.
5692 (ggc_mark_hash_table): New function.
5693 (objc_act_parse_init): New function.
5694 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5695 * c-parse.in (c_parse_init): For objc add roots of objc specific
5696 local tree variables.
5697 * objc/objc-parse.y: Rebuilt.
5698 * objc/objc-parse.c: Rebuilt.
5699 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5701 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5703 * cse.c (delete_trivially_dead_insns): Also delete insns
5704 that copy a register to itself where the destination is
5707 2000-04-11 Richard Henderson <rth@cygnus.com>
5709 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5710 (propagate_block): Initialize them. Use them in parallel instead
5711 of one tmp variable, ie revert much of the 0408 and 0407 functional
5712 changes, but keep the structural changes.
5713 (mark_set_regs): Take new_dead from propagate_block_info instead.
5714 (mark_set_1, mark_set_reg): Likewise.
5715 (mark_used_regs): Likewise with new_live.
5716 (mark_used_reg): Likewise. Revert 0408 change.
5718 2000-04-11 Nick Clifton <nickc@cygnus.com>
5720 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5722 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5724 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5726 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5727 const section to output a CONSTRUCTOR based on the same conditions
5730 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5732 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5733 * pa/pa-protos.h (output_call): Add additional argument indicating
5734 if the call is a sibling/tail call.
5735 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5736 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5737 (function_arg, function_arg_partial_nregs): Likewise
5738 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5739 (emit_move_sequence): Zero extend certain constants as needed
5741 (compute_zdepdi_operands, output_64bit_and): New functions.
5742 (output_64bit_ior, function_arg): Likewise.
5743 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5744 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5745 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5746 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5747 (output_bvb): Likewise.
5748 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5749 (output_call): New argument 'sibcall'. Generate sibcall sequences
5751 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5752 (ouput_arg_descriptor): Do not emit argument descriptors for
5754 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5756 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5757 (FUNCTION_OK_FOR_SIBALL): Define.
5758 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5759 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5760 (CPP_SPEC): Use new spec infrastructure.
5761 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5762 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5763 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5764 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5765 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5766 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5767 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5768 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5769 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5770 (FUNCTION_ARG); Call out to C code.
5771 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5772 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5773 (MIN_UNITS_PER_WORD): Likewise.
5774 * pa/pa.md (cmpdi): New expander.
5775 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5776 (64bit conditional arithmetic): New patterns.
5777 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5778 (movsicc): Not available if modes on all the operands to not match.
5779 (movdicc): New expander and associated patterns.
5780 (64bit branches): New patterns.
5781 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5782 (pre_ldd, post_std): New patterns.
5783 (64bit addil, load low part): New patterns.
5784 (special movsf constant): Not available for TARGET_64BIT.
5785 (movsf, movdf expanders): Force constants into memory.
5786 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5787 (64bit movdf/movdi patterns): New patterns.
5788 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5790 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5791 (adddi3 expander): Allow "arith_operand" for second input.
5792 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5793 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5794 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5795 (muldi3): New expander for TARGET_64BIT.
5796 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5798 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5799 patterns for TARGET_64BIT.
5800 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5801 patterns for TARGET_64BIT.
5802 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5803 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5804 (sibcall_epilogue): New expander.
5805 (casesi): Tweak for TARGET_64BIT.
5806 (call expanders): Set & use the outgoing argument pointer. Use the
5807 64bit call patterns as needed. Add additional arg to output_call.
5808 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5809 (sibcall, sibcall_internal_symref): New expanders.
5810 (sibcall_value, sibcall_value_internal_symref
5811 (interspace_jump): Turn into an expander + matching patterns.
5812 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5813 * pa/pa64-regs.h: Eliminate trigraph sequences.
5814 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5816 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5818 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5819 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5820 cpp_token with cpp_ttype everywhere.
5821 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5822 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5823 CPP_BUF_COL. Line and column numbers are unsigned int, not
5825 * cpplex.c (cpp_buf_line_and_col): Delete.
5826 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5827 'long lineno' to 'unsigned int lineno'.
5828 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5830 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5832 * extend.texi: ISO C99 is not a draft anymore.
5833 * invoke.texi: ISO C++ is not a draft anymore.
5834 * cpp.texi: __cplusplus is required by the ISO standard.
5836 * extend.texi (-fthis-is-variable): Undocument.
5837 * flags.h (warn_template_debugging): Remove declaration.
5838 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5839 -Wenum-clash, -Wtemplate-debugging): Undocument.
5841 2000-04-10 Nick Clifton <nickc@cygnus.com>
5843 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5845 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5847 (ARM_SIGN_EXTEND): Use HOST_UINT.
5848 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5849 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5850 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5851 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5853 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5854 (arm_gen_constant): Use HOST_UINT.
5855 (arm_canonicalize_constant): Use HOST_UINT.
5856 (arm_reload_in_hi): Use HOST_UINT.
5857 (arm_reload_out_hi): Use HOST_UINT.
5858 (output_multi_immediate): Use HOST_UINT.
5859 (int_log2): Use HOST_UINT.
5860 (arm_poke_function_name): Use HOST_UINT.
5861 (arm_output_epilogue): Use arm_volatile_func().
5862 (output_thumb_prologue): Use arm_strip_name_encoding().
5864 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5866 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5867 of sequence point problems.
5869 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5871 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5873 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5875 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5877 * sbitmap.h: Whitespace changes and use upper-case macro args.
5878 (struct simple_bitmap_def): All sizes now unsigned.
5879 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5880 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5881 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5882 (sbitmap_zero): Cast bzero arg to PTR.
5883 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5884 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5885 loop to make structure clearer.
5886 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5887 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5888 (sbitmap_a_and_b_or_c): Likewise.
5889 (sbitmap_intersection_of_succs): Minor cleanups.
5890 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5891 (sbitmap_union_of_preds): Likewise.
5892 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5893 (debug_sbitmap): New function.
5895 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5896 * c-typeck.c (convert_for_assignment): Likewise.
5898 * expmed.c (init_expmed): Don't free objects we make.
5899 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5901 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5902 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5904 * gcse.c (expr_hash_table_size): Now unsigned.
5905 (compute_ae_gen): Local variable `i' now unsigned.
5906 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5907 (compute_transout, hoist_code): Likewise.
5908 (compute_local_properties): Likewise, also hash_table_size.
5909 (alloc_expr_hash_table): N_INSNS now unsigned.
5910 (delete_null_pointer_checks): Mark arg F as unused.
5912 * regrename.c: Minor cleanups, including chang some variables
5915 2000-04-10 Neil Booth <NeilB@earthling.net>
5917 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5919 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5921 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5923 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5924 __classof__, and __headof__ from the list of gnu keywords.
5925 (-ansi): Remove -foperator-names from list of implied options.
5926 Do not call it ANSI C++.
5927 (-foperator-names): Document as -fno-operator-names.
5929 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5931 * cpphash.c (timestamp): Delete.
5932 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5933 (special_symbol): Remove unnecessary braces. Remove
5934 T_VERSION. Treat T_STDC like T_CONST unless
5935 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5936 when one is encountered, then convert them into T_MCONST
5938 * cppinit.c (builtin_array): version_string is T_MCONST.
5939 __STDC__ has a "1" in its cpval. Don't have a terminator
5940 entry. Clean up which entries are dumped.
5941 (initialize_builtins): Only __STDC__ gets the special
5942 -traditional treatment. Count the length of builtin_array.
5943 Render version_string here.
5944 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5945 * cpplib.h (struct cpp_reader): Remove timebuf.
5947 2000-04-09 Richard Henderson <rth@cygnus.com>
5949 * genrecog.c (pred): Update comparison_operator for the unordered
5952 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5954 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5955 (uno_comparison_operator): New.
5956 (put_condition_code): Handle UNORDERED/ORDERED.
5957 (unsigned_comparison): Likewise.
5958 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5959 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5960 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5961 update all callers. Handle all 8 unordered operators.
5962 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5963 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5964 * config/i386/i386.h (PREDICATE_CODES): Update.
5965 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5966 (ix86_expand_branch, ix86_expand_setcc): Update.
5967 * config/i386/i386.md (sunordered, sordered): New.
5968 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5969 (bunordered, bordered): New.
5970 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5971 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5972 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5974 2000-04-09 Philip Blundell <philb@gnu.org>
5976 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5978 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5980 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5981 fix_truncxfhi2): New patterns.
5982 * i386.c (output_fix_trunc): Handle converting to HImode.
5984 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5986 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5988 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5989 (for_each_successor_phi): Change parameter to basic_block.
5990 (coalesce_regs_in_successor_phi_nodes): Likewise.
5991 (coalesce_regs_in_copies): Likewise.
5992 (compute_coalesced_reg_partition): Use basic_block instead of index.
5993 * rtl.h (convert_to_ssa): Delete.
5994 (convert_from_ssa): Likewise.
5995 (successor_phi_fn): Likewise.
5996 (for_each_successor_phi): Likewise.
5997 (in_ssa_form): Likewise.
5998 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5999 (convert_from_ssa): Likewise.
6000 (successor_phi_fn): Likewise.
6001 (in_ssa_form): Likewise.
6002 (for_each_successor_phi): Likewise. Change parameter to basic_block.
6003 * flow.c (calculate_global_regs_live): Pass a basic_block to
6004 for_each_successor_phi.
6006 2000-04-08 Richard Henderson <rth@cygnus.com>
6008 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
6009 was modified in the current insn.
6011 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6013 * arm/thumb.md: Delete.
6014 * arm/thumb-protos.h: Delete.
6016 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6018 Merge changes from merged-arm-thumb-backend-branch onto trunk.
6020 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6022 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
6025 * arm.md (nop): Use the standard RTL expression. Don't code as a
6027 (*arm_nop, *thumb_nop): Delete.
6029 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
6030 constants. Use casts instead.
6031 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
6032 output_multi_immediate, arm_poke_function_name): Likewise.
6033 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
6034 MASK_RETURN_ADDDR): Likewise.
6036 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
6038 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
6041 * arm.md (eh_epilogue): New function.
6042 * arm.h (struct machine_function): Move to here ...
6043 * arm.c: ... from here.
6044 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
6045 (thumb_exit): Extra parameter eh_ofs. All callers changed.
6046 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
6048 2000-03-30 Nick Clifton <nickc@cygnus.com>
6050 * config/arm/semi.h (ASM_SPEC): Restore definition.
6051 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6053 * config/arm/elf.h (ASM_SPEC): Restore definition.
6054 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6056 * config/arm/arm.h (ASM_SPEC): Remove definition.
6057 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
6059 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6061 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
6063 2000-03-24 Nick Clifton <nickc@cygnus.com>
6065 Various formating tidyups, elimination of compile time
6066 warnings and synchronisation with internal sources:
6068 * config/arm/arm-protos.h (assemble_align): Add prototype.
6069 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6070 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6071 (arm_return_addr_rtx): Rename to arm_return_addr.
6073 * config/arm/arm.c: Include except.h.
6074 Define shorter typenames for strict minipool_node and struct
6076 (arm_return_in_memory): For WinCE return all structures <= 32 bits
6078 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6079 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6081 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6083 (ASM_SPEC): Define if not already defined.
6084 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
6086 * config/arm/arm.md: Rename references to gen_rotated_half_load to
6087 arm_gen_rotated_half_load, and references to gen_comapre_reg to
6088 arm_gen_compare_reg.
6089 (indirect_jump): Only accept register operands.
6090 (load_indirect_jump): Keep this pattern since combine can generate
6093 * config/arm/coff.h: Include aout.h.
6094 (MULTILIB_DEFAULTS): Only define if not already defined.
6096 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
6097 into arm.h (so that COFF ports can support thumb based aliases).
6098 (ASM_SPEC): Move definition into arm.h
6100 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
6101 redundant apcs spec.
6102 (ASM_SPEC): Move definition to arm.h
6104 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
6106 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
6107 for entries in the .bss section
6109 2000-03-23 Nick Clifton <nickc@cygnus.com>
6111 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
6112 to thumb_far_jump_used_p.
6114 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
6115 single integer parameter.
6117 * config/arm/arm.c (struct machine_function): Add two new
6118 fields, 'far_jump_used' and 'arg_pointer_live'.
6119 (thumb_far_jump_used_p): Once the decision has been made that
6120 far jumps might be used, always return true.
6121 If being called from the initial elimination offset macro then
6122 do not bother to perform the test if the arg pointer is not
6124 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
6125 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
6127 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
6129 * arm.c (output_return_instruction): Handle more cases where we can
6130 return from a function with an ldr instruction.
6131 (arm_output_epilogue): Likewise.
6133 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
6134 if we need to push a large stack frame and there are no callee-saved
6137 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
6138 in ARM code if the frame pointer has been eliminated.
6140 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
6141 unspec_volatile arguments to avoid duplicates.
6142 (consttable_1, consttable_2): Fixes for big-endian mode.
6144 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
6147 Re-write constant pool code.
6148 * arm.c (minipool_node, minipool_fix): New types.
6149 (minifix): Delete type.
6150 (arm_add_minipool_constant): Delete.
6151 (arm_compute_minipool_offsets, arm_find_barrier,
6152 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
6153 (get_jump_table_size): Now returns HOST_WIDE_INT.
6154 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
6156 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
6157 (assign_minipool_offsets, arm_print_value): Likewise.
6158 (dump_minipool): Rewrite.
6159 (arm_barrier_cost): New function.
6160 (create_fix_barrier): New function.
6161 (push_minipool_barrier): New function.
6162 (push_minipool_fix): Record additional information about the fixup
6164 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
6165 check the mode of what needs fixing.
6166 (arm_reorg): Rewrite.
6168 2000-03-08 Nick Clifton <nickc@cygnus.com>
6170 * config/arm/arm.md (indirect_jump): Force constant addresses into
6173 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6175 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6177 2000-02-24 Nick Clifton <nickc@cygnus.com>
6179 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6180 adjust is word aligned.
6181 (thumb_expand_epilogue): Make sure that stack adjust is word
6184 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6186 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6188 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6189 pointer relative addresses.
6191 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6193 * arm.c (find_barrier): Find the last barrier within the allowed
6196 2000-02-09 Nick Clifton <nickc@cygnus.com>
6198 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6200 2000-02-09 Nick Clifton <nickc@cygnus.com>
6202 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6203 ARM_FUNCTION_PROFILER.
6205 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6206 ARM_FUNCTION_PROFILER.
6208 * config/arm/linux-oldld.h: Imported from mainline sources.
6210 2000-02-07 Nick Clifton <nickc@cygnus.com>
6212 * config/arm/lib1funcs.asm: Merge in thumb functions from
6215 * config/arm/lib1thumb.asm: Delete.
6217 2000-02-04 Nick Clifton <nickc@cygnus.com>
6219 * config/arm/arm.c: Sychronised with current Red hat local
6221 * config/arm/arm.h: Ditto.
6222 * config/arm/arm-protos.h: Ditto.
6224 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6226 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6228 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6231 2000-02-02 Nick Clifton <nickc@cygnus.com>
6233 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6235 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6236 (return) was emited using an emit_insn() call.
6238 2000-01-31 Nick Clifton <nickc@cygnus.com>
6240 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6242 (thumb_exit): Move frame pointer back into hard frame pointer
6243 register if backtracing is being used.
6245 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6247 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6250 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6252 * config/arm/arm.md (neg_pool_offset): Provide default for new
6254 (arm_movsi_insn): Add neg_pool_offset attribute.
6255 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6256 rtx for the insn that starts the scan and an unsigned long for its
6257 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6258 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6259 instructions in *PINSERTED.
6260 (struct minipool_fixup): Add MIN_ADDRESS elt.
6261 (sort_fixups): Compute it.
6262 (arm_reorg): Changes to support inserting pools before the insn to be
6265 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6267 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6268 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6269 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6271 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6273 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6275 (TARGET_DEFAULT): Do not define if already defined.
6277 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6279 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6280 (iordi3): Allow disjoint source operands.
6281 (xordi3): Allow disjoint source operands.
6282 (negdi2): Permit construction for ARM and Thumb.
6283 (arm_negdi2): Renamed version of old negdi2 pattern.
6284 (thumb_negdi2): New pattern: Only permit non-overlapping
6285 source and destination.
6287 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6289 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6290 scratch low register so that it will not be deleted.
6292 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6294 * config/arm/pe.h (ARM_PE): Define.
6296 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6297 interfacearm attribute if this is a PE toolchain.
6298 (output_return_instruction): Do not emit anything if the function
6299 has the naked attribute set.
6300 (is_called_in_ARM_mode): If the function has the interfacearm
6301 attribute then return true.
6302 (thumb_expand_prologue): Do not generate a prologue for naked
6304 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6306 (output_thumb_prologue): Do not bother if the function is naked.
6307 Strip PE encoding from function name before emitting.
6309 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6311 * arm.md (pic_load_addr): Fix constraints.
6313 * arm.md (casesi_insn): Fix mis-applied patch.
6315 * arm.md ("core" function unit): Add rules for single- and
6317 (All TARGET_THUMB patterns): Add "type" attribute information
6319 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6320 the following insn is a CALL.
6322 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6324 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6325 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6326 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6328 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6330 * config/arm/linux-gas.h: oops - this file was missed out when the
6331 branch was created...
6333 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6335 * thumb.c: Deleted. Move contents to ...
6337 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6339 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6342 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6343 declare a prototype for asm_output_align();
6345 * arm.c (thumb_condition_code): Delete.
6346 (arm_print_operand): Always use arm_condition_code array.
6348 * arm.c (thumb_return_addr_rtx): Delete.
6349 (arm_save_machine_status, arm_restore_machine_status): Delete.
6350 (arm_init_machine_status, arm_mark_machine_status): New functions.
6351 (arm_init_expanders): Update accordingly.
6352 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6353 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6354 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6356 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6358 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6360 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6363 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6365 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6366 stack backtrace structure.
6368 * config/arm/arm-protos.h: Add prototypes for functions defined in
6371 * config/arm/arm.c (arm_override_options): Fix selection of
6372 attributes of default processor.
6374 * config/arm/coff.h: Delete needless #include.
6376 * config/arm/pe.c: Delete unused code.
6378 * config/arm/pe.h (CPP_DEFINES): Delete
6379 (SUBTARGET_CPP_SPEC): Define.
6380 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6382 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6384 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6386 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6388 (CAN_DEBUG_WITHOUT_FP): Define.
6389 (FIXED_REGISTERS): Make r11 call-saved.
6390 (CALL_USED_REGISTERS): Likewise.
6391 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6392 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6393 frame-pointer is required.
6394 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6395 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6396 if the target normally needs a stack frame in non-leaf functions.
6397 (use_return_insn): Correct logic for determining when a return
6398 instruction can be used.
6399 (output_return_instruction): Handle the frame-pointer register as
6400 a normal register when not TARGET_APCS_FRAME.
6401 (arm_output_prologue): Likewise.
6402 (arm_output_epilogue): Likewise.
6403 (output_func_epilogue): Likewise.
6404 (arm_expand_prologue): Likewise.
6405 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6407 * arm.c (use_return_insn): No need to check floating point regs if
6409 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6410 the code of value stored in the minipool array.
6411 (arm_add_minipool_constant): Likewise.
6413 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6415 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6417 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6419 * tree.c (tree_expr_nonnegative_p): New function.
6421 * tree.h (tree_expr_nonnegative_p): Declare.
6423 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6424 elide some sign_compare warnings.
6425 (build_conditional_expr): Likewise.
6427 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6429 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6431 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6432 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6433 operand. Abort if a 387 operand has an unsupported size.
6435 2000-04-08 Neil Booth <NeilB@earthling.net>
6437 * cppexp.c (parse_charconst): Null does not end character
6439 * cppinit.c (ISTABLE): Null character handled as whitespace.
6440 * cpplex.c (null_warning): new function.
6441 (skip_string): Emit warning if nulls encountered.
6442 (_cpp_skip_hspace): Emit warning if nulls encountered.
6443 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6447 2000-04-07 Richard Henderson <rth@cygnus.com>
6449 * flow.c (loop_depth): Remove.
6450 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6451 (struct propagate_block_info): New.
6452 (life_analysis): Don't allocate reg_next_use.
6453 (propagate_block_delete_insn): Break out of propagate_block.
6454 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6455 (propagate_block_delete_libcall): Likewise.
6456 (propagate_block): Create a propagate_block_info struct to pass
6457 to subroutines. Allocate one not two temporary regsets. Don't
6458 clobber memory for const calls. Look for clobbers in
6459 CALL_INSN_FUNCTION_USAGE.
6460 (mark_set_regs): Recognize COND_EXEC.
6461 (mark_set_reg): Break out of mark_set_1.
6462 (mark_used_reg): Break out of mark_used_regs.
6463 (mark_used_regs): Recognize COND_EXEC.
6464 (insn_dead_p): Use propagate_block_info struct.
6465 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6466 (find_auto_inc, try_pre_increment_1): Likewise.
6467 (print_rtl_with_bb): Dump regs live at end too.
6468 (count_reg_sets_1): Pass in loop_depth.
6469 (count_reg_sets, count_reg_references): Likewise.
6470 (recompute_reg_usage): Provide it.
6472 2000-04-07 Richard Henderson <rth@cygnus.com>
6474 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6477 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6479 * cpplib.c (do_elif): Skip the rest of the line if we're
6480 not going to bother evaluating it.
6481 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6482 to avoid pointless calls to the lexer.
6484 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6486 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6488 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6490 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6492 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6494 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6496 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6498 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6499 crtend so they can be multilibbed.
6500 (STAGESTUFF): Remove s-crt and s-crtS.
6502 2000-04-07 Richard Henderson <rth@cygnus.com>
6504 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6505 if we discover we need a pseudo and no_new_pseudos is true.
6506 * config/alpha/alpha.md (ne:DI insn): New.
6507 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6509 2000-04-07 Richard Henderson <rth@cygnus.com>
6511 * rtl.def (COND_EXEC): New.
6512 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6513 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6515 * genconfig.c (have_cond_arith_flag): Remove.
6516 (have_cond_exec_flag): New.
6517 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6518 (main): Print HAVE_conditional_execution.
6520 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6521 (sched_analyze_insn, print_pattern): Likewise.
6522 * reload.c (find_equiv_reg): Likewise.
6523 * rtlanal.c (reg_referenced_p): Likewise.
6524 (note_stores, dead_or_set_regno_p): Likewise.
6525 (reg_overlap_mentioned_p): Rewrite to use a switch.
6527 * ggc.h (struct rtx_def): Forward declare.
6529 * print-rtl.c (debug_rtx_range): New.
6530 * rtl.h (debug_rtx_range): Declare.
6532 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6534 * gcse.c (gcse_main): Don't rebuild the CFG here.
6535 (delete_null_pointer_checks): Likewise.
6536 * ssa.c (convert_to_ssa): Likewise.
6537 * toplev.c (rest_of_compilation): Do it here instead. Combine
6538 sequential calls to TIMEVAR. Consistently use `insns' instead of
6539 `get_insns()'. Always split insns after reload when optimizing.
6541 * basic-block.h (merge_blocks_nomove): Declare.
6542 (tidy_fallthru_edge): Declare.
6543 * flow.c (merge_blocks_nomove): Document as merging into previous
6544 blocks. Remove cruft from between blocks; remove all edges out of A.
6545 (tidy_fallthru_edge): Export.
6547 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6549 * ssa.c (compute_conservative_reg_partition): Declare with
6551 * toplev.c (clean_dump_file): Remove previously-deleted function
6552 inadvertantly merged back in.
6553 * conflict.c (conflict_graph_add): Use a single call to
6554 htab_find_slot to look up and insert.
6556 2000-04-06 Richard Henderson <rth@cygnus.com>
6558 * genrecog.c (*): Rename _last_insn to last_insn.
6559 (make_insn_sequence): Set the position of the peephole2 C test
6560 to be at the last insn.
6562 2000-04-06 Richard Henderson <rth@cygnus.com>
6564 * flow.c (compute_flow_dominators): Free worklist.
6566 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6568 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6570 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6572 * rtl.h (INSN_P): New macro.
6573 (successor_phi_fn): New typedef.
6574 (for_each_successor_phi): New prototype.
6575 (in_ssa_form): New variable.
6576 (PHI_NODE_P): Likewise.
6577 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6578 phi nodes in successors.
6579 (mark_used_regs): Add PHI case.
6580 (set_phi_alternative_reg): New function.
6581 (life_analysis): Assert that dead code elimination is not selected
6583 * toplev.c (to_ssa_time): New variable.
6584 (from_ssa_time): Likewise.
6585 (compile_file): Zero to_ssa_time and from_ssa_time.
6586 Print time to convert to and from SSA.
6587 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6588 (print_time): Compute percent fraction as integer.
6589 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6590 (convert_to_ssa): Check if we're already in SSA.
6591 Don't eliminate dead code in life_analysis.
6592 Rerun flow and life analysis at bottom.
6593 (eliminate_phi): Use canonical regnos when adding nodes.
6594 (mark_reg_in_phi): New function.
6595 (mark_phi_and_copy_regs): Likewise.
6596 (convert_from_ssa): Rerun life analysis at top.
6597 Use coalesced partition.
6598 Check for removing a phi node at the end of the block.
6599 (compute_coalesced_reg_partition): New function.
6600 (coalesce_regs_in_copies): Likewise.
6601 (coalesce_reg_in_phi): Likewise.
6602 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6603 (for_each_successor_phi): Likewise.
6604 (rename_context): New struct.
6605 (rename_block): Use a rename_context with rename_insn_1. When
6606 renaming sets of a subreg, emit a copy of the entire reg first.
6607 (rename_insn_1): Treat data as a rename_context *. Save current
6609 (rename_set_data): Add field set_insn.
6610 * Makefile.in (HASHTAB_H): Move up in file.
6611 (OBSTACK_H): New macro.
6612 (collect2.o): Use OBSTACK_H in dependencies.
6613 (sdbout.o): Likewise.
6614 (emit-rtl.o): Likewise.
6615 (simplify-rtx.o): Likewise.
6616 (fix-header.o): Likewise.
6617 (OBJS): Add conflict.o.
6618 (conflict.o): New rule.
6619 * basic-block.h: Include partition.h.
6620 (conflict_graph): New typedef.
6621 (conflict_graph_enum_fn): Likewise.
6622 (conflict_graph_new): New prototype.
6623 (conflict_graph_delete): Likewise.
6624 (conflict_graph_add): Likewise.
6625 (conflict_graph_conflict_p): Likewise.
6626 (conflict_graph_enum): Likewise.
6627 (conflict_graph_merge_regs): Likewise.
6628 (conflict_graph_print): Likewise.
6629 (conflict_graph_compute): Likewise.
6630 * conflict.c: New file.
6632 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6634 * tlink.c (read_repo_files): Don't look for .rpo info for
6637 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6639 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6641 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6643 * config/sh/lib1funcs.asm (___udivsi3_i4):
6644 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6645 only depends on FMOVD_WORKS.
6647 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6649 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6650 make double constant 8-byte aligned.
6652 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6654 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6655 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6656 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6657 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6658 Accept storing GENERAL_REGS into offsetable memory.
6659 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6660 building a TFmode constant other than 0.0L into GENERAL_REGS.
6662 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6664 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6666 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6668 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6669 (macro_cleanup): No need to cast pbuf->macro.
6670 (collect_expansion): Use _cpp_get_define_token. Goto done if
6671 it returns VSPACE. Remove check for trailing space after
6673 (_cpp_create_definition): Don't diddle flags here. Return
6675 (unsafe_chars): Handle c1 being EOF.
6676 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6677 checks. Don't push the buffer till after we're done with
6679 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6680 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6681 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6683 (_cpp_parse_assertion): Don't NUL terminate.
6684 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6685 hspace before calling _cpp_parse_assertion. Remove all sets
6686 of only_seen_white. Treat '\f' as hspace. Don't do anything
6687 special with '\n' here.
6688 (maybe_macroexpand): Handle T_EMPTY hash entries without
6689 pushing a buffer at all.
6690 (cpp_get_token): Handle clearing only_seen_white here. Handle
6691 incrementing the line number here. Clear
6692 potential_control_macro as well as only_seen_white, if
6694 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6695 (_cpp_get_define_token): New function, basically like
6696 _cpp_get_directive_token was but doesn't eat horizontal space.
6697 Don't do anything with only_seen_white here.
6698 (_cpp_get_directive_token): Just call _cpp_get_define_token
6699 repeatedly till it returns non-hspace.
6701 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6702 (conditional_skip, skip_if_group): Return int.
6703 (DIRECTIVE_TABLE): Change origin of all conditional directives
6705 (TRAD_DIRECT_P): New macro.
6706 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6707 an error for a bogus directive, unless -lang-asm. Use
6708 TRAD_DIRECT_P. Loop calling handler functions till one returns
6710 (get_macro_name): Don't diddle flags here.
6711 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6712 Create T_EMPTY nodes for #define macro /* nothing */.
6713 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6714 Use hp->name when calling pass_thru_directive.
6715 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6716 Return the result of conditional_skip and/or skip_if_group.
6717 Don't call _cpp_output_line_command.
6718 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6719 Issue -Wtraditional warnings as appropriate. Don't complain
6720 about unrecognized directives. If we are to stop skipping,
6721 return the number of the directive that ended the skip.
6722 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6723 expansion and line commands while skipping. Return the result
6724 of consider_directive_while_skipping, if nonzero.
6725 (do_endif): Just set potential_control_macro here.
6726 (validate_else): Use _cpp_get_directive_token.
6727 (do_assert, do_unassert): Don't save pointers into the
6728 token_buffer across calls to the lexer. Use
6729 _cpp_get_directive_token.
6731 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6732 pointer, not an offset. Replace 'data', which was a generic
6733 pointer, with 'macro', which points to a struct hashnode.
6734 (cpp_reader): Add 'potential_control_macro' pointer.
6735 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6736 (CPP_BUF_GET, CPP_FORWARD): Delete.
6737 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6738 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6739 ACTIVE_MARK_P): Update.
6740 (_cpp_get_define_token): New internal function.
6741 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6743 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6745 * configure.in: And here.
6746 * configure: Regenerate.
6747 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6748 --enable-libstdcxx-v3 is passed at configure time.
6749 * config.h.in: Regenerate.
6751 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6753 * final.c (final): Use xcalloc to allocate line_note_exists.
6754 * function.c (free_after_compilation): Free the temp_slots.
6755 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6756 (combine_temp_slot): Free temp_slots when they get combined.
6757 (purge_addressof): Fix typo in comment.
6758 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6759 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6761 * ggc.h: Include varray.h.
6762 (ggc_pending_trees): Declare.
6763 (ggc_mark_tree_children): Remove declaration.
6764 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6765 * ggc-common.c (ggc_pending_trees): New variable.
6766 (ggc_mark_roots): Call ggc_mark_trees.
6767 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6768 the ggc_pending_trees.
6769 * Makefile.in (GGC_H): New variable. Use it throughout in place
6772 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6774 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6777 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6779 * sh.c (sh_insn_length_adjustment): New function.
6780 * sh-protos.h (sh_insn_length_adjustment): Declare.
6781 * sh.h (ADJUST_INSN_LENGTH): Use it.
6783 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6785 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6786 from the insn where REG_RETVAL is added.
6787 (emit_no_conflict_block): Ditto.
6789 * md.texi (Standard Names): Clarify when movX is needed.
6791 * combine.c (simplify_comparison) [MINUS]: Do not replace
6792 all (op (minus A B) 0) with (op A B).
6794 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6795 J"orn Rennecke <amylaar@cygnus.co.uk>
6797 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6798 (block_lump_real): Likewise.
6800 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6802 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6803 remaining non-zero debugging masks.
6805 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6807 * basic-block.h (verify_flow_info): Declare.
6808 (flow_loop_outside_edge_p): Declare.
6809 * flow.c (verify_flow_info): Remove declaration.
6810 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6812 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6814 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6817 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6819 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6820 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6821 seqdi_zero_trunc+1): Allow splits only if registers are
6824 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6826 * acconfig.h: Add HAVE_GAS_HIDDEN.
6827 * config.in: Regenerated.
6828 * configure.in: Add test for .hidden pseudo-op in gas.
6829 * configure: Regenerated.
6830 * crtstuff.c: Include auto-host.h.
6831 Emit additional .hidden pseudo-op for __dso_handle if the
6832 assembler knows about it.
6834 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6836 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6837 before freeing argnames.
6838 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6840 2000-04-05 Michael Meissner <meissner@redhat.com>
6842 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6843 Walton <jonboy@gordian.com> to make memory references with update
6844 work wtih -mregnames.
6846 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6848 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6849 (regrename_optimize): Rename variables `def_uses' and
6850 `ext_basic_blocks' to avoid conflicts with similarly named
6851 typedefs in traditional C.
6853 * calls.c (initialize_argument_information): Fix typo in previous
6856 2000-04-04 Richard Henderson <rth@cygnus.com>
6858 * regrename.c (consider_available): Test fixed_regs not
6859 PIC_OFFSET_TABLE_REGNUM.
6861 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6863 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6865 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6866 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6867 (ENDFILE_LINUX_SPEC): Always use crtend.
6868 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6869 (powerpc-*-linux-gnu): Likewise.
6870 * configure: Regenerate.
6872 * config/rs6000/eabi.h: Don't include sysv4.h.
6873 (MULTILIB_DEFAULTS): Don't define.
6874 * config/rs6000/eabiaix.h: Don't include eabi.h.
6875 * config/rs6000/eabile.h: Delete.
6876 * config/rs6000/eabilesim.h: Delete.
6877 * config/rs6000/eabisim.h: Don't include eabi.h.
6878 * config/rs6000/linux.h: Don't include sysv4.h.
6879 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6880 (MULTILIB_DEFAULTS): Don't redefine.
6881 * config/rs6000/rtems.h: Don't include eabi.h.
6882 * config/rs6000/sol2.h: Don't include sysv4le.h.
6883 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6884 * config/rs6000/t-ppc: Delete.
6885 * config/rs6000/t-ppcgas: Correct comment.
6886 * config/rs6000/t-ppcos: Correct comment. Don't build
6887 multilibs for -fPIC, rather use -fPIC -mstrict-align
6889 * config/rs6000/t-ppc: Delete.
6890 * config/rs6000/vxppc.h: Don't include sysv4.h.
6891 * config/rs6000/vxppcle.h: Delete.
6892 * configure.in: Use multiple header files for p2pc ELF targets
6893 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6894 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6895 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6896 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6897 always available for these platforms.
6899 2000-04-04 Richard Henderson <rth@cygnus.com>
6901 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6903 2000-04-04 Stan Cox <scox@cygnus.com>
6905 * Makefile.in: Add rules for regrename.o
6906 * regrename.c: New file.
6907 * rtl.h (regrename_optimize): Add prototype.
6908 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6909 (compile_file, decode_d_option): Add support for -frename-registers.
6910 (rest_of_compilation): Call regrename_optimize.
6911 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6914 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6916 * Makefile (gccbug): New target.
6917 (doc): Depend on it.
6918 * gcc.texi (Bugs): Link subnodes.
6920 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6921 Document severities, priorities, and classes in bug form.
6923 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6925 * cpplex.c (trigraph_map, speccase): Combine into single
6927 (NORMAL, NONTRI): New macros.
6928 (_cpp_read_and_prescan): Change to use unified table. Use
6929 is_hspace to test for whitespace.
6931 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6932 definition that doesn't provoke the "empty body in an
6933 if-statement" warning.
6935 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6937 * builtins.c (expand_builtin_strlen): Force the source to
6938 be a memory address.
6940 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6942 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6944 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6946 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6947 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6948 (ECF_IS_CONST): Rename to ECF_CONST.
6949 (special_function_p): Make static, change interface.
6950 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6951 (expand_call) ... here; convert number of variables to flags.
6952 (emit_library_call_vlue_1): Likewise.
6953 (setjmp_call_p): New function.
6954 (initialize_argument_information): Accepts flags as argument;
6956 (precompute_arguments): Likewise.
6957 * tree.h (special_function_p): Remove.
6958 (setjmp_call_p): Add prototype.
6960 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6962 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6963 so that addresses are offsetable by up to 16 bytes.
6964 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6965 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6968 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6969 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6970 (movsf): Don't force any constant to memory if target is integer
6972 Move fp_zero_operand check below the const0_rtx check.
6973 (movtf): Likewise. Also allow fp_zero_operand for stores into
6975 (movdf): Likewise. Also allow fp_zero_operand for stores into
6976 memory and into integer hard registers.
6977 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6978 movdf_const_intreg_sp64): Remove.
6979 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6981 (movdf_no_e_insn_v9_sp32): New pattern.
6982 (movdf_insn_v9only): Remove.
6983 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6984 (movdf_insn_sp64): Remove.
6985 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6986 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6987 (following splits): Rewrite conditions. Add two new splits
6988 for storing 0.0 into memory and registers.
6989 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6990 (movtf_insn_sp32): Redo constraints and conditions.
6991 (movtf_insn_vis_sp32): New pattern.
6992 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6993 (movtf_insn_hq_sp64): Likewise.
6994 (movtf_insn_hq_vis_sp64): New pattern.
6995 (movtf_insn_sp64): Redo constraints and conditions.
6996 (movtf_insn_vis_sp64): New pattern.
6997 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6998 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
7000 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
7001 -mvis or -m64 to take down the number of various reload patterns.
7003 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
7005 * pa/pa-64.h: New file.
7006 * pa/pa64-regs.h: New file.
7007 * pa/pa64-start.h: New file.
7008 * pa/t-pa64: New file.
7009 * pa/xm-pa64hpux.h: New file.
7011 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7013 * sparc.c (output_restore_regs): Prototype.
7014 (sparc_emit_float_lib_cmp): Constification.
7016 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
7018 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
7021 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
7022 (get_value_hash, hash_rtx): Likewise.
7024 * ssa.c (compute_conservative_reg_partition): Prototype.
7026 * tree.c (mark_hash_entry): Prototype.
7028 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
7030 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
7031 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
7032 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
7034 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
7035 * objc/lang-specs.h: Likewise.
7037 2000-04-03 Neil Booth <NeilB@earthling.net>
7039 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
7040 and SYNTAX_ERROR2. Replace `' in messages with ''.
7041 (op_to_str): Make re-entrant.
7042 (_cpp_parse_expr): Implement new error macros. Use | rather
7043 than || to logically or 2 boolean integers. Simply expression
7044 checking we have a left operand iff needed.
7046 2000-04-03 Nick Clifton <nickc@cygnus.com>
7048 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
7050 2000-04-03 Philip Blundell <philb@gnu.org>
7052 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
7054 2000-04-03 Felix Lee <flee@cygnus.com>
7056 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
7057 (run_shell): Use it.
7059 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
7061 * Makefile.in (stmp-int-hdrs): Make include subdir here...
7062 (stmp-fixproto): ...rather than here.
7064 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
7066 * pa.c (print_operand): Compute 'base' only inside the code paths
7069 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
7071 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
7074 2000-04-03 Philipp Thomas <pthomas@suse.de>
7076 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
7078 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
7080 * Makefile.in (alias.o): Depend on $(TREE_H).
7082 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
7084 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
7086 * cpplib.c (_cpp_handle_directive): Improve warnings for
7087 traditional C and indented directives.
7089 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
7090 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
7091 fixinc/inclhack.def: Indent the # of #include_next one space.
7092 * cp/rtti.c: Un-indent #if and #endif.
7094 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
7095 syntax error, but an error has already been printed.
7096 * cpplex.c (_cpp_parse_assertion): Give a more specific error
7097 message when called with nothing remaining on the line.
7098 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
7099 OTHER token, not an ASSERTION.
7100 * cpplib.c (do_assert): When we create a 'base' node, clear
7101 its aschain pointer.
7103 2000-04-02 Neil Booth <NeilB@earthling.net>
7105 * cppexp.c: New typedef op_t. struct operation and struct
7106 token updated to use it.
7107 (op_to_str): New function.
7108 (_cpp_parse_expr): Error messages modified to use op_to_str.
7110 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7112 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
7113 before checking MUST_PASS_IN_STACK.
7115 2000-04-02 Neil Booth <NeilB@earthling.net>
7117 * cppexp.c: New FINISHED dummy token. Combine operator initial
7118 flags and initial priority into a single constant. New
7119 EQUALITY macro. New operator flag SHORT_CIRCUIT.
7120 (_parse_cpp_expr): Implement new constants. Take left operand
7121 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
7122 parse indicated by reducing FINISHED token. Remove new lines
7123 from cpp_error messages.
7125 2000-04-01 Mark Mitchell <mark@codesourcery.com>
7127 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
7130 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
7132 * cpplib.c: Include symcat.h. Add 'origin' field to struct
7133 directive. Add origin values to DIRECTIVE_TABLE. Generate
7134 the strings and function names on the fly. Take the #sccs
7135 entry out of the table if SCCS_DIRECTIVE is not defined.
7136 (_cpp_handle_directive): Decide if the # was at the beginning
7137 of the line here. Issue -pedantic warnings for extended
7138 directives here. Warn about K+R directives with the #
7139 indented, and C89/extended directives with the # not indented,
7141 (do_import, do_include_next, do_warning, do_ident, do_sccs,
7142 do_assert, do_unassert): Don't issue pedantic warning here.
7144 * cpphash.h: Add CPP_WTRADITIONAL macro.
7145 * cpplib.h (struct cpp_options): Rename warn_stringify to
7146 warn_traditional; update comments.
7147 * cppinit.c (handle_option): Set warn_traditional not
7149 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
7150 CPP_WTRADITIONAL (pfile).
7151 * cpplex.c (_cpp_lex_token): Don't decide if directives should
7152 be ignored in -traditional mode here.
7154 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
7155 to initialize speccase[] and trigraph_map[]. Delete all
7156 references to pfile->input_speccase. Always treat '?' as a
7157 special character. Remove table-initialization code from
7158 _cpp_init_input_buffer.
7160 * cpplib.h (struct cpp_reader): Remove input_speccase field.
7161 * cppinit.c (cpp_cleanup): Don't free input_speccase.
7163 2000-04-01 Richard Henderson <rth@cygnus.com>
7165 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
7166 (mostlyclean): Likewise.
7168 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
7169 (struct dump_file_info, enum dump_file_index, dump_file): New.
7170 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7171 not a string. Clean out file if we havn't yet done so. Do nothing
7172 if the dump isn't enabled.
7173 (close_dump_file): Do nothing if the dump isn't open. Dump
7174 graph data if requested.
7175 (dump_rtl, clean_dump_file): Remove.
7176 (compile_file): Don't clean the dump files. Only finalize .bp dump
7177 if flag_test_coverage or flag_branch_probabilities. Only finalize
7178 .combine dump if optimizing. Iterate over dump_file to finalize the
7180 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7181 Convert all uses of dump_rtl.
7182 (decode_d_option): Iterate over dump_file to implement 'a' and to
7183 locate pass-specific dumps.
7185 2000-04-01 Neil Booth <NeilB@earthling.net>
7187 * cppexp.c: Redefine priority constants.
7188 (_cpp_parse_expr): Replace left and right priority scheme with
7189 single priority logic. Move LOGICAL to same place as COMPARE.
7190 Remove bogus check for multiple unary +/- operators.
7192 2000-04-01 Neil Booth <NeilB@earthling.net>
7194 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7195 within the switch statement. Binary operations break out of
7196 the switch naturally. '(' tokens handled by forcing
7197 immediate shift. ')' handled by forcing immediate reduce to
7198 the previous '('. New error messages.
7200 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7202 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7203 part', it's already in use. Use %K instead. Add a return at the
7204 end of what is now %K.
7205 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7207 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7209 * builtins.c (expand_builtin_apply): Pass proper parameters to
7210 allocate_dynamic_stack_space.
7211 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7212 update stack_pointer_delta; do not update arg_size_so_far.
7213 (compute_argument_block_size): Use stack_delta instead of
7214 stack_pointer_pending and arg_size_so_far.
7215 (expand_call): Add sanity checking for stack_pointer_delta;
7216 save and restore stack_pointer_delta for SIB, use
7217 stack_pointer_delta for alignment; do not update arg_space_so_far.
7218 (emit_library_call_value): Use stack_pointer_delta for alignment.
7219 (store_one_arg): Do not update arg_space_so_far.
7220 * explow.c (adjust_stack, anti_adjust_stack): Update
7221 stack_pointer_delta.
7222 (allocate_dynamic_stack_space): Add sanity checking for
7223 stack_pointer_delta.
7224 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7225 stack_pointer_delta.
7226 (emit_push_insn): Update stack_pointer_delta.
7227 * function.h (struct expr_status): Add x_stack_pointer_delta;
7228 remove x_arg_space_so_far.
7229 (arg_space_so_far): Remove.
7230 (stack_pointer_delta): New macro.
7232 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7234 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7235 Reorder struct cpp_options and struct cpp_reader for better
7236 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7237 takes two args. Change all 'char' flags to 'unsigned char'.
7238 Move show_column flag into struct cpp_options. Don't
7239 prototype cpp_options_init.
7240 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7241 cppinit.c, cpplex.c, cpplib.c:
7242 Replace CPP_OPTIONS (pfile)->whatever with
7243 CPP_OPTION (pfile, whatever), and likewise for
7244 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7246 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7247 Extract CPP_OPTION (pfile, pending) and work with that
7249 (cpp_options_init): Delete.
7250 (cpp_reader_init): Turn on on-by-default options here.
7251 Allocate the pending structure here.
7252 (cl_options, enum opt_code): Define these from the same table,
7253 kept in a large macro. Add -fshow-column and -fno-show-column
7256 * cpperror.c (v_message): If show_column is off, don't print
7259 * cppmain.c: Update for new interface.
7260 * fix-header.c: Likewise.
7262 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7264 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7266 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7267 are passed to any invocation of AR_FOR_TARGET.
7268 (AR_CREATE_FOR_TARGET): New macro.
7269 (AR_EXTRACT_FOR_TARGET): New macro.
7270 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7271 AR_EXTRACT_FOR_TARGET.
7272 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7273 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7274 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7275 AR_EXTRACT_FOR_TARGET to sub-makes.
7277 2000-03-31 Neil Booth <NeilB@earthling.net>
7279 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7281 (_cpp_parse_expr): Check for multiple unary +/- operators.
7282 Correct priorities of ':' and '?'. Treat ')' as having a
7283 value. Ensure conditional expression is not void.
7285 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7287 * alias.c (canon_rtx): Make it global.
7288 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7290 * cse.c (struct table_elt): Add canon_exp.
7292 (invalidate): Canonicalize expressions only once.
7293 * rtl.h (canon_rtx): Declare.
7295 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7297 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7298 * alias.c (reg_known_value): Add comments.
7299 (init_alias_analysis): Likewise.
7300 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7302 (cse_basic_block): Fix typo in comment.
7303 * emit-rtl.c: Include hashtab.h.
7304 (const_int_htab): New variable.
7305 (const_int_htab_hash): New function.
7306 (const_int_htab_eq): Likewise.
7307 (rtx_htab_mark_1): Likewise.
7308 (rtx_htab_mark): Likewise.
7309 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7310 (unshare_all_rtx): Fix formatting.
7311 (init_emit_once): Initialize const_int_htab.
7312 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7314 * rtl.texi: Document the fact that all CONST_INTs with the same
7317 2000-03-30 Richard Henderson <rth@cygnus.com>
7319 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7321 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7323 * configure.in: Comment out --enable-c-cpplib stanza.
7324 * configure: Regenerate.
7326 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7328 * expr.c (store_constructor): Properly compute displacement and
7329 alignment when offset is variable.
7331 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7332 cases of alignment in bytes.
7334 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7336 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7337 since it is used to generate c-parse.y.
7338 * objc-parse.c, objc-parse.y: Regenerated.
7340 * function.c (expand_function_end): Pass alignment argument to
7341 emit_block_move in bits, not bytes.
7343 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7345 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7348 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7350 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7351 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7352 * function.c (assign_parms): Likewise.
7353 * integrate.c (expand_inline_function): Likewise.
7354 * stmt.c (expand_decl): Likewise.
7355 (copy_rtx_and_substitute): Likewise.
7356 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7357 (clear_by_pieces): Fix error in last change.
7358 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7359 * function.h (regno_pointer_align): Now unsigned.
7360 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7362 * config/i386/i386.c (aligned_operand): Likewise.
7363 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7364 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7365 (unaligned_memory_operand): Likewise.
7366 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7367 Also make alignments and sizes unsigned and some whitespace cleanup.
7368 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7370 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7371 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7372 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7373 (expand_builtin_memset): Likewise, but to clear_storage.
7374 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7375 (restore_fixed_argument_area): Likewise.
7376 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7377 (load_register_parameters): Likewise, to emit_group_load.
7378 (expand_call): Likewise, to emit_group_store and emit_block_move.
7379 (emit_library_call_value_1): Likewise, to emit_block_move.
7380 (store_one_arg): Likewise, and to emit_push_insn.
7381 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7382 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7383 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7384 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7385 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7386 (expand_assigment, store_expr, store_constructor_field): Likewise.
7387 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7388 (store_constructor, store_field, get_inner_reference): Likewise.
7389 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7390 (expand_expr, case COMPONENT_REF): Likewise.
7391 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7392 and positions; reindent code.
7393 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7394 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7395 (assign_parms): Likewise to emit_group_store.
7396 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7397 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7398 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7399 (expand_return): Likewise to {extract,store}_bit_field.
7400 * stor-layout.c (get_mode_alignment): Minor cleanup.
7401 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7402 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7404 2000-03-29 Nick Clifton <nickc@cygnus.com>
7406 * config/arm/arm.h: Undo effects of previous delta:
7407 (ASM_SPEC): Do not define.
7408 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7410 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7413 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7415 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7416 only after reading in the primary source file.
7418 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7420 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7421 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7422 or a reference to a va_list.
7423 * builtins.c (stabilize_va_list): Simplify now we don't have to
7424 work around C array address decay.
7425 * c-typeck.c (convert_for_assignment): Handle assignment to
7426 a reference parameter by taking the address of the RHS.
7427 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7428 (va_copy): Likewise.
7429 (__va_copy): Likewise.
7430 * ginclude/varargs.h (va_start): Likewise.
7431 (__va_copy): Likewise.
7433 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7435 * i386/djgpp.h: Remove extraneous "+".
7437 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7439 * calls.c (expand_call): Fix typo in last change.
7441 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7443 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7446 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7448 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7449 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7450 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7451 * tree.c (bit_position, byte_position): Likewise.
7452 * tree.h: Declare new functions.
7454 2000-03-29 Nick Clifton <nickc@cygnus.com>
7456 * config/arm/arm.c: Minor formatting changes/
7457 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7459 (ASM_SPEC): Define if not already defined.
7461 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7463 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7466 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7468 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7469 value, don't output it as unsigned.
7471 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7473 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7475 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7477 * c-common.c (c_common_nodes_and_builtins): Don't special case
7478 cplus_mode when declaring builtin bzero/bcmp, always avoid
7479 prototype arguments.
7481 2000-03-29 Bruce Korb <bkorb@gnu.org>
7483 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7486 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7488 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7489 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7490 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7491 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7492 (save_fixed_argument_area, restore_fixed_argument_area):
7493 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7494 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7495 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7496 (precompute_register_parameters): Avoid #ifdefs on
7497 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7498 (stire_one_args): Likewise.
7499 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7500 (emit_library_call_value_1): Likewise.
7501 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7502 ACCUMULATE_OUTGOING_ARGS.
7503 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7505 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7506 (use_crosses_set_p): Likewise.
7507 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7508 #define ACCUMULATE_OUTGOING_ARGS 1.
7509 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7511 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7513 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7514 (TARGET_SWITCHES): Add push-args, no-push-args,
7515 accumulate-outgoing-args and no-accumulate-outgoing-args.
7516 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7517 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7518 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7520 (emit_push_insn): Likewise.
7521 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7522 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7523 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7524 (STACK_DYNAMIC_OFFSET): Define correctly for both
7525 ACCUMULATE_OUTGOING_ARGS and normal mode.
7526 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7527 * tm.texi (PUSH_ARGS): Document.
7528 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7530 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7532 * flags.h (flag_optimize_sibling_calls): Declare.
7533 * calls.c (expand_call): Fail sibcall when
7534 !flag_optimize_sibling_calls
7535 * invoke.texi (flag_optimize_sibling_calls): Document.
7536 * toplev.c (flag_optimize_sibling_calls): New global variable.
7537 (f_options): Add flag_optimize_sibling_calls.
7538 (rest_of_compilation): Conditionize
7539 optimize_sibling_and_tail_recursive_calls by
7540 flag_optimize_sibling_calls.
7541 (main): Set flag_optimize_sibling_calls for -O2.
7542 * stmt.c (expand_return): Conditionize tail recursion by
7543 flag_optimize_sibling_calls.
7545 2000-03-29 Richard Henderson <rth@cygnus.com>
7547 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7548 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7550 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7552 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7554 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7556 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7558 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7559 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7560 * config/rs6000/aix.h: then modified likewise.
7562 2000-03-28 Richard Henderson <rth@cygnus.com>
7564 * rtl.h: Redistribute enum reg_note documentation.
7565 Kill trailing whitespace.
7566 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7567 Kill trailing whitespace.
7569 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7571 * cppfiles.c (hash_IHASH): Just return i->hash.
7572 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7573 htab_find_with_hash.
7574 (cpp_read_file): Likewise.
7575 (find_include_file): Likewise. Properly initialize
7576 ih->nshort. Share ih->name and ih->nshort if possible.
7577 * cpphash.c (_cpp_calc_hash): New function.
7578 (hash_HASHNODE): Just return h->hash.
7579 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7580 htab_find_with_hash.
7581 * cpphash.h: Prototype _cpp_calc_hash.
7582 * cppinit.c (initialize_builtins): Provide a valid hash
7583 to _cpp_make_hashnode, using _cpp_calc_hash.
7585 * cpphash.c (collect_expansion): # is not a special character
7586 in object-like macros. In -traditional mode, /**/ is not
7587 token paste at the beginning or end of the line.
7588 * cpplib.c (do_include, do_import, do_include_next): If
7589 parse_include fails, return immediately.
7591 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7593 * config/arm/arm.md (return peepholes): Update to reflect the new
7595 * config/arm/arm.c (arm_volatile_func): Also check
7596 current_function_nothrow.
7597 (output_return_instruction, output_func_prologue): Use it.
7598 (arm_output_epilogue, arm_expand_prologue): Likewise.
7600 2000-03-27 Tom Tromey <tromey@cygnus.com>
7602 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7605 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7607 * expr.c (store_constructor): SIZE now signed.
7608 For EXPR_SIZE, don't evaluate size; just needed if constant.
7609 * fold-const.c (fold): Fix a number of cases when folded tree is
7611 * function.c (flush_addressof): Reenable.
7612 * tree.h (flush_addressof): Likewise.
7613 * toplev.c (independent_decode_option): Look at strings_processed.
7614 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7616 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7618 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7619 Allow stack adjustment after function call.
7621 * regmove.c (struct csa_memlist): Make mem field rtx *.
7622 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7623 (try_apply_stack_adjustment): Replace whole MEM rtx.
7624 (combine_stack_adjustments_for_block): Update calls
7625 to record_one_stack_ref.
7627 2000-03-28 Neil Booth <NeilB@earthling.net>
7629 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7630 '\\' rather than a null character, so nulls are not special. Fix
7631 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7632 speed trigraph conversion.
7633 (_cpp_init_input_buffer): Initialize trigraph map.
7635 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7637 * config/i386/i386.c (output_387_binary_op): Correct intel
7638 mode assembly output, and add spaces after commas in AT&T
7639 output. Correct Unixware assembler comment. Document input
7640 constraints. Comment fp operations. Reduce profligate buffer
7641 size. Remove extraneous abort. Localize temp var.
7642 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7643 (output_fix_trunc): Add spaces after commas in assembly output.
7645 2000-03-27 Richard Henderson <rth@cygnus.com>
7647 * i386-protos.h (ix86_match_ccmode): Declare.
7648 * i386.c (ix86_match_ccmode): New.
7649 (ix86_expand_fp_compare): Update for pattern renames.
7650 (ix86_expand_strlensi_unroll_1): Likewise.
7651 * i386.h (EXTRA_CC_MODES): Add CCZ.
7652 (SELECT_CC_MODE): Use it for EQ/NE zero.
7653 * i386.md (cmpsi_ccz_1): New.
7655 (*testsi_ccz_1): New.
7656 (testqi_ccz_1): New.
7657 (cmpsi_ccno_1): Rename from cmpsi_0.
7658 (testsi_ccno_1): Rename from testsi_1.
7659 (testqi_ccno_1): Rename from testqi_1.
7660 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7661 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7662 (*cmphi_0): Use ix86_match_ccmode.
7663 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7664 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7665 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7666 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7667 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7668 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7669 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7670 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7671 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7672 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7673 (appropriate peepholes): Likewise.
7674 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7675 (*subsi_3, *subhi_3, *subqi_3): Remove.
7676 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7677 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7678 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7679 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7680 (x86_shift_adj_1): Use CCZ.
7681 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7683 2000-03-27 Stan Cox <scox@cygnus.com>
7685 * resource.h (mark_resource_type): New.
7686 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7687 find_free_register): Use mark_resource_type.
7688 (mark_set_resources): Change include_delayed_effects
7689 to mark_resource_type.
7690 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7691 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7692 Use mark_resource_type.
7694 2000-03-27 Richard Henderson <rth@cygnus.com>
7696 * i386.md (call_pop_0, call_value_pop_0): New.
7697 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7698 (call_value_pop_1): Likewise.
7699 (call_0, call_value_0): New.
7700 (call_1, call_value_1): Remove constraint from unused arg.
7702 2000-03-27 Nick Clifton <nickc@cygnus.com>
7704 * invoke.texi (Spec Files): Document new spec % command created by
7705 Tom Tromey's recent patch.
7707 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7709 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7712 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7714 * expr.c (expand_assignment): Fix typo in last change.
7716 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7718 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7720 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7721 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7722 and DECL_INLINE if FUNCTION_DECL.
7723 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7724 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7725 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7726 (combine_parm_decls): Likewise.
7727 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7728 * print-tree.c (print_node): Likewise.
7729 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7730 DECL_TRANSPARENT_UNION on proper decl types.
7731 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7732 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7733 DECL_BIT_FIELD of FIELD_DECL.
7734 * tree.h (DECL_RESULT_FLD): New macro.
7736 * expr.c (expand_assignment): Add code to handle variable-sized
7739 2000-03-26 Richard Henderson <rth@cygnus.com>
7741 * calls.c (expand_call): Pass parms not original exp to
7742 optimize_tail_recursion. Mind return value instead of looking
7744 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7745 call_expr. Move checks for call_expr and current_function_decl ...
7746 (expand_return): ... here.
7748 2000-03-26 Tom Tromey <tromey@cygnus.com>
7750 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7751 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7753 (process_command): Use them.
7754 (check_live_switch): Likewise.
7755 (give_switch): Skip ignored switches.
7757 2000-03-26 Jan Hubicka <jh@suse.cz>
7759 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7760 for minimal jump pass test.
7762 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7764 * integrate.c (function_cannot_inline_p): Do inline functions that
7767 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7769 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7770 now a list of TREE_LIST entries, not types.
7771 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7773 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7774 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7776 * config/mips/mips.c (function_arg): Likewise; also remove cast
7777 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7778 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7779 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7780 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7781 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7782 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7783 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7784 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7785 num_adjusts now unsigned.
7786 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7787 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7789 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7790 as is BITPOS variable; use host_integerp and int_bit_position.
7791 (function_arg_record_value_2): Likewise.
7792 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7793 Variable REGNO now unsigned.
7794 (function_arg_record_value): NREGS now unsigned.
7796 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7798 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7800 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7802 * Rework fields used to describe positions of bitfields and
7803 modify sizes to be unsigned and use HOST_WIDE_INT.
7804 * alias.c (reg_known_value_size): Now unsigned.
7805 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7806 (really_start_incremental_init): Use bitsize_zero_node.
7807 (push_init_level, pop_init_level, output_init_element): Likewise.
7808 Use bitsize_unit_node and bitsize_one_node.
7809 (output_pending_init_elements, process_init_element): Likewise.
7810 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7811 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7812 HOST_WIDE_INT, respectively.
7813 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7814 (num_sign_bit_copies): Returns unsigned.
7815 BITWIDTH now unsigned; rework arithmetic.
7816 Remove recursive call from arg to MAX.
7817 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7818 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7820 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7821 (find_split_point, expand_compound_operation, make_extraction): LEN
7822 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7823 (make_field_assignment): Likewise.
7824 (combine_simplify_rtx): Add cast.
7825 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7826 (force_to_mode): WIDTH now unsigned; add cast.
7827 (if_then_else_cond): SIZE now unsigned.
7828 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7829 (extended_count): Now returns unsigned.
7830 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7831 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7832 (simplify_comparison): MODE_WIDTH now unsigned.
7833 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7834 (mark_used_regs_combine): Likewise; rework arithmetic.
7835 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7836 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7837 (record_promoted_value): REGNO now unsigned.
7838 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7839 (get_last_value): REGNO now unsigned.
7840 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7841 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7842 (remove_death): Arg REGNO now unsigned.
7843 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7844 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7846 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7847 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7848 (struct cse_reg_info): REGNO now unsigned.
7849 (cached_regno): Now unsigned.
7850 (REGNO_QTY_VALID_P): Add cast.
7851 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7852 (remove_invalid_regs): Likewise.
7853 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7854 as are variables END and I.
7855 (get_cse_reg_info, insert): Likewise.
7856 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7857 (canon_hash): Likewise.
7858 (insert_regs, lookup_for_remove): REGNO now unsigned.
7859 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7861 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7862 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7863 * emit-rtl.c (subreg_realpart_p): Add cast.
7864 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7865 (operand_subword_force): Arg I is now unsigned.
7866 * except.c (eh_regs): Variable I is now unsigned.
7867 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7868 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7869 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7870 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7871 (extract_split_bit_field, store_bit_field, extract_bit_field):
7873 * expr.c (store_constructor_fields, store_constructor, store_field):
7874 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7875 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7876 (do_jump): Likewise.
7877 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7878 MAX_SIZE is now unsigned.
7879 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7880 (emit_group_store): Likewise.
7881 (emit_move_insn): I now unsigned.
7882 (store_constructor): Use host_integerp, tree_low_cst, and
7884 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7885 Rework all calculations to use trees and new fields.
7886 * expr.h (promoted_input_arg): Regno now unsigned.
7887 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7888 (mark_seen_cases): Arg is HOST_WIDE_INT.
7889 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7890 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7891 precisions and alignments are unsigned.
7892 (optimize_bit_field_compare, fold_truthop): Likewise.
7893 (int_const_binop): Adjust threshold for size_int_type_wide call.
7894 (fold_convert): Likewise.
7895 (size_int_type_wide): Make table larger and fix thinko that only
7896 had half of table used.
7897 (all_ones_mask_p, fold): Precisions are unsigned.
7898 * function.c (put_reg_info_stack): REGNO is unsigned.
7899 (instantiate_decl): Size is HOST_WIDE_INT.
7900 (instantiate_virtual_regs): I is unsigned.
7901 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7902 (promoted_input_arg): REGNO is unsigned.
7903 * function.h (struct function): x_max_parm_reg is now unsigned.
7904 * gcse.c (max_gcse_regno): Now unsigned.
7905 (struct null_pointer_info): min_reg and max_reg now unsigned.
7906 (lookup_set, next_set): REGNO arg now unsigned.
7907 (compute_hash_table): REGNO and I now unsigned.
7908 (handle_avail_expr): regnum_for_replacing now unsigned.
7909 (cprop_insn): REGNO now unsigned.
7910 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7911 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7912 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7913 * hard-reg-set.h (reg_class_size): Now unsigned.
7914 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7915 * jump.c (mark_modified_reg): I now unsigned; add cast.
7916 (rtx_equal_for_thread_p): Add cast.
7917 * loop.c (max_reg_before_loop): Now unsigned.
7918 (struct_movable): REGNO now unsigned.
7919 (try_copy_prop): REGNO arg unsigned.
7920 (regs_match_p): XN and YN now unsigned.
7921 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7922 (strength_reduce): Likewise; NREGS also unsigned.
7923 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7924 * loop.h (struct iv_class): REGNO now unsigned.
7925 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7927 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7928 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7929 * optabs.c (expand_binop): I and NWORDS now unsigned.
7930 (expand_unop): I now unsigned.
7931 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7932 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7933 * real.c (significand_size): Now returns unsigned.
7934 * real.h (significand_size): Likewise.
7935 * regclass.c (reg_class_size): Now unsigned.
7936 (choose_hard_reg_mode): Both operands now unsigned.
7937 (record_reg_classes): REGNO and NR now unsigned.
7938 (reg_scan): NREGS now unsigned.
7939 (reg_scan_update): old_max_regno now unsigned.
7940 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7941 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7942 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7943 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7944 Likewise for variable R.
7945 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7946 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7947 (find_equiv_reg): Add casts.
7948 (regno_clobbered_p): Arg REGNO now unsigned.
7949 * reload.h (struct reload): NREGS now unsigned.
7950 (refers_to_regno_for_reload_p): Regno args are unsigned.
7951 (regno_clobbered_p): Likewise.
7952 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7953 (compute_use_by_pseudos): REGNO now unsigned.
7954 (find_reg): I and J now unsigned, new variable K, and change loop
7955 variables accordingly; THIS_NREGS now unsigned.
7956 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7957 (spill_hard_reg): REGNO arg now unsigned; add casts.
7958 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7959 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7960 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7961 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7962 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7963 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7964 (emit_reload_insns): REGNO now unsigned.
7965 (reload_cse_move2add): Add cast.
7966 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7968 * resource.c (mark_referenced_resources, mark_set_resources): New
7969 variable R; REGNO and LAST_REGNO now unsigned.
7970 (mark_target_live_regs): J and REGNO now unsigned.
7971 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7972 * rtl.h (union rtunion_def): New field rtuint.
7973 (XCUINT): New macro.
7974 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7975 (operand_subword, operand_subword_force): Word number is unsigned.
7976 (choose_hard_reg_mode): Operands are unsigned.
7977 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7978 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7979 (regno_use_in, combine_instructions, remove_death): Likewise.
7980 (reg_scan, reg_scan_update): Likewise.
7981 (extended_count): Return is unsigned.
7982 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7983 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7984 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7985 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7986 (reg_reg_last_1): FIRS and LAST now unsigned.
7987 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7988 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7990 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7991 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7992 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7993 (replace_regs): Arg NREGS now unsigned.
7994 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7995 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7996 (simplify_binary_operation): Likewise.
7997 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7998 THIS_LAST now unsigned.
7999 (cselib_record_set): Add cast.
8000 * ssa.c (ssa_max_reg_num): Now unsigned.
8001 (rename_block): REGNO now unsigned.
8002 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
8004 (all_cases_count): Just return -1 not -2.
8005 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
8006 Rework tests to use trees whenever possible.
8007 Use host_integerp and tree_low_cst.
8008 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
8009 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
8010 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
8011 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
8012 (smallest_mode_for_size): Likewise.
8013 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
8014 KNOWN_ALIGN is now an alignment, so simplify code.
8015 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
8016 (start_record_layout): Renamed from new_record_layout_info.
8017 Update to new fields.
8018 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
8020 (place_union_field): Renamed from layout_union_field.
8021 Update to use new fields in rli.
8022 (place_field): Renamed from layout_field.
8023 Major rewrite to use new fields in rli; pass alignment to layout_decl.
8024 (finalize_record_size): Rework to use new fields in rli and handle
8026 (compute_record_mode): Rework to simplify and to use new DECL fields.
8027 (finalize_type_size): Make rounding more consistent.
8028 (finish_union_layout): Deleted.
8029 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
8030 (layout_type, case RECORD_TYPE): Call new function names.
8031 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
8032 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
8033 (get_best_mode): UNIT is now unsigned; remove casts.
8034 * tree.c (bit_position): Compute from new fields.
8035 (byte_position, int_byte_position): New functions.
8036 (print_type_hash_statistics): Cast to remove warning.
8037 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
8038 (build_index_type): Likewise; make subtype of sizetype.
8039 (build_index_2_type): Pass sizetype to build_range_type.
8040 (build_common_tree_nodes): Use size_int and bitsize_int to
8041 initialize nodes; add bitsize_{zero,one,unit}_node.
8042 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
8043 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
8044 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
8045 (DECL_FIELD_BITPOS): Deleted.
8046 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
8047 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
8048 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
8049 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
8050 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
8051 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
8052 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
8053 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
8054 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
8055 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
8056 (DECL_ALIGN): Adjust to new field in union.
8057 (DECL_OFFSET_ALIGN): New field.
8058 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
8059 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
8060 (union tree_decl): Add struct for both aligns.
8061 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
8062 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
8063 (struct record_layout_info): Rework fields to have offset
8064 alignment and byte and bit position.
8065 (start_record_layout, place_field): Renamed from old names.
8066 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
8067 (byte_position, int_byte_position): Likewise.
8068 (get_inner_reference): Change types of position and length.
8069 * unroll.c (unroll_loop): New variable R; use for some loops.
8070 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
8071 (calculate_giv_inc): Arg REGNO now unsigned.
8072 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
8073 * varasm.c (assemble_variable): Clean up handling of size using
8074 host_integerp and tree_low_cst.
8075 (decode_addr_const): Use byte, not bit, position.
8076 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
8077 use tree_low_cst and int_bit_position.
8078 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
8080 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
8082 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
8083 (reorder_block_def): New members eff_head and eff_end.
8084 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
8085 (verify_insn_chain): New function.
8086 (skip_insns_between_block): Add code to skip deleted insns.
8087 Check for note before using.
8088 (chain_reorder_blocks): Replace calls to skip_insns_between_block
8089 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
8090 Check for note before using.
8091 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
8092 (fixup_reorder_chain): Restructure, clean up, defect removal.
8093 (reorder_basic_blocks): Remove last_insn and references to it.
8094 Moved insn chain verification code into a new function (see above).
8095 Delete defective code that sets last insn.
8096 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
8099 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8101 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
8103 2000-03-24 Richard Henderson <rth@cygnus.com>
8105 * tree.c (lang_safe_for_unsave): Remove.
8106 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
8107 allowing for two levels of unsafeness. Remove lang hook.
8108 * tree.h: Update declarations.
8109 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
8110 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
8111 Always fail sibcalls when there are pending cleanups.
8113 2000-03-24 Geoff Keating <geoffk@cygnus.com>
8115 * flow.c (propagate_block): When we delete an ADDR_VEC,
8116 also delete the BARRIER following it if there is one.
8118 2000-03-24 Richard Henderson <rth@cygnus.com>
8120 * builtins.c (expand_builtin_bzero): Convert `length' argument
8123 2000-03-24 Jakub Jelinek <jakub@redhat.com>
8125 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
8126 comparison if regno's are equal.
8127 * calls.c (initialize_argument_informat): Add ecf_flags argument.
8128 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8129 (expand_call): Update caller.
8130 Avoid making a sibling call if argument size of the callee is larger
8131 than argument size of the caller.
8132 Call hard_function_value with outgoing set if in sibcall pass.
8133 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8135 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
8136 Change LEAF_REGISTERS from an array initializer to actual array
8137 identifier. Move static global variable into the function.
8138 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
8139 sequences for leaf functions.
8140 * global.c (global_alloc): Likewise.
8141 * tm.texi (LEAF_REGISTERS): Update documentation.
8143 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
8144 TARGET_FLAT leaf disabling hack.
8145 (LEAF_REGISTERS): Changed from an array initializer to actual array
8146 identifier to avoid duplication and remove the above hack.
8147 (FUNCTION_OK_FOR_SIBCALL): Define.
8148 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
8149 always like call attribute.
8150 (eligible_for_sibcall_delay): New attribute.
8151 (sibcall): New delay type.
8152 (sibcall, sibcall_value, sibcall_epilogue): New expands.
8153 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
8154 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
8155 * config/sparc/sparc.c (sparc_leaf_regs): New array.
8156 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
8158 (output_function_epilogue): Move part of the code into
8159 output_restore_regs.
8160 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
8162 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
8165 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
8166 until infrastructure is finished.
8168 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8170 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8171 (save_parm_insns): Not here.
8173 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8175 * builtins.c (expand_builtin_bzero): New function.
8176 (expand_builtin): Handle bzero.
8178 * builtins.def: Add BUILT_IN_BZERO.
8180 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8181 prototype & function for bzero.
8183 2000-03-23 Michael Meissner <meissner@redhat.com>
8185 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8186 change adding TARGET_FP to the TF floating point insns, except for
8187 trunctfsf2, which generates direct calls to truncdfsf2.
8189 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8191 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8192 try to protect against middle-end changes that break binary
8194 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8196 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8198 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8200 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8202 * calls.c (expand_call): If TARGET is passed by reference and
8203 is readonly, write a CLOBBER.
8205 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8207 * builtins.c (expand_builtin): Handle bcmp.
8209 * builtins.def: Add BUILT_IN_BCMP.
8211 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8212 prototype & function for bcmp.
8214 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8216 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8217 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8218 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8220 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8222 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8223 alternative when using -fp64 -gp32.
8225 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8227 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8228 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8229 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8231 * frame.h (frame_state): Revert last change.
8232 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8233 * libgcc2.c (throw_helper): Revert last change.
8235 2000-03-22 Richard Henderson <rth@cygnus.com>
8237 * stmt.c (expand_asm_operands): Don't promote the temporary.
8239 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8241 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8242 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8243 c_get_alias_set): Likewise.
8244 * c-decl.c (duplicate_decls): Likewise.
8245 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8246 * calls.c (initialize_argument_information): Likewise.
8247 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8249 * dwarfout.c (decl_class_context,output_type): Likewise.
8250 * expr.c (get_inner_reference): Likewise.
8251 * fold-const.c (simple_operand_p,fold): Likewise.
8252 * function.c (aggregate_value_p): Likewise.
8253 * stmt.c (expand_asm_operands): Likewise.
8254 * varasm.c (named_section): Likewise.
8256 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8258 Implement dwarf2 exception handling for the ARM.
8259 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8260 (DWARF_FRAME_RETURN_COLUMN): Define.
8261 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8262 REG_FRAME_RELATED_EXPR note.
8263 (emit_sfm): Likewise.
8264 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8265 * dwarf2out.c (reg_save): Handle saving a register to itself.
8266 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8267 * except.c (eh_regs): Don't use the static chain reg if it's
8269 * frame.h (frame_state): Add cfa_saved field.
8270 * frame.c (execute_cfa_insn): Set it.
8271 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8273 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8275 (instantiate_virtual_regs): Adjust.
8277 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8278 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8279 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8281 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8282 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8284 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8286 * builtins.def: New file.
8288 * Makefile.in (TREE_H): Depend on builtins.def.
8290 * builtins.c (built_in_names): Use builtins.def.
8292 * tree.h (built_in_function): Likewise.
8294 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8296 * tree.c (size_in_bytes): Return size_zero_node, not
8299 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8301 * config/fp-bit.c (pack_d): Correct the case when a denormal
8302 is rounded up and stops being denormal.
8304 2000-03-21 Richard Henderson <rth@cygnus.com>
8306 * config/alpha/alpha.c (function_arg): Check for void_type_node
8307 before using MUST_PASS_IN_STACK.
8309 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8311 * regmove.c (combine_stack_adjustments_for_block): Check that
8312 the stack pointer is a valid memory address.
8314 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8316 * calls.c: re-install Mar 16 emit_library_call merge.
8318 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8320 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8321 we cannot be sure that if reload_completed base register will
8322 be properly aligned.
8324 2000-03-21 Richard Henderson <rth@cygnus.com>
8326 * flow.c (delete_block): Fix typo last change.
8328 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8330 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8331 not COMPLETE_TYPE_P, to check the type of the expression.
8333 2000-03-21 Michael Meissner <meissner@redhat.com>
8335 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8336 all floating point insns that just tested the macro
8337 TARGET_HAS_XFLOATING_LIBS.
8338 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8339 used to only use the gprs.
8341 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8343 * tree.h (COMPLETE_TYPE_P): New macro.
8344 (COMPLETE_OR_VOID_TYPE_P): New macro.
8345 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8346 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8347 * c-aux-info.c (gen_type): Use them.
8348 * c-common.c (c_expand_expr_stmt): Likewise.
8349 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8350 grokdeclarator, grokparms, finish_struct, start_function,
8351 store_parm_decls, combine_parm_decls): Likewise.
8352 * c-parse.y (cast_expr): Likewise.
8353 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8354 c_size_in_bytes, c_alignof, build_component_ref,
8355 build_indirect_ref, build_array_ref, convert_arguments,
8356 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8357 * calls.c (initialize_argument_information): Likewise.
8358 * convert.c (convert_to_integer): Likewise.
8359 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8360 * dwarfout.c (location_or_const_value_attribute,
8361 output_enumeration_type_die, output_structure_type_die,
8362 output_union_type_die, output_type): Likewise.
8363 * expr.c (safe_from_p, expand_expr): Likewise.
8364 * function.c (assign_parms): Likewise.
8365 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8366 * tree.c (build_array_type, build_function_type,
8367 build_method_type, build_offset_type, build_complex_type): Likewise.
8368 * c-parse.c, c-parse.h: Regenerated.
8370 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8372 * config/c4x/rtems.h: Include config/rtems.h.
8374 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8376 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8377 decl is a FUNCTION_DECL
8379 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8381 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8382 function uses output registers. Don't save RP for leaf functions.
8383 Do save RP even if no epilogue.
8384 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8385 (CALL_USED_REGISTERS): Unmark in registers.
8386 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8389 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8391 * config/rs6000/rs6000.md (bunordered): New expander.
8392 (bordered): New expander.
8393 (buneq): New expander.
8394 (bunge): New expander.
8395 (bungt): New expander.
8396 (bunle): New expander.
8397 (bunlt): New expander.
8398 (bltgt): New expander.
8400 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8401 (ccr_bit_negated_p): New function.
8402 (print_operand): For %C, generate appropriate cror for UNEQ,
8403 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8405 2000-03-20 Andreas Jaeger <aj@suse.de>
8407 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8410 * tree.h (safe_for_unsave): Prototype.
8412 2000-03-20 Richard Henderson <rth@cygnus.com>
8414 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8415 (combine_stack_adjustments_for_block): Don't allow sp references
8416 in the side of a set we're not fixing up.
8417 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8418 after life_analysis.
8420 2000-03-20 Richard Henderson <rth@cygnus.com>
8422 * calls.c (expand_call): Don't bother generating tail call
8423 sequences if there are pending cleanups. Use
8424 expand_start_target_temps/expand_end_target_temps to elide
8425 cleanups created during sibcall expansion.
8427 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8429 * configure.in: Set $IFS to a value if it doesn't already have one
8430 in the --enable-checking handling.
8431 * configure: Regenerate.
8433 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8435 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8436 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8439 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8441 * jump.c (delete_noop_moves): Remove code attempting to
8442 combine stack adjustments.
8444 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8446 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8447 * except.c (emit_cleanup_handler): Use them.
8448 (expand_end_all_catch): Likewise.
8449 * function.c (fixup_var_refs): Likewise.
8450 (expand_function_end): Clear catch_clauses_last.
8451 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8452 * except.h (struct eh_status): New field x_catch_clauses_last.
8453 (catch_clauses_last): New define.
8455 * Makefile.in (tree.o): Depend on HASHTAB_H.
8456 * tree.c: Include hashtab.h.
8457 (struct type_hash): Remove next field.
8458 (TYPE_HASH_SIZE): Remove.
8459 (TYPE_HASH_INITIAL_SIZE): New define.
8460 (type_hash_table): Change type to htab_t.
8461 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8462 mark_hash_entry): New functions.
8463 (init_obstacks): Allocate type hash.
8464 (type_hash_lookup): Use htab functions.
8465 (type_hash_add, mark_type_hash): Likewise.
8466 (dump_tree_statistics): Call print_type_hash_statistics.
8468 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8470 * rs6000/t-aix41: New file.
8472 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8474 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8476 * tm.texi (Driver): Fix typos and tweak entry for
8478 Move misplaced STRUCT_FORCE_BLK entry ...
8479 (Storage Layout): ... to here.
8480 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8482 2000-03-19 Richard Henderson <rth@cygnus.com>
8484 * flow.c (delete_block): Delete the addr_vec along with the block.
8485 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8488 * fold-const.c (extract_muldiv): Apply type check for defined
8489 overflow to multiply as well as divide.
8491 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8493 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8495 * emit-rtl.c (remove_unncessary_notes): Check that all
8496 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8497 associated NOTE_BLOCK.
8498 * function.h (identify_blocks): Update comments.
8499 (reorder_blocks): Declare.
8500 * function.c (identify_blocks): Don't take paramters.
8501 (reorder_blocks): Don't take parameters.
8502 * loop.h (find_loop_tree_blocks): Remove.
8503 (unroll_block_trees): Likewise.
8504 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8505 reorder_blocks instead of unroll_block_trees.h
8506 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8507 * stmt.c (find_loop_tree_blocks): Remove.
8508 (unroll_block_trees): Likewise.
8509 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8510 in whole-function mode.
8511 * tree.h (reorder_blocks): Remove declaration.
8513 * expr.c: Include intl.h.
8514 * Makefile.in (expr.o): Depend on intl.h.
8516 2000-03-18 Richard Henderson <rth@cygnus.com>
8518 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8520 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8522 * tree.h (tree_index): Remove enumerals for integer types.
8523 (integer_type_kind): New type.
8524 (integer_types): New variable.
8525 (char_type_node): Adjust.
8526 (signed_char_type_node): Likewise.
8527 (unsigned_char_type_node): Likewise.
8528 (short_integer_type_node): Likewise.
8529 (short_unsigned_type_node): Likewise.
8530 (integer_type_node): Likewise.
8531 (unsigned_type_node): Likewise.
8532 (long_integer_type_node): Likewise.
8533 (long_unsigned_type_node): Likewise.
8534 (long_long_integer_type_node): Likewise.
8535 (long_long_unsigned_type_node): Likewise.
8536 * tree.c (integer_types): New variable.
8537 (init_obstacks): Register it as a root.
8539 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8541 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8542 NEXT_INSN. Update last insn in chain.
8544 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8546 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8547 with TYPE_DECL_SUPPRESS_DEBUG set.
8549 2000-03-18 Richard Henderson <rth@cygnus.com>
8551 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8553 2000-03-18 Richard Henderson <rth@cygnus.com>
8555 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8556 care for HALF_PIC_P.
8557 (expander_call_insn_operand): Remove.
8558 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8559 * i386.h (PREDICATE_CODES): Update.
8560 * i386.md (all call expanders): Remove predicates, remove special
8561 handling for half-pic.
8562 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8563 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8564 (sibcall_epilogue): New.
8566 2000-03-17 Richard Henderson <rth@cygnus.com>
8568 * rtlanal.c (single_set): Reject if the parallel has anything
8569 except SET or USE or CLOBBER.
8571 2000-03-17 Jeff Law <law@cygnus.com>
8572 Richard Henderson <rth@cygnus.com>
8574 * Makefile.in (OBJS): Add sibcall.o.
8576 * sibcall.c: New file.
8577 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8578 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8579 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8580 Emit sibcall patterns when requested. Update all callers.
8581 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8582 elimination seems feasable.
8583 * final.c (leaf_function_p): Sibling calls don't discount being
8585 * flow.c (HAVE_sibcall_epilogue): Provide default.
8586 (find_basic_blocks_1): Sibling calls don't throw.
8587 (make_edges): Make edge from sibling call to EXIT.
8588 (propagate_block): Don't remove sibcall_epilogue insns.
8589 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8590 (sibcall_epilogue): New.
8591 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8592 (identify_blocks_1): Likewise. Break out from ...
8593 (identify_blocks): ... here.
8594 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8595 (reorder_blocks): ... here.
8596 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8597 (record_insns): Extend a varray instead of mallocing new memory.
8598 (contains): Read a varray not array of ints.
8599 (sibcall_epilogue_contains): New.
8600 (thread_prologue_and_epilogue_insns): Emit and record
8601 sibcall_epilogue patterns.
8602 (init_function_once): Allocate prologue/epilogue varrays.
8603 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8604 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8606 (save_for_inline_nocopy): ... here.
8607 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8609 (expand_inline_function): ... here.
8610 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8611 (subst_constants): Handle 'n' formats.
8612 * jump.c (jump_optimize_minimal): New.
8613 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8614 optimizations if it's set.
8615 * rtl.c (copy_rtx): Do copy jump & call for insns.
8616 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8617 (SIBLING_CALL_P): New.
8618 (sibcall_use_t): New.
8619 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8620 Invoke optimize_sibling_and_tail_recursive_calls.
8621 * tree.c (lang_safe_for_unsave): New.
8622 (safe_for_unsave): New.
8623 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8625 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8626 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8627 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8629 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8631 * objc/objc-act.c (encode_method_prototype): Pass types, not
8632 PARM_DECLs, to int_size_in_bytes.
8634 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8636 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8638 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8639 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8641 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8643 * Clean up usages of TREE_INT_CST_LOW.
8644 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8645 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8647 * c-tree.h (min_precision): Move declaration to here.
8648 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8649 (build_unary_op, add_pending_init): Use bit_position.
8650 (pending_init_member, process_init_element): Likewise.
8651 (really_start_incremental_init, push_init_level, pop_init_level):
8652 Don't make copies of nodes or modify them in place, use consistent
8653 types when tracking positions, and use tree routines computations.
8654 (set_init_index, output_init_element): Likewise.
8655 (output_pending_init_elements, process_init_element): Likewise.
8656 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8657 tree_low_cst and int_bit_position; also minor cleanup.
8658 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8659 (print_cst_octal): Precision is unsigned.
8660 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8661 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8662 (simple_type_align_in_bits): Result is unsigned int.
8663 Use tree_int_low_cst and host_integerp.
8664 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8665 (field_byte_offset): Result is HOST_WIDE_INT.
8666 Change types of internal variables so alignments are unsigned int,
8667 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8668 Use host_integerp, tree_low_cst, and int_bit_position.
8669 (add_bit_offset_attribute): Likewise.
8670 (add_data_member_location_attribute): Use tree_cst_low.
8671 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8672 (add_bit_size_attribute): Use tree_low_cst.
8673 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8674 * dwarfout.c: Similar changes to dwarf2out.c.
8675 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8676 * genoutput.c (n_occurences): Return -1 for null string.
8677 (strip_whitespace): Accept null string and make into function.
8678 (scan_operands): Reflect above changes.
8679 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8680 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8681 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8682 * tree.c (int_size_in_bytes): Check for too big to represent.
8683 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8684 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8686 (min_precision): Delete from here.
8687 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8688 and int_bit_position.
8689 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8690 (encode_method_def): Likewise.
8691 (build_ivar_list_initializer): Use int_bit_position.
8692 (generate_shared_structures): Convert size.
8693 (encode_type, encode_complete_bitfield): Use integer_zerop.
8694 (encode_bitfield): Use tree_low_cst and int_bit_position.
8696 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8698 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8700 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8702 * call.c (special_function_p): It is only malloc if it returns
8705 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8707 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8708 (C33_FLAG, TARGET_C3X): Add macros.
8709 (TARGET_SWITCHES): Add -m33 option.
8710 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8712 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8714 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8715 (PARALLEL_PACK_FLAG): Delete.
8716 (TARGET_SWITCHES): Update.
8717 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8719 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8721 * fold-const.c (fold): Fix a few cases when the returned result
8722 is not of the same type as the input.
8724 2000-03-16 Nick Clifton <nickc@cygnus.com>
8726 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8729 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8731 * libgcc2.h: Move prototypes above macros with the same name.
8732 Wrap some function prototypes in the conditional which indicates
8733 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8735 2000-03-16 Richard Henderson <rth@cygnus.com>
8737 * calls.c: Revert last two changes.
8739 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8741 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8742 has exponent 0 is a zero.
8744 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8745 HASH may already be nonzero. Add code/mode into hash value
8746 immediately after repeat label.
8747 (cselib_lookup): Don't leave the hash table in an inconsistent
8748 state before a hash lookup operation.
8750 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8752 * i386.md (all HI and QI mode non-move patterns): Conditionize
8753 by TARGET_[HQ]IMODE_MATH.
8754 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8755 x86_promote_qi_regs): Declare.
8756 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8757 TARGET_PROMOTE_QI_REGS): New macros.
8758 (PROMOTE_MODE): New macro.
8759 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8760 x86_promote_qi_regs): New global variables.
8762 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8764 * calls.c (emit_library_call_value_1): Break out from ...; handle
8765 VOIDmode function calls too.
8766 (emit_library_call_value): ... here.
8767 (emit_library_call): Implement by calling emit_library_call_value_1.
8769 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8771 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8772 Update arg_space_so_far on stack adjustments.
8773 (emit_library_call, emit_library_call_value): Likewise; take into
8774 account arg_space_so_far and pending_stack_adjust when calculcating
8777 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8779 * flow.c: Move all basic block reordering code into its own file.
8780 (create_basic_block): Externalize.
8781 * bb-reorder.c: New file. Copy all basic block reordering code from
8782 flow.c to this file.
8783 (reorder_basic_blocks): Fix fencepost error in for-loop.
8784 (reorder_basic_blocks): Remove braces from single statement for-loops.
8785 * basic-block.h: Add declaration for create_basic_block.
8786 * Makefile.in: Add rules for bb-reorder.o.
8788 2000-03-16 Neil Booth <NeilB@earthling.net>
8790 * cppinit.c (handle_option): Implement #unassert directive
8791 as -A- command line option.
8792 (print_help): Update.
8793 * cpptexi.c: Update.
8795 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8797 * md.texi (Standard Names): Document `jump'.
8799 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8801 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8804 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8806 Merge changes from newppc-branch onto trunk.
8808 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8810 * rs6000.c (toc_hash_table): Update for new hash table functions.
8811 (toc_hash_function): Likewise.
8812 (toc_hash_eq): Likewise.
8813 (toc_hash_mark_entry): Likewise.
8814 (toc_hash_mark_table): Likewise.
8815 (output_toc): Likewise.
8816 (rs6000_add_gc_roots): Likewise.
8818 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8820 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8821 (AR_FLAGS_FOR_TARGET): here. New macro.
8823 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8825 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8826 fpmem_operand) Delete.
8828 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8829 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8830 (rs6000_save_machine_status, rs6000_restore_machine_status,
8831 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8832 references to above variables.
8833 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8834 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8835 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8836 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8837 (XER_REGNO_P, XER_REGNO): New.
8838 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8839 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8840 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8842 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8843 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8844 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8846 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8848 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8849 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8850 * rs6000.h: from here.
8852 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8853 (rs6000_select_rtx_section): Likewise.
8854 (rs6000_encode_section_info): Likewise.
8855 (sdata_section): Likewise.
8856 (sdata2_section): Likewise.
8857 (sbss_section): Likewise.
8858 * sysv4.h (rs6000_select_section): Delete prototype.
8859 (rs6000_select_rtx_section): Likewise.
8860 (rs6000_encode_section_info): Likewise.
8861 (sdata_section): Likewise.
8862 (sdata2_section): Likewise.
8863 (sbss_section): Likewise.
8864 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8866 * sysv4.h: Delete various unnecessary #undef's and put a comment
8867 on the remaining ones.
8868 Change various comments according to coding standard.
8870 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8872 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8873 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8874 (CR0_REGNO_P) Remove.
8875 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8876 setup_incoming_varargs, mtcrf_operation, print_operand,
8877 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8878 Use the above macros.
8880 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8882 * config/rs6000/rs6000.md: Added a new alternative for each
8883 pattern that had a 'x' alternative but no 'y' alternative.
8884 Added a new split for each of the above patterns.
8886 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8888 * aix41.h (ASM_CPU_SPEC): Delete.
8889 (CPP_CPU_SPEC): Delete.
8891 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8892 (ASM_OUTPUT_LABEL): Define.
8893 (ASM_GLOBALIZE_LABEL): Define.
8894 (STRIP_NAME_ENCODING): Define.
8895 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8896 (STRIP_NAME_ENCODING): Don't define.
8897 (ASM_OUTPUT_LABEL): Don't define.
8898 (ASM_GLOBALIZE_LABEL): Don't define.
8899 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8900 names, and ASM_OUTPUT_LABEL to output labels, rather than
8902 (ASM_OUTPUT_LABEL): Define.
8903 (ASM_OUTPUT_INT): Use assemble_name.
8904 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8905 (STRIP_NAME_ENCODING): Don't undefine first.
8906 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8908 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8909 specified with 'asm' even with -fleading-underscore.
8910 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8911 (output_epilog): Likewise.
8912 (output_toc): Likewise.
8913 * tramp.asm: Handle -fleading-underscore correctly.
8915 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8917 (nonlocal_goto_receiver): Delete.
8918 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8920 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8921 (SET_ASM_OP): Define.
8922 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8924 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8927 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8928 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8930 * rs6000.h: Add 'u' to more constants.
8932 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8934 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8936 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8938 * rs6000.c (reg_or_u_cint_operand): New function.
8939 (logical_operand): Handle 64-bit hosts.
8940 (logical_u_operand): New function.
8941 (non_logical_cint_operand): Handle 64-bit hosts.
8942 (non_logical_u_cint_operand): New function.
8943 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8944 (PREDICATE_CODES): Define new functions.
8945 * rs6000-protos.h: Declare new functions.
8946 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8947 (movdi_64): Bracket code intended for 64-bit hosts. Create
8948 CONST_DOUBLE for 32-bit values.
8949 (scc insns): Generate DImode compares.
8950 (mfcr insns): Create DImode versions.
8951 (sge matchers): New patterns.
8953 2000-02-15 Gabriel Paubert <paubert@iram.es>
8955 * rs6000.md: Correct instructions length attributes and
8956 constraints on unsigned compare instructions.
8957 (*ne0): Disable for PowerPC64.
8959 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8961 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8962 quantity, fix profile1.C test failure under -fPIC.
8964 * rs6000.c: Add 'u' to many constants to suppress warnings.
8965 (constant_pool_expr_1): Make static.
8966 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8967 * rs6000.h: Add 'u' to many constants to suppress warnings.
8969 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8970 for the start of the TOC, instead of LCTOC..0.
8971 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8973 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8974 (load_toc_aix_di): Use LCTOC..1.
8976 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8977 * rs6000.c (rs6000_legitimize_address): New function from
8978 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8979 symbols in the constant pool that really are TOC references.
8980 (print_operand_address): For ELF, write TOC offsets under
8981 -fPIC as subtractions in the insn.
8982 (output_toc): For ELF, define symbols in TOC as normal labels,
8984 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8985 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8986 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8987 * rs6000.md (movsi): Only use create_TOC_reference on
8988 symbols in the constant pool that really are TOC references.
8990 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8991 * rs6000.c (rs6000_reorg): Delete.
8992 * rs6000-protos.h (rs6000_reorg): Delete.
8994 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8996 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8998 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8999 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
9000 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
9001 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
9002 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
9003 rs6000_aix_emit_builtin_unwind_init.
9004 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
9005 rs6000_emit_eh_toc_restore on AIX.
9006 (return_eh_si): Use r2.
9007 (return_eh_di): Use r2.
9009 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
9010 since we're breaking binary compatibility anyway.
9012 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9014 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
9015 constant_pool_expr_p): Declare them.
9016 (constant_pool_expr_p): Declare it.
9017 * config/rs6000/rs6000.c (toc_label_name): Define.
9018 (rs6000_override_options): Set toc_label_name.
9019 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
9020 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
9021 uses_TOC): New functions.
9022 (print_operand): Delete old '*' case.
9023 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
9024 and strip off rtl for TOC before calling output_addr_const.
9025 (rs6000_emit_load_toc_table): Use toc_label_name.
9026 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
9028 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
9029 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
9030 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
9031 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
9032 into explicit TOC_REGISTER offsets.
9033 (TOC_REGISTER): New macro.
9034 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
9035 TARGET_TOC to reference TOC_REGISTER.
9036 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
9037 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
9038 uses_TOC before emitting label references.
9040 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9042 * rs6000.md (stack_tie): Fix warning.
9044 * eabi-ctors.c: Use 'asm' names for the start/end variables,
9045 to handle -fleading-underscore.
9046 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
9047 (USER_LABEL_PREFIX): New macro.
9048 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
9049 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
9050 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
9051 call-linux can use the same multilibs.
9052 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
9053 and call-linux multilibs. Do multilib with -fleading-underscore.
9054 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
9055 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
9058 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
9059 have MASK_SOFT_FLOAT set.
9060 (CPP_FLOAT_DEFAULT_SPEC): New macro.
9061 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
9062 CPP_FLOAT_DEFAULT_SPEC.
9064 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
9065 * rs6000.md: Whitespace change.
9066 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
9067 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
9069 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9071 * rs6000.md (eh_epilogue): New expander.
9072 (eh_reg_restore): New expand/split/insn combination.
9073 (return_eh_si): New insn.
9074 (return_eh_di): New insn.
9076 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
9077 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
9078 * eabi-ctors.c (__do_global_ctors): Register this object's
9079 frame. Clean up. Call atexit() after the constructors.
9080 (__do_global_dtors): Deregister this object's frame. Clean up.
9081 Allow for recursive calls to exit().
9082 * rs6000.c (fixuplabelno): New variable.
9083 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
9084 TARGET_RELOCATABLE, it slows down exec() under linux.
9085 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
9087 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
9088 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
9089 (ASM_OUTPUT_DWARF_DELTA2): New macro.
9090 (ASM_OUTPUT_DWARF_DELTA4): New macro.
9091 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
9092 (ASM_OUTPUT_DWARF_ADDR): New macro.
9093 (ASM_OUTPUT_DWARF_DATA4): New macro.
9094 (ASM_OUTPUT_DWARF_DATA2): New macro.
9095 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
9096 (ASM_OUTPUT_DWARF_OFFSET): New macro.
9097 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
9099 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9101 * rs6000.c (rs6000_sr_alias_set): New variable.
9102 (rs6000_override_options): Initialise rs6000_sr_alias_set.
9103 (rs6000_emit_stack_tie): New function.
9104 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
9105 in a way that dwarf2out can understand.
9106 (rs6000_frame_related): New function.
9107 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
9108 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
9109 Use rs6000_emit_stack_tie when needed.
9110 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
9111 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
9112 * rs6000.md (stack_tie): New insn.
9113 (return_internal_si): Allow return value to be in the count
9115 (return_internal_di): Likewise.
9117 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
9119 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9121 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
9123 2000-01-31 Geoff Keating <geoffk@cygnus.com>
9125 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
9127 * rs6000.md (stmw): Use the right POWER opcode.
9130 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9132 * rs6000-protos.h: New file.
9134 * rs6000.c: Include tm_p.h. Fix compile time warnings.
9136 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
9139 * sysv4.h: Likewise.
9141 2000-01-28 Geoff Keating <geoffk@cygnus.com>
9143 * ../../configure.in: Delete powerpcle-*-winnt*
9144 and powerpcle-*-pe|powerpcle-*-cygwin*.
9145 * ../../configure: Regenerated.
9147 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
9148 (TARGET_WINDOWS_NT): Delete.
9150 (CALL_NT_DLLIMPORT): Delete.
9151 Delete NT-specific code.
9152 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
9155 * nt-ci.asm: Delete.
9156 * nt-cn.asm: Delete.
9157 * ntstack.asm: Delete.
9159 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9161 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
9162 (ASM_FILE_START): Likewise.
9163 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9164 (ASM_OUTPUT_LABELREF): Likewise.
9165 (ASM_OUTPUT_SKIP): Likewise.
9166 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
9167 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9168 (ASM_OUTPUT_CASE_LABEL): Likewise.
9169 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9170 (ASM_OUTPUT_ASCII): Likewise.
9172 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9174 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9175 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9176 increment rs6000_pic_labelno here.
9177 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9178 and increment rs6000_pic_labelno here.
9180 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9182 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9183 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9184 allocation knows (reg) is dead before the insn.
9186 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9188 * rs6000.md (movsi_to_cr): Correct typo in output template.
9190 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9192 * rs6000.c (rs6000_pic_labelno): Always define.
9193 (rs6000_pic_func_labelno): Delete.
9194 (lmw_operation): Check for a zero base register,
9195 which doesn't mean what we want.
9196 (stmw_operation): New function.
9197 (print_operand): Define new 'l' modifier.
9198 (rs6000_stack_info): We must save all 64 bits of the registers
9199 if TARGET_POWERPC64.
9200 (rs6000_output_load_toc_table): Delete.
9201 (rs6000_emit_load_toc_table): New function.
9202 (rs6000_allocate_stack_space): Delete.
9203 (rs6000_emit_allocate_stack): New function.
9204 (rs6000_emit_prologue): New function.
9205 (output_prolog): Use rs6000_emit_prologue.
9206 (rs6000_emit_epilogue): Change a few variable names to be
9207 more accurate. Restore all 64 bits of the registers if
9208 TARGET_POWERPC64. Only restore the FP registers which were used
9209 if they are being saved/restored one-at-a-time.
9210 (output_mi_thunk): Delete inefficient code generation.
9211 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9212 * rs6000.h: Declare rs6000_emit_load_toc_table,
9213 rs6000_allocate_stack_space, stmw_operation. Don't declare
9214 rs6000_output_load_toc_table.
9215 * rs6000.md (elf_high): Allow register 0, but discourage it
9217 (elf_low): Support loading into register 0.
9218 (load_toc_aix_si): New pattern.
9219 (load_toc_aix_di): New pattern.
9220 (load_toc_v4_pic_si): New pattern.
9221 (load_toc_v4_pic_di): New pattern.
9222 (load_toc_v4_PIC_1): New pattern.
9223 (load_toc_v4_PIC_1b): New pattern.
9224 (load_toc_v4_PIC_2): New pattern.
9225 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9226 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9227 (prologue): New expander.
9228 (movesi_from_cr): New pattern.
9229 (stmw): New pattern.
9230 (save_fpregs_si): New pattern.
9231 (save_fpregs_di): New pattern.
9233 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9235 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9240 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9242 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9244 (movsi_got_internal): Likewise.
9245 (movsi_got_internal+1): Likewise.
9246 (set_sp): 'unspec 7' does a SImode clobber.
9248 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9250 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9251 allocate a stack temporary.
9252 (floatsidf2_internal): Likewise.
9253 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9255 (floatunssidf2): Don't use the fpmem "register", just
9256 allocate a stack temporary.
9257 (floatunssidf2_internal): Likewise.
9258 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9260 (floatsidf2_loadaddr): Delete.
9261 (floatsidf2_store1): Delete.
9262 (floatsidf2_store2): Delete.
9263 (floatsidf2_load): Delete.
9264 (fix_truncdfsi2): Don't use the fpmem "register", just
9265 allocate a stack temporary.
9266 (fix_truncdfsi2_internal_si): Delete.
9267 (fix_truncdfsi2_internal_di): Delete.
9268 (fix_truncdfsi2_internal): New insn.
9269 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9270 (fix_truncdfsi2_store): Delete.
9271 (fix_truncdfsi2_load): Delete.
9272 (fctiwz): Produce gen_fctiwz.
9274 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9276 * eabi.h (INVOKE__main): Define.
9277 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9279 (rs6000_emit_prologue): Likewise.
9280 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9281 this is the main program.
9283 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9285 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9287 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9289 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9290 goes after the argument.
9292 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9294 * rs6000.md: Document 'unspec' values used.
9295 (epilogue): New expander.
9296 (movesi_to_cr_one): New expander.
9297 (movesi_to_cr and following): New pattern.
9299 (return_internal_si): New pattern.
9300 (return_internal_di): New pattern.
9301 (return_and_restore_fpregs_si): New pattern.
9302 (return_and_restore_fpregs_di): New pattern.
9303 * rs6000.h: Declare new functions.
9304 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9305 rather than rs6000_calls_p.
9306 (rs6000_makes_calls): Delete.
9307 (lmw_operation): New function.
9308 (mtcrf_operation): New function.
9309 (rs6000_emit_epilogue): New function.
9310 (output_epilog): Call rs6000_emit_epilogue and final if
9311 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9313 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9315 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9316 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9317 * aix.h (SUBTARGET_SWITCHES): Document switches.
9318 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9319 sched-prolog and sched-epilog the same. Document all the
9321 (TARGET_OPTIONS): No longer allow -mdebug-.
9323 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9325 * rs6000.h (ASM_FILE_END): Move to aix.h.
9326 (EXTRA_SECTIONS): Move to aix.h.
9327 (READONLY_DATA_SECTION): Move to aix.h.
9328 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9329 (SELECT_SECTION): Move to aix.h.
9330 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9331 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9332 (LINK_REGISTER_REGNUM): New definition.
9333 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9334 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9336 * sysv4.h: Delete the code between the inclusion of rs6000.h
9338 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9339 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9340 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9341 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9342 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9343 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9344 (fix_truncdfsi2_internal_di): New pattern.
9345 (fix_truncdfsi2_store): The second arg here is Pmode too.
9346 (fix_truncdfsi2_load): The second arg here is Pmode too.
9347 (tablejumpdi): Now that switch tables hold only SImode values,
9348 gcc needs to know how to add them to the pc which is DImode.
9349 * rs6000.c (rs6000_stack_info): Use symbolic name for
9350 LINK_REGISTER_REGNUM.
9351 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9352 (output_toc): Delete unused variables s1 and s2.
9353 (output_ascii): Use fputs not fprintf on a variable string.
9355 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9357 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9358 * aix43.h: Revert Aug 2 change.
9359 (HAS_INIT_SECTION): Define, not visible yet.
9360 (LD_INIT_SWITCH): Define, not visible yet.
9361 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9363 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9365 * config/rs6000/rtems.h: Include config/rtems.h.
9367 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9369 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9370 (SLOW_UNALIGNED_ACCESS): Define.
9371 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9372 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9373 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9374 (toc_section): Likewise and .toc pseudo-op.
9375 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9377 (TEXT_SECTION_ASM_OP): Likewise.
9378 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9381 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9383 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9384 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9387 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9389 * rs6000.h: Move more stuff from here...
9391 * sysv4.h: Cleanup accordingly.
9392 * netware.h: Likewise
9394 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9396 * rs6000.h: Continue cleanup.
9399 * netware.h: Likewise.
9401 * sysv4.h: Likewise.
9402 * win-nt.h: Likewise.
9404 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9405 (TARGET_OPTIONS): Likewise.
9407 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9408 (SUBTARGET_OPTIONS): Likewise.
9410 * rs6000.md: Fix compile time warnings.
9412 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9414 vxworks patches from the Cygnus tree originally by
9415 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9416 <vmakarov@cygnus.com>.
9417 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9418 (ENDFILE_SPEC): Likewise.
9419 (LIB_VXWORKS_SPEC): New macro.
9420 (STARTFILE_VXWORKS_SPEC): New macro.
9421 (ENDFILE_VXWORKS_SPEC): New macro.
9422 (LINK_START_VXWORKS_SPEC): New macro.
9423 (LINK_OS_VXWORKS_SPEC): New macro.
9424 (CPP_OS_VXWORKS_SPEC): New macro.
9425 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9426 * vxppc.h: Rewrite to use proper configuration method.
9427 * vxppcle.h: New file.
9428 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9429 * ../../configure: Rebuilt.
9431 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9433 Lots of changes to rs6000.h, sysv4.h, aix.h,
9434 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9435 with the aim that rs6000.h is the first header
9436 included and the others override it.
9439 * x-aix41-gld: Remove.
9441 * x-aix41: Remove target-specific switches, and don't specify
9442 -Wl,-bbigtoc as we don't need it any more.
9443 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9444 Use t-aix43 for AIX 4.3 and above.
9445 * ../../configure: Regenerated.
9447 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9448 options, that don't do anything yet.
9449 (MASK_SCHED_PROLOG): New macro.
9450 (MASK_SCHED_EPILOG): New macro.
9451 (TARGET_SCHED_PROLOG): New macro.
9452 (TARGET_SCHED_EPILOG): New macro.
9454 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9456 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9457 one per translation unit, not one per function.
9458 (output_toc): Also do duplicate constant elimination
9459 for per-translation-unit TOCs.
9461 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9462 a comment explaining _exactly_ when this pattern gets used.
9463 (builtin_setjmp_receiver): New pattern for better clarity.
9464 (init_v4_pic): Move it into a section dealing with TOC registers.
9466 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9468 * rs6000.c (toc_hash_table): New variable.
9469 (rs6000_hash_constant): New function.
9470 (toc_hash_function): New function.
9471 (toc_hash_eq): New function.
9472 (toc_hash_mark_entry): New function.
9473 (toc_hash_mark_table): New function.
9474 (output_toc): Don't output duplicate TOC entries in
9476 (rs6000_add_gc_roots): Add the hash table as a GC root.
9477 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9478 where they clearly shouldn't be. This may need to be fixed
9479 later when there is a GNU ar for AIX.
9480 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9481 Don't define BOOT_LDFLAGS as it is now not necessary.
9483 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9485 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9486 for va_list on AIX. Use unsigned_char_type_node rather than
9487 constructing our own version on svr4.
9489 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9491 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9492 since patently it's not.
9494 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9496 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9497 define_expand/define_insn pair, and handle restore of the
9498 SVR4 -fpic register.
9500 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9502 * acconfig.h (HAVE_GAS_WEAK): New define.
9503 * configure.in (assembler weak support): Check for .weak support.
9504 * config.in, configure: Rebuilt.
9505 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9506 HAVE_GAS_WEAK is defined.
9508 2000-03-15 Nick Clifton <nickc@cygnus.com>
9510 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9513 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9515 * cppfiles.c (open_include_file): New function.
9516 (find_include_file, cpp_read_file): Use it.
9518 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9520 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9522 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9524 * flow.c (verify_flow_info): Check for unconditional return.
9526 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9528 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9529 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9530 (__ia64_restore_stack_nonlocal): New.
9531 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9533 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9535 * cpphash.c (collect_formal_parameters): Do not complain about
9536 parameter names that just start with `__VA_ARGS__'.
9538 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9540 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9541 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9542 * i386.c (pentiumpro_cost): Set mul cost to 4.
9543 (x86_use_movx): Set for PPro.
9545 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9547 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9548 STACK_BOUNDARY for empty frames now.
9550 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9552 * stor-layout.c (layout_union): Remove.
9553 (layout_union_field): New function, split out from layout_union.
9554 (finish_union_layout): Likewise.
9555 (layout_field): Handle unions by calling layout_union_field.
9556 (finish_record_layout): Handle unions.
9557 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9558 QUAL_UNION_TYPE handling.
9560 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9562 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9563 end of basic block is jump_insn, not barrier; use create_basic_block
9564 instead of creating basic block by hand.
9566 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9568 * flow.c (reorder_basic_blocks): Account for barriers when writing
9569 over NEXT_INSN (last_bb->end).
9570 (verify_flow_info): Add check for missing barriers.
9572 2000-03-14 Greg McGary <gkm@gnu.org>
9574 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9575 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9576 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9577 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9578 __unbounded, __unbounded__): New keywords.
9579 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9580 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9581 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9583 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9585 * cselib.h: New file.
9586 * alias.c: Include "cselib.h".
9587 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9588 MEMs as two new arguments.
9589 (get_addr): New static function.
9590 (find_base_term): Handle VALUEs.
9591 (memrefs_conflict_p): Likewise.
9592 (true_dependence): Call get_addr on the addresses.
9593 Call fixed_scalar_and_varying_struct_p with addresses that have been
9594 passed through get_addr and canon_rtx.
9595 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9596 with true_dependence.
9597 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9598 * loop.c: Include "cselib.h".
9599 (load_mems): Process extended basic block that enters the loop with
9600 cselib. Use that information to change initialization of the shadow
9601 register so that a constant equivalence is seen by later passes.
9602 * reload1.c: Include "cselib.h".
9603 (reload_cse_invalidate_regno): Delete function.
9604 (reload_cse_mem_conflict_p): Likewise.
9605 (reload_cse_invalidate_mem): Likewise.
9606 (reload_cse_invalidate_rtx): Likewise.
9607 (reload_cse_regno_equal_p): Likewise.
9608 (reload_cse_check_clobber): Likewise.
9609 (reload_cse_record_set): Likewise.
9610 (reg_values): Delete static variable.
9611 (invalidate_regno_rtx): Likewise.
9612 (reload_cse_delete_noop_set): New static function.
9613 (reload_cse_simplify): New static function, broken out of
9615 (reload_cse_noop_set_p): Delete unused argument INSN.
9616 Just call rtx_equal_for_cselib_p on set source and destination.
9617 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9618 reload_cse_delete_noop_set. Delete code to keep track of values; use
9619 cselib functions instead. Delete code to push/pop obstacks.
9620 (reload_cse_simplify_set): Use cselib to find equivalent values.
9621 Delete code to push/pop obstacks.
9622 (reload_cse_simplify_operands): Likewise.
9623 * rtl.def (VALUE): New rtx code.
9624 * rtl.h (union rtunion_def): New elt rt_cselib.
9625 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9626 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9627 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9628 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9629 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9630 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9631 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9632 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9633 cselib_record_set, cselib_record_sets): New static functions.
9634 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9635 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9636 references_value_p): New functions.
9637 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9638 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9639 n_useless_values, reg_values, callmem, cselib_obstack,
9640 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9641 New static variables.
9642 * varray.h (union varray_data_tag): New elt te.
9643 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9644 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9647 2000-03-14 Nick Clifton <nickc@cygnus.com>
9649 * gcc.c (do_spec_1): Catch the case where %* is used in a
9650 substitution pattern, but it has not been initialised.
9651 Issue a meaningful error message if an unrecognised operator
9652 is encountered in a spec string.
9654 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9656 * function.c (prepare_function_start): Correctly initialize
9657 cfun->stack_alignment_needed.
9659 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9661 * cppfiles.c (find_include_file): Don't assume nshort is a
9664 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9666 * configure.in (hppa configurations): Add pa32-regs.h to the
9667 list of tm files as appropriate.
9668 * configure: Rebuilt.
9669 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9671 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9672 (fmpyaddoperands, fmpysuboperands): Likewise.
9673 * pa.h: Remove various definitions which depend on knowing
9674 how registers are numbered.
9675 * pa32-regs.h: New file with PA32 register numbering specific
9678 2000-03-14 Richard Henderson <rth@cygnus.com>
9680 * regmove.c (combine_stack_adjustments): New.
9681 (stack_memref_p, single_set_for_csa): New.
9682 (free_csa_memlist, record_one_stack_memref): New.
9683 (try_apply_stack_adjustment): New.
9684 (combine_stack_adjustments_for_block): New.
9685 * rtl.h (combine_stack_adjustments): Declare.
9686 * toplev.c (rest_of_compilation): Call it.
9688 * i386.md: Revert 2000-01-16 change.
9690 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9692 * gccbug.in: Add web category, gcc specific classes.
9694 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9696 * stor-layout.c (finalize_record_size): Fix typo.
9698 2000-03-14 Stan Shebs <shebs@apple.com>
9700 * c-typeck.c (c_alignof): Error on incomplete types.
9701 * extend.texi (Alignment): Document this.
9703 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9705 * cppfiles.c: Include mkdeps.h.
9706 (find_include_file, read_include_file): Remove _cpp_ prefix
9707 from name, make static.
9708 (_cpp_execute_include): New function, broken out of
9711 * cpplib.c: Don't include mkdeps.h.
9712 (struct directive): Remove type field. Reorder entries. The
9713 function takes only one argument.
9714 (struct if_stack): Make type field an int.
9715 (directive_table): Rename to dtable. Generate it, the
9716 prototypes of the directive handlers, and the enum for the
9717 directive numbers, from a template macro.
9718 (do_ifndef, do_include_next, do_import): New functions.
9719 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9720 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9721 do_ident, do_assert, do_unassert, do_sccs): Take only one
9723 (do_sccs): Define always, but alter behavior based on
9725 (_cpp_handle_directive, consider_directive_while_skipping):
9726 Restructure for new directive table layout.
9728 (pass_thru_directive): Take a directive number, not a pointer
9729 to a struct directive.
9730 (parse_include): New function, broken out of do_include.
9731 (do_include, do_import, do_include_next): Use parse_include
9732 and _cpp_execute_include.
9733 (do_elif, do_else): Test for T_ELSE specifically when checking
9734 for #elif/#else after #else.
9735 (parse_ifdef): New function, broken out of do_ifdef.
9736 (validate_else): Expect a name arg without a leading #.
9737 (if_directive_name): Delete.
9738 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9739 directive handlers with only one argument.
9741 * cpphash.h: Update prototypes.
9742 (enum node_type): Remove entries for directives.
9743 * Makefile.in: Update dependencies.
9745 * cpphash.c (dump_hash_helper): Only dump nodes of type
9746 T_MACRO. Emit a newline after each definition.
9748 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9750 * gccbug.in: New file.
9751 * configure.in (all_outputs): Add gccbug.
9752 * Makefile.in (install-common): Install gccbug.
9753 (GCCBUG_INSTALL_NAME): New variable.
9754 * configure: Rebuilt.
9756 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9758 * function.c (put_var_into_stack): Use type_for_mode to calculate
9759 part_type. Use MEM_SET_IN_STRUCT_P.
9760 * expr.c (store_field): Handle CONCAT.
9761 (store_constructor): Use fields_length.
9762 * tree.c (fields_length): New fn.
9763 * tree.h: Declare it.
9765 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9767 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9768 (cpplex.o): New target.
9769 * po/POTFILES.in: Add cpplex.c.
9771 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9772 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9773 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9774 skip_block_comment, skip_line_comment, skip_comment,
9775 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9776 _cpp_parse_name, skip_string, parse_string,
9777 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9778 _cpp_get_directive_token, find_position,
9779 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9780 (maybe_macroexpand, _cpp_lex_token): New functions.
9782 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9783 parse_goto_mark): Delete.
9784 (_cpp_handle_eof): New function.
9785 (_cpp_handle_directive): Rename from handle_directive.
9786 (_cpp_output_line_command): Rename from output_line_command.
9787 (do_if, do_elif): Call _cpp_parse_expr directly.
9788 * cppfiles.c (_cpp_read_include_file): Don't call
9789 init_input_buffer here.
9790 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9791 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9792 here; pop the token_buffer and skip the rest of the line here.
9793 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9796 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9798 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9799 CPP_GOTO_MARK): New macros.
9800 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9801 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9802 _cpp_read_and_prescan, _cpp_init_input_buffer,
9803 _cpp_grow_token_buffer, _cpp_get_directive_token,
9804 _cpp_handle_directive, _cpp_handle_eof,
9805 _cpp_output_line_command): Prototype them here.
9806 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9807 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9808 quote_string, output_line_command): Remove.
9810 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9812 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9813 whether it is too large we must also verify that it isn't negative.
9815 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9817 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9818 (movsi_zero_liveg0): Remove.
9819 (movsf_insn_novis_liveg0): Remove.
9821 (negsi2_not_liveg0): Rename to negsi2.
9822 (one_cmplsi2): Remove.
9823 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9824 (one_cmplsi2_liveg0): Remove.
9825 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9826 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9827 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9828 (PREDICATE_CODES): Remove zero_operand.
9829 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9830 TARGET_BROKEN_SAVERESTORE.
9831 (zero_operand): Remove.
9832 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9833 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9835 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9836 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9837 TARGET_BROKEN_SAVERESTORE): Remove.
9838 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9840 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9842 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9845 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9847 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9849 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9850 truncating a string. Don't assume tokens are nul terminated.
9851 Problem noted by Andreas Jaeger <aj@suse.de>
9853 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9855 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9856 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9857 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9859 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9861 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9862 STRUCTURE_SIZE_BOUNDARY.
9864 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9866 * tree.h (record_layout_info_s): New structure.
9867 (record_layout_info): New type.
9868 (new_record_layout_info): New function.
9869 (layout_field): Likewise.
9870 (finish_record_layout): Likewise.
9871 * stor-layout.c (layout_record): Remove.
9872 (new_record_layout_info): New function.
9873 (layout_field): New function, broken out from layout_record.
9874 (finalize_record_size): Likewise.
9875 (compute_record_mode): Likewise.
9876 (finalize_type_size): New function, broken out from layout_type.
9877 (finish_record_layout): Likewise.
9878 (layout_type): Use them.
9880 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9882 * cpphash.c: Don't include version.h.
9883 (special_symbol) [case T_VERSION]: Look for the string in
9884 hp->value.cpval; don't use version_string.
9885 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9886 __VERSION__ to version_string.
9887 * Makefile.in (cpphash.o): Update deps.
9889 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9891 Convert cpplib to use libiberty/hashtab.c.
9893 * cpplib.h (struct cpp_reader): Make hashtab and
9894 all_include_files of type 'struct htab *'. Delete HASHSIZE
9895 and ALL_INCLUDE_HASHSIZE macros.
9897 * cpphash.h: Update prototypes.
9898 (struct hashnode): Remove next, prev, and bucket_hdr members.
9899 Make length a size_t. Add hash member.
9900 (struct ihash): Remove next member. Add hash member. Make
9901 name a flexible array member.
9903 * cppfiles.c: Include hashtab.h.
9904 (include_hash): Delete.
9905 (IHASHSIZE): New macro.
9906 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9907 (cpp_included): Do the hash lookup here.
9908 (_cpp_find_include_file): Rewrite.
9909 (cpp_read_file): Put the "fake" hash entry into the hash
9910 table. Honor the control_macro, if it turns out we've seen
9911 the file before. Don't push the buffer here.
9912 (_cpp_read_include_file): Push the buffer here.
9913 (OMODES): New macro. Use it whenever we call open(2).
9915 * cpphash.c: Include hashtab.h.
9916 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9917 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9918 _cpp_lookup_slot): New functions.
9919 (HASHSIZE): new macro.
9920 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9921 (_cpp_lookup): Use hashtab.h routines.
9923 * cppinit.c: Include hashtab.h.
9924 (cpp_reader_init): Call _cpp_init_macro_hash and
9925 _cpp_init_include_hash. Don't allocate hashtab directly.
9926 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9927 pfile->all_include_files.
9928 (initialize_builtins): Use _cpp_make_hashnode and
9929 htab_find_slot to add hash entries.
9930 (cpp_finish): Just call _cpp_dump_macro_hash.
9931 * cpplib.c: Include hashtab.h.
9932 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9933 create hash entries.
9934 (do_pragma_poison, do_assert): Likewise.
9935 (do_include): Don't push the buffer here. Don't increment
9936 system_include_depth unless _cpp_read_include_file succeeds.
9937 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9939 (do_pragma_implementation): Use alloca to create copy.
9941 * Makefile.in: Update dependencies.
9943 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9945 * cppinit.c (cl_directive_handler): More K&R fixing.
9947 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9949 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9951 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9953 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9955 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9956 Change from char[] to macros.
9958 2000-03-12 Neil Booth <NeilB@earthling.net>
9960 * cppinit.c (cpp_start_read): Update indirect function
9963 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9965 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9968 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9969 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9971 2000-03-11 Neil Booth <NeilB@earthling.net>
9973 * cppinit.c (struct pending option): Replace undef with a
9974 pointer to a directive handling routine.
9975 (struct cpp_pending): Replace separate assert_ and define_
9976 lists with one directive_ list.
9977 (new_pending_define): Rename new_pending_directive. Extra
9978 argument is the directive's handling routine.
9979 (handle_option): Update to use new_pending_directive.
9981 2000-03-11 Neil Booth <NeilB@earthling.net>
9983 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9984 remap_filename, _cpp_read_include_file, actual_directory,
9985 hack_vms_include_specification): Replace bcopy(), index() etc
9986 calls. Add casts to some allocations. Make some variables
9987 pointers to const [unsigned] char.
9988 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9989 collect_formal_parameters): Similarly.
9990 * cppinit.c (struct pending_option, append_include_chain,
9991 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9992 cpp_start_read, new_pending_define, handle_option): Similarly.
9993 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9994 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9995 do_pragma_implementation, detect_if_not_defined,
9996 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9997 do_assert, do_unassert): Similarly.
9998 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9999 function prototypes.
10000 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
10002 2000-03-10 Richard Henderson <rth@cygnus.com>
10004 * builtins.c (expand_builtin_strlen): Revert last change.
10005 Use emit_insn_before if we're at the beginning of a sequence.
10007 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
10009 * builtins.c (expand_builtin_strlen): Make sure that we have something
10010 at the beginning of the sequence.
10012 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
10015 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
10017 2000-03-10 Richard Henderson <rth@cygnus.com>
10019 * except.c (can_throw): Use INTVAL on a CONST_INT.
10020 (reachable_handlers): Likewise.
10021 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
10023 2000-03-10 Andreas Jaeger <aj@suse.de>
10025 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
10026 MD_STARTFILE_PREFIX since those are not needed on linux.
10027 (ASM_FILE_START): New, from mips/gnu.h.
10029 2000-03-09 Richard Henderson <rth@cygnus.com>
10030 Alex Samuel <samuel@codesourcery.com> and others
10032 * Makefile.in (ssa.o): New rule.
10034 (STAGESTUFF): Add *.ssa and *.ussa.
10035 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
10036 * rtl.def (PHI): New RTL expression.
10037 * rtl.h (clear_log_links): New declaration.
10038 (convert_to_ssa): Likewise.
10039 (convert_from_ssa): Likewise.
10040 * flow.c (split_edge): If the entry node falls through to the
10041 split edge's source block, split the entry edge.
10042 (clear_log_links): New function.
10043 * toplev.c (ssa_dump): New variable.
10044 (flag_ssa): Likewise.
10045 (f_options): Add "ssa".
10046 (compile_file): Create SSA dump files.
10047 (rest_of_compilation): Go to and from SSA if enabled.
10048 (decide_d_option): Handle -de for SSA dump files.
10051 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
10053 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
10056 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
10058 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
10060 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
10062 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
10063 (MD_STARTFILE_PREFIX_1): New macro.
10065 2000-03-09 Robert Lipe <robertl@sco.com>
10067 * config/ia64/ia64.c: Include system.h.
10069 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10071 * except.c (nothrow_function_p): If -fno-exceptions, just return.
10072 (init_eh_nesting_info): Likewise.
10074 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
10075 (TREE_NOTHROW): Rename from TREE_RAISES.
10076 * toplev.c (rest_of_compilation): Set it.
10077 * print-tree.c (print_node): Adjust.
10078 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
10079 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
10080 * calls.c (emit_call_1): Add 'nothrow' parm. Add
10081 REG_EH_REGION note as appropriate.
10082 (libfunc_nothrow): New fn.
10083 (emit_library_call, emit_library_call_value): Use it.
10084 (expand_call): Check TREE_NOTHROW.
10086 * varasm.c (make_decl_rtl): Skip initial '*' when setting
10087 DECL_ASSEMBLER_NAME.
10089 2000-03-09 Andreas Jaeger <aj@suse.de>
10091 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
10092 (TARGET_MEM_FUNCTIONS): Define.
10094 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10096 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
10098 * except.c (can_throw): See through a SEQUENCE.
10099 (nothrow_function_p): New fn.
10100 * except.h: Declare it.
10101 * function.c (current_function_nothrow): New var.
10102 (prepare_function_start): Initialize it.
10103 * output.h: Declare it.
10104 * toplev.c (rest_of_compilation): Set it.
10105 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
10107 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
10109 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
10110 match. (cpp_compare_defs): Count the nul separator when
10111 advancing over argument names.
10113 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
10115 * recog.c (preprocess_constraints): Matching constraints affect
10116 same alternative/different operand, not same operand/different
10119 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
10120 register and a constant specially.
10122 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10124 * libgcc2.h: New file.
10125 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
10127 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
10129 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
10130 * configure: Regenerate.
10131 * config/ia64: New.
10133 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10135 * Makefile.in (LIBCPP_DEPS): New macro.
10136 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
10137 it to declare deps.
10138 * cpperror.c: Include cpphash.h.
10139 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
10141 (lex): Don't use CPP_WARN_UNDEF.
10142 (_cpp_parse_expr): Return an int, the truth value.
10143 * cppfiles.c: Include cpphash.h.
10144 (_cpp_merge_include_chains): Move to cppinit.c and make static.
10145 * cppinit.c (include_defaults_array): Disentangle.
10146 (cpp_cleanup): Don't free the if stack here.
10147 (cpp_finish): Pop off all buffers, not just one.
10148 * cpplib.c (eval_if_expr): Return int.
10149 (do_xifdef): Rename do_ifdef.
10150 (handle_directive): Don't use CPP_PREPROCESSED.
10151 (cpp_get_token): Don't use CPP_C89.
10152 * fix-header.c: Don't use CPP_OPTIONS.
10154 * cpplib.h: Move U_CHAR, enum node_type, struct
10155 file_name_list, struct ihash, is_idchar, is_idstart,
10156 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
10157 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
10158 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
10159 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
10160 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
10161 of _cpp_simplify_pathname, _cpp_find_include_file,
10162 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
10163 Move struct if_stack to cpplib.c. Move struct cpp_pending to
10165 Change all uses of U_CHAR to be unsigned char instead.
10166 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
10168 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10170 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10171 (dwarf2out_begin_prologue): Set it.
10172 (output_call_frame_info): Don't emit EH unwind info for leaves.
10174 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10175 can occur outside of an EH region.
10176 * except.c: Correct comments about rethrow behavior.
10177 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10179 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10181 * flow.c (make_edges): Always call make_eh_edge for calls.
10183 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10185 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10186 (struct cpp_buffer): Remove fname and underflow fields.
10187 (struct cpp_reader): Remove get_token field.
10188 (struct include_hash): Rename to struct ihash. Add typedef to
10190 (struct if_stack): Remove fname field.
10191 (IF_STACK_FRAME): Rename to IF_STACK.
10193 * cpperror.c (print_containing_files): Trust that there are no
10194 macro buffers below the top file buffer.
10195 * cppfiles.c: Replace all references to 'struct include_hash'
10196 with 'IHASH'. Rename initialize_input_buffer to
10197 init_input_buffer. Don't set or reference cpp_buffer->fname,
10198 use buffer->ihash->name instead.
10199 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10200 not CPP_NULL_BUFFER.
10201 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10202 IF_STACK_FRAME, IHASH not struct include_hash.
10203 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10204 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10205 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10206 references to cpp_buffer->fname (delete entirely, or use
10207 ->ihash->name instead) and IF_STACK->fname.
10208 (cpp_push_buffer): Don't set new->underflow.
10209 (do_include): Use cpp_file_buffer.
10211 * cpphash.c (collect_formal_parameters): Remove duplicate
10212 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10213 used as a macro argument name. Don't append "..." to namebuf
10214 for varargs macros. After we're done scanning, go through
10215 namebuf and make it NUL separated, not comma separated.
10216 (_cpp_compare_defs): Remove register tag from variables.
10217 Expect defn->argnames to be NUL separated.
10218 (_cpp_dump_definition): Expect defn->argnames to be NUL
10219 separated and in forward order.
10220 * cpphash.h: Update documentation of argnames field.
10222 2000-03-08 Richard Henderson <rth@cygnus.com>
10224 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10225 to fail. Don't pre-expand the source operand.
10227 * i386.md (strlensi): Initialize eoschar and align before use.
10229 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10231 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10232 CONSTRUCTOR element.
10234 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10236 * mips.c (mips_expand_prologue): If the last
10237 named argument is the vararg marker "va_list", treat it as
10238 an unnamed argument.
10240 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10242 * dbxout.c (dbxout_parms): When correcting for promoted
10243 big-endian parameters, use the mode of the DECL_RTL rather
10244 than UNITS_PER_WORD.
10246 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10248 * c-common.h (make_fname_decl): Declare.
10249 * c-common.c (make_fname_decl): Define.
10250 (declare_hidden_char_array): Remove.
10251 (declare_function_name): Use make_fname_decl.
10252 * c-decl.c (c_make_fname_decl): New function.
10253 (init_decl_processing): Set make_fname_decl.
10255 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10257 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10259 2000-03-07 Philipp Thomas <pthomas@suse.de>
10261 * po/POTFILES.in: Remove cppalloc.c from file list.
10263 2000-03-07 Steve Chamberlain <sac@pobox.com>
10265 * pj.c (pj_expand_prologue): current_function->args_info is
10266 now current_function_args_info.
10268 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10269 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10270 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10272 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10274 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10275 output as hexadecimal rather than the default octal.
10277 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10279 * cpphash.c (special_symbol): Fix thinko in previous commit.
10281 2000-03-07 Neil Booth <NeilB@earthling.net>
10283 * cppexp.c (struct operation, left_shift, right_shift,
10284 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10285 "int"s to "unsigned int"s.
10286 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10288 * cpplib.h: Update for above.
10289 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10290 returned from allocations.
10292 * cppinit.c (opt_comp, parse_options): New functions.
10293 (handle_option): Use parse_option to parse a single command
10294 line option, that possibly takes an argument.
10295 (cpp_handle_options): Sort the array of command line options on
10296 first invocation (non-ASCII hosts only).
10297 (print_help): Update.
10299 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10301 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10302 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10304 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10306 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10308 * cpperror.c (cpp_print_containing_files,
10309 cpp_print_file_and_line, v_cpp_message): Rename to
10310 print_containing_files, print_file_and_line, and v_message.
10311 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10312 to _cpp_parse_expr, parse_escape, and lex.
10313 (parse_charconst): Remove broken multibyte support.
10314 * cppfiles.c (include_hash): Make static.
10315 (cpp_included): New function.
10316 (merge_include_chains, find_include_file, finclude,
10317 simplify_pathname): Rename to _cpp_merge_include_chains,
10318 _cpp_find_include_file, _cpp_read_include_file, and
10319 _cpp_simplify_pathname.
10320 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10321 cpp_install, create_definition, macroexpand, compare_defs,
10322 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10323 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10324 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10325 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10327 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10329 * cpphash.h: Update prototypes.
10330 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10332 2000-03-07 Andrew Haley <aph@cygnus.com>
10334 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10335 PTRDIFF_TYPE should be based solely on Pmode.
10336 (SIZE_TYPE): ditto.
10338 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10340 * rtl.h (rtunion_def): Constify member `rtstr'.
10341 (emit_line_note_after, emit_line_note, emit_line_note_force,
10342 emit_note, decode_asm_operands): Constify.
10344 * cse.c (canon_hash): Likewise.
10346 * dbxout.c (dbxout_block): Likewise.
10348 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10349 v_warning_for_asm): Likewise.
10351 * dwarfout.c (function_start_label): Likewise.
10353 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10354 emit_line_note_force): Likewise.
10356 * final.c (last_filename, asm_insn_count, final_scan_insn,
10357 output_source_line): Likewise.
10359 * function.h (struct emit_status): Likewise.
10361 * gcse.c (hash_expr_1): Likewise.
10363 * genattr.c (gen_attr, main): Likewise.
10365 * genattrtab.c (struct function_unit, current_alternative_string,
10366 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10367 attr_numeral, check_attr_test, check_attr_value,
10368 convert_set_attr_alternative, convert_set_attr,
10369 compute_alternative_mask, simplify_by_exploding, gen_attr,
10370 gen_unit): Likewise.
10372 * genflags.c (gen_insn): Likewise.
10374 * gengenrtl.c (type_from_format): Likewise.
10376 * genopinit.c (gen_insn): Likewise.
10378 * genoutput.c (n_occurrences, process_template, process_template):
10381 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10384 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10387 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10388 ggc_set_mark, ggc_get_size): Likewise.
10390 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10392 * optabs.c (init_one_libfunc): Likewise.
10394 * output.h (assemble_start_function): Likewise.
10396 * recog.c (decode_asm_operands): Likewise.
10398 * toplev.c (rest_of_compilation): Likewise.
10400 * tree.h (emit_line_note_after, emit_line_note,
10401 emit_line_note_force): Likewise.
10403 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10404 asm_emit_uninitialised, assemble_start_function,
10405 assemble_variable, const_hash, compare_constant_1,
10406 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10408 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10410 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10412 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10414 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10416 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10417 arm_dllimport_name_p): Likewise.
10419 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10422 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10424 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10426 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10427 arm_mark_dllexport, arm_mark_dllimport,
10428 arm_pe_encode_section_info): Likewise.
10430 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10431 ASM_FINISH_DECLARE_OBJECT): Likewise.
10433 * arm/thumb.c (thumb_function_prologue): Likewise.
10435 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10437 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10439 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10441 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10443 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10445 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10447 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10448 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10450 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10452 * i386/i386.c (asm_output_function_prefix): Likewise.
10454 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10456 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10458 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10460 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10461 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10462 ASM_OUTPUT_SECTION_NAME): Likewise.
10464 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10466 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10468 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10470 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10472 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10474 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10476 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10478 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10480 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10482 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10484 * mips/mips.md (movdi, movsi): Likewise.
10486 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10488 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10490 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10492 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10493 ASM_OUTPUT_ASCII): Likewise.
10495 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10496 output_mi_thunk, output_toc): Likewise.
10498 * rs6000/rs6000.md (movsi): Likewise.
10500 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10502 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10504 * v850/v850.c (print_operand, print_operand_address,
10505 v850_encode_data_area): Likewise.
10507 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10509 * config/mips/mips.md (zero_extendsidi2): Always force operand
10510 one to memory for mips16.
10512 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10514 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10515 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10516 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10517 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10518 (min_precision): Result is unsigned.
10519 (add_double, neg_double, mul_double): Low word is unsigned.
10520 (lshift_double, rshift_double, lrotate_double): Likewise.
10521 (rrotate_double, div_and_round_double): Likewise.
10522 (tree_floor_log2, compare_tree_int): New functions.
10523 (preserve_rtl_expr_temps): New declaration.
10524 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10525 (decl_attributes): Use tree_log2 to find alignment.
10526 Check for TREE_INT_CST_HIGH for format args.
10527 (min_precision): Now unsigned.
10528 Use tree_floor_log2.
10529 (truthvalue_conversion): Delete long-disabled code.
10530 * c-decl.c (finish_struct): Clean up tests on field width.
10531 (finish_function): Use compare_tree_int.
10532 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10533 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10534 (default_conversion, digest_init): Use compare_tree_int.
10535 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10536 Fix type errors in forming masks.
10537 * calls.c (initialize_argument_information): Use compare_tree_int.
10538 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10539 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10540 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10541 (store_field): Use compare_tree_int.
10542 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10543 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10544 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10545 (do_store_flag): Use compare_tree_int.
10546 * fold-const.c (encode, decode): Low part is always unsigned.
10547 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10548 (lshift_double, rshift_double, lrotate_double): Likewise.
10549 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10550 (fold_convert): Use compare_tree_int.
10551 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10552 (invert_truthvalue, case INTEGER_CST): Likewise.
10553 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10554 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10555 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10556 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10558 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10559 (expand_end_case): Use compare_tree_int.
10560 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10561 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10562 (layout_decl): Likewise.
10563 (layout_record, layout_union): Make sizes unsigned.
10564 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10565 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10566 * tree.c (struct type_hash): hashcode is unsigned.
10567 (build_type_attribute_variant, type_hash_list): Likewise.
10568 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10569 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10570 (build_complex_type): Likewise.
10571 (real_value_from_int_cst): Remove unneeded casts.
10572 (integer_all_onesp): Add casts.
10573 (tree_floor_log2, compare_tree_int): New functions.
10574 (build_index_type): Use tree_int_cst_sgn.
10575 * varasm.c (assemble_variable): Use compare_tree_int.
10577 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10579 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10581 * varasm.c (make_decl_rtl): Don't add a number to members of
10583 (make_function_rtl): Likewise.
10585 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10587 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10588 patch from 2000-01-28.
10590 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10592 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10593 filled with an insn from the jump target.
10595 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10597 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10598 (c4x_external_ref): Likewise.
10599 * config/c4x/c4x.c (struct name_list): Likewise.
10601 1999-12-16 Ben Collins <bcollins@debian.org>
10603 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10604 argument to genmultilib.
10605 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10606 the contents into the multilib.h header.
10607 * gcc.c: Declare multilib_exclusions for the specs file.
10608 (set_multilib_dir): Use it.
10609 (print_multilib_info): Likewise.
10610 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10611 to pass to genmultilib.
10613 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10615 * builtins.c (built_in_class_names, built_in_names): Constify a
10618 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10620 (_mcleanup): Ensure value matches format specifier in sprintf.
10622 * cpphash.c (special_symbol): Don't needlessly cast away
10625 * cppinit.c (base_name): Delete unused prototype.
10627 * mkdeps.c (deps_init): Make definition K&R safe.
10629 * tree.h (built_in_class_names, built_in_names): Constify a
10632 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10634 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10635 floating point instructions for epilogue delay.
10637 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10638 to gas if it supports .register pseudo.
10640 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10641 LONG_DOUBLE_TYPE_SIZE if not defined.
10642 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10643 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10644 * real.c: Likewise.
10645 * gengenrtl.c: Likewise.
10646 * print-rtl.c: Likewise.
10648 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10649 MASK_LONG_DOUBLE_128.
10650 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10651 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10652 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10653 (SUBTARGET_SWITCHES): Define.
10654 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10655 with -mlong-double-128.
10656 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10657 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10658 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10659 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10660 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10661 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10662 with -mlong-double-128.
10663 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10664 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10665 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10666 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10667 TARGET_LONG_DOUBLE_128): Define.
10668 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10669 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10670 long double on TARGET_ARCH64.
10672 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10674 * function.c (free_temps_for_rtl_expr): Don't free slots
10675 that have been pushed into a higher level.
10678 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10680 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10682 * basic-block.h (ALLOCA_REG_SET): Remove.
10683 (INITIALIZE_REG_SET): New macro.
10684 * flow.c (update_life_info): Use it.
10685 (calculate_global_regs_live): Likewise.
10686 (propagate_block): Likewise.
10687 * global.c (build_insn_chain): Likewise.
10688 * haifa-sched.c (schedule_region): Likewise.
10690 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10692 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10693 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10694 (DWARF_ARANGES_PAD_SIZE): New define.
10695 (output_aranges): Use it to pad the address range header.
10696 (DWARF_ROUND): Fix for non power of 2 rounding.
10698 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10700 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10702 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10704 * tree.def (RTL_EXPR): Update documentation.
10705 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10706 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10707 * function.c (preserve_rtl_expr_temp): New function.
10708 (preserve_rtl_expr_temps): Likewise.
10709 (preserve_rtl_expr_result): Use it.
10712 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10714 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10716 * regmove.c (copy_src_to_dest) Do not create src->dest move
10717 for unchanging destination.
10719 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10721 * function.h (struct sequence_stack): Remove rtl_expr.
10722 (struct emit_staus): Likewise.
10723 (seq_rtl_expr): Remove.
10724 * tree.h (free_temps_for_rtl_expr): Don't declare.
10725 (start_sequence_for_rtl_expr): Likewise.
10726 * rtl.h (preserve_rtl_expr_result): Likewise.
10727 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10728 (start_sequence_for_rtl_expr): Remove.
10729 (push_topmost_sequence): Don't save sequence_rtl_expr.
10730 (pop_topmost_sequence): Remove comment about not restoring it.
10731 (end_sequence): Don't set seq_rtl_expr.
10732 (init_emit): Don't initialize it.
10733 (mark_sequence_stack): Don't mark it.
10734 (mark_emit_status): Likewise.
10735 * except.c (protect_with_terminate): Use
10736 start_sequence_for_rtl_expr, not start_sequence.
10737 * expr.c (expand_expr, case RTL_EXPR): Don't call
10738 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10739 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10740 (preserve_rtl_expr_result): Remove.
10741 (free_temps_for_rtl_expr): Likewise.
10742 (pop_temp_slots): Likewise.
10743 (mark_temp_slot): Don't mark the rtl_expr.
10744 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10745 start_sequence_for_rtl_expr.
10747 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10749 * mkdeps.c, mkdeps.h: New files.
10750 * po/POTFILES.in: Add them.
10751 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10752 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10753 (mkdeps.o): New target.
10755 * cppfiles.c: Delete deps_output.
10756 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10757 OBJECT_SUFFIX, and base_name.
10758 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10760 (initialize_dependency_output): Use deps_init,
10761 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10762 all the unnecessary string bashing.
10763 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10765 * cpplib.c (do_include): Use deps_add_dep.
10766 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10767 deps_allocated_size, deps_size, deps_column members with
10768 single pointer to a struct deps. Delete prototype of
10771 * cppinit.c: Fix thinko in previous patch.
10773 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10775 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10776 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10777 (mode_for_size_tree): New function.
10778 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10779 * tree.h (mode_for_size_tree): New declaration.
10781 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10783 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10785 * stmt.c (is_body_block): Move...
10786 * dwarfout.c, dwarf2out.c: ...from here.
10787 * tree.h: Declare it.
10788 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10789 * final.c (final_start_function): Do call remove_unnecessary_notes
10792 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10794 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10796 * cpplib.h (_dollar_ok): New macro.
10797 (is_idchar, is_idstart): Use it.
10798 (IStable): Rename to _cpp_IStable. Declare it const if
10799 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10800 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10801 is_space): Update for renamed IStable.
10803 * cppinit.c: Delete all references to FAKE_CONST and CAT
10804 macros. Define init_IStable as empty macro if gcc >=2.7 or
10805 C99. Change TABLE() to ISTABLE and hardcode name of table.
10806 (cpp_start_read): Don't change the IStable based on
10809 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10810 changed. Handle '$' for char1 correctly.
10811 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10813 * cppexp.c (tokentab2): Make const.
10814 (cpp_lex): Make toktab const.
10815 * cppinit.c (include_defaults_array): Make const.
10816 (initialize_standard_includes): Make default_include const.
10818 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10820 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10821 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10822 (gen_decl_die): Likewise.
10823 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10824 (output_decl): Likewise.
10826 * varasm.c (make_function_rtl): If we change the name used in the
10827 rtl, update DECL_ASSEMBLER_NAME accordingly.
10828 (make_decl_rtl): Likewise.
10830 * toplev.c (rest_of_compilation): Tweak formatting.
10832 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10833 remove_unnecessary_notes.
10834 (debug_ignore_block): New fn.
10835 * toplev.h: Declare it.
10836 * emit-rtl.c (remove_unncessary_notes): Call it.
10837 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10838 * dwarf2out.h: Declare it.
10839 * final.c (final_start_function): Don't call remove_unnecessary_notes
10840 if we did insn scheduling.
10842 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10844 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10845 * cpplib.h: Delete SET_CPP_PEDANTIC.
10847 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10849 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10850 result is a RECORD_TYPE.
10852 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10854 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10856 2000-03-03 Richard Henderson <rth@cygnus.com>
10858 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10859 addition over compliments over shifts.
10861 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10863 * reload1.c (reload_combine_note_use): Handle return register USEs.
10864 REG case: Handle multi-hard-register hard regs.
10866 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10868 * md.texi: Document use of '*' in insn pattern name.
10870 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10872 * calls.c (special_function_p): operator new may not be malloc-like.
10874 * gcse.c (dump_hash_table): Really fix error in last change.
10876 2000-03-02 Denis Chertykov <denisc@overta.ru>
10878 * avr.c (print_operand): Use print_operand_address instead of
10880 * avr/libgcc.S: Cleanup code.
10882 2000-03-02 Richard Henderson <rth@cygnus.com>
10884 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10886 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10888 * tree.h (TYPE_ALIGN_UNIT): New macro.
10890 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10892 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10894 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10896 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10898 (SET_CPP_PEDANTIC): New macro.
10899 * cpplib.c (do_include): Don't bother checking system_header_p.
10900 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10901 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10903 * function.h (struct expr_status): Add x_arg_space_so_far.
10904 (arg_space_so_far): New macro.
10905 * expr.c (init_expr): Initialize it.
10906 * calls.c (emit_call_1): Reset it.
10907 (compute_argument_block_size, expand_call): Use it.
10908 (expand_call, store_one_arg): Increment it.
10910 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10912 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10915 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10917 * cppfiles.c (cpp_read_file): New function.
10919 * cpphash.c (collect_expansion): Make sure to reset last_token
10920 to NORM when we hit a string. Handle trailing whitespace
10921 properly when the expansion is empty.
10922 (create_definition): Disable line commands while parsing the
10924 (dump_definition): If pfile->lineno == 0, output a line
10925 command ahead of the dump, and add a trailing newline.
10927 * cppinit.c (append_include_chain): Add fifth argument, which
10928 indicates whether or not system headers are C++ aware.
10929 (initialize_standard_includes): New function,
10930 broken out of read_and_prescan. Pass 'cxx_aware' value from
10931 the include_defaults_array on to append_include_chain.
10932 (dump_special_to_buffer): Const-ify char array.
10933 (builtin_array): Don't dump __BASE_FILE__.
10934 (cpp_start_read): Use cpp_read_file. Reorder code for
10935 clarity. Don't output line commands here for -D/-A/-U
10936 switches. Don't call deps_output for files included with
10937 -include or -imacros.
10939 * cpplib.c (do_define): Don't pay any attention to the second
10941 (cpp_expand_to_buffer): Disable line commands while scanning.
10942 (output_line_command): Work in the file buffer.
10943 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10944 Fix formatting of comments. Prototype cpp_read_file.
10946 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10948 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10949 reference the language-equivalent of sizetype.
10950 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10951 * fold-const.c (size_binop, size_diffop): Put back checks.
10952 * gcse.c (dump_hash_table): Fix minor error in last change.
10953 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10954 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10957 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10959 * calls.c (expand_call) Do not attempt to combine stack adjustments
10960 with inhibit_defer_pop set.
10962 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10964 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10965 the DECL_SIZE for a FIELD_DECL.
10967 2000-03-01 Bruce Korb <bkorb@gnu.org>
10969 * fixinc/inclhack.tpl: remove unused symlinks
10970 * fixinc/README: GCC Maintainer info
10971 * fixinc/inclhack.sh: regen
10972 * fixinc/fixincl.sh: regen
10974 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10976 * cpphash.c (collect_expansion): Trim trailing white space
10977 from macro definitions, but don't go past the last insertion
10980 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10982 * i386.md (mulqi3): New pattern.
10984 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10986 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10988 (struct cpp_reader): Add parsing_if_directive and
10989 parsing_define_directive flags.
10990 (struct cpp_options): Remove output_conditionals flag.
10991 (check_macro_name): Delete prototype.
10993 * cpphash.h (struct macrodef): Delete.
10994 (struct reflist): Separate from struct definition.
10995 (struct definition): Remove unused fields. Add column number.
10996 (create_definition): Returns a DEFINITION *. Takes a
10997 cpp_reader * and an int.
10999 * cpphash.c (SKIP_WHITE_SPACE): Delete.
11000 (PEEKC): Copy defn from cpplib.c.
11001 (rest_extension, REST_EXTENSION_LENGTH): Delete.
11003 (struct arglist): Simplify.
11004 (collect_expansion): Rewrite. Get tokens by calling
11005 cpp_get_token. Add more error checking.
11006 (collect_formal_parameters): New function, broken out of
11007 create_definition and reworked to use get_directive_token.
11008 (create_definition): All real work is now in collect_expansion
11009 and collect_formal_parameters. do_define handles finding the
11010 macro name. Return a DEFINITION, not a MACRODEF.
11011 (macroexpand): Replace bcopy with memcpy throughout. Replace
11012 character-at-a-time copy loop with memcpy and pointer increments.
11013 (compare-defs): d1->argnames / d2->argnames might be null.
11015 * cpplib.c (copy_rest_of_line): Delete function.
11016 (skip_rest_of_line): Do all the work ourselves.
11017 (skip_string): New function.
11018 (parse_string): Use skip_string.
11019 (get_macro_name): New function.
11020 (check_macro_name): Delete.
11021 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
11022 (cpp_skip_hspace): Use CPP_BUMP_LINE.
11023 (handle_directive): ICE if we're called on a macro buffer.
11024 (do_define): Determine macro name and type (funlike/objlike)
11025 here. Expunge all uses of MACRODEF.
11026 (cpp_push_buffer): Set line_base to NULL.
11027 (do_undef, read_line_number): Don't worry about getting a POP token.
11028 (eval_if_expression): Set/reset parsing_if_directive around
11029 cpp_parse_expr. Don't clear only_seen_white.
11030 (skip_if_group): Remove output_conditionals logic. Use
11032 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
11033 tokens under appropriate conditions.
11034 (cpp_unassert): Call do_unassert not do_assert. Oops.
11036 * cppexp.c (parse_defined): New function, break out of
11038 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
11039 ourselves, with cpp_defined.
11040 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
11042 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
11043 * gcc.dg/strpaste-2.c: New.
11045 2000-02-29 Mark Mitchell <mark@codesourcery.com>
11047 * fold-const.c (size_binop): Don't asert inputs are the same and
11048 have TYPE_IS_SIZETYPE set.
11049 (size_diffop): Likewise.
11051 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
11053 * dwarfout.c (output_block): Output abstract blocks even if they
11054 don't have TREE_ASM_WRITTEN set.
11056 * calls.c (emit_library_call): Check for null REG.
11058 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
11060 * c-decl.c (current_function_decl): Move to toplev.c.
11061 (init_decl_processing): Don't add current_function_decl as a ggc
11063 * dbxout.c (dbxout_symbol): Change return type to int.
11064 (dbxout_symbol_location, dbxout_syms): Likewise.
11065 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
11066 any locals. Use current_function_func_begin_label if set.
11067 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
11068 * dwarf2out.c (dwarf2out_begin_prologue): Set
11069 current_function_func_begin_label.
11070 * final.c (final_start_function): Reset it.
11071 * toplev.c (current_function_decl): Define it here.
11072 (current_function_func_begin_label): New variable.
11073 (main): Add both as ggc roots.
11074 * tree.h (current_function_func_begin_label): Declare.
11076 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11078 * gcse.c: Cleanups throughout: mostly white-space, but also
11079 some minor rearrangement of code.
11081 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
11083 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
11084 returns a PARALLEL. Use emit_group_load and use_group_regs
11086 (emit_library_call_value): Similarly.
11088 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
11089 * pa/quadlib.asm: Remove.
11090 * pa/quadlib.c: New file.
11092 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
11093 * configure: Rebuilt.
11095 2000-02-29 Philip Blundell <pb@futuretv.com>
11097 * config/arm/conix-elf.h: New file.
11098 * configure.in (arm*-*-conix*): New configuration.
11099 * configure: Regenerate.
11101 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
11103 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
11104 don't have TREE_ASM_WRITTEN set.
11106 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11108 * Eliminate DECL_FIELD_SIZE.
11109 * builtins.c (built_in_class_names, built_in_names): New variables.
11110 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
11111 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
11112 DECL_SIZE, not DECL_FIELD_SIZE.
11113 * print-tree.c (print_node): Remove code that prints extra blank
11114 lines in some cases.
11115 Properly handle inline and builtin function cases.
11116 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
11117 * tree.h (built_in_class_named, built_in_names): New declarations.
11118 (union tree_decl): Rename internal unions to u1 and u2 and change
11119 some of their components.
11120 Add new field built_in_class.
11121 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
11122 Reflect above changes.
11123 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
11124 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
11125 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
11126 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
11128 2000-02-28 Dmitri Makarov <dim@windriver.com>
11130 * extend.texi: Document ARM's support for long/short calls.
11132 * invoke.texi: Document ARM's -mlong-calls command line switch.
11134 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
11135 (arm_encode_call_attribute): Add prototype.
11136 (arm_set_default_type_attribute): Add prototype.
11137 (arm_strip_name_encoding): Add prototype.
11139 * config/arm/arm.c (arm_init_cumulative_args): replace
11140 initialisation og 'long_calls' field with initialisation of
11141 'call_cookie' field.
11142 (enum arm_pragma_enum): New enum.
11143 (arm_pragma_long_calls): New static variable.
11144 (arm_process_pragma): Also process "#pragma long_calls_off".
11145 (arm_valid_type_attribute_p): Accept short_call attribute.
11146 (arm_comp_type_attributes): Check long/short call attributes.
11147 (arm_encode_call_attribute): New function: Encode long_call
11148 or short_call attribute in function name.
11149 (arm_set_default_type_attributes): New function: Assign
11150 default attributes to newly defined type.
11151 (current_file_function_operand): New function: Return true if
11152 the symbol is a function which has already been compiled.
11153 (arm_is_longcall_p): New function: Return true if the
11154 indicated function should be called via a long call.
11155 (arm_get_strip_length): New function. Returns number of
11156 prefix characters to be stripped from a function's name.
11157 (arm_strip_name_encoding): New function. Strip prefix characters
11158 from a function's name.
11160 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
11161 with 'call_cookie'.
11162 (SHORT_CALL_FAG_CHAR): Define.
11163 (LONG_CALL_FAG_CHAR): Define.
11164 (ENCODED_SHORT_CALL_ATTR_P): Define.
11165 (ENCODED_LONG_CALL_ATTR_P): Define.
11166 (ARM_NAME_ENCODING_LENGTHS): Define.
11167 (STRIP_NAME_ENCODING): Define.
11168 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
11169 (ARM_ENCODE_CALL_TYPE): Define.
11170 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11171 (ARM_DECLARE_FUNCTION_SIZE): Define.
11172 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11174 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11175 if a long call is needed.
11176 (call_value): Ditto.
11177 (call_symbol): Ditto.
11179 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11180 ARM_DECLARE_FUNCTION_SIZE.
11182 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11183 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11184 (ARM_STRIP_NAME_ENCODING): Undefine.
11185 (STRIP_NAME_ENCODING): Undefine.
11186 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11187 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11188 (ASM_OUTPUT_COMMON): Ditto.
11189 (ASM_DECLARE_OBJECT_NAME): Ditto.
11191 * config/arm/pe.c (arm_dllexport_name_p): Check for
11193 (arm_dllimport_name_p): Ditto.
11194 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11195 (arm_mark_dllimport): Ditto.
11197 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11199 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11201 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11203 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11205 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11207 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11208 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11209 NO_BUILTIN_WCHAR_TYPE is not defined.
11210 (CPP_WCHAR_TYPE): Delete.
11211 * cccp.c (main): Don't change wchar_type if cplusplus.
11212 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11214 2000-02-28 Nick Clifton <nickc@cygnus.com>
11216 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11218 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11220 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11221 (ASM_WEAKEN_LABEL): Define.
11223 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11225 * expr.c (store_constructor): Do not emit USE.
11226 * rtl.h (stupid_life_analysis): Remove.
11228 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11230 * function.c (number_blocks): Reset next_block_index based on
11231 what debugging format is used, not what is defined.
11233 * lcm.c: Minor reformatting throughout.
11234 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11236 * toplev.c (rest_of_compilation): Account for time in
11237 optimize_mode_switching.
11239 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11240 if only marking labels.
11242 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11244 * calls.c (expand_call): Attempt to combine stack adjustments with
11245 pending stack adjustments.
11247 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11249 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11250 to the end of the function.
11252 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11254 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11256 * final.c (next_block_index): Remove.
11257 (max_block_depth): Likewise.
11258 (pending_blocks): Likewise.
11259 (init_final): Don't initialize them.
11260 (final_start_function): Don't set next_block_index. Set up
11262 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11263 * function.h (number_blocks): New function.
11264 * function.c (get_block_vector): New function.
11265 (identify_blocks): Use it.
11266 (reorder_blocks): Set NOTE_BLOCK.
11267 (number_blocks): New function.
11268 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11269 * tree.h (BLOCK_NUMBER): New macro.
11270 (tree_block): Add block_num field.
11271 * dbxout.c (next_block_number): Remove.
11272 (dbxout_init): Don't set it.
11273 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11274 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11276 * toplev.c (rest_of_compilation): Always call
11277 find_loop_tree_blocks. Fix indentation.
11278 * dwarf2out.c (next_block_number): Remove.
11279 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11280 to determine block numbers.
11281 (gen_inlined_subroutine_die): Likewise.
11282 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11283 (decls_for_scope): Don't increment next_block_number.
11284 * dwarfout.c (next_block_number): Remove.
11285 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11286 to determine block numbers.
11287 (output_inlined_subroutine_die): Likewise.
11288 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11289 (output_decls_for_scope): Don't increment next_block_number.
11290 * sdbout.c (next_block_number): Remove.
11291 (sdbout_block): Use BLOCK_NUMBER.
11292 (sdbout_begin_block): Simplify.
11293 * xcoffout.c (next_block_number): Remove.
11294 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11295 (xcoffout_begin_block): Don't set next_block_number.
11296 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11299 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11301 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11302 (expand_builtin_strcpy): Pass correct type to size_binop.
11303 (expand_builtin_strcmp): Likewise.
11304 Clean up conditional structure.
11305 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11306 (complete_array_type): Don't use size_binop for MAXINDEX.
11307 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11308 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11309 (c_alignof): Use size_one_node.
11310 (build_unary_op): Pass arg of proper type to size_binop.
11311 (really_start_incremental_init, push_init_level): Use sizetype for
11312 constructor{,_bit,_unfilled}_index.
11313 (pop_init_label, output_init_element): Likewise.
11314 (output_pending_init_elements, process_init_element): Likewise.
11315 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11316 * expr.c (store_expr): Use size_int.
11317 (store_constructor): Use proper types for size_binop args.
11318 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11319 (expand_expr_unaligned): Likewise.
11320 (string_contant): Return object of sizetype.
11321 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11322 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11323 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11324 * fold-const.c (int_const_binop): Refine when size_int is called.
11325 (fold_convert): Likewise.
11326 (size_int_wide): Rework to take KIND as arg, only take low order
11327 bits, handle new sizetype_tab datatype, and chain entries in
11329 (size_int_type_wide): New function.
11330 (size_binop): Validate types of arguments.
11331 (ssize_binop): Deleted.
11332 (size_diffop): New function.
11333 (extract_muldiv): Only fold division into multiplication for sizetypes.
11334 * function.c (assign_parms): Use size_diffop and make sure
11335 VAR field is of ssizetype; also pass proper type to size_binop.
11336 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11337 (round_down): Deleted from here.
11338 * store-layout.c (sizetype_tab): Now an array.
11339 (sizetype_set, early_root_list): New variables.
11340 (variable_size): Use size_one_node.
11341 (round_up): Pass proper type to size_binop.
11342 (round_down): Moved to here and corrected as above.
11343 (layout_record): Pass proper arg types to size_binop.
11344 (layout_type): Likewise.
11345 If sizetype_set is zero, record the type just laid out.
11346 (make_unsigned_type): Don't call set_sizetype;
11347 (make_signed_type): Likewise; also, call fixup_signed_type.
11348 (initialize_sizetypes): New function.
11349 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11350 set name of bitsizetype to "bit_size_type".
11351 Fix up type of sizes of all types made before call.
11352 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11353 * tree.c (fix_sizetype): Deleted.
11354 (build_common_tree_nodes): Call initialize_sizetypes.
11355 (build_common_tree_nodes_2): Don't call fix_sizetype.
11356 * tree.h (TYPE_IS_SIZETYPE): New macro.
11357 (initialize_sizetype): New declaration.
11358 (enum size_type_kind): New type.
11359 (struct sizetype_tab): Deleted.
11360 (sizetype_tab): Now array; adjust sizetype macros.
11361 (size_diffop, size_int_type_wide): New functions.
11362 (size_int_wide): Change number of args and type; access macros changed.
11363 (ssize_int, sbitsize_int): New macros.
11364 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11365 (ROUND_TYPE_SIZE_UNIT): New macro.
11367 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11369 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11371 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11373 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11374 Mark as possibly unused.
11376 * cse.c (cse_insn): Delete dead code involving tablejump.
11377 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11379 * Makefile.in (libcpp.a): Start by deleting it.
11381 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11383 * cpplib.h (enum file_change_code): Added rename_file.
11384 * cpplib.c (do_line): If a filename is given, set file_change to
11386 (output_line_command): If file_change is rename_file, always
11387 output a # directive with the file name.
11389 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11391 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11393 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11394 when copying a PARM_DECL or RESULT_DECL.
11396 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11398 * fix-header.c (recognized_function): Also fix prototypes for
11399 functions taking "void".
11401 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11403 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11404 looking at reg_reloaded_contents.
11406 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11408 * Makefile.in (STMP_FIXINC): New toggle.
11409 (LIBGCC2_DEPS): Delete all references.
11410 (stmp-headers): Delete target. All references either deleted
11411 or changed to stmp-int-headers.
11412 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11413 (LIBCPP_OBJS): Take out cppalloc.o.
11414 (cppalloc.o): Delete target.
11415 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11416 (gen-protos, fix-header): Link with libiberty.a.
11417 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11420 * configure.in: Remove refs to strerror.
11421 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11422 * system.h: Take out strerror stanza.
11424 * cpperror.c (my_strerror): Delete function.
11425 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11426 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11427 * cppalloc.c: Delete file.
11428 * gen-protos.c: Don't provide xrealloc.
11430 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11431 xstrerror throughout.
11433 2000-02-26 Bruce Korb <bkorb@gnu.org>
11435 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11436 match for DOS headers, too.
11437 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11439 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11441 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11442 is right for most ELF targets.
11443 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11444 Let the default file use %U properly.
11445 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11448 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11451 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11453 * toplev.c (documented_lang_options): Correct spelling error.
11454 (decode_d_option, decode_f_option, main): Likewise.
11456 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11458 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11459 to tell assembler it is permitted to expand large constants.
11461 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11463 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11464 (aux_info_suffix): Use.
11465 (SAVE_SUFFIX): New macro.
11466 (save_suffix): Use.
11467 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11468 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11469 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11471 * invoke.texi (Running Protoize): Update documentation.
11473 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11475 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11477 2000-02-25 John Wehle (john@feith.com)
11479 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11481 2000-02-25 Anthony Green <green@cygnus.com>
11483 * toplev.c (rest_of_compilation): Rebuild jump labels if
11484 combine_instructions has created a new direct jump.
11485 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11487 (combine_instructions): Call try_combine with new argument.
11488 Return non-null value when new direct jump instruction is created.
11489 * rtl.h: combine_instructions returns an int.
11491 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11493 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11494 jump when changing a computed jump into a jump to a known
11497 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11499 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11500 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11502 * i386.md (define_expand "clrstrsi"): Fix typo.
11504 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11506 * rtl.texi: Fix typo.
11508 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11510 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11511 UNITS_PER_WORD. Change caller initial_elimination_offset.
11512 (rounded_frame_size): Take into account that argument pushed has
11513 changed. Fix TARGET_ALIGN_DOUBLE problem.
11515 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11517 * haifa-sched.c (schedule_block): Explain the real reason
11518 we delete REG_SAVE_NOTEs on the first insn of a block.
11519 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11521 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11523 * input.h (push_srcloc): New function.
11524 (pop_srcloc): Likewise.
11525 * toplev.c (push_srcloc): Define it.
11526 (pop_srcloc): Likewise.
11528 2000-02-24 Richard Henderson <rth@cygnus.com>
11530 * flow.c (life_analysis): When collecting reg info, clear
11533 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11535 Fix bug exposed by reload.c no longer rounding the frame
11536 size to BIGGEST_ALIGNMENT:
11537 * sh.c (rounded_frame_size): New function.
11538 (sh_expand_prologue, sh_expand_epilogue): Use it.
11539 (initial_elimination_offset): Likewise.
11541 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11543 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11544 * sh-protos.h (sh_need_epilogue): Declare.
11545 * sh.c (sh_need_epilogue_known): New static variable.
11546 (sh_need_epilogue): New function.
11547 (function_epilogue): Clear need_epilogue_known.
11548 * sh.md (return): Split into expander / insn pattern.
11549 Make the expander conditional on ! sh_need_epilogue ().
11551 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11553 * machmode.h (get_mode_alignment): Declare.
11554 (GET_MODE_ALIGNMENT): Call it.
11555 * stor-layout.c (get_mode_alignment): New function. Make
11556 sure alignment is always power of 2.
11558 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11560 * i386.h: Remove useless definition of "I386" and misleading
11563 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11565 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11566 under which TREE_PERMANENT will be set.
11567 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11568 build1): Use TREE_SET_PERMANENT.
11569 * print-tree.c (print_node): Don't report value of
11570 TREE_PERMANENT if ggc_p is true.
11572 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11573 decide whether to give a type a new alias set.
11574 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11575 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11576 of value of 'obstack'.
11579 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11581 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11583 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11585 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11586 * cpplib.c (cpp_get_token): Produce them.
11587 * cppexp.c (cpp_lex): Handle them.
11589 2000-02-23 Nick Clifton <nickc@cygnus.com>
11591 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11592 comment tests on type attributes.
11594 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11596 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11597 conform to documentation.
11598 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11599 to check for special cases.
11600 * sh-protos.h (sh_loop_align): Declare.
11601 * sh.c (sh_loop_align): Define.
11603 2000-02-22 Andrew Haley <aph@cygnus.com>
11605 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11606 (SIZE_TYPE): Is 32 bits when using -mgp32.
11607 (PTRDIFF_TYPE): Ditto.
11609 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11611 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11613 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11615 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11616 BIGGEST_FIELD_ALIGNMENT a constant.
11618 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11620 * dwarf2out.c (output_line_info): Put the marker for the end of
11621 the line number info at the actual end.
11622 (gen_struct_or_union_type_die): Use decl_function_context
11623 to check for local classes.
11624 * dwarfout.c (output_type): Likewise.
11626 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11628 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11629 for arguments with a mode, but no type.
11630 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11631 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11632 * pa/long_double.h: New file.
11633 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11634 both have 128bit wide long doubles.
11635 * configure: Rebuilt.
11637 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11639 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11641 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11642 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11643 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11645 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11647 * integrate.c (compare_blocks, find_block): Likewise.
11649 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11651 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11653 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11654 expand_asm_operands): Likewise.
11656 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11658 * predict.c (estimate_probability): Added the pointer heuristic to
11659 the collection of static branch predictors.
11661 2000-02-21 Catherine Moore <clm@cygnus.com>
11663 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11664 * invoke.texi (-mfix7000): Document.
11666 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11668 * diagnostic.c (init_output_buffer): Make it possible to output at
11669 least 32 characters if we're given a too long prefix.
11671 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11673 * varasm.c (initializer_constant_valid_p): Call
11674 lang_expand_constant to simplify the constant.
11676 2000-02-20 Bruce Korb <bkorb@gnu.org>
11678 * fixinc/inclhack.def(stdio_va_list):
11679 typedef needs to be disabled.
11680 * fixinc/inclhack.sh: regen
11681 * fixinc/fixincl.x: regen
11683 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11685 * print-rtl.c (print_rtx): Don't print addresses when
11686 flag_dump_unnumbered.
11688 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11690 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11692 (sparc_va_arg, sparc_flat_output_function_prologue,
11693 sparc_flat_output_function_epilogue): Cast value to unsigned in
11695 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11697 * sparc.md: Add default case in switch.
11699 2000-02-19 Richard Henderson <rth@cygnus.com>
11701 * c-typeck.c (add_pending_init): Don't abort for multiple
11702 fields at the same offset.
11703 (pending_init_member): Test the correct member.
11705 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11707 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11709 (start_catch_handler) : Same.
11711 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11713 * Makefile.in: Have flow.o depend on $(EXPR_H)
11715 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11717 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11718 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11719 (finish_decl): Remove -Wlarger-than code from here.
11720 * flags.h (id_clash_len): Now int.
11721 (larger_than_size): Now HOST_WIDE_INT.
11722 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11723 Clean up checking to see if in table.
11724 (make_bit_field_ref): Remove extra parm to bitsize_int.
11725 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11726 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11727 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11728 and for computing size of decl.
11729 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11730 Move -Wlarger-than code to here.
11731 (layout_record): Remove extra arg to bitsize_int.
11732 Set TYPE_BINFO_SIZE_UNIT.
11733 (layout_union): Remove extra arg to bitsize_int.
11734 Use proper type for size of QUAL_UNION.
11735 (layout_type): Remove extra arg to bitsize_int.
11736 * toplev.c (id_clash_len): Now int.
11737 (larger_than_size): Now HOST_WIDE_INT.
11738 (decode_W_option): Clean up id-clash and larger-than- cases.
11739 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11740 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11741 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11742 (struct tree_decl): New field size_unit.
11743 (size_int_wide): No HIGH operand; NUMBER is now signed.
11744 (size_int_2): Deleted.
11745 (size_int, bitsize_int): Don't use it and rework args.
11746 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11748 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11750 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11752 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11754 * invoke.texi (Warning Options): Add an explanation of why
11755 you might want the -Wfloat-equal flag.
11757 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11759 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11760 * cppinit.c (new_pending_define): Add cast to avoid warning.
11761 * expmed.c (extract_bit_field): Likewise.
11762 * flow.c (enum reorder_skip_type): New type.
11763 (skip_insns_between_blcok): New it.
11764 Rework to avoid warning about possibly undefined variable.
11765 * function.c (assign_parms): Make thisparm_boundary unsigned.
11766 * genrecog.c (write_switch): Cast XWINT result to int.
11767 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11768 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11769 one for MIPS and one for Alpha.
11770 (get_tag, copy_object): Add casts to avoid warnings.
11771 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11772 * reload.c (find_reloads): Make TYPE enum reload_type.
11773 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11774 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11775 * varasm.c (compare_constant_1): Add cast to avoid warning.
11776 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11778 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11779 Cast switch operand of size to int.
11780 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11781 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11784 2000-02-18 Nick Clifton <nickc@cygnus.com>
11786 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11787 anything for an alignment of zero.
11789 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11790 anything for an alignment of zero.
11792 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11794 * gcc.texi (Bug Reporting): Refer to bugs.html.
11795 (Bug Lists): Likewise.
11796 * system.h (GCCBUGURL): New preprocessor define.
11797 * rtl.c (fancy_abort): Use it.
11798 * gcc.c (main): Likewise.
11800 2000-02-18 Richard Henderson <rth@cygnus.com>
11802 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11803 (life_analysis_1): Subsume into ...
11804 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11805 Use update_life_info for the relaxation.
11806 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11807 entry and regs_live_at_setjmp.
11808 (set_noop_p): Simplify.
11809 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11810 (record_volatile_insns): Split into ...
11811 (delete_noop_moves): ... here,
11812 (notice_stack_pointer_modification): ... here,
11813 (insn_dead_p): ... and here.
11814 (propagate_block): Don't query INSN_VOLATILE.
11815 (mark_used_regs): Mind !PROP_REG_INFO.
11816 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11817 not in life_analysis.
11819 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11821 * loop.c (canonicalize_condition): New function,
11822 broken out of get_condition.
11823 (get_condition): Use it.
11824 * expr.h (canonicalize_condition): Prototype it.
11826 * tree.h (tree_int_cst_msb): Declare.
11827 * tree.c (tree_int_cst_msb): New function.
11829 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11831 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11834 * invoke.texi (-fmessage-length=n): Document.
11836 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11838 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11840 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11842 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11843 after the prologue.
11845 2000-02-17 Nick Clifton <nickc@cygnus.com>
11847 * config/arm/thumb.c: Replace includes of system headers with
11848 #include "system.h".
11850 2000-02-16 Richard Henderson <rth@cygnus.com>
11852 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11853 Add crtbeginS.o and crtendS.o.
11854 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11855 (ENDFILE_SPEC): Use crtendS.o.
11856 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11858 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11859 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11860 shared and present.
11861 (__dso_handle): New variable.
11862 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11863 bias to __CTOR_END__.
11865 2000-02-16 Richard Henderson <rth@cygnus.com>
11867 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11869 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11871 * longlong.h (__clz_tab): Declare as static to match definition.
11873 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11875 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11876 (XREF_FILE_NAME): Define.
11878 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11879 (EH_FRAME_SECTION_ASM_OP): Define.
11880 (IDENT_ASM_OP): Define.
11881 (TEXT_SECTION_ASM_OP): Define.
11882 (CPP_SPEC): Define.
11883 (CTORS_SECTION_ASM_OP): Define.
11884 (CTOR_SECTION_FUNCTION): Use it.
11885 (DTORS_SECTION_ASM_OP): Define.
11886 (DTOR_SECTION_FUNCTION): Use it.
11888 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11890 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11893 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11894 debug_bb_n): New functions.
11895 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11896 * basic-block.h: Prototype new functions.
11898 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11900 * configure.in: Add support for avr target.
11901 * configure: Rebuilt.
11903 * invoke.texi: Add AVR invocation docs.
11904 * install.texi: Add information about AVR.
11905 * md.texi: Add AVR constraint letters description.
11906 * extend.texi: Add description for AVR specific attributes.
11908 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11910 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11912 2000-02-16 Nick Clifton <nickc@cygnus.com>
11914 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11915 (make_insn_raw): Move RTL check here.
11917 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11919 * version.c: Include gansidecl.h and version.h.
11921 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11923 * configure.in (gcc_version): When setting, narrow search to
11924 lines containing `version_string'.
11926 * Makefile.in (mainversion): Likewise.
11927 (GCC_H): New variable.
11928 (gcc.h): Delete target.
11929 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11930 (version.o): Depend on version.h.
11931 (dbxout.o): Don't depend on gcc.h.
11933 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11934 Michael Meissner <meissner@cygnus.com>
11936 * md.texi (Simple Constraints): Add item about whitespace.
11937 * genoutput.c (strip_whitespace): New.
11938 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11939 strip_whitespace for constraints.
11940 Test pointer using NULL, not 0.
11942 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11944 * cpplib.c (do_line): Pedwarn for #line > 32767.
11946 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11948 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11950 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11951 to default cpp spec.
11952 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11953 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11956 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11959 2000-02-15 Denis Chertykov <denisc@overta.ru>
11961 * configure.in: Add support for avr target.
11963 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11965 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11966 (sh_addr_diff_vec_mode): Don't declare.
11967 * sh.c (sh_addr_diff_vec_mode): Delete.
11969 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11971 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11973 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11975 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11976 (smulsi3_highpart_i): Name.
11977 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11978 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11979 (smulsi3_highpart, umulsi3_highpart): Likewise.
11981 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11982 correctly independent of endianness.
11983 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11984 confuse the optimizers.
11985 (mulsidi3+1, umulsidi3+1): New define_split.
11987 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11989 * config/sh/sh.md: Guard insn splits against illegal registers.
11990 * config/sh/sh.h: Correct comment about macros.
11992 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11993 Andrew MacLeod <amacleod@cygnus.com>
11995 * Makefile.in (lcm.o): Depend on insn-attr.h.
11996 * basic-block.h (optimize_mode_switching): Declare.
11997 * lcm.c (tm_p.h, insn-attr.h): #include.
11998 (seginfo, bb_info): New structs.
11999 (antic, transp, comp, delete, insert) : New file-scope static variables.
12000 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
12001 (reg_becomes_live, optimize_mode_switching): Likewise.
12002 * tm.texi: Add description of mode switching macros.
12003 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
12005 * sh-protos.h (remove_dead_before_cse): Remove prototype.
12006 (fldi_ok, fpscr_set_from_mem): New prototypes.
12007 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
12008 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
12009 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12010 (sh_flag_remove_dead_before_cse): Remove declaration.
12011 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
12012 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
12013 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
12014 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12015 (barrier_align): Allow for JUMP_INSNS containing a parallel.
12016 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
12017 (fldi_ok): New function.
12018 (get_fpscr_rtx): Add fpscr_rtx as GC root.
12019 (emit_sf_insn): Only generate fpu switches when optimize < 1.
12020 (emit_df_insn): Likewise.
12021 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
12022 (sh_flag_remove_dead_before_cse): Delete.
12023 (get_free_reg, fpscr_set_from_mem): New functions.
12024 * sh.md (movdf, movsf): Remove no_new_pseudos code.
12025 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
12027 2000-02-15 Loren Rittle <ljrittle@acm.org>
12029 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
12031 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12033 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
12034 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
12036 * cccp.c: Include version.h and/or don't declare `version_string'.
12037 * collect2.c: Likewise.
12038 * alpha.c: Likewise.
12039 * arm/aof.h: Likewise.
12040 * arm/coff.h: Likewise.
12041 * arm/elf.h: Likewise.
12042 * arm/pe.h: Likewise.
12043 * arm/tcoff.h: Likewise.
12044 * arm/telf.h: Likewise.
12045 * arm/tpe.h: Likewise.
12046 * arm/vxarm.h: Likewise.
12047 * convex/convex.c: Likewise.
12048 * i386/dgux.c: Likewise.
12049 * i386/sun386.h: Likewise.
12050 * m88k/m88k.c: Likewise.
12051 * mcore/mcore-pe.h: Likewise.
12052 * mips/mips.h: Likewise.
12053 * romp/romp.h: Likewise.
12054 * sh/sh.c: Likewise.
12055 * cpphash.c: Likewise.
12056 * cppinit.c: Likewise.
12057 * dwarf2out.c: Likewise.
12058 * dwarfout.c: Likewise.
12061 * mips-tfile.c: Likewise.
12062 * protoize.c: Likewise.
12063 * toplev.c: Likewise.
12064 * tree.h: Likewise.
12066 * version.c (version_string): Constify a char*.
12068 * version.h: New file.
12070 2000-02-14 Nick Clifton <nickc@cygnus.com>
12072 * configure.in: Add mcore-elf and mcore-pe targets.
12073 * configure: Regenerate.
12075 * NEWS: Add note that MCore port has been contributed.
12077 * invoke.texi: Document command line switches for MCore port.
12078 * install.texi: Add MCore to list of supported targets.
12080 2000-02-14 Geoff Keating <geoffk@cygnus.com>
12082 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
12083 then we will need to import the frame handling functions.
12084 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
12085 to import the frames themselves.
12087 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
12088 Jason Eckhardt <jle@cygnus.com>
12090 * basic_block.h: Added prototype for reorder_basic_blocks.
12091 * toplev.c: Changes to add -freorder-blocks and graph dump after
12092 block reordering is done.
12093 * flow.c (reorder_block_def): New structure for use during block
12095 (REORDER_BLOCK_*): New macros to access members of above structure.
12096 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
12097 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
12098 functions for block reordering.
12100 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
12102 * gcc.texi (Passes): Fix typo.
12103 * md.texi (Standard Names): Ditto.
12104 * tm.texi (Storage Layout): Ditto.
12106 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12108 * cpplib.c (do_define): Only free the old definition if it
12111 2000-02-13 Neil Booth <NeilB@earthling.net>
12113 * cppfiles.c (read_and_prescan): When emitting deferred
12114 newlines, test speccase[] again instead of checking each
12115 possible whitespace character in turn. When we encounter \r,
12116 look behind for \n first, then ahead.
12118 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12120 * cse.c (cse_altered): New internal flag.
12121 (cse_insn): Set it if we changed an insn.
12122 (cse_main): Clear cse_altered before each basic block.
12123 Only garbage collect if cse_altered is true afterward.
12125 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12127 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
12129 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
12131 * combine.c (simplify_comparison): Fix typo.
12133 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
12135 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
12138 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12140 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
12141 previously inserted node instead of root node. Caller changed.
12143 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12145 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
12147 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12149 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
12150 __dereg_frame_dtor): Add prototype argument.
12152 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
12154 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
12156 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
12158 * gthr-vxworks.h (__gthread_once): Likewise.
12160 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
12162 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
12164 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
12165 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
12166 stack pointer in functions w/o saved registers, output LEAVE more often
12167 on TARGET_USE_LEAVE machines.
12169 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12171 * config/arm/arm.c (arm_init_cumulative_args); New function:
12172 Initlaise the CUMULATIE_ARGS strcuture for a function
12174 (arm_function_arg): New function: Determine where to place a
12175 function's argument. Also handles deciding the function's
12177 (current_file_function_operand): New function: Return true if
12178 the symbol is a function which has already been compiled.
12179 (arm_is_long_call_p): New function: Return true if the
12180 indicated function should be called via a long call.
12181 (arm_valid_type_attribute_p): New function: Return true if the
12182 attribute is a valid, arm specific, attribute.
12183 (arm_comp_type_attribute): New function: Return true if the
12184 two types have compatable, arm specific, attributes.
12186 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12188 (FUNCTION_ARG): Redefine to call arm_function_arg.
12189 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12191 (INIT_CUMULATIVE_ARGS): Redefine to call
12192 arm_init_cumulative_args.
12193 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12195 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12197 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12199 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12200 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12201 (COMP_TYPE_ATTRIBUTES): Define.
12203 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12204 if a long call is needed.
12205 (call_value): Call arm_is_long_call_p to decide if a long call
12207 (call_symbol): Call arm_is_long_call_p to decide if a long call
12210 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12212 2000-02-11 Denis Chertykov <denisc@overta.ru>
12214 * README.AVR: New file with information about the avr ports.
12215 * config/avr: New directory with avr port files.
12217 2000-02-11 Andreas Jaeger <aj@suse.de>
12219 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12221 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12223 * cpphash.c: Fix formatting, update commentary.
12224 (dump_definition): Take three separate arguments instead of a
12225 MACRODEF structure argument.
12226 * cpphash.h: Update prototype of dump_definition.
12227 * cppinit.c (cpp_finish): Update call of dump_definition.
12229 * cpplib.c (do_define): Always create new hash entry with
12230 T_MACRO type. Remove redundant check for redefinition of
12231 poisoned identifier. Update call of dump_definition.
12232 (do_undef): Don't call check_macro_name. Rename sym_length to
12234 (do_error, do_warning): Don't use copy_rest_of_line or
12236 (do_warning): Don't use pedwarn for the actual warning,
12237 only the notice about its not being in the standard. (Fixes
12238 bug with #warning in system headers.)
12239 (do_ident): Stricter argument checking - accept only a single
12240 string after #ident. Also, macro-expand the line.
12241 (do_xifdef): Use cpp_defined. De-obfuscate.
12243 (do_pragma): Split out specific pragma handling to separate
12244 functions. Use get_directive_token. Update commentary. Do
12245 not pass on #pragma once or #pragma poison to the front end.
12246 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12247 do_pragma_default): New.
12249 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12251 * jump.c (jump_optimize_1): The first operand in a relational
12252 can be a CONST_INT.
12253 * optabs.c (emit_conditional_move): Handle relationals which
12254 have a known true/false result.
12256 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12258 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12259 a RETURN insn into a block which already ends with a jump.
12261 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12263 * haifa-sched.c (BUF_LEN): Increase a lot.
12265 2000-02-11 Nick Clifton <nickc@cygnus.com>
12267 * configure.in: Add tm_p_file specification for thumb targets.
12268 * configure: Regenerate.
12270 * config/arm/thumb-protos.h: New file: Prototypes for exported
12271 functions defined in thumb.c.
12273 2000-02-11 Robert Lipe <robertl@sco.com>
12275 * Makefile.in (bootstrap-lean): Remove additional files.
12276 (bootstrap2-lean): Likewise.
12277 (VOL_FILES): List of files for above.
12279 2000-02-11 Nathan Sidwell <nathan@acm.org>
12281 * cpphash.c (special_symbol): Remove spurious argument to
12284 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12286 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12288 * configure: Rebuilt.
12290 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12292 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12294 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12296 * pa.c, pa.h: Remove trigraph sequences within comments.
12298 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12300 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12302 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12304 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12306 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12308 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12310 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12312 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12313 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12314 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12315 (ASM_FILE_END): Use c4x_file_end.
12316 * config/c4x/c4x.c (c4x_global_label): New function.
12317 (c4x_external_ref, c4x_file_end): Likewise.
12319 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12320 (c4x_external_ref, c4x_end_file): Likewise.
12322 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12324 * cppexp.c: Don't include cpphash.h.
12325 (parse_charconst, cpp_lex): Use cpp_defined.
12326 (cpp_lex): Use get_directive_token throughout. Remove
12327 unnecessary cases from switch. Move assertion-handling code
12328 down to OTHER case.
12329 (cpp_parse_expr): If we see '+' or '-', check the context to
12330 determine if they are unary or binary operators. Streamline
12331 the jumps a bit. Do not call skip_rest_of_line.
12333 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12334 static. Export get_directive_token. Update commentary.
12335 (cpp_defined): New function.
12336 (do_define): Remove reference to T_PCSTRING. Call
12337 free_definition to release memory for old definition, when
12338 redefining a macro.
12339 (eval_if_expression): Set only_seen_white to 0 before calling
12340 cpp_parse_expr. Call skip_rest_of_line after it returns.
12341 (cpp_read_check_assertion): Don't preserve a pointer into the
12342 token buffer across a call to cpp_get_token.
12344 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12345 * cppfiles.c (redundant_include_p): Use cpp_defined.
12346 * cpphash.c (free_definition): New function.
12347 (delete_macro): Use it. Update commentary.
12348 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12350 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12351 from enum node_type. Prototype cpp_defined and get_directive_token.
12352 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12354 * fix-header.c (check_macro_names): Use cpp_defined.
12355 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12356 the options structure.
12358 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12360 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12362 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12364 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12365 rather than die->die_tag.
12367 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12369 * combine.c (make_extraction, force_to_mode): Avoid warning on
12370 mixed-signedness conditionals.
12371 (make_field_assignment, nonzero_bits): Likewise.
12372 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12373 (store_split_bit_field, extract_split_bit_field): Likewise.
12374 (extract_fixed_bit_field, store_bit_field,
12375 * expr.c: Change alignment to be unsigned everywhere.
12376 (move_by_pieces, store_constructor_field, store_constructor):
12377 Alignment parm is unsigned.
12378 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12379 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12380 (do_compare_rtx_and_jump): Likewise.
12381 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12382 Compare align with GET_MODE_ALIGNMENT.
12383 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12384 (get_inner_reference): Likewise.
12385 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12386 (expand_assignment): Local vars for alignment now unsigned.
12387 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12388 (do_compare_and_jump): Likewise.
12389 (store_field): Call new function expr_align.
12390 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12391 Alignment arg now unsigned.
12392 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12393 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12394 (extract_bit_field): Likewise.
12395 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12396 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12397 (get_best_mode): Alignment arg is unsigned.
12398 * rtl.h (move_by_pieces): Likewise.
12399 * store-layout.c (maximum_field_alignment, set_alignment):
12401 (layout_decl): Alignment arg is now unsigned.
12402 Remove unneeded casts.
12403 (layout_record, layout_union, layout_type): Remove unneeded casts.
12404 Local alignment variables now unsigned.
12405 (get_best_mode): Alignment arg now unsigned.
12406 * tree.c (expr_align): New function.
12407 * tree.h (expr_align): Likewise.
12408 (maximum_field_alignment, set_alignment): Now unsigned.
12409 (get_inner_reference): Alignment argument is now pointer to unsigned.
12410 * varasm.c (assemble_variable): Add cast to eliminate warning.
12412 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12414 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12415 then store directly into op0.
12417 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12418 the CALL_INSN, and emit the note immediately after it.
12420 2000-02-10 Nick Clifton <nickc@cygnus.com>
12422 * config/arm/thumb.md (epilogue): Include a (return) in the
12423 generated insn, and emit it using emit_jump_insn not
12426 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12428 * function.c (assign_temp): Change zero-sized arrays to size 1.
12429 * integrate.c (expand_inline_function): Do not update
12430 stack_alignment_needed
12431 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12432 add some sanity checking, remove optimization for function with
12435 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12437 * flow.c (mark_regs_live_at_end): Delete unused variables.
12439 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12441 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12442 in macro FRAME_GROWS_DOWNWARD.
12444 * stmt.c (expand_end_bindings): Delete unused variable.
12446 * unroll.c (iteration_info): Mark parameter `loop' with
12449 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12451 * fixinc/server.c (load_data): Return NULL if the marker line is
12453 (run_shell): If load_data returns NULL, retry the command once, in
12456 * configure: Rebuilt.
12458 2000-02-09 Bruce Korb <bkorb@gnu.org>
12460 * gcc/fixincludes: ** DELETED **
12461 * gcc/fixcpp: ** DELETED **
12462 * gcc/fixinc-nt.sed: ** DELETED **
12463 * gcc/just-fixinc: ** DELETED **
12464 * gcc/Makefile.in: Removed out-dated commentary
12465 * gcc/configure.in: Removed fast-fixincludes disablement.
12466 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12468 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12469 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12472 2000-02-09 Richard Henderson <rth@cygnus.com>
12474 * jump.c (delete_insn): Don't delete user labels at -O0.
12476 2000-02-09 Robert Lipe <robertl@sco.com>
12478 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12479 Don't link with HOST_LIBS.
12481 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12483 * configure.in: Correct --help text for --with-dwarf2.
12484 Put tm-dwarf2.h after other tm files, if it's requested.
12485 * configure: Regenerate.
12486 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12489 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12491 * cpplib.h: Provide HASHNODE typedef and forward decl of
12492 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12493 DEFINITION, struct hashnode, struct macrodef, struct
12494 definition, scan_decls prototype, default defn of
12495 INCLUDE_LEN_FUDGE moved elsewhere.
12497 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12498 definition, and struct hashnode moved here. Remove the unused
12499 'predefined' field from struct definition. Replace the 'args'
12500 union with its sole member. All users updated (cpphash.c).
12501 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12502 multiple include guard.
12504 * cpphash.c (hashf): Make static; use better algorithm; drop
12505 HASHSIZE parameter; return an unsigned int.
12506 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12507 used. Calculate HASHSIZE modulus here.
12508 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12510 (create_definition): Drop PREDEFINITION parameter.
12511 * cpplib.c (do_define): Don't calculate a hash value here.
12512 Don't pass (keyword == NULL) to create_definition.
12514 * scan.h: Prototype scan_decls here.
12515 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12516 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12517 callers of cpp_lookup and cpp_install updated.
12519 * cpphash.c (macarg): Hoist all the flag diddling out of the
12521 (macroexpand): ... and out of the loop that calls macarg.
12522 Skip over the initial paren before macro arguments with
12523 cpp_get_non_space_token; point may be some distance before
12524 that paren. Abort if it's not there.
12526 * cpplib.c (parse_clear_mark): Delete function.
12527 (parse_set_mark, parse_goto_mark): Make static.
12528 (ACTIVE_MARK_P): New macro.
12529 (skip_block_comment, skip_line_comment): Do not bump the line
12530 if ACTIVE_MARK_P is true.
12531 (cpp_pop_buffer): The buffer to be popped may not have an
12533 (cpp_get_token): When looking for the initial paren before
12534 macro arguments, only set a mark in a file buffer, Always
12535 return to that mark before proceeding to call macroexpand or
12536 return a NAME token.
12538 * cpplib.h: Remove prototypes of parse_set_mark,
12539 parse_clear_mark, parse_goto_mark.
12540 (struct cpp_options): Rename 'put_out_comments' to
12541 'discard_comments' and invert its sense.
12542 * cppinit.c, cpphash.c, cpplib.c: All users of
12543 put_out_comments changed to use discard_comments, with
12546 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12548 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12549 the edge from a block that both jumps and falls through to the
12552 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12554 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12555 constant source address is legitimate.
12557 2000-02-09 Philip Blundell <pb@futuretv.com>
12559 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12562 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12564 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12566 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12568 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12569 ends with a newline and a NUL. Don't be so clever manipulating
12572 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12574 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12575 not to BIGGEST_ALIGNMENT.
12577 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12579 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12580 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12581 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12582 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12583 * frame.c (execute_cfa_insn): Handle
12584 DW_CFA_GNU_negative_offset_extended.
12586 2000-02-08 Richard Henderson <rth@cygnus.com>
12588 * flow.c (tidy_fallthru_edges): Split out from ...
12589 (delete_unreachable_blocks): ... here.
12590 (find_basic_blocks): Use it.
12592 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12594 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12596 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12598 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12599 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12600 (fix-header.o): Don't depend on cpphash.h.
12602 * scan.c (hashstr): New function.
12603 * scan.h: Prototype it.
12604 * fix-header.c: Don't include cpphash.h. Use hashstr.
12605 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12606 hashstr. Report hash table statistics. Add private
12607 definition of xrealloc.
12609 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12611 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12613 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12615 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12616 jumps with returns unless they are jumps to the fallthru block.
12618 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12620 * i386.md (addqi3_cc): Fix contraints.
12622 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12624 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12626 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12628 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12629 carriage return after a macro name.
12631 2000-02-07 Fred Fish <fnf@be.com>
12633 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12634 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12636 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12638 * cppfiles.c (deps_output): Count spacers in deps_column.
12640 2000-02-07 Neil Booth <NeilB@earthling.net>
12642 * cppinit.c (initialize_dependency_output): If there is no
12643 suffix, don't try to look for known suffixes. Use strrchr.
12644 (cpp_start_read): Remove duplicate initialization.
12646 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12648 * calls.c (compute_argument_block_size): New argument
12649 preferred_stack_boundary.
12650 (expand_call): update cfun->preferred_stack_boundary, update call of
12651 compute_argument_block_size
12652 (emit_library_call): Increate cfun->preferred_stack_boundary
12653 to PREFERRED_STACK_BOUNDARY
12654 (emit_library_call_value): Likewise.
12655 * explow.c (allocate_dynamic_stack_spave): Likewise.
12656 * function.c (prepare_function_start): Set
12657 cfun->preferred_stack_boundary
12658 * function.h (struct function): Add preferred_stack_boundary field.
12659 * integrate.c (expand_inline_function): Update
12660 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12661 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12662 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12664 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12666 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12667 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12668 cpp_pedwarn, cpp_pedwarn_with_line,
12669 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12670 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12671 v_cpp_error_with_line, v_cpp_warning_with_line,
12672 cpp_message_from_errno, cpp_perror_with_name): Delete.
12674 * cpperror.c (cpp_print_containing_files): Take starting
12675 buffer as argument.
12676 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12677 (v_cpp_message): Now called directly by all entry points.
12679 (cpp_pfatal_with_name, cpp_message): Delete.
12680 (cpp_notice_from_errno, cpp_ice): New functions.
12681 (cpp_notice): Is now for reporting error conditions, just
12682 without an associated file.
12683 (cpp_error, cpp_error_with_line): Don't do anything if
12684 opts->inhibit_errors is on.
12685 (cpp_pedwarn_with_file_and_line): Take column argument also.
12687 * cpplib.h: Update prototypes of exported functions.
12688 (struct cpp_options): Add inhibit_errors.
12690 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12691 non-error messages. Include intl.h.
12693 * cppinit.c, cppmain.c: Likewise. Also, use
12694 cpp_notice_from_errno instead of cpp_perror_with_name or
12695 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12697 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12698 report internal errors.
12700 * cpplib.c (do_define): Switch bcopy to memcpy.
12701 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12703 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12704 bail out early if we hit a line comment.
12706 2000-02-06 Richard Henderson <rth@cygnus.com>
12708 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12709 * basic-block.h: Declare them.
12710 * emit-rtl.h (active_insn_p): New.
12711 (next_active_insn, prev_active_insn): Use it.
12712 * rtl.h: Declare it.
12713 * function.c (emit_return_into_block): New.
12714 (thread_prologue_and_epilogue_insns): Insert return insns instead
12715 of epilogues when possible.
12716 * jump.c (jump_optimize_1): Remove code to insert a return insn
12717 on the fallthru to the exit block.
12719 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12720 and for non-empty stack frames.
12721 * i386.md (return): Expand to return-pop as needed.
12723 2000-02-06 Richard Henderson <rth@cygnus.com>
12725 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12726 constant to op1 for testing.
12728 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12730 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12731 (fixuns_truncqfqi2): Use it.
12733 2000-02-06 Richard Henderson <rth@cygnus.com>
12735 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12736 as a TYPE_LEA insn.
12738 * i386.md (widening and peepholes): Mask the constant instead of
12741 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12743 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12744 input pointer before possibly branching off to the backslash
12746 * cpphash.c (macroexpand): Correctly delete \r escapes when
12747 stringifying parameters.
12748 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12749 if we can; bail out early if we hit a line comment.
12750 (handle_directive): Treat '# 123' in an .S file just like
12751 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12752 Return 1 for '# not_a_directive'.
12753 (get_directive_token): Pop macro buffers here, so that
12754 cpp_get_token can't sneakily move past a newline.
12756 (cpp_get_token): goto randomchar if handle_directive returns 0.
12758 * cppalloc.c: Update copyright.
12759 * cpplib.c: Merge all the static function prototypes into one
12761 * cpplib.h: Remove #if 0 block.
12763 * cpperror.c: Remove #ifdef EMACS block.
12764 * cppmain.c: Likewise.
12765 * cpphash.c: Remove #if 0 blocks.
12766 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12767 * cpplib.c: Remove #if 0 blocks and code referencing
12768 pcp_inside_if or for_lint. Remove duplicate error message.
12769 Fix error messages for #else after #else or #elif. Reformat.
12770 Remove archaic TODO list.
12771 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12773 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12775 * i386/osf1elf.h: Add missing backslash to multiline string.
12777 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12779 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12781 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12783 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12785 * c-common.c: Include expr.h.
12787 * c-pragma.c (mark_align_stack): Add prototype.
12789 * caller-save.c (add_stored_regs): Likewise.
12791 * combine.c (record_promoted_value): Likewise.
12793 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12796 * cppinit.c (new_pending_define): Likewise.
12798 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12800 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12801 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12802 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12803 class_scope_p): Likewise.
12805 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12806 dwarf2out_add_library_unit_info): Likewise.
12808 * ggc.h (ggc_page_print_statistics): Likewise.
12810 * haifa-sched.c (propagate_deps): Likewise.
12812 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12814 * rtl.h (set_stack_check_libfunc): Likewise.
12816 * toplev.h (set_fatal_function): Likewise.
12818 * toplev.c (set_fatal_function): Delete prototype.
12820 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12822 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12824 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12825 (FUNC_END): Likewise.
12827 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12829 * caller-save.c: Include tm_p.h.
12831 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12833 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12835 2000-02-04 Neil Booth <NeilB@earthling.net>
12837 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12840 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12842 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12843 * genflags.c: Use the max_operand_1 logic from genemit.c to
12844 calculate how many arguments gen_insn prototypes have. Remove
12845 NO_MD_PROTOTYPES ifdefs from the generated file.
12846 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12847 file. Cast gen_insn initializers to insn_gen_fn.
12848 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12849 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12851 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12853 * fixinc/Makefile.in (HDR): Add machname.h.
12856 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12858 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12859 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12860 (c4x_cpu_version): Ditto.
12861 * config/c4x/c4x-protos.h: ... here.
12863 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12865 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12866 gen_abstract_function on our context if we're a nested function.
12868 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12870 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12871 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12873 2000-02-04 Bruce Korb <bkorb@gnu.org>
12875 * fixinc/genfixes(machname.h):
12876 Move the functionality from gen-machine.h into this file.
12877 UNdef MN_NAME_PAT if there are no names to change.
12878 Also, be a little kinder when AutoGen is not present.
12880 * fixinc/Makefile.in(machname.h):
12881 Change the generation rule to use genfixes.
12883 * fixinc/fixfixes.c(machine_name):
12884 machine_name_fix's functionality now dependent upon whether
12885 MN_NAME_PAT is defined.
12887 * fixinc/fixtests.c(machine_name):
12890 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12893 * fixinc/fixlib.h(mn_get_regexps):
12896 * fixinc/gen-machine.h: DELETED
12898 2000-02-04 Jan Hubicka <jh@suse.cz>
12899 Richard Henderson <rth@cygnus.com>
12901 * i386.c (SAVE_REGS_FIRST): Remove.
12902 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12903 (ix86_compute_frame_size): Likewise.
12904 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12905 (ix86_emit_restore_regs): Remove.
12906 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12907 when a frame pointer is in use.
12908 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12909 instead of pop to restore a register when profitable; emit leave
12911 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12912 as a TYPE_LEA insn.
12913 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12914 * i386.md (prologue_allocate_stack): Remove.
12915 (epilogue_deallocate_stack): Remove.
12916 (pro_epilogue_adjust_stack): New.
12918 2000-02-04 Richard Henderson <rth@cygnus.com>
12920 * function.c (diddle_return_value): Rework to use a callback function.
12921 Use current_function_return_rtx if it's been set up.
12922 (do_clobber_return_reg, clobber_return_register): New.
12923 (do_use_return_reg, use_return_register): New.
12924 (expand_function_end): Use them.
12925 * stmt.c (expand_null_return): Likewise.
12926 * function.h: Declare them.
12927 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12928 (mark_reg): Change arguments as appropriate for callback.
12929 * integrate.c (expand_inline_function): Revert 19 Jan change.
12931 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12933 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12934 (Misc): Say the scheduler, not the Haifa scheduler.
12936 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12938 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12939 when in_mem is set. Update all callers.
12941 2000-02-04 Richard Henderson <rth@cygnus.com>
12943 * i386/openbsd.h (INT_ASM_OP): Define.
12945 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12947 * tm.texi: Fix various typos.
12949 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12951 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12952 (MD_STARTFILE_PREFIX_1): New macro.
12954 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12956 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12957 destination when needed.
12958 (strmovsi, strsetsi): New expander.
12959 (strmovsi_1, strsetsi_1): New pattern.
12960 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12961 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12962 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12963 * invoke.texi (align-stringops, inline-all-stringops): Document.
12965 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12967 * i386/netbsd.h (INT_ASM_OP): Define.
12969 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12971 * cpplib.h (cpp_reader): Add new flag, no_directives.
12972 * cpphash.c (macarg): Set it.
12973 * cpplib.c (handle_directive): If no_directives is on and we
12974 find a directive, issue an error and discard the line.
12976 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12978 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12979 FP constants. Add ! TARGET_FPU check for FP constants.
12981 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12983 * flow.c (find_basic_blocks): Don't kill label_value_list
12985 (cleanup_cfg): Kill it here.
12987 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12989 * expr.c (store_field): Ensure ALIGN is no stricter than the
12992 2000-02-02 Richard Henderson <rth@cygnus.com>
12994 * jump.c (delete_insn): Partially revert 19 Jan change;
12995 don't convert unused code labels to notes at -O0.
12997 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12999 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
13000 split_all_insns to recreate REG_LABEL notes for flow2 pass.
13002 2000-02-01 Richard Henderson <rth@cygnus.com>
13004 * i386.c (general_no_elim_operand): New.
13005 (nonmemory_no_elim_operand): New.
13006 (ix86_expand_move): Copy eliminable operands before a push.
13007 * i386-protos.h: Declare new functions.
13008 * i386.h (CAN_ELIMINATE): Simplify.
13009 (PREDICATE_CODES): Update.
13010 * i386.md (push insns): Don't allow eliminable register operands.
13012 2000-02-01 Richard Henderson <rth@cygnus.com>
13014 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
13015 replace BLKmode with DECL_RTL's mode.
13017 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
13019 * frame.c (find_fde): Convert for loop to do-while so compiler
13020 sees it's always executed at least once.
13021 * libgcc2.c (BBINBUFSIZE): Kill.
13022 (__bb_init_prg): Use fgets.
13023 (__bb_exit_trace_func): Don't paste strings.
13024 * unroll.c (unroll_loop): Initialize unroll_type, not
13025 unroll_number, and tweak logic to match.
13027 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
13029 (ix86_flags_dependant): Likewise. Disentangle control flow.
13030 (ix86_sched_reorder): Break guts out to
13031 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
13032 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
13035 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
13036 use string concatenation. Don't save and restore esi.
13038 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
13039 (machname.h): Remove script to separate file. Use two-step
13040 sequence so target is not created if script fails.
13041 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
13042 identifiers are defined.
13043 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
13044 an empty string, machine_name doesn't need to do anything at
13046 (is_cxx_header): Add more cases to regexp.
13047 * fixinc/fixlib.h: Update prototype.
13048 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
13050 * fixinc/fixincl.c: Define NO_BOGOSITY.
13052 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
13053 (hp_sysfile): Add missing comma.
13054 (math_exception): Put the wrapper ifdefs at the beginning and
13055 the end of the file.
13056 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
13058 2000-02-01 Richard Henderson <rth@cygnus.com>
13060 * sparc.c (fp_zero_operand): Turn into a normal predicate.
13061 Use CONST0_RTX. Update all callers.
13062 * sparc.h, sparc-protos.h: Update accordingly.
13063 * sparc.md (fp mov insns): Use fp_zero_operand directly
13066 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13068 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
13071 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13073 * Makefile.in (specs.ready): New target.
13074 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
13076 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13078 * fixinc.irix: Use unique filenames for writing into /tmp,
13079 * fixinc.ptx: Likewise.
13080 * fixinc.sco: Likewise.
13081 * fixinc.svr4: Likewise.
13082 * fixinc.winnt: Likewise.
13084 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13086 * tsystem.h: New file.
13088 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
13089 s-crtS): Depend on tsystem.h.
13091 * crtstuff.c: Include tsystem.h.
13092 * frame.c: Likewise.
13093 * libgcc2.c: Likewise.
13095 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
13097 * builtins.c (expand_builtin_memset): Expand for variable sized
13100 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
13102 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
13105 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13107 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
13109 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
13111 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
13113 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
13114 case 3->2 combining (combining with splitting) in which 2 is CC0
13115 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
13116 checked at the begining of the function with the aid of calling
13117 function 'can_combine_p'.
13119 2000-01-31 Dave Brolley <brolley@redhat.com>
13121 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
13123 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
13125 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
13128 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13130 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
13132 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
13135 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13137 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
13138 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
13139 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
13140 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
13141 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
13142 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
13143 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
13144 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
13145 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
13146 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
13148 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
13149 Add %(cpp_cpu) to CPP_SPEC.
13151 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
13152 Add %(cc1_cpu) to CC1_SPEC.
13154 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13156 * c-decl.c (c_decode_option): Accept optional numeric argument to
13157 -Wformat and set warn_format.
13158 * c-common.c: Don't emit warning about non-constant printf format
13159 string unless warn_format > 1.
13161 2000-01-30 Richard Henderson <rth@cygnus.com>
13163 * alpha.md (return_internal): Allow after reload only.
13165 2000-01-30 Richard Henderson <rth@cygnus.com>
13167 * i386.c (ix86_compute_frame_size): Omit padding1 if the
13168 local frame size is zero.
13170 2000-01-30 Richard Henderson <rth@cygnus.com>
13172 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13173 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13174 * alpha.md (return): Turn into an expander.
13175 (return_internal): Don't use $26.
13176 (epilogue): Emit the return insn.
13178 2000-01-30 Richard Henderson <rth@cygnus.com>
13180 * alpha.md (negtf2, abstf2): Fix word order thinko.
13181 (extendsftf2): New.
13182 (trunctfsf2): Avoid intermediate rounding errors.
13184 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13186 * cppfiles.c (find_position): Drop 'colp' argument, return the
13188 (read_and_prescan): Adjust to match. Don't ever manipulate
13189 line or line_base except via find_position.
13191 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13193 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13194 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13197 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13199 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13200 just print "<command line>". If 'filename' is null or an
13201 empty string, print "<stdin>" for the filename.
13202 * cpplib.c (do_define): Don't print the 'location of the
13203 previous definition' message if we're still parsing the
13205 (cpp_pedwarn_with_file_and_line): Always call
13206 cpp_file_line_for_message.
13208 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13210 * flow.c (mark_regs_live_at_end): Fix typo.
13212 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13214 * c-common.c: Adjust variable names, comments, help strings to c99.
13215 * c-lex.c: Likewise.
13216 * c-parse.y: Likewise.
13217 * c-tree.h: Likewise.
13218 * cccp.c: Likewise.
13219 * cpplib.h: Likewise.
13220 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13221 * cppinit.c: Likewise.
13223 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13225 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13226 * c4x.c: Define the optab rtx values.
13227 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13228 (c4x_emit_libcall): Use new optab rtx values.
13229 (c4x_emit_libcall3): Likewise.
13230 (c4x_emit_libcall_mulhi): Likewise.
13231 * c4x-protos.h: Add prototypes for optab rtx values and change
13232 prototypes for above c4x_emit_libcall functions.
13234 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13236 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13238 (c4x_function_prologue): Use regnames intead of float_reg_names when
13240 (c4x_function_epilogue): Likewise.
13241 (c4x_print_operand): Likewise.
13242 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13243 * c4x.md (set_high): Disable for TARGET_TI.
13245 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13247 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13248 of framepointer + constant to ADDR_REGS class.
13249 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13250 * c4x.c (std_or_reg_operand): New function.
13251 * c4x-protos.h (std_or_reg_operand): Prototype it.
13253 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13255 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13256 object names as libgcc2.c.
13257 * libgcc.S: Use newly defined names.
13259 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13260 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13262 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13263 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13264 (FLOW_LOOP_LAST_BLOCK): Likewise.
13266 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13268 * basic-block.h (struct loop): New fields 'first' and 'last'.
13269 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13270 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13271 and loop->last to check for NOTE_INSN_LOOP_END.
13273 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13275 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13276 of the loop descriptor rather than HEADER and LATCH. Also added
13277 missing break statements as well making some coding style modifications
13278 as suggested by Michael Hayes.
13280 2000-01-28 Richard Henderson <rth@cygnus.com>
13282 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13283 Break out that code ...
13284 (cleanup_cfg): ... here.
13285 (commit_one_edge_insertion): Detect a return instruction being
13286 emitted to an edge. Emit a barrier following; clear fallthru.
13287 (commit_edge_insertions): Verify CFG consistency.
13288 * function.c (expand_function_start): Kill unused variable.
13289 (expand_function_end): Likewise.
13290 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13291 to insert the epilogue.
13293 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13294 (delete_null_pointer_checks): Likewise.
13295 * output.h: Likewise.
13296 * reg-stack.c (reg_to_stack): Likewise.
13297 * toplev.c (rest_of_compilation): Likewise. Run
13298 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13300 2000-01-28 Richard Henderson <rth@cygnus.com>
13302 * Makefile.in (flow.o): Revert 24 Jan change.
13303 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13304 FUNCTION_VALUE result to DECL_RESULT's mode.
13306 * haifa-sched.c (schedule_insns): Don't recompute reg info
13309 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13311 * configure.in: Make --enable-cpplib the default.
13312 * configure: Regenerate.
13313 * gcc.dg/990119-1.c: No longer expected to fail.
13315 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13317 * jump.c (jump_optimize_1): Delete an optimization that is also done
13318 by merge_blocks in flow.
13320 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13322 * diagnostic.c (build_message_string, output_printf,
13323 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13324 (build_location_prefix): Fix non-literal format string.
13326 2000-01-27 Richard Henderson <rth@cygnus.com>
13328 * alpha.md (trunctfsf2): New.
13330 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13332 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13334 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13336 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13338 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13340 (skip_comment) ... here. Permit C++ comments in system
13341 headers always. Warn about C++ comments in user code under
13342 -std=gnu89 -pedantic.
13343 (copy_comment): Use skip_comment.
13344 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13346 (consider_directive_while_skipping, do_else, do_endif): Call
13347 validate_else unconditionally.
13348 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13349 text after the conditional in a system header.
13350 * cpplib.h (struct cpp_buffer): Add flag
13351 warned_cplusplus_comments.
13353 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13355 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13356 Use unshare_all_rtl_1.
13357 (unshare_all_rtl_again): New function.
13358 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13360 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13361 rather than resetting the 'used' flags ourself.
13363 * toplev.c (rest_of_compilation): Add current_function_decl
13364 to the unshare_all_rtl call.
13365 * tree.h: Prototype unshare_all_rtl.
13366 * rtl.h: Prototype unshare_all_rtl_again here.
13368 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13370 * genoutput.c (output_prologue): Include ggc.h in generated
13372 * Makefile.in (insn-output.o): Depends on ggc.h.
13374 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13375 Hans-Peter Nilsson <hp@bitrange.com>
13377 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13378 Remove redundant include of xm-ns32k.h.
13379 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13380 Remove redundant include of xm-ns32k.h.
13381 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13382 Remove redundant include of xm-ns32k.h.
13383 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13385 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13386 (TARGET_SWITCHES): Add documentation strings.
13387 (DWARF_FRAME_REGNUM): Override default definition.
13388 (REG_CLASS_CONTENTS): Add comments.
13389 (SUBSET_P): Format to reduce line length.
13390 (SMALL_REGISTER_CLASSES): Make a run time option.
13391 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13392 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13393 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13394 (regclass_map): fix typo in comment.
13395 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13396 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13397 (trace, reg_or_mem_operand): Delete, unused function.
13398 (calc_address_cost): Small offsets are cheaper than large ones.
13399 (expand_block_move): Generate more efficient code when bytes is a
13400 known at compile time.
13401 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13402 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13403 instead of reg_or_mem_operand.
13405 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13406 not general_operand. Similarly use "=rm" or stricter, not "=g".
13407 For input operands, use stricter constraints than "g" if not
13408 general_operand. Similarly use stricter predicate than
13409 "general_operand" when stricter constraints than "g" are present,
13410 except for matching constraints.
13411 (movstrsi): Use "memory_operand" for operands 0 and 1.
13412 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13413 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13414 not reg_or_mem_operand.
13415 (udivmoddisi4): Ditto.
13416 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13417 Use nonimmediate_operand for operand 3, not register_operand.
13418 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13419 reg_or_mem_operand.
13421 2000-01-27 Fred Fish <fnf@be.com>
13423 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13424 * gthr-single.h: Likewise.
13425 * gthr-solaris.h: Likewise.
13426 * gthr-vxworks.h: Likewise.
13427 * gthr-win32.h: Likewise.
13428 * gthr.h: Likewise.
13430 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13432 * cppinit.c: Add " (cpplib)" to end of string printed by
13435 2000-01-27 Richard Henderson <rth@cygnus.com>
13437 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13438 testing for a signed comparison.
13439 (alpha_emit_floatuns): New.
13440 * alpha-protos.h: Declare it.
13441 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13442 (extendsfdf2): Tidy.
13444 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13446 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13447 no -g option specifying debugging format, default to -gstabs+.
13449 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13451 * calls.c (special_function_p): New argument fork_or_exec.
13452 (expand_call): When profile_arc_flag is set and the function
13453 is in the fork_or_exec group, call __bb_fork_func first.
13454 * libgcc2.c, _bb module (__bb_fork_func): New function.
13455 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13457 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13458 * tree.h (special_function_p): Update prototype.
13460 2000-01-26 Richard Henderson <rth@cygnus.com>
13462 * alpha.c (alpha_split_tfmode_pair): New.
13463 * alpha-protos.h: Declare it.
13464 * alpha.md (abstf2, negtf2): New.
13465 (movtf insn): Add input G constraint.
13466 (movtf splitter): Use alpha_split_tfmode_pair.
13468 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13470 * i386/cygwin.h: PROTO -> PARAMS.
13472 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13474 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13475 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13476 using _Qp_cmp/_Q_cmp and testing the return value.
13477 (print_operand): Call reverse_condition_maybe_unordered if
13478 we are handling CCFPmode or CCFPEmode.
13479 Handle ORDERED, UN* and LTGT comparisons.
13480 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13481 if not TARGET_HARD_QUAD.
13482 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13483 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13484 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13485 Adjust gen_b* calls so that they reflect return comparison of
13486 sparc_emit_float_lib_cmp.
13488 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13490 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13491 incoming operands array is large enough for one more operand.
13492 (alpha_emit_xfloating_arith): Likewise.
13494 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13496 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13497 file with one line and no trailing newline.
13498 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13499 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13500 checking if the match is on the line.
13501 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13503 2000-01-25 Richard Henderson <rth@cygnus.com>
13505 * sparc.c (output_cbranch): Fix accidental squashing of the
13506 fp branch pre-delay nop.
13508 2000-01-25 Richard Henderson <rth@cygnus.com>
13510 * tree.def (UNNE_EXPR): Remove.
13511 * c-typeck.c (build_binary_op): Don't handle it.
13512 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13514 * rtl.def (UNNE): Remove.
13516 * jump.c (reverse_condition): Update accordingly.
13517 (swap_condition): Likewise.
13518 (comparison_dominates_p): Handle unordered comparisons.
13519 (reverse_condition_maybe_unordered): New.
13520 * rtl.h (reverse_condition_maybe_unordered): Declare.
13522 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13523 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13524 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13525 * sparc.md (bltgt): New.
13527 2000-01-25 Nick Clifton <nickc@redhat.com>
13529 * emit-rtl.c (emit_insn): Only check machine class insns for
13530 improper emission of a RETURN.
13532 2000-01-25 Richard Henderson <rth@cygnus.com>
13534 * Makefile.in (flow.o): Depend on $(EXPR_H).
13535 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13536 duplicate the structure of diddle_return_value for keeping regs live.
13538 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13540 * loop.c (current_loop_info): Delete.
13541 (consec_sets_invariant_p): Add loop argument, update callers.
13542 (get_condition_for_loop): Likewise.
13543 (count_nonfixed_reads, update_giv_derive): Likewise.
13544 (simplify_giv_expr, general_induction_var): Likewise.
13545 (consec_sets_giv, recombine_givs): Likewise.
13546 (move_movables): Delete loop_start and loop_end arguments,
13547 add loop argument, and update callers.
13548 (find_mem_givs, check_final_value): Likewise.
13549 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13550 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13552 (basic_induction_var): Add loop argument, delete loop_level argument,
13553 and update callers.
13554 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13555 add loop argument, and update callers.
13556 (find_splittable_regs, find_splittable_givs): Likewise.
13557 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13558 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13559 (biv_total_increment): Delete loop_start and loop_end arguments;
13561 (precondition_loop_p): Delete loop_start and loop_info arguments;
13563 * loop.h (get_condition_for_loop): Add loop argument.
13564 (biv_total_increment): Delete loop_start and loop_end arguments.
13565 (precondition_loop_p): Delete loop_start and loop_info arguments;
13567 (final_biv_value): Delete loop_start and loop_end arguments;
13569 (final_giv_value, back_branch_in_range_p): Likewise.
13571 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13573 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13575 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13577 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13578 point to the new "generated_files" doc.
13580 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13582 * config/fp-bit.c (_unord_f2): Fix typo.
13584 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13586 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13587 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13588 functions obsoleted by GC, such as push_obstacks_nochange,
13589 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13590 and code which existed only to decide whether or not to call
13591 them. Remove now-unused NESTED argument from start_function;
13592 all callers changed. Do not change behavior based on ggc_p.
13593 The use of the ixp_obstack in c-iterate.c and the util_obstack
13594 in objc/objc-act.c remain; these are not obsoleted by garbage
13596 * c-tree.h: Update prototype for start_function.
13598 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13600 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13602 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13605 2000-01-25 Richard Henderson <rth@cygnus.com>
13607 * sparc-protos.h (select_cc_mode): Declare.
13608 * sparc.c (select_cc_mode): New. Handle unordered compares.
13609 (output_cbranch): Always reverse via code change. Handle
13610 unordered compares. Factor tests and string updates.
13611 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13612 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13613 * sparc.md (bunordered, bordered): New.
13614 (bungt, bunlt, buneq, bunge, bunle): New.
13616 2000-01-25 Richard Henderson <rth@cygnus.com>
13618 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13619 * ggc-common.c (ggc_add_rtx_varray_root): New.
13620 (ggc_mark_rtx_varray): New.
13621 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13622 functions down below ggc_mark_foo.
13623 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13625 2000-01-25 Richard Henderson <rth@cygnus.com>
13627 * alpha.c (secondary_reload_class): Don't allocate a secondary
13628 for integral mode memories into FLOAT_REGS. Rearrange the more
13629 complicated memory expression inward.
13631 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13633 * inclhack.def: Fixes to play nicer with FreeBSD, and
13634 corrections to comments.
13635 (cxx_unready): Add select expression.
13636 (irix_sockaddr): Add bypass expression.
13637 (machine_ansi_h_va_list): New fix.
13638 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13639 Split out addition of "#include <stdarg.h>" to...
13640 (stdio_stdarg_h): ... here.
13641 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13642 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13643 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13645 (ultrix_ifdef): Tighten up select expression.
13647 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13648 re_ct and max_mach to avoid use of shell. Make printed names
13649 match names in inclhack.def. Use static copyright date.
13650 Don't count c_test and test expressions as requiring regex_t
13651 slots. Add some commentary.
13652 * inclhack.tpl: Do not include the 'This script contains N
13653 fixup scripts' line if PROGRAM is defined. Use static
13656 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13658 * dwarf2out.c: include "varray.h", not dyn-string.h.
13659 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13660 (addr_const_to_string, addr_to_string): Lose.
13661 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13662 (struct dw_val_struct): val_addr is now an rtx.
13663 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13664 (used_rtx_varray): New varray.
13665 (dwarf2out_init): Initialize it.
13666 (save_rtx): New fn.
13667 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13669 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13670 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13671 * Makefile.in (dwarf2out.o): Update dependencies.
13673 2000-01-24 Richard Henderson <rth@cygnus.com>
13675 * i386.c (i386_dwarf_output_addr_const): New.
13676 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13678 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13680 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13681 * i386.c (i386_simplify_dwarf_addr): New.
13682 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13684 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13686 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13687 TYPE_STUB_DECL is NULL.
13689 2000-01-24 Richard Henderson <rth@cygnus.com>
13691 * builtins.c (expand_tree_builtin): Move ...
13692 * c-common.c (expand_tree_builtin): ... here.
13694 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13696 * loop.h (LOOP_INFO): New accessor macro.
13697 * basic-block.h (struct loop): Rename field `info' to `aux'.
13698 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13699 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13700 * unroll.c (loop_iterations, unroll_loop): Likewise.
13702 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13704 * config/i386/t-cygwin: Accomodate new winsup directory layout
13705 when searching for include files.
13707 2000-01-24 Richard Henderson <rth@cygnus.com>
13709 * rtl.def: Add unordered fp comparisions.
13710 * tree.def: Likewise.
13711 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13713 * builtins.c (expand_tree_builtin): New function.
13714 * c-typeck.c (build_function_call): Use it.
13715 (build_binary_op): Support unordered compares.
13716 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13718 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13719 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13720 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13721 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13722 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13724 (swap_condition): Handle unordered compares.
13725 (thread_jumps): Check can_reverse before reversing.
13726 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13729 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13730 setcc is present before acking for cmp_optab. Update all callers.
13731 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13732 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13733 * expr.c (expand_expr): Likewise. Support unordered compares.
13734 (do_jump, do_store_flag): Likewise.
13735 * expr.h (enum libfunc_index): Add unordered compares.
13737 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13738 (DPBIT_FUNCS): Add _unord_df.
13739 * config/fp-bit.c (_unord_f2): New.
13740 * fp-test.c (main): Try unordered compare builtins.
13742 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13743 * alpha.c (alpha_comparison_operator): Check mode properly.
13744 (alpha_swapped_comparison_operator): Likewise.
13745 (signed_comparison_operator): Likewise.
13746 (alpha_fp_comparison_operator): New.
13747 (alpha_emit_conditional_branch): Handle unordered compares.
13748 * alpha.h (PREDICATE_CODES): Update.
13749 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13750 (bunordered, bordered): New.
13752 2000-01-24 Richard Henderson <rth@cygnus.com>
13754 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13755 * alpha.md (movtf): New expander, insn, and splitter.
13757 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13759 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13762 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13764 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13765 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13766 REG_ALLOC_ORDER): Add frame pointer
13767 (FRAME_POINTER_REGNUM): Set to 20
13768 (HARD_FRAME_POINTER_REGNUM): New macro.
13769 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13770 to HARD_FRAME_POINTER.
13771 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13772 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13773 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13774 (HI_REGISTER_NAMES): Add "frame".
13775 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13776 (debug_reg): Handle FRAME_POINTER_REGNUM.
13777 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13778 GENERAL_REGS and INDEX_REGS.
13779 * i386.c (SAVED_REGS_FIRST): new macro.
13780 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13781 (ix86_decompose_address, memory_address_length): Likewise.
13782 (regclass_map): Add frame pointer.
13783 (call_insn_operand): Handle frame_pointer_rtx.
13784 (reg_no_sp_operand): Likewise.
13785 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13786 (print_operand, legitimize_pic_address): Fix formating.
13787 (ix86_compute_frame_size): Make static, update prototype, new
13788 parameters padding1, padding2, use ix86_nsaved_regs, use
13789 stack_alignment_needed.
13790 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13791 to HARD_FRAME_POINTER_REGNUM conversions.
13792 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13793 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13794 (print_reg): Abort on FRAME_POINTER_REGNUM
13796 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13798 * i386.h (PREDICATE_CODES): Add aligned_operand.
13799 * i386.c (aligned_operand): New function.
13800 (ix86_aligned_p): Kill.
13801 * i386.md (movhi_1): Emit mov for aligned operands.
13802 (promoting peep2s): Use aligned_operand.
13804 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13806 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13807 expression to allow underscores in macro names.
13808 (fix_char_macro_defines): Increment scanning pointer.
13810 2000-01-23 Richard Henderson <rth@cygnus.com>
13812 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13813 * alpha/osf5.h: New file.
13814 * configure.in (alpha-*-osf5): Add it to tm_file.
13816 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13818 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13819 (alpha_emit_xfloating_cvt, function_arg): Declare.
13820 * alpha.c (alpha_emit_conditional_branch): Call
13821 alpha_emit_xfloating_compare for TFmode compares.
13822 (alpha_lookup_xfloating_lib_func): New.
13823 (alpha_compute_xfloating_mode_arg): New.
13824 (alpha_emit_xfloating_libcall): New.
13825 (alpha_emit_xfloating_arith): New.
13826 (alpha_emit_xfloating_compare): New.
13827 (alpha_emit_xfloating_cvt): New.
13828 (print_operand): Add default abort case.
13829 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13830 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13831 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13832 (RETURN_IN_MEMORY): True for TF/TCmode.
13833 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13834 (FUNCTION_ARG): Move to function_arg.
13835 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13836 (ASM_OUTPUT_LONG_DOUBLE): New.
13837 (ASM_OUTPUT_DOUBLE): Always output bits.
13838 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13839 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13840 (extenddftf2, trunctfdf2): New.
13842 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13844 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13845 * config/sparc/sol2.h: ... here.
13847 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13849 * basic-block.h (struct loops): New field `levels'.
13850 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13851 (flow_loop_level_compute): Initialise level to 1.
13852 (flow_loops_find): Set loops->levels.
13853 (flow_loops_dump): Print loops->levels.
13855 2000-01-23 Richard Henderson <rth@cygnus.com>
13857 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13858 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13860 2000-01-23 Richard Henderson <rth@cygnus.com>
13862 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13863 * i386.h (DBX_REGISTER_NUMBER): Use them.
13864 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13865 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13866 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13867 * i386/sequent.h: Kill incorrect comment.
13869 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13871 * ggc-page.c (struct page_entry): Make `context_depth' an
13873 (struct globals): Likewise.
13875 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13877 * loop.c (check_dbra_loop): When checking a loop for
13878 reversability, check the source of any stores to ensure
13879 they don't depend on an initial value.
13881 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13883 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13885 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13887 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13888 'pz_scan' into scope of entire function. Only affects
13889 compiles with -DDEBUG.
13891 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13893 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13894 section naming to that prior to 2000-01-07 patch.
13895 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13896 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13897 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13898 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13899 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13901 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13903 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13906 2000-01-21 Jim Wilson <wilson@cygnus.com>
13908 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13909 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13911 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13913 * cpphash.c (change_newlines): Delete function.
13914 (struct argdata): Delete 'newlines' and 'use_count' fields.
13915 (macroexpand): Remove code referencing those fields.
13917 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13919 * loop.c (loops_info): New variable.
13920 (loop_optimize): Allocate loops->array and free it on exit.
13921 Allocate memory for loops_info and assign to each loop,
13923 (find_and_verify_loops): Do not allocate loops->array.
13925 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13927 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13929 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13931 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13932 pseudos if expanded after first flow.
13933 (movdi_pic_label_ref): Likewise.
13935 2000-01-20 Richard Henderson <rth@cygnus.com>
13937 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13939 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13941 * Makefile.in (fixinc.sh): Depend on specs.
13942 * fixinc/Makefile.in: Add rule to create machname.h.
13943 (fixlib.o): Depend on machname.h.
13944 * fixinc/fixtests.c (machine_name): New test.
13945 * fixinc/fixfixes.c (machine_name): New fix.
13946 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13947 the machine_name test and fix.
13948 * fixinc/fixlib.h: Prototype it.
13949 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13950 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13952 * gcc.c (do_spec_1) [case P]: Take care not to create
13953 identifiers with three leading or trailing underscores.
13955 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13956 (fixincl): Don't specify libraries twice on link line.
13957 (gnu-regex.o): Remove special rule.
13958 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13959 defined by config.h. Do not define _REGEX_RE_COMP.
13960 (regcomp): Allocate and initialize a fastmap.
13961 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13963 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13965 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13967 2000-01-19 Richard Henderson <rth@cygnus.com>
13969 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13970 arguments with BB. Update all callers. Tidy line wrapping.
13972 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13974 * emit-rtl.c (try_split): Return last_insn if we split the
13977 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13979 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13980 (ix86_initial_elimination_offset): Declare.
13981 * i386.c (ix86_nsaved_regs): Break out from ...
13982 (ix86_can_use_return_insn_p): ... here.
13983 (ix86_emit_save_regs): Break out from ...
13984 (ix86_expand_prologue): ... here.
13985 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13987 (ix86_expand_epilogue): ... here.
13988 (ix86_compute_frame_size): Make static, add prototype.
13989 (ix86_initial_elimination_offset): Break out from ...
13990 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13992 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13994 * recog.h (OUT_FCN): Delete.
13996 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13998 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14000 * cppalloc.c: PROTO -> PARAMS.
14001 * cpperror.c: Likewise.
14002 * cppfiles.c: Likewise.
14003 * cpplib.c: Likewise.
14004 * cpplib.h: Likewise.
14006 * config/arm/arm-protos.h: PROTO -> PARAMS.
14007 * config/arm/arm.c: Likewise.
14008 * config/c4x/c4x.c: Likewise.
14009 * config/fr30/fr30-protos.h: Likewise.
14010 * config/nextstep.c: Likewise.
14011 * config/pa/pa.c: Likewise.
14012 * config/pj/pj.c: Likewise.
14013 * config/rs6000/rs6000.c: Likewise.
14014 * config/v850/v850-protos.h: Likewise.
14015 * config/v850/v850.c: Likewise.
14017 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14019 * i370-protos.h: New file.
14021 * i370.c: Include tm_p.h. Fix compile time warnings.
14023 * i370.h: Move prototypes to i370-protos.h. Fix compile time
14026 * i370.md: Likewise.
14028 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14030 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
14031 (target_isinf, target_isnan, eisnan): Mark parameter with
14033 (eiisinf): Wrap in INFINITY.
14034 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
14035 (ibmtoe): Remove unused variable `rndsav'.
14037 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14039 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
14040 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
14042 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
14044 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
14045 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
14046 (fix_char_macro_defines, fix_char_macro_uses): New functions.
14048 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
14049 Recognize Emacs mode markers also.
14050 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
14051 C++ comments in C++ headers. Call is_cxx_header only if
14054 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
14055 bypass for ncurses.
14056 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
14057 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
14058 ... these, which use the new C fixes.
14059 (math_exception): Escape literal '+' in bypass expression.
14061 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
14064 2000-01-19 Geoff Keating <geoffk@cygnus.com>
14066 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
14069 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14071 * loop.c (loop_optimize): Allocate loop_info structure for each loop
14072 prior to calling scan_loop.
14074 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14076 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
14077 (split_branches, calc_live_regs): Likewise.
14079 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14081 * sh.md (fpu_single, fp_mode): New attributes.
14083 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14085 * loop.c (current_loop_info): Renamed from loop_info_data
14086 and changed to a pointer.
14087 (loop_optimize): Allocate loop_info structure for each loop
14088 and initialise to zero.
14089 (scan_loop): Set current_loop_info.
14091 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
14094 2000-01-19 Richard Henderson <rth@cygnus.com>
14096 * stupid.c: Die die die.
14097 * Makefile.in (OBJS): Remove stupid.o.
14098 (stupid.o): Likewise.
14100 * except.c (emit_eh_context): Don't emit USEs for stupid.
14101 * explow.c (probe_stack_range): Likewise.
14102 * flags.h (obey_regdecls): Remove.
14103 * flow.c (find_basic_blocks): Don't run try_merge_blocks
14104 when not optimizing.
14105 (life_analysis): Limit data collection when not optimizing.
14106 (mark_regs_live_at_end): Always mark the return value registers.
14107 (mark_used_regs): Remove dummy RETURN case.
14108 (print_rtl_with_bb): Don't consult obey_regdecls.
14109 * function.c (use_variable, use_variable_after): Remove.
14110 (assign_parms): Consult optimize not obey_regdecls.
14111 (expand_function_start): Don't emit USEs for stupid.
14112 (expand_function_end): Likewise.
14113 * global.c (build_insn_chain): Export.
14114 * integrate.c (expand_inline_function): Kill return-value USE
14116 * jump.c (jump_optimize_1): Do simple jump optimizations and
14117 dead code elimination.
14118 (calculate_can_reach_end): Remove check_deleted argument.
14119 (delete_insn): Patch out insns even when not optimizing.
14120 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
14121 * rtl.h (use_variable, use_variable_after): Remove declarations.
14122 (build_insn_chain): Declare.
14123 * stmt.c (expand_value_return): Don't emit USEs for stupid.
14124 (expand_end_bindings): Likewise.
14125 (expand_decl): Likewise. Consult optimize not obey_regdecls.
14126 * toplev.c (obey_regdecls): Remove.
14127 (rest_of_compilation): Don't set it. Kill stupid in favour of
14128 flow1, local-alloc, and reload.
14129 (main): Don't set obey_regdecls.
14131 * config/nextstep.c (handle_pragma): Likewise.
14133 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
14135 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
14137 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14139 * alpha-protos.h: PROTO -> PARAMS.
14140 * alpha.c: Likewise.
14142 * h8300.c: Likewise.
14143 * i386-protos.h: Likewise.
14144 * i386.c: Likewise.
14145 * m32r-protos.h: Likewise.
14146 * m32r.c: Likewise.
14147 * mips.c: Likewise.
14148 * mips.md: Likewise.
14149 * gmon-sol2.c: Likewise.
14150 * sparc.c: Likewise.
14152 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14154 * ns32k-protos.h: New file.
14156 * ns32k.c: Fix compile time warnings.
14158 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
14161 * ns32k.md: Likewise.
14163 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14165 * vax-protos.h: New file.
14167 * vax.c: Fix compile time warnings.
14169 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14172 * vax.md: Likewise.
14174 * vaxv.md: Likewise.
14176 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14178 * romp-protos.h: New file.
14180 * romp.c: Fix compile time warnings.
14182 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14185 * romp.md: Likewise.
14187 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14189 * we32k-protos.h: New file.
14191 * we32k.c: Fix compile time warnings.
14193 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14196 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14198 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14200 * except.c (eh_regs): Likewise.
14202 * final.c (output_operand): Likewise.
14204 * fold-const.c (target_isinf, target_isnan): Likewise.
14206 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14208 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14209 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14211 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14212 when optimize_size.
14213 (clrstrsi): Rewrite.
14214 (strsethi, strsetqi): New expanders.
14215 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14216 (cmpstrsi): Emit compare insn before cmpstrsi_1
14217 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14218 (strlensi_1): Likewise.
14219 (cmpstrsi_1): Likewise; do not output compare.
14220 (strlen expander): Do not unroll when optimizing for size.
14221 (*subsi3_carry): Rename to subsi3_carry
14222 (addqi3_cc): New pattern.
14223 * i386.h (processor_costs): Add move_ratio field.
14224 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14225 * i386.c (*_cost): Set move_ratio.
14226 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14227 (x86_expand_strlensi_1): Rewrite the main loop.
14229 2000-01-17 Richard Henderson <rth@cygnus.com>
14231 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14232 * cse.c (find_comparison_args, fold_rtx): Likewise.
14233 * integrate.c (subst_constants): Likewise.
14234 * loop.c (get_condition): Likewise.
14236 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14238 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14240 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14242 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14243 (RESTORE_WARN_FLAGS): Unpack it.
14244 Change semantic type of extension to ttype.
14245 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14246 * c-parse.y, c-parse.c, objc/objc-parse.y,
14247 objc/objc-parse.c: Regenerate.
14249 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14251 * fixinc/fixlib.c: Add copyright notice.
14252 (compile_re): New function.
14253 * fixinc/fixlib.h: Prototype compile_re.
14255 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14256 Use compile_re to compile regular expressions.
14258 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14259 where the pattern matched.
14261 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14263 (ultrix_ansi_compat): Likewise.
14264 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14266 (interactv_add2, interactv_add3): Delete.
14267 (x11_sprintf): Don't use filename glob.
14268 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14271 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14273 * print-rtl.c: PROTO -> PARAMS.
14274 * real.c: Likewise.
14275 * reg-stack.c: Likewise.
14276 * resource.c: Likewise.
14277 * sdbout.h: Likewise.
14278 * simplify-rtx.c: Likewise.
14279 * stor-layout.c: Likewise.
14280 * stupid.c: Likewise.
14281 * xcoffout.c: Likewise.
14282 * xcoffout.h: Likewise.
14284 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14286 * toplev.c: PROTO -> PARAMS.
14287 * toplev.h: Likewise.
14288 * tree.c: Likewise.
14289 * tree.h: Likewise.
14290 * unroll.c: Likewise.
14291 * varasm.c: Likewise.
14292 * varray.c: Likewise.
14293 * varray.h: Likewise.
14295 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14297 * reload.c: PROTO -> PARAMS.
14298 * reload.h: Likewise.
14299 * reload1.c: Likewise.
14300 * reorg.c: Likewise.
14301 * resource.h: Likewise.
14304 * rtlanal.c: Likewise.
14305 * sbitmap.h: Likewise.
14306 * sdbout.c: Likewise.
14307 * stack.h: Likewise.
14308 * stmt.c: Likewise.
14309 * system.h: Likewise.
14311 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14313 * machmode.h: PROTO -> PARAMS.
14314 * mbchar.h: Likewise.
14315 * mips-tdump.c: Likewise.
14316 * mips-tfile.c: Likewise.
14317 * optabs.c: Likewise.
14318 * output.h: Likewise.
14319 * prefix.c: Likewise.
14320 * profile.c: Likewise.
14321 * protoize.c: Likewise.
14322 * real.h: Likewise.
14323 * recog.c: Likewise.
14324 * recog.h: Likewise.
14325 * regclass.c: Likewise.
14326 * regmove.c: Likewise.
14327 * regs.h: Likewise.
14329 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14331 * ggc-common.c: PROTO -> PARAMS.
14332 * ggc-page.c: Likewise.
14333 * ggc-simple.c: Likewise.
14335 * global.c: Likewise.
14336 * graph.c: Likewise.
14337 * gthr-win32.h: Likewise.
14338 * haifa-sched.c: Likewise.
14339 * halfpic.h: Likewise.
14340 * integrate.c: Likewise.
14341 * integrate.h: Likewise.
14342 * jump.c: Likewise.
14344 * local-alloc.c: Likewise.
14345 * loop.c: Likewise.
14346 * loop.h: Likewise.
14348 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14350 * genattr.c: PROTO -> PARAMS.
14351 * genattrtab.c: Likewise.
14352 * gencheck.c: Likewise.
14353 * gencodes.c: Likewise.
14354 * genconfig.c: Likewise.
14355 * genemit.c: Likewise.
14356 * genextract.c: Likewise.
14357 * genflags.c: Likewise.
14358 * gengenrtl.c: Likewise.
14359 * genopinit.c: Likewise.
14360 * genoutput.c: Likewise.
14361 * genpeep.c: Likewise.
14362 * genrecog.c: Likewise.
14364 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14366 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14368 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14370 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14371 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14372 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14373 * configure, config.in: Rebuilt.
14375 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14377 * config/i386/i386.md: Add peephole to merge successive stack
14380 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14382 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14383 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14384 when walking backwards to find all the parameter loads when
14385 the basic block ends in a call.
14387 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14389 * loop.c (this_loop_info): Delete.
14390 (uid_loop): Add in place of uid_loop_num. All uses updated.
14391 (loop_number_exit_count): Delete and replace with entry in loop
14392 structure. All uses updated.
14393 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14394 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14395 (loop_outer_loop): Likewise.
14396 (loop_invalid, loop_number_exit_labels): Likewise.
14397 (loop_used_count_register): Delete and replace with entry in
14398 loop_info structure.
14399 (find_and_verify_loops): Add loops argument.
14400 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14401 loop_end, etc. arguments with loop structure pointer. All callers
14403 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14404 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14405 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14406 (insert_bct): Likewise.
14407 (basic_induction_var): New argument level.
14408 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14409 vtop, and cont. Add used_count_register.
14410 (uid_loop): Delete declaration.
14411 (loop_number_exit_count): Likewise.
14412 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14413 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14414 (loop_outer_loop, loop_used_count_register): Likewise.
14415 (loop_invalid, loop_number_exit_labels): Likewise.
14416 (unroll_loop): Replace loop_start and loop_end arguments
14417 with loop structure pointer.
14418 (loop_precondition_p, loop_iterations): Likewise.
14419 Include basic-block.h.
14420 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14421 with loop structure pointer.
14422 (loop_precondition_p, loop_iterations): Likewise.
14423 * basic-block.h (struct loop): New entries vtop, cont,
14424 cont_dominator, start, end, top, scan_start, exit_labels,
14426 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14428 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14430 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14432 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14434 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14436 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14438 * pdp11-protos.h: New file.
14440 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14443 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14446 * pdp11.md: Likewise.
14448 * 2bsd.h: Likewise.
14450 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14452 * mn10300-protos.h: New file.
14454 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14457 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14460 * mn10300.md: Likewise.
14462 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14464 * mn10200-protos.h: New file.
14466 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14469 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14472 * mn10200.md: Likewise.
14474 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14476 * h8300-protos.h: New file.
14478 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14481 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14484 * h8300.md: Likewise.
14486 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14488 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14489 (asm_emit_uninitialised): Likewise.
14491 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14493 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14494 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14496 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14498 * config/mips/mips.c (override_options): Don't turn on extra
14499 alignment for mips16.
14501 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14503 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14504 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14507 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14509 * builtins.c (PAD_VARARGS_DOWN): Define.
14510 (std_expand_builtin_va_arg): Use the above macro.
14511 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14512 * tm.texi (Register Arguments): Document the above macro.
14514 2000-01-14 Nick Clifton <nickc@cygnus.com>
14516 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14517 that this function has not been used to emit a jump
14520 * jump.c (return_jump_1): Cope with being passed a null rtx.
14522 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14524 * eh-common.h: PROTO -> PARAMS.
14525 * emit-rtl.c: Likewise.
14526 * errors.c: Likewise.
14527 * errors.h: Likewise.
14528 * except.c: Likewise.
14529 * except.h: Likewise.
14530 * explow.c: Likewise.
14531 * expmed.c: Likewise.
14532 * expr.c: Likewise.
14533 * expr.h: Likewise.
14534 * final.c: Likewise.
14535 * fix-header.c: Likewise.
14536 * flow.c: Likewise.
14537 * fold-const.c: Likewise.
14538 * function.c: Likewise.
14539 * function.h: Likewise.
14541 * gcov-io.h: Likewise.
14542 * gcov.c: Likewise.
14543 * gcse.c: Likewise.
14545 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14547 * sh-protos.h: New file.
14549 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14550 Add static prototypes. Fix compile time warnings.
14552 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14556 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14558 * arc-protos.h: New file.
14560 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14563 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14566 * arc.md: Likewise.
14568 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14570 * dsp16xx-protos.h: New file.
14572 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14575 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14578 * dsp16xx.md: Likewise.
14580 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14582 * convex-protos.h: New file.
14584 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14587 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14590 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14592 * elxsi-protos.h: New file.
14594 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14597 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14600 * elxsi.md: Likewise.
14602 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14604 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14605 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14606 match the comment for MIPS16.
14608 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14610 * flow.c (split_edge): Do not call set_block_for_insn if we
14611 do not have a basic_block_for_insn structure.
14613 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14614 and destination functions are 32bit aligned within the trampoline.
14615 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14616 (TRAMPOLINE_ALIGNMENT): Define.
14618 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14619 (set (pc) (label_ref)), verify the change creates a valid insn.
14621 * fr30.c (call_operand): Tighten and rework to match rules for
14622 call RTL expressions.
14623 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14624 * fr30.md (call patterns): Improve constraints.
14626 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14628 * fr30.c (fr30_expand_epilogue): Revert last change.
14629 Use emit_jump_insn for the return insn.
14631 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14632 Stan Cox <scox@cygnus.com>
14634 * predict.c: New file. Preliminary infrastructure work for static
14635 branch prediction and basic block reordering.
14636 * basic-block.h: Add prototype for estimate_probability.
14637 * Makefile.in: Add rules for predict.o.
14639 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14641 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14642 * fixinc/*: Likewise.
14644 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14646 * cccp.c: PROTO -> PARAMS.
14647 * cexp.y: Likewise.
14648 * collect2.c: Likewise.
14649 * combine.c: Likewise.
14650 * convert.h: Likewise.
14652 * dbxout.c: Likewise.
14653 * dbxout.h: Likewise.
14654 * diagnostic.c: Likewise.
14655 * doprint.c: Likewise.
14656 * dwarf2out.c: Likewise.
14657 * dwarf2out.h: Likewise.
14658 * dwarfout.c: Likewise.
14659 * dwarfout.h: Likewise.
14660 * dyn-string.h: Likewise.
14662 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14664 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14665 macro conditionals guarding use.
14667 * dwarf2out.c: Include "tm_p.h".
14669 * function.c (locate_and_pad_parm): Mark parameter with
14671 (expand_function_end): Likewise for variable `context'.
14673 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14675 2000-01-13 Nick Clifton <nickc@cygnus.com>
14677 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14678 register to prevent compile time warnings.
14680 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14682 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14683 to avoid -Wtraditional warning.
14685 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14687 * 1750a-protos.h: New file.
14689 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14692 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14695 * 1750a.md: Likewise.
14697 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14699 * a29k-protos.h: New file.
14701 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14704 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14707 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14709 * clipper-protos.h: New file.
14711 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14714 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14717 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14719 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14721 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14723 * configure.in (--enable-new-gxx-abi): New option.
14724 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14725 * Makefile.in (GXX_ABI_FLAG): New variable.
14726 * configure: Regenerate.
14728 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14730 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14731 * tm.texi (FORCE_STRUCT_BLK): Document.
14732 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14734 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14736 * config/ns32k/ns32k.md: Revert Jan 9 change.
14738 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14739 to a mode-test, if the predicate is address_operand.
14741 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14743 * combine.c (if_then_else_cond): Be careful about what kinds
14744 of RTL expressions are passed to operand_subword.
14746 * flow.c (split_edge): If we have to insert a new jump, make
14747 sure to associate it with a basic block.
14749 * flow.c (commit_one_edge_insertion): A block with one successor
14750 can end in a JUMP_INSN that is not a simplejump.
14752 2000-01-12 Robert Lipe <robertl@sco.com>
14754 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14755 (BUILD_VA_LIST_TYPE): Define.
14756 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14759 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14761 * cccp.c (do_pragma): Add cast to (char *).
14763 2000-01-12 Richard Henderson <rth@cygnus.com>
14764 Fred Fish <fnf@be.com>
14765 Jason Merrill <jason@cygnus.com>
14767 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14768 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14769 * i386/beos-elf.h, i386/beos-pe.h: New files.
14771 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14772 * cross-make (SYSTEM_HEADER_DIR): Define using
14773 CROSS_SYSTEM_HEADER_DIR.
14775 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14776 (process_command): Use it.
14777 (main): Likewise. Kill trailing = from env vars.
14778 (build_search_list): Put it back.
14779 * collect2.c (main): Use LIBRARY_PATH_ENV.
14781 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14782 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14784 * tm.texi (Frame Layout): Document SMALL_STACK.
14785 * c-common.c (c_common_nodes_and_builtins): Check it.
14787 * system.h: Undef alloca after including glibc's <stdlib.h>,
14788 if USE_C_ALLOCA is defined.
14790 * gcc.c (set_input): New fn.
14791 (main): After all input files are compiled, reset the input file
14794 * aclocal.m4 (rindex, index): If already defined, don't attempt
14797 * ginclude/varargs.h: (__va_list__): Define ifndef.
14798 * ginclude/stdarg.h: Likewise.
14800 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14801 instead of unsigned char.
14803 * hash.h (true, false, boolean): Undef before enum.
14805 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14806 proper type of "HOST_WIDE_INT *", rather than their natural type of
14807 "unsigned HOST_WIDE_INT *".
14809 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14811 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14813 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14815 * regclass.c (choose_hard_reg_mode): Likewise.
14817 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14819 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14821 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14823 * c-common.c: PROTO -> PARAMS.
14824 * c-common.h: Likewise.
14825 * c-decl.c: Likewise.
14826 * c-iterate.c: Likewise.
14827 * c-lang.c: Likewise.
14828 * c-lex.c: Likewise.
14829 * c-lex.h: Likewise.
14830 * c-parse.in: Likewise.
14831 * c-pragma.c: Likewise.
14832 * c-pragma.h: Likewise.
14833 * c-tree.h: Likewise.
14834 * c-typeck.c: Likewise.
14835 * objc/objc-act.c: Likewise.
14836 * objc/objc-act.h: Likewise.
14838 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14840 * m88k-protos.h: New file.
14842 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14845 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14847 * m88k.md: Likewise.
14849 * tekXD88.h: Likewise.
14851 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14853 * m68k-protos.h: New file.
14855 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14858 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14860 * mot3300.h: Likewise.
14862 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14864 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14866 (extract_bitlist): Declare bitlen.
14868 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14870 * cccp.c: Accept and ignore -lang-fortran.
14872 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14873 qualifiers don't match at any level of pointerness.
14875 2000-01-12 Robert Lipe <robertl@sco.com>
14877 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14879 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14881 * reload1.c (reload_reg_unavailable): New static variable.
14882 (reload_reg_free_p): Test it.
14883 (reload_reg_free_for_value_p): Test it instead of
14885 (choose_reload_regs_init): Compute it.
14887 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14889 * reorg.c (fill_slots_from_thread): Check modified_in_p
14892 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14894 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14895 these nodes even if INTERNALS is not set.
14897 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14899 * gcse.c (delete_null_pointer_checks_1): Cope when
14900 get_condition cannot determine the condition.
14902 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14904 * toplev.h (set_message_length): Declare.
14906 * diagnostic.c (obstack_chunk_alloc): Define macro.
14907 (obstack_chunk_free): Likewise.
14908 (struct output_buffer): New data structure.
14909 (vmessage): Remove.
14910 (output_maximum_width): New variable.
14911 (doing_line_wrapping, set_message_length, init_output_buffer,
14912 get_output_prefix, output_space_left, emit_output_prefix,
14913 output_newline, output_append, output_puts, dump_output,
14914 vbuild_message_string, build_message_string, build_location_prefix,
14915 voutput_notice, output_printf, line_wrapper_printf,
14916 vline_wrapper_message_with_location): New functions. Implement
14917 automatic line wrapping.
14918 (v_message_with_decl): Make it handle automatic line wrapping.
14919 (v_error_with_file_and_line): Likewise.
14920 (v_warning_with_file_and_line): Likewise.
14921 (announce_function): Likewise.
14922 (default_print_error_function): Likewise.
14924 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14926 * cpplib.h (struct cpp_options): Change lang_asm to char.
14928 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14929 done in cpp_handle_option now.
14930 (initialize_builtins): Take out special case code used only by
14932 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14933 if -traditional. Recognize -lang-fortran and set
14934 lang_fortran, also turn off cplusplus_comments.
14935 (print_help): Document -lang-fortran.
14936 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14937 lang_asm. Ignore all directives other than `# 123 "file"' if
14939 (cpp_get_token): If -traditional, don't recognize directives
14940 unless the # is in column 1.
14941 (parse_string): If lang_fortran or lang_asm, silently
14942 terminate strings ('' or "") at end of line.
14943 Remove unnecessary braces.
14945 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14946 Richard Henderson <rth@cygnus.com>
14948 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14950 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14951 strict_low_part when possible.
14953 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14955 * alias.c: PROTO -> PARAMS.
14956 * basic-block.h: Likewise.
14957 * bitmap.c: Likewise.
14958 * bitmap.h: Likewise.
14959 * builtins.c: Likewise.
14960 * c-aux-info.c: Likewise.
14961 * caller-save.c: Likewise.
14962 * calls.c: Likewise.
14964 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14966 * Makefile.in (toplev.o): Depend on regs.h.
14968 * output.h (tdesc_section): Prototype.
14970 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14972 * sdbout.c: Include "tm_p.h".
14974 * toplev.c: Include "regs.h".
14976 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14978 * unroll.c (unroll_loop): Add EH support.
14980 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14982 * pa-protos.h: New file.
14984 * pa.c: Include recog.h and tm_p.h.
14985 (compute_zdepwi_operands, compute_movstrsi_length,
14986 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14987 find_addr_reg, import_milli): Add static prototypes.
14988 (pa_cpu_string, pa_arch_string): Constify a char*.
14989 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14990 (read_only_operand): Add argument `mode'.
14991 (singlemove_string, output_move_double, output_fp_move_double,
14992 output_block_move, output_and, output_ior, output_ascii,
14993 remove_useless_addtr_insns, milli_names, output_mul_insn,
14994 output_div_insn, output_mod_insn, output_arg_descriptor,
14995 output_cbranch, output_bb, output_bvb, output_dbra, ,
14996 output_millicode_call, output_call, hppa_encode_label,
14997 output_parallel_movb, output_parallel_addb): Constify a char*.
14998 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14999 (output_parallel_addb): Remove extra arg to `constrain_operands'
15001 * pa.h: Move all prototypes to pa-protos.h.
15002 (pa_cpu_string, pa_arch_string): Constify a char*.
15003 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
15005 * pa.md: Call `function_label_operand' with mode argument.
15006 Likewise for `read_only_operand'.
15007 Fix nesting of parens in call to `symbolic_operand'.
15009 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15011 * i860-protos.h: New file.
15013 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
15016 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
15018 * i860.md: Likewise.
15020 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
15022 * i386.md (movstrsi expander): Rewrite.
15023 (movstrsi_1 insn): Deleted.
15024 (strmovhi, strmovqi expander): New expanders.
15025 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
15026 * i386.c (x86_single_stringop): New global variable.
15027 * i386.h (x86_single_stringop): Declare.
15028 (TARGET_SINGLE_STRINGOP): New macro.
15030 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15032 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
15033 integer vararg POSTINCREMENT before the destination of the jump
15034 for the hard fp case.
15035 (function_arg_pass_by_reference): Pass a copy of CUM to
15038 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
15039 for CONSTANT_ADDRESS_P above while loop for subreg.
15041 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15043 * flow.c (propagate_block): When a prologue/epilogue insn
15044 is marked dead, unconditionally clear libcall_is_dead and
15045 insn_is_dead, and only dump rtl if warnings aren't being
15048 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
15050 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
15051 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
15052 (FIXED_REGISTERS): Set dirflag as fixed.
15053 (CALL_USED_REGISTERS): Set dirflag as used.
15054 (REG_ALLOC_ORDER): Set dirflag as last one.
15055 (DIRFLAG_REG): New macro.
15056 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
15057 (HI_REGISTER_NAMES): Add dirflag.
15058 (DEBUF_PRINT_REG): Handle dirflag.
15059 * i386.md (type attribute): New cld and str types.
15060 (length_opcode attribute): Set cld and str to 1.
15061 (memory attribute): Set str to unknown - it is not clear from the
15063 (pent_np function unit): Prefixed string operations takes 12 cycles
15064 minimally; cld takes 2 cycles.
15065 (ppro_uops attribute): Str is "many" and cld is "few".
15066 (ppro_p0 unit): Handle cld here.
15067 (k6_alux unit): Handle cld and str types.
15068 (k6_load unit): It is ocupied by str opcodes.
15069 (k6_store unit): It is ocupied by str opcodes.
15070 (athlon_decode): Str is vector decoded.
15071 (athlon_ieu): Handle str and cld.
15072 (cld pattern): New.
15073 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
15074 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
15075 cmpstrsi_nz_1 insn): Do not output cld instruction
15077 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
15079 * gcc.texi (G++ and GCC): Add Java and Chill.
15080 (Bug Critera): Don't list languages.
15082 * gcc.texi (Incompatibilities): No longer claim most C compilers
15085 * gcc.texi (G++ and GCC): Update other front-ends list.
15087 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
15089 * i386.c (ix86_expand_setcc): Fix typo.
15090 (ix86_expand_movcc): Similarly.
15092 * Band-aid until haifa's bitset implementation is nuked.
15093 * haifa-sched.c (extract_bitlst): New parameter for size of the
15094 bitset in bits. All callers changed. Avoid looking at undefined
15095 bits in the bitset.
15096 (edgeset_bitsize): New variable.
15097 (schedule_region): Initialize edgeset_bitsize.
15099 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15101 * Makefile.in (optabs.o): Depend on real.h
15102 (resource.o): Depend on insn-attr.h
15104 * builtins.c (result_vector): Wrap prototype in macro conditions
15105 governing definition and use.
15107 * c-common.c: Include tm_p.h.
15109 * c-lex.c: Likewise.
15111 * elfos.h: Constify a char*.
15113 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
15114 (get_attr_length, shorten_branches, profile_after_prologue): Mark
15115 parameter with ATTRIBUTE_UNUSED.
15117 * fold-const.c (exact_real_inverse): Wrap variable `i' in
15120 * haifa-sched.c (schedule_insns): Mark parameter with
15123 * optabs.c: Include real.h.
15125 * real.h (ereal_atof): Add prototype arguments.
15127 * resource.c: Include insn-attr.h.
15129 * sdbout.c (sdbout_queue_anonymous_type,
15130 sdbout_dequeue_anonymous_types): Wrap in macro
15131 SDB_ALLOW_FORWARD_REFERENCES.
15132 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
15135 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
15137 * stupid.c: Include tm_p.h.
15139 * tree.c (real_value_from_int_cst): Mark parameter with
15142 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15144 * i960-protos.h: New file.
15146 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
15149 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
15151 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15153 * combine.c (expand_field_assignment): Do not discard SUBREGs
15154 while computing nonzero_bits.
15156 2000-01-09 Nick Clifton <nickc@cygnus.com>
15158 * config/arm/arm.c: Fix compile time warnings about signed vs
15159 unsigned constants.
15160 * config/arm/arm.h: Fix compile time warnings about signed vs
15161 unsigned constants.
15163 2000-01-09 Philip Blundell <philb@gnu.org>
15165 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
15166 than `ldm' with only one register.
15167 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15170 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15173 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15175 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15178 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15180 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15181 assignment used as truth value.
15183 * function.c (assign_temp): Mark parameter `dont_promote' with
15184 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15185 PROMOTE_FOR_CALL_ONLY.
15187 * genrecog.c (write_subroutine): Mark variable `operands' with
15190 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15193 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15194 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15196 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15199 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15201 * config/c4x.h: Tidy up comments.
15202 * config/c4x.c: Likewise.
15204 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15206 * fold-const.c (lshift_double, rshift_double): Handle
15207 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15209 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15211 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15212 in prepare_function_start().
15214 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15216 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15217 longer allocate extra stack for function calls.
15219 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15221 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15223 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15225 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15227 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15229 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15230 * aix43.h: Revert Aug 2 change.
15231 (HAS_INIT_SECTION): Define, not visible yet.
15232 (LD_INIT_SWITCH): Define, not visible yet.
15233 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15235 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15237 * collect2.c (main): Expand ld2 size further.
15238 (export_object_lst): Cast assignment to avoid warning.
15239 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15240 (scan_prog_file, COFF): Do not collect initialization or
15241 finalization functions generated for entire shared object if
15242 init/fini support present.
15244 2000-01-07 Nick Clifton <nickc@cygnus.com>
15246 * config/elfos.h: Tidy up formatting of marcos. Make sure
15247 that .section directives are always prefixed by a tab.
15249 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15252 2000-01-07 Matt Austern <austern@sgi.com>
15254 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15257 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15259 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15261 (crtbegin.o, s-crtS): Likewise.
15263 2000-01-06 Richard Henderson <rth@cygnus.com>
15265 * alpha.md (adddi_2+1): Limit offset such that it will be
15266 loadable with a single ldah+lda pair.
15267 (adddi_2+2): Explicitly fail split if we can't make it work.
15269 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15271 * protoize.c: Conditionally include unistd.h.
15272 (IS_SAME_PATH_CHAR): New macro.
15273 (IS_SAME_PATH): New macro.
15274 (CPLUS_FILE_SUFFIX): New macro.
15275 (cplus_suffix): New static variable.
15276 (is_abspath): New static function.
15277 (in_system_include_dir): Handle DOS style pathnames.
15278 (file_could_be_converted): Likewise.
15279 (file_normally_convertible): Likewise.
15280 (directory_specified_p): Likewise.
15281 (file_excluded_p): Likewise.
15282 (abspath): Likewise.
15283 (shortpath): Likewise.
15284 (referenced_file_is_newer): Likewise.
15285 (save_def_or_dec): Likewise.
15286 (do_processing): Likewise.
15288 (edit_file): Likewise. Use rename instead of link.
15289 (rename_c_file): Likewise. Don't rename syscalls file.
15290 (munge_compile_params): Define null device for DOS based systems.
15291 (process_aux_info_file): Use binary mode if appliable.
15292 (edit_file): Likewise.
15293 * invoke.texi (Running Protoize): Document C++ suffixes used.
15295 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15296 IS_DIR_SEPARATOR macros.
15297 * collect2.c: Likewise.
15298 * cppinit.c: Likewise.
15299 * dwarf2out.c: Likewise.
15301 * gcov.c: Likewise.
15302 * prefix.c: Likewise.
15304 * toplev.c: Likewise.
15305 * system.h: And move to here.
15307 * prefix.c (update_path): Fix typo in variable name.
15309 2000-01-06 Richard Henderson <rth@cygnus.com>
15311 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15312 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15313 (count_reg_sets_1, count_reg_references): Likewise.
15314 (flow_loops_level_compute): Start counting actual loop depth at 1.
15315 (flow_loops_find): Likewise.
15316 * local-alloc.c (update_equiv_regs): Likewise.
15317 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15319 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15321 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15322 FIRST_PSEUDO_REGISTER
15323 * dwarf2out.c: Don't include frame.h
15324 * dwarfout.c: Likewise
15325 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15328 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15330 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15333 * i386.c (movsf splitter): Fix typo in my last checkin.
15335 2000-01-05 Nick Clifton <nickc@cygnus.com>
15337 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15338 own definition of this macro.
15339 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15340 flag_data_sections or UNIQUE_SECTION_P are true.
15342 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15343 unitialised data decls.
15345 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15346 being called for uninitialised data.
15348 * config/i386/interix.c (i386_pe_unique_section): Cope with
15349 being called for uninitialised data.
15351 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15352 for uninitialised data.
15354 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15355 for uninitialised data.
15357 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15358 for uninitialised data.
15360 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15361 (UNIQUE_SECTION_P): Always generate a unique section if
15362 flag_data_sections is true.
15363 (UNIQUE_SECTION): Also generate unique sections for
15364 uninitialised data.
15365 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15366 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15369 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15371 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15374 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15376 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15377 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15378 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15379 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15380 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15382 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15384 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15386 * c-decl.c (finish_enum): Simplify code to determine minimum and
15387 maximum values of the enum, and calculate the type. Remove check
15388 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15389 the DECL_INITIAL of each enumeration constant with a copy converted
15390 to the enumeration type. When updating variant types, don't bother
15391 updating the type itself.
15393 * c-typeck.c (build_binary_op): Simplify conditional expressions
15394 when weeding out spurious signed-unsigned warnings. Add new
15395 spurious warning category: if the unsigned quantity is an enum
15396 and its maximum value fits in signed_type(result_type). Update
15398 (build_conditional_expr): Warn here if one alternative is signed
15399 and the other is unsigned.
15401 2000-01-05 Nick Clifton <nickc@cygnus.com>
15403 * config/fr30/fr30.h: Remove extraneous comments.
15405 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15407 * reload1.c (choose_reload_regs): When disabling a reload, also
15408 set reload_spill_index to -1.
15410 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15412 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15414 (m68*-*-rtemself*): New target.
15415 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15416 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15417 (sparc*-*-rtemself*): New target.
15418 (sparc*-*-rtems*): Now elf not a.out.
15419 * config/i386/rtems.h: Include config/rtems.h.
15420 * config/i386/rtemself.h: Include config/rtems.h.
15421 * config/i960/rtems.h: Include config/rtems.h.
15422 * config/m68k/rtems.h: Include config/rtems.h.
15423 * config/m68k/rtemself.h: Include config/rtems.h.
15424 * config/mips/rtems64.h: Include config/rtems.h.
15425 * config/pa/rtems.h: Include config/rtems.h.
15426 * config/rs6000/rtems.h: Include config/rtems.h.
15427 * config/sh/rtems.h: Include config/rtems.h.
15428 * config/sh/rtemself.h: Include config/rtems.h.
15429 * config/sparc/rtems.h: Include config/rtems.h.
15430 * config/sparc/rtemself.h: Include config/rtems.h
15432 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15434 * final.c (shorten_branches): Correctly compute length of
15435 asms without operands.
15437 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15439 * configure.in: Add pj target.
15440 * configure: Regenerate.
15441 * config/pj: New directory.
15442 * config/pj/lib1funcs.S: New file.
15443 * config/pj/linux.h: New file.
15444 * config/pj/pj.c: New file.
15445 * config/pj/pj.md: New file.
15446 * config/pj/pjl.h: New file.
15447 * config/pj/t-pj: New file.
15448 * config/pj/xm-pj.h: New file
15450 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15452 * toplev.c (rest_of_compilation): Run shorten-branches before
15455 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15457 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15458 macros so that they're consistent with their names.
15459 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15460 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15462 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15464 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15465 modified inadvertently.
15467 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15469 * configure.in (v850*-*-rtems*): New target.
15470 * configure: Regenerate.
15471 * config/v850/rtems.h: New file.
15473 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15475 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15476 (__gthread_key_create): Likewise.
15477 (__gthread_key_dtor): Likewise.
15478 (__gthread_once): Fix logic.
15479 (__gthread_key_delete): Cast away constness.
15481 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15482 * invoke.texi: Document.
15483 * i386/mingw32.h (CPP_SPEC): Use.
15484 (LIBGCC_SPEC): Likewise.
15485 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15487 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15489 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15490 (HANDLE_PRAGMA_PACK): Undefine.
15491 (SLOW_UNALIGNED_ACCESS): Define.
15493 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15495 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15496 to default definition.
15497 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15498 (store_fixed_bit_field): Call macro with word_mode and alignment.
15499 (extract_bit_field): Call macro with relevant mode and alignment.
15500 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15501 to default definition.
15502 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15504 (move_by_pieces_ninsns): Likewise.
15505 (clear_by_pieces): Likewise.
15506 (emit_push_insn): Likewise.
15507 (store_field): Call macro with relevant mode and alignment.
15508 (expand_expr): Likewise.
15509 (expand_expr_unaligned): Likewise.
15511 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15512 (SLOW_UNALIGNED_ACCESS): Define.
15513 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15514 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15515 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15516 (toc_section): Likewise and .toc pseudo-op.
15517 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15519 (TEXT_SECTION_ASM_OP): Likewise.
15520 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15523 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15524 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15525 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15526 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15527 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15529 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15531 * regclass.c: Revert my Jan 4 change to loop cost computation.
15533 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15535 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15538 2000-01-04 Stan Cox <scox@cygnus.com>
15540 * haifa-sched.c (build_control_flow): Change unreachable simple
15541 loop test to check if current block has only one predecessor.
15542 (find_rgns): Initialize degree. Use dest as degree index, not src.
15544 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15546 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15548 * calls.c (expand_call): Likewise for
15549 `old_stack_arg_under_construction'.
15551 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15553 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15556 * gcc.c (execute): Likewise for `ut' and `st'.
15558 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15560 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15562 * jump.c (jump_optimize_1): Likewise for `temp2'.
15564 * local-alloc.c (block_alloc): Likewise for `r1'.
15566 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15568 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15569 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15571 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15574 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15575 and `goal_earlyclobber'.
15577 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15579 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15581 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15583 * unroll.c (copy_loop_body): Likewise for `copy'.
15585 * varasm.c (output_constructor): Likewise for `byte'.
15587 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15589 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15590 all FP constants for constant->reg moves.
15591 (ix86_split_to_parts): Try to convert memory address into immediate
15592 when available in the constant pool.
15593 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15595 (LEGITIMATE_CONSTANT_P): Return 1.
15596 * i386.md (pushsf): New splitter to convert constant pool memory
15597 reference to immediate.
15598 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15601 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15603 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15604 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15605 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15606 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15607 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15609 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15611 * ginclude/stdbool.h: Support compilation as C++.
15613 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15615 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15617 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15619 * regclass.c (regclass): Properly compute loop_cost. Adjust
15622 * regclass.c: Fix minor whitespace problems.
15624 2000-01-03 Anthony Green <green@cygnus.com>
15626 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15627 Restore the pic register if required.
15629 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15631 * c-common.c (format_char_info): Update comment.
15632 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15633 was recognized. Emit warning for formats new in ISO C99 only
15634 if flag_isoc9x is not set.
15636 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15638 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15640 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15642 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15643 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15644 (make_compound_operation): Choose cheaper alternative between
15645 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15647 * regclass.c (op_costs): Remove global variable.
15648 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15649 (record_operand_costs): Break out from ...
15650 (scan_one_insn): ... here.
15651 (dump_regclass): Make dumps nicer.
15652 (regclass): Dump preferrences choosed and changes done during passes.
15654 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15656 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15658 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15660 * config/sparc/sparc.c (gen_df_reg): New function.
15661 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15662 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15663 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15664 movtf_cc_reg_sp64+1): Use it.
15666 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15668 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15669 copied LABEL_DECLs.
15671 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15673 * config/i386/i386.c (ix86_expand_unary_operator): Function
15674 definition made void.
15675 (ix86_expand_binary_operator): Update outdated preceding comment.
15676 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15679 * config/i386/i386.c (override_options): Fix option-name typo.
15681 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15683 * system.h (CEIL): Define.
15684 * builtins.c (CEIL): Remove.
15685 * expmed.c (CEIL): Likewise.
15686 * expr.c (CEIL): Likewise.
15687 * stor-layout.c (CEIL): Likewise.
15689 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15691 * expr.c (store_constructor_field): Fix typo introduced with last
15694 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15696 * tree.h (BINFO_N_BASETYPES): New macro.
15698 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15700 * expmed.c (emit_store_flag): Prevent losing a pending stack
15701 adjust the same way we prevent losing queued increments.
15703 See ChangeLog.2 for earlier changes.