1 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
4 Make warnings about implicit int be pedwarns in C99. Don't warn
5 about duplicate type qualifiers in C99.
6 (start_function): Make warning about implict int return type be a
8 * c-lex.c (yylex): Don't warn about `long long' in C99.
9 * c-typeck.c (c_expand_return): In C99, always pedwarn about
10 `return' with no value in function returning non-void.
12 2000-06-26 Richard Henderson <rth@cygnus.com>
14 * c-typeck.c (pedwarn_c99): New.
15 * diagnostic.c (verror, vwarning, vpedwarn): Export.
16 * toplev.h: Prototype them.
18 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
20 * c-typeck.c (digest_init): Return error_mark_node node when
21 TREE_TYPE (init) == error_mark_node.
23 2000-06-26 Philipp Thomas <pthomas@suse.de>
25 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
26 test for msgfmt without path instead.
29 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
31 * gengenrtl.c (special_rtx): Fix typo in comment.
33 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
35 * mklibgcc.in (LIB2FUNCS): Add missing space.
37 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
39 * tree.h (enum tree_index): Add vector type nodes.
40 Add accessor macros for them.
41 (TYPE_REPRESENATION_TYPE): New macro.
42 * tree.c (build_common_tree_nodes_2): Build these nodes.
43 (finish_vector_type): New function.
44 * c-common.c (type_for_mode): Handle vector modes.
45 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
47 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
48 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
49 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
50 (gen_type_die): Likewise.
51 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
52 (fundamental_type_code): Likewise.
53 (type_is_fundamental): VECTOR_TYPEs aren't.
54 (output_type): Handle VECTOR_TYPEs.
56 2000-06-25 Kazu Hirata <kazu@hxi.com>
58 * config/arm.c: Fix a comment typo.
59 * config/arm.h: Likewise.
61 2000-06-25 Philipp Thomas <pthomas@suse.de>
63 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
65 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
68 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
70 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
72 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
74 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
77 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
79 * collect2.c (resolve_lib_name): Move '/' check to more rational place.
81 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
83 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
85 2000-06-24 Jakub Jelinek <jakub@redhat.com>
87 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
88 last_unconditional_cleanup.
90 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
92 * tree.def (VECTOR_TYPE): New node type.
93 * tree.h: Adjust some comments to reflect addition of vector types.
94 (TYPE_VECTOR_SUBPARTS): New macro.
95 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
96 * c-convert.c (convert): Likewise.
97 * convert.c (convert_to_integer): Handle vector modes.
98 (convert_to_vector): New function.
99 * convert.h (convert_to_vector): Declare.
100 * expr.c (convert_move): Handle vector modes.
101 * expmed.c (extract_bit_field): Don't abort for vector modes.
103 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
105 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
106 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
107 New functions, common code moved from function_{prologue,epilogue}
108 and extended to support the -mtiny-stack option.
109 (function_prologue, function_epilogue): Use them.
110 Use lo8/hi8 consistently for asm output readability.
111 (avr_hard_regno_mode_ok): New function.
112 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
113 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
114 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
115 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
116 Write SPH before SPL.
117 (*movqi): No need to disable interrupts for just one "out"
118 in alternative 5. Change length attribute from 4 to 1.
119 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
120 Write SPH before SPL.
122 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
124 * rtl.texi (Vector Operations): New node.
125 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
126 (Conversions): Add ss_truncate, us_truncate.
127 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
128 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
129 US_TRUNCATE): New rtx codes.
130 * machmode.def: Add vector modes.
131 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
133 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
134 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
135 (VECTOR_MODE_P): New.
137 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
139 * cpp.texi: Clarify #pragma GCC namespace.
141 2000-06-24 Philipp Thomas <pthomas@suse.de>
143 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
144 all catalogs specified in ALL_LINGUAS.
145 * configure: Rebuilt.
147 2000-06-23 Jakub Jelinek <jakub@redhat.com>
149 * config/sparc/sparc.md (reload_outdi+1): Handle
150 HOST_BITS_PER_WIDE_INT == 64 case correctly.
151 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
153 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
155 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
156 struct vs. scalar-ness when -fno-strict-aliasing.
158 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
160 * cpplib.c (struct pragma_entry): New structure.
161 (pragma_dispatch): Pragma dispatcher.
162 (top_pragmas, gcc_pragmas): New static variables.
163 (do_pragma): Use pragma_dispatch.
164 (do_pragma_gcc): New pragma handler.
167 2000-06-23 Jakub Jelinek <jakub@redhat.com>
169 * calls.c (compute_argument_addresses): Force stack slots into
171 * expr.c (emit_push_insn): Force pushes into alias set 0.
173 2000-06-23 Richard Henderson <rth@cygnus.com>
175 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
176 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
178 2000-06-22 Jason Merrill <jason@redhat.com>
180 * toplev.c (compile_file): Always call timevar_print.
181 * Makefile.in (calls.o): Depend on TIMEVAR_H.
183 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
185 * varasm.c (constant_descriptor): Make contents unsigned char.
186 (mark_const_hash_entry): Adjust.
187 (const_hash): Just hash the code of unknown nodes.
188 (compare_constant_1): Adjust for unsigned char.
189 Use language specific expander on unknown nodes.
190 (record_constant_1): Likewise.
192 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
194 * cppfiles.c (cpp_make_system_header): New function.
195 * cpplib.h: Prototype it.
196 * cpplib.c (do_line, do_pragma_system_header): Use it.
197 * fix-header.c (read_scan_file): Use it.
199 * fix-header.c (check_macro_names): Cast second arg of
200 cpp_defined to const unsigned char *.
201 (read_scan_file): Make getchar_call const unsigned char.
203 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
205 * cppfiles.c: Include splay-tree.h, not hashtab.h.
206 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
207 (destroy_include_file_node): New.
208 (_cpp_init_include_hash): Rename _cpp_init_include_table.
209 Create a splay tree, not a hash table.
210 (open_include_file): Look up the path in the include table,
211 do the multiple include optimization here, etc.
212 (cpp_included): Walk the path.
213 (find_include_file): Just walk the path calling
214 open_include_file, or call it directly for an absolute path.
215 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
217 (read_include_file): Update for new scheme. Don't close the
218 file unless reading fails.
219 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
221 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
222 (struct include_file): New.
223 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
225 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
228 * cppinit.c: Include splay-tree.h.
229 (cpp_reader_init, cpp_cleanup): Update.
231 * cpplib.h (struct cpp_buffer): Change ihash field to
232 'struct include_file *inc'. Remove system_header_p.
233 (struct cpp_reader): Change all_include_files to a
234 struct splay_tree_s *.
236 * cpplex.c: Update all references to cpp_buffer->ihash and/or
237 cpp_buffer->system_header_p.
238 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
240 * Makefile.in (SPLAY_TREE_H): New macro.
241 (cppfiles.o, cppinit.o): Update dependencies.
243 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
245 * invoke.texi (g++): "g++" is not a script anymore.
247 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
249 * function.c (round_down): Delete obsolete prototype.
251 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
253 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
255 * configure.in: Use 'test a = b' not 'test a == b'.
258 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
260 * Makefile.in: Remove all references to HOST_INTLLIBS.
262 * cpplex.c (parse_name): Don't warn about $ in identifiers if
265 2000-06-20 Philipp Thomas <pthomas@suse.de>
267 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
270 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
272 * Take REG_INC notes into account.
274 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
276 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
277 (primary: IDENTIFIER): Just call build_external_ref.
278 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
280 * c-lex.c (lastiddecl): Remove.
281 (yylex): Replace all instances of lastiddecl with local
284 * c-typeck.c (build_external_ref): New function. Treat decls
285 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
286 Look up the decl from the id here. Call lookup_objc_ivar.
287 * c-lang.c (lookup_objc_ivar): Stub.
288 * objc/objc-act.c (lookup_objc_ivar): New function.
290 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
291 * c-lex.h: Don't declare lastiddecl.
293 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
295 * c-common.h (IF_COND): Added documentation.
296 (THEN_CLAUSE): Likewise.
297 (ELSE_CLAUSE): Likewise.
298 (WHILE_COND): Likewise.
299 (WHILE_BODY): Likewise.
302 (RETURN_EXPR): Likewise.
303 (EXPR_STMT_EXPR): Likewise.
304 (FOR_INIT_STMT): Likewise.
305 (FOR_COND): Likewise.
306 (FOR_EXPR): Likewise.
307 (FOR_BODY): Likewise.
308 (SWITCH_COND): Likewise.
309 (SWITCH_BODY): Likewise.
310 (CASE_LOW): Likewise.
311 (CASE_HIGH): Likewise.
312 (GOTO_DESTINATION): Likewise.
313 (COMPOUND_BODY): Likewise.
314 (ASM_CV_QUAL): Likewise.
315 (ASM_STRING): Likewise.
316 (ASM_OUTPUTS): Likewise.
317 (ASM_INPUTS): Likewise.
318 (ASM_CLOBBERS): Likewise.
319 (DECL_STMT_DECL): Likewise.
320 (STMT_EXPR_STMT): Likewise.
321 (LABEL_STMT_LABEL): Likewise.
323 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
324 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
325 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
326 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
328 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * configure.in (--enable-checking): Update --help doc to reflect
331 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
333 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
335 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
337 * function.c (put_var_into_stack): Don't reference DECL_ fields
338 if input is a SAVE_EXPR.
339 Use set_mem_attributes in COMPLEX case.
341 2000-06-18 Richard Henderson <rth@cygnus.com>
343 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
344 (ia64_file_start): Declare.
345 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
346 (GR_REGNO_P): Likewise.
347 * config/ia64/ia64.c: Many prototypes.
348 (ia64_reg_numbers): Constify.
349 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
350 (ia64_section_threshold): Make unsigned.
351 (ia64_print_operand): Constify.
352 (fix_range): Constify.
353 (ia64_init_builtins): Don't compare signed vs unsigned.
354 (ia64_expand_builtin): Likewise.
356 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
357 (CONSTRAINT_OK_FOR_Q): New.
358 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
359 (movsf_internal, movdf_internal): Likewise.
360 (cmovdi_internal): Rewrite so that constraints and predicates match;
362 (cmovsi_internal): Likewise.
364 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
365 (ASM_FILE_START): New.
366 * config/ia64/ia64.c (ia64_file_start): New.
367 (rtx_needs_barrier): Handle pred.rel.mutex.
368 (emit_predicate_relation_info): New.
369 * config/ia64/ia64.md (pred_rel_mutex): New.
370 * config/ia64/linux.h (ASM_SPEC): Define.
371 * config/ia64/sysv4.h (ASM_FILE_START): Define.
373 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
374 filtering global register variables.
376 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
380 2000-06-17 Michael Meissner <meissner@redhat.com>
382 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
383 not present and there is a field after a '-'.
385 2000-06-17 Bruce Korb <bkorb@gnu.org>
387 * fixinc/check.tpl: finish the implementation of multiple tests
389 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
390 (io_quotes_def): add a second test
391 (various): reorder `files' so that "limits.h" is never first
392 * fixinc/tests/base/*: update the testing output
394 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
396 * gcc.texi: Remove reference to stupid.c.
398 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
400 * c-common.c (c_tree_code_type): New array.
401 (c_tree_code_length): Likewise.
402 (c_tree_code_name): Likewise.
403 (add_c_tree_codes): New function.
405 * c-common.h (add_c_tree_codes): Declare.
406 (enum c_tree_code): New enum.
408 * c-lex.c (init_parse): Added call to add_c_tree_codes.
410 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
412 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
413 select pattern to also match macro defs with only one argument.
415 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
417 * i386.md: Create new [right,left] rotate and right shift
418 patterns to optimize shift by 1 bit for certain ia32 processors.
419 Update patterns which perform left shifts to optimize shift by
420 1 bit for certain ia32 processors.
421 * i386.c (const_int_1_operand): New predicate.
422 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
423 * i386-protos.h (const_int_1_operand): Prototype.
425 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
427 * mips.c (machine_dependent_reorg): Fix braces for nested if.
429 2000-06-14 Geoff Keating <geoffk@cygnus.com>
431 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
434 2000-06-14 Richard Henderson <rth@cygnus.com>
436 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
438 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
441 * print-rtl.c (print_rtx): Emit space before mem alias set.
443 2000-06-14 David Edelsohn <edelsohn@gnu.org>
445 * rs6000.c (expand_block_move): Fix typo in earlier change.
446 (print_operand): Remove unused variables neg and op.
447 (toc_hash_mark_entry): Fix prototype.
449 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
451 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
452 (THEN_CLAUSE): Likewise.
453 (ELSE_CLAUSE): Likewise.
454 (WHILE_COND): Likewise.
455 (WHILE_BODY): Likewise.
458 (RETURN_EXPR): Likewise.
459 (EXPR_STMT_EXPR): Likewise.
460 (FOR_INIT_STMT): Likewise.
461 (FOR_COND): Likewise.
462 (FOR_EXPR): Likewise.
463 (FOR_BODY): Likewise.
464 (SWITCH_COND): Likewise.
465 (SWITCH_BODY): Likewise.
466 (CASE_LOW): Likewise.
467 (CASE_HIGH): Likewise.
468 (GOTO_DESTINATION): Likewise.
469 (COMPOUND_BODY): Likewise.
470 (ASM_CV_QUAL): Likewise.
471 (ASM_STRING): Likewise.
472 (ASM_OUTPUTS): Likewise.
473 (ASM_INPUTS): Likewise.
474 (ASM_CLOBBERS): Likewise.
475 (DECL_STMT_DECL): Likewise.
476 (STMT_EXPR_STMT): Likewise.
477 (LABEL_STMT_LABEL): Likewise.
478 (SCOPE_BEGIN_P): Likewise.
479 (SCOPE_END_P): Likewise.
480 (SCOPE_STMT_BLOCK): Likewise.
481 (SCOPE_NULLIFIED_P): Likewise.
482 (SCOPE_NO_CLEANUPS_P): Likewise.
483 (SCOPE_PARTIAL_P): Likewise.
484 (ASM_VOLATILE_P): Likewise.
485 (STMT_LINENO): Likewise.
486 (STMT_LINENO_FOR_FN_P): Likewise.
488 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
489 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
490 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
491 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
492 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
494 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
496 2000-06-14 David O'Brien <obrien@FreeBSD.org>
498 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
499 writable in parts of the GCC code.
501 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
502 specification match cast.
504 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
506 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
507 * configure, config.in: Rebuilt.
508 * sys-protos.h: Similarly.
510 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
512 * ifcvt.c (EDGE_COMPLEX): Move definition ...
513 * basic-block.h (EDGE_COMPLEX): ... here.
515 * loop.c (check_dbra_loop): Specify the register when
516 generating REG_NONNEG notes and don't generate duplicates.
518 2000-06-13 Jakub Jelinek <jakub@redhat.com>
520 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
521 (struct tree_type, struct tree_decl): Add user_align member.
522 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
523 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
524 and DECL_USER_ALIGN 0, cap alignment to this value.
525 (place_field): Likewise.
526 (finalize_type_size): Set TYPE_USER_ALIGN.
527 (layout_type): Likewise.
528 (initialize_sizetypes): Likewise.
529 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
530 DECL_USER_ALIGN to 1.
531 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
532 (xfer_tag): Set TYPE_USER_ALIGN.
533 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
534 (finish_enum): Likewise.
535 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
536 (expand_anon_union_decl): Likewise.
537 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
538 (build_index_type): Set TYPE_USER_ALIGN.
539 (build_range_type): Likewise.
540 (build_common_tree_nodes_2): Likewise.
541 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
543 2000-06-13 Andreas Jaeger <aj@suse.de>
545 * configure.in: Use --enable-checking=misc,tree,gc by default if
546 no --enable-checking option is given and for
547 --enable-checking=yes.
548 * configure: Rebuilt.
550 2000-06-13 Richard Henderson <rth@cygnus.com>
552 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
553 (__throw): Don't pass the address of a label.
555 * config/ia64/ia64.c (ia64_compute_frame_size): Use
556 current_function_is_leaf.
557 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
558 instead of reg_names[RETURN_ADDRESS_REGNUM].
559 (ia64_init_machine_status): Reset return_address_pointer_rtx.
560 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
561 from RETURN_ADDRESS_REGNUM. Update all uses.
562 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
563 zero instead of null on failure.
564 (ELIMINABLE_REGS): Add ra->b0 elimination.
565 (CAN_ELIMINATE): Update accordingly.
566 (INITIAL_ELIMINATION_OFFSET): Likewise.
567 (REGISTER_NAMES): Use an illegal assembler name for
568 RETURN_ADDRESS_POINTER_REGNUM.
570 2000-06-13 Richard Henderson <rth@cygnus.com>
572 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
573 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
574 (REG_CLASS_NAMES): Likewise.
575 (REG_CLASS_CONTENTS): Likewise.
576 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
577 (HARD_REGNO_MODE_OK): Remove references to them.
578 (REGNO_REG_CLASS): Likewise.
579 (REG_CLASS_FROM_LETTER): Likewise.
580 (CLASS_MAX_NREGS): Likewise.
581 (REGISTER_MOVE_COST): Likewise.
582 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
583 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
584 (movqi_internal): Special case moves from zero.
585 (movhi_internal, movsi_internal): Likewise.
586 (movdi_internal): Likewise. Fill out "f" constraints.
587 (movsf_internal): Fill out "r" constraints.
588 (movdf_internal): Likewise.
590 2000-06-13 Richard Henderson <rth@cygnus.com>
592 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
595 * haifa-sched.c (struct deps): Add in_post_call_group_p.
596 (add_dependence): Handle notes between SCHED_GROUP_P insns.
597 (remove_dependence): Always define.
598 (set_sched_group_p): New.
599 (sched_analyze_2): Use it.
600 (sched_analyze_insn): Don't special-case naked uses. Look for
601 and extend in_post_call_group_p.
602 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
603 (init_deps): Clear in_post_call_group_p.
605 2000-06-13 Richard Henderson <rth@cygnus.com>
607 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
608 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
609 and hard-coded tests.
610 (simplify_set): Likewise.
611 (gen_lowpart_for_combine): Likewise.
612 * emit-rtl.c (gen_lowpart_common): Likewise.
613 * global.c (find_reg): Likewise.
614 * local-alloc.c (find_free_reg): Likewise.
615 * recog.c (register_operand): Likewise.
616 * regclass.c (init_reg_sets_1): Likewise.
617 (record_operand_costs, regclass): Likewise.
618 * reload.c (push_reload): Likewise.
619 * reload1.c (choose_reload_regs): Likewise.
620 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
621 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
622 Update all references.
623 * regs.h (struct reg_info_def): Likewise.
624 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
625 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
626 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
628 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
629 (CLASS_CANNOT_CHANGE_MODE_P): New.
630 * config/mips/mips.h: Likewise.
631 * config/pa/pa32-regs.h: Likewise.
632 * config/pa/pa64-regs.h: Likewise.
633 * config/rs6000/rs6000.h: Likewise.
634 * config/sh/sh.h: Likewise.
635 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
636 (CLASS_CANNOT_CHANGE_MODE_P): New.
637 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
638 * config/d30v/d30v.h: Likewise.
640 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
642 * configure.in: Add AC_TYPE_GETGROUPS test.
643 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
644 * configure: Rebuilt.
645 * config.in: Rebuilt.
647 2000-06-13 Richard Henderson <rth@cygnus.com>
649 * explow.c (set_mem_attributes): Do nothing for NULL type.
651 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
653 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
656 2000-06-13 James E. Wilson <wilson@cygnus.com>
658 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
660 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
662 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
664 2000-06-13 Philipp Thomas <pthomas@suse.de>
666 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
667 * configure: Rebuilt.
669 2000-06-07 David O'Brien <obrien@FreeBSD.org>
671 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
672 We now default to ELF for the i386, and a.out is the special case.
673 * configure: Rebuilt.
675 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
677 * final.c (final_scan_insn): Delete notes between cc0 setter and
678 user when restarting from setter.
680 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
682 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
683 cast to squelch signed/unsigned warnings.
685 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
687 * cpplib.c (handle_directive): Print non-NUL-terminated string
690 2000-06-12 Michael Meissner <meissner@redhat.com>
692 * ifcvt.c (dead_or_predicable): Don't do conditional execution
693 path if the machine needs extra support to do conditional
696 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
698 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
699 to print the alias set.
700 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
702 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
704 * config/float-vax.h: Add GFLOAT defines.
706 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
708 * configure.in: Update tm dependencies for MPE.
709 * configure: Rebuilt.
711 2000-06-12 H.J. Lu <hjl@gnu.org>
713 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
715 2000-06-12 David Edelsohn <edelsohn@gnu.org>
717 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
718 (CPP_SPEC): Change mthreads to pthread.
719 (LIB_SPEC): Likewise.
720 (STARTFILE_SPEC): Likewise.
721 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
722 (CPP_SPEC): Change mthreads to pthread.
723 (LIB_SPEC): Likewise.
724 (STARTFILE_SPEC): Likewise.
725 * rs6000-protos.h (reg_or_arith_cint_operand): New.
726 * rs6000.c (reg_or_arith_cint_operand): New.
727 (num_insns_constant_wide): Decorate unsigned constant.
728 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
729 * rs6000.md (addsi3): Use new predicate.
730 (subsi3, adddi3, subdi3): Likewise.
732 2000-06-12 Mark Mitchell <mark@codesourcery.com>
734 * c-common.c (lang_get_alias_set): Fix typo.
736 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
738 * flow.c (mark_used_regs): Revert last change.
739 (life_analysis): Remove PROP_AUTOINC if running after reload.
740 (propagate_one_insn): PROP_AUTOINC is always off after reload.
742 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
744 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
747 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
749 * bb-reorder.c (build_scope_forest): Initialize variable
752 * calls.c (expand_call): Likewise for variables
753 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
755 * i386.c (function_arg_advance, function_arg): Cast to avoid
756 signed/unsigned warnings.
758 * i386.h (MEMORY_MOVE_COST): Likewise.
760 * ifcvt.c (cond_exec_process_if_block): Initialize variables
761 `else_start' and `else_end'.
763 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
765 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
767 2000-06-10 Mark Mitchell <mark@codesourcery.com>
769 * Makefile.in (libintl.a): Depend on intl.all.
771 2000-06-09 H.J. Lu (hjl@gnu.org)
773 * Makefile.in (c-parse.o): Also depend on output.h.
775 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
777 * mcore-protos.h: discards const warning removal.
778 * mcore.c: discards const warning removal.
780 2000-06-09 Kazu Hirata <kazu@hxi.com>
782 * config/h8300/lib1funcs.asm: Declare the machine architecture at
783 the beginning of the file.
785 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
787 * real.h: Add prototype for ldexp.
789 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
791 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
792 it ggc_alloc, drop second argument, never clear returned memory.
793 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
794 (ggc_alloc_cleared): New.
795 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
796 ggc_alloc_obj. Remove ggc_alloc macro.
797 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
799 * rtl.c (rtvec_alloc): Clear the vector always.
800 (rtx_alloc): Clear the first word always. Remove dirty
801 obstack tricks (this routine is no longer a bottleneck).
802 * tree.c (make_node): Clear the new node always.
803 (make_tree_vec): Likewise.
804 (tree_cons): Clear the common structure always.
805 (build1): Likewise; also, clear TREE_COMPLEXITY.
806 * gengenrtl.c: Use puts wherever possible. Remove extra
808 (gendef): Clear the first word of an RTX in the generator
809 function, irrespective of ggc_p. Initialize '0' slots to
811 (genlegend): Don't generate obstack_alloc_rtx routine, just a
812 thin wrapper macro around obstack_alloc.
814 * stmt.c (expand_fixup): Use ggc_alloc.
815 * c-typeck.c (add_pending_init): Use ggc_alloc.
816 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
817 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
818 const0_rtx when it is created.
819 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
820 we are not in a function.
822 * tree.c (tree_class_check_failed): Make second arg an int.
823 * tree.h: Update prototype.
825 2000-06-09 Geoff Keating <geoffk@cygnus.com>
827 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
828 of an error_mark_node.
830 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
832 * config/avr/avr.c (asm_output_section_name): bugfix.
834 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
836 * timevar.def: Add TV_EXPAND.
837 * timevar.c (timevar_print): Update timing information.
838 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
840 * stmt.c (expand_return): Check for error_mark_node.
842 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
846 * scan-types.sh (VALUE) Wrap use with double quotes to protect
847 variable against filename expansion when it contains "char *".
849 * system.h (SSIZE_MAX): Delete backup definition.
851 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
852 instead of SSIZE_MAX.
854 2000-06-09 Jakub Jelinek <jakub@redhat.com>
856 * configure.in: Check whether gas supports -relax.
857 * configure, config.in: Rebuilt.
858 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
859 (EXTRA_SPECS): Add asm_relax.
860 (ASM_SPEC): Add %(asm_relax).
861 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
862 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
863 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
864 (ASM_SPEC): Add %(asm_relax).
865 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
866 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
867 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
868 instead of mov, so that gas can further optimize it.
870 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
872 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
874 (value_format, case dw_val_class_const): Use sdata format.
875 (output_die): Call output_sleb128.
877 2000-06-08 James E. Wilson <wilson@cygnus.com>
879 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
880 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
881 ASM_OUTPUT_DWARF_CONST_DOUBLE.
882 (output_die, case dw_val_class_unsigned_const): Correct call to
883 ASM_OUTPUT_DWARF_DATA8.
884 (output_die, case dw_val_class_long_long): Use
885 ASM_OUTPUT_DWARF_CONST_DOUBLE.
886 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
889 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
890 (output_function_prologue): Fix mispelling.
891 (output_function_prologue, output_function_epilogue): Reorder to
892 match ia64.c definition order.
893 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
894 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
895 Use r3 instead of r2 for large stack restores.
896 (ia64_output_end_prologue): New function.
897 (process_set): Emit ".restore sp" for epilogue stack restores.
898 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
900 2000-06-08 Jakub Jelinek <jakub@redhat.com>
902 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
905 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
907 * frame.c (end_fde_sort): Remove extraneous erratic array test.
909 2000-06-08 Denis Perchine <dyp@perchine.com>
911 * frame.c (start_fde_sort): Don't malloc (0).
913 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
915 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
917 * print-tree.c (print_node): The transparent_union_flag means
918 different things for unions and arrays. Do not inspect it
919 with TYPE_TRANSPARENT_UNION.
921 2000-06-06 Jakub Jelinek <jakub@redhat.com>
923 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
926 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
928 * config/avr/avr.c (asm_output_section_name): output section
930 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
932 2000-06-06 James E. Wilson <wilson@cygnus.com>
934 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
935 fields into header field.
936 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
937 macros to access length, flags, and version info from header field.
938 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
939 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
940 (__do_global_ctors_aux): Fix caller.
941 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
942 prologue_flag to header. Pass to read_P_record.
943 (read_P_record): New argument header. Implement P4 format.
944 Multiply P7_T_SIZE by 16.
945 (execute_one_ia64_descriptor): New static local region_header. Pass to
946 get_unwind_record. Copy r to region_header if r is a header record.
947 (print_all_records): Likewise.
948 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
949 (__get_personality, __get_except_table): Likewise.
950 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
952 2000-06-06 Philipp Thomas <pthomas@suse.de>
954 * configure.in (AC_C_INLINE): Added.
955 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
956 * configure: Regenerate.
958 2000-06-06 Mark Mitchell <mark@codesourcery.com>
960 * c-common.h (c_language_kind): New type.
961 (c_language): New variab.e
962 * c-common.c (lang_get_alias_set): Don't put structures in
963 non-zero alias sets in C++.
964 * c-decl.c (c_language): Define it.
965 * c-lex.c (doing_objc_thang): Remove.
966 * c-tree.h (doing_objc_thang): Make it a macro.
967 * objc/objc-act.c (lang_decode_option): Set c_language, not
970 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
972 * diagnostic.c (output_maximum_width): Remove.
973 (doing_line_wrapping): Tweak.
974 (diagnostic_buffer): New object.
975 (global_output_buffer): New object.
976 (output_destroy_prefix): New function.
977 (default_initialize_buffer): Likewise.
978 (reshape_diagnostic_buffer): Likewise.
979 (initialize_diagnostics): Likewise.
980 (output_clear): Tweak.
981 (line_wrapper_printf): Adjust call to init_output_buffer.
982 (vline_wrapper_message_with_location): Likewise. Use
983 output_destroy_prefix.
984 (v_message_with_decl): Likewise.
986 * diagnostic.h (struct output_buffer): Constify prefix.
987 (init_output_buffer, output_get_prefix): Constify.
988 (diagnostic_message_length_per_line): Likewise.
989 (reshape_diagnostic_buffer): Declare.
990 (default_initialize_buffer): Declare.
991 (initialize_diagnostics): Declare.
992 (diagnostic_buffer): Declare new obbject.
994 * toplev.c: #include diagnostic.h
995 (display_help): Document diagnostic formatting options.
996 (decode_f_option): Handle diagnostic formatting options.
997 (main): Setup initialization for diagnostic messages outputter.
999 * toplev.h (set_message_length): Remove.
1001 * Makefile.in (toplev.o): Depends upon diagnostic.h
1003 * invoke.texi : Document diagnostics formatting options.
1005 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1007 * configure.in (Make the links): Typo fix : the file that must be
1008 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1009 * configure: File rebuilt.
1011 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1013 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1014 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1016 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1017 emergency eh_context buffer, if malloc fails.
1018 (__eh_free): Moved from cp/exception.cc. Release to emergency
1019 eh_context buffer, if appropriate.
1021 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1023 * expr.c (store_expr): Fix typo.
1025 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1027 * m68k.c (legitimize_pic_address): Move prototype ...
1029 * m68k-protos.h (legitimize_pic_address): ... here.
1031 * m68k.md (legitimize_pic_address): Delete prototypes.
1032 (untyped_call): Invoke GEN_CALL(), not gen_call().
1034 * nextstep.c: Include system.h and toplev.h.
1035 (get_directive_line): Don't prototype.
1036 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1038 * nextstep.h (handle_pragma): Prototype.
1039 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1040 objc_section_init ...
1041 (EXTRA_SECTION_FUNCTIONS): ... here.
1043 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1045 * sdbout.c (struct sdb_file): NAME now const.
1046 (sdbout_init): input_file_name now const.
1047 (sdbout_start_new_source_file): FILENAME now const.
1048 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1050 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1052 * c-typeck.c (build_conditional_expr): Handle complex data types.
1054 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1056 * explow.c (maybe_set_unchanging): New function, broken out from...
1057 (set_mem_attributes): Here.
1058 * expr.h: Declare it.
1059 * stmt.c (expand_decl): Call it.
1061 2000-06-05 Richard Henderson <rth@cygnus.com>
1063 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1064 while looking for a register to inherit from.
1066 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1068 * Makefile.in (libgcc.ready): Lose.
1069 (libgcc.mk): Just use mv, not move-if-change.
1070 (LIBGCC_DEPS): New macro.
1072 (stmp-multilib): Likewise.
1073 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1074 it rather than the directories themselves.
1075 (LIB2ADD): Depend on the list file rather than 'force'.
1077 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1078 cv-qualified versions of types.
1080 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1082 * config/sparc/sparc.c (short_branch): Correct error in range
1085 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1087 * fixinc/inclhack.def: New include hacks for ultrix.
1088 * (nested_ultrix): Replaced by ultrix_nested_svc.
1089 * (ultrix_atof_param): test_text string added.
1090 * (ultrix_ifdef): Modified select string.
1092 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1094 * objc/objc-act.c (generate_method_descriptors): Register
1095 objc_method_prototype_template as a GC root.
1096 (comp_method_with_proto): Register function_type as a GC root.
1097 (comp_proto_with_proto): Replace function_type1 and
1098 function_type2 with a two-element array; register it as a GC root.
1100 (generate_protocols, build_protocol_initializer,
1101 generate_protocol_list, build_category_initializer,
1102 build_shared_structure_initializer): Do not cache cast_type
1105 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1107 * function.c (assign_parms): Add missing argument to set_mem_attributes
1110 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1112 * tree.h (VOID_TYPE_P): New macro.
1113 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1114 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1115 (get_parm_info): Likewise.
1116 (store_parm_decls): Likewise.
1117 (combine_parm_decls): Likewise.
1118 (finish_function): Likewise.
1119 * c-typeck.c (build_function_call): Likewise.
1120 (build_binary_op): Likewise.
1121 (build_conditional_expr): Likewise.
1122 (internal_build_compound_expr): Likewise.
1123 (convert_for_assignment): Likewise.
1124 * stmt.c (expend_expr_stmt): Likewise.
1125 (warn_if_unused_value): Likewise.
1126 (expand_return): Likewise.
1127 * c-parse.in (primary): Likewise.
1128 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1129 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1131 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1133 * alias.c (get_alias_set): If compnent is addressable, use alias
1135 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1136 (grokdeclarator): Likewise.
1137 * c-typeck.c (common_type): Likewise.
1139 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1141 * Makefile.in (OBJS): Remove dyn_string.o
1142 (dyn-string.o): Delete rule.
1143 * dyn-string.c: Delete file
1144 * dyn-string.h: Likewise.
1146 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1148 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
1151 2000-06-03 Geoff Keating <geoffk@cygnus.com>
1153 * alias.c (record_component_aliases): Don't inspect
1154 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1156 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
1158 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1159 it with the pattern to do machine dependent work.
1160 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1161 use it to modify the true/false tests used in conditional
1162 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1163 defined, invoke them if the conversion to conditional execution
1164 was successful or not.
1166 * tm.texi (IFCVT_MODIFY_TESTS): Document.
1167 (IFCVT_MODIFY_INSN): Ditto.
1168 (IFCVT_MODIFY_FINAL): Ditto.
1169 (IFCVT_MODIFY_CANCEL): Ditto.
1171 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1173 * toplev.c (main): Fix misspellings of possibility and language.
1175 2000-06-03 Richard Henderson <rth@cygnus.com>
1177 * alias.c (record_alias_subset): Initialize has_zero_child in the
1180 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
1182 * arm.md (untyped_call): Use GEN_CALL macro.
1184 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
1186 * Makefile.in: Use $(MAKE) not "make"
1188 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1190 * alias.c (struct alias_set_entry): New field has_zero_child.
1191 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1192 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1194 Call record_component_aliases for aggregate types.
1195 (record_alias_subset): Set has_zero_child.
1196 (record_component_aliases, case ARRAY_TYPE): Do nothing if
1197 TYPE_NONALIASES_COMPONENT.
1198 (record_component_aliases, case RECORD_TYPE): Test
1199 DECL_NONADDRESSABLE_P.
1200 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1201 of TREE_ADDRESSABLE.
1202 * calls.c (initialize_argument_information): Only test
1203 TYPE_TRANSPARENT_UNION for UNION_TYPE.
1204 * function.c (assign_parms): Likewise.
1205 * integrate.c (function_cannot_inline_p): Likewise.
1206 * stor-layout.c (finish_record_layout): Don't call
1207 record_component_aliases.
1208 * tree.h (struct tree_int_cst): Use struct tree_common.
1209 (struct tree_real_cst, struct tree_string): Likewise.
1210 (struct tree_complex, struct tree_identifier): Likewise.
1211 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1212 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
1213 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1214 (TYPE_NONALIASES_COMPONENT): New macro.
1215 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1216 (DECL_NONADDRESSABLE_P): New macro.
1217 (struct tree_decl): Reorder bits for clarity of how many left;
1220 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
1222 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
1223 * mklibgcc.in (force): New target.
1224 Make LIB2ADD stuff depend on it.
1226 2000-06-02 Richard Henderson <rth@cygnus.com>
1228 * alias.c (lang_get_alias_set): Remove.
1229 (get_alias_set): Call it directly, not indirectly.
1230 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
1231 * c-common.h (c_get_alias_set): Don't declare.
1232 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
1233 * expr.h (lang_get_alias_set): Declare as function, not pointer.
1235 2000-06-02 Bruce Korb <bkorb@gnu.org>
1237 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
1238 (server_setup): define the server's master pid
1239 (close_server): actually do the deed IFF we are the server's master
1241 2000-06-02 Jakub Jelinek <jakub@redhat.com>
1243 * c-common.c (c_get_alias_set): Check whether signed_type did not
1244 return its argument before calling get_alias_set on the result.
1246 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
1248 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
1250 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1252 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
1253 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
1254 for TARGET_NOMACSAVE.
1255 (NOMACSAVE_BIT): Define.
1256 (TARGET_NOMACSAVE): Define.
1257 (TARGET_SWITCHES): Add "nomacsave".
1259 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
1261 * sh.md (untyped_call): Remove excess parameters
1263 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
1265 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
1266 match that used before the conversion to c_fix style.
1267 * fixinc/fixincl.x: regenerate
1269 2000-06-01 Stan Cox <scox@cygnus.com>
1271 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
1272 macro argument typo.
1274 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
1276 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
1278 * cpplib.c (parse_include): Remove support for VAX-C
1279 "#include starlet" misfeature.
1281 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
1283 * cppfiles.c: conditionally define O_BINARY.
1284 (open_include_file): pass O_BINARY to open().
1286 2000-06-01 Richard Henderson <rth@cygnus.com>
1288 * i960.c (i960_br_predict_opcode): Remove.
1289 (i960_print_operand) [+]: Emit branch prediction hints.
1290 (i960_function_arg): Return early for VOIDmode.
1291 (i960_round_align): Return early for incomplete types.
1292 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1293 * i960.md (all conditional branches): Add "%+".
1295 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * alias.c (get_alias_set): Don't call language-specific routine more
1298 than is needed and clean up code a bit.
1299 * c-common.c (c_get_alias_set): All references whose type
1300 is char get alias set 0, but character types need not.
1301 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
1302 (make_decl_rtl): Don't call it for FUNCTION_DECL.
1304 2000-06-01 Bruce Korb <bkorb@gnu.org>
1306 * fixinc/tests/base/...: new base result files
1308 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
1310 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
1311 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
1312 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
1315 2000-06-01 Richard Henderson <rth@cygnus.com>
1317 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
1319 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
1321 2000-05-31 Richard Henderson <rth@cygnus.com>
1323 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
1324 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
1325 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
1327 2000-05-31 Richard Henderson <rth@cygnus.com>
1329 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
1330 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
1331 (ia64_print_operand) [+]: ... here. Use current_output_insn.
1332 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1333 * config/ia64/ia64.md (all branch/call patterns): Use %+.
1335 2000-05-31 Richard Henderson <rth@cygnus.com>
1337 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
1339 2000-05-31 Richard Henderson <rth@cygnus.com>
1341 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
1343 (find_if_block): Allow THEN with no outgoing edges.
1344 * flow.c (merge_blocks_nomove): Remove a barrier not following
1347 2000-05-31 Richard Henderson <rth@cygnus.com>
1349 * flow.c (propagate_block): Move initialization of mem_set_list ...
1350 (init_propagate_block_info): ... here. Also track blocks with
1351 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
1353 2000-05-31 Richard Henderson <rth@cygnus.com>
1355 * jump.c (jump_optimize_1): Revert 05-18 change.
1357 2000-05-31 Mark Mitchell <mark@codesourcery.com>
1359 * invoke.texi: Remove documentation for -fguiding-decls.
1361 2000-05-31 Richard Henderson <rth@cygnus.com>
1363 * configure.in: Fix typo last change.
1365 2000-05-31 Philipp Thomas <pthomas@suse.de>
1367 * configure.in (enable-nls): Enable if build == host, i.e. when
1368 not building a canadian cross compiler.
1369 (enable-maintainer-mode): Added for use with i18n.
1370 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
1371 cross section of ALL_LINGUAS and LINGUAS.
1372 * configure: Rebuild.
1374 2000-05-31 Bruce Korb <bkorb@gnu.org>
1376 * fixinc/check.tpl: rework to use test result tree
1377 * fixinc/Makefile.in: change invocation of check script
1378 * fixinc/check.diff: No longer needed
1379 * fixinc/fixincl.x: regenerate
1380 * fixinc/inclhack.def: add new tests
1381 * fixinc/tests/base/arch/i960/archI960.h: New test result
1382 * fixinc/tests/base/curses.h: modified test result
1383 * fixinc/tests/base/stdio.h: ditto
1384 * fixinc/tests/base/time.h: ditto
1385 * fixinc/tests/base/sys/asm.h: ditto
1386 * fixinc/tests/base/sys/stat.h: ditto
1387 * fixinc/tests/base/sys/wait.h: ditto
1389 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
1391 * except.c (clear_function_eh_region): Do not free NULL.
1393 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1395 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1396 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1397 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
1398 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1399 (find_base_decl): New function, from c_find_base_decl in c-common.c.
1400 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1401 (get_alias_set): Likewise.
1402 Major rework to do more things and allow language-specific code
1403 to just handle special-cases.
1404 (record_alias_subset): Args are HOST_WIDE_INT.
1405 (record_component_alias): Local vars are HOST_WIDE_INT.
1406 Don't handle COMPLEX_EXPR.
1407 (get_varargs_alias_set): Moved from builtins.c.
1408 (get_frame_alias_set): New function.
1409 * builtins.c (expand_builtin_return_address): Use frame alias set.
1410 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1412 (get_memory_rtx): Rework to use set_mem_attributes.
1413 (get_varargs_alias_set): Deleted from here.
1414 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1415 (c_find_base_decl): Deleted from here.
1416 (c_get_alias_set): Remove many cases and rework to just handle
1418 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1419 * c-decl.c (rtl.h, expr.h): Now included.
1420 (init_decl_processing): Call record_component_aliases on array types.
1421 (grokdeclarator): Likewise.
1422 Set TREE_ADDRESSABLE for all fields that are not bitfields.
1423 * c-typeck.c (common_type): Call record_component_aliases for array.
1424 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
1425 Set all save areas to the frame alias set.
1426 * calls.c (initialie_argument_information): Call set_mem_attributes.
1427 (compute_argument_addresses, expand_call): Likewise.
1428 * explow.c (set_mem_attributes): New function.
1429 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1430 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1431 LEN and OFFSET now HOST_WIDE_INT.
1432 (clear_by_pieces): Similar changes.
1433 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1434 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1435 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1436 (clear_by_pieces_1): Likewise.
1437 (emit_push_insn): Call set_mem_attributes.
1438 (expand_expr, case INDIRECT_REF): Likewise.
1439 (expand_expr, case VAR_DECL): Call change_address.
1440 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1442 (get_varargs_alias_set, get_frame_alias_set): New decls.
1443 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1444 (new_alias_set, set_mem_attributes): Likewse.
1445 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1446 (assign_stack_temp_for_type): Likewise.
1447 Can split slot even if alias set since can copy.
1448 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1449 (assign_temp): Use host_integerp and tree_low_cst.
1450 (put_var_into_stack): Properly handle SAVE_EXPR.
1451 (put_addressof_into_stack): Likewise.
1452 (assign_parms): Call set_mem_attributes.
1454 (fix_lexical_address): Put reference to chain into frame alias set.
1455 (expand_function_start): Call set_mem_attributes.
1456 * integrate.c (expand_inline_function): Likewise.
1457 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1458 * regmove.c (try_apply_stack_adjustment): Likewise.
1459 * reload.c (push_reload, make_memloc): Likewise.
1460 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
1461 * rtl.def (MEM): Update comment.
1462 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1463 (move_by_pieces): Change length to HOST_WIDE_INT.
1464 (record_base_value, record_alias_subset): Delete from here.
1465 * stmt.c (expand_decl): Call set_mem_attributes.
1466 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
1467 * toplev.c (compile_file): Call init_alias_once earlier.
1468 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
1469 from here: now in alias.c.
1470 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
1471 (struct tree_decl): Likewise.
1472 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
1473 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
1474 (output_constant_def, force_const_mem): Likewise.
1476 * flow.c (propagate_block): If block has no successors, stores to
1477 frame are dead if not used.
1479 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
1481 * stmt (expand_end_case): Reorder conversion sequence for jump
1482 table to avoid extra truncations.
1484 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
1486 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
1487 in the block is more than just a simple conditional branch.
1488 (noce_process_if_block): Similarly.
1490 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
1492 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
1495 2000-05-30 Michael Meissner <meissner@redhat.com>
1497 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
1498 instructions. Treat LO_SUM operations as loading the full integer
1501 2000-05-30 Richard Henderson <rth@cygnus.com>
1503 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
1505 2000-05-30 Richard Henderson <rth@cygnus.com>
1507 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
1509 2000-05-30 Bruce Korb <bkorb@gnu.org>
1511 * fixinc/tests/*: Added expected result files for fixinc's make check
1512 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
1514 2000-05-30 Richard Henderson <rth@cygnus.com>
1516 * config/alpha/alpha.md (*setne_internal): Use match_operator
1517 instead of working down from insn.
1519 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * invoke.texi (-Wtraditional): Update WRT function macros.
1523 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
1525 * except.c (free_exception_table): Do not free NULL.
1527 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1529 * cpplib.c (do_if): Don't save and restore only_seen_white here.
1530 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
1533 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
1535 * flow.c (mark_used_reg): If a register is unconditionally live,
1536 remove any conditional death information.
1538 2000-05-29 Richard Henderson <rth@cygnus.com>
1540 * final.c (current_output_insn): New.
1541 (final_scan_insn): Set it.
1542 * output.h: Declare it.
1544 2000-05-29 Richard Henderson <rth@cygnus.com>
1546 * stor-layout.c (finalize_record_size): Fix typo.
1548 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
1551 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1553 * cpplib.h (cpp_reader): Remove if_stack. Change
1554 potential_control_macro to a cpp_hashnode *. Add skipping flag.
1555 * cpphash.h (struct ihash): Change control_macro to a
1556 cpp_hashnode * and shorten name to cmacro.
1557 Add NEVER_REINCLUDE constant.
1559 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
1560 Examine the cmacro node directly, no need to call cpp_defined.
1561 (_cpp_execute_include, read_include_file): Set cmacro to
1562 NEVER_REINCLUDE, not U"".
1563 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
1564 (cpp_get_token): If pfile->skipping is true, discard text and
1565 keep scanning until we hit a directive; don't expand macros.
1567 * cpplib.c (struct if_stack): Remove if_succeeded, add
1568 was_skipping. Change control_macro to a cpp_hashnode * and
1569 shorten name to cmacro. Remove typedef IF_STACK.
1570 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
1571 (conditional_skip, skip_if_group,
1572 consider_directive_while_skipping): Delete.
1573 (push_conditional): New.
1574 (_cpp_handle_directive): Don't process directives other than
1575 conditionals if we are skipping.
1577 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
1578 Update to new scheme.
1579 (validate_else): Skip rest of line here, unconditionally.
1580 (_cpp_unwind_if_stack): The stack is per-buffer. Force
1581 pfile->skipping off.
1583 (all): Remove `scare quotes' from error messages.
1585 2000-05-29 Richard Henderson <rth@cygnus.com>
1587 * function.c (emit_return_into_block): New line_note arg; emit it.
1588 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
1589 for the close brace to accompany HAVE_return. Move all line notes
1590 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
1592 2000-05-29 Richard Henderson <rth@cygnus.com>
1594 * longlong.h [__alpha] (count_leading_zeros): New.
1595 (count_trailing_zeros): New.
1596 (COUNT_LEADING_ZEROS_0): New.
1598 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
1599 (alpha_split_conditional_move): New.
1600 * config/alpha/alpha-protos.h: Prototype them.
1601 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1602 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
1603 * config/alpha/alpha.md: Update ffs cix commentary.
1605 (*nabssf2, *nabsdf2): New.
1606 (*mov[qhsd]icc_internal): Use add_operand.
1607 (if_then_else constant splitters): New.
1608 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
1609 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
1611 2000-05-29 Richard Henderson <rth@cygnus.com>
1613 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
1614 a constant to NEG or NOT when conditions allow.
1616 * combine.c (combine_simplify_rtx): Don't create an if_then_else
1617 unless both args are general_operand. Don't canonicalize plus
1618 to ior unless it helps.
1620 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
1621 instead track register_life_up_to_date. Toggle no_new_pseudos
1624 2000-05-28 Geoff Keating <geoffk@cygnus.com>
1626 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
1627 so output_operand doesn't see them.
1629 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
1631 * lcm.c (make_preds_opaque): Fix comment.
1632 (optimize_mode_switching): Use NORMAL_MODE instead of
1633 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
1634 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
1635 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
1636 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
1637 (MODE_USES_IN_EXIT_BLOCK): Delete.
1638 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
1639 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
1640 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
1641 (MODE_NEEDED): Don't look for USE.
1642 (EPILOGUE_USES): Define.
1644 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
1646 * mklibgcc.in (all): Variable initialised to `libgcc'.
1648 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
1650 * toplev.h (skip_leading_substring): New macro.
1651 * toplev.c (decode_f_option): Use skip_leading_substring instead
1653 (decode_W_option): Likewise.
1655 2000-05-28 Nick Clifton <nickc@cygnus.com>
1657 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
1660 2000-05-28 Richard Henderson <rth@cygnus.com>
1662 * regclass.c (record_operand_costs): Protect reg_changes_size
1663 with CLASS_CANNOT_CHANGE_SIZE.
1665 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
1667 2000-05-28 Richard Henderson <rth@cygnus.com>
1669 * function.c (diddle_return_value): A pcc-style struct return
1672 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1674 * cppfiles.c: Read files in, using mmap if possible, then
1675 prescan them separately.
1676 (read_file, read_with_read): New functions.
1677 * cpplex.c: Don't define UCHAR_MAX.
1678 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
1681 * cppinit.c (handle_option): Automatically define __cplusplus,
1682 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
1683 the respective -lang switch.
1685 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
1686 prototype): Move to...
1687 * cpplib.h: ... here. Rename struct hashnode to struct
1688 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
1689 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
1691 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
1693 * config/rs6000/rs6000.md (movsi): Constify 'name'.
1695 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
1696 (class_can_change_size): New variable.
1697 (reg_changes_size): New variable.
1698 (init_reg_sets_1): Initialise class_can_change_size.
1699 (record_operand_costs): Remove subreg_changes_size.
1700 Don't pass it around. Instead update reg_changes_size.
1701 (regclass): Initialise and free reg_changes_size. If a register
1702 changes size, don't preference it to a class that contains
1703 registers that can't change size.
1704 (record_reg_classes): Don't look at subreg_changes_size.
1706 2000-05-27 Richard Henderson <rth@cygnus.com>
1708 * print-rtl.c (reg_names): Remove const.
1709 * regclass.c (reg_names): Likewise.
1710 * regs.h (reg_names): Likewise.
1711 * hard-reg-set.h (reg_names): Likewise.
1713 2000-05-27 Richard Henderson <rth@cygnus.com>
1715 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
1717 2000-05-27 Richard Henderson <rth@cygnus.com>
1719 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
1720 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
1721 (alpha_expand_prologue): Emit prologue_mcount if needed.
1722 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
1723 * config/alpha/alpha.md (prologue_mcount): New.
1724 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
1725 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
1726 * config/alpha/netbsd.h: Likewise.
1728 2000-05-27 Richard Henderson <rth@cygnus.com>
1730 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
1731 change to config/elfos.h.
1733 2000-05-27 Richard Henderson <rth@cygnus.com>
1735 * Makefile.in (resource.o): Depend on except.h.
1736 * except.h (output_exception_table_data): Prototype.
1737 * genconfig.c (gen_peephole2): Prototype.
1738 * genemit.c (main): Include ggc.h.
1739 * genoutput.c: Revert parts of last change: include errors.h
1740 (main): Set progname.
1741 * recog.c: Include hard-reg-set.h before recog.h.
1742 * resource.c: Include except.h.
1744 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
1746 (alpha_write_linkage): Protect with BUFSIZ.
1747 (alpha_need_linkage): Update prototype.
1748 * config/alpha/alpha.c (function_arg): Move VMS code here.
1749 (alpha_links_base): Remove.
1751 (mark_alpha_links_node, mark_alpha_links): New.
1752 (alpha_write_one_linkage): New.
1753 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
1754 (alpha_write_linkage): Use splay_tree_foreach.
1755 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
1756 to get the linkage symbol.
1757 (call_value_vms): Likewise.
1758 * config/alpha/elf.h (output_file_directive): Remove decl.
1759 (ctors_section, dtors_section): Prototype.
1760 (sbss_section, sdata_section): Prototype.
1761 * config/alpha/vms.h (FUNCTION_ARG): Remove.
1762 (readonly_section, link_section, literals_section): Prototype.
1763 (ctors_section, dtors_section): Prototype.
1764 (vms_valid_decl_attribute_p): Remove decl.
1765 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
1767 2000-05-27 Geoff Keating <geoffk@cygnus.com>
1769 * reload.c (get_secondary_mem): Don't widen floating-point modes.
1771 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
1772 substituting the REG in a (subreg:X (reg:Y ...)).
1774 2000-05-28 Neil Booth <NeilB@earthling.net>
1776 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
1777 first token of a line BOL. Update EOF code for this.
1778 Remove illegal directive check - it appears in the (not
1779 yet committed) caller.
1780 * cpplib.h (BOL): New flag.
1782 2000-05-28 Neil Booth <NeilB@earthling.net>
1784 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
1785 (_cpp_free_toklist): No comment space to free.
1786 (expand_comment_space): Remove.
1787 (save_comment_space): Place the comment in the current token and
1788 not in a separate comment space.
1789 (_cpp_lex_line): Save comments during plain code and #define
1791 * cpplib.h (struct _cpp_toklist): Remove comment space.
1793 2000-05-28 Neil Booth <NeilB@earthling.net>
1795 * cppexp.c (parse_assertion): Supply extra argument to
1797 * cpplib.c (do_assert, do_unassert): Similarly.
1798 * cpphash.h (_cpp_init_toklist) Update.
1799 (_cpp_expand_token_space): New.
1800 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
1801 * cpplex.c (_cpp_init_toklist): New argument.
1802 (parse_string2): New argument multiline_ok.
1803 (spell_token): Take a const cpp_token *.
1804 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
1805 (SPELL_ macros): Replace with enum.
1806 (expand_token_space): Replace with _cpp_expand_token_space.
1807 Take COUNT argument.
1808 (IS_DIRECTIVE): Update.
1809 (_cpp_lex_line): Update token structure before parsing number.
1810 Don't assume start at beginning of token list.
1811 (save_comment): Use INIT_TOKEN_NAME.
1813 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1815 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
1816 -Wmissing-prototypes.
1817 * configure: Regenerate.
1818 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
1820 * builtins.c, calls.c: Change all instances of gen_call_* or
1821 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
1822 * calls.c (struct_value_size_rtx): Separate definition from
1823 initialization to avoid unused variable warning.
1825 * genflags.c (gen_macro): New function.
1826 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
1827 (gen_nonproto): Delete.
1828 (gen_insn): Put all insns on the same obstack.
1829 (main): Generate prototypes for everything unconditionally.
1831 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
1832 out check for wchar_t.
1833 * acconfig.h: Add template for ssize_t. Remove @TOP@.
1834 * system.h: Add infrastructure for defining missing
1835 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
1836 definitions of UCHAR_MAX and SSIZE_MAX.
1837 * configure: Regenerate.
1838 * config.in: Regenerate.
1840 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
1841 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
1843 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
1844 libgcc2.a, or libgcc1.null.
1846 2000-05-27 Richard Henderson <rth@cygnus.com>
1848 * Makefile.in (recog.o): Don't depend on resource.h.
1849 * recog.c: Don't include resource.h.
1850 (recog_last_allowed_insn): Remove.
1851 (recog_next_insn): Remove.
1852 (struct peep2_insn_data): New.
1853 (peep2_insn_data, peep2_current): New.
1854 (peep2_next_insn): New.
1855 (peep2_regno_dead_p, peep2_reg_dead_p): New.
1856 (peep2_find_free_register): New.
1857 (peephole2_optimize): Track life information by insn as we go.
1858 * recog.h: Update declarations.
1859 * resource.c (find_free_register, reg_dead_p): Remove.
1860 * resource.h: Remove their declarations.
1861 * toplev.c: Include hard-reg-set.h before recog.h.
1863 * genconfig.c (max_insns_per_peep2): New.
1864 (gen_peephole2): New.
1866 * genemit.c (output_peephole2_scratches): Generate calls to
1867 peep2_find_free_register; adjust surrounding code.
1868 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
1869 * genrecog.c (change_state): Don't track last_insn.
1870 (write_action): Write into *_pmatch_len before accepting.
1871 (write_tree): Adjust peephole2_insns and subroutines to match.
1873 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
1875 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
1876 (hard_int_register_operand): New.
1877 * config/alpha/alpha-protos.h: Declare it.
1878 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1879 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
1880 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
1882 2000-05-27 Richard Henderson <rth@cygnus.com>
1884 * function.c (thread_prologue_epilogue_insns): Don't move the
1885 line note at the head of the chain. Only force a lineno note
1886 before the end of block 0.
1888 2000-05-27 Richard Henderson <rth@cygnus.com>
1890 * gensupport.c (collect_insn_data): Record the maximum number
1891 of alternatives, not the last seen.
1893 * genoutput.c: Don't include errors.h.
1894 (struct data): Add lineno member.
1896 (scan_operands): Use message_with_line instead of error.
1897 (validate_insn_alternatives): Likewise.
1898 (gen_insn): Accept and store the pattern's line number.
1899 (gen_peephole, gen_expand, gen_split): Likewise.
1900 (main): Don't set progname. Pass line_no to gen_foo.
1902 2000-05-27 Richard Henderson <rth@cygnus.com>
1904 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
1905 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
1906 * config/d30v/d30v.md (attr predicable): New.
1907 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
1908 (andsi3*): Unify into one pattern.
1909 (iorsi3*, xorsi3*): Likewise.
1910 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
1912 (old cond_exec patterns): Remove.
1913 (define_cond_exec): New.
1915 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1917 * tree.h (TREE_CODE_LENGTH): New macro.
1918 * c-common.c (c_find_base_decl): Use it.
1919 * expr.c (safe_from_p): Likewise.
1920 * print-tree.c (print_node): Likewise.
1921 * tree.c (make_node, copy_node, get_identifier): Likewie.
1922 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
1923 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
1924 * fold-const.c (make_range): Likewise.
1925 (fold): Likewise; also use first_rtl_op.
1926 * c-iterate.c (collect_iterators): Use first_rtl_op.
1927 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1928 Use IS_EXPR_CODE_CLASS.
1929 (preexpand_calls): Likewise.
1930 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1931 and TREE_CODE_LENGTH.
1932 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1934 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1936 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1938 (movdi_internal64): Likewise.
1940 * config/rs6000/rs6000.md: Correct order of operands for DImode
1943 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1944 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1945 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1946 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1947 boolean_operator for the boolean patterns without NOTs.
1949 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1950 from reg_or_u_cint_operand. Change comment and behaviour.
1951 (logical_operand): Clean up, add assertion.
1952 (non_logical_cint_operand): Also check for
1953 reg_or_logical_cint_operand.
1954 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1955 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1961 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1963 * tree.h (struct record_layout_info): Rename to (struct
1964 record_layout_info_s).
1965 * stor-layout.c (start_record_layout): Replace
1966 `record_layout_info' with `record_layout_info_s'.
1968 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1970 * flow.c (find_label_refs): New function.
1971 (find_basic_blocks_1): Call it for each alternative of a call
1974 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1976 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1979 2000-05-25 Richard Henderson <rth@cygnus.com>
1981 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1982 so strict about DImode.
1983 (alpha_swapped_comparison_operator): Likewise.
1984 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1985 any integer output mode.
1986 (*setcc_internal): Likewise.
1987 (*setcc_swapped_internal): Likewise.
1988 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1989 (*mov[qhs]icc_internal): New.
1990 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1992 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1994 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1996 2000-05-25 Richard Henderson <rth@cygnus.com>
1998 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1999 Remove add_jump; add next; replace flags with visited.
2001 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2002 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2003 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2004 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2006 (reorder_index, reorder_last_visited): Remove.
2007 (skip_insns_after_block): Rewrite to use a switch.
2008 (get_common_dest): Remove.
2009 (chain_reorder_blocks): Remove.
2010 (record_effective_endpoints): Split out from reorder_basic_blocks.
2011 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2012 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2013 Only construct the reorder chain, do not move insns. Try harder
2015 (label_for_bb, emit_jump_to_block_after): New.
2016 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2017 and adjust the jump insns appropriately. Fixup basic_block_info.
2018 (verify_insn_chain): Always define.
2019 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2021 (make_new_scope): Don't write zeros to calloc'd space.
2022 (build_scope_forest): Rely on xrealloc to DTRT.
2023 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2024 profile_arc_flag. Streamline EH test.
2026 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2027 * basic-block.h: Declare them.
2029 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2031 * emit-rtl.c (reset_used_decls): New function.
2032 (unshare_all_rtl_again): Call it.
2034 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2036 * cpplex.c (maybe_macroexpand): Warn about function-like
2037 macros used in non-function context, if -Wtraditional.
2039 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2041 * recog.c (peephole2_optimize): Use INSN_P.
2043 2000-05-25 Richard Henderson <rth@cygnus.com>
2045 * ifcvt.c (seq_contains_jump): New.
2046 (noce_try_store_flag_constants): Use it to fail conversion.
2047 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2049 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2051 * except.h (can_throw): Declare it.
2052 * except.c (can_throw): Give it external linkage.
2053 * resource.c (find_dead_or_set_registers): Use can_throw.
2055 2000-05-25 Richard Henderson <rth@cygnus.com>
2057 * flow.c (mark_set_1): Don't record conditionally dead memory.
2059 2000-05-25 Jan Hubicka <jh@suse.cz>
2061 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2062 and pc_set at the place of simplejump_p and condjump_p.
2063 * cse.c (record_jump_equiv): Likewise.
2064 * emit-rtl.c (emit): Likewise.
2065 * explow.c (find_next_ref): Likewise.
2066 * flow.c (tidy_fallthru_edge): Likewise.
2067 (init_propagate_block_info): Likewise.
2068 * gcse.c (delete_null_pointer_checks): Likewise.
2069 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2070 dead_or_predicable): Likewise.
2071 * integrate.c (copy_insn_list): Likewise.
2072 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2073 for_each_insn_in_loop, check_dbra_loop, get_condition,
2074 insert_bct, load_mems): Likewise.
2075 * resource.c (find_dead_or_set_registers): Likewise.
2076 * sibcalls.c (simplejump_p): Likewise.
2077 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2079 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2081 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2082 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2084 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2085 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2086 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2087 * rs6000.md: Name various internal patterns.
2089 2000-05-25 Jan Hubicka <jh@suse.cz>
2091 * jump.c (invert_exp_1): Remove first argument, use pc_set
2092 to get the expression.
2093 (redirect_exp): Make static; redirect only the pc_set expression,
2094 remove first argument.
2095 (invert_exp): Remove first argument, make static.
2096 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2097 any_onlyjump at most places where we originaly did condjump_p
2099 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2100 (delete_barrier_succesors): Use pc_set.
2101 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2102 calls of invert_exp and redirect_exp.
2103 * rtl.h (redirect_exp, invert_exp): Remove.
2104 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2106 2000-05-25 Richard Henderson <rth@cygnus.com>
2108 * stmt.c (expand_end_bindings): Fix thinko last change.
2110 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2111 Andrew Haley <aph@cygnus.com>
2113 * except.c (func_eh_entry): Add emitted field.
2114 (new_eh_region_entry): Set emitted field to 0;
2115 (output_exception_table_entry): Only emit previously un-emitted data,
2116 and send it to the eh_data section.
2117 (output_exception_table): Break out common parts. Output
2118 exception table for entire compilation unit to eh_data section.
2119 (output_exception_table_data): Common parts of output_exception_table.
2120 Send output to eh_data section.
2121 (output_function_exception_table): Output exception table data for
2122 a single function to eh_data section.
2123 (free_exception_table): New external to free the table.
2124 * except.h (free_exception_table): Add prototype.
2125 (output_function_exception_table): Add prototype.
2126 * final.c (final_end_function): Output function exception table
2127 for IA64_UNWIND_INFO.
2128 (final_scan_insn): Emit any unwind directives for an insn.
2130 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2132 * frame.c: Remove all DWARF 2 specific code.
2133 * config/ia64/frame-ia64.c: New file.
2134 (gthread_stuff): Make all gthread available with
2136 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2137 (__register_frame_info, __register_frame): Move to common area of file.
2138 (__register_frame_info_table, __register_frame_table): Move to common i
2140 (__deregister_frame_info, __deregister_frame): Move to common area.
2141 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2142 (read_uleb128): New version for ia64.
2143 (get_unwind_record): Read the next IA-64 unwind record.
2144 (read_R_record): Read a region header record.
2145 (process_a_b_reg_code): X record helper.
2146 (read_X_record): Read an X format record.
2147 (read_B_record): Read a B format record.
2148 (P3_record_types): List of record types matching the P3 format.
2149 (P7_record_types): List of record types matching the P7 format.
2150 (P8_record_types): List of record types matching the P8 format.
2151 (read_P_record): Read a P format record.
2152 (init_ia64_reg_loc): Set default fields for a register.
2153 (init_ia64_unwind_frame): Set defaults for all register records.
2154 (execute_one_ia64_descriptor): Execute one descriptor record.
2155 (rse_address_add): Calculate the position of a local reg in memory.
2156 (normalize_reg_loc): Turn a location descriptor into a memory address.
2157 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2158 within a specified PC offset range.
2159 (get_real_reg_value): Given a register location, retrieve its value.
2160 (set_real_reg_value): Change the value of a register location.
2161 (copy_reg_value): Copy reg values, if needed.
2162 (copy_saved_reg_state): Copy all registers that need to be copied.
2163 (process_state_between): Normalize all frame register records that
2164 fall within the specified PC range.
2165 (frame_translate): Take a processed frame description, and turn
2166 everything into addresses.
2167 (build_ia64_frame_state ): Find and create frame state record for a PC.
2168 (get_personality): Get the personality routine for a given frame.
2169 (get_except_table): Get the exception table for a given frame.
2170 (record_name): Unwind record names for debugging.
2171 (print_record): Print and unwind record.
2172 (print_all_records): Print an entire unwind image.
2173 (__ia64_backtrace): Print a backtrace.
2174 (ia64_backtrace_helper): New function.
2175 (__register_frame_info_aux): New function.
2176 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2178 * frame.h (enum unw_record_type): New unwind record types.
2179 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2180 (struct unw_r_record, unwind_record): New unwind record structs.
2181 (struct unwind_info_ptr): Unwind information layout.
2182 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
2184 (struct ia64_reg_loc): Register location description.
2185 (struct ia64_frame_state): Location of all registers in a frame.
2186 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2187 * libgcc2.c (__ia64_personality_v1): Personality routine.
2188 (__calc_caller_bsp): Calculate the bsp register for the caller's
2190 (ia64_throw_helper): Figure out who to return to and set up the
2192 (__throw): Throw routine.
2194 * output.h (assemble_eh_align, assemble_eh_label): New functions
2195 to generate EH info where we want it.
2196 (assemble_eh_integer): New function.
2197 * toplev.c (compile_file): Output module level exception table for
2199 (main): Set exceptions_via_longjump and flag_new_exceptions based
2200 on IA64_UNWIND_INFO too.
2202 * varasm.c (assemble_eh_label): Generate a label via
2203 ASM_OUTPUT_EH_LABEL if it has been specified.
2204 (assemble_eh_align): Generate an alignment directive via
2205 ASM_OUTPUT_EH_ALIGN if it has been specified.
2206 (assemble_eh_label): Generate an integer value via
2207 ASM_OUTPUT_EH_type if they have been specified.
2208 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2209 (ia64_init_builtins): Add __builtin_ia64_bsp
2210 and __builtin_ia64_flushrs.
2211 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2212 IA64_BUILTIN_FLUSHRS.
2213 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2214 IA64_BUILTIN_FLUSHRS.
2216 * config/ia64/ia64.md (flushrs): New insn to flush the register
2217 stack. Add to unspec list.
2219 * config/ia64/crtbegin.asm (frame_object): Change size.
2220 (__do_frame_setup_aux): New function.
2221 * config/ia64/crtend.asm: call __do_frame_setup_aux.
2222 * config/ia64/t-ia64 (LIB2ADDEH): Add.
2223 * Makefile.in (LIB2ADDEH): Add.
2224 (LIB2ADD): Use LIB2ADDEH.
2226 2000-05-24 Richard Henderson <rth@cygnus.com>
2228 * recog.c (offsettable_address_p): If mode size is zero, assume
2231 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
2233 * configure.in: Check for -Wno-long-long option support and improve
2234 handling of warning CFLAGS for stages 1 and 2.
2235 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
2236 * configure: Regenerate.
2238 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
2240 * gcc.texi: Remove contributor list. Instead include contrib.texi.
2241 * contrib.texi: New file.
2243 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2245 * loop.c (basic_induction_var): Avoid double recording of an increment.
2247 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2249 * Back out this patch:
2250 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
2251 * loop.h (struct induction): Add multi_insn_incr.
2252 * loop.c (basic_induction_var): New multi_insn_incr argument.
2253 Set it if we search back through previous insns for the biv.
2254 (record_biv): New multi_insn_incr argument; fill in struct induction.
2255 (strength_reduce): Discard an iv with multiple bivs, any of
2256 which require multiple insns to increment.
2258 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
2260 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2262 * rtl.h (loc_mentioned_in_p): Declare.
2263 * reload.c (loc_mentioned_in_p): Moved from here...
2264 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
2265 Fix loop increment for 'E' handling.
2266 * loop.c (strength_reduce): When doing biv->giv conversion,
2267 take multi-insn biv increments into account.
2269 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
2271 * stmt.c (expand_end_bindings): Look through NOTEs to find a
2274 2000-05-24 Mark Mitchell <mark@codesourcery.com>
2276 * calls.c (expand_call): Handle cleanups in tail-recursion
2277 arguments analagously to cleanups in sibling calls.
2279 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2281 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
2282 All callers changed.
2284 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2286 * expr.c (expand_assignment, store_expr, expand_expr,
2287 expand_expr_unaligned): Set in_check_memory_usage while emitting
2288 chkr_check_addr libcall.
2290 2000-05-24 Nick Clifton <nickc@cygnus.com>
2292 * fold-const.c (extract_muldiv): When constructing a
2293 multiplier/divisor, do not expect const_binop to correctly
2294 determine if overflow has occured, so check explicitly.
2296 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2298 * c-decl.c (build_enumerator): Don't modify the value's type,
2301 2000-05-24 Andreas Jaeger <aj@suse.de>
2303 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2305 2000-05-24 Eric Christopher <echristo@cygnus.com>
2307 * configure.in: Redefine inhibit_libc conditions.
2308 * libgcc2.c: Remove inhibit_libc conditional define.
2309 * configure: Regenerate.
2311 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
2313 * configure.in: For --enable-languages=LIST, check for empty LIST.
2314 * configure: Regenerate.
2316 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
2318 * pdp11.h (STACK_BOUNDARY): Define.
2320 2000-05-24 Jakub Jelinek <jakub@redhat.com>
2322 * ifcvt.c (if_convert): Update life info globally.
2324 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2326 * emit-rtl.c (unshare_all_decls): New function.
2327 (unshare_all_rtl): Call it.
2329 2000-05-23 Nick Clifton <nickc@cygnus.com>
2331 * configure.in: Treat 'strongarm' as if it were 'arm' when
2332 determining cpu type.
2334 * configure: Regenerate.
2336 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
2337 where constant strings are involved.
2339 * config/arm/arm.h (arm_condition_codes): Change type to 'const
2342 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
2343 cases where constant strings are involved.
2345 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
2347 * config/sh/sh.c (gen_far_branch, split_branches): Update
2348 to reflect new prototypes for redirect_jump and invert_jump.
2349 (sh_insn_length_adjustment): Get rid of const warnings.
2351 2000-05-23 Kazu Hirata <kazu@hxi.com>
2353 * invoke.texi (Options for Debugging Your Program or GCC): Update
2354 the names of dump files.
2356 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
2358 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
2359 * configure: Regenerated.
2361 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2363 * simplify-rtx.c (SIGN_EXTEND): New macro.
2364 (simplify_unary_operation, simplify_binary_operation,
2365 simplify_relational_operation): Use SIGN_EXTEND. Make low
2366 halves of (low, high) pairs unsigned if they weren't already.
2367 (simplify_ternary_operation): Cast INTVAL to unsigned before
2368 comparing to a MODE_BITSIZE.
2370 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2372 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
2373 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
2375 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
2376 gcc_AC_NEED_DECLARATIONS.
2378 * dwarfout.c: Don't prototype time().
2380 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
2382 * system.h: Likewise.
2384 * toplev.c: Likewise.
2386 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2388 * c-decl.c (pushdecl): Invert sense of test for non-global types.
2390 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2392 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2394 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
2396 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2398 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2400 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2401 (alpha_start_function): Never write ..ng label if VMS or NT.
2402 (alpha_align_insns): Remove GP_IN_USE arg.
2403 Alignment now unsigned.
2404 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2405 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2406 and two define_insn's.
2408 2000-05-22 Richard Henderson <rth@cygnus.com>
2410 * combine.c (simplify_comparison): Use trunc_int_for_mode.
2412 2000-05-22 Richard Henderson <rth@cygnus.com>
2414 * stor-layout.c (place_field): Change rli->size to rli->offset.
2416 2000-05-22 Richard Henderson <rth@cygnus.com>
2418 * function.c (thread_prologue_and_epilogue_insns): Make sure
2419 existing line number notes appear after the prologue.
2421 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2423 * config/alpha/alpha.c (alpha_fnname): New static variable.
2424 (print_operand, case '~'): New case.
2425 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2426 (alpha_start_function): Set alpha_fnname.
2427 Write "ng" label if no ldgp; don't write ldgp insn.
2428 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2429 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
2431 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
2433 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2436 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
2438 * varasm.c (eh_frame_section): Revert change to argument list.
2440 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2442 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2443 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
2445 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2446 dangling "else" that causes "break" to be conditional.
2447 Also remove unneeded code at start.
2449 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
2451 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2452 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2453 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2455 2000-05-22 Jakub Jelinek <jakub@redhat.com>
2457 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2460 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2462 * alias.c (record_component_aliases): New function.
2463 * tree.h: Clean up some declarations and comments.
2464 (record_component_aliases): New declaration.
2465 * tree.c (get_alias_set): If type and has alias set, use it.
2467 2000-05-22 Richard Henderson <rth@cygnus.com>
2469 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
2470 IF_THEN_ELSE to a setcc form.
2471 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
2473 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2475 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
2476 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
2478 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2480 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2483 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2485 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
2486 * config/mn10300/mn10300.c (print_operand): Likewise.
2488 * final.c (split_double): Right shift of negative values is not
2491 * ifcvt.c (if_convert): Scan and kill dead code.
2493 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2495 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
2497 * diagnostic.c: Eliminate implicit int.
2498 * except.c, gcc.c: Add static prototypes.
2499 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
2500 * gensupport.c (process_rtx): Use XVEC to initialize vector
2503 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
2504 debug_reg_names instead of static reg_names. If not, define
2506 * regclass.c: Don't define global reg_names unless
2507 DEBUG_REGISTER_NAMES is defined.
2509 * reload1.c (order_regs_for_reload): Remove unused variable.
2510 * varasm.c: Include output.h after defaults.h. Define
2511 eh_frame_section as function of no args, not of unspecified args.
2513 * gcc.c: Constify argbuf; arguments to store_arg,
2514 process_command, main; elements of struct command and struct
2515 switchstr; local variables in execute, process_command, main.
2517 2000-05-20 Bruce Korb <bkorb@gnu.org>
2519 * fixinc/inclhack.def: many applications of c_fix=format + tests
2520 * fixinc/check.diff: regenerated
2521 * fixinc/fixincl.x: regenerated
2523 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2525 * alias.c: Clarify some comments.
2526 (record_base_value): REGNO is unsigned.
2527 * rtl.h (record_base_value): Likewise.
2529 * alias.c (aliases_everything_p): Don't special-case QImode here.
2530 * c-common.c (c_get_alias_set): Do it here.
2531 Handle BIT_FIELD_REF by getting alias info for arg.
2534 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2536 * mklibgcc.in: Restore rule to create ${dir}.
2538 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
2540 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
2541 GCC_FOR_TARGET used by MULTILIBS.
2542 * mklibgcc.in: Make sure each .o file depends on the
2543 directory it will be in.
2544 Make the multilib directory depends libgcc.
2546 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
2548 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
2550 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
2552 * fold-const.c (make_range): Handle degenerated intervals.
2553 Fixes c-torture/execute/991221-1.c
2555 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2557 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
2558 * reload.c (find_equiv_reg): Likewise.
2559 * alias.c (init_alias_analysis): Likewise.
2560 Only call prologue_epilogue_contains on insns.
2561 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
2562 * bb-reorder.c (hard-reg-set.h): Include earlier.
2563 * haifa-sched.c (hard-reg-set.h): Likewise.
2564 * ifcvt.c (hard-reg-set.h): Likewise.
2565 * local-alloc.c (hard-reg-set.h): Likewise.
2566 * loop.c (hard-reg-set.h): Likewise.
2567 * predict.c (hard-reg-set.h): Likewise.
2568 * regrename.c (hard-reg-set.h): Likewise.
2569 * flow.c (hard-reg-set.h): Likewise.
2570 (reg_set_to_hard_reg_set): New function.
2571 * bitmap.c (regs.h, basic-block.h): No longer include.
2572 (bitmap.h): Now include.
2573 * conflict.c (hard-reg-set.h): Include.
2574 * profile.c (hard-reg-set.h): Likewise.
2575 * print-rtl.c (hard-reg-set.h): Likewise.
2576 * sbitmap.c (hard-reg-set.h): Likewise.
2577 * toplev.c (hard-reg-set.h): Likewise.
2578 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
2579 * hard-reg-set.h (reg_names): Now constant.
2580 * regs.h (reg_names): Likewise.
2581 * regclass.c (reg_names): Likewise.
2582 * loop.h (basic-block.h): No longer include.
2583 (bitmap.h): Now include.
2584 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
2585 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
2586 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
2588 2000-05-19 Jan Hubicka <jh@suse.cz>
2589 Richard Henderson <rth@cygnus.com>
2591 * basic-block.h (struct edge_def): New field "count".
2592 (struct basic_block_def): Likewise.
2593 * flow.c (entry_exit_blocks): Add count fileds.
2594 (split_edge): Keep count information up-to-date.
2595 (dump_edge_info, dump_flow_info): Dump count fields.
2597 * final.c (count_instrumented_edges): Rename to edge from arc.
2598 (end_final): Update users.
2599 * profile.c: Include expr.h, basic-block.h.
2600 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
2601 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
2602 (ignore_next_note, return_label_execution_count): Kill.
2603 (bbg_file_name, da_file_name): Kill.
2604 (edge_info, bb_info): New structures.
2605 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
2606 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
2607 (total_num_edges_instrumented): Likewise.
2608 (init_arc, expand_spanning_tree): Kill.
2609 (fill_spanning_tree, tablejump_entry_p): Kill.
2610 (instrument_edges): Rewrite from instrument_arcs to use
2611 commit_edge_insertions infrastructure.
2612 (compute_branch_probabilities): Remove arguments; rewrite for
2613 CFG infrastructure; use rtl_dump_file directly.
2614 (branch_prob, find_spanning_tree): Likewise.
2615 (union_groups, find_group): New.
2616 (init_branch_prob): Make bbg_file_name and da_file_name local.
2617 (end_branch_prob): Use rtl_dump_file directly.
2618 (init_edge_profiler): Rename to edge from arc.
2619 (output_arc_profiler): Kill.
2620 (gen_edge_profiler): New.
2621 (output_func_start_profiler): Turn off profiling. Make the
2622 constructor static when we can.
2623 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
2625 * toplev.c (DFI_flow): Remove.
2626 (DFI_cfg, DFI_life): New.
2627 (dump_file): Update accordingly.
2628 (compile_file): Call end_branch_prob if profile_arc_flag too.
2629 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
2630 profiling after the CFG is built. Move flow1 life analysis to
2631 DFI_life. Always estimate remaining probabilities.
2633 2000-05-19 Richard Henderson <rth@cygnus.com>
2635 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
2637 * flow.c (make_edges): The sibling call edge to exit is abnormal.
2639 2000-05-19 Richard Henderson <rth@cygnus.com>
2641 * jump.c (redirect_jump): Add delete_unused argument. Don't
2642 remove labels and code following when LABEL_NUSES goes to zero.
2643 (invert_jump): Likewise.
2644 (jump_optimize_1): Fix redirect/invert arguments.
2645 (do_cross_jump, thread_jumps): Likewise.
2646 * flow.c (split_edge): Likewise.
2647 * reorg.c (optimize_skip): Likewise.
2648 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
2649 * profile.c (instrument_arcs): Likewise.
2650 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
2651 * rtl.h: Update prototypes.
2653 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
2655 * ssa.c (convert_from_ssa): Tell life_analysis we need death
2657 (make_regs_equivalent_over_bad_edges): Only look at abnormal
2660 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
2662 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
2663 past l1 when deleting whitespace and markers.
2665 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
2666 * cpplib.c (do_unassert): Put the list to compare against on
2669 2000-05-19 Bruce Korb <bkorb@gnu.org>
2671 * fixinc/README: cleaned up old documentation
2672 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
2673 * fixinc/check.tpl: compute the list of needed directories
2674 emit "#if defined(name)" because of conflict
2675 omit machine name differences from output differences
2676 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
2677 (machine_name): change test text to use `sed' markers
2678 * fixinc/fixincl.x: regen
2680 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2682 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
2685 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2687 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
2688 it to match the current practice.
2690 2000-05-18 Mark Mitchell <mark@codesourcery.com>
2692 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
2694 2000-05-18 Richard Henderson <rth@cygnus.com>
2696 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
2697 * rtl.h (insn_dependant_p): Declare it.
2698 * loop.c (strength_reduce): Use it.
2700 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
2702 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
2703 16-bit and 64-bit clean-up.
2705 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
2707 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
2708 * configure: Rebuilt.
2710 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2712 * genopinit.c: Use $ for escape sequences in optab patterns.
2713 Remove backslashes from optab patterns. Change $A, $B, $C to
2714 expand to (int) whatever instead of just whatever; remove
2715 explicit (int) from all optab patterns.
2717 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
2718 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
2719 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
2720 genrecog.c: Remove private copies of xmalloc, xrealloc, and
2723 2000-05-18 Richard Henderson <rth@cygnus.com>
2725 * jump.c (jump_optimize_1): Base minimum insn count during
2726 find_cross_jump on BRANCH_COST.
2728 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2730 * print-rtl.c (print_rtx): Only print note line number as string
2731 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
2732 * final.c (final_scan_insn): Do nothing for note line number 0.
2734 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2736 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
2737 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
2738 NOTE_INSN_DELETED_LABEL.
2740 2000-05-18 Nick Clifton <nickc@cygnus.com>
2742 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
2743 uninitialised data in .rodata not .bss, and do not interpret an
2744 error in the initialisation value as meaning that the variable
2745 should be placed in the .bss section.
2747 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
2749 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
2750 not `$ac_cv_prog_cc_cc_c_o'.
2751 * configure: Regenerated.
2753 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2754 Richard Henderson <rth@cygnus.com>
2756 * c-common.h (enum c_tree_index): Add g77 type entries.
2757 (g77_integer_type_node, g77_uinteger_type_node): New.
2758 (g77_longint_type_node, g77_ulongint_type_node): New.
2759 * c-decl.c (init_decl_processing): Initialize them.
2761 2000-05-18 Richard Henderson <rth@cygnus.com>
2763 * config/h8300/h8300.md (subs patterns): Use %G to negate.
2765 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
2766 (small_power_of_two): Likewise; use exact_log2.
2767 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
2768 (output_adds_subs): Remove.
2769 (two_insn_adds_subs_operand): New.
2770 (split_adds_subs): New.
2771 * config/h8300/h8300-protos.h: Update.
2772 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
2773 (CONST_OK_FOR_L): Match strict adds operands.
2774 (CONST_OK_FOR_N): Match struct subs operands.
2775 * config/h8300/h8300.md (adds_subs insns): Remove.
2776 (addhi patterns): Output adds/subs directly.
2777 (addsi_h8300h): Likewise.
2778 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
2780 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2782 * cppexp.c (parse_assertion): New.
2783 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
2784 (_cpp_parse_expr): Remove case '#'. Don't set
2785 parsing_if_directive.
2786 * cpphash.c (collect_objlike_expansion,
2787 collect_funlike_expansion, collect_params,
2788 _cpp_create_definition): The list no longer has a trailing
2790 * cpphash.h (enum node_type): Add T_ASSERTION.
2791 (struct hashnode): Remove aschain, add pred.
2792 (struct predicate): New.
2795 * cpplex.c (expand_token_space): Handle both offset and
2797 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
2798 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
2799 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
2800 _cpp_equiv_toklists): New.
2801 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
2802 stop at any single-character token, not just newline.
2803 (_cpp_lex_token): Remove special cases for #define and #if.
2804 (cpp_get_token): Expect # as a separate token type. Remove
2806 (_cpp_get_directive_token): Remove DIRECTIVE case.
2807 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
2809 * cpplib.c (_cpp_check_directive): Set dirno and
2810 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
2811 (_cpp_handle_directive): Run # <number> through the same logic
2812 as normal directives.
2813 (do_define): Don't set parsing_define_directive. Use
2814 _cpp_scan_until. The list does not have a VSPACE at the end.
2815 (do_if): Save, clear, and restore only_seen_white around
2817 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
2818 (do_assert, do_unassert): Rewrite.
2820 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
2821 (LIST_OFFSET): New flag.
2822 (struct cpp_toklist): Replace dir_handler and dir_flags with
2824 (struct cpp_reader): Remove parsing_if_directive and
2825 parsing_define_directive.
2827 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2829 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
2830 following the cabs decl which terminate on the following line.
2831 Add the corresponding test_text case.
2833 2000-05-18 Neil Booth <NeilB@earthling.net>
2835 * cppinit.c (cpp_reader_init): Initialise col_adjust and
2836 default tab stop size.
2837 (no_num, OPT_ftabstop): New.
2838 (handle_option): Handle "ftabstop=" command-line option.
2839 (print_help): Document it.
2840 * cpplex.c (COLUMN): Remove.
2841 (handle_newline): Reset col_adjust.
2842 (skip_whitespace): Update col_adjust as tabs encountered.
2843 (_cpp_lex_line): Update to use col_adjust. Call
2844 skip_whitespace for all whitespace.
2845 * cpplib.h (struct cpp_options): New member tabstop.
2846 (struct cpp_reader): New member col_adjust.
2847 (CPP_BUF_COL): Update.
2848 (CPP_BUF_COLUMN): New.
2849 * cpp.texi: Document "-ftabstop=" command line option.
2851 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
2853 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
2855 * configure: Rebuilt.
2857 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
2859 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
2861 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
2862 HOST_BITS_PER_WIDE_INT is >= 64.
2864 2000-05-17 Richard Henderson <rth@cygnus.com>
2866 * jump.c (jump_optimize_1): Remove inactive but real insns
2867 in jump-to-next-insn optimization.
2869 2000-05-17 Richard Henderson <rth@cygnus.com>
2871 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
2872 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
2873 Don't call recompute_reg_usage if no_new_pseudos is true.
2874 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
2875 Return true if we did work; update global life information.
2876 * basic-block.h (optimize_mode_switching): Update decl.
2878 2000-05-17 Neil Booth <neilb@earthling.net>
2880 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
2882 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
2884 * cpplib.c: New feature, #pragma system_header.
2885 * cpp.texi: Document special treatment of system headers, and
2886 the various mechanisms to get a header that special treatment.
2888 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * system.h (offsetof): Define at the very end, to ensure we prefer
2891 the platform's definition if available.
2893 2000-05-16 Bruce Korb <bkorb@gnu.org>
2895 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
2896 * fixinc/server.c: likewise
2897 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
2898 + #ifdef debugging code + use #def constant for
2900 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
2901 on C++ math namespace
2903 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2905 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
2906 Don't check the return value of sprintf. Use asprintf to avoid
2909 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
2911 * flags.h (warn_unused_function, warn_unused_label,
2912 warn_unused_parameter, warn_unused_variable, warn_unused_value):
2913 Replace ``warn_unused''.
2914 (set_Wunused): Add declaration.
2915 * toplev.c (set_Wunused): New function.
2916 (warn_unused_function, warn_unused_label, warn_unused_parameter,
2917 warn_unused_variable, warn_unused_value): New variables.
2918 (W_options): Add -Wunused-function, -Wunused-function,
2919 -Wunused-label, -Wunused-parameter, -Wunused-variable and
2920 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
2922 * toplev.c (decode_W_option): Update -Wunused flags by calling
2924 * c-decl.c (c_decode_option): Ditto for -Wall.
2926 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2927 warn_about_unused_variables): Replace warn_unused with more
2928 explicit warn_unused_value et.al.
2929 * function.c (expand_function_end): Ditto.
2930 * c-typeck.c (internal_build_compound_expr,
2931 internal_build_compound_expr): Ditto.
2932 * c-decl.c (poplevel, pop_label_level): Ditto.
2933 * toplev.c (check_global_declarations): Replace warn_unused with
2934 check for either warn_unused_function or warn_unused_variable.
2936 * gcc.1, invoke.texi (Warning Options): Document
2937 -Wunused-function, -Wunused-function, -Wunused-label,
2938 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2940 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2942 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2943 $(srcdir), not in the current directory.
2945 2000-05-16 Richard Henderson <rth@cygnus.com>
2947 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2948 assembler supports it.
2949 (.fini, .init): Use a gp-relative indirect call.
2950 (__do_global_dtors_aux): Preserve the gp; rebundle.
2951 (__do_frame_setup): Likewise.
2952 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2953 (.init): Use a gp-relative indirect call.
2954 (__do_global_ctors_aux): Preserve the gp.
2956 2000-05-16 Richard Henderson <rth@cygnus.com>
2958 * flow.c (commit_one_edge_insertion): Be prepared for a return
2959 insn to be inserted on the edge with a normal jump.
2960 * jump.c (jump_optimize_1): Don't look to create return isns.
2962 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2963 * jump.c (jump_optimize_1): Likewise.
2964 (returnjump_p): Verify the argument is a JUMP_INSN.
2965 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2967 2000-05-16 Nick Clifton <nickc@cygnus.com>
2969 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2970 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2971 (large_insn_p): Ditto.
2972 (m32r_is_insn): New function: Return true if the insn contains
2973 an executable instruction.
2974 (m32r_adjust_insn): Use m32r_is_insn.
2975 (m32r_sched_reorder): Use m32r_is_insn.
2976 (m32r_sched_variable_issue): Use m32r_is_insn.
2978 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2980 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2983 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2985 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2986 according to given options.
2988 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2990 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2991 if X has VOIDmode either.
2992 (LIMIT_RELOAD_CLASS): Similarly.
2994 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2995 not "general_operand" to match the processor's capabilities.
2997 2000-05-16 Bruce Korb <bkorb@gnu.org>
2999 * fixinc/README: corrected return address
3000 * fixinc/check.diff: regenerate, now that test works
3001 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3002 (char_macro_def_fix,char_macro_use_fix): corrected and
3003 rewrote to use regex to parse the text
3004 * fixinc/inclhack.def: more testing
3005 * fixinc/fixincl.x: regenerated
3007 * fixinc/inclhack.def: added several "test_text" attributes
3008 changed several fixes to use `c_fix = format'
3009 re-alphabetized the fixes
3011 * fixinc/check.diff: regenerate
3012 * fixinc/fixincl.x: regenerate
3013 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3017 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3019 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3021 2000-05-15 Richard Henderson <rth@cygnus.com>
3023 * toplev.c (rest_of_compilation): Run full jump pass before
3024 find_basic_blocks of flow2.
3026 2000-05-15 Richard Henderson <rth@cygnus.com>
3028 * jump.c: Fix typos and clarify commentary from last change.
3029 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3030 (safe_to_remove_jump_p): Remove.
3031 (condjump_label): Use pc_set.
3033 2000-05-15 Richard Henderson <rth@cygnus.com>
3035 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3036 that get in the way after reload.
3037 (cond_exec_process_if_block): Skip a label heading THEN block.
3039 2000-05-15 Richard Henderson <rth@cygnus.com>
3041 * varasm.c (output_constant_pool): Abort instead of converting
3042 (improperly) deleted labels to zero.
3044 2000-05-16 Neil Booth <NeilB@earthling.net>
3046 * cpplex.c (parse_string2): Update comment.
3047 (cpp_lex_line): No special assertion treatment for '('.
3048 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3049 * cpplib.h (SYNTAX_ASSERT): Remove.
3051 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3053 * jump.c (condjump_p): Mark as depreached.
3054 (any_condump_p): New.
3055 (any_uncondump_p): New.
3057 (safe_to_remove_jump_p): New.
3058 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3059 safe_to_remove_jump_p): Declare.
3061 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3063 * calls.c: Re-install both patches reverted by last patch.
3064 (struct arg_data): New field tail_call_reg.
3065 (initialize_argument_information): Initialize tail_call_reg
3066 (load_register_parameters): New argument flags, use
3067 tail_call_reg when emiting tail call sequence.
3068 (expand_call): Update call of load_register_parameters;
3069 copy unadjusted_args_size to adjusted_args_size.
3071 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3073 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3074 and bct_p parameters to flags.
3075 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3076 * rtl.h (loop_optimize): Update prototype.
3077 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3079 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3081 * calls.c (expand_call): Move expand_start_target_temps call after
3084 2000-05-15 Neil Booth <NeilB@earthling.net>
3086 * cpphash.c (trad_stringify, warn_trad_stringify,
3087 collect_params): Make some pointers pointers to const.
3088 * cpplex.c (auto_expand_name_space) Guaranteed to always
3089 expand by at least one character.
3090 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3091 (struct token_spelling): Use const U_CHAR * rather than PTR.
3092 (expand_name_space): Fix up token pointers if name space
3093 is moved when expanding.
3094 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3095 parse_string2, save_comment, spell_token, cpp_output_list):
3096 Update so the routines handle tokens with a direct pointer to
3097 their text, rather than an offset into the token's list's namebuf.
3098 (_cpp_lex_line): Rearrange for clarity.
3100 * cpplib.c (_cpp_check_directive): Similarly.
3101 (do_define): Make SYM a pointer to const.
3102 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3103 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3104 (TOK_OFFSET): Delete.
3107 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3109 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3112 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3114 (logical_u_operand): Delete.
3115 (non_logical_cint_operand): Rewrite to take MODE into account.
3116 (non_logical_u_cint_operand): Delete.
3117 (boolean_operator): New function.
3118 (print_operand): Add new %q operand.
3119 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3120 remove logical_u_operand and non_logical_u_cint_operand,
3121 update logical_operand and non_logical_cint_operand.
3122 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3123 logical operations to use %q.
3125 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3126 (movdi): Make similar to movsi.
3127 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3128 is no such thing as a DImode CONST_DOUBLE.
3129 * config/rs6000/rs6000.c (output_toc): Likewise.
3131 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3132 codes when old mnemonics are in use. Print register names
3133 for cc registers when requested.
3135 * optabs.c (expand_float): Don't allow mode widening that causes
3138 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3139 flags to their current names -maix64 and -maix32.
3141 2000-05-14 Bruce Korb <bkorb@gnu.org>
3143 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3144 and/or after current text of file
3145 * fixinc/fixlib.c(must_malloc):
3146 * fixinc/fixlib.h(must_malloc): + reformatting
3147 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3148 with usages of ``c_fix = wrap;''
3149 Add several tests and use the ``c_fix = format'' fixer more.
3150 * fixinc/fixincl.x: regen
3151 * fixinc/check.diff: regen
3152 * fixinc/check.tpl: emit the associated header with the missing
3155 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3157 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3158 variables $src and $dst.
3160 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
3162 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3163 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3164 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3165 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
3167 (set_message_prefixing_rule): Declare.
3169 * diagnostic.c: (current_prefixing_rule): New variable.
3170 (set_message_prefixing_rule): Define.
3171 (output_set_prefix): Adjust buffer->emitted_prefix_p.
3172 (init_output_buffer): Adjust Initialization.
3173 (output_emit_prefix): Rewrite. Take prefixing rules into account.
3175 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
3177 * ifcvt.c (if_convert): Do not free NULL.
3179 2000-05-12 Nick Clifton <nickc@cygnus.com>
3181 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
3182 to move a double word value.
3183 (di_operand): New function: Return true if the operand is suitbale
3184 for a double word move operation.
3185 (nonimmediate_di_operand): New function: Return true if the
3186 operand is a DImode register or MEM.
3188 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3189 nonimmediate_di_operand.
3191 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3192 nonimmediate_di_operand.
3194 * config/fr30/fr30.md (movdi): New pattern. Required because
3195 other patterns generate DImode results.
3196 (movdi_insn): New pattern.
3198 2000-05-12 Richard Henderson <rth@cygnus.com>
3200 * config/alpha/alpha.c (struct shadow_summary): Define
3201 bitfields as type unsigned int.
3203 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
3205 * config/avr/t-avr: Added definition of FLOAT while generates
3208 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3209 peepholes for tst+jump = sbrs/sbrc optimization.
3211 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
3213 * expr.c (emit_push_insn): Do not adjust stack pointer when
3216 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
3218 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3219 * system.h (offsetof): ... to here.
3221 2000-05-12 Richard Henderson <rth@cygnus.com>
3223 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
3224 * final.c (final_end_function): Use app_disable. Rearrange note
3225 handling into a switch. Emit deleted labels.
3226 (output_asm_label): Generate label strings for deleted labels.
3227 * flow.c (tail_recursion_label_list): New.
3228 (find_basic_blocks_1): Set label_value_list directly. Collect list
3229 of tail recursion labels from call_placeholders. Don't add deleted
3230 labels to the label value list.
3231 (cleanup_cfg): Use free_EXPR_LIST_list.
3232 (flow_delete_insn_chain): Turn non-removable labels into notes.
3233 (flow_delete_block): Don't disable deleting the block because of
3234 a non-removable label.
3235 (tail_recursion_label_p): New.
3236 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
3238 (merge_blocks_move_successor_nojumps): Likewise. Also move a
3240 (merge_blocks): Disable a merge because of tail recursion labels.
3241 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
3242 Use a more accurate measure of not merging the join block.
3243 (find_if_block): Don't disable conversion because of a label.
3244 (find_if_case_1, find_if_case_2): Likewise.
3245 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
3246 element when copying.
3247 (squeeze_notes): Also leave EH notes.
3248 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
3250 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
3252 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
3253 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
3254 referring to a deleted label. Convert tail handling to a switch.
3255 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
3256 for NOTE_INSN_DELETED_LABEL.
3257 (NOTE): Fix commentary.
3258 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
3259 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
3260 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
3261 (LABEL_NUSES, LABEL_REFS): Likewise.
3262 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
3264 2000-05-12 Bruce Korb <bkorb@gnu.org>
3266 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
3267 * fixinc/check.diff: updated
3268 * fixinc/inclhack.def: corrected & added some test_text-s
3269 * fixinc/genfixes: removed unneeded options to autogen invocation
3270 * fixinc/fixincl.tpl: Specified the output file
3271 * fixinc/fixfixes.c: visual appearance
3272 * fixinc/fixincl.x: regenerate
3274 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
3276 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
3277 CTRL_defn_fix): Delete.
3278 (fix_char_macro_defines, fix_char_macro_uses): Rename to
3279 char_macro_def_fix and char_macro_use_fix, respectively. Put
3280 them into the FIXUP_TABLE. Get the string to search for from
3283 (format_write): New function.
3284 (format_fix): Use it.
3286 (FIX_PROC_HEAD): Constify text parameter.
3287 (machine_name_fix): Constify all char *s.
3288 * fixtests.c (skip_quote): Remove double static.
3290 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
3291 ctrl_use_quotes): Update for new scheme.
3292 * fixincl.x: Regenerate.
3294 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
3296 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
3298 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
3299 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3301 2000-05-11 Robert Lipe <robertlipe@usa.net>
3303 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
3304 * fixincl.x: Regenerate.
3306 2000-05-11 Richard Henderson <rth@cygnus.com>
3308 * calls.c: Revert both 05-09 patches.
3310 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
3312 * config/mn10300/mn10300.c (print_operand): Print FP constants in
3314 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
3317 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
3318 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
3320 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
3322 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
3324 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3326 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
3328 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
3330 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
3331 * config/avr/avr.c (jump_over_one_insn_p): New function.
3332 * config/avr/avr.md: New peepholes added. Output test and
3333 conditional jump to "sbrc" or "sbrs" command.
3335 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
3337 * cppmain.c (main): Use IS_DIR_SEPARATOR.
3339 2000-05-11 Jakub Jelinek <jakub@redhat.com>
3341 * except.c (find_exception_handler_labels_1): New function.
3342 (find_exception_handler_labels): Split into two functions, dive
3343 into CALL_PLACEHOLDERs when looking for exception handler labels.
3345 2000-05-11 Stan Cox <scox@cygnus.com>
3347 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
3348 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
3349 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
3351 2000-05-11 Bruce Korb <bkorb@gnu.org>
3353 * fixinc/fixfixes.c (double_slash_fix): obsolete
3354 (else_endif_label_fix): obsolete
3355 (format_fix): new, unused as yet
3357 * fixinc/fixlib.h: added fix description struct for use by format_fix
3358 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
3359 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
3360 modules. Removed the vestiges of the script version.
3361 Added support for "make check".
3362 * fixinc/check.diff: base diff file (needs work!!)
3363 * fixinc/check.tpl: quiet the fixup output
3364 * fixinc/fixtests.c (main): obsolete
3365 * fixinc/fixincl.sh: don't bother copying fixincl to ..
3366 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
3368 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
3370 * toplev.c (rest_of_compilation): Remove dead code after
3373 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3375 * cpphash.c (collect_funlike_expansion): Make "# is not
3376 followed by a macro argument name" a pedwarn, not an error.
3377 Preserve the # in the output. Suppress the warning if lang_asm.
3379 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
3381 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
3382 * configure: Rebuilt.
3384 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
3386 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
3388 2000-05-10 Kazu Hirata <kazu@hxi.com>
3390 * combine.c (try_combine): Fix a typo.
3392 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
3394 * config/ia64/ia64.md (insv): Add comment.
3396 2000-05-10 Richard Henderson <rth@cygnus.com>
3398 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3399 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
3400 dependancies on FPBIT and DPBIT.
3402 2000-05-10 Nick Clifton <nickc@redhat.com>
3404 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3405 when optimising for size.
3406 (mark_used_regs:) Ditto.
3407 (try_pre_increment_1): Ditto.
3409 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
3411 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3412 Make error message friendlier.
3414 * cpphash.h (struct hashnode): Use struct hack for name
3416 * cpphash.c (struct hashdummy): New.
3417 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3418 (make_HASHNODE): No need to set ->name pointer. Correct
3420 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
3422 2000-05-10 Richard Henderson <rth@cygnus.com>
3424 * flow.c (find_basic_blocks_1): Remove any spare bb_note
3427 2000-05-10 Bruce Korb <bkorb@gnu.org>
3429 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
3431 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
3433 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3434 after we enter .debug.
3436 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
3438 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3439 abstract instance of a nested inline function.
3441 * stor-layout.c (finish_record_layout): finalize_type_size
3442 before laying out the pending_statics.
3444 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
3446 * cpplex.c (spell_token): New function.
3447 (spell_string, spell_comment, spell_name): fold into
3450 (E, H): Remove macros.
3451 (save_comment): Save comment opening characters too.
3452 (_cpp_lex_file): Update to use spell_token. Tidy up comment
3454 * cpplib.h (I, S): Add macros.
3455 (E, H): Remove macros.
3456 (TTYPE_TABLE): Update entries for new speller.
3457 (SYNTAX_ASSERT): Remove.
3459 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
3461 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3462 when removing escaped newlines. Reverse sense of test for
3465 2000-05-09 Richard Henderson <rth@cygnus.com>
3467 * flow.c (find_basic_blocks_1): Do not delete the first
3468 bb_note we run across.
3469 (create_basic_block): Use reorder_insns to move an existing
3470 bb_note to the correct place.
3472 2000-05-09 Richard Henderson <rth@cygnus.com>
3474 * calls.c (expand_call): Increment currently_expanding_call
3475 before calling optimize_tail_recursion.
3477 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3479 * reload1.c (reload_combine): Fix errors in last change.
3481 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
3483 * gcc.c (used_arg): Skip over a semicolon at the end of the
3484 split-up loop; don't break out of it.
3486 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
3487 (tree.o): Depend on output.h.
3489 * c-decl.c (pending_invalid_xref_file,
3490 current_function_prototype_file): Constify.
3491 (pushdecl): Constify a local char *.
3492 (define_label): Constify filename parameter.
3493 * c-lex.c (init_parse): Constify parameter and return value.
3494 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
3495 * c-tree.h: Update prototypes.
3496 * c-parse.in: Constify filename member of %union, and if_stmt_file.
3497 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
3498 objc/objc-parse.c: Regenerate.
3500 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
3501 * dwarfout.h: Update prototypes.
3502 * expr.c (expand_expr): Constify a local char *.
3503 * flags.h: Constify main_input_filename.
3504 * function.c (expand_function_end): Constify filename parameter.
3505 * genrecog.c (make_insn_sequence): Use a character array for
3507 (main): Remove unused variables.
3508 * input.h: Constify input_filename, main_input_filename, and
3509 file_stack.name. Update prototypes.
3510 * output.h: Declare first_global_object_name and
3511 weak_global_object_name here, as const char *.
3512 * stmt.c (expand_asm_operands): Constify filename parameter.
3513 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
3514 Constify filename parameter.
3515 (input_filename, main_input_filename): Constify.
3516 * toplev.h: Update prototypes.
3517 * tree.c: Include output.h. Don't declare
3518 first_global_object_name or weak_global_object_name. Clean up string
3519 bashing in get_file_function_name_long.
3520 * tree.h (struct tree_decl): Constify filename member.
3521 (input_filename): Constify.
3523 * varasm.c (first_global_object_name, weak_global_object_name):
3525 (assemble_start_function, assemble_variable): Clean up string bashing.
3527 * gcc.c: Constify all spec-related strings initialized,
3528 transitively, from string constants. Constify all strings
3529 and string variables related to multilibs.
3530 (set_spec, read_specs): Cast argument to free to PTR.
3531 (used_arg): Do not modify multilib_matches. Use strncmp plus
3532 length comparison to compare multilib switches.
3533 * genmultilib: Constify everything declared in multilib.h.
3535 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
3537 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
3540 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
3542 * config/avr/avr-protos.h (extra_constraint): change a type of
3543 second argument from char to int to avoid warnings.
3544 (asm_output_byte): Likewise.
3546 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
3547 (initial_elimination_offset): Handle elimination from
3548 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
3549 (legitimate_address_p): Use MAX_LD_OFFSET.
3550 (legitimize_address): Likewise.
3551 (out_movqi_r_mr): Likewise.
3552 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
3553 (out_movsi_r_mr): Use MAX_LD_OFFSET.
3554 (out_movsi_mr_r): Likewise.
3555 (out_movqi_mr_r): Likewise.
3556 (out_movhi_mr_r): Likewise.
3557 (notice_update_cc): Correct CC for the ashrqi3 with the shift
3558 count as CONST_INT != 6.
3559 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
3560 shift count is a CONSTANT_P, but not a CONST_INT.
3561 (ashlhi3_out): Coding style modifications.
3562 (ashlsi3_out): Likewise.
3563 (ashrhi3_out): Likewise.
3564 (ashrsi3_out): Likewise.
3565 (lshrhi3_out): Likewise.
3566 (lshrsi3_out): Likewise.
3567 (ashrqi3_out): Generate shift for any known constant count without
3568 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
3569 but not a CONST_INT.
3570 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
3571 shift count is a CONSTANT_P, but not a CONST_INT.
3572 (extra_constraint): change a type of
3573 second argument from char to int to avoid warnings.
3574 (asm_output_byte): Likewise.
3575 (asm_file_end): Output size generated commands count as a hex
3578 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
3580 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
3582 (ashlqi3): Values of "length" attribute changed. Shift count
3583 uses constraints 'n' instead of 'i'.
3584 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
3585 shifts without clobber register.
3586 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
3587 (call_insn): Correct test for which_alternative == 1 (was 0).
3588 (call_value_insn): Likewise.
3590 * config/avr/t-avr: Remove definition of FLOAT while generates
3593 2000-05-09 Bruce Korb <bkorb@gnu.org>
3595 * fixinc/check.tpl: Template for checking fixes
3596 * fixinc/inclhack.def: Added 'test_text' for many fixes
3597 disable hpux8_bogus_inlines on SCO
3598 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
3600 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3602 * calls.c (expand_call): Reorganize somewhat in order
3603 to avoid unnecesary recalculation inside loop and make
3604 tail call failure code cleaner.
3606 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3608 * alias.c (nonlocal_reference_p): Minor reformatting.
3609 * reload.c (find_equiv_reg): Simplify logic for
3610 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
3611 some some reformatting.
3612 * reload1.c (reload_combine): Don't assume everything in
3613 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
3615 2000-05-08 Richard Henderson <rth@cygnus.com>
3617 * final.c (current_insn_predicate): New.
3618 (final_scan_insn): Set it.
3619 * output.h (current_insn_predicate): Declare.
3621 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
3622 Attach it to call insns.
3623 (cond_exec_process_if_block): Track probability for true and
3625 (dead_or_predicable): Likewise.
3627 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
3628 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
3629 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
3630 (estimate_probability, expected_value_to_br_prob): Use them.
3632 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
3633 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
3634 (ia64_expand_prediction): New.
3635 (emit_insn_group_barriers): Don't look at notes. Emit barriers
3636 as needed after calls.
3637 (ia64_epilogue_uses): Mark b0 used.
3638 * config/ia64/ia64.md (beq_true, beq_false): Remove.
3639 (bne_true, bne_false): Remove.
3640 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
3641 (br_true, br_false): New. Use predicate_operator and
3642 ia64_expand_prediction.
3643 (return_true, return_false): Likewise.
3644 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
3645 (call_internal1, call_value_internal): Likewise.
3646 (call_value_internal1, call_multiple_values_internal1): Likewise.
3648 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
3650 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
3652 2000-05-08 Richard Henderson <rth@cygnus.com>
3654 * rtlanal.c (may_trap_p): Consider old-style and volatile
3657 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
3659 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
3661 2000-05-08 Richard Henderson <rth@cygnus.com>
3663 * config/ia64/ia64.h (predicate_operator): Declare.
3665 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
3668 * gensupport.c (process_rtx): Copy and post-process each member
3669 of the define_insn rtvec individually.
3671 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
3673 * cpplex.c (spell_token): New function.
3674 (TOKEN_LEN): Add 1 for whitespace.
3675 (_cpp_lex_file): Update to use spell_token.
3676 * cpplib.h (E): Remove.
3677 (TTYPE_TABLE): Update CPP_VSPACE entry.
3679 2000-05-08 Richard Henderson <rth@cygnus.com>
3681 * flow.c (init_propagate_block_info): Watch out for conditional
3682 branch to next instruction, and thus one outgoing edge.
3684 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
3685 for global register variables; don't special case __[CD]TOR_LIST__;
3686 mind ggc_p for string allocation.
3688 2000-05-08 Nick Clifton <nickc@cygnus.com>
3690 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
3692 2000-05-08 Bruce Korb <bkorb@gnu.org>
3694 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
3695 i?86-*-msdosdjgpp* no longer uses fixincludes
3696 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
3697 * fixinc/inclhack.sh: deleted
3698 * fixinc/hackshell.tpl: deleted
3699 * fixinc/inclhack.tpl: deleted
3700 * fixinc/Makefile.in: Remove dependencies on above
3701 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
3703 2000-05-08 Andreas Jaeger <aj@suse.de>
3705 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
3708 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
3710 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
3713 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
3715 * cpplex.c: Move new lexer definitions and prototypes
3716 to top. Conditional include these and the code if
3717 NEW_LEXER is defined. Rename functions whose names
3718 clash if this code included.
3720 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
3722 * rtl.def (COND_EXEC): Clarify.
3724 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
3725 same fashion as zero_extendsidi2.
3727 2000-05-06 Richard Henderson <rth@cygnus.com>
3729 * config/ia64/ia64.c (predicate_operator): New.
3730 (ia64_print_operand): Handle 'J'.
3731 (rtx_needs_barrier): Handle COND_EXEC.
3732 * config/ia64/ia64.h (BRANCH_COST): Define.
3733 (PREDICATE_CODES): Update.
3734 * config/ia64/ia64.md: Docuement used unspec values.
3735 (attr predicable): New.
3736 (movxf, movxf_internal): New.
3737 (extendsfdf2): Don't comment out nop.
3738 (floatdidf2): Remove.
3739 (truncxfsf2, truncxfdf2, floatdixf2): New.
3740 (abssi2, absdi2): Put the neg in the "true" slot.
3741 (conditional branch instructions): Mark not predicable.
3742 (cmov*_internal): Use predicate_operator. Split to cond_exec.
3743 (abs*_internal): Likewise.
3744 (alloc, set_bsp): Mark not predicable.
3745 (barrier, insn_group_barrier, flush_cache): Likewise.
3746 (define_cond_exec): New.
3748 2000-05-06 Richard Henderson <rth@cygnus.com>
3750 * c-decl.c: Include "tm_p.h".
3752 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
3753 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
3754 (ia64_expand_op_and_fetch): Declare.
3755 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
3756 (setjmp_operand): Constify variables for XSTR.
3757 (ia64_encode_section_info): Likewise.
3758 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
3760 (ia64_asm_output_external): Constify name.
3761 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
3762 (process_for_unwind_directive): Provide switch default.
3763 (ia64_expand_compare_and_swap): Remove unused variables.
3764 (ia64_expand_builtin): Likewise.
3765 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
3768 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
3769 (symbolic_operand, function_operand, setjmp_operand): Likewise.
3770 (shift_count_operand, shift_32bit_count_operand): Likewise.
3771 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
3772 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
3773 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
3774 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
3775 (ia64_expand_builtin): Likewise.
3776 (call_multiple_values_operation): Make dest_regno unsigned.
3778 2000-05-06 Richard Henderson <rth@cygnus.com>
3780 * rtl.def (DEFINE_COND_EXEC): New.
3781 * md.texi: Document it.
3783 * gensupport.c (input_file): Remove.
3784 (struct queue_elem): Add lineno.
3785 (rtx_ready_queue): Remove.
3787 (predicable_default): New.
3788 (predicable_true, predicable_false): New.
3789 (define_attr_queue, define_attr_tail): New.
3790 (define_insn_queue, define_insn_tail): New.
3791 (define_cond_exec_queue, define_cond_exec_tail): New.
3792 (other_queue, other_tail): New.
3793 (queue_pattern): New.
3794 (process_rtx): Add patterns to the appropriate queues.
3795 (is_predicable, identify_predicable_attribute): New.
3796 (n_alternatives, collect_insn_data): New.
3797 (alter_predicate_for_insn, alter_test_for_insn): New.
3798 (shift_output_template, alter_output_for_insn): New.
3799 (process_one_cond_exec, process_define_cond_exec): New.
3800 (init_md_reader): Read the entire file. Process define_cond_exec.
3801 (read_md_rtx): Return elements from the queues.
3803 2000-05-06 Richard Henderson <rth@cygnus.com>
3805 * flow.c (mark_set_1): Don't update conditional life info
3806 if the register is not_dead.
3808 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3810 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
3811 (mostlyclean): Also delete fixincl, fixinc.sh, and
3812 specs.ready, and make clean in the fixinc subdir.
3814 2000-05-06 Richard Henderson <rth@cygnus.com>
3816 * Makefile.in (gensupport.o): Compile for the host.
3817 (host-prefix gensuuprt.o): Remove.
3818 (genflags.o): Depend on gensupport.h and OBSTACK_H.
3819 (genattrtab.o): Likewise.
3820 (gencodes.o): Depend on gensupport.h.
3821 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
3822 (genpeep.o, genattr.o, genoutput.o): Likewise.
3824 * gensupport.c (obstack, rtl_obstack): New.
3825 (init_md_reader): Initialize rtl_obstack.
3826 * gensupport.h (rtl_obstack): Declare.
3827 (message_with_line): Declare.
3829 * genattr.c: Remove all traces of obstack manipulation.
3830 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3831 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3833 * genattrtab.c (obstack, rtl_obstack): Remove.
3834 (main): Don't init rtl_obstack.
3835 * genflags.c: Likewise.
3837 * genrecog.c (message_with_line): Move ...
3838 * gensupport.c: ... here.
3840 2000-05-06 Richard Henderson <rth@cygnus.com>
3842 * c-typeck.c (build_c_cast): Remove dead code.
3844 2000-05-06 Richard Henderson <rth@cygnus.com>
3846 * flow.c (split_edge): Don't allocate global_live_at_start for
3847 the new block unless the old blocks had them as well.
3849 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
3851 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
3852 test_bb if a or b uses x.
3854 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3856 * cpphash.h: Remove conditional #define of __extension__.
3857 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
3858 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
3859 (ENABLE_RTL_CHECKING only).
3860 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
3861 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
3862 (ENABLE_TREE_CHECKING only).
3863 * varray.h: Add __extension__ to VARRAY_CHECK macro
3864 (ENABLE_CHECKING only).
3866 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3868 Use new tail-calling mechanism on ARM.
3869 * arm.md (sibcall, sibcall_value): New expands.
3870 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
3871 (tailcalling peepholes): Delete.
3872 (push_multi): Simplify.
3873 * arm.c (lr_save_eliminated): Delete definition.
3874 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
3875 (output_return_instruction): Remove checks on lr_save_eliminated.
3876 (output_arm_prologue): Remove old tail-calling code.
3877 (arm_output_epilogue): New parameter, really_return. All callers
3878 changed. Handle tail-calling epilogues.
3879 * arm.h (lr_save_eliminated): Delete declaration.
3880 (frame_pointer_needed): Delete declaration.
3881 * arm-protos.h (arm_output_epilogue): Adjust prototype.
3883 * arm.md (is_thumb): Examine symbol thumb_code, not expression
3885 * arm.c (thumb_code): Define it.
3886 (arm_override_options): Set it.
3887 * arm.h (thumb_code): Declare it.
3889 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3891 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
3893 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3895 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
3896 bogus clobber to insns.
3897 (load_multiple_operation, store_mulitple_operation): Don't check
3899 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
3901 * arm.md (and_scc, ior_scc): Add missing mode.
3903 * arm.md (call_value_symbol): Remove predicate from op2.
3905 * arm.h (SPECIAL_MODE_PREDICATES): Define.
3907 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3909 * expr.c (get_subtarget): New function.
3910 (force_operand, expand_expr, do_store_flag): Use it.
3912 * toplev.c (compile_file): Don't take strlen of NAME if null.
3914 2000-05-06 David Edelsohn <edelsohn@gnu.org>
3916 * xcoffout.c (xcoff_current_include_file,
3917 xcoff_current_function_file, xcoff_lastfile): Constify char *.
3918 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
3920 (xcoffout_declare_function): Make name 'const char *'.
3921 (xcoffout_end_epilogue): Make fname 'const char *'
3922 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
3923 xcoffout_declare_function, xcoffout_source_line): Match above.
3925 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3927 * rs6000.c (print_operand): Fix lossage typo.
3928 (output_cbranch): Remove "cr" decoration for now.
3929 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3931 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3933 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3936 2000-05-05 Bruce Korb <bkorb@gnu.org>
3938 * fixinc/genfixes: Improve the matching for make target names
3940 2000-05-05 Catherine Moore <clm@cygnus.com>
3942 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3943 attribute to the decl.
3944 * c-decl.c (pushdecl): Propagate the USED attribute to the
3947 2000-05-05 Richard Henderson <rth@cygnus.com>
3949 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3950 same way emit_group_load does.
3952 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3954 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3956 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3959 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3961 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3963 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3965 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3966 to support -shared, on platforms with dynamic libraries.
3968 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3970 * system.h (S_ISBLK): Provide fallback definition.
3972 2000-05-05 Geoff Berry <geoffb@bops.com>
3974 * extend.texi (Extended Asm): Document inability to give asm
3975 statements access to condition codes.
3977 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3979 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3980 as arg 2 of UNIQUE_SECTION.
3982 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3984 * predict.c: Remove May 4 change.
3985 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3986 if we have predicted the branch at 50-50 probability.
3988 2000-05-05 Richard Henderson <rth@cygnus.com>
3990 * flow.c (init_propagate_block_info): Fix merge error
3991 in HAVE_conditional_execution code.
3993 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3995 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3996 shift cycle for unknown shift count. Also generates dec + brpl.
3997 (ashlqi3_out): Don't generate dec + brpl which now generates by
3998 `out_shift_with_cnt'.
3999 (ashlhi3_out): Likewise.
4000 (ashlsi3_out): Likewise.
4001 (ashrqi3_out): Likewise.
4002 (ashrhi3_out): Likewise.
4003 (ashrsi3_out): Likewise.
4004 (lshrqi3_out): Likewise.
4005 (lshrhi3_out): Likewise.
4006 (lshrsi3_out): Likewise.
4008 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4010 * gcc.c (free_split_directories): Correct typo in explanation
4011 of make_relative_prefix.
4013 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4015 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4016 comparison codes to branch_comparison_operator.
4018 2000-05-04 Richard Henderson <rth@cygnus.com>
4020 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4022 2000-05-04 Richard Henderson <rth@cygnus.com>
4024 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4025 (DPBIT_FUNCS): Remove _sf_to_usi.
4026 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4028 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4029 between condition and jump.
4031 * libgcc2.c (near eh_context_specific): Comment #endif string.
4032 * longlong.h: Don't use strings with embedded newlines.
4034 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4036 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4037 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4038 (print_operand): Delete %t and %T codes.
4039 (output_cbranch): New function. Support branch prediction.
4040 * config/rs6000/rs6000.md: Use output_cbranch for
4041 conditional branches and returns.
4043 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4045 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4046 * stor-layout.c (place_field): Likewise.
4047 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4048 * expr.c (store_expr): Make align unsigned.
4049 * explow.c (plus_constant_wide): Make low words unsigned.
4050 * expmed.c (choose_multiplier): Likewise.
4051 * fold-const.c (fold): Likewise.
4052 * tree.h (build_int_2): Likewise.
4053 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4054 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4055 (init_emit): Change cast to unsigned char*.
4056 * varasm.c (compare_constant_1): Add cast to char*.
4057 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4058 * reload1.c (reload): Likewise.
4060 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4062 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4064 * predict.c (estimate_probability): If no prediction was found, then
4065 predict the successor that is the next physical block (if such a
4068 2000-05-04 Richard Henderson <rth@cygnus.com>
4070 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4072 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4074 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4076 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4078 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4079 attribute macros from here ...
4080 (CPP_SPEC): to here.
4081 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4082 (CPP_SPEC): Likewise.
4083 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4085 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4086 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4088 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4090 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4092 * diagnostic (vbuild_message_string, build_message_string,
4093 build_location_prefix, output_get_prefix, init_output_buffer,
4094 output_notice, vline_wrapper_message_with_location,
4095 v_message_with_decl, default_print_error_function): De-constify.
4096 (set_real_maximum_length): Prototype.
4098 * diagnostic.h (struct output_buffer, init_output_buffer,
4099 output_get_prefix, output_set_prefix): De-constify.
4101 * function.c (init_function_start): Constify.
4103 * gensupport.c (remove_constraints, process_rtx): Prototype.
4105 * gthr-posix.h: Indent uses of #pragma.
4107 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4110 * predict.c (find_expected_value): Delete prototype.
4111 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4113 * sbitmap.h (debug_sbitmap): Prototype.
4115 * ssa.c (compute_coalesced_reg_partition): Prototype.
4117 * stor-layout.c (debug_rli): Prototype.
4119 * tree.h (round_down): Prototype.
4120 (init_function_start): Constify.
4122 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4124 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4125 (overly conservative). Change extern inline wrappers to
4126 static inline, define them always, use PARAMS properly.
4127 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4128 whitespace warnings for \f and \v at the beginning of a line.
4130 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4132 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4135 2000-05-04 Bruce Korb <bkorb@gnu.org>
4137 * fixincl/inclhack.def: added broken_cabs -
4138 Remove `extern double cabs' declarations from math.h
4139 * fixincl/inclhack.sh: regen
4140 * fixincl/fixincl.x: regen
4141 * fixincl/fixincl.c: Remove BOGOSITY code
4142 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
4144 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4146 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4148 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4149 when calling MEM_COPY_ATTRIBUTES.
4150 * emit-rtl.c (operand_subword, change_address): Likewise.
4151 * explow.c (stabilize): Likewise.
4152 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4153 * integrate.c (copy_rtx_and_substitute): Likewise.
4154 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4155 when calling MEM_COPY_ATTRIBUTES.
4156 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4158 * cse.c (gen_lowpart_if_possible): Likewise.
4159 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4160 * optabs.c (gen_move_insn): Likewise.
4161 * recog.c (validate_replace_rtx_1): Likewise.
4162 * simplify-rtx.c (add_mem_for_addr): Likewise.
4163 * stmt.c (expand_anon_union_decl): Likewise.
4164 * config/arm/arm.md: Likewise.
4165 * config/h8300/h7300.c (fix_bit_operand): Likewise.
4166 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4167 (block_move_no_loop, block_move_sequence): Likewise.
4168 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4169 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4170 Clear MEM_ALIAS_SET.
4171 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4172 MEM_COPY_ATTRIBUTES.
4174 2000-05-03 Robert Lipe <robertlipe@usa.net>
4176 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4177 to suppress libgcc1.
4178 (i[34567]86-*-sco3.2v5*) Likewise.
4179 (i[34567]86-*-sco3.2v4*) Likewise.
4180 (i[34567]86-*-sco) Likewise.
4181 (i[34567]86-*-solaris2) Likewise.
4182 (i[34567]86-*-sysv5*) Likewise.
4183 (i[34567]86-*-sysv4*) Likewise.
4184 (i[34567]86-*-udk*) Likewise.
4185 (i[34567]86-*-sysv*) Likewise.
4187 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4189 * cpphash.h (U): New define, to correct type of string constants.
4190 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4191 routines, to do casts when passing unsigned strings to libc.
4192 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4194 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4195 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4196 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4197 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
4198 second argument an U_CHAR *.
4200 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
4201 length field, clean up initializer.
4202 (ISTABLE): Add __extension__ to designated-
4203 initializers version.
4204 * cpplex.c (CHARTAB): Likewise.
4206 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4207 case so the file won't be empty.
4209 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
4211 * bb-reorder.c (struct reorder_block_def): Member succ removed.
4212 (REORDER_BLOCK_SUCC): Removed.
4213 (enum reorder_skip_type): Removed.
4214 (skip_insns_between_block): Renamed to skip_insns_after_block.
4215 Removed second argument. Removed dead code and cleaned up.
4216 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4217 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4218 second parameter to skip_insns_after_block.
4220 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4222 * tree.c (staticp, case LABEL_DECL): New case.
4224 2000-05-03 Richard Henderson <rth@cygnus.com>
4226 * Makefile.in (start.encap): Do not depend on LIBGCC1.
4228 * mklibgcc1.in: Fix typo last change.
4230 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4232 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4233 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
4234 (GCC_CFLAGS): Use it.
4235 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
4236 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
4237 objc/Make-lang.in: Use it.
4239 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
4241 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
4243 2000-05-03 Richard Henderson <rth@cygnus.com>
4245 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
4246 LIBGCC1 empty with libgcc1.null.
4248 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
4250 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
4253 2000-05-03 Greg McGary <gkm@gnu.org>
4255 * tree.h (tree_common): Add bounded_flag member. Remove
4256 inaccurate comment about number of remaining bits.
4257 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
4258 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
4259 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
4260 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
4261 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
4262 (TYPE_QUAL_BOUNDED): New constant.
4263 (TYPE_QUALS): Handle bounded qualifier.
4264 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
4265 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
4266 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
4267 TYPE_AMBIENT_BOUNDEDNESS): New macros.
4268 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
4269 (tree_type): Add pointer_depth member. Remove
4270 inaccurate comment about number of remaining bits.
4271 (DECL_POINTER_DEPTH): Add macro.
4272 (tree_decl): Add pointer_depth member.
4274 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
4276 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
4277 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
4278 (lshrhi3_out): Likewise.
4279 (ashrsi3_out): bugfix in shift by 8.
4280 (test_hard_reg_class): New function.
4281 * config/avr/avr.md: Bugfix inside conditions in peepholes.
4282 (ashlhi3): removed define_expand of this pattern.
4283 (*ashlhi3_insn): renamed to ashlhi3.
4284 (ashlsi3): removed define_expand of this pattern.
4285 (*ashlsi3_insn): renamed to ashlsi3.
4286 (ashrqi3): removed define_expand of this pattern.
4287 (*ashrqi3_insn): renamed to ashrqi3.
4288 (ashrhi3): removed define_expand of this pattern.
4289 (*ashrhi3_insn): renamed to ashrhi3.
4290 (ashrsi3): removed define_expand of this pattern.
4291 (*ashrsi3_insn): renamed to ashrsi3.
4292 (lshrhi3): removed define_expand of this pattern.
4293 (*lshrhi3_insn): renamed to lshrhi3.
4294 (lshrsi3): removed define_expand of this pattern.
4295 (*lshrsi3_insn): renamed to lshrsi3.
4297 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
4299 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4300 inclusion of "system.h".
4302 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
4304 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
4307 2000-05-03 David Mosberger <davidm@hpl.hp.com>
4309 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
4310 if -mauto-pic is on.
4311 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
4312 -mconstant-gp is in effect and function-descriptors are being used
4313 to make indirect calls.
4314 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
4315 (MASK_AUTO_PIC): Ditto.
4316 (TARGET_CONST_GP): Ditto.
4317 (TARGET_AUTO_PIC): Ditto.
4318 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
4319 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
4320 -mno-pic is in effect.
4321 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
4322 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
4323 -mauto-pic is in effect.
4324 (gprel64_offset): New pattern.
4325 (load_gprel64): Ditto.
4326 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
4327 -mconstant-gp is in effect, no need to preserve gp around direct
4329 (call_value): Ditto.
4330 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
4331 (FUNCTION_PROFILER): Define.
4332 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
4333 @fptr() directive when -mno-pic or -mauto-pic is in effect.
4334 (ASM_OUTPUT_DESTRUCTOR): Ditto.
4336 2000-05-03 Richard Henderson <rth@cygnus.com>
4338 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
4339 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
4340 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
4341 (mklibgcc, libgcc.mk): New targets.
4342 (libgcc.a): Use libgcc.mk.
4343 (stmp-multilib): Likewise.
4344 (stmp-multilib-sub): Remove.
4345 (mostlyclean): Don't delete libgcc2 temp files.
4346 * configure.in (AC_PROG_CC_C_O): Add.
4347 (NO_MINUS_C_MINUS_O): Substitute it.
4348 (all_outputs): Add mklibgcc.
4349 * mklibgcc.in: New file.
4351 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4353 * cppexp.c (op_t): Make an int.
4355 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
4357 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
4359 * gensupport.c (process_rtx): Fix macros used.
4361 2000-05-03 Richard Henderson <rth@cygnus.com>
4363 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
4364 call-clobbered registers of a call.
4366 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4368 * gensupport.c: New file.
4369 * gensupport.h: New file.
4370 * Makefile.in (HOST_RTL): Depend on gensupport.
4371 (gensupport.o) New rule.
4372 * genattr.c: Use gensupport for reading .md files.
4373 * genattrtab.c: Ditto.
4374 * gencodes.c: Ditto.
4375 * genconfig.c: Ditto.
4377 * genextract.c: Ditto.
4378 * genflags.c: Ditto.
4379 * genopinit.c: Ditto.
4380 * genoutput.c: Ditto.
4382 * genrecog.c: Ditto.
4383 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
4384 * md.texi (Insn Splitting): Document define_insn_and_split.
4386 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
4388 * flow.c (verify_flow_info): Added two more sanity checks. The
4389 first checks that the blocks are numbered consecutively. The second
4390 checks that n_basic_blocks is actually equal to the number of
4391 basic blocks in the insn chain.
4393 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4395 * cpplib.h: Add accessor macros for token lists.
4396 * cpplib.c, cpphash.c, cpplex.c: Use them.
4398 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4400 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4401 memory usage if not in a function.
4402 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4403 return address if static.
4405 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
4407 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
4408 whether address may trap.
4410 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
4412 * bb-reorder (chain_reorder_blocks): Changed code to test for
4413 EDGE_FALLTHRU rather than making erroneous assumption that the
4414 first outgoing edge is the fall-through edge.
4416 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
4418 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4419 ABI for varargs, across all MIPS. This is incompatible because the
4420 va_list (__builtin_va_list) structure is different, so a compilation
4421 unit passing a va_list and a compilation unit being passed one, should
4422 both be compiled with the same ABI. (The old structure had two
4423 pointers, now it has three.)
4425 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
4427 * bb-reorder.c (struct reorder_block_def): Remove members end,
4428 block_begin, and block_end.
4429 (REORDER_BLOCK_OLD_END): Delete.
4430 (REORDER_BLOCK_BEGIN): Delete.
4431 (REORDER_BLOCK_END): Delete.
4432 (chain_reorder_blocks): Remove dead code.
4434 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
4436 * bb-reorder.c (remove_scope_notes): Check for both types of scope
4437 notes as the end of a basic block before deleting.
4439 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
4441 * final.c (final_start_function): Fix spelling of "necessary".
4443 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
4445 * toplev.c (debug_ignore_block): Return int.
4446 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
4447 * toplev.h, dwarf2out.h: Adjust.
4448 * emit-rtl.c (remove_unnecessary_notes): Test return value.
4450 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4451 * toplev.c, final.c, rtl.h: Adjust.
4453 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4455 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4456 * configure.in: Look for makeinfo in the unified tree, then
4457 for a system makeinfo which is sufficiently new.
4458 * Makefile.in: If configure says makeinfo is too old, don't
4459 build or install Info documentation.
4461 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4463 * cpphash.c (collect_params): Fix off-by-one error.
4464 (dump_hash_helper): Dump all four macro nodetypes.
4466 2000-05-02 Jakub Jelinek <jakub@redhat.com>
4468 * cpphash.c (trad_stringify): Adjust p after stringification as
4471 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4473 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4474 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
4476 * cppfiles.c (file_cleanup): Delete.
4477 * cpphash.c (macro_cleanup): Delete.
4478 (collect_objlike_expansion, collect_funlike_expansion,
4479 macarg, scan_arguments): Remove CPP_POP case.
4481 * cpplex.c (null_cleanup): Delete.
4482 (cpp_pop_buffer): Do the work that was done in the cleanups
4483 here. Call _cpp_unwind_if_stack from here.
4484 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
4485 cpp_scan_buffer): Run until we see CPP_EOF and the top of
4486 stack is the buffer _below_ the one we stacked.
4487 (cpp_get_token): Always pop an exhausted buffer. Return
4488 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
4489 * cpplib.c (skip_if_group): Don't call cpp_get_token to
4490 increment the line number.
4491 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
4493 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
4494 we see CPP_EOF and the top of stack is the buffer _below_ the
4496 * scan-decls.c: Likewise.
4498 2000-05-02 Andrew Haley <aph@cygnus.com>
4500 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
4501 where this function is called for the second time on a decl that
4502 has had its section info changed in such a way as to move it out
4504 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
4506 2000-05-01 Richard Henderson <rth@cygnus.com>
4508 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
4509 the sequence we're moving, not to merge_bb->head.
4511 2000-05-01 Richard Henderson <rth@cygnus.com>
4513 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
4514 reference to alpha/t-linux.
4515 (alpha*-*-linux-gnu*): Likewise.
4516 * configure: Rebuild.
4518 * calls.c (expand_call): Don't emit reg notes for a sibcall.
4520 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
4523 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
4525 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
4527 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
4530 2000-05-01 Richard Henderson <rth@cygnus.com>
4532 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
4533 emit_conditional_move.
4535 2000-05-01 Jakub Jelinek <jakub@redhat.com>
4537 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
4538 as the dynamic linker.
4540 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
4542 * cppfiles.c (open_include_file): Open file in blocking mode.
4543 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
4544 Only exclude block devices and directories.
4546 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
4547 static. Allocate the hashnode and its string in the same
4549 (del_HASHNODE): Don't free h->name.
4550 (_cpp_lookup): If there is no entry for this string, create
4551 one, of type T_VOID.
4552 (_cpp_lookup_slot): Delete.
4553 * cpphash.h: Update prototypes.
4555 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
4557 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
4558 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
4559 node here, just fill in the value field properly. "Delete"
4560 entries by setting the value field to T_VOID. Check for
4561 hp->type == T_VOID, not hp == NULL.
4563 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
4564 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
4567 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
4569 * config/mn10300/mn10300.c (print_operand_address): Do not add
4572 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
4573 adjusted by less than 256 bytes, use ret regardless of having any
4574 callee-saved register to restore.
4576 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
4578 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
4580 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
4582 * config/i386/djgpp.h (INT_ASM_OP): Define.
4583 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
4584 (ASM_WEAKEN_LABEL): Define.
4585 (MASK_BNU210): Define.
4586 (SUBTARGET_SWITCHES): Define.
4587 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
4588 (MAKE_DECL_ONE_ONLY): Define.
4589 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
4591 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
4593 * i386/cygwin.h (INT_ASM_OP): Define.
4595 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
4597 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
4598 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
4600 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
4602 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
4603 __tmp_reg__ and __zero_reg__ initialization.
4605 2000-04-30 Richard Henderson <rth@cygnus.com>
4607 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
4609 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
4610 referenced bewteen the condition and the jump. Don't delete
4611 anything but the jump.
4613 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
4615 * bb-reorder.c (scope_def): New struct.
4616 (scope_forest_info): New struct.
4617 (struct reorder_block_def): New member "scope".
4618 (REORDER_BLOCK_SCOPE): New macro.
4619 (relate_bbs_with_scopes): New function and prototype.
4620 (make_new_scope): Likewise.
4621 (build_scope_forest): Likewise.
4622 (remove_scope_notes): Likewise.
4623 (insert_intra_1): Likewise.
4624 (insert_intra_bb_scope_notes): Likewise.
4625 (insert_inter_bb_scope_notes): Likewise.
4626 (rebuild_scope_notes): Likewise.
4627 (free_scope_forest_1): Likewise.
4628 (free_scope_forest): Likewise.
4629 (dump_scope_forest): Likewise.
4630 (dump_scope_forest_1): Likewise.
4631 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
4632 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
4634 (reorder_basic_blocks): Added calls to build_scope_scope_forest
4635 and remove_scope_notes before reordering is done. Added calls to
4636 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
4637 after reordering is done.
4639 2000-40-30 Bruce Korb <bkorb@gnu.org>
4641 * fixinc/inclhack.def: Added definitions needed by OSR5,
4642 removed two stale entries (defined away with OLD_CPP).
4643 * fixinc/inclhack.sh: regen
4644 * fixinc/fixincl.x: regen
4646 2000-04-30 Richard Henderson <rth@cygnus.com>
4648 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
4649 from the last insn in the sequence.
4651 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
4653 * cpplex.c (cpp_idcmp): New function.
4654 * cpplib.h: Prototype it.
4655 * scan_decls.c (scan_decls): Use it to inspect token names.
4656 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
4657 the file being run through the preprocessor.
4658 (check_macro_names): Provide length of token to cpp_defined.
4660 * Makefile.in: Remove stale warning message.
4662 * cppfiles.c (redundant_include_p): Provide length of token to
4664 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
4665 values are unsigned int.
4666 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
4667 (_cpp_lookup_slot): Do not calculate the hash, either.
4668 * cpphash.h: Update prototypes.
4669 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
4670 Hashes are unsigned int. Calculate hash here, pass by value
4671 to _cpp_lookup_slot.
4673 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
4675 * simplify-rtx.c (check_value_useless): Delete function.
4676 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
4678 (cselib_invalidate_regno): Likewise.
4679 (cselib_invalidate_mem_1): Likewise.
4680 (references_value_p): Recognize useless values by the fact that they
4682 (discard_useless_values): Likewise.
4683 (cselib_record_set): This may turn a useless value
4686 2000-04-30 Richard Henderson <rth@cygnus.com>
4688 * config/d30v: New port.
4690 * configure.in (d30v-*): Set fp format.
4691 * configure: Rebuild.
4693 2000-04-30 Richard Henderson <rth@cygnus.com>
4695 * ifcvt.c: New file.
4696 * Makefile.in (OBJS): Add it.
4697 (ifcvt.o): New target.
4698 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
4699 and conditional arithmetic.
4700 (find_insert_position): Remove.
4701 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
4702 * toplev.c (DFI_ce, DFI_ce2): New.
4703 (dump_file): Add ce and ce2 dumps.
4704 (rest_of_compilation): Run if_convert a couple o times. Set
4705 cse_not_expected after cse2. Don't set no_new_pseudos until
4706 after sched1 or recompute_reg_usage.
4708 2000-04-30 Richard Henderson <rth@cygnus.com>
4710 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
4711 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
4713 2000-04-30 Richard Henderson <rth@cygnus.com>
4715 * flow.c (struct reg_cond_life_info): New.
4716 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
4717 (init_propagate_block_info): Initialize them.
4718 (free_propagate_block_info): Destruct them.
4719 (mark_set_1): Consider conditional life before killing a register.
4720 (mark_regno_cond_dead): New.
4721 (free_reg_cond_life_info): New.
4722 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
4723 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
4724 (mark_used_reg): Record conditional life.
4726 * haifa-sched.c (schedule_insns): Disable death counting
4727 sanity check for HAVE_conditional_execution.
4729 2000-04-30 Richard Henderson <rth@cygnus.com>
4731 * Makefile.in (TIMEVAR_H): New.
4732 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
4733 (timevar.h): Remove rule.
4735 2000-04-29 Richard Henderson <rth@cygnus.com>
4737 * config/alpha/crtend.asm: Use C comments instead of #.
4738 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
4740 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
4742 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
4744 * cpphash.h (enum node_type: Take out T_MCONST.
4745 (union hashval): Move into struct hashnode.
4746 (struct hashnode): Pack tighter. Remove file, line, col
4748 * cpphash.c: Constify most of the macro-definition structures.
4749 (struct definition): Replace by struct object_defn
4750 and struct funct_defn. Put file, line, column information
4751 here. All users updated to match.
4752 (_cpp_create_definition, _cpp_macroexpand): Remove special
4753 case for #define WORD OTHERWORD.
4754 * cpplib.c (do_undef): Remove T_MCONST case.
4756 * cpphash.h: Move struct reflist, struct definition, and the
4757 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
4758 union hashval. _cpp_free_definition takes a HASHNODE pointer.
4759 * cpphash.c (_cpp_free_definition): Free data pointed to by
4760 MCONST, XCONST, MACRO, and FMACRO nodes properly.
4761 (_cpp_create_definition, del_HASHNODE): Just call
4762 _cpp_free_definition to clear out a hashnode.
4763 * cpplib.c (do_pragma_poison): Likewise.
4765 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4767 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
4768 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
4769 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
4770 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
4771 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
4772 REGNO_AM33_P): Redefine in terms of the new macros.
4773 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
4774 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4775 STRUCT_VALUE): Likewise.
4776 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4777 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
4779 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
4781 * regmove.c (struct record_stack_memrefs_data): New.
4782 (record_stack_memrefs): New function.
4783 (combine_stack_adjustments_for_block): Use it.
4785 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4787 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
4788 use special_function_p to detect alloca.
4790 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
4792 * gcc.texi: Fixes for makeinfo 4.0 --html.
4794 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
4796 * pcp.h: Delete file.
4798 2000-04-28 Kazu Hirata <kazu@hxi.com>
4800 * h8300.c (function_epilogue): Clean up flags when the last insn
4801 in a function is a barrier.
4803 2000-04-28 Chris Demetriou <cgd@sibyte.com>
4805 * configure.in (sparc-hal-solaris2*): protect [] glob from
4807 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
4808 rather than hard-coded constants in target_cpu_default2.
4809 * configure: Regenerate.
4811 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4813 * tree.c (get_callee_fndecl): Extract the initial value from
4816 2000-04-28 Richard Henderson <rth@cygnus.com>
4818 * varasm.c (record_constant_1): Record the CODE_LABEL when
4819 taking the address of a LABEL_REF.
4821 2000-04-28 Richard Henderson <rth@cygnus.com>
4822 Jan Hubicka <jh@suse.cz>
4824 * calls.c (combine_pending_stack_adjustment_and_call): Return the
4825 adjustment; don't do the stack adjust.
4826 (expand_call): Call compute_argument_block_size right before
4827 allocating the block; update comment; don't do alignment sanity
4828 checking for sibling call; use args_size instead of
4829 unadjusted_args_size before args_size is adjusted. Use
4830 combine_pending_stack_adjustment_and_call to compute stack adjust
4831 for must_preallocate case.
4833 * expr.c (push_block): Remove shadow `temp' in inner scope.
4835 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4837 * toplev.c (rest_of_compilation): Call
4838 note_deferral_of_defined_inline_function even if the function
4841 2000-04-28 Scott Bambrough <scottb@netwinder.org>
4843 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
4845 2000-04-28 Richard Henderson <rth@cygnus.com>
4847 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
4849 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4851 * timevar.c (init_timevar): DeANSIfy function definition.
4853 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4855 * Makefile.in (timevar.o): Depend on flags.h.
4856 * timevar.c (unused_stack_instances): New variable.
4857 (timevar_push): Take a timevar_stack_def from
4858 unused_stack_instances if available.
4859 (timevar_pop): Push the popped timevar_stack_def onto
4860 unused_stack_instances.
4861 (TIMEVAR_ENABLE): New macro.
4862 (timevar_def): Make standalone a 1-bit field. Add field used.
4863 (get_time): Rename parameter to now. Return after clearing it if
4865 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
4866 (timevar_pop): Likewise.
4867 (timevar_stop): Likewise.
4868 (timevar_push): Likewise. Mark the timing variable as used.
4869 (timevar_start): Likewise.
4870 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
4871 timevars that were never used.
4873 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4875 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
4876 always TREE_READONLY.
4878 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
4880 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
4881 for call instruction with mode QImode.
4883 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4885 * Makefile.in (OBJS): Add timevar.o.
4886 (toplev.o): Depend on timevar.h.
4887 (ggc-simple.o): Likewise.
4888 (ggc-page.o): Likewise.
4889 (timevar.o): New rule.
4890 (timevar.h): New rule.
4892 * timevar.h: New file.
4893 * timevar.c: Likewise.
4894 * timevar.def: Likewise.
4896 * toplev.h (gc_time, parse_time, varconst_time): Remove.
4897 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
4899 (TIMEVAR): Remove macro.
4900 (gc_time, parse_time, varconst_time, integration_time, jump_time,
4901 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
4902 flow_time, combine_time, regmove_time, sched_time,
4903 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
4904 sched2_time, dbr_sched_time, reorder_blocks_time,
4905 rename_registers_time, shorten_branch_time, stack_reg_time,
4906 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
4908 (compile_file): Don't initialize time variables. Call
4909 init_timevar and start TV_TOTAL timer. Call timevar_print instead
4910 of many calls to print_time.
4911 (rest_of_compilation): Add timing for reload_cse_regs.
4912 (get_run_time): Removed to timevar.c.
4913 (print_time): Likewise.
4914 (get_run_time): Implement using TV_TOTAL time variable.
4915 (print_time): Get total run time from get_run_time.
4916 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
4917 computing elapsed time explicitly.
4918 * ggc-simple.c (ggc_collect): Likewise.
4919 (gc_time): Remove declaration.
4921 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4923 * calls.c (combine_pending_stack_adjustment_and_call): New function.
4924 (expand_call): Use it.
4926 2000-04-27 Jan Hubicka <jh@suse.cz>
4928 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4931 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4933 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4936 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4938 * function.c (epilogue_done): Pass whole insn to record_insns.
4940 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4942 * cse.c (CSE_ADDRESS_COST): Remove.
4943 (find_best_addr): Add new parameter "MODE", use address_cost instead
4945 (address_cost): New.
4946 (fold_rtx): Update call of find_best_addr.
4947 * rtl.h (address_cost): Declare.
4948 * loop.c (general_induction_var): Add new parameter "MODE", use
4949 address_cost instead of ADDRESS_COST
4950 (init_loop): Use address_cost instead of ADDRESS_COST.
4951 (check_insn_for_givs): Update call of general_induction_var.
4952 (find_mem_givs): Likewise.
4953 (consec_sets_giv): Likewise.
4954 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4955 * i386.c (ix86_address_cost): New.
4956 * i386-protos.h (ix86_address_cost): Declare.
4958 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4960 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4963 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4965 * expr.c (store_expr): Use clear_storage instead of direct memset
4968 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4970 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4971 ASHIFT, AND and LABEL_REF.
4973 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4975 * invoke.texi (-foptimize-sibling-calls): Fix.
4977 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4979 * loop.c (load_mems) Don't use hard registers for the hoisting.
4981 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4982 calculation; rename const_equiv array in the preconditioning code
4983 from loop_unroll to loop_unroll_precondition
4985 2000-04-27 Richard Henderson <rth@cygnus.com>
4987 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4989 (propagate_one_insn): Clear it. Don't update reg_live here.
4990 (init_propagate_block_info): Update for pbi member changes.
4991 (free_propagate_block_info): Likewise.
4992 (mark_set_1): Know that zero_extract, sign_extract, and
4993 strict_low_part don't kill their argument. Alter hard subregs.
4994 Update new_set for non-CLOBBER sets. Update reg_live.
4995 (find_auto_inc): Update reg_live, not new_dead.
4996 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4997 to determine if the reg in question was set this insn. Only update
4998 reg info with PROP_REG_INFO.
5000 2000-04-26 Richard Henderson <rth@cygnus.com>
5002 * flow.c (allocate_reg_life_data): Set max_regno here ...
5003 (life_analysis): ... not here.
5005 * flow.c (calculate_global_regs_live): Force stack pointer
5008 2000-04-26 Richard Henderson <rth@cygnus.com>
5010 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5011 commit change group changes.
5012 (invert_exp_1): Similarly.
5013 (redirect_exp, invert_exp): Use them.
5014 (redirect_jump_1): New.
5015 (invert_jump_1): New.
5016 (jump_optimize_1): Remove code subsumed by condexec.c.
5017 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5019 2000-04-26 Richard Henderson <rth@cygnus.com>
5021 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5023 * genconfig.c (main): Set all HAVE_foo to 1.
5025 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5027 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5029 * invoke.texi: Document -fssa flag.
5031 2000-04-26 Richard Henderson <rth@cygnus.com>
5033 * flow.c (count_reg_sets_1): Remove.
5034 (count_reg_sets, count_reg_references): Remove.
5035 (recompute_reg_usage): Implement with update_life_info.
5036 Reallocate life data.
5038 2000-04-26 Richard Henderson <rth@cygnus.com>
5040 * flow.c (update_life_info): Consider blocks null to mean the
5042 (calculate_global_regs_live): Likewise.
5043 (life_analysis): Do that instead of collecting all_blocks.
5045 2000-04-26 Richard Henderson <rth@cygnus.com>
5047 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5048 a still-valid conditional jump.
5050 2000-04-26 Richard Henderson <rth@cygnus.com>
5052 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5054 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5055 * flow.c (calculate_loop_depth): Remove.
5056 * output.h (calculate_loop_depth): Don't declare.
5057 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5058 inline; run estimate_probability at the same time.
5060 2000-04-26 Neil Booth <NeilB@earthling.net>
5062 * cpplib.h: "~=" is not a single pp-token.
5063 * cpplex.c: Correct commentary.
5065 2000-04-26 Richard Henderson <rth@cygnus.com>
5067 * flow.c (mark_set_1): New arguments code and flags; update all
5068 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5069 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5070 loop_depth when optimizing for size. Do new_dead update after
5071 emitting REG_UNUSED notes. Merge mark_set_reg code.
5072 (mark_set_reg): Remove.
5073 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5074 arrange to not emit REG_UNUSED notes.
5076 2000-04-26 Richard Henderson <rth@cygnus.com>
5078 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5079 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5081 2000-04-26 Richard Henderson <rth@cygnus.com>
5083 * flow.c (propagate_one_insn): Break out from propagate_block.
5084 (init_propagate_block_info): Likewise.
5085 (free_propagate_block_info): Likewise.
5086 (propagate_block): Use them. Export.
5087 * basic-block.h: Declare them all.
5089 2000-04-26 Richard Henderson <rth@cygnus.com>
5091 * basic-block.h (life_analysis): Declare here ...
5092 * output.h: ... not here.
5093 * flow.c (life_analysis): Remove nregs parameter; replace
5094 remove_dead_code with flags. Remove ssa dead code check.
5095 Only init alias analysis if we'll use it.
5096 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5097 * ssa.c (convert_to_ssa): Likewise.
5098 (convert_from_ssa): Likewise.
5099 * toplev.c (rest_of_compilation): Likewise.
5101 2000-04-26 Richard Henderson <rth@cygnus.com>
5103 * flow.c (flow_delete_block): Rename from delete_block. Export.
5104 * basic-block.h (flow_delete_block): Declare.
5106 2000-04-26 David S. Miller <davem@redhat.com>
5108 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5109 taking a PATTERN of it.
5111 2000-04-26 <NeilB@earthling.net>
5113 * cpplex.c (spell_other, spell_char): Remove.
5115 (token_spelling, trigraph_map): Use unsigned chars.
5116 (_cpp_lex_line): Tidy up the switch statement.
5117 * cpplib.h: Implement spell_char with spell_string.
5120 2000-04-26 <RodneyBrown@pmsc.com>
5122 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5123 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5125 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5127 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5128 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5129 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5130 dwarf2out_return_save, dwarf2out_return_reg,
5131 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5132 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5133 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5135 * dwarf2out.h (dwarf2out_init): Likewise.
5137 * dwarfout.c (filename_entry, primary_filename, last_filename,
5138 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5140 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5141 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5142 dwarf2out_return_reg): Likewise.
5144 2000-04-26 Andreas Jaeger <aj@suse.de>
5146 * extend.texi (Function Attributes): Fix description of pure
5149 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5151 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5152 before calling rest_of_compilation.
5154 2000-04-26 Andreas Jaeger <aj@suse.de>
5156 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5159 2000-04-25 Richard Henderson <rth@cygnus.com>
5161 * cse.c (cse_insn): Emit barrier after unconditional jump.
5163 * calls.c (expand_call): Disable tail call generation once
5164 rtx_equal_function_value_matters is false.
5166 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5169 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
5171 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5173 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5175 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5176 is the primary DIE for a member function.
5177 (gen_decl_die): Call set_decl_origin_self here.
5178 * dwarfout.c (output_decl): And here.
5179 * integrate.c (output_inline_function): Not here.
5180 Don't clear DECL_INLINE until after calling rest_of_compilation.
5181 (set_decl_origin_self): No longer static.
5182 * tree.h: Add prototype.
5183 * toplev.c (note_deferral_of_defined_inline_function): Only write
5184 out abstract instance for actual inlines.
5186 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
5188 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5189 EXTENDED_REGS only if TARGET_AM33.
5190 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5191 SP_REGS to register allocation and reloading unless absolutely
5193 (movsi3): Remove special-case of adding non-constants to SP.
5195 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5197 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5198 INCLUDES to search and does not provide any of its own. Also it
5199 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5200 parameters. Also it does not call AC_DEFINE.
5201 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
5202 AC_DEFINE and provides for automatic entries for autoheader.
5203 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5205 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5206 so we can pass -I flags and include gansidecl.h/system.h in this
5209 * acconfig.h: Delete all NEED_DECLARATION_* entries.
5211 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5213 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5214 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5215 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5217 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5218 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5219 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5220 for these macros. Clean up spacing and linewraps.
5222 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5224 * calls.c (expand_call): Use get_callee_fndecl.
5226 * print-tree.c (print_node): Print the chain of an _EXPR.
5228 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
5229 Jim Wilson <wilson@cygnus.com>
5230 Andrew Haley <aph@cygnus.com>
5232 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
5233 and gp save/restore problems.
5234 * config/ia64/crtend.asm: Add IA-64 unwind support.
5235 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
5236 in fr_pad_size calculation.
5237 (save_restore_insns): Move PR save area. Correct uses of
5238 RTX_FRAME_RELATED_P.
5239 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
5240 (ia64_expand_epilogue): Add eh_epilogue support.
5241 (ia64_function_prologue): Emit .prologue directive.
5242 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
5243 (ia64_override_options): Set init_machine_status and
5244 mark_machine_status.
5245 (rtx_needs_barrier): Handle bsp reads and writes.
5246 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
5247 New static variables.
5248 (process_set, process_for_unwind_directive): New functions.
5249 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
5250 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
5251 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
5253 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
5254 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
5255 (struct machine_function): Define.
5256 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
5258 2000-04-25 Bruce Korb <bkorb@gnu.org>
5260 * fixinc/Makefile.in: make the removal of old programs more
5262 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
5263 install-bin and install-sh
5265 2000-04-25 Nick Clifton <nickc@cygnus.com>
5267 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
5268 defined, define to return zero.
5269 (function_cannot_inline_p): If a function has any target
5270 specific attributes, then use the macro
5271 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
5272 whether it can be inlined. If it cannot, issue a suitable
5275 * tm.texi: Add a new node 'Inlining' to document the new macro
5276 FUNCTION_ATTRIBUTE_INLINABLE_P.
5278 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
5280 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
5283 2000-04-25 Neil Booth <NeilB@earthling.net>
5285 Restore previous patch, plus the following fixes:
5287 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
5288 flags, not CPP_OPEN_PAREN.
5289 * cpplex.c (expand_token_space, init_token_list,
5290 cpp_free_token_list): Put the dummy token at list->tokens[-1].
5291 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
5293 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5295 * config/i386/freebsd.h (INT_ASM_OP): Define.
5297 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
5299 * loop.c (strength_reduce): Fix typo in the last checkin.
5301 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5303 * stor-layout.c (finalize_record_size): Simplify to use existing
5305 (compute_record_mode): No longer static.
5306 * tree.h (compute_record_mode): New declaration.
5308 2000-04-25 Neil Booth <NeilB@earthling.net>
5310 * Revert my patch below until cause of build failures
5313 2000-04-25 Richard Henderson <rth@cygnus.com>
5315 * combine.c (combine_instructions): Add missing argument
5318 * toplev.c (rest_of_compilation): Delay sibcall optimization
5319 until after emit_eh_context.
5321 2000-04-24 Nick Clifton <nickc@redhat.com>
5323 * combine.c (combine_instructions): Do not try to combine a
5324 sequence of insns when the second insn has been replaced by a
5327 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
5329 * gcc.c (load_specs): New static function.
5330 (read_specs): Use it.
5332 * gcc.c (lookup_compiler): Make multiple passes for case
5333 insensitive filesystems.
5335 2000-04-24 Neil Booth <NeilB@earthling.net>
5337 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
5338 * cpphash.h (_cpp_check_directive): new.
5339 * cpplex.c (handle_newline, cpp_free_token_list,
5340 init_trigraph_map, trigraph_ok, trigraph_replace,
5341 backslash_start, skip_block_comment, skip_line_comment,
5342 skip_whitespace, parse_name, parse_number, parse_string,
5343 copy_comment, _cpp_lex_line, spell_char, spell_string,
5344 spell_comment, spell_name, spell_other, _cpp_lex_file,
5345 _cpp_output_list): new.
5346 (expand_name_space): take length argument.
5347 (init_token_list): add comment list initialisation.
5348 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
5349 instead of HSPACE_BEFORE.
5351 * cpplib.c (_cpp_check_directive): new
5352 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
5353 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
5354 (HSPACE_BEFORE): delete.
5355 (TTYPE_TABLE): rearrange.
5356 (struct cpp_toklist): update.
5358 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5360 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
5361 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
5362 argument form of AC_DEFINE.
5364 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
5365 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
5366 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
5367 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
5368 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
5370 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
5372 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5374 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
5375 deduced.h): Use -isystem, not -I, for including system headers.
5377 2000-04-24 Nick Clifton <nickc@cygnus.com>
5379 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
5380 the source register is the frame pointer or arg pointer.
5381 (addsi3_small_int): Disallow if source register is the frame
5382 pointer or arg pointer.
5384 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5386 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
5387 call to AC_MSG_RESULT.
5389 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5391 * invoke.texi: Correct grammatical errors, document
5392 -fno-gnu-keywords as identical to -fno-asm for C++.
5394 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5396 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5397 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5398 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5399 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5400 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5402 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5403 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5404 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5405 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5408 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
5410 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5411 (pop_alignment): Likewise.
5412 (handle_pragma_token): Likewise.
5414 2000-04-24 Robert Lipe <robertlipe@usa.net>
5416 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5418 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
5420 * combine.c (try_combine): Update reg_nonzero_bits of
5421 newi2pat before newpat.
5423 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
5425 * loop.c (strength_reduce): Simplify test to INSN_P.
5426 (record_giv): Attempt to simplify the add value, use CONSTANT_P
5427 expressions instead of CONST_INT.
5428 (express_from_1): Likewise.
5430 2000-04-24 Mark Mitchell <mark@codesourcery.com>
5432 * regs.h (reg_n_max): Don't declare.
5433 * flow.c (reg_n_max): Don't define.
5434 * regclass.c (renumber): Don't initialize to zero.
5435 (regno_allocated): Likewise.
5436 (reg_n_max): Define.
5437 (allocate_reg_info): Don't initialize unnecessarily.
5439 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
5441 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5442 and blockage_p in the newly allocated attribute.
5444 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
5446 * config/mn10300/mn10300.md (addsi): `inc4' on address
5447 registers does not modify cc, but `inc' on an extended
5450 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
5452 * reload.c (find_equiv_reg): Checks all valueno regs
5453 as a reload_reg_p regs.
5455 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5457 * cpphash.c (collect_objlike_expansion): Add sanity check.
5458 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
5459 the buffer is the empty string, return. Mark __DATE__ and
5460 __TIME__ as XCONST nodes, not MCONST.
5461 (_cpp_macroexpand): Avoid pushing an empty buffer.
5462 (funlike_macroexpand): Don't pop token_buffer here.
5464 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
5466 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
5467 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
5468 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
5469 (REGNO_OK_FOR_BASE_P): Define in terms of them.
5470 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
5471 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
5472 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
5474 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5476 * loop.c (simplify_giv_expr): Be more agressive on simplifying
5479 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5481 * cpphash.h (struct definition): Move file, line, col members...
5482 (struct hashnode): ... here. Also add 'disabled' flag.
5483 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
5484 T_IDENTITY. Remove T_DISABLED.
5487 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
5488 (collect_expansion): Split into collect_objlike_expansion and
5489 collect_funlike_expansion.
5490 (_cpp_macroexpand): Split out scan_arguments, stringify, and
5491 funlike_macroexpand.
5492 (_cpp_compare_defs): Rename compare_defs, make static.
5493 (_cpp_make_hashnode): Initialize hp->disabled.
5494 (macro_cleanup): Adjust for new token types. Clear
5496 (_cpp_create_definition): Move code here to determine what
5497 sort of macro it is, and code to check for redefinitions, from
5498 do_define. Implement a few simple cases without creating a
5500 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
5501 Handle the simple cases.
5502 (push_macro_expansion): Set buf->has_escapes and hp->disabled
5505 * cppinit.c (builtin_array): Change MCONST to XCONST
5507 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
5508 fix check for disabled and function-like macros.
5509 * cpplib.c (do_define): Move most logic to
5510 _cpp_create_definition.
5511 (do_undef): Handle new special token types.
5513 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
5515 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
5516 of CONSTANT_P for mult_val; always use validate_change to update insn.
5518 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
5520 * cpphash.c (trad_stringify, add_pat): New functions.
5521 (collect_expansion): Restore support for -traditional syntax.
5522 Use trad_stringify and add_pat.
5523 (_cpp_macroexpand): Restore support for -traditional semantics.
5524 * cpplex.c (_cpp_scan_line): Don't change space_before if we
5525 get a COMMENT token.
5526 (_cpp_lex_token): Provide COMMENT tokens to caller if
5527 traditional and parsing_define_directive.
5528 (skip_comment): Warn about // comments if -Wtraditional.
5529 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
5531 (do_undef): Don't warn about undefining EMPTY nodes.
5533 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5535 * loop.c (strength_reduce): Fix biv removal code.
5537 2000-04-22 Richard Henderson <rth@cygnus.com>
5539 * predict.c (estimate_probability): Examine both sides of
5540 a branch for no exits. Use 90% not 50% for predict taken.
5541 Reorg for one copy of note generation code.
5543 2000-04-22 Richard Henderson <rth@cygnus.com>
5545 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
5547 2000-04-22 Richard Henderson <rth@cygnus.com>
5549 * diagnostic.c (init_output_buffer): Don't initialize format_args.
5550 (output_clear): Likewise.
5551 (output_printf): Use va_copy.
5552 (vline_wrapper_message_with_location): Likewise.
5553 (v_message_with_decl): Likewise.
5554 (line_wrapper_printf): VA_START infor buffer.format_args directly.
5555 * system.h (va_copy): Provide default implementation.
5557 2000-04-22 Richard Henderson <rth@cygnus.com>
5559 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
5560 the collected condition is not a constant.
5562 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
5564 * diagnostic.h: New file.
5566 * Makefile.in (diagnostic.o): Depends on diagnostic.h
5568 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
5569 various function prototypes.
5570 (diagnostic.h): #include.
5571 (struct output_buffer): Move into diagnostic.h.
5572 (get_output_prefix): Rename to output_get_prefix. Export.
5573 (init_output_buffer): Export. Break out. Ajust intialization.
5574 (output_space_left, output_append): Export.
5575 (output_newline): Rename to output_add_newline. Export.
5576 (output_clear): Nullify additional output_buffer fields.
5577 (output_puts): Rename to output_add_string. Export.
5578 (dump_output): Rename to output_flush_on. Export.
5579 (build_location_prefix): Constify return-type.
5580 (emit_output_prefix): Rename to output_emit_prefix. Export.
5581 (set_real_maximum_length): New function.
5582 (output_set_maximum_length): Ditto
5583 (output_clear): Ditto.
5584 (output_add_character): Ditto.
5585 (output_add_integer): Ditto.
5586 (output_add_space): Ditto.
5587 (output_format): Ditto.
5588 (output_printf): Adjust buffer initialization.
5589 (vline_wrapper_message_with_location): Ditto.
5590 (v_message_with_decl): Ditto. Adjust call to output_puts
5591 and get_output_prefix.
5592 (default_print_error_function): Adjust buffer intialization.
5594 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5596 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
5599 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
5601 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
5604 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5606 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
5607 accurate data about SP moves.
5609 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
5611 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
5612 aliases to AM33 registers.
5614 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5616 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
5617 to all EXTENDED bitmaps.
5619 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
5621 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
5622 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
5623 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
5625 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
5627 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
5628 the operand is not constant.
5630 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
5632 * reload.c (find_equiv_reg): Checks all valueno and regno regs
5633 as a call-clobbered regs.
5635 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5637 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
5639 * rtl.def: Update comment.
5640 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
5641 * integrate.c (expand_inline_function): Likewise.
5642 * profile.c (branch_prob): Likewise.
5643 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
5644 * print-rtl.c (print_rtx): Likewise.
5645 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
5646 (reemit_notes): Likewise; also use enum insn_note.
5648 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
5649 (place_field): Properly compute know and actual alignment.
5651 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
5654 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
5657 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
5659 * cpphash.c (struct arg, struct arglist): Const-ify strings.
5660 (warn_trad_stringify, duplicate_arg_p): New helper functions.
5661 (collect_expansion): Rewrite to scan over a token list.
5662 Remove -traditional support.
5663 (collect_formal_parameters): Rename to collect_params; rewrite
5664 to scan over a token list.
5665 (_cpp_create_definition): Adjust to scan a token list.
5666 (_cpp_macroexpand): Remove -traditional support.
5667 (_cpp_compare_defs): Whitespace is now canonicalized.
5668 (comp_def_part): Delete function.
5670 * cpphash.h: Update prototypes.
5671 * cpplex.c (init_token_list): Don't set lineno if there is no
5673 (pedantic_whitespace): New function.
5674 (_cpp_scan_line): Mark tokens that had hspace before. Don't
5675 consume a newline. Use pedantic_whitespace.
5676 (_cpp_lex_token): Remove support for -traditional macros.
5677 (_cpp_get_define_token): Delete.
5678 (_cpp_get_directive_token): Do the real work here. Use
5679 pedantic_whitespace.
5680 (_cpp_init_input_buffer): Initialize pfile->directbuf.
5682 * cpplib.c (get_macro_name): Delete.
5683 (do_define): Read the entire line into pfile->directbuf, then
5684 feed the token list to _cpp_create_definition.
5685 * cpplib.h (HSPACE_BEFORE): new define.
5686 (struct cpp_reader): Add a toklist member, "directbuf".
5688 * predict.c (estimate_probability): New heuristic: if a jump
5689 branches around a block with no successors, predict it taken.
5690 Disentangle control flow.
5692 2000-04-20 Richard Henderson <rth@cygnus.com>
5694 * loop.c (emit_iv_add_mult): Revert last change.
5696 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5698 * cpplib.h (enum cpp_ttype): Add token types for all
5699 punctuators. Distinguish pp-numbers from valid C numbers.
5700 Give some tokens better names. Initialize from macro.
5701 (struct cpp_name, cpp_token, cpp_toklist): New data
5704 * cpplex.c (bump_column, expand_name_space,
5705 expand_token_space, init_token_list, cpp_output_list,
5706 _cpp_scan_line): New functions.
5707 (output_line_command): Add third argument, new line number.
5708 * cpphash.h: Update prototypes.
5709 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
5712 2000-04-20 Richard Henderson <rth@cygnus.com>
5714 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
5716 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5718 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
5721 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
5723 * loop.c (emit_iv_add_mult): Simplify it's input and emit
5724 REG_EQUAL note explaining the calculated value.
5726 * calls.c (expand_call): Avoid unnecesary precalculation
5727 and outgoing parameters space guarding for sibling calls.
5728 (store_one_arg): Likewise.
5730 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5732 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
5733 (rest_of_compilation): Write sibling dump file and account
5734 for time as jump time.
5735 * invoke.texi: Update documentation on dump flags.
5737 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
5739 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
5741 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
5743 * cpphash.c (special_symbol): Represent an empty macro with
5744 "\r \r " not just "\r ".
5745 (_cpp_macroexpand): Correct condition for the foo ( ) special
5747 (unsafe_chars): Handle EOF as second argument.
5748 (push_macro_expansion): Simplify test for removing escape at
5749 end. Do not trim both escapes if there is no text in between.
5751 2000-04-19 Jim Blandy <jimb@redhat.com>
5753 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
5754 of PTR_SIZE, when appropriate.
5756 2000-04-19 Mark Mitchell <mark@codesourcery.com>
5758 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
5759 (USE_ENUM_BITFIELDS): Fix typo.
5761 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5763 * stor-layout.c (place_field): Set rli->offset_align properly.
5765 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5767 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
5768 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
5769 PARM_BOUNDARY): Remove unnecessary casts.
5771 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5773 * calls.c (precompute_arguments): Remove must_preallocate and
5775 (expand_call): Update call of precompute_arguments.
5777 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
5778 check_insn_for_givs): Break out from ...
5779 (strength_reduce) ... here; use for_every_insn_in_loop to call
5780 check_insn_for_givs.
5781 * loop.h (for_every_insn_in_loop): Declare.
5782 (loop_insn_callback): New type.
5784 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5786 * cpplib.c (do_pragma_poison): Strings in the token buffer are
5789 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
5791 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
5794 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5796 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
5798 * configure.in: Delete --disable-cpplib option and all
5799 references to cpp_main.
5800 * configure: Regenerate.
5801 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
5802 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
5803 cccp.o, cccp, or cppmain. Link cppmain.o straight to
5804 cpp$(exeext). Add --no-headers to makeinfo command line when
5805 generating INSTALL. Install and uninstall cpp.1 manpage, not
5807 * install.texi: Delete all references to cexp.y/cexp.c.
5808 Delete ancient instructions for compiling GCC on 3b1.
5809 * INSTALL: Regenerate.
5811 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
5812 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
5813 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
5815 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
5816 which is no longer tested anywhere.
5818 * cppinit.c (handle_option): Don't run error message through
5821 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5823 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
5824 * cpperror.c (hashtab.h): Now include.
5825 * cppexp.c (hashtab.h): Likewise.
5826 * cpplex.c (hashtab.h): Likewise.
5827 * cppfiles.c (hashtab.h): Likewise.
5828 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
5829 to htab_find_slot_with_hash.
5830 * cpphash.c (hashtab.h): Now include.
5831 (_cpp_lookup_slot): INSERT is now enum insert_option.
5832 * cpphash.h (_cpp_lookup_slot): Likewise.
5833 * cppinit.c (hashtab.h): Include earlier.
5834 (initialize_builtins): Pass enum to htab_find_slot.
5835 * cpplib.c (hashtab.h): Now include.
5836 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
5837 (do_pragma_poison, do_assert): Likewise.
5838 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
5839 htab_find_slot_with_hash.
5840 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
5841 * tree.c (type_hash_add): Likewise.
5842 (build1): Minor cleanup.
5844 * ggc-common.c: Add missing blanks.
5845 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
5846 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
5848 * stmt.c (mark_case_node): New function.
5849 (mark_case_nesting): Call it.
5851 * expmed.c (emit_store_flag): If comparing two-word integer
5852 with zero, can optimize NE, EQ, GE, and LT.
5854 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
5855 * conflict.c: Minor cleanups.
5856 * optabs.c: Add blank line
5857 * simplify-rtx.c: Minor cleanups.
5859 2000-04-18 Stan Cox <scox@cygnus.com>
5861 * gengenrtl.c (genlegend): Fix misspelling.
5863 2000-04-18 Robert Lipe <robertlipe@usa.net>
5865 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
5866 bitfields of the host compiler are not signed quantities.
5867 * config.in: Regenerate.
5868 * configure: Regenerate.
5869 * system.h (USE_ENUM_BITFIELDS): Added.
5870 (ENUM_BITFIELDS): Added.
5871 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
5872 (SHORT_ENUM_BUG): Deleted.
5873 * tree.h (tree_common): Members `code', `mode', `built_in_class',
5875 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
5876 (CODE_FIELD_BUG): Likewise.
5877 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
5879 * config/m68k/x-ccur (X_CFLAGS): Likewise.
5881 2000-04-18 Mark Mitchell <mark@codesourcery.com>
5883 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
5886 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5888 * cppexp.c (lex): Don't assume tokens are NUL terminated.
5889 * cpplib.c (do_include, do_import, do_include_next,
5890 read_line_number, detect_if_not_defined): Likewise.
5891 * cpphash.c (collect_expansion): Likewise.
5892 (special_symbol, _cpp_macroexpand): Check return from
5894 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
5895 macros. Delete all uses.
5897 * gcc.dg/cpp-mi.c: Add two more test cases.
5898 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
5900 2000-04-17 Richard Henderson <rth@cygnus.com>
5902 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
5903 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
5905 2000-04-17 Mark Mitchell <mark@codesourcery.com>
5907 * function.c (expand_function_start): Use hard_function_value to
5908 compute the RTL to use for DECL_RESULT.
5910 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5912 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
5913 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5914 x86_memory_mismatch_stall): New global variables.
5915 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
5916 alloved; fix load penalties for Athlon.
5917 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5918 x86_memory_mismatch_stall): Declare.
5919 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
5920 TARGET_MEMORY_MISMATCH_STALL): New.
5921 * i386.md (athlon scheduling parameters): Fix latencies according to
5922 Athlon Optimization Manual.
5923 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5925 (fsqrt instruction patterns): Set athlon_decode to direct.
5926 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5927 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5928 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5929 and TARGET_PARTIAL_REGISTER_STALL machines.
5930 (pushdf_nointeger): New pattern.
5931 (pushdf_integer): Rename from pushdf.
5932 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5933 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5935 2000-04-17 Richard Henderson <rth@cygnus.com>
5937 * loop.c (canonicalize_condition): Add WANT_REG argument.
5938 Stop the search if we match it.
5939 * expr.h (canonicalize_condition): Update decl.
5940 * predict.c (expected_value_to_br_prob): Use it. Track last
5941 expected value note.
5942 (find_expected_value): Remove.
5944 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5946 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5948 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5949 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5951 * configure.in: Call AC_FUNC_MMAP_FILE.
5952 * configure: Regenerate.
5953 * config.in: Regenerate.
5955 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5956 * fixinc/fixincl.c: Likewise.
5958 2000-04-17 Richard Henderson <rth@cygnus.com>
5960 * builtins.c (expand_builtin_expect): New.
5961 (expand_builtin): Call it.
5962 * builtins.def (BUILT_IN_EXPECT): New.
5963 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5964 * extend.texi: Document it.
5966 * predict.c (expected_value_to_br_prob): New.
5967 (find_expected_value): New.
5968 * basic-block.h (expected_value_to_br_prob): Declare.
5969 * toplev.c (rest_of_compilation): Invoke it.
5971 * rtl.h (NOTE_EXPECTED_VALUE): New.
5972 (NOTE_INSN_EXPECTED_VALUE): New.
5973 * rtl.c (note_insn_name): Update.
5974 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5975 cases; handle NOTE_INSN_EXPECTED_VALUE.
5977 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5979 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5980 leaf sibcall delay slot if flag_pic.
5981 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5983 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5985 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5987 * fixproto: If fix-header fails, exit with an error.
5989 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5991 * cse.c (struct check_depdendence_data): New.
5992 (check_dependence): New function.
5993 (invalidate): Use check_depdenence.
5995 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5997 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5998 UNITS_PER_WORD is unsigned.
6000 * tree.h (struct tree_common): Remove misleading comment.
6002 2000-04-16 Dave Pitts <dpitts@cozx.com>
6004 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6005 message in quotes. Otherwise, IBM's make program treats the '#' as the
6006 start of a comment and ignores the remainder of the line.
6008 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6010 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6011 * cexp.y (initialize_random_junk): Likewise.
6012 * cppfiles.c (find_include_file): Cast alloca return value.
6013 * cppinit.c (initialize_standard_includes): Likewise.
6014 * cpplib.c (cpp_define, cpp_undef): Likewise.
6015 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6016 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6017 * fold-const.c (CHARMASK): New.
6018 (real_hex_to_f): Use it.
6019 * real.c (CHARMASK): New.
6020 (etoasc, asctoeg): Use it.
6021 (asctoeg): EBCDIC lower case characters preceed upper case.
6023 * i370.c (mvs_add_label): Change spacing for coding conventions.
6024 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6025 outputing case vectors.
6026 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6027 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6028 since vector in in the data CSECT.
6029 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6030 * i370.md (Many patterns): Put the length in the XL directives.
6031 (movdi): Put back STM and MVC in definition.
6032 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6033 pattern using the TCA.
6034 * oe.h (CPP_SPEC): Added to allow trigraphs.
6035 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6036 not support the "long long" type.
6038 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6040 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6042 (mips_reg_mode_ok_for_base_p): Likewise.
6043 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6044 (REG_OK_FOR_INDEX_P): Define unconditionally.
6045 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6046 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6047 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6048 that GET_MODE_SIZE is unsigned.
6049 (mips_reg_mode_ok_for_base_p): Define.
6050 (mips_legitimate_address_p): Likewise. Adjust now
6051 that GET_MODE_SIZE is unsigned.
6052 (block_move_loop): Make the number of bytes unsigned.
6053 (expand_block_move): Likewise.
6054 (function_arg): Make the loop counter unsigned to match the
6057 2000-04-16 Richard Henderson <rth@cygnus.com>
6059 * rtl.h (enum insn_note): New enumeration. Subsume
6060 NOTE_INSN_DELETED and friends.
6061 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6062 * rtl.c (note_insn_name): Tweak string order.
6064 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6066 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6069 * cpplex.c (output_line_command): Remove debugging prints.
6070 (cpp_output_tokens): Don't write out a zero-length buffer or
6071 try to see if it has a newline in it.
6072 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6073 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6074 the end of the loop. Use memmove. Don't read past the end of
6075 the buffer. Remove trailing newlines from error messages.
6077 2004-04-16 Neil Booth <NeilB@earthling.net>
6079 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6080 * cpplib.c: Add new syntax flags to directive table, and
6083 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6085 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6088 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6090 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6091 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6093 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6095 * Makefile.in (ggc-page.o): Now includes toplev.h.
6096 * ggc-page.c (toplev.h): Now included.
6097 (gc_time): Remove declaration.
6098 (ggc_collect): TIME now long.
6099 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6101 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6103 * toplev.c: Make *_time variable long to reduce chance of overflow.
6104 (TIMEVAR): Likewise for `otime'.
6105 (print_time): Arg is now long; compute percentage in FP and round.
6106 * toplev.h (print_time): Arg is long.
6108 * tree.c: Minor whitespace changes.
6110 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6111 * configure: Rebuilt.
6112 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6113 (__fixunsxfDI): Renamed from __fixunsxfdi.
6114 (__fixunsdfDI): Renamed from __fixunsdfdi.
6115 (__fixunssfDI): Renamed from __fixunssfdi.
6116 (__floatdisf): Use proper type in REP_BIT macro.
6117 (__fixunsxfSI): Renamed from __fixunsxfsi.
6118 (__fixunsdfSI): Renamed from __fixunsdfsi.
6119 (__fixunssfSI): Renamed from __fixunssfsi.
6120 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6121 Change location of macros and upper-case some names as above.
6122 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6123 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6125 * varasm.c (assemble_variable): Add cast to remove warning.
6126 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6128 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6129 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6130 region number to -1.
6132 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6134 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6135 call unshare_all_rtl.
6137 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6139 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6141 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6142 Use .s1 not .s0 for all FP instructions.
6144 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
6146 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6148 (safe_fwrite, output_line_command): New static functions.
6149 (cpp_expand_to_buffer): Now private to cpplib.
6150 (cpp_scan_buffer): Take a printer.
6152 * cpphash.h: Update prototypes.
6153 * cpplib.h: Update prototypes.
6155 (cpp_buffer): Remove last_nominal_fname.
6156 (cpp_reader): Remove lineno.
6158 * cppmain.c: Use a cpp_printer.
6159 * fix-header.c: No need to inhibit line commands. Call
6160 cpp_start_read with no printer.
6162 * cpperror.c (cpp_notice_from_errno): Provide default name.
6163 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6164 (find_include_file, cpp_read_file): Use make_IHASH.
6165 (file_cleanup): Set control_macro and clear
6166 input_stack_listing_current here.
6167 (_cpp_execute_include): Don't output entering-file marker.
6168 * cpphash.c (special_symbol): Look for the line number in the
6169 buffer, not the reader.
6170 (_cpp_macroexpand): No need to disable line commands.
6171 (_cpp_dump_definition): No need to generate line commands.
6172 (dump_hash_helper): Remove excess newline from output.
6173 * cppinit.c (dump_special_to_buffer): No need to generate line
6175 (cpp_printer_init): New.
6176 (cpp_start_read): Take a printer, and start it up if it's not
6177 NULL. No need to generate line commands.
6178 (cpp_finish): Expect no buffers stacked at all. Take a
6179 printer argument, and flush the output buffer if it's not
6181 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6182 Don't put two hashes at the beginning of an assertion.
6183 (cpp_get_token): Don't increment pfile->lineno or emit line
6184 commands here. Return EOF if there's no buffer when we get
6186 * cpplib.c (do_define, skip_if_group):
6187 No need to disable line commands.
6188 (_cpp_output_line_command): Delete function.
6189 (do_line): Don't emit line commands here, but set things up so
6190 they will be emitted if necessary. Use _cpp_fake_ihash to
6191 make unique nominal_fnames if necessary.
6192 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6193 with 0 for column, not -1.
6194 (_cpp_handle_eof): Don't set the control macro here. Don't
6195 clear input_stack_listing_current here. Don't emit line
6198 2000-04-14 Geoff Keating <geoffk@cygnus.com>
6200 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6201 always, use the default SVR4 start address.
6203 * config/rs6000/linux.h (LINK_SPEC): Don't define.
6204 (LINK_SHLIB_SPEC): Define.
6205 (LINK_START_DEFAULT_SPEC): Define.
6206 (LINK_OS_DEFAULT_SPEC): Define.
6208 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6210 * config/rs6000/eabi.asm (__eabi): Call __init rather than
6211 __do_global_ctors to handle constructors.
6212 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6213 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6214 (STARTFILE_MVME_SPEC): Likewise.
6215 (STARTFILE_SIM_SPEC): Likewise.
6216 (ENDFILE_ADS_SPEC): Use crtend.
6217 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6218 (ENDFILE_MVME_SPEC): Likewise.
6219 (ENDFILE_SIM_SPEC): Likewise.
6220 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6221 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
6222 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
6223 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
6224 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
6225 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
6226 (CRTSTUFF_T_CFLAGS_S): Define.
6227 * config/rs6000/eabi-ctors.c: Delete.
6229 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
6232 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
6236 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
6238 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
6239 plus mask size is smaller or equal to the mode size.
6241 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6243 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6246 * expr.c (reload.h): Now included.
6247 (emit_block_move): Set volatile_ok when checking for movstr.
6248 (emit_move_1): Check for replacements in addresses in multi-word case.
6249 * Makefile.in (expr.o): Now includes reload.h.
6251 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
6252 Never have a LIBCALL end a basic block.
6253 (find_basic_blocks_1): Likewise.
6254 Reorganize CALL_INSN cases.
6256 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
6258 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
6260 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
6261 completers from mov.ret instruction.
6263 2000-04-14 Richard Henderson <rth@cygnus.com>
6265 * fold-const.c (extract_muldiv): Don't distribute and widen
6266 multiply across plus for non-sizetype unsigned types.
6268 2000-04-14 Richard Henderson <rth@cygnus.com>
6270 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
6271 If the original source is dead in the incr insn, it's dead now.
6273 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6275 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
6276 see if DECL_BIT_FIELD needs to still be set.
6278 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
6280 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
6281 print_int_cst_octal with something that's not an INTEGER_CST.
6283 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
6284 and not a SUBREG to a FLOAT rtl.
6286 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
6288 * emit-rtl.c (try_split): Avoid infinite loop if the split
6289 results in a sequence that contains the original insn.
6291 2000-04-13 Andreas Jaeger <aj@suse.de>
6293 * config/mips/mips.c (expand_block_move): Pass alignment
6294 argument to move_by_pieces in bits, not bytes.
6296 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
6297 __pic__ for little endian.
6299 2000-04-13 Andreas Jaeger <aj@suse.de>
6301 * config/i386/i386-protos.h: Add prototype for
6302 uno_comparison_operator.
6304 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6306 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
6307 * calls.c (ECF_PURE): New flag.
6308 (emit_call_1): Handle ECF_PURE calls.
6309 (initialize_argument_information): Unset ECF_PURE flag too.
6310 (precompute_arguments): Precompute for ECF_PURE too.
6311 (expand_call): Handle ECF_PURE calls too.
6312 (emit_library_call_value_1): Rename no_queue argument to fn_type,
6313 accept value of 2 as pure function.
6314 (emit_library_call_value, emit_library_call): Rename no_queue argument
6316 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
6318 * tree.h (DECL_IS_PURE): New macro.
6319 (struct tree_decl): Add pure_flag.
6320 * c-common.c (enum attrs): Add attribute "pure".
6321 (init_attributes): Initialize attribute "pure"
6322 (decl_attributes): Handle attribute "pure".
6323 * extend.texi (Attribute "pure"): Document.
6324 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
6326 (flags_from_decl_or_type): Support attribute "pure".
6328 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
6330 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
6331 the token except for numbers and identifiers.
6333 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
6335 * i386.c (ix86_expand_binary_operator,
6336 ix86_expand_unary_operator): Check no_new_pseudos
6337 instead of reload_in_progress and reload_completed.
6338 (ix86_split_ashldi, ix86_split_ashrdi,
6339 ix86_split_lshrdi): Check no_new_pseudos instead
6340 of reload_completed.
6342 2000-04-12 Jeffrey A Law (law@cygnus.com)
6344 * function.c (purge_addressof): Unshare any shared rtl created by
6345 purge_addressof and its children.
6347 2000-04-12 Mark Mitchell <mark@codesourcery.com>
6349 * function.c (aggregate_value_p): VOID_TYPE nodes are never
6352 2000-04-05 Andreas Jaeger <aj@suse.de>
6354 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
6355 not compiling PIC code, add flags for mabi=64.
6356 (SUBTARGET_CPP_SIZE_SPEC): New.
6357 (SUBTARGET_CPP_SPEC): New.
6358 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
6359 for MIPS/Linux and lots of code needs these defines.
6361 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
6363 * reorg.c (fill_slots_from_thread): Check side_effects_p when
6364 trying the "opposite arithmetic" approach.
6366 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6368 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
6369 (struct sh_args): Add new field force_mem.
6370 (INIT_CUMULATIVE_ARGS): Initialize it.
6371 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
6373 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6375 * calls.c (expand_call): Do not reverse args in "equal from" field.
6376 (emit_library_call_value_1): Emit_libcall_block for const and pure
6379 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6381 * reload1.c (reload_combine): Don't enable optimization for fixed
6382 registers when encountering a BARRIER.
6384 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6386 * builtins.c (expand_builtin_memcmp): Do expansion even with
6387 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
6389 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
6390 stack is propertly aligned; add sanity checking for aligned
6392 (expand_library_call_value_1): Add sanity checking for aligned
6395 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
6397 * calls.c (emit_library_call_value_1): Change 3rd arg to
6398 locate_and_pad_parm to disregard the setting of partial.
6400 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6402 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6404 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6405 CALL_INSN from the normal case.
6407 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
6409 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6410 New global variables.
6411 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6413 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6415 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6416 TARGET_ADD_ESP_8): New macros.
6417 * i386.md: Add peep2s to convert esp adjustments to push and pop
6419 (pushsi_prologue, popsi_epilogue): New patterns.
6421 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6423 * real.c (toe64): Remove stale #endif from the last change.
6425 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
6427 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6428 * real.c (toe64): Revert previous change.
6430 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6432 * objc/objc-act.c: Include ggc.h.
6433 (objc_tree_index, objc_global_trees): Convert most of the
6434 static tree variables into a static array with previous names
6436 (objc_ellipsis_node): New variable.
6437 (lang_init): Call objc_act_parse_init and c_parse_init.
6438 Create objc_ellipsis_node.
6439 (build_selector_translation_table): Use objc_ellipsis_node instead
6441 (hack_method_prototype): Likewise.
6442 (get_arg_type_list): Likewise.
6443 (start_method_def): Likewise.
6444 (continue_method_def): Likewise.
6445 (gen_method_decl): Likewise.
6446 (ggc_mark_imp_list): New function.
6447 (ggc_mark_hash_table): New function.
6448 (objc_act_parse_init): New function.
6449 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6450 * c-parse.in (c_parse_init): For objc add roots of objc specific
6451 local tree variables.
6452 * objc/objc-parse.y: Rebuilt.
6453 * objc/objc-parse.c: Rebuilt.
6454 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6456 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
6458 * cse.c (delete_trivially_dead_insns): Also delete insns
6459 that copy a register to itself where the destination is
6462 2000-04-11 Richard Henderson <rth@cygnus.com>
6464 * flow.c (struct propagate_block_info): Add new_dead, new_live.
6465 (propagate_block): Initialize them. Use them in parallel instead
6466 of one tmp variable, ie revert much of the 0408 and 0407 functional
6467 changes, but keep the structural changes.
6468 (mark_set_regs): Take new_dead from propagate_block_info instead.
6469 (mark_set_1, mark_set_reg): Likewise.
6470 (mark_used_regs): Likewise with new_live.
6471 (mark_used_reg): Likewise. Revert 0408 change.
6473 2000-04-11 Nick Clifton <nickc@cygnus.com>
6475 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
6477 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
6479 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6481 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
6482 const section to output a CONSTRUCTOR based on the same conditions
6485 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
6487 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
6488 * pa/pa-protos.h (output_call): Add additional argument indicating
6489 if the call is a sibling/tail call.
6490 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
6491 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
6492 (function_arg, function_arg_partial_nregs): Likewise
6493 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
6494 (emit_move_sequence): Zero extend certain constants as needed
6496 (compute_zdepdi_operands, output_64bit_and): New functions.
6497 (output_64bit_ior, function_arg): Likewise.
6498 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
6499 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
6500 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
6501 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
6502 (output_bvb): Likewise.
6503 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
6504 (output_call): New argument 'sibcall'. Generate sibcall sequences
6506 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
6507 (ouput_arg_descriptor): Do not emit argument descriptors for
6509 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
6511 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
6512 (FUNCTION_OK_FOR_SIBALL): Define.
6513 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
6514 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
6515 (CPP_SPEC): Use new spec infrastructure.
6516 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
6517 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
6518 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
6519 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
6520 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
6521 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
6522 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6523 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
6524 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
6525 (FUNCTION_ARG); Call out to C code.
6526 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
6527 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
6528 (MIN_UNITS_PER_WORD): Likewise.
6529 * pa/pa.md (cmpdi): New expander.
6530 (scc patterns, movstrsi): Not available for TARGET_64BIT.
6531 (64bit conditional arithmetic): New patterns.
6532 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
6533 (movsicc): Not available if modes on all the operands to not match.
6534 (movdicc): New expander and associated patterns.
6535 (64bit branches): New patterns.
6536 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
6537 (pre_ldd, post_std): New patterns.
6538 (64bit addil, load low part): New patterns.
6539 (special movsf constant): Not available for TARGET_64BIT.
6540 (movsf, movdf expanders): Force constants into memory.
6541 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
6542 (64bit movdf/movdi patterns): New patterns.
6543 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
6545 (extendqidi2, extendhidi2, extendsidi2): Similarly.
6546 (adddi3 expander): Allow "arith_operand" for second input.
6547 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
6548 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
6549 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
6550 (muldi3): New expander for TARGET_64BIT.
6551 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
6553 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
6554 patterns for TARGET_64BIT.
6555 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
6556 patterns for TARGET_64BIT.
6557 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
6558 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
6559 (sibcall_epilogue): New expander.
6560 (casesi): Tweak for TARGET_64BIT.
6561 (call expanders): Set & use the outgoing argument pointer. Use the
6562 64bit call patterns as needed. Add additional arg to output_call.
6563 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
6564 (sibcall, sibcall_internal_symref): New expanders.
6565 (sibcall_value, sibcall_value_internal_symref
6566 (interspace_jump): Turn into an expander + matching patterns.
6567 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
6568 * pa/pa64-regs.h: Eliminate trigraph sequences.
6569 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
6571 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
6573 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
6574 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
6575 cpp_token with cpp_ttype everywhere.
6576 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
6577 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
6578 CPP_BUF_COL. Line and column numbers are unsigned int, not
6580 * cpplex.c (cpp_buf_line_and_col): Delete.
6581 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
6582 'long lineno' to 'unsigned int lineno'.
6583 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
6585 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6587 * extend.texi: ISO C99 is not a draft anymore.
6588 * invoke.texi: ISO C++ is not a draft anymore.
6589 * cpp.texi: __cplusplus is required by the ISO standard.
6591 * extend.texi (-fthis-is-variable): Undocument.
6592 * flags.h (warn_template_debugging): Remove declaration.
6593 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
6594 -Wenum-clash, -Wtemplate-debugging): Undocument.
6596 2000-04-10 Nick Clifton <nickc@cygnus.com>
6598 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
6600 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
6602 (ARM_SIGN_EXTEND): Use HOST_UINT.
6603 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
6604 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
6605 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
6606 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
6608 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
6609 (arm_gen_constant): Use HOST_UINT.
6610 (arm_canonicalize_constant): Use HOST_UINT.
6611 (arm_reload_in_hi): Use HOST_UINT.
6612 (arm_reload_out_hi): Use HOST_UINT.
6613 (output_multi_immediate): Use HOST_UINT.
6614 (int_log2): Use HOST_UINT.
6615 (arm_poke_function_name): Use HOST_UINT.
6616 (arm_output_epilogue): Use arm_volatile_func().
6617 (output_thumb_prologue): Use arm_strip_name_encoding().
6619 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6621 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
6622 of sequence point problems.
6624 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
6626 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
6628 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
6630 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6632 * sbitmap.h: Whitespace changes and use upper-case macro args.
6633 (struct simple_bitmap_def): All sizes now unsigned.
6634 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
6635 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
6636 (sbitmap_vector_alloc): Parms and local vars now unsigned.
6637 (sbitmap_zero): Cast bzero arg to PTR.
6638 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
6639 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
6640 loop to make structure clearer.
6641 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
6642 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
6643 (sbitmap_a_and_b_or_c): Likewise.
6644 (sbitmap_intersection_of_succs): Minor cleanups.
6645 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
6646 (sbitmap_union_of_preds): Likewise.
6647 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
6648 (debug_sbitmap): New function.
6650 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
6651 * c-typeck.c (convert_for_assignment): Likewise.
6653 * expmed.c (init_expmed): Don't free objects we make.
6654 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
6656 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
6657 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
6659 * gcse.c (expr_hash_table_size): Now unsigned.
6660 (compute_ae_gen): Local variable `i' now unsigned.
6661 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
6662 (compute_transout, hoist_code): Likewise.
6663 (compute_local_properties): Likewise, also hash_table_size.
6664 (alloc_expr_hash_table): N_INSNS now unsigned.
6665 (delete_null_pointer_checks): Mark arg F as unused.
6667 * regrename.c: Minor cleanups, including chang some variables
6670 2000-04-10 Neil Booth <NeilB@earthling.net>
6672 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
6674 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
6676 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6678 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
6679 __classof__, and __headof__ from the list of gnu keywords.
6680 (-ansi): Remove -foperator-names from list of implied options.
6681 Do not call it ANSI C++.
6682 (-foperator-names): Document as -fno-operator-names.
6684 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
6686 * cpphash.c (timestamp): Delete.
6687 (del_HASHNODE): If type is T_MCONST, free value.cpval.
6688 (special_symbol): Remove unnecessary braces. Remove
6689 T_VERSION. Treat T_STDC like T_CONST unless
6690 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
6691 when one is encountered, then convert them into T_MCONST
6693 * cppinit.c (builtin_array): version_string is T_MCONST.
6694 __STDC__ has a "1" in its cpval. Don't have a terminator
6695 entry. Clean up which entries are dumped.
6696 (initialize_builtins): Only __STDC__ gets the special
6697 -traditional treatment. Count the length of builtin_array.
6698 Render version_string here.
6699 * cpphash.h: Remove T_VERSION. Add T_MCONST.
6700 * cpplib.h (struct cpp_reader): Remove timebuf.
6702 2000-04-09 Richard Henderson <rth@cygnus.com>
6704 * genrecog.c (pred): Update comparison_operator for the unordered
6707 * config/i386/i386.c (no_comparison_operator): Disallow unordered
6709 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
6710 (uno_comparison_operator): New.
6711 (put_condition_code): Handle UNORDERED/ORDERED.
6712 (unsigned_comparison): Likewise.
6713 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
6714 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
6715 (ix86_expand_fp_compare): Use them. Take scratch as argument,
6716 update all callers. Handle all 8 unordered operators.
6717 (ix86_expand_setcc): Lose the unordered argument, update all callers.
6718 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
6719 * config/i386/i386.h (PREDICATE_CODES): Update.
6720 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
6721 (ix86_expand_branch, ix86_expand_setcc): Update.
6722 * config/i386/i386.md (sunordered, sordered): New.
6723 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
6724 (bunordered, bordered): New.
6725 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
6726 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
6727 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
6729 2000-04-09 Philip Blundell <philb@gnu.org>
6731 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
6733 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
6735 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
6736 fix_truncxfhi2): New patterns.
6737 * i386.c (output_fix_trunc): Handle converting to HImode.
6739 2000-04-08 Alex Samuel <samuel@codesourcery.com>
6741 * ssa.c (convert_to_ssa): Eliminate dead code when calling
6743 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
6744 (for_each_successor_phi): Change parameter to basic_block.
6745 (coalesce_regs_in_successor_phi_nodes): Likewise.
6746 (coalesce_regs_in_copies): Likewise.
6747 (compute_coalesced_reg_partition): Use basic_block instead of index.
6748 * rtl.h (convert_to_ssa): Delete.
6749 (convert_from_ssa): Likewise.
6750 (successor_phi_fn): Likewise.
6751 (for_each_successor_phi): Likewise.
6752 (in_ssa_form): Likewise.
6753 * basic-block.h (convert_to_ssa): Moved from rtl.h.
6754 (convert_from_ssa): Likewise.
6755 (successor_phi_fn): Likewise.
6756 (in_ssa_form): Likewise.
6757 (for_each_successor_phi): Likewise. Change parameter to basic_block.
6758 * flow.c (calculate_global_regs_live): Pass a basic_block to
6759 for_each_successor_phi.
6761 2000-04-08 Richard Henderson <rth@cygnus.com>
6763 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
6764 was modified in the current insn.
6766 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6768 * arm/thumb.md: Delete.
6769 * arm/thumb-protos.h: Delete.
6771 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6773 Merge changes from merged-arm-thumb-backend-branch onto trunk.
6775 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6777 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
6780 * arm.md (nop): Use the standard RTL expression. Don't code as a
6782 (*arm_nop, *thumb_nop): Delete.
6784 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
6785 constants. Use casts instead.
6786 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
6787 output_multi_immediate, arm_poke_function_name): Likewise.
6788 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
6789 MASK_RETURN_ADDDR): Likewise.
6791 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
6793 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
6796 * arm.md (eh_epilogue): New function.
6797 * arm.h (struct machine_function): Move to here ...
6798 * arm.c: ... from here.
6799 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
6800 (thumb_exit): Extra parameter eh_ofs. All callers changed.
6801 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
6803 2000-03-30 Nick Clifton <nickc@cygnus.com>
6805 * config/arm/semi.h (ASM_SPEC): Restore definition.
6806 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6808 * config/arm/elf.h (ASM_SPEC): Restore definition.
6809 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6811 * config/arm/arm.h (ASM_SPEC): Remove definition.
6812 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
6814 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6816 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
6818 2000-03-24 Nick Clifton <nickc@cygnus.com>
6820 Various formating tidyups, elimination of compile time
6821 warnings and synchronisation with internal sources:
6823 * config/arm/arm-protos.h (assemble_align): Add prototype.
6824 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6825 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6826 (arm_return_addr_rtx): Rename to arm_return_addr.
6828 * config/arm/arm.c: Include except.h.
6829 Define shorter typenames for strict minipool_node and struct
6831 (arm_return_in_memory): For WinCE return all structures <= 32 bits
6833 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6834 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6836 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6838 (ASM_SPEC): Define if not already defined.
6839 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
6841 * config/arm/arm.md: Rename references to gen_rotated_half_load to
6842 arm_gen_rotated_half_load, and references to gen_comapre_reg to
6843 arm_gen_compare_reg.
6844 (indirect_jump): Only accept register operands.
6845 (load_indirect_jump): Keep this pattern since combine can generate
6848 * config/arm/coff.h: Include aout.h.
6849 (MULTILIB_DEFAULTS): Only define if not already defined.
6851 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
6852 into arm.h (so that COFF ports can support thumb based aliases).
6853 (ASM_SPEC): Move definition into arm.h
6855 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
6856 redundant apcs spec.
6857 (ASM_SPEC): Move definition to arm.h
6859 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
6861 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
6862 for entries in the .bss section
6864 2000-03-23 Nick Clifton <nickc@cygnus.com>
6866 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
6867 to thumb_far_jump_used_p.
6869 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
6870 single integer parameter.
6872 * config/arm/arm.c (struct machine_function): Add two new
6873 fields, 'far_jump_used' and 'arg_pointer_live'.
6874 (thumb_far_jump_used_p): Once the decision has been made that
6875 far jumps might be used, always return true.
6876 If being called from the initial elimination offset macro then
6877 do not bother to perform the test if the arg pointer is not
6879 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
6880 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
6882 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
6884 * arm.c (output_return_instruction): Handle more cases where we can
6885 return from a function with an ldr instruction.
6886 (arm_output_epilogue): Likewise.
6888 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
6889 if we need to push a large stack frame and there are no callee-saved
6892 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
6893 in ARM code if the frame pointer has been eliminated.
6895 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
6896 unspec_volatile arguments to avoid duplicates.
6897 (consttable_1, consttable_2): Fixes for big-endian mode.
6899 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
6902 Re-write constant pool code.
6903 * arm.c (minipool_node, minipool_fix): New types.
6904 (minifix): Delete type.
6905 (arm_add_minipool_constant): Delete.
6906 (arm_compute_minipool_offsets, arm_find_barrier,
6907 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
6908 (get_jump_table_size): Now returns HOST_WIDE_INT.
6909 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
6911 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
6912 (assign_minipool_offsets, arm_print_value): Likewise.
6913 (dump_minipool): Rewrite.
6914 (arm_barrier_cost): New function.
6915 (create_fix_barrier): New function.
6916 (push_minipool_barrier): New function.
6917 (push_minipool_fix): Record additional information about the fixup
6919 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
6920 check the mode of what needs fixing.
6921 (arm_reorg): Rewrite.
6923 2000-03-08 Nick Clifton <nickc@cygnus.com>
6925 * config/arm/arm.md (indirect_jump): Force constant addresses into
6928 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6930 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6932 2000-02-24 Nick Clifton <nickc@cygnus.com>
6934 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6935 adjust is word aligned.
6936 (thumb_expand_epilogue): Make sure that stack adjust is word
6939 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6941 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6943 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6944 pointer relative addresses.
6946 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6948 * arm.c (find_barrier): Find the last barrier within the allowed
6951 2000-02-09 Nick Clifton <nickc@cygnus.com>
6953 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6955 2000-02-09 Nick Clifton <nickc@cygnus.com>
6957 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6958 ARM_FUNCTION_PROFILER.
6960 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6961 ARM_FUNCTION_PROFILER.
6963 * config/arm/linux-oldld.h: Imported from mainline sources.
6965 2000-02-07 Nick Clifton <nickc@cygnus.com>
6967 * config/arm/lib1funcs.asm: Merge in thumb functions from
6970 * config/arm/lib1thumb.asm: Delete.
6972 2000-02-04 Nick Clifton <nickc@cygnus.com>
6974 * config/arm/arm.c: Sychronised with current Red hat local
6976 * config/arm/arm.h: Ditto.
6977 * config/arm/arm-protos.h: Ditto.
6979 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6981 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6983 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6986 2000-02-02 Nick Clifton <nickc@cygnus.com>
6988 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6990 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6991 (return) was emited using an emit_insn() call.
6993 2000-01-31 Nick Clifton <nickc@cygnus.com>
6995 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6997 (thumb_exit): Move frame pointer back into hard frame pointer
6998 register if backtracing is being used.
7000 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7002 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7005 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7007 * config/arm/arm.md (neg_pool_offset): Provide default for new
7009 (arm_movsi_insn): Add neg_pool_offset attribute.
7010 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7011 rtx for the insn that starts the scan and an unsigned long for its
7012 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7013 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7014 instructions in *PINSERTED.
7015 (struct minipool_fixup): Add MIN_ADDRESS elt.
7016 (sort_fixups): Compute it.
7017 (arm_reorg): Changes to support inserting pools before the insn to be
7020 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7022 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7023 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7024 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7026 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7028 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7030 (TARGET_DEFAULT): Do not define if already defined.
7032 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7034 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7035 (iordi3): Allow disjoint source operands.
7036 (xordi3): Allow disjoint source operands.
7037 (negdi2): Permit construction for ARM and Thumb.
7038 (arm_negdi2): Renamed version of old negdi2 pattern.
7039 (thumb_negdi2): New pattern: Only permit non-overlapping
7040 source and destination.
7042 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7044 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7045 scratch low register so that it will not be deleted.
7047 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7049 * config/arm/pe.h (ARM_PE): Define.
7051 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7052 interfacearm attribute if this is a PE toolchain.
7053 (output_return_instruction): Do not emit anything if the function
7054 has the naked attribute set.
7055 (is_called_in_ARM_mode): If the function has the interfacearm
7056 attribute then return true.
7057 (thumb_expand_prologue): Do not generate a prologue for naked
7059 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7061 (output_thumb_prologue): Do not bother if the function is naked.
7062 Strip PE encoding from function name before emitting.
7064 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7066 * arm.md (pic_load_addr): Fix constraints.
7068 * arm.md (casesi_insn): Fix mis-applied patch.
7070 * arm.md ("core" function unit): Add rules for single- and
7072 (All TARGET_THUMB patterns): Add "type" attribute information
7074 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7075 the following insn is a CALL.
7077 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7079 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7080 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7081 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7083 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7085 * config/arm/linux-gas.h: oops - this file was missed out when the
7086 branch was created...
7088 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7090 * thumb.c: Deleted. Move contents to ...
7092 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7094 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7097 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7098 declare a prototype for asm_output_align();
7100 * arm.c (thumb_condition_code): Delete.
7101 (arm_print_operand): Always use arm_condition_code array.
7103 * arm.c (thumb_return_addr_rtx): Delete.
7104 (arm_save_machine_status, arm_restore_machine_status): Delete.
7105 (arm_init_machine_status, arm_mark_machine_status): New functions.
7106 (arm_init_expanders): Update accordingly.
7107 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7108 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7109 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7111 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7113 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7115 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7118 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7120 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7121 stack backtrace structure.
7123 * config/arm/arm-protos.h: Add prototypes for functions defined in
7126 * config/arm/arm.c (arm_override_options): Fix selection of
7127 attributes of default processor.
7129 * config/arm/coff.h: Delete needless #include.
7131 * config/arm/pe.c: Delete unused code.
7133 * config/arm/pe.h (CPP_DEFINES): Delete
7134 (SUBTARGET_CPP_SPEC): Define.
7135 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7137 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7139 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7141 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7143 (CAN_DEBUG_WITHOUT_FP): Define.
7144 (FIXED_REGISTERS): Make r11 call-saved.
7145 (CALL_USED_REGISTERS): Likewise.
7146 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7147 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
7148 frame-pointer is required.
7149 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7150 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7151 if the target normally needs a stack frame in non-leaf functions.
7152 (use_return_insn): Correct logic for determining when a return
7153 instruction can be used.
7154 (output_return_instruction): Handle the frame-pointer register as
7155 a normal register when not TARGET_APCS_FRAME.
7156 (arm_output_prologue): Likewise.
7157 (arm_output_epilogue): Likewise.
7158 (output_func_epilogue): Likewise.
7159 (arm_expand_prologue): Likewise.
7160 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7162 * arm.c (use_return_insn): No need to check floating point regs if
7164 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
7165 the code of value stored in the minipool array.
7166 (arm_add_minipool_constant): Likewise.
7168 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7170 * basic-block.h (conflict_graph_enum_fn): K&R fix.
7172 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7174 * tree.c (tree_expr_nonnegative_p): New function.
7176 * tree.h (tree_expr_nonnegative_p): Declare.
7178 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7179 elide some sign_compare warnings.
7180 (build_conditional_expr): Likewise.
7182 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
7184 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7186 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7187 * i386.c (print_operand): Use the proper suffix for a 387 HImode
7188 operand. Abort if a 387 operand has an unsupported size.
7190 2000-04-08 Neil Booth <NeilB@earthling.net>
7192 * cppexp.c (parse_charconst): Null does not end character
7194 * cppinit.c (ISTABLE): Null character handled as whitespace.
7195 * cpplex.c (null_warning): new function.
7196 (skip_string): Emit warning if nulls encountered.
7197 (_cpp_skip_hspace): Emit warning if nulls encountered.
7198 (_cpp_lex_token): Emit warning if nulls encountered. Drop
7202 2000-04-07 Richard Henderson <rth@cygnus.com>
7204 * flow.c (loop_depth): Remove.
7205 (reg_next_use, cc0_live, mem_set_list): Replace with ...
7206 (struct propagate_block_info): New.
7207 (life_analysis): Don't allocate reg_next_use.
7208 (propagate_block_delete_insn): Break out of propagate_block.
7209 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7210 (propagate_block_delete_libcall): Likewise.
7211 (propagate_block): Create a propagate_block_info struct to pass
7212 to subroutines. Allocate one not two temporary regsets. Don't
7213 clobber memory for const calls. Look for clobbers in
7214 CALL_INSN_FUNCTION_USAGE.
7215 (mark_set_regs): Recognize COND_EXEC.
7216 (mark_set_reg): Break out of mark_set_1.
7217 (mark_used_reg): Break out of mark_used_regs.
7218 (mark_used_regs): Recognize COND_EXEC.
7219 (insn_dead_p): Use propagate_block_info struct.
7220 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7221 (find_auto_inc, try_pre_increment_1): Likewise.
7222 (print_rtl_with_bb): Dump regs live at end too.
7223 (count_reg_sets_1): Pass in loop_depth.
7224 (count_reg_sets, count_reg_references): Likewise.
7225 (recompute_reg_usage): Provide it.
7227 2000-04-07 Richard Henderson <rth@cygnus.com>
7229 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
7232 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
7234 * cpplib.c (do_elif): Skip the rest of the line if we're
7235 not going to bother evaluating it.
7236 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
7237 to avoid pointless calls to the lexer.
7239 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
7241 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
7243 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
7245 * calls.c (expand_call): emit_queue if we're trying a sibcall.
7247 2000-04-07 Jakub Jelinek <jakub@redhat.com>
7249 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
7251 2000-04-06 Geoff Keating <geoffk@cygnus.com>
7253 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
7254 crtend so they can be multilibbed.
7255 (STAGESTUFF): Remove s-crt and s-crtS.
7257 2000-04-07 Richard Henderson <rth@cygnus.com>
7259 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
7260 if we discover we need a pseudo and no_new_pseudos is true.
7261 * config/alpha/alpha.md (ne:DI insn): New.
7262 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
7264 2000-04-07 Richard Henderson <rth@cygnus.com>
7266 * rtl.def (COND_EXEC): New.
7267 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
7268 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
7270 * genconfig.c (have_cond_arith_flag): Remove.
7271 (have_cond_exec_flag): New.
7272 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
7273 (main): Print HAVE_conditional_execution.
7275 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
7276 (sched_analyze_insn, print_pattern): Likewise.
7277 * reload.c (find_equiv_reg): Likewise.
7278 * rtlanal.c (reg_referenced_p): Likewise.
7279 (note_stores, dead_or_set_regno_p): Likewise.
7280 (reg_overlap_mentioned_p): Rewrite to use a switch.
7282 * ggc.h (struct rtx_def): Forward declare.
7284 * print-rtl.c (debug_rtx_range): New.
7285 * rtl.h (debug_rtx_range): Declare.
7287 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
7289 * gcse.c (gcse_main): Don't rebuild the CFG here.
7290 (delete_null_pointer_checks): Likewise.
7291 * ssa.c (convert_to_ssa): Likewise.
7292 * toplev.c (rest_of_compilation): Do it here instead. Combine
7293 sequential calls to TIMEVAR. Consistently use `insns' instead of
7294 `get_insns()'. Always split insns after reload when optimizing.
7296 * basic-block.h (merge_blocks_nomove): Declare.
7297 (tidy_fallthru_edge): Declare.
7298 * flow.c (merge_blocks_nomove): Document as merging into previous
7299 blocks. Remove cruft from between blocks; remove all edges out of A.
7300 (tidy_fallthru_edge): Export.
7302 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7304 * ssa.c (compute_conservative_reg_partition): Declare with
7306 * toplev.c (clean_dump_file): Remove previously-deleted function
7307 inadvertantly merged back in.
7308 * conflict.c (conflict_graph_add): Use a single call to
7309 htab_find_slot to look up and insert.
7311 2000-04-06 Richard Henderson <rth@cygnus.com>
7313 * genrecog.c (*): Rename _last_insn to last_insn.
7314 (make_insn_sequence): Set the position of the peephole2 C test
7315 to be at the last insn.
7317 2000-04-06 Richard Henderson <rth@cygnus.com>
7319 * flow.c (compute_flow_dominators): Free worklist.
7321 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
7323 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
7325 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7327 * rtl.h (INSN_P): New macro.
7328 (successor_phi_fn): New typedef.
7329 (for_each_successor_phi): New prototype.
7330 (in_ssa_form): New variable.
7331 (PHI_NODE_P): Likewise.
7332 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
7333 phi nodes in successors.
7334 (mark_used_regs): Add PHI case.
7335 (set_phi_alternative_reg): New function.
7336 (life_analysis): Assert that dead code elimination is not selected
7338 * toplev.c (to_ssa_time): New variable.
7339 (from_ssa_time): Likewise.
7340 (compile_file): Zero to_ssa_time and from_ssa_time.
7341 Print time to convert to and from SSA.
7342 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
7343 (print_time): Compute percent fraction as integer.
7344 * ssa.c (PHI_NODE_P): Moved to rtl.h.
7345 (convert_to_ssa): Check if we're already in SSA.
7346 Don't eliminate dead code in life_analysis.
7347 Rerun flow and life analysis at bottom.
7348 (eliminate_phi): Use canonical regnos when adding nodes.
7349 (mark_reg_in_phi): New function.
7350 (mark_phi_and_copy_regs): Likewise.
7351 (convert_from_ssa): Rerun life analysis at top.
7352 Use coalesced partition.
7353 Check for removing a phi node at the end of the block.
7354 (compute_coalesced_reg_partition): New function.
7355 (coalesce_regs_in_copies): Likewise.
7356 (coalesce_reg_in_phi): Likewise.
7357 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
7358 (for_each_successor_phi): Likewise.
7359 (rename_context): New struct.
7360 (rename_block): Use a rename_context with rename_insn_1. When
7361 renaming sets of a subreg, emit a copy of the entire reg first.
7362 (rename_insn_1): Treat data as a rename_context *. Save current
7364 (rename_set_data): Add field set_insn.
7365 * Makefile.in (HASHTAB_H): Move up in file.
7366 (OBSTACK_H): New macro.
7367 (collect2.o): Use OBSTACK_H in dependencies.
7368 (sdbout.o): Likewise.
7369 (emit-rtl.o): Likewise.
7370 (simplify-rtx.o): Likewise.
7371 (fix-header.o): Likewise.
7372 (OBJS): Add conflict.o.
7373 (conflict.o): New rule.
7374 * basic-block.h: Include partition.h.
7375 (conflict_graph): New typedef.
7376 (conflict_graph_enum_fn): Likewise.
7377 (conflict_graph_new): New prototype.
7378 (conflict_graph_delete): Likewise.
7379 (conflict_graph_add): Likewise.
7380 (conflict_graph_conflict_p): Likewise.
7381 (conflict_graph_enum): Likewise.
7382 (conflict_graph_merge_regs): Likewise.
7383 (conflict_graph_print): Likewise.
7384 (conflict_graph_compute): Likewise.
7385 * conflict.c: New file.
7387 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
7389 * tlink.c (read_repo_files): Don't look for .rpo info for
7392 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7394 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7396 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7398 * config/sh/lib1funcs.asm (___udivsi3_i4):
7399 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7400 only depends on FMOVD_WORKS.
7402 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7404 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7405 make double constant 8-byte aligned.
7407 2000-04-06 Jakub Jelinek <jakub@redhat.com>
7409 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7410 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7411 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7412 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7413 Accept storing GENERAL_REGS into offsetable memory.
7414 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7415 building a TFmode constant other than 0.0L into GENERAL_REGS.
7417 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
7419 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7421 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
7423 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7424 (macro_cleanup): No need to cast pbuf->macro.
7425 (collect_expansion): Use _cpp_get_define_token. Goto done if
7426 it returns VSPACE. Remove check for trailing space after
7428 (_cpp_create_definition): Don't diddle flags here. Return
7430 (unsafe_chars): Handle c1 being EOF.
7431 (push_macro_expansion): Use unsafe_chars for both accidental-paste
7432 checks. Don't push the buffer till after we're done with
7434 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7435 (PEEKN, FORWARD, GETC, PEEKC): Use them.
7436 (cpp_push_buffer): Don't set new->alimit. Set new->mark
7438 (_cpp_parse_assertion): Don't NUL terminate.
7439 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
7440 hspace before calling _cpp_parse_assertion. Remove all sets
7441 of only_seen_white. Treat '\f' as hspace. Don't do anything
7442 special with '\n' here.
7443 (maybe_macroexpand): Handle T_EMPTY hash entries without
7444 pushing a buffer at all.
7445 (cpp_get_token): Handle clearing only_seen_white here. Handle
7446 incrementing the line number here. Clear
7447 potential_control_macro as well as only_seen_white, if
7449 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
7450 (_cpp_get_define_token): New function, basically like
7451 _cpp_get_directive_token was but doesn't eat horizontal space.
7452 Don't do anything with only_seen_white here.
7453 (_cpp_get_directive_token): Just call _cpp_get_define_token
7454 repeatedly till it returns non-hspace.
7456 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7457 (conditional_skip, skip_if_group): Return int.
7458 (DIRECTIVE_TABLE): Change origin of all conditional directives
7460 (TRAD_DIRECT_P): New macro.
7461 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
7462 an error for a bogus directive, unless -lang-asm. Use
7463 TRAD_DIRECT_P. Loop calling handler functions till one returns
7465 (get_macro_name): Don't diddle flags here.
7466 (do_define): Diddle flags here. Use _cpp_get_directive_token.
7467 Create T_EMPTY nodes for #define macro /* nothing */.
7468 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
7469 Use hp->name when calling pass_thru_directive.
7470 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
7471 Return the result of conditional_skip and/or skip_if_group.
7472 Don't call _cpp_output_line_command.
7473 (consider_directive_while_skipping): Use _cpp_get_directive_token.
7474 Issue -Wtraditional warnings as appropriate. Don't complain
7475 about unrecognized directives. If we are to stop skipping,
7476 return the number of the directive that ended the skip.
7477 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
7478 expansion and line commands while skipping. Return the result
7479 of consider_directive_while_skipping, if nonzero.
7480 (do_endif): Just set potential_control_macro here.
7481 (validate_else): Use _cpp_get_directive_token.
7482 (do_assert, do_unassert): Don't save pointers into the
7483 token_buffer across calls to the lexer. Use
7484 _cpp_get_directive_token.
7486 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
7487 pointer, not an offset. Replace 'data', which was a generic
7488 pointer, with 'macro', which points to a struct hashnode.
7489 (cpp_reader): Add 'potential_control_macro' pointer.
7490 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
7491 (CPP_BUF_GET, CPP_FORWARD): Delete.
7492 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
7493 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
7494 ACTIVE_MARK_P): Update.
7495 (_cpp_get_define_token): New internal function.
7496 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
7498 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
7500 * configure.in: And here.
7501 * configure: Regenerate.
7502 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
7503 --enable-libstdcxx-v3 is passed at configure time.
7504 * config.h.in: Regenerate.
7506 2000-04-05 Mark Mitchell <mark@codesourcery.com>
7508 * final.c (final): Use xcalloc to allocate line_note_exists.
7509 * function.c (free_after_compilation): Free the temp_slots.
7510 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
7511 (combine_temp_slot): Free temp_slots when they get combined.
7512 (purge_addressof): Fix typo in comment.
7513 * stmt.c (mark_goto_fixup): Mark the fixup itself.
7514 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
7516 * ggc.h: Include varray.h.
7517 (ggc_pending_trees): Declare.
7518 (ggc_mark_tree_children): Remove declaration.
7519 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
7520 * ggc-common.c (ggc_pending_trees): New variable.
7521 (ggc_mark_roots): Call ggc_mark_trees.
7522 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
7523 the ggc_pending_trees.
7524 * Makefile.in (GGC_H): New variable. Use it throughout in place
7527 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7529 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
7532 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7534 * sh.c (sh_insn_length_adjustment): New function.
7535 * sh-protos.h (sh_insn_length_adjustment): Declare.
7536 * sh.h (ADJUST_INSN_LENGTH): Use it.
7538 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
7540 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
7541 from the insn where REG_RETVAL is added.
7542 (emit_no_conflict_block): Ditto.
7544 * md.texi (Standard Names): Clarify when movX is needed.
7546 * combine.c (simplify_comparison) [MINUS]: Do not replace
7547 all (op (minus A B) 0) with (op A B).
7549 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
7550 J"orn Rennecke <amylaar@cygnus.co.uk>
7552 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
7553 (block_lump_real): Likewise.
7555 2000-04-05 Chris Demetriou <cgd@netbsd.org>
7557 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
7558 remaining non-zero debugging masks.
7560 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
7562 * basic-block.h (verify_flow_info): Declare.
7563 (flow_loop_outside_edge_p): Declare.
7564 * flow.c (verify_flow_info): Remove declaration.
7565 (clear_log_links, flow_loop_outside_edge_p): Likewise.
7567 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
7569 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
7572 2000-04-05 Jakub Jelinek <jakub@redhat.com>
7574 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
7575 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
7576 seqdi_zero_trunc+1): Allow splits only if registers are
7579 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
7581 * acconfig.h: Add HAVE_GAS_HIDDEN.
7582 * config.in: Regenerated.
7583 * configure.in: Add test for .hidden pseudo-op in gas.
7584 * configure: Regenerated.
7585 * crtstuff.c: Include auto-host.h.
7586 Emit additional .hidden pseudo-op for __dso_handle if the
7587 assembler knows about it.
7589 2000-04-04 Philippe De Muyter <phdm@macqel.be>
7591 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
7592 before freeing argnames.
7593 * cpplib.c (do_ifndef): Cast return value of xstrdup.
7595 2000-04-05 Michael Meissner <meissner@redhat.com>
7597 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
7598 Walton <jonboy@gordian.com> to make memory references with update
7599 work wtih -mregnames.
7601 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7603 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
7604 (regrename_optimize): Rename variables `def_uses' and
7605 `ext_basic_blocks' to avoid conflicts with similarly named
7606 typedefs in traditional C.
7608 * calls.c (initialize_argument_information): Fix typo in previous
7611 2000-04-04 Richard Henderson <rth@cygnus.com>
7613 * regrename.c (consider_available): Test fixed_regs not
7614 PIC_OFFSET_TABLE_REGNUM.
7616 2000-04-04 Geoff Keating <geoffk@cygnus.com>
7618 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
7620 (CRTSTUFF_T_CFLAGS_S): Delete definition.
7621 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
7622 (ENDFILE_LINUX_SPEC): Always use crtend.
7623 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
7624 (powerpc-*-linux-gnu): Likewise.
7625 * configure: Regenerate.
7627 * config/rs6000/eabi.h: Don't include sysv4.h.
7628 (MULTILIB_DEFAULTS): Don't define.
7629 * config/rs6000/eabiaix.h: Don't include eabi.h.
7630 * config/rs6000/eabile.h: Delete.
7631 * config/rs6000/eabilesim.h: Delete.
7632 * config/rs6000/eabisim.h: Don't include eabi.h.
7633 * config/rs6000/linux.h: Don't include sysv4.h.
7634 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
7635 (MULTILIB_DEFAULTS): Don't redefine.
7636 * config/rs6000/rtems.h: Don't include eabi.h.
7637 * config/rs6000/sol2.h: Don't include sysv4le.h.
7638 * config/rs6000/sysv4le.h: Don't include sysv4.h.
7639 * config/rs6000/t-ppc: Delete.
7640 * config/rs6000/t-ppcgas: Correct comment.
7641 * config/rs6000/t-ppcos: Correct comment. Don't build
7642 multilibs for -fPIC, rather use -fPIC -mstrict-align
7644 * config/rs6000/t-ppc: Delete.
7645 * config/rs6000/vxppc.h: Don't include sysv4.h.
7646 * config/rs6000/vxppcle.h: Delete.
7647 * configure.in: Use multiple header files for p2pc ELF targets
7648 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
7649 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
7650 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
7651 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
7652 always available for these platforms.
7654 2000-04-04 Richard Henderson <rth@cygnus.com>
7656 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
7658 2000-04-04 Stan Cox <scox@cygnus.com>
7660 * Makefile.in: Add rules for regrename.o
7661 * regrename.c: New file.
7662 * rtl.h (regrename_optimize): Add prototype.
7663 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
7664 (compile_file, decode_d_option): Add support for -frename-registers.
7665 (rest_of_compilation): Call regrename_optimize.
7666 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
7669 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7671 * Makefile (gccbug): New target.
7672 (doc): Depend on it.
7673 * gcc.texi (Bugs): Link subnodes.
7675 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
7676 Document severities, priorities, and classes in bug form.
7678 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
7680 * cpplex.c (trigraph_map, speccase): Combine into single
7682 (NORMAL, NONTRI): New macros.
7683 (_cpp_read_and_prescan): Change to use unified table. Use
7684 is_hspace to test for whitespace.
7686 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
7687 definition that doesn't provoke the "empty body in an
7688 if-statement" warning.
7690 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
7692 * builtins.c (expand_builtin_strlen): Force the source to
7693 be a memory address.
7695 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7697 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
7699 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
7701 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
7702 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
7703 (ECF_IS_CONST): Rename to ECF_CONST.
7704 (special_function_p): Make static, change interface.
7705 (flags_from_decl_or_type, try_to_integrate): Break out from ...
7706 (expand_call) ... here; convert number of variables to flags.
7707 (emit_library_call_vlue_1): Likewise.
7708 (setjmp_call_p): New function.
7709 (initialize_argument_information): Accepts flags as argument;
7711 (precompute_arguments): Likewise.
7712 * tree.h (special_function_p): Remove.
7713 (setjmp_call_p): Add prototype.
7715 2000-04-04 Jakub Jelinek <jakub@redhat.com>
7717 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
7718 so that addresses are offsetable by up to 16 bytes.
7719 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
7720 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
7723 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
7724 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
7725 (movsf): Don't force any constant to memory if target is integer
7727 Move fp_zero_operand check below the const0_rtx check.
7728 (movtf): Likewise. Also allow fp_zero_operand for stores into
7730 (movdf): Likewise. Also allow fp_zero_operand for stores into
7731 memory and into integer hard registers.
7732 (clear_df, clear_dfp, movdf_const_intreg_sp32,
7733 movdf_const_intreg_sp64): Remove.
7734 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
7736 (movdf_no_e_insn_v9_sp32): New pattern.
7737 (movdf_insn_v9only): Remove.
7738 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
7739 (movdf_insn_sp64): Remove.
7740 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
7741 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
7742 (following splits): Rewrite conditions. Add two new splits
7743 for storing 0.0 into memory and registers.
7744 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
7745 (movtf_insn_sp32): Redo constraints and conditions.
7746 (movtf_insn_vis_sp32): New pattern.
7747 (movtf_no_e_insn_sp32): Redo constraints and conditions.
7748 (movtf_insn_hq_sp64): Likewise.
7749 (movtf_insn_hq_vis_sp64): New pattern.
7750 (movtf_insn_sp64): Redo constraints and conditions.
7751 (movtf_insn_vis_sp64): New pattern.
7752 (movtf_no_e_insn_sp64): Redo constraints and conditions.
7753 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
7755 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
7756 -mvis or -m64 to take down the number of various reload patterns.
7758 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
7760 * pa/pa-64.h: New file.
7761 * pa/pa64-regs.h: New file.
7762 * pa/pa64-start.h: New file.
7763 * pa/t-pa64: New file.
7764 * pa/xm-pa64hpux.h: New file.
7766 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7768 * sparc.c (output_restore_regs): Prototype.
7769 (sparc_emit_float_lib_cmp): Constification.
7771 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
7773 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
7776 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
7777 (get_value_hash, hash_rtx): Likewise.
7779 * ssa.c (compute_conservative_reg_partition): Prototype.
7781 * tree.c (mark_hash_entry): Prototype.
7783 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
7785 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
7786 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
7787 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
7789 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
7790 * objc/lang-specs.h: Likewise.
7792 2000-04-03 Neil Booth <NeilB@earthling.net>
7794 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
7795 and SYNTAX_ERROR2. Replace `' in messages with ''.
7796 (op_to_str): Make re-entrant.
7797 (_cpp_parse_expr): Implement new error macros. Use | rather
7798 than || to logically or 2 boolean integers. Simply expression
7799 checking we have a left operand iff needed.
7801 2000-04-03 Nick Clifton <nickc@cygnus.com>
7803 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
7805 2000-04-03 Philip Blundell <philb@gnu.org>
7807 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
7809 2000-04-03 Felix Lee <flee@cygnus.com>
7811 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
7812 (run_shell): Use it.
7814 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
7816 * Makefile.in (stmp-int-hdrs): Make include subdir here...
7817 (stmp-fixproto): ...rather than here.
7819 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
7821 * pa.c (print_operand): Compute 'base' only inside the code paths
7824 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
7826 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
7829 2000-04-03 Philipp Thomas <pthomas@suse.de>
7831 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
7833 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
7835 * Makefile.in (alias.o): Depend on $(TREE_H).
7837 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
7839 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
7841 * cpplib.c (_cpp_handle_directive): Improve warnings for
7842 traditional C and indented directives.
7844 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
7845 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
7846 fixinc/inclhack.def: Indent the # of #include_next one space.
7847 * cp/rtti.c: Un-indent #if and #endif.
7849 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
7850 syntax error, but an error has already been printed.
7851 * cpplex.c (_cpp_parse_assertion): Give a more specific error
7852 message when called with nothing remaining on the line.
7853 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
7854 OTHER token, not an ASSERTION.
7855 * cpplib.c (do_assert): When we create a 'base' node, clear
7856 its aschain pointer.
7858 2000-04-02 Neil Booth <NeilB@earthling.net>
7860 * cppexp.c: New typedef op_t. struct operation and struct
7861 token updated to use it.
7862 (op_to_str): New function.
7863 (_cpp_parse_expr): Error messages modified to use op_to_str.
7865 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7867 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
7868 before checking MUST_PASS_IN_STACK.
7870 2000-04-02 Neil Booth <NeilB@earthling.net>
7872 * cppexp.c: New FINISHED dummy token. Combine operator initial
7873 flags and initial priority into a single constant. New
7874 EQUALITY macro. New operator flag SHORT_CIRCUIT.
7875 (_parse_cpp_expr): Implement new constants. Take left operand
7876 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
7877 parse indicated by reducing FINISHED token. Remove new lines
7878 from cpp_error messages.
7880 2000-04-01 Mark Mitchell <mark@codesourcery.com>
7882 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
7885 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
7887 * cpplib.c: Include symcat.h. Add 'origin' field to struct
7888 directive. Add origin values to DIRECTIVE_TABLE. Generate
7889 the strings and function names on the fly. Take the #sccs
7890 entry out of the table if SCCS_DIRECTIVE is not defined.
7891 (_cpp_handle_directive): Decide if the # was at the beginning
7892 of the line here. Issue -pedantic warnings for extended
7893 directives here. Warn about K+R directives with the #
7894 indented, and C89/extended directives with the # not indented,
7896 (do_import, do_include_next, do_warning, do_ident, do_sccs,
7897 do_assert, do_unassert): Don't issue pedantic warning here.
7899 * cpphash.h: Add CPP_WTRADITIONAL macro.
7900 * cpplib.h (struct cpp_options): Rename warn_stringify to
7901 warn_traditional; update comments.
7902 * cppinit.c (handle_option): Set warn_traditional not
7904 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
7905 CPP_WTRADITIONAL (pfile).
7906 * cpplex.c (_cpp_lex_token): Don't decide if directives should
7907 be ignored in -traditional mode here.
7909 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
7910 to initialize speccase[] and trigraph_map[]. Delete all
7911 references to pfile->input_speccase. Always treat '?' as a
7912 special character. Remove table-initialization code from
7913 _cpp_init_input_buffer.
7915 * cpplib.h (struct cpp_reader): Remove input_speccase field.
7916 * cppinit.c (cpp_cleanup): Don't free input_speccase.
7918 2000-04-01 Richard Henderson <rth@cygnus.com>
7920 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
7921 (mostlyclean): Likewise.
7923 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
7924 (struct dump_file_info, enum dump_file_index, dump_file): New.
7925 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7926 not a string. Clean out file if we havn't yet done so. Do nothing
7927 if the dump isn't enabled.
7928 (close_dump_file): Do nothing if the dump isn't open. Dump
7929 graph data if requested.
7930 (dump_rtl, clean_dump_file): Remove.
7931 (compile_file): Don't clean the dump files. Only finalize .bp dump
7932 if flag_test_coverage or flag_branch_probabilities. Only finalize
7933 .combine dump if optimizing. Iterate over dump_file to finalize the
7935 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7936 Convert all uses of dump_rtl.
7937 (decode_d_option): Iterate over dump_file to implement 'a' and to
7938 locate pass-specific dumps.
7940 2000-04-01 Neil Booth <NeilB@earthling.net>
7942 * cppexp.c: Redefine priority constants.
7943 (_cpp_parse_expr): Replace left and right priority scheme with
7944 single priority logic. Move LOGICAL to same place as COMPARE.
7945 Remove bogus check for multiple unary +/- operators.
7947 2000-04-01 Neil Booth <NeilB@earthling.net>
7949 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7950 within the switch statement. Binary operations break out of
7951 the switch naturally. '(' tokens handled by forcing
7952 immediate shift. ')' handled by forcing immediate reduce to
7953 the previous '('. New error messages.
7955 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7957 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7958 part', it's already in use. Use %K instead. Add a return at the
7959 end of what is now %K.
7960 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7962 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7964 * builtins.c (expand_builtin_apply): Pass proper parameters to
7965 allocate_dynamic_stack_space.
7966 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7967 update stack_pointer_delta; do not update arg_size_so_far.
7968 (compute_argument_block_size): Use stack_delta instead of
7969 stack_pointer_pending and arg_size_so_far.
7970 (expand_call): Add sanity checking for stack_pointer_delta;
7971 save and restore stack_pointer_delta for SIB, use
7972 stack_pointer_delta for alignment; do not update arg_space_so_far.
7973 (emit_library_call_value): Use stack_pointer_delta for alignment.
7974 (store_one_arg): Do not update arg_space_so_far.
7975 * explow.c (adjust_stack, anti_adjust_stack): Update
7976 stack_pointer_delta.
7977 (allocate_dynamic_stack_space): Add sanity checking for
7978 stack_pointer_delta.
7979 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7980 stack_pointer_delta.
7981 (emit_push_insn): Update stack_pointer_delta.
7982 * function.h (struct expr_status): Add x_stack_pointer_delta;
7983 remove x_arg_space_so_far.
7984 (arg_space_so_far): Remove.
7985 (stack_pointer_delta): New macro.
7987 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7989 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7990 Reorder struct cpp_options and struct cpp_reader for better
7991 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7992 takes two args. Change all 'char' flags to 'unsigned char'.
7993 Move show_column flag into struct cpp_options. Don't
7994 prototype cpp_options_init.
7995 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7996 cppinit.c, cpplex.c, cpplib.c:
7997 Replace CPP_OPTIONS (pfile)->whatever with
7998 CPP_OPTION (pfile, whatever), and likewise for
7999 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8001 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8002 Extract CPP_OPTION (pfile, pending) and work with that
8004 (cpp_options_init): Delete.
8005 (cpp_reader_init): Turn on on-by-default options here.
8006 Allocate the pending structure here.
8007 (cl_options, enum opt_code): Define these from the same table,
8008 kept in a large macro. Add -fshow-column and -fno-show-column
8011 * cpperror.c (v_message): If show_column is off, don't print
8014 * cppmain.c: Update for new interface.
8015 * fix-header.c: Likewise.
8017 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8019 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8021 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8022 are passed to any invocation of AR_FOR_TARGET.
8023 (AR_CREATE_FOR_TARGET): New macro.
8024 (AR_EXTRACT_FOR_TARGET): New macro.
8025 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8026 AR_EXTRACT_FOR_TARGET.
8027 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8028 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8029 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8030 AR_EXTRACT_FOR_TARGET to sub-makes.
8032 2000-03-31 Neil Booth <NeilB@earthling.net>
8034 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8036 (_cpp_parse_expr): Check for multiple unary +/- operators.
8037 Correct priorities of ':' and '?'. Treat ')' as having a
8038 value. Ensure conditional expression is not void.
8040 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8042 * alias.c (canon_rtx): Make it global.
8043 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8045 * cse.c (struct table_elt): Add canon_exp.
8047 (invalidate): Canonicalize expressions only once.
8048 * rtl.h (canon_rtx): Declare.
8050 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8052 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8053 * alias.c (reg_known_value): Add comments.
8054 (init_alias_analysis): Likewise.
8055 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8057 (cse_basic_block): Fix typo in comment.
8058 * emit-rtl.c: Include hashtab.h.
8059 (const_int_htab): New variable.
8060 (const_int_htab_hash): New function.
8061 (const_int_htab_eq): Likewise.
8062 (rtx_htab_mark_1): Likewise.
8063 (rtx_htab_mark): Likewise.
8064 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8065 (unshare_all_rtx): Fix formatting.
8066 (init_emit_once): Initialize const_int_htab.
8067 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8069 * rtl.texi: Document the fact that all CONST_INTs with the same
8072 2000-03-30 Richard Henderson <rth@cygnus.com>
8074 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8076 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8078 * configure.in: Comment out --enable-c-cpplib stanza.
8079 * configure: Regenerate.
8081 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8083 * expr.c (store_constructor): Properly compute displacement and
8084 alignment when offset is variable.
8086 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8087 cases of alignment in bytes.
8089 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8091 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8092 since it is used to generate c-parse.y.
8093 * objc-parse.c, objc-parse.y: Regenerated.
8095 * function.c (expand_function_end): Pass alignment argument to
8096 emit_block_move in bits, not bytes.
8098 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8100 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8103 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8105 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8106 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8107 * function.c (assign_parms): Likewise.
8108 * integrate.c (expand_inline_function): Likewise.
8109 * stmt.c (expand_decl): Likewise.
8110 (copy_rtx_and_substitute): Likewise.
8111 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8112 (clear_by_pieces): Fix error in last change.
8113 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8114 * function.h (regno_pointer_align): Now unsigned.
8115 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8117 * config/i386/i386.c (aligned_operand): Likewise.
8118 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8119 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8120 (unaligned_memory_operand): Likewise.
8121 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8122 Also make alignments and sizes unsigned and some whitespace cleanup.
8123 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8125 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8126 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8127 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8128 (expand_builtin_memset): Likewise, but to clear_storage.
8129 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8130 (restore_fixed_argument_area): Likewise.
8131 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8132 (load_register_parameters): Likewise, to emit_group_load.
8133 (expand_call): Likewise, to emit_group_store and emit_block_move.
8134 (emit_library_call_value_1): Likewise, to emit_block_move.
8135 (store_one_arg): Likewise, and to emit_push_insn.
8136 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8137 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8138 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8139 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8140 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8141 (expand_assigment, store_expr, store_constructor_field): Likewise.
8142 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8143 (store_constructor, store_field, get_inner_reference): Likewise.
8144 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8145 (expand_expr, case COMPONENT_REF): Likewise.
8146 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8147 and positions; reindent code.
8148 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8149 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
8150 (assign_parms): Likewise to emit_group_store.
8151 * optabs.c (prepare_cmp_insn): Alignment is in bits.
8152 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8153 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8154 (expand_return): Likewise to {extract,store}_bit_field.
8155 * stor-layout.c (get_mode_alignment): Minor cleanup.
8156 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8157 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8159 2000-03-29 Nick Clifton <nickc@cygnus.com>
8161 * config/arm/arm.h: Undo effects of previous delta:
8162 (ASM_SPEC): Do not define.
8163 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8165 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8168 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8170 * cppinit.c (cpp_start_read): Call initialize_dependency_output
8171 only after reading in the primary source file.
8173 2000-03-29 Geoff Keating <geoffk@cygnus.com>
8175 * c-common.c (c_common_nodes_and_builtins): The first parameter to
8176 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
8177 or a reference to a va_list.
8178 * builtins.c (stabilize_va_list): Simplify now we don't have to
8179 work around C array address decay.
8180 * c-typeck.c (convert_for_assignment): Handle assignment to
8181 a reference parameter by taking the address of the RHS.
8182 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
8183 (va_copy): Likewise.
8184 (__va_copy): Likewise.
8185 * ginclude/varargs.h (va_start): Likewise.
8186 (__va_copy): Likewise.
8188 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
8190 * i386/djgpp.h: Remove extraneous "+".
8192 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8194 * calls.c (expand_call): Fix typo in last change.
8196 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
8198 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8201 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8203 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8204 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8205 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8206 * tree.c (bit_position, byte_position): Likewise.
8207 * tree.h: Declare new functions.
8209 2000-03-29 Nick Clifton <nickc@cygnus.com>
8211 * config/arm/arm.c: Minor formatting changes/
8212 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8214 (ASM_SPEC): Define if not already defined.
8216 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8218 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
8221 2000-03-29 Jakub Jelinek <jakub@redhat.com>
8223 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
8224 value, don't output it as unsigned.
8226 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
8228 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
8230 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8232 * c-common.c (c_common_nodes_and_builtins): Don't special case
8233 cplus_mode when declaring builtin bzero/bcmp, always avoid
8234 prototype arguments.
8236 2000-03-29 Bruce Korb <bkorb@gnu.org>
8238 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
8241 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8243 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
8244 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
8245 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
8246 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
8247 (save_fixed_argument_area, restore_fixed_argument_area):
8248 conditionize by #ifdef REG_PARM_STACK_SPACE only.
8249 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
8250 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
8251 (precompute_register_parameters): Avoid #ifdefs on
8252 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
8253 (stire_one_args): Likewise.
8254 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
8255 (emit_library_call_value_1): Likewise.
8256 (compute_argument_block_size): Align to STACK_BOUNDARY only for
8257 ACCUMULATE_OUTGOING_ARGS.
8258 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
8260 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
8261 (use_crosses_set_p): Likewise.
8262 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
8263 #define ACCUMULATE_OUTGOING_ARGS 1.
8264 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
8266 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
8268 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
8269 (TARGET_SWITCHES): Add push-args, no-push-args,
8270 accumulate-outgoing-args and no-accumulate-outgoing-args.
8271 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
8272 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
8273 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
8275 (emit_push_insn): Likewise.
8276 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8277 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
8278 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8279 (STACK_DYNAMIC_OFFSET): Define correctly for both
8280 ACCUMULATE_OUTGOING_ARGS and normal mode.
8281 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
8282 * tm.texi (PUSH_ARGS): Document.
8283 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
8285 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
8287 * flags.h (flag_optimize_sibling_calls): Declare.
8288 * calls.c (expand_call): Fail sibcall when
8289 !flag_optimize_sibling_calls
8290 * invoke.texi (flag_optimize_sibling_calls): Document.
8291 * toplev.c (flag_optimize_sibling_calls): New global variable.
8292 (f_options): Add flag_optimize_sibling_calls.
8293 (rest_of_compilation): Conditionize
8294 optimize_sibling_and_tail_recursive_calls by
8295 flag_optimize_sibling_calls.
8296 (main): Set flag_optimize_sibling_calls for -O2.
8297 * stmt.c (expand_return): Conditionize tail recursion by
8298 flag_optimize_sibling_calls.
8300 2000-03-29 Richard Henderson <rth@cygnus.com>
8302 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
8303 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
8305 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
8307 * except.c (add_eh_table_entry): Mark type_info's as referenced.
8309 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8311 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
8313 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
8314 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
8315 * config/rs6000/aix.h: then modified likewise.
8317 2000-03-28 Richard Henderson <rth@cygnus.com>
8319 * rtl.h: Redistribute enum reg_note documentation.
8320 Kill trailing whitespace.
8321 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
8322 Kill trailing whitespace.
8324 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
8326 * cppfiles.c (hash_IHASH): Just return i->hash.
8327 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
8328 htab_find_with_hash.
8329 (cpp_read_file): Likewise.
8330 (find_include_file): Likewise. Properly initialize
8331 ih->nshort. Share ih->name and ih->nshort if possible.
8332 * cpphash.c (_cpp_calc_hash): New function.
8333 (hash_HASHNODE): Just return h->hash.
8334 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
8335 htab_find_with_hash.
8336 * cpphash.h: Prototype _cpp_calc_hash.
8337 * cppinit.c (initialize_builtins): Provide a valid hash
8338 to _cpp_make_hashnode, using _cpp_calc_hash.
8340 * cpphash.c (collect_expansion): # is not a special character
8341 in object-like macros. In -traditional mode, /**/ is not
8342 token paste at the beginning or end of the line.
8343 * cpplib.c (do_include, do_import, do_include_next): If
8344 parse_include fails, return immediately.
8346 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
8348 * config/arm/arm.md (return peepholes): Update to reflect the new
8350 * config/arm/arm.c (arm_volatile_func): Also check
8351 current_function_nothrow.
8352 (output_return_instruction, output_func_prologue): Use it.
8353 (arm_output_epilogue, arm_expand_prologue): Likewise.
8355 2000-03-27 Tom Tromey <tromey@cygnus.com>
8357 * gcc.c (handle_braces): In {x*...} case, break out of loop if
8360 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8362 * expr.c (store_constructor): SIZE now signed.
8363 For EXPR_SIZE, don't evaluate size; just needed if constant.
8364 * fold-const.c (fold): Fix a number of cases when folded tree is
8366 * function.c (flush_addressof): Reenable.
8367 * tree.h (flush_addressof): Likewise.
8368 * toplev.c (independent_decode_option): Look at strings_processed.
8369 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
8371 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
8373 * sibcall.c (indentify_call_return_value): Find last call in the chain;
8374 Allow stack adjustment after function call.
8376 * regmove.c (struct csa_memlist): Make mem field rtx *.
8377 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
8378 (try_apply_stack_adjustment): Replace whole MEM rtx.
8379 (combine_stack_adjustments_for_block): Update calls
8380 to record_one_stack_ref.
8382 2000-03-28 Neil Booth <NeilB@earthling.net>
8384 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
8385 '\\' rather than a null character, so nulls are not special. Fix
8386 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
8387 speed trigraph conversion.
8388 (_cpp_init_input_buffer): Initialize trigraph map.
8390 2000-03-27 Alan Modra <alan@linuxcare.com.au>
8392 * config/i386/i386.c (output_387_binary_op): Correct intel
8393 mode assembly output, and add spaces after commas in AT&T
8394 output. Correct Unixware assembler comment. Document input
8395 constraints. Comment fp operations. Reduce profligate buffer
8396 size. Remove extraneous abort. Localize temp var.
8397 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
8398 (output_fix_trunc): Add spaces after commas in assembly output.
8400 2000-03-27 Richard Henderson <rth@cygnus.com>
8402 * i386-protos.h (ix86_match_ccmode): Declare.
8403 * i386.c (ix86_match_ccmode): New.
8404 (ix86_expand_fp_compare): Update for pattern renames.
8405 (ix86_expand_strlensi_unroll_1): Likewise.
8406 * i386.h (EXTRA_CC_MODES): Add CCZ.
8407 (SELECT_CC_MODE): Use it for EQ/NE zero.
8408 * i386.md (cmpsi_ccz_1): New.
8410 (*testsi_ccz_1): New.
8411 (testqi_ccz_1): New.
8412 (cmpsi_ccno_1): Rename from cmpsi_0.
8413 (testsi_ccno_1): Rename from testsi_1.
8414 (testqi_ccno_1): Rename from testqi_1.
8415 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
8416 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
8417 (*cmphi_0): Use ix86_match_ccmode.
8418 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8419 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8420 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8421 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8422 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8423 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8424 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8425 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8426 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8427 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8428 (appropriate peepholes): Likewise.
8429 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8430 (*subsi_3, *subhi_3, *subqi_3): Remove.
8431 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
8432 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8433 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8434 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
8435 (x86_shift_adj_1): Use CCZ.
8436 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8438 2000-03-27 Stan Cox <scox@cygnus.com>
8440 * resource.h (mark_resource_type): New.
8441 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
8442 find_free_register): Use mark_resource_type.
8443 (mark_set_resources): Change include_delayed_effects
8444 to mark_resource_type.
8445 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8446 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8447 Use mark_resource_type.
8449 2000-03-27 Richard Henderson <rth@cygnus.com>
8451 * i386.md (call_pop_0, call_value_pop_0): New.
8452 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
8453 (call_value_pop_1): Likewise.
8454 (call_0, call_value_0): New.
8455 (call_1, call_value_1): Remove constraint from unused arg.
8457 2000-03-27 Nick Clifton <nickc@cygnus.com>
8459 * invoke.texi (Spec Files): Document new spec % command created by
8460 Tom Tromey's recent patch.
8462 2000-03-27 Jakub Jelinek <jakub@redhat.com>
8464 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
8467 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8469 * expr.c (expand_assignment): Fix typo in last change.
8471 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
8473 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8475 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
8476 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
8477 and DECL_INLINE if FUNCTION_DECL.
8478 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
8479 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
8480 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
8481 (combine_parm_decls): Likewise.
8482 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
8483 * print-tree.c (print_node): Likewise.
8484 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
8485 DECL_TRANSPARENT_UNION on proper decl types.
8486 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
8487 * stor-layout.c (layout_decl): Only check DECL_PACKED and
8488 DECL_BIT_FIELD of FIELD_DECL.
8489 * tree.h (DECL_RESULT_FLD): New macro.
8491 * expr.c (expand_assignment): Add code to handle variable-sized
8494 2000-03-26 Richard Henderson <rth@cygnus.com>
8496 * calls.c (expand_call): Pass parms not original exp to
8497 optimize_tail_recursion. Mind return value instead of looking
8499 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
8500 call_expr. Move checks for call_expr and current_function_decl ...
8501 (expand_return): ... here.
8503 2000-03-26 Tom Tromey <tromey@cygnus.com>
8505 * gcc.c (handle_braces): Recognize `%{<S}' construct.
8506 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
8508 (process_command): Use them.
8509 (check_live_switch): Likewise.
8510 (give_switch): Skip ignored switches.
8512 2000-03-26 Jan Hubicka <jh@suse.cz>
8514 * jump.c (jump_optimize_1): Fix typo in elide optimizations
8515 for minimal jump pass test.
8517 2000-03-26 Mark Mitchell <mark@codesourcery.com>
8519 * integrate.c (function_cannot_inline_p): Do inline functions that
8522 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8524 * stor-layout.c (layout_type, set_sizetype): early_type_list is
8525 now a list of TREE_LIST entries, not types.
8526 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
8528 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
8529 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
8531 * config/mips/mips.c (function_arg): Likewise; also remove cast
8532 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
8533 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
8534 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
8535 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
8536 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
8537 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
8538 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
8539 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
8540 num_adjusts now unsigned.
8541 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
8542 * config/sparc/sparc.c (struct function_arg_record_value_parms):
8544 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
8545 as is BITPOS variable; use host_integerp and int_bit_position.
8546 (function_arg_record_value_2): Likewise.
8547 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
8548 Variable REGNO now unsigned.
8549 (function_arg_record_value): NREGS now unsigned.
8551 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8553 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
8555 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * Rework fields used to describe positions of bitfields and
8558 modify sizes to be unsigned and use HOST_WIDE_INT.
8559 * alias.c (reg_known_value_size): Now unsigned.
8560 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
8561 (really_start_incremental_init): Use bitsize_zero_node.
8562 (push_init_level, pop_init_level, output_init_element): Likewise.
8563 Use bitsize_unit_node and bitsize_one_node.
8564 (output_pending_init_elements, process_init_element): Likewise.
8565 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
8566 (make_extraction): Position and length HOST_WIDE_INT and unsigned
8567 HOST_WIDE_INT, respectively.
8568 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
8569 (num_sign_bit_copies): Returns unsigned.
8570 BITWIDTH now unsigned; rework arithmetic.
8571 Remove recursive call from arg to MAX.
8572 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
8573 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
8575 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
8576 (find_split_point, expand_compound_operation, make_extraction): LEN
8577 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
8578 (make_field_assignment): Likewise.
8579 (combine_simplify_rtx): Add cast.
8580 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
8581 (force_to_mode): WIDTH now unsigned; add cast.
8582 (if_then_else_cond): SIZE now unsigned.
8583 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
8584 (extended_count): Now returns unsigned.
8585 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
8586 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
8587 (simplify_comparison): MODE_WIDTH now unsigned.
8588 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
8589 (mark_used_regs_combine): Likewise; rework arithmetic.
8590 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
8591 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
8592 (record_promoted_value): REGNO now unsigned.
8593 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
8594 (get_last_value): REGNO now unsigned.
8595 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
8596 (reg_dead_regno, reg_dead_endregno): Now unsigned.
8597 (remove_death): Arg REGNO now unsigned.
8598 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
8599 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
8601 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
8602 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
8603 (struct cse_reg_info): REGNO now unsigned.
8604 (cached_regno): Now unsigned.
8605 (REGNO_QTY_VALID_P): Add cast.
8606 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
8607 (remove_invalid_regs): Likewise.
8608 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
8609 as are variables END and I.
8610 (get_cse_reg_info, insert): Likewise.
8611 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
8612 (canon_hash): Likewise.
8613 (insert_regs, lookup_for_remove): REGNO now unsigned.
8614 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
8616 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
8617 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
8618 * emit-rtl.c (subreg_realpart_p): Add cast.
8619 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
8620 (operand_subword_force): Arg I is now unsigned.
8621 * except.c (eh_regs): Variable I is now unsigned.
8622 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
8623 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
8624 length is unsigned HOST_WIDE_INT; likewise for internal variables.
8625 (store_split_bit_field, extract_fixed_bit_field): Likewise.
8626 (extract_split_bit_field, store_bit_field, extract_bit_field):
8628 * expr.c (store_constructor_fields, store_constructor, store_field):
8629 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
8630 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
8631 (do_jump): Likewise.
8632 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
8633 MAX_SIZE is now unsigned.
8634 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
8635 (emit_group_store): Likewise.
8636 (emit_move_insn): I now unsigned.
8637 (store_constructor): Use host_integerp, tree_low_cst, and
8639 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
8640 Rework all calculations to use trees and new fields.
8641 * expr.h (promoted_input_arg): Regno now unsigned.
8642 (store_bit_field, extract_bit_field): Adjust types of pos and size.
8643 (mark_seen_cases): Arg is HOST_WIDE_INT.
8644 * flow.c (verify_wide_reg_1): REGNO now unsigned.
8645 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
8646 precisions and alignments are unsigned.
8647 (optimize_bit_field_compare, fold_truthop): Likewise.
8648 (int_const_binop): Adjust threshold for size_int_type_wide call.
8649 (fold_convert): Likewise.
8650 (size_int_type_wide): Make table larger and fix thinko that only
8651 had half of table used.
8652 (all_ones_mask_p, fold): Precisions are unsigned.
8653 * function.c (put_reg_info_stack): REGNO is unsigned.
8654 (instantiate_decl): Size is HOST_WIDE_INT.
8655 (instantiate_virtual_regs): I is unsigned.
8656 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
8657 (promoted_input_arg): REGNO is unsigned.
8658 * function.h (struct function): x_max_parm_reg is now unsigned.
8659 * gcse.c (max_gcse_regno): Now unsigned.
8660 (struct null_pointer_info): min_reg and max_reg now unsigned.
8661 (lookup_set, next_set): REGNO arg now unsigned.
8662 (compute_hash_table): REGNO and I now unsigned.
8663 (handle_avail_expr): regnum_for_replacing now unsigned.
8664 (cprop_insn): REGNO now unsigned.
8665 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
8666 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
8667 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
8668 * hard-reg-set.h (reg_class_size): Now unsigned.
8669 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
8670 * jump.c (mark_modified_reg): I now unsigned; add cast.
8671 (rtx_equal_for_thread_p): Add cast.
8672 * loop.c (max_reg_before_loop): Now unsigned.
8673 (struct_movable): REGNO now unsigned.
8674 (try_copy_prop): REGNO arg unsigned.
8675 (regs_match_p): XN and YN now unsigned.
8676 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
8677 (strength_reduce): Likewise; NREGS also unsigned.
8678 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
8679 * loop.h (struct iv_class): REGNO now unsigned.
8680 (max_reg_before_loop, first_increment_giv, last_increment_giv):
8682 * machmode.h (mode_size, mode_unit_size): Now unsigned.
8683 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
8684 * optabs.c (expand_binop): I and NWORDS now unsigned.
8685 (expand_unop): I now unsigned.
8686 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
8687 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
8688 * real.c (significand_size): Now returns unsigned.
8689 * real.h (significand_size): Likewise.
8690 * regclass.c (reg_class_size): Now unsigned.
8691 (choose_hard_reg_mode): Both operands now unsigned.
8692 (record_reg_classes): REGNO and NR now unsigned.
8693 (reg_scan): NREGS now unsigned.
8694 (reg_scan_update): old_max_regno now unsigned.
8695 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
8696 * reload.c (find_valid_class): BEST_SIZE now unsigned.
8697 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
8698 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
8699 Likewise for variable R.
8700 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
8701 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
8702 (find_equiv_reg): Add casts.
8703 (regno_clobbered_p): Arg REGNO now unsigned.
8704 * reload.h (struct reload): NREGS now unsigned.
8705 (refers_to_regno_for_reload_p): Regno args are unsigned.
8706 (regno_clobbered_p): Likewise.
8707 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
8708 (compute_use_by_pseudos): REGNO now unsigned.
8709 (find_reg): I and J now unsigned, new variable K, and change loop
8710 variables accordingly; THIS_NREGS now unsigned.
8711 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
8712 (spill_hard_reg): REGNO arg now unsigned; add casts.
8713 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
8714 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
8715 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
8716 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
8717 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
8718 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
8719 (emit_reload_insns): REGNO now unsigned.
8720 (reload_cse_move2add): Add cast.
8721 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
8723 * resource.c (mark_referenced_resources, mark_set_resources): New
8724 variable R; REGNO and LAST_REGNO now unsigned.
8725 (mark_target_live_regs): J and REGNO now unsigned.
8726 * rtl.c (mode_size, mode_unit_size): Now unsigned.
8727 * rtl.h (union rtunion_def): New field rtuint.
8728 (XCUINT): New macro.
8729 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
8730 (operand_subword, operand_subword_force): Word number is unsigned.
8731 (choose_hard_reg_mode): Operands are unsigned.
8732 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
8733 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
8734 (regno_use_in, combine_instructions, remove_death): Likewise.
8735 (reg_scan, reg_scan_update): Likewise.
8736 (extended_count): Return is unsigned.
8737 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
8738 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
8739 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
8740 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
8741 (reg_reg_last_1): FIRS and LAST now unsigned.
8742 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
8743 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
8745 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
8746 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
8747 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
8748 (replace_regs): Arg NREGS now unsigned.
8749 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
8750 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
8751 (simplify_binary_operation): Likewise.
8752 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
8753 THIS_LAST now unsigned.
8754 (cselib_record_set): Add cast.
8755 * ssa.c (ssa_max_reg_num): Now unsigned.
8756 (rename_block): REGNO now unsigned.
8757 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
8759 (all_cases_count): Just return -1 not -2.
8760 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
8761 Rework tests to use trees whenever possible.
8762 Use host_integerp and tree_low_cst.
8763 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
8764 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
8765 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
8766 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
8767 (smallest_mode_for_size): Likewise.
8768 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
8769 KNOWN_ALIGN is now an alignment, so simplify code.
8770 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
8771 (start_record_layout): Renamed from new_record_layout_info.
8772 Update to new fields.
8773 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
8775 (place_union_field): Renamed from layout_union_field.
8776 Update to use new fields in rli.
8777 (place_field): Renamed from layout_field.
8778 Major rewrite to use new fields in rli; pass alignment to layout_decl.
8779 (finalize_record_size): Rework to use new fields in rli and handle
8781 (compute_record_mode): Rework to simplify and to use new DECL fields.
8782 (finalize_type_size): Make rounding more consistent.
8783 (finish_union_layout): Deleted.
8784 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
8785 (layout_type, case RECORD_TYPE): Call new function names.
8786 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
8787 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
8788 (get_best_mode): UNIT is now unsigned; remove casts.
8789 * tree.c (bit_position): Compute from new fields.
8790 (byte_position, int_byte_position): New functions.
8791 (print_type_hash_statistics): Cast to remove warning.
8792 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
8793 (build_index_type): Likewise; make subtype of sizetype.
8794 (build_index_2_type): Pass sizetype to build_range_type.
8795 (build_common_tree_nodes): Use size_int and bitsize_int to
8796 initialize nodes; add bitsize_{zero,one,unit}_node.
8797 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
8798 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
8799 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
8800 (DECL_FIELD_BITPOS): Deleted.
8801 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
8802 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
8803 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
8804 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
8805 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
8806 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
8807 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
8808 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
8809 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
8810 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
8811 (DECL_ALIGN): Adjust to new field in union.
8812 (DECL_OFFSET_ALIGN): New field.
8813 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
8814 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
8815 (union tree_decl): Add struct for both aligns.
8816 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
8817 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
8818 (struct record_layout_info): Rework fields to have offset
8819 alignment and byte and bit position.
8820 (start_record_layout, place_field): Renamed from old names.
8821 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
8822 (byte_position, int_byte_position): Likewise.
8823 (get_inner_reference): Change types of position and length.
8824 * unroll.c (unroll_loop): New variable R; use for some loops.
8825 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
8826 (calculate_giv_inc): Arg REGNO now unsigned.
8827 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
8828 * varasm.c (assemble_variable): Clean up handling of size using
8829 host_integerp and tree_low_cst.
8830 (decode_addr_const): Use byte, not bit, position.
8831 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
8832 use tree_low_cst and int_bit_position.
8833 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
8835 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
8837 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
8838 (reorder_block_def): New members eff_head and eff_end.
8839 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
8840 (verify_insn_chain): New function.
8841 (skip_insns_between_block): Add code to skip deleted insns.
8842 Check for note before using.
8843 (chain_reorder_blocks): Replace calls to skip_insns_between_block
8844 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
8845 Check for note before using.
8846 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
8847 (fixup_reorder_chain): Restructure, clean up, defect removal.
8848 (reorder_basic_blocks): Remove last_insn and references to it.
8849 Moved insn chain verification code into a new function (see above).
8850 Delete defective code that sets last insn.
8851 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
8854 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8856 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
8858 2000-03-24 Richard Henderson <rth@cygnus.com>
8860 * tree.c (lang_safe_for_unsave): Remove.
8861 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
8862 allowing for two levels of unsafeness. Remove lang hook.
8863 * tree.h: Update declarations.
8864 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
8865 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
8866 Always fail sibcalls when there are pending cleanups.
8868 2000-03-24 Geoff Keating <geoffk@cygnus.com>
8870 * flow.c (propagate_block): When we delete an ADDR_VEC,
8871 also delete the BARRIER following it if there is one.
8873 2000-03-24 Richard Henderson <rth@cygnus.com>
8875 * builtins.c (expand_builtin_bzero): Convert `length' argument
8878 2000-03-24 Jakub Jelinek <jakub@redhat.com>
8880 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
8881 comparison if regno's are equal.
8882 * calls.c (initialize_argument_informat): Add ecf_flags argument.
8883 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8884 (expand_call): Update caller.
8885 Avoid making a sibling call if argument size of the callee is larger
8886 than argument size of the caller.
8887 Call hard_function_value with outgoing set if in sibcall pass.
8888 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8890 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
8891 Change LEAF_REGISTERS from an array initializer to actual array
8892 identifier. Move static global variable into the function.
8893 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
8894 sequences for leaf functions.
8895 * global.c (global_alloc): Likewise.
8896 * tm.texi (LEAF_REGISTERS): Update documentation.
8898 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
8899 TARGET_FLAT leaf disabling hack.
8900 (LEAF_REGISTERS): Changed from an array initializer to actual array
8901 identifier to avoid duplication and remove the above hack.
8902 (FUNCTION_OK_FOR_SIBCALL): Define.
8903 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
8904 always like call attribute.
8905 (eligible_for_sibcall_delay): New attribute.
8906 (sibcall): New delay type.
8907 (sibcall, sibcall_value, sibcall_epilogue): New expands.
8908 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
8909 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
8910 * config/sparc/sparc.c (sparc_leaf_regs): New array.
8911 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
8913 (output_function_epilogue): Move part of the code into
8914 output_restore_regs.
8915 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
8917 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
8920 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
8921 until infrastructure is finished.
8923 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8925 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8926 (save_parm_insns): Not here.
8928 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8930 * builtins.c (expand_builtin_bzero): New function.
8931 (expand_builtin): Handle bzero.
8933 * builtins.def: Add BUILT_IN_BZERO.
8935 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8936 prototype & function for bzero.
8938 2000-03-23 Michael Meissner <meissner@redhat.com>
8940 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8941 change adding TARGET_FP to the TF floating point insns, except for
8942 trunctfsf2, which generates direct calls to truncdfsf2.
8944 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8946 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8947 try to protect against middle-end changes that break binary
8949 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8951 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8953 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8955 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8957 * calls.c (expand_call): If TARGET is passed by reference and
8958 is readonly, write a CLOBBER.
8960 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8962 * builtins.c (expand_builtin): Handle bcmp.
8964 * builtins.def: Add BUILT_IN_BCMP.
8966 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8967 prototype & function for bcmp.
8969 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8971 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8972 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8973 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8975 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8977 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8978 alternative when using -fp64 -gp32.
8980 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8982 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8983 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8984 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8986 * frame.h (frame_state): Revert last change.
8987 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8988 * libgcc2.c (throw_helper): Revert last change.
8990 2000-03-22 Richard Henderson <rth@cygnus.com>
8992 * stmt.c (expand_asm_operands): Don't promote the temporary.
8994 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8996 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8997 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8998 c_get_alias_set): Likewise.
8999 * c-decl.c (duplicate_decls): Likewise.
9000 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9001 * calls.c (initialize_argument_information): Likewise.
9002 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9004 * dwarfout.c (decl_class_context,output_type): Likewise.
9005 * expr.c (get_inner_reference): Likewise.
9006 * fold-const.c (simple_operand_p,fold): Likewise.
9007 * function.c (aggregate_value_p): Likewise.
9008 * stmt.c (expand_asm_operands): Likewise.
9009 * varasm.c (named_section): Likewise.
9011 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9013 Implement dwarf2 exception handling for the ARM.
9014 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9015 (DWARF_FRAME_RETURN_COLUMN): Define.
9016 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9017 REG_FRAME_RELATED_EXPR note.
9018 (emit_sfm): Likewise.
9019 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9020 * dwarf2out.c (reg_save): Handle saving a register to itself.
9021 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9022 * except.c (eh_regs): Don't use the static chain reg if it's
9024 * frame.h (frame_state): Add cfa_saved field.
9025 * frame.c (execute_cfa_insn): Set it.
9026 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9028 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9030 (instantiate_virtual_regs): Adjust.
9032 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9033 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9034 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9036 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9037 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9039 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9041 * builtins.def: New file.
9043 * Makefile.in (TREE_H): Depend on builtins.def.
9045 * builtins.c (built_in_names): Use builtins.def.
9047 * tree.h (built_in_function): Likewise.
9049 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9051 * tree.c (size_in_bytes): Return size_zero_node, not
9054 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9056 * config/fp-bit.c (pack_d): Correct the case when a denormal
9057 is rounded up and stops being denormal.
9059 2000-03-21 Richard Henderson <rth@cygnus.com>
9061 * config/alpha/alpha.c (function_arg): Check for void_type_node
9062 before using MUST_PASS_IN_STACK.
9064 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9066 * regmove.c (combine_stack_adjustments_for_block): Check that
9067 the stack pointer is a valid memory address.
9069 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9071 * calls.c: re-install Mar 16 emit_library_call merge.
9073 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9075 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9076 we cannot be sure that if reload_completed base register will
9077 be properly aligned.
9079 2000-03-21 Richard Henderson <rth@cygnus.com>
9081 * flow.c (delete_block): Fix typo last change.
9083 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9085 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9086 not COMPLETE_TYPE_P, to check the type of the expression.
9088 2000-03-21 Michael Meissner <meissner@redhat.com>
9090 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9091 all floating point insns that just tested the macro
9092 TARGET_HAS_XFLOATING_LIBS.
9093 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9094 used to only use the gprs.
9096 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9098 * tree.h (COMPLETE_TYPE_P): New macro.
9099 (COMPLETE_OR_VOID_TYPE_P): New macro.
9100 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9101 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9102 * c-aux-info.c (gen_type): Use them.
9103 * c-common.c (c_expand_expr_stmt): Likewise.
9104 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9105 grokdeclarator, grokparms, finish_struct, start_function,
9106 store_parm_decls, combine_parm_decls): Likewise.
9107 * c-parse.y (cast_expr): Likewise.
9108 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9109 c_size_in_bytes, c_alignof, build_component_ref,
9110 build_indirect_ref, build_array_ref, convert_arguments,
9111 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9112 * calls.c (initialize_argument_information): Likewise.
9113 * convert.c (convert_to_integer): Likewise.
9114 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9115 * dwarfout.c (location_or_const_value_attribute,
9116 output_enumeration_type_die, output_structure_type_die,
9117 output_union_type_die, output_type): Likewise.
9118 * expr.c (safe_from_p, expand_expr): Likewise.
9119 * function.c (assign_parms): Likewise.
9120 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9121 * tree.c (build_array_type, build_function_type,
9122 build_method_type, build_offset_type, build_complex_type): Likewise.
9123 * c-parse.c, c-parse.h: Regenerated.
9125 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9127 * config/c4x/rtems.h: Include config/rtems.h.
9129 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9131 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9132 decl is a FUNCTION_DECL
9134 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9136 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9137 function uses output registers. Don't save RP for leaf functions.
9138 Do save RP even if no epilogue.
9139 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9140 (CALL_USED_REGISTERS): Unmark in registers.
9141 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
9144 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9146 * config/rs6000/rs6000.md (bunordered): New expander.
9147 (bordered): New expander.
9148 (buneq): New expander.
9149 (bunge): New expander.
9150 (bungt): New expander.
9151 (bunle): New expander.
9152 (bunlt): New expander.
9153 (bltgt): New expander.
9155 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9156 (ccr_bit_negated_p): New function.
9157 (print_operand): For %C, generate appropriate cror for UNEQ,
9158 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
9160 2000-03-20 Andreas Jaeger <aj@suse.de>
9162 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9165 * tree.h (safe_for_unsave): Prototype.
9167 2000-03-20 Richard Henderson <rth@cygnus.com>
9169 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9170 (combine_stack_adjustments_for_block): Don't allow sp references
9171 in the side of a set we're not fixing up.
9172 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9173 after life_analysis.
9175 2000-03-20 Richard Henderson <rth@cygnus.com>
9177 * calls.c (expand_call): Don't bother generating tail call
9178 sequences if there are pending cleanups. Use
9179 expand_start_target_temps/expand_end_target_temps to elide
9180 cleanups created during sibcall expansion.
9182 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9184 * configure.in: Set $IFS to a value if it doesn't already have one
9185 in the --enable-checking handling.
9186 * configure: Regenerate.
9188 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9190 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9191 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9194 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
9196 * jump.c (delete_noop_moves): Remove code attempting to
9197 combine stack adjustments.
9199 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9201 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9202 * except.c (emit_cleanup_handler): Use them.
9203 (expand_end_all_catch): Likewise.
9204 * function.c (fixup_var_refs): Likewise.
9205 (expand_function_end): Clear catch_clauses_last.
9206 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9207 * except.h (struct eh_status): New field x_catch_clauses_last.
9208 (catch_clauses_last): New define.
9210 * Makefile.in (tree.o): Depend on HASHTAB_H.
9211 * tree.c: Include hashtab.h.
9212 (struct type_hash): Remove next field.
9213 (TYPE_HASH_SIZE): Remove.
9214 (TYPE_HASH_INITIAL_SIZE): New define.
9215 (type_hash_table): Change type to htab_t.
9216 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
9217 mark_hash_entry): New functions.
9218 (init_obstacks): Allocate type hash.
9219 (type_hash_lookup): Use htab functions.
9220 (type_hash_add, mark_type_hash): Likewise.
9221 (dump_tree_statistics): Call print_type_hash_statistics.
9223 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9225 * rs6000/t-aix41: New file.
9227 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
9229 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
9231 * tm.texi (Driver): Fix typos and tweak entry for
9233 Move misplaced STRUCT_FORCE_BLK entry ...
9234 (Storage Layout): ... to here.
9235 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
9237 2000-03-19 Richard Henderson <rth@cygnus.com>
9239 * flow.c (delete_block): Delete the addr_vec along with the block.
9240 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
9243 * fold-const.c (extract_muldiv): Apply type check for defined
9244 overflow to multiply as well as divide.
9246 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
9248 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9250 * emit-rtl.c (remove_unncessary_notes): Check that all
9251 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
9252 associated NOTE_BLOCK.
9253 * function.h (identify_blocks): Update comments.
9254 (reorder_blocks): Declare.
9255 * function.c (identify_blocks): Don't take paramters.
9256 (reorder_blocks): Don't take parameters.
9257 * loop.h (find_loop_tree_blocks): Remove.
9258 (unroll_block_trees): Likewise.
9259 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
9260 reorder_blocks instead of unroll_block_trees.h
9261 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
9262 * stmt.c (find_loop_tree_blocks): Remove.
9263 (unroll_block_trees): Likewise.
9264 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
9265 in whole-function mode.
9266 * tree.h (reorder_blocks): Remove declaration.
9268 * expr.c: Include intl.h.
9269 * Makefile.in (expr.o): Depend on intl.h.
9271 2000-03-18 Richard Henderson <rth@cygnus.com>
9273 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
9275 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9277 * tree.h (tree_index): Remove enumerals for integer types.
9278 (integer_type_kind): New type.
9279 (integer_types): New variable.
9280 (char_type_node): Adjust.
9281 (signed_char_type_node): Likewise.
9282 (unsigned_char_type_node): Likewise.
9283 (short_integer_type_node): Likewise.
9284 (short_unsigned_type_node): Likewise.
9285 (integer_type_node): Likewise.
9286 (unsigned_type_node): Likewise.
9287 (long_integer_type_node): Likewise.
9288 (long_unsigned_type_node): Likewise.
9289 (long_long_integer_type_node): Likewise.
9290 (long_long_unsigned_type_node): Likewise.
9291 * tree.c (integer_types): New variable.
9292 (init_obstacks): Register it as a root.
9294 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
9296 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
9297 NEXT_INSN. Update last insn in chain.
9299 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
9301 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
9302 with TYPE_DECL_SUPPRESS_DEBUG set.
9304 2000-03-18 Richard Henderson <rth@cygnus.com>
9306 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
9308 2000-03-18 Richard Henderson <rth@cygnus.com>
9310 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
9311 care for HALF_PIC_P.
9312 (expander_call_insn_operand): Remove.
9313 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
9314 * i386.h (PREDICATE_CODES): Update.
9315 * i386.md (all call expanders): Remove predicates, remove special
9316 handling for half-pic.
9317 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
9318 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
9319 (sibcall_epilogue): New.
9321 2000-03-17 Richard Henderson <rth@cygnus.com>
9323 * rtlanal.c (single_set): Reject if the parallel has anything
9324 except SET or USE or CLOBBER.
9326 2000-03-17 Jeff Law <law@cygnus.com>
9327 Richard Henderson <rth@cygnus.com>
9329 * Makefile.in (OBJS): Add sibcall.o.
9331 * sibcall.c: New file.
9332 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
9333 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
9334 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
9335 Emit sibcall patterns when requested. Update all callers.
9336 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
9337 elimination seems feasable.
9338 * final.c (leaf_function_p): Sibling calls don't discount being
9340 * flow.c (HAVE_sibcall_epilogue): Provide default.
9341 (find_basic_blocks_1): Sibling calls don't throw.
9342 (make_edges): Make edge from sibling call to EXIT.
9343 (propagate_block): Don't remove sibcall_epilogue insns.
9344 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
9345 (sibcall_epilogue): New.
9346 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
9347 (identify_blocks_1): Likewise. Break out from ...
9348 (identify_blocks): ... here.
9349 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
9350 (reorder_blocks): ... here.
9351 (init_function_for_compilation): Zap prologue/epilogue as varrays.
9352 (record_insns): Extend a varray instead of mallocing new memory.
9353 (contains): Read a varray not array of ints.
9354 (sibcall_epilogue_contains): New.
9355 (thread_prologue_and_epilogue_insns): Emit and record
9356 sibcall_epilogue patterns.
9357 (init_function_once): Allocate prologue/epilogue varrays.
9358 * genflags.c (gen_insn): Treat sibcall patterns as calls.
9359 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
9361 (save_for_inline_nocopy): ... here.
9362 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
9364 (expand_inline_function): ... here.
9365 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
9366 (subst_constants): Handle 'n' formats.
9367 * jump.c (jump_optimize_minimal): New.
9368 (jump_optimize_1): New arg `minimal'; update callers. Elide most
9369 optimizations if it's set.
9370 * rtl.c (copy_rtx): Do copy jump & call for insns.
9371 * rtl.h (struct rtx_def): Document use of jump and call for insns.
9372 (SIBLING_CALL_P): New.
9373 (sibcall_use_t): New.
9374 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
9375 Invoke optimize_sibling_and_tail_recursive_calls.
9376 * tree.c (lang_safe_for_unsave): New.
9377 (safe_for_unsave): New.
9378 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
9380 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
9381 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
9382 (*sibcall_osf_1, *sibcall_value_osf_1): New.
9384 2000-03-17 Mark Mitchell <mark@codesourcery.com>
9386 * objc/objc-act.c (encode_method_prototype): Pass types, not
9387 PARM_DECLs, to int_size_in_bytes.
9389 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
9391 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9393 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9394 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9396 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9398 * Clean up usages of TREE_INT_CST_LOW.
9399 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9400 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9402 * c-tree.h (min_precision): Move declaration to here.
9403 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9404 (build_unary_op, add_pending_init): Use bit_position.
9405 (pending_init_member, process_init_element): Likewise.
9406 (really_start_incremental_init, push_init_level, pop_init_level):
9407 Don't make copies of nodes or modify them in place, use consistent
9408 types when tracking positions, and use tree routines computations.
9409 (set_init_index, output_init_element): Likewise.
9410 (output_pending_init_elements, process_init_element): Likewise.
9411 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9412 tree_low_cst and int_bit_position; also minor cleanup.
9413 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9414 (print_cst_octal): Precision is unsigned.
9415 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9416 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9417 (simple_type_align_in_bits): Result is unsigned int.
9418 Use tree_int_low_cst and host_integerp.
9419 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9420 (field_byte_offset): Result is HOST_WIDE_INT.
9421 Change types of internal variables so alignments are unsigned int,
9422 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9423 Use host_integerp, tree_low_cst, and int_bit_position.
9424 (add_bit_offset_attribute): Likewise.
9425 (add_data_member_location_attribute): Use tree_cst_low.
9426 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9427 (add_bit_size_attribute): Use tree_low_cst.
9428 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9429 * dwarfout.c: Similar changes to dwarf2out.c.
9430 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9431 * genoutput.c (n_occurences): Return -1 for null string.
9432 (strip_whitespace): Accept null string and make into function.
9433 (scan_operands): Reflect above changes.
9434 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9435 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9436 * ssa.c (rename_registers): Add missing cast of arg to bzero.
9437 * tree.c (int_size_in_bytes): Check for too big to represent.
9438 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9439 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9441 (min_precision): Delete from here.
9442 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
9443 and int_bit_position.
9444 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9445 (encode_method_def): Likewise.
9446 (build_ivar_list_initializer): Use int_bit_position.
9447 (generate_shared_structures): Convert size.
9448 (encode_type, encode_complete_bitfield): Use integer_zerop.
9449 (encode_bitfield): Use tree_low_cst and int_bit_position.
9451 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9453 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
9455 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9457 * call.c (special_function_p): It is only malloc if it returns
9460 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9462 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9463 (C33_FLAG, TARGET_C3X): Add macros.
9464 (TARGET_SWITCHES): Add -m33 option.
9465 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
9467 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9469 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
9470 (PARALLEL_PACK_FLAG): Delete.
9471 (TARGET_SWITCHES): Update.
9472 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
9474 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9476 * fold-const.c (fold): Fix a few cases when the returned result
9477 is not of the same type as the input.
9479 2000-03-16 Nick Clifton <nickc@cygnus.com>
9481 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
9484 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9486 * libgcc2.h: Move prototypes above macros with the same name.
9487 Wrap some function prototypes in the conditional which indicates
9488 whether they are supported, i.e. "BITS_PER_UNIT == 8".
9490 2000-03-16 Richard Henderson <rth@cygnus.com>
9492 * calls.c: Revert last two changes.
9494 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
9496 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
9497 has exponent 0 is a zero.
9499 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
9500 HASH may already be nonzero. Add code/mode into hash value
9501 immediately after repeat label.
9502 (cselib_lookup): Don't leave the hash table in an inconsistent
9503 state before a hash lookup operation.
9505 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
9507 * i386.md (all HI and QI mode non-move patterns): Conditionize
9508 by TARGET_[HQ]IMODE_MATH.
9509 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9510 x86_promote_qi_regs): Declare.
9511 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
9512 TARGET_PROMOTE_QI_REGS): New macros.
9513 (PROMOTE_MODE): New macro.
9514 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9515 x86_promote_qi_regs): New global variables.
9517 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
9519 * calls.c (emit_library_call_value_1): Break out from ...; handle
9520 VOIDmode function calls too.
9521 (emit_library_call_value): ... here.
9522 (emit_library_call): Implement by calling emit_library_call_value_1.
9524 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
9526 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
9527 Update arg_space_so_far on stack adjustments.
9528 (emit_library_call, emit_library_call_value): Likewise; take into
9529 account arg_space_so_far and pending_stack_adjust when calculcating
9532 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
9534 * flow.c: Move all basic block reordering code into its own file.
9535 (create_basic_block): Externalize.
9536 * bb-reorder.c: New file. Copy all basic block reordering code from
9537 flow.c to this file.
9538 (reorder_basic_blocks): Fix fencepost error in for-loop.
9539 (reorder_basic_blocks): Remove braces from single statement for-loops.
9540 * basic-block.h: Add declaration for create_basic_block.
9541 * Makefile.in: Add rules for bb-reorder.o.
9543 2000-03-16 Neil Booth <NeilB@earthling.net>
9545 * cppinit.c (handle_option): Implement #unassert directive
9546 as -A- command line option.
9547 (print_help): Update.
9548 * cpptexi.c: Update.
9550 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
9552 * md.texi (Standard Names): Document `jump'.
9554 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9556 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
9559 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9561 Merge changes from newppc-branch onto trunk.
9563 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9565 * rs6000.c (toc_hash_table): Update for new hash table functions.
9566 (toc_hash_function): Likewise.
9567 (toc_hash_eq): Likewise.
9568 (toc_hash_mark_entry): Likewise.
9569 (toc_hash_mark_table): Likewise.
9570 (output_toc): Likewise.
9571 (rs6000_add_gc_roots): Likewise.
9573 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9575 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
9576 (AR_FLAGS_FOR_TARGET): here. New macro.
9578 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
9580 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
9581 fpmem_operand) Delete.
9583 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
9584 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
9585 (rs6000_save_machine_status, rs6000_restore_machine_status,
9586 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
9587 references to above variables.
9588 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
9589 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
9590 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
9591 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
9592 (XER_REGNO_P, XER_REGNO): New.
9593 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
9594 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
9595 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
9597 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9598 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
9599 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
9601 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9603 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
9604 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
9605 * rs6000.h: from here.
9607 * rs6000-protos.h (rs6000_select_section): Provide prototype.
9608 (rs6000_select_rtx_section): Likewise.
9609 (rs6000_encode_section_info): Likewise.
9610 (sdata_section): Likewise.
9611 (sdata2_section): Likewise.
9612 (sbss_section): Likewise.
9613 * sysv4.h (rs6000_select_section): Delete prototype.
9614 (rs6000_select_rtx_section): Likewise.
9615 (rs6000_encode_section_info): Likewise.
9616 (sdata_section): Likewise.
9617 (sdata2_section): Likewise.
9618 (sbss_section): Likewise.
9619 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
9621 * sysv4.h: Delete various unnecessary #undef's and put a comment
9622 on the remaining ones.
9623 Change various comments according to coding standard.
9625 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
9627 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
9628 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
9629 (CR0_REGNO_P) Remove.
9630 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
9631 setup_incoming_varargs, mtcrf_operation, print_operand,
9632 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
9633 Use the above macros.
9635 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
9637 * config/rs6000/rs6000.md: Added a new alternative for each
9638 pattern that had a 'x' alternative but no 'y' alternative.
9639 Added a new split for each of the above patterns.
9641 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9643 * aix41.h (ASM_CPU_SPEC): Delete.
9644 (CPP_CPU_SPEC): Delete.
9646 * aix.h (RS6000_OUTPUT_BASENAME): Define.
9647 (ASM_OUTPUT_LABEL): Define.
9648 (ASM_GLOBALIZE_LABEL): Define.
9649 (STRIP_NAME_ENCODING): Define.
9650 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
9651 (STRIP_NAME_ENCODING): Don't define.
9652 (ASM_OUTPUT_LABEL): Don't define.
9653 (ASM_GLOBALIZE_LABEL): Don't define.
9654 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
9655 names, and ASM_OUTPUT_LABEL to output labels, rather than
9657 (ASM_OUTPUT_LABEL): Define.
9658 (ASM_OUTPUT_INT): Use assemble_name.
9659 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
9660 (STRIP_NAME_ENCODING): Don't undefine first.
9661 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
9663 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
9664 specified with 'asm' even with -fleading-underscore.
9665 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
9666 (output_epilog): Likewise.
9667 (output_toc): Likewise.
9668 * tramp.asm: Handle -fleading-underscore correctly.
9670 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
9672 (nonlocal_goto_receiver): Delete.
9673 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
9675 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
9676 (SET_ASM_OP): Define.
9677 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
9679 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
9682 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
9683 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
9685 * rs6000.h: Add 'u' to more constants.
9687 2000-02-18 David Edelsohn <edelsohn@gnu.org>
9689 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
9691 2000-02-15 David Edelsohn <edelsohn@gnu.org>
9693 * rs6000.c (reg_or_u_cint_operand): New function.
9694 (logical_operand): Handle 64-bit hosts.
9695 (logical_u_operand): New function.
9696 (non_logical_cint_operand): Handle 64-bit hosts.
9697 (non_logical_u_cint_operand): New function.
9698 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
9699 (PREDICATE_CODES): Define new functions.
9700 * rs6000-protos.h: Declare new functions.
9701 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
9702 (movdi_64): Bracket code intended for 64-bit hosts. Create
9703 CONST_DOUBLE for 32-bit values.
9704 (scc insns): Generate DImode compares.
9705 (mfcr insns): Create DImode versions.
9706 (sge matchers): New patterns.
9708 2000-02-15 Gabriel Paubert <paubert@iram.es>
9710 * rs6000.md: Correct instructions length attributes and
9711 constraints on unsigned compare instructions.
9712 (*ne0): Disable for PowerPC64.
9714 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9716 * rs6000.c (output_function_profiler): Use .long for a 32-bit
9717 quantity, fix profile1.C test failure under -fPIC.
9719 * rs6000.c: Add 'u' to many constants to suppress warnings.
9720 (constant_pool_expr_1): Make static.
9721 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
9722 * rs6000.h: Add 'u' to many constants to suppress warnings.
9724 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
9725 for the start of the TOC, instead of LCTOC..0.
9726 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
9728 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
9729 (load_toc_aix_di): Use LCTOC..1.
9731 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
9732 * rs6000.c (rs6000_legitimize_address): New function from
9733 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
9734 symbols in the constant pool that really are TOC references.
9735 (print_operand_address): For ELF, write TOC offsets under
9736 -fPIC as subtractions in the insn.
9737 (output_toc): For ELF, define symbols in TOC as normal labels,
9739 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
9740 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
9741 (create_TOC_reference): Prototype only when RTX_CODE is defined.
9742 * rs6000.md (movsi): Only use create_TOC_reference on
9743 symbols in the constant pool that really are TOC references.
9745 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
9746 * rs6000.c (rs6000_reorg): Delete.
9747 * rs6000-protos.h (rs6000_reorg): Delete.
9749 2000-02-09 Geoff Keating <geoffk@cygnus.com>
9751 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
9753 * aix.h (SETUP_FRAME_ADDRESSES): Define.
9754 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
9755 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
9756 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
9757 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
9758 rs6000_aix_emit_builtin_unwind_init.
9759 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
9760 rs6000_emit_eh_toc_restore on AIX.
9761 (return_eh_si): Use r2.
9762 (return_eh_di): Use r2.
9764 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
9765 since we're breaking binary compatibility anyway.
9767 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9769 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
9770 constant_pool_expr_p): Declare them.
9771 (constant_pool_expr_p): Declare it.
9772 * config/rs6000/rs6000.c (toc_label_name): Define.
9773 (rs6000_override_options): Set toc_label_name.
9774 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
9775 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
9776 uses_TOC): New functions.
9777 (print_operand): Delete old '*' case.
9778 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
9779 and strip off rtl for TOC before calling output_addr_const.
9780 (rs6000_emit_load_toc_table): Use toc_label_name.
9781 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
9783 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
9784 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
9785 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
9786 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
9787 into explicit TOC_REGISTER offsets.
9788 (TOC_REGISTER): New macro.
9789 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
9790 TARGET_TOC to reference TOC_REGISTER.
9791 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
9792 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
9793 uses_TOC before emitting label references.
9795 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9797 * rs6000.md (stack_tie): Fix warning.
9799 * eabi-ctors.c: Use 'asm' names for the start/end variables,
9800 to handle -fleading-underscore.
9801 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
9802 (USER_LABEL_PREFIX): New macro.
9803 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
9804 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
9805 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
9806 call-linux can use the same multilibs.
9807 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
9808 and call-linux multilibs. Do multilib with -fleading-underscore.
9809 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
9810 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
9813 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
9814 have MASK_SOFT_FLOAT set.
9815 (CPP_FLOAT_DEFAULT_SPEC): New macro.
9816 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
9817 CPP_FLOAT_DEFAULT_SPEC.
9819 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
9820 * rs6000.md: Whitespace change.
9821 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
9822 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
9824 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9826 * rs6000.md (eh_epilogue): New expander.
9827 (eh_reg_restore): New expand/split/insn combination.
9828 (return_eh_si): New insn.
9829 (return_eh_di): New insn.
9831 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
9832 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
9833 * eabi-ctors.c (__do_global_ctors): Register this object's
9834 frame. Clean up. Call atexit() after the constructors.
9835 (__do_global_dtors): Deregister this object's frame. Clean up.
9836 Allow for recursive calls to exit().
9837 * rs6000.c (fixuplabelno): New variable.
9838 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
9839 TARGET_RELOCATABLE, it slows down exec() under linux.
9840 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
9842 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
9843 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
9844 (ASM_OUTPUT_DWARF_DELTA2): New macro.
9845 (ASM_OUTPUT_DWARF_DELTA4): New macro.
9846 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
9847 (ASM_OUTPUT_DWARF_ADDR): New macro.
9848 (ASM_OUTPUT_DWARF_DATA4): New macro.
9849 (ASM_OUTPUT_DWARF_DATA2): New macro.
9850 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
9851 (ASM_OUTPUT_DWARF_OFFSET): New macro.
9852 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
9854 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9856 * rs6000.c (rs6000_sr_alias_set): New variable.
9857 (rs6000_override_options): Initialise rs6000_sr_alias_set.
9858 (rs6000_emit_stack_tie): New function.
9859 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
9860 in a way that dwarf2out can understand.
9861 (rs6000_frame_related): New function.
9862 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
9863 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
9864 Use rs6000_emit_stack_tie when needed.
9865 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
9866 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
9867 * rs6000.md (stack_tie): New insn.
9868 (return_internal_si): Allow return value to be in the count
9870 (return_internal_di): Likewise.
9872 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
9874 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9876 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
9878 2000-01-31 Geoff Keating <geoffk@cygnus.com>
9880 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
9882 * rs6000.md (stmw): Use the right POWER opcode.
9885 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9887 * rs6000-protos.h: New file.
9889 * rs6000.c: Include tm_p.h. Fix compile time warnings.
9891 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
9894 * sysv4.h: Likewise.
9896 2000-01-28 Geoff Keating <geoffk@cygnus.com>
9898 * ../../configure.in: Delete powerpcle-*-winnt*
9899 and powerpcle-*-pe|powerpcle-*-cygwin*.
9900 * ../../configure: Regenerated.
9902 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
9903 (TARGET_WINDOWS_NT): Delete.
9905 (CALL_NT_DLLIMPORT): Delete.
9906 Delete NT-specific code.
9907 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
9910 * nt-ci.asm: Delete.
9911 * nt-cn.asm: Delete.
9912 * ntstack.asm: Delete.
9914 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9916 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
9917 (ASM_FILE_START): Likewise.
9918 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9919 (ASM_OUTPUT_LABELREF): Likewise.
9920 (ASM_OUTPUT_SKIP): Likewise.
9921 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
9922 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9923 (ASM_OUTPUT_CASE_LABEL): Likewise.
9924 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9925 (ASM_OUTPUT_ASCII): Likewise.
9927 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9929 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9930 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9931 increment rs6000_pic_labelno here.
9932 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9933 and increment rs6000_pic_labelno here.
9935 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9937 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9938 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9939 allocation knows (reg) is dead before the insn.
9941 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9943 * rs6000.md (movsi_to_cr): Correct typo in output template.
9945 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9947 * rs6000.c (rs6000_pic_labelno): Always define.
9948 (rs6000_pic_func_labelno): Delete.
9949 (lmw_operation): Check for a zero base register,
9950 which doesn't mean what we want.
9951 (stmw_operation): New function.
9952 (print_operand): Define new 'l' modifier.
9953 (rs6000_stack_info): We must save all 64 bits of the registers
9954 if TARGET_POWERPC64.
9955 (rs6000_output_load_toc_table): Delete.
9956 (rs6000_emit_load_toc_table): New function.
9957 (rs6000_allocate_stack_space): Delete.
9958 (rs6000_emit_allocate_stack): New function.
9959 (rs6000_emit_prologue): New function.
9960 (output_prolog): Use rs6000_emit_prologue.
9961 (rs6000_emit_epilogue): Change a few variable names to be
9962 more accurate. Restore all 64 bits of the registers if
9963 TARGET_POWERPC64. Only restore the FP registers which were used
9964 if they are being saved/restored one-at-a-time.
9965 (output_mi_thunk): Delete inefficient code generation.
9966 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9967 * rs6000.h: Declare rs6000_emit_load_toc_table,
9968 rs6000_allocate_stack_space, stmw_operation. Don't declare
9969 rs6000_output_load_toc_table.
9970 * rs6000.md (elf_high): Allow register 0, but discourage it
9972 (elf_low): Support loading into register 0.
9973 (load_toc_aix_si): New pattern.
9974 (load_toc_aix_di): New pattern.
9975 (load_toc_v4_pic_si): New pattern.
9976 (load_toc_v4_pic_di): New pattern.
9977 (load_toc_v4_PIC_1): New pattern.
9978 (load_toc_v4_PIC_1b): New pattern.
9979 (load_toc_v4_PIC_2): New pattern.
9980 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9981 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9982 (prologue): New expander.
9983 (movesi_from_cr): New pattern.
9984 (stmw): New pattern.
9985 (save_fpregs_si): New pattern.
9986 (save_fpregs_di): New pattern.
9988 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9990 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9995 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9997 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9999 (movsi_got_internal): Likewise.
10000 (movsi_got_internal+1): Likewise.
10001 (set_sp): 'unspec 7' does a SImode clobber.
10003 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10005 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10006 allocate a stack temporary.
10007 (floatsidf2_internal): Likewise.
10008 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10010 (floatunssidf2): Don't use the fpmem "register", just
10011 allocate a stack temporary.
10012 (floatunssidf2_internal): Likewise.
10013 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10015 (floatsidf2_loadaddr): Delete.
10016 (floatsidf2_store1): Delete.
10017 (floatsidf2_store2): Delete.
10018 (floatsidf2_load): Delete.
10019 (fix_truncdfsi2): Don't use the fpmem "register", just
10020 allocate a stack temporary.
10021 (fix_truncdfsi2_internal_si): Delete.
10022 (fix_truncdfsi2_internal_di): Delete.
10023 (fix_truncdfsi2_internal): New insn.
10024 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10025 (fix_truncdfsi2_store): Delete.
10026 (fix_truncdfsi2_load): Delete.
10027 (fctiwz): Produce gen_fctiwz.
10029 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10031 * eabi.h (INVOKE__main): Define.
10032 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10034 (rs6000_emit_prologue): Likewise.
10035 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10036 this is the main program.
10038 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10040 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10042 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10044 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10045 goes after the argument.
10047 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10049 * rs6000.md: Document 'unspec' values used.
10050 (epilogue): New expander.
10051 (movesi_to_cr_one): New expander.
10052 (movesi_to_cr and following): New pattern.
10053 (lmw): New pattern.
10054 (return_internal_si): New pattern.
10055 (return_internal_di): New pattern.
10056 (return_and_restore_fpregs_si): New pattern.
10057 (return_and_restore_fpregs_di): New pattern.
10058 * rs6000.h: Declare new functions.
10059 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10060 rather than rs6000_calls_p.
10061 (rs6000_makes_calls): Delete.
10062 (lmw_operation): New function.
10063 (mtcrf_operation): New function.
10064 (rs6000_emit_epilogue): New function.
10065 (output_epilog): Call rs6000_emit_epilogue and final if
10066 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10068 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10070 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10071 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10072 * aix.h (SUBTARGET_SWITCHES): Document switches.
10073 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10074 sched-prolog and sched-epilog the same. Document all the
10076 (TARGET_OPTIONS): No longer allow -mdebug-.
10078 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10080 * rs6000.h (ASM_FILE_END): Move to aix.h.
10081 (EXTRA_SECTIONS): Move to aix.h.
10082 (READONLY_DATA_SECTION): Move to aix.h.
10083 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10084 (SELECT_SECTION): Move to aix.h.
10085 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10086 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10087 (LINK_REGISTER_REGNUM): New definition.
10088 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10089 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10091 * sysv4.h: Delete the code between the inclusion of rs6000.h
10093 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10094 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10095 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10096 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10097 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10098 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10099 (fix_truncdfsi2_internal_di): New pattern.
10100 (fix_truncdfsi2_store): The second arg here is Pmode too.
10101 (fix_truncdfsi2_load): The second arg here is Pmode too.
10102 (tablejumpdi): Now that switch tables hold only SImode values,
10103 gcc needs to know how to add them to the pc which is DImode.
10104 * rs6000.c (rs6000_stack_info): Use symbolic name for
10105 LINK_REGISTER_REGNUM.
10106 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10107 (output_toc): Delete unused variables s1 and s2.
10108 (output_ascii): Use fputs not fprintf on a variable string.
10110 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10112 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10113 * aix43.h: Revert Aug 2 change.
10114 (HAS_INIT_SECTION): Define, not visible yet.
10115 (LD_INIT_SWITCH): Define, not visible yet.
10116 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10118 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10120 * config/rs6000/rtems.h: Include config/rtems.h.
10122 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10124 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10125 (SLOW_UNALIGNED_ACCESS): Define.
10126 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10127 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10128 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10129 (toc_section): Likewise and .toc pseudo-op.
10130 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10132 (TEXT_SECTION_ASM_OP): Likewise.
10133 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10136 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10138 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10139 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10142 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10144 * rs6000.h: Move more stuff from here...
10146 * sysv4.h: Cleanup accordingly.
10147 * netware.h: Likewise
10149 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10151 * rs6000.h: Continue cleanup.
10153 * lynx.h: Likewise.
10154 * netware.h: Likewise.
10155 * sol2.h: Likewise.
10156 * sysv4.h: Likewise.
10157 * win-nt.h: Likewise.
10159 * rs6000.h (TARGET_SWITCHES): Add descriptions.
10160 (TARGET_OPTIONS): Likewise.
10162 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10163 (SUBTARGET_OPTIONS): Likewise.
10165 * rs6000.md: Fix compile time warnings.
10167 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10169 vxworks patches from the Cygnus tree originally by
10170 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10171 <vmakarov@cygnus.com>.
10172 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10173 (ENDFILE_SPEC): Likewise.
10174 (LIB_VXWORKS_SPEC): New macro.
10175 (STARTFILE_VXWORKS_SPEC): New macro.
10176 (ENDFILE_VXWORKS_SPEC): New macro.
10177 (LINK_START_VXWORKS_SPEC): New macro.
10178 (LINK_OS_VXWORKS_SPEC): New macro.
10179 (CPP_OS_VXWORKS_SPEC): New macro.
10180 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10181 * vxppc.h: Rewrite to use proper configuration method.
10182 * vxppcle.h: New file.
10183 * ../../configure.in: Add powerpcle-wrs-vxworks*.
10184 * ../../configure: Rebuilt.
10186 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10188 Lots of changes to rs6000.h, sysv4.h, aix.h,
10189 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10190 with the aim that rs6000.h is the first header
10191 included and the others override it.
10194 * x-aix41-gld: Remove.
10196 * x-aix41: Remove target-specific switches, and don't specify
10197 -Wl,-bbigtoc as we don't need it any more.
10198 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10199 Use t-aix43 for AIX 4.3 and above.
10200 * ../../configure: Regenerated.
10202 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10203 options, that don't do anything yet.
10204 (MASK_SCHED_PROLOG): New macro.
10205 (MASK_SCHED_EPILOG): New macro.
10206 (TARGET_SCHED_PROLOG): New macro.
10207 (TARGET_SCHED_EPILOG): New macro.
10209 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10211 * rs6000.c: Correct comment, the `minimal' TOCs are actually
10212 one per translation unit, not one per function.
10213 (output_toc): Also do duplicate constant elimination
10214 for per-translation-unit TOCs.
10216 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
10217 a comment explaining _exactly_ when this pattern gets used.
10218 (builtin_setjmp_receiver): New pattern for better clarity.
10219 (init_v4_pic): Move it into a section dealing with TOC registers.
10221 1999-12-30 Geoff Keating <geoffk@cygnus.com>
10223 * rs6000.c (toc_hash_table): New variable.
10224 (rs6000_hash_constant): New function.
10225 (toc_hash_function): New function.
10226 (toc_hash_eq): New function.
10227 (toc_hash_mark_entry): New function.
10228 (toc_hash_mark_table): New function.
10229 (output_toc): Don't output duplicate TOC entries in
10231 (rs6000_add_gc_roots): Add the hash table as a GC root.
10232 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
10233 where they clearly shouldn't be. This may need to be fixed
10234 later when there is a GNU ar for AIX.
10235 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
10236 Don't define BOOT_LDFLAGS as it is now not necessary.
10238 1999-12-29 Geoff Keating <geoffk@cygnus.com>
10240 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
10241 for va_list on AIX. Use unsigned_char_type_node rather than
10242 constructing our own version on svr4.
10244 1999-12-17 Geoff Keating <geoffk@cygnus.com>
10246 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
10247 since patently it's not.
10249 1999-12-08 Geoff Keating <geoffk@cygnus.com>
10251 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
10252 define_expand/define_insn pair, and handle restore of the
10253 SVR4 -fpic register.
10255 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
10257 * acconfig.h (HAVE_GAS_WEAK): New define.
10258 * configure.in (assembler weak support): Check for .weak support.
10259 * config.in, configure: Rebuilt.
10260 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
10261 HAVE_GAS_WEAK is defined.
10263 2000-03-15 Nick Clifton <nickc@cygnus.com>
10265 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
10268 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
10270 * cppfiles.c (open_include_file): New function.
10271 (find_include_file, cpp_read_file): Use it.
10273 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10275 * cpphash.c (dump_hash_helper): Take the slot, not the element.
10277 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
10279 * flow.c (verify_flow_info): Check for unconditional return.
10281 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
10283 * config/ia64/ia64.md (restore_stack_nonlocal): New.
10284 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
10285 (__ia64_restore_stack_nonlocal): New.
10286 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
10288 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10290 * cpphash.c (collect_formal_parameters): Do not complain about
10291 parameter names that just start with `__VA_ARGS__'.
10293 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
10295 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
10296 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
10297 * i386.c (pentiumpro_cost): Set mul cost to 4.
10298 (x86_use_movx): Set for PPro.
10300 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
10302 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
10303 STACK_BOUNDARY for empty frames now.
10305 2000-03-14 Mark Mitchell <mark@codesourcery.com>
10307 * stor-layout.c (layout_union): Remove.
10308 (layout_union_field): New function, split out from layout_union.
10309 (finish_union_layout): Likewise.
10310 (layout_field): Handle unions by calling layout_union_field.
10311 (finish_record_layout): Handle unions.
10312 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
10313 QUAL_UNION_TYPE handling.
10315 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
10317 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
10318 end of basic block is jump_insn, not barrier; use create_basic_block
10319 instead of creating basic block by hand.
10321 2000-03-14 Jason Eckhardt <jle@cygnus.com>
10323 * flow.c (reorder_basic_blocks): Account for barriers when writing
10324 over NEXT_INSN (last_bb->end).
10325 (verify_flow_info): Add check for missing barriers.
10327 2000-03-14 Greg McGary <gkm@gnu.org>
10329 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
10330 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
10331 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
10332 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
10333 __unbounded, __unbounded__): New keywords.
10334 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
10335 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
10336 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
10338 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
10340 * cselib.h: New file.
10341 * alias.c: Include "cselib.h".
10342 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
10343 MEMs as two new arguments.
10344 (get_addr): New static function.
10345 (find_base_term): Handle VALUEs.
10346 (memrefs_conflict_p): Likewise.
10347 (true_dependence): Call get_addr on the addresses.
10348 Call fixed_scalar_and_varying_struct_p with addresses that have been
10349 passed through get_addr and canon_rtx.
10350 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
10351 with true_dependence.
10352 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
10353 * loop.c: Include "cselib.h".
10354 (load_mems): Process extended basic block that enters the loop with
10355 cselib. Use that information to change initialization of the shadow
10356 register so that a constant equivalence is seen by later passes.
10357 * reload1.c: Include "cselib.h".
10358 (reload_cse_invalidate_regno): Delete function.
10359 (reload_cse_mem_conflict_p): Likewise.
10360 (reload_cse_invalidate_mem): Likewise.
10361 (reload_cse_invalidate_rtx): Likewise.
10362 (reload_cse_regno_equal_p): Likewise.
10363 (reload_cse_check_clobber): Likewise.
10364 (reload_cse_record_set): Likewise.
10365 (reg_values): Delete static variable.
10366 (invalidate_regno_rtx): Likewise.
10367 (reload_cse_delete_noop_set): New static function.
10368 (reload_cse_simplify): New static function, broken out of
10370 (reload_cse_noop_set_p): Delete unused argument INSN.
10371 Just call rtx_equal_for_cselib_p on set source and destination.
10372 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
10373 reload_cse_delete_noop_set. Delete code to keep track of values; use
10374 cselib functions instead. Delete code to push/pop obstacks.
10375 (reload_cse_simplify_set): Use cselib to find equivalent values.
10376 Delete code to push/pop obstacks.
10377 (reload_cse_simplify_operands): Likewise.
10378 * rtl.def (VALUE): New rtx code.
10379 * rtl.h (union rtunion_def): New elt rt_cselib.
10380 (X0CSELIB, CSELIB_VAL_PTR): New macros.
10381 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
10382 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
10383 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
10384 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
10385 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
10386 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
10387 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
10388 cselib_record_set, cselib_record_sets): New static functions.
10389 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
10390 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
10391 references_value_p): New functions.
10392 (MAX_USELESS_VALUES, REG_VALUES): New macros.
10393 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
10394 n_useless_values, reg_values, callmem, cselib_obstack,
10395 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10396 New static variables.
10397 * varray.h (union varray_data_tag): New elt te.
10398 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10399 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10402 2000-03-14 Nick Clifton <nickc@cygnus.com>
10404 * gcc.c (do_spec_1): Catch the case where %* is used in a
10405 substitution pattern, but it has not been initialised.
10406 Issue a meaningful error message if an unrecognised operator
10407 is encountered in a spec string.
10409 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
10411 * function.c (prepare_function_start): Correctly initialize
10412 cfun->stack_alignment_needed.
10414 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
10416 * cppfiles.c (find_include_file): Don't assume nshort is a
10419 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
10421 * configure.in (hppa configurations): Add pa32-regs.h to the
10422 list of tm files as appropriate.
10423 * configure: Rebuilt.
10424 * pa.c (compute_frame_size): Remove explicit knowledge about FP
10425 register numbering.
10426 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10427 (fmpyaddoperands, fmpysuboperands): Likewise.
10428 * pa.h: Remove various definitions which depend on knowing
10429 how registers are numbered.
10430 * pa32-regs.h: New file with PA32 register numbering specific
10433 2000-03-14 Richard Henderson <rth@cygnus.com>
10435 * regmove.c (combine_stack_adjustments): New.
10436 (stack_memref_p, single_set_for_csa): New.
10437 (free_csa_memlist, record_one_stack_memref): New.
10438 (try_apply_stack_adjustment): New.
10439 (combine_stack_adjustments_for_block): New.
10440 * rtl.h (combine_stack_adjustments): Declare.
10441 * toplev.c (rest_of_compilation): Call it.
10443 * i386.md: Revert 2000-01-16 change.
10445 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10447 * gccbug.in: Add web category, gcc specific classes.
10449 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
10451 * stor-layout.c (finalize_record_size): Fix typo.
10453 2000-03-14 Stan Shebs <shebs@apple.com>
10455 * c-typeck.c (c_alignof): Error on incomplete types.
10456 * extend.texi (Alignment): Document this.
10458 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10460 * cppfiles.c: Include mkdeps.h.
10461 (find_include_file, read_include_file): Remove _cpp_ prefix
10462 from name, make static.
10463 (_cpp_execute_include): New function, broken out of
10466 * cpplib.c: Don't include mkdeps.h.
10467 (struct directive): Remove type field. Reorder entries. The
10468 function takes only one argument.
10469 (struct if_stack): Make type field an int.
10470 (directive_table): Rename to dtable. Generate it, the
10471 prototypes of the directive handlers, and the enum for the
10472 directive numbers, from a template macro.
10473 (do_ifndef, do_include_next, do_import): New functions.
10474 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
10475 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
10476 do_ident, do_assert, do_unassert, do_sccs): Take only one
10478 (do_sccs): Define always, but alter behavior based on
10480 (_cpp_handle_directive, consider_directive_while_skipping):
10481 Restructure for new directive table layout.
10483 (pass_thru_directive): Take a directive number, not a pointer
10484 to a struct directive.
10485 (parse_include): New function, broken out of do_include.
10486 (do_include, do_import, do_include_next): Use parse_include
10487 and _cpp_execute_include.
10488 (do_elif, do_else): Test for T_ELSE specifically when checking
10489 for #elif/#else after #else.
10490 (parse_ifdef): New function, broken out of do_ifdef.
10491 (validate_else): Expect a name arg without a leading #.
10492 (if_directive_name): Delete.
10493 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
10494 directive handlers with only one argument.
10496 * cpphash.h: Update prototypes.
10497 (enum node_type): Remove entries for directives.
10498 * Makefile.in: Update dependencies.
10500 * cpphash.c (dump_hash_helper): Only dump nodes of type
10501 T_MACRO. Emit a newline after each definition.
10503 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10505 * gccbug.in: New file.
10506 * configure.in (all_outputs): Add gccbug.
10507 * Makefile.in (install-common): Install gccbug.
10508 (GCCBUG_INSTALL_NAME): New variable.
10509 * configure: Rebuilt.
10511 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10513 * function.c (put_var_into_stack): Use type_for_mode to calculate
10514 part_type. Use MEM_SET_IN_STRUCT_P.
10515 * expr.c (store_field): Handle CONCAT.
10516 (store_constructor): Use fields_length.
10517 * tree.c (fields_length): New fn.
10518 * tree.h: Declare it.
10520 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10522 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
10523 (cpplex.o): New target.
10524 * po/POTFILES.in: Add cpplex.c.
10526 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
10527 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
10528 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
10529 skip_block_comment, skip_line_comment, skip_comment,
10530 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
10531 _cpp_parse_name, skip_string, parse_string,
10532 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
10533 _cpp_get_directive_token, find_position,
10534 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
10535 (maybe_macroexpand, _cpp_lex_token): New functions.
10537 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
10538 parse_goto_mark): Delete.
10539 (_cpp_handle_eof): New function.
10540 (_cpp_handle_directive): Rename from handle_directive.
10541 (_cpp_output_line_command): Rename from output_line_command.
10542 (do_if, do_elif): Call _cpp_parse_expr directly.
10543 * cppfiles.c (_cpp_read_include_file): Don't call
10544 init_input_buffer here.
10545 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
10546 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
10547 here; pop the token_buffer and skip the rest of the line here.
10548 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
10551 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
10553 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
10554 CPP_GOTO_MARK): New macros.
10555 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
10556 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
10557 _cpp_read_and_prescan, _cpp_init_input_buffer,
10558 _cpp_grow_token_buffer, _cpp_get_directive_token,
10559 _cpp_handle_directive, _cpp_handle_eof,
10560 _cpp_output_line_command): Prototype them here.
10561 * cpplib.h (enum cpp_token): Add CPP_MACRO.
10562 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
10563 quote_string, output_line_command): Remove.
10565 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
10567 * stmt.c (expand_end_case): RANGE may be signed, and when checking
10568 whether it is too large we must also verify that it isn't negative.
10570 2000-03-13 Jakub Jelinek <jakub@redhat.com>
10572 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
10573 (movsi_zero_liveg0): Remove.
10574 (movsf_insn_novis_liveg0): Remove.
10576 (negsi2_not_liveg0): Rename to negsi2.
10577 (one_cmplsi2): Remove.
10578 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
10579 (one_cmplsi2_liveg0): Remove.
10580 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
10581 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
10582 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
10583 (PREDICATE_CODES): Remove zero_operand.
10584 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
10585 TARGET_BROKEN_SAVERESTORE.
10586 (zero_operand): Remove.
10587 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
10588 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
10590 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10591 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10592 TARGET_BROKEN_SAVERESTORE): Remove.
10593 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10595 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10597 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10600 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
10602 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10604 * cpplib.c (do_pragma_implementation): Fix off-by-one error
10605 truncating a string. Don't assume tokens are nul terminated.
10606 Problem noted by Andreas Jaeger <aj@suse.de>
10608 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10610 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
10611 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
10612 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
10614 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
10616 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
10617 STRUCTURE_SIZE_BOUNDARY.
10619 2000-03-13 Mark Mitchell <mark@codesourcery.com>
10621 * tree.h (record_layout_info_s): New structure.
10622 (record_layout_info): New type.
10623 (new_record_layout_info): New function.
10624 (layout_field): Likewise.
10625 (finish_record_layout): Likewise.
10626 * stor-layout.c (layout_record): Remove.
10627 (new_record_layout_info): New function.
10628 (layout_field): New function, broken out from layout_record.
10629 (finalize_record_size): Likewise.
10630 (compute_record_mode): Likewise.
10631 (finalize_type_size): New function, broken out from layout_type.
10632 (finish_record_layout): Likewise.
10633 (layout_type): Use them.
10635 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
10637 * cpphash.c: Don't include version.h.
10638 (special_symbol) [case T_VERSION]: Look for the string in
10639 hp->value.cpval; don't use version_string.
10640 * cppinit.c (initialize_builtins): Set hp->value.cpval for
10641 __VERSION__ to version_string.
10642 * Makefile.in (cpphash.o): Update deps.
10644 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
10646 Convert cpplib to use libiberty/hashtab.c.
10648 * cpplib.h (struct cpp_reader): Make hashtab and
10649 all_include_files of type 'struct htab *'. Delete HASHSIZE
10650 and ALL_INCLUDE_HASHSIZE macros.
10652 * cpphash.h: Update prototypes.
10653 (struct hashnode): Remove next, prev, and bucket_hdr members.
10654 Make length a size_t. Add hash member.
10655 (struct ihash): Remove next member. Add hash member. Make
10656 name a flexible array member.
10658 * cppfiles.c: Include hashtab.h.
10659 (include_hash): Delete.
10660 (IHASHSIZE): New macro.
10661 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
10662 (cpp_included): Do the hash lookup here.
10663 (_cpp_find_include_file): Rewrite.
10664 (cpp_read_file): Put the "fake" hash entry into the hash
10665 table. Honor the control_macro, if it turns out we've seen
10666 the file before. Don't push the buffer here.
10667 (_cpp_read_include_file): Push the buffer here.
10668 (OMODES): New macro. Use it whenever we call open(2).
10670 * cpphash.c: Include hashtab.h.
10671 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
10672 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
10673 _cpp_lookup_slot): New functions.
10674 (HASHSIZE): new macro.
10675 (hashf, _cpp_install, _cpp_delete_macro): Delete.
10676 (_cpp_lookup): Use hashtab.h routines.
10678 * cppinit.c: Include hashtab.h.
10679 (cpp_reader_init): Call _cpp_init_macro_hash and
10680 _cpp_init_include_hash. Don't allocate hashtab directly.
10681 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
10682 pfile->all_include_files.
10683 (initialize_builtins): Use _cpp_make_hashnode and
10684 htab_find_slot to add hash entries.
10685 (cpp_finish): Just call _cpp_dump_macro_hash.
10686 * cpplib.c: Include hashtab.h.
10687 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
10688 create hash entries.
10689 (do_pragma_poison, do_assert): Likewise.
10690 (do_include): Don't push the buffer here. Don't increment
10691 system_include_depth unless _cpp_read_include_file succeeds.
10692 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
10693 or htab_remove_elt.
10694 (do_pragma_implementation): Use alloca to create copy.
10696 * Makefile.in: Update dependencies.
10698 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10700 * cppinit.c (cl_directive_handler): More K&R fixing.
10702 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
10704 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
10706 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
10708 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10710 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
10711 Change from char[] to macros.
10713 2000-03-12 Neil Booth <NeilB@earthling.net>
10715 * cppinit.c (cpp_start_read): Update indirect function
10718 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
10720 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
10723 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10724 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
10726 2000-03-11 Neil Booth <NeilB@earthling.net>
10728 * cppinit.c (struct pending option): Replace undef with a
10729 pointer to a directive handling routine.
10730 (struct cpp_pending): Replace separate assert_ and define_
10731 lists with one directive_ list.
10732 (new_pending_define): Rename new_pending_directive. Extra
10733 argument is the directive's handling routine.
10734 (handle_option): Update to use new_pending_directive.
10736 2000-03-11 Neil Booth <NeilB@earthling.net>
10738 * cppfiles.c (file_cleanup, _cpp_find_include_file,
10739 remap_filename, _cpp_read_include_file, actual_directory,
10740 hack_vms_include_specification): Replace bcopy(), index() etc
10741 calls. Add casts to some allocations. Make some variables
10742 pointers to const [unsigned] char.
10743 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
10744 collect_formal_parameters): Similarly.
10745 * cppinit.c (struct pending_option, append_include_chain,
10746 cpp_options_init, cpp_reader_init, initialize_standard_includes,
10747 cpp_start_read, new_pending_define, handle_option): Similarly.
10748 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
10749 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
10750 do_pragma_implementation, detect_if_not_defined,
10751 do_ifdef, skip_if_group, cpp_get_token, parse_string,
10752 do_assert, do_unassert): Similarly.
10753 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
10754 function prototypes.
10755 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
10757 2000-03-10 Richard Henderson <rth@cygnus.com>
10759 * builtins.c (expand_builtin_strlen): Revert last change.
10760 Use emit_insn_before if we're at the beginning of a sequence.
10762 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
10764 * builtins.c (expand_builtin_strlen): Make sure that we have something
10765 at the beginning of the sequence.
10767 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
10770 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
10772 2000-03-10 Richard Henderson <rth@cygnus.com>
10774 * except.c (can_throw): Use INTVAL on a CONST_INT.
10775 (reachable_handlers): Likewise.
10776 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
10778 2000-03-10 Andreas Jaeger <aj@suse.de>
10780 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
10781 MD_STARTFILE_PREFIX since those are not needed on linux.
10782 (ASM_FILE_START): New, from mips/gnu.h.
10784 2000-03-09 Richard Henderson <rth@cygnus.com>
10785 Alex Samuel <samuel@codesourcery.com> and others
10787 * Makefile.in (ssa.o): New rule.
10789 (STAGESTUFF): Add *.ssa and *.ussa.
10790 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
10791 * rtl.def (PHI): New RTL expression.
10792 * rtl.h (clear_log_links): New declaration.
10793 (convert_to_ssa): Likewise.
10794 (convert_from_ssa): Likewise.
10795 * flow.c (split_edge): If the entry node falls through to the
10796 split edge's source block, split the entry edge.
10797 (clear_log_links): New function.
10798 * toplev.c (ssa_dump): New variable.
10799 (flag_ssa): Likewise.
10800 (f_options): Add "ssa".
10801 (compile_file): Create SSA dump files.
10802 (rest_of_compilation): Go to and from SSA if enabled.
10803 (decide_d_option): Handle -de for SSA dump files.
10806 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
10808 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
10811 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
10813 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
10815 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
10817 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
10818 (MD_STARTFILE_PREFIX_1): New macro.
10820 2000-03-09 Robert Lipe <robertl@sco.com>
10822 * config/ia64/ia64.c: Include system.h.
10824 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10826 * except.c (nothrow_function_p): If -fno-exceptions, just return.
10827 (init_eh_nesting_info): Likewise.
10829 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
10830 (TREE_NOTHROW): Rename from TREE_RAISES.
10831 * toplev.c (rest_of_compilation): Set it.
10832 * print-tree.c (print_node): Adjust.
10833 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
10834 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
10835 * calls.c (emit_call_1): Add 'nothrow' parm. Add
10836 REG_EH_REGION note as appropriate.
10837 (libfunc_nothrow): New fn.
10838 (emit_library_call, emit_library_call_value): Use it.
10839 (expand_call): Check TREE_NOTHROW.
10841 * varasm.c (make_decl_rtl): Skip initial '*' when setting
10842 DECL_ASSEMBLER_NAME.
10844 2000-03-09 Andreas Jaeger <aj@suse.de>
10846 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
10847 (TARGET_MEM_FUNCTIONS): Define.
10849 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10851 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
10853 * except.c (can_throw): See through a SEQUENCE.
10854 (nothrow_function_p): New fn.
10855 * except.h: Declare it.
10856 * function.c (current_function_nothrow): New var.
10857 (prepare_function_start): Initialize it.
10858 * output.h: Declare it.
10859 * toplev.c (rest_of_compilation): Set it.
10860 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
10862 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
10864 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
10865 match. (cpp_compare_defs): Count the nul separator when
10866 advancing over argument names.
10868 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
10870 * recog.c (preprocess_constraints): Matching constraints affect
10871 same alternative/different operand, not same operand/different
10874 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
10875 register and a constant specially.
10877 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10879 * libgcc2.h: New file.
10880 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
10882 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
10884 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
10885 * configure: Regenerate.
10886 * config/ia64: New.
10888 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10890 * Makefile.in (LIBCPP_DEPS): New macro.
10891 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
10892 it to declare deps.
10893 * cpperror.c: Include cpphash.h.
10894 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
10896 (lex): Don't use CPP_WARN_UNDEF.
10897 (_cpp_parse_expr): Return an int, the truth value.
10898 * cppfiles.c: Include cpphash.h.
10899 (_cpp_merge_include_chains): Move to cppinit.c and make static.
10900 * cppinit.c (include_defaults_array): Disentangle.
10901 (cpp_cleanup): Don't free the if stack here.
10902 (cpp_finish): Pop off all buffers, not just one.
10903 * cpplib.c (eval_if_expr): Return int.
10904 (do_xifdef): Rename do_ifdef.
10905 (handle_directive): Don't use CPP_PREPROCESSED.
10906 (cpp_get_token): Don't use CPP_C89.
10907 * fix-header.c: Don't use CPP_OPTIONS.
10909 * cpplib.h: Move U_CHAR, enum node_type, struct
10910 file_name_list, struct ihash, is_idchar, is_idstart,
10911 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
10912 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
10913 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
10914 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
10915 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
10916 of _cpp_simplify_pathname, _cpp_find_include_file,
10917 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
10918 Move struct if_stack to cpplib.c. Move struct cpp_pending to
10920 Change all uses of U_CHAR to be unsigned char instead.
10921 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
10923 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10925 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10926 (dwarf2out_begin_prologue): Set it.
10927 (output_call_frame_info): Don't emit EH unwind info for leaves.
10929 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10930 can occur outside of an EH region.
10931 * except.c: Correct comments about rethrow behavior.
10932 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10934 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10936 * flow.c (make_edges): Always call make_eh_edge for calls.
10938 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10940 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10941 (struct cpp_buffer): Remove fname and underflow fields.
10942 (struct cpp_reader): Remove get_token field.
10943 (struct include_hash): Rename to struct ihash. Add typedef to
10945 (struct if_stack): Remove fname field.
10946 (IF_STACK_FRAME): Rename to IF_STACK.
10948 * cpperror.c (print_containing_files): Trust that there are no
10949 macro buffers below the top file buffer.
10950 * cppfiles.c: Replace all references to 'struct include_hash'
10951 with 'IHASH'. Rename initialize_input_buffer to
10952 init_input_buffer. Don't set or reference cpp_buffer->fname,
10953 use buffer->ihash->name instead.
10954 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10955 not CPP_NULL_BUFFER.
10956 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10957 IF_STACK_FRAME, IHASH not struct include_hash.
10958 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10959 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10960 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10961 references to cpp_buffer->fname (delete entirely, or use
10962 ->ihash->name instead) and IF_STACK->fname.
10963 (cpp_push_buffer): Don't set new->underflow.
10964 (do_include): Use cpp_file_buffer.
10966 * cpphash.c (collect_formal_parameters): Remove duplicate
10967 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10968 used as a macro argument name. Don't append "..." to namebuf
10969 for varargs macros. After we're done scanning, go through
10970 namebuf and make it NUL separated, not comma separated.
10971 (_cpp_compare_defs): Remove register tag from variables.
10972 Expect defn->argnames to be NUL separated.
10973 (_cpp_dump_definition): Expect defn->argnames to be NUL
10974 separated and in forward order.
10975 * cpphash.h: Update documentation of argnames field.
10977 2000-03-08 Richard Henderson <rth@cygnus.com>
10979 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10980 to fail. Don't pre-expand the source operand.
10982 * i386.md (strlensi): Initialize eoschar and align before use.
10984 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10986 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10987 CONSTRUCTOR element.
10989 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10991 * mips.c (mips_expand_prologue): If the last
10992 named argument is the vararg marker "va_list", treat it as
10993 an unnamed argument.
10995 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10997 * dbxout.c (dbxout_parms): When correcting for promoted
10998 big-endian parameters, use the mode of the DECL_RTL rather
10999 than UNITS_PER_WORD.
11001 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11003 * c-common.h (make_fname_decl): Declare.
11004 * c-common.c (make_fname_decl): Define.
11005 (declare_hidden_char_array): Remove.
11006 (declare_function_name): Use make_fname_decl.
11007 * c-decl.c (c_make_fname_decl): New function.
11008 (init_decl_processing): Set make_fname_decl.
11010 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11012 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11014 2000-03-07 Philipp Thomas <pthomas@suse.de>
11016 * po/POTFILES.in: Remove cppalloc.c from file list.
11018 2000-03-07 Steve Chamberlain <sac@pobox.com>
11020 * pj.c (pj_expand_prologue): current_function->args_info is
11021 now current_function_args_info.
11023 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11024 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11025 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11027 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11029 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11030 output as hexadecimal rather than the default octal.
11032 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11034 * cpphash.c (special_symbol): Fix thinko in previous commit.
11036 2000-03-07 Neil Booth <NeilB@earthling.net>
11038 * cppexp.c (struct operation, left_shift, right_shift,
11039 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11040 "int"s to "unsigned int"s.
11041 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11043 * cpplib.h: Update for above.
11044 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11045 returned from allocations.
11047 * cppinit.c (opt_comp, parse_options): New functions.
11048 (handle_option): Use parse_option to parse a single command
11049 line option, that possibly takes an argument.
11050 (cpp_handle_options): Sort the array of command line options on
11051 first invocation (non-ASCII hosts only).
11052 (print_help): Update.
11054 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11056 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11057 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11059 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11061 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11063 * cpperror.c (cpp_print_containing_files,
11064 cpp_print_file_and_line, v_cpp_message): Rename to
11065 print_containing_files, print_file_and_line, and v_message.
11066 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11067 to _cpp_parse_expr, parse_escape, and lex.
11068 (parse_charconst): Remove broken multibyte support.
11069 * cppfiles.c (include_hash): Make static.
11070 (cpp_included): New function.
11071 (merge_include_chains, find_include_file, finclude,
11072 simplify_pathname): Rename to _cpp_merge_include_chains,
11073 _cpp_find_include_file, _cpp_read_include_file, and
11074 _cpp_simplify_pathname.
11075 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11076 cpp_install, create_definition, macroexpand, compare_defs,
11077 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11078 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11079 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11080 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11082 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11084 * cpphash.h: Update prototypes.
11085 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11087 2000-03-07 Andrew Haley <aph@cygnus.com>
11089 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11090 PTRDIFF_TYPE should be based solely on Pmode.
11091 (SIZE_TYPE): ditto.
11093 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11095 * rtl.h (rtunion_def): Constify member `rtstr'.
11096 (emit_line_note_after, emit_line_note, emit_line_note_force,
11097 emit_note, decode_asm_operands): Constify.
11099 * cse.c (canon_hash): Likewise.
11101 * dbxout.c (dbxout_block): Likewise.
11103 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11104 v_warning_for_asm): Likewise.
11106 * dwarfout.c (function_start_label): Likewise.
11108 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11109 emit_line_note_force): Likewise.
11111 * final.c (last_filename, asm_insn_count, final_scan_insn,
11112 output_source_line): Likewise.
11114 * function.h (struct emit_status): Likewise.
11116 * gcse.c (hash_expr_1): Likewise.
11118 * genattr.c (gen_attr, main): Likewise.
11120 * genattrtab.c (struct function_unit, current_alternative_string,
11121 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11122 attr_numeral, check_attr_test, check_attr_value,
11123 convert_set_attr_alternative, convert_set_attr,
11124 compute_alternative_mask, simplify_by_exploding, gen_attr,
11125 gen_unit): Likewise.
11127 * genflags.c (gen_insn): Likewise.
11129 * gengenrtl.c (type_from_format): Likewise.
11131 * genopinit.c (gen_insn): Likewise.
11133 * genoutput.c (n_occurrences, process_template, process_template):
11136 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11139 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11142 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11143 ggc_set_mark, ggc_get_size): Likewise.
11145 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11147 * optabs.c (init_one_libfunc): Likewise.
11149 * output.h (assemble_start_function): Likewise.
11151 * recog.c (decode_asm_operands): Likewise.
11153 * toplev.c (rest_of_compilation): Likewise.
11155 * tree.h (emit_line_note_after, emit_line_note,
11156 emit_line_note_force): Likewise.
11158 * varasm.c (asm_output_bss, asm_output_aligned_bss,
11159 asm_emit_uninitialised, assemble_start_function,
11160 assemble_variable, const_hash, compare_constant_1,
11161 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11163 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11165 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
11167 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11169 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11171 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11172 arm_dllimport_name_p): Likewise.
11174 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11177 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11179 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11181 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11182 arm_mark_dllexport, arm_mark_dllimport,
11183 arm_pe_encode_section_info): Likewise.
11185 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11186 ASM_FINISH_DECLARE_OBJECT): Likewise.
11188 * arm/thumb.c (thumb_function_prologue): Likewise.
11190 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11192 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11194 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11196 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11198 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11200 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11202 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11203 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11205 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
11207 * i386/i386.c (asm_output_function_prefix): Likewise.
11209 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11211 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11213 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11215 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11216 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11217 ASM_OUTPUT_SECTION_NAME): Likewise.
11219 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11221 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
11223 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
11225 * m32r/m32r.c (m32r_encode_section_info): Likewise.
11227 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11229 * mcore/mcore.c (mcore_encode_section_info): Likewise.
11231 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11233 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11235 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11237 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
11239 * mips/mips.md (movdi, movsi): Likewise.
11241 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11243 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11245 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11247 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11248 ASM_OUTPUT_ASCII): Likewise.
11250 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
11251 output_mi_thunk, output_toc): Likewise.
11253 * rs6000/rs6000.md (movsi): Likewise.
11255 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
11257 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
11259 * v850/v850.c (print_operand, print_operand_address,
11260 v850_encode_data_area): Likewise.
11262 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
11264 * config/mips/mips.md (zero_extendsidi2): Always force operand
11265 one to memory for mips16.
11267 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11269 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
11270 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
11271 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
11272 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
11273 (min_precision): Result is unsigned.
11274 (add_double, neg_double, mul_double): Low word is unsigned.
11275 (lshift_double, rshift_double, lrotate_double): Likewise.
11276 (rrotate_double, div_and_round_double): Likewise.
11277 (tree_floor_log2, compare_tree_int): New functions.
11278 (preserve_rtl_expr_temps): New declaration.
11279 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
11280 (decl_attributes): Use tree_log2 to find alignment.
11281 Check for TREE_INT_CST_HIGH for format args.
11282 (min_precision): Now unsigned.
11283 Use tree_floor_log2.
11284 (truthvalue_conversion): Delete long-disabled code.
11285 * c-decl.c (finish_struct): Clean up tests on field width.
11286 (finish_function): Use compare_tree_int.
11287 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
11288 * c-typeck.c (comptypes): Use tree_int_cst_equal.
11289 (default_conversion, digest_init): Use compare_tree_int.
11290 (build_binary_op): Use integer_all_onesp and compare_tree_int.
11291 Fix type errors in forming masks.
11292 * calls.c (initialize_argument_information): Use compare_tree_int.
11293 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11294 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
11295 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
11296 (store_field): Use compare_tree_int.
11297 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
11298 (expand_expr, case ARRAY_REF): Use compare_tree_int.
11299 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
11300 (do_store_flag): Use compare_tree_int.
11301 * fold-const.c (encode, decode): Low part is always unsigned.
11302 (force_fit_type, add_double, neg_double, mul_double): Likewise.
11303 (lshift_double, rshift_double, lrotate_double): Likewise.
11304 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
11305 (fold_convert): Use compare_tree_int.
11306 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
11307 (invert_truthvalue, case INTEGER_CST): Likewise.
11308 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
11309 * mkdeps.c (deps_dummy_targets): Make I unsigned.
11310 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
11311 (lshift_double, rshift_double, lrotate_double, rrotate_double):
11313 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
11314 (expand_end_case): Use compare_tree_int.
11315 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11316 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
11317 (layout_decl): Likewise.
11318 (layout_record, layout_union): Make sizes unsigned.
11319 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
11320 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
11321 * tree.c (struct type_hash): hashcode is unsigned.
11322 (build_type_attribute_variant, type_hash_list): Likewise.
11323 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
11324 (attribute_hash_list, build_array_type, build_method_type): Likewise.
11325 (build_complex_type): Likewise.
11326 (real_value_from_int_cst): Remove unneeded casts.
11327 (integer_all_onesp): Add casts.
11328 (tree_floor_log2, compare_tree_int): New functions.
11329 (build_index_type): Use tree_int_cst_sgn.
11330 * varasm.c (assemble_variable): Use compare_tree_int.
11332 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
11334 * cpphash.c (collect_expansion): Also catch ## at start of macro.
11336 * varasm.c (make_decl_rtl): Don't add a number to members of
11338 (make_function_rtl): Likewise.
11340 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11342 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
11343 patch from 2000-01-28.
11345 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
11347 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
11348 filled with an insn from the jump target.
11350 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11352 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
11353 (c4x_external_ref): Likewise.
11354 * config/c4x/c4x.c (struct name_list): Likewise.
11356 1999-12-16 Ben Collins <bcollins@debian.org>
11358 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
11359 argument to genmultilib.
11360 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
11361 the contents into the multilib.h header.
11362 * gcc.c: Declare multilib_exclusions for the specs file.
11363 (set_multilib_dir): Use it.
11364 (print_multilib_info): Likewise.
11365 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
11366 to pass to genmultilib.
11368 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11370 * builtins.c (built_in_class_names, built_in_names): Constify a
11373 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
11375 (_mcleanup): Ensure value matches format specifier in sprintf.
11377 * cpphash.c (special_symbol): Don't needlessly cast away
11380 * cppinit.c (base_name): Delete unused prototype.
11382 * mkdeps.c (deps_init): Make definition K&R safe.
11384 * tree.h (built_in_class_names, built_in_names): Constify a
11387 2000-03-06 Jakub Jelinek <jakub@redhat.com>
11389 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
11390 floating point instructions for epilogue delay.
11392 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11393 to gas if it supports .register pseudo.
11395 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11396 LONG_DOUBLE_TYPE_SIZE if not defined.
11397 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11398 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11399 * real.c: Likewise.
11400 * gengenrtl.c: Likewise.
11401 * print-rtl.c: Likewise.
11403 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11404 MASK_LONG_DOUBLE_128.
11405 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11406 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11407 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11408 (SUBTARGET_SWITCHES): Define.
11409 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11410 with -mlong-double-128.
11411 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11412 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11413 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11414 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
11415 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11416 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11417 with -mlong-double-128.
11418 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11419 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11420 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11421 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11422 TARGET_LONG_DOUBLE_128): Define.
11423 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11424 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11425 long double on TARGET_ARCH64.
11427 2000-03-06 Mark Mitchell <mark@codesourcery.com>
11429 * function.c (free_temps_for_rtl_expr): Don't free slots
11430 that have been pushed into a higher level.
11433 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11435 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11437 * basic-block.h (ALLOCA_REG_SET): Remove.
11438 (INITIALIZE_REG_SET): New macro.
11439 * flow.c (update_life_info): Use it.
11440 (calculate_global_regs_live): Likewise.
11441 (propagate_block): Likewise.
11442 * global.c (build_insn_chain): Likewise.
11443 * haifa-sched.c (schedule_region): Likewise.
11445 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
11447 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11448 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11449 (DWARF_ARANGES_PAD_SIZE): New define.
11450 (output_aranges): Use it to pad the address range header.
11451 (DWARF_ROUND): Fix for non power of 2 rounding.
11453 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
11455 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11457 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11459 * tree.def (RTL_EXPR): Update documentation.
11460 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11461 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11462 * function.c (preserve_rtl_expr_temp): New function.
11463 (preserve_rtl_expr_temps): Likewise.
11464 (preserve_rtl_expr_result): Use it.
11467 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11469 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
11471 * regmove.c (copy_src_to_dest) Do not create src->dest move
11472 for unchanging destination.
11474 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11476 * function.h (struct sequence_stack): Remove rtl_expr.
11477 (struct emit_staus): Likewise.
11478 (seq_rtl_expr): Remove.
11479 * tree.h (free_temps_for_rtl_expr): Don't declare.
11480 (start_sequence_for_rtl_expr): Likewise.
11481 * rtl.h (preserve_rtl_expr_result): Likewise.
11482 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
11483 (start_sequence_for_rtl_expr): Remove.
11484 (push_topmost_sequence): Don't save sequence_rtl_expr.
11485 (pop_topmost_sequence): Remove comment about not restoring it.
11486 (end_sequence): Don't set seq_rtl_expr.
11487 (init_emit): Don't initialize it.
11488 (mark_sequence_stack): Don't mark it.
11489 (mark_emit_status): Likewise.
11490 * except.c (protect_with_terminate): Use
11491 start_sequence_for_rtl_expr, not start_sequence.
11492 * expr.c (expand_expr, case RTL_EXPR): Don't call
11493 preserve_rtl_expr_result or free_temps_for_rtl_expr.
11494 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
11495 (preserve_rtl_expr_result): Remove.
11496 (free_temps_for_rtl_expr): Likewise.
11497 (pop_temp_slots): Likewise.
11498 (mark_temp_slot): Don't mark the rtl_expr.
11499 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
11500 start_sequence_for_rtl_expr.
11502 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
11504 * mkdeps.c, mkdeps.h: New files.
11505 * po/POTFILES.in: Add them.
11506 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
11507 (cpplib.o, cppinit.o): Depend on mkdeps.h.
11508 (mkdeps.o): New target.
11510 * cppfiles.c: Delete deps_output.
11511 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
11512 OBJECT_SUFFIX, and base_name.
11513 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
11515 (initialize_dependency_output): Use deps_init,
11516 deps_add_target, deps_calc_target, and deps_add_dep. Remove
11517 all the unnecessary string bashing.
11518 (cpp_finish): Use deps_write. Remove an unnecessary nesting
11520 * cpplib.c (do_include): Use deps_add_dep.
11521 * cpplib.h (struct cpp_reader): Replace deps_buffer,
11522 deps_allocated_size, deps_size, deps_column members with
11523 single pointer to a struct deps. Delete prototype of
11526 * cppinit.c: Fix thinko in previous patch.
11528 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11530 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
11531 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
11532 (mode_for_size_tree): New function.
11533 (layout_decl, layout_type): Call it and clean up BLKmode checks.
11534 * tree.h (mode_for_size_tree): New declaration.
11536 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
11538 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
11540 * stmt.c (is_body_block): Move...
11541 * dwarfout.c, dwarf2out.c: ...from here.
11542 * tree.h: Declare it.
11543 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
11544 * final.c (final_start_function): Do call remove_unnecessary_notes
11547 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11549 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
11551 * cpplib.h (_dollar_ok): New macro.
11552 (is_idchar, is_idstart): Use it.
11553 (IStable): Rename to _cpp_IStable. Declare it const if
11554 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
11555 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
11556 is_space): Update for renamed IStable.
11558 * cppinit.c: Delete all references to FAKE_CONST and CAT
11559 macros. Define init_IStable as empty macro if gcc >=2.7 or
11560 C99. Change TABLE() to ISTABLE and hardcode name of table.
11561 (cpp_start_read): Don't change the IStable based on
11564 * cpphash.c (unsafe_chars): Add pfile argument. All callers
11565 changed. Handle '$' for char1 correctly.
11566 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
11568 * cppexp.c (tokentab2): Make const.
11569 (cpp_lex): Make toktab const.
11570 * cppinit.c (include_defaults_array): Make const.
11571 (initialize_standard_includes): Make default_include const.
11573 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11575 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
11576 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
11577 (gen_decl_die): Likewise.
11578 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
11579 (output_decl): Likewise.
11581 * varasm.c (make_function_rtl): If we change the name used in the
11582 rtl, update DECL_ASSEMBLER_NAME accordingly.
11583 (make_decl_rtl): Likewise.
11585 * toplev.c (rest_of_compilation): Tweak formatting.
11587 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
11588 remove_unnecessary_notes.
11589 (debug_ignore_block): New fn.
11590 * toplev.h: Declare it.
11591 * emit-rtl.c (remove_unncessary_notes): Call it.
11592 * dwarf2out.c (dwarf2out_ignore_block): New fn.
11593 * dwarf2out.h: Declare it.
11594 * final.c (final_start_function): Don't call remove_unnecessary_notes
11595 if we did insn scheduling.
11597 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11599 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
11600 * cpplib.h: Delete SET_CPP_PEDANTIC.
11602 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11604 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
11605 result is a RECORD_TYPE.
11607 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
11609 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
11611 2000-03-03 Richard Henderson <rth@cygnus.com>
11613 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
11614 addition over compliments over shifts.
11616 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11618 * reload1.c (reload_combine_note_use): Handle return register USEs.
11619 REG case: Handle multi-hard-register hard regs.
11621 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11623 * md.texi: Document use of '*' in insn pattern name.
11625 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11627 * calls.c (special_function_p): operator new may not be malloc-like.
11629 * gcse.c (dump_hash_table): Really fix error in last change.
11631 2000-03-02 Denis Chertykov <denisc@overta.ru>
11633 * avr.c (print_operand): Use print_operand_address instead of
11635 * avr/libgcc.S: Cleanup code.
11637 2000-03-02 Richard Henderson <rth@cygnus.com>
11639 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
11641 2000-03-02 Mark Mitchell <mark@codesourcery.com>
11643 * tree.h (TYPE_ALIGN_UNIT): New macro.
11645 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
11647 * i386.c: (constant_call_address_operand): Reject CONST_INT.
11649 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
11651 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
11653 (SET_CPP_PEDANTIC): New macro.
11654 * cpplib.c (do_include): Don't bother checking system_header_p.
11655 (do_warning, do_ident, do_assert, do_unassert): Likewise.
11656 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
11658 * function.h (struct expr_status): Add x_arg_space_so_far.
11659 (arg_space_so_far): New macro.
11660 * expr.c (init_expr): Initialize it.
11661 * calls.c (emit_call_1): Reset it.
11662 (compute_argument_block_size, expand_call): Use it.
11663 (expand_call, store_one_arg): Increment it.
11665 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11667 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
11670 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
11672 * cppfiles.c (cpp_read_file): New function.
11674 * cpphash.c (collect_expansion): Make sure to reset last_token
11675 to NORM when we hit a string. Handle trailing whitespace
11676 properly when the expansion is empty.
11677 (create_definition): Disable line commands while parsing the
11679 (dump_definition): If pfile->lineno == 0, output a line
11680 command ahead of the dump, and add a trailing newline.
11682 * cppinit.c (append_include_chain): Add fifth argument, which
11683 indicates whether or not system headers are C++ aware.
11684 (initialize_standard_includes): New function,
11685 broken out of read_and_prescan. Pass 'cxx_aware' value from
11686 the include_defaults_array on to append_include_chain.
11687 (dump_special_to_buffer): Const-ify char array.
11688 (builtin_array): Don't dump __BASE_FILE__.
11689 (cpp_start_read): Use cpp_read_file. Reorder code for
11690 clarity. Don't output line commands here for -D/-A/-U
11691 switches. Don't call deps_output for files included with
11692 -include or -imacros.
11694 * cpplib.c (do_define): Don't pay any attention to the second
11696 (cpp_expand_to_buffer): Disable line commands while scanning.
11697 (output_line_command): Work in the file buffer.
11698 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
11699 Fix formatting of comments. Prototype cpp_read_file.
11701 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11703 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
11704 reference the language-equivalent of sizetype.
11705 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
11706 * fold-const.c (size_binop, size_diffop): Put back checks.
11707 * gcse.c (dump_hash_table): Fix minor error in last change.
11708 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
11709 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
11712 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
11714 * calls.c (expand_call) Do not attempt to combine stack adjustments
11715 with inhibit_defer_pop set.
11717 2000-03-01 Mark Mitchell <mark@codesourcery.com>
11719 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
11720 the DECL_SIZE for a FIELD_DECL.
11722 2000-03-01 Bruce Korb <bkorb@gnu.org>
11724 * fixinc/inclhack.tpl: remove unused symlinks
11725 * fixinc/README: GCC Maintainer info
11726 * fixinc/inclhack.sh: regen
11727 * fixinc/fixincl.sh: regen
11729 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
11731 * cpphash.c (collect_expansion): Trim trailing white space
11732 from macro definitions, but don't go past the last insertion
11735 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
11737 * i386.md (mulqi3): New pattern.
11739 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
11741 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
11743 (struct cpp_reader): Add parsing_if_directive and
11744 parsing_define_directive flags.
11745 (struct cpp_options): Remove output_conditionals flag.
11746 (check_macro_name): Delete prototype.
11748 * cpphash.h (struct macrodef): Delete.
11749 (struct reflist): Separate from struct definition.
11750 (struct definition): Remove unused fields. Add column number.
11751 (create_definition): Returns a DEFINITION *. Takes a
11752 cpp_reader * and an int.
11754 * cpphash.c (SKIP_WHITE_SPACE): Delete.
11755 (PEEKC): Copy defn from cpplib.c.
11756 (rest_extension, REST_EXTENSION_LENGTH): Delete.
11758 (struct arglist): Simplify.
11759 (collect_expansion): Rewrite. Get tokens by calling
11760 cpp_get_token. Add more error checking.
11761 (collect_formal_parameters): New function, broken out of
11762 create_definition and reworked to use get_directive_token.
11763 (create_definition): All real work is now in collect_expansion
11764 and collect_formal_parameters. do_define handles finding the
11765 macro name. Return a DEFINITION, not a MACRODEF.
11766 (macroexpand): Replace bcopy with memcpy throughout. Replace
11767 character-at-a-time copy loop with memcpy and pointer increments.
11768 (compare-defs): d1->argnames / d2->argnames might be null.
11770 * cpplib.c (copy_rest_of_line): Delete function.
11771 (skip_rest_of_line): Do all the work ourselves.
11772 (skip_string): New function.
11773 (parse_string): Use skip_string.
11774 (get_macro_name): New function.
11775 (check_macro_name): Delete.
11776 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
11777 (cpp_skip_hspace): Use CPP_BUMP_LINE.
11778 (handle_directive): ICE if we're called on a macro buffer.
11779 (do_define): Determine macro name and type (funlike/objlike)
11780 here. Expunge all uses of MACRODEF.
11781 (cpp_push_buffer): Set line_base to NULL.
11782 (do_undef, read_line_number): Don't worry about getting a POP token.
11783 (eval_if_expression): Set/reset parsing_if_directive around
11784 cpp_parse_expr. Don't clear only_seen_white.
11785 (skip_if_group): Remove output_conditionals logic. Use
11787 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
11788 tokens under appropriate conditions.
11789 (cpp_unassert): Call do_unassert not do_assert. Oops.
11791 * cppexp.c (parse_defined): New function, break out of
11793 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
11794 ourselves, with cpp_defined.
11795 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
11797 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
11798 * gcc.dg/strpaste-2.c: New.
11800 2000-02-29 Mark Mitchell <mark@codesourcery.com>
11802 * fold-const.c (size_binop): Don't asert inputs are the same and
11803 have TYPE_IS_SIZETYPE set.
11804 (size_diffop): Likewise.
11806 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
11808 * dwarfout.c (output_block): Output abstract blocks even if they
11809 don't have TREE_ASM_WRITTEN set.
11811 * calls.c (emit_library_call): Check for null REG.
11813 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
11815 * c-decl.c (current_function_decl): Move to toplev.c.
11816 (init_decl_processing): Don't add current_function_decl as a ggc
11818 * dbxout.c (dbxout_symbol): Change return type to int.
11819 (dbxout_symbol_location, dbxout_syms): Likewise.
11820 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
11821 any locals. Use current_function_func_begin_label if set.
11822 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
11823 * dwarf2out.c (dwarf2out_begin_prologue): Set
11824 current_function_func_begin_label.
11825 * final.c (final_start_function): Reset it.
11826 * toplev.c (current_function_decl): Define it here.
11827 (current_function_func_begin_label): New variable.
11828 (main): Add both as ggc roots.
11829 * tree.h (current_function_func_begin_label): Declare.
11831 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11833 * gcse.c: Cleanups throughout: mostly white-space, but also
11834 some minor rearrangement of code.
11836 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
11838 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
11839 returns a PARALLEL. Use emit_group_load and use_group_regs
11841 (emit_library_call_value): Similarly.
11843 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
11844 * pa/quadlib.asm: Remove.
11845 * pa/quadlib.c: New file.
11847 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
11848 * configure: Rebuilt.
11850 2000-02-29 Philip Blundell <pb@futuretv.com>
11852 * config/arm/conix-elf.h: New file.
11853 * configure.in (arm*-*-conix*): New configuration.
11854 * configure: Regenerate.
11856 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
11858 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
11859 don't have TREE_ASM_WRITTEN set.
11861 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11863 * Eliminate DECL_FIELD_SIZE.
11864 * builtins.c (built_in_class_names, built_in_names): New variables.
11865 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
11866 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
11867 DECL_SIZE, not DECL_FIELD_SIZE.
11868 * print-tree.c (print_node): Remove code that prints extra blank
11869 lines in some cases.
11870 Properly handle inline and builtin function cases.
11871 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
11872 * tree.h (built_in_class_named, built_in_names): New declarations.
11873 (union tree_decl): Rename internal unions to u1 and u2 and change
11874 some of their components.
11875 Add new field built_in_class.
11876 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
11877 Reflect above changes.
11878 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
11879 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
11880 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
11881 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
11883 2000-02-28 Dmitri Makarov <dim@windriver.com>
11885 * extend.texi: Document ARM's support for long/short calls.
11887 * invoke.texi: Document ARM's -mlong-calls command line switch.
11889 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
11890 (arm_encode_call_attribute): Add prototype.
11891 (arm_set_default_type_attribute): Add prototype.
11892 (arm_strip_name_encoding): Add prototype.
11894 * config/arm/arm.c (arm_init_cumulative_args): replace
11895 initialisation og 'long_calls' field with initialisation of
11896 'call_cookie' field.
11897 (enum arm_pragma_enum): New enum.
11898 (arm_pragma_long_calls): New static variable.
11899 (arm_process_pragma): Also process "#pragma long_calls_off".
11900 (arm_valid_type_attribute_p): Accept short_call attribute.
11901 (arm_comp_type_attributes): Check long/short call attributes.
11902 (arm_encode_call_attribute): New function: Encode long_call
11903 or short_call attribute in function name.
11904 (arm_set_default_type_attributes): New function: Assign
11905 default attributes to newly defined type.
11906 (current_file_function_operand): New function: Return true if
11907 the symbol is a function which has already been compiled.
11908 (arm_is_longcall_p): New function: Return true if the
11909 indicated function should be called via a long call.
11910 (arm_get_strip_length): New function. Returns number of
11911 prefix characters to be stripped from a function's name.
11912 (arm_strip_name_encoding): New function. Strip prefix characters
11913 from a function's name.
11915 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
11916 with 'call_cookie'.
11917 (SHORT_CALL_FAG_CHAR): Define.
11918 (LONG_CALL_FAG_CHAR): Define.
11919 (ENCODED_SHORT_CALL_ATTR_P): Define.
11920 (ENCODED_LONG_CALL_ATTR_P): Define.
11921 (ARM_NAME_ENCODING_LENGTHS): Define.
11922 (STRIP_NAME_ENCODING): Define.
11923 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
11924 (ARM_ENCODE_CALL_TYPE): Define.
11925 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11926 (ARM_DECLARE_FUNCTION_SIZE): Define.
11927 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11929 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11930 if a long call is needed.
11931 (call_value): Ditto.
11932 (call_symbol): Ditto.
11934 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11935 ARM_DECLARE_FUNCTION_SIZE.
11937 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11938 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11939 (ARM_STRIP_NAME_ENCODING): Undefine.
11940 (STRIP_NAME_ENCODING): Undefine.
11941 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11942 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11943 (ASM_OUTPUT_COMMON): Ditto.
11944 (ASM_DECLARE_OBJECT_NAME): Ditto.
11946 * config/arm/pe.c (arm_dllexport_name_p): Check for
11948 (arm_dllimport_name_p): Ditto.
11949 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11950 (arm_mark_dllimport): Ditto.
11952 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11954 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11956 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11958 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11960 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11962 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11963 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11964 NO_BUILTIN_WCHAR_TYPE is not defined.
11965 (CPP_WCHAR_TYPE): Delete.
11966 * cccp.c (main): Don't change wchar_type if cplusplus.
11967 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11969 2000-02-28 Nick Clifton <nickc@cygnus.com>
11971 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11973 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11975 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11976 (ASM_WEAKEN_LABEL): Define.
11978 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11980 * expr.c (store_constructor): Do not emit USE.
11981 * rtl.h (stupid_life_analysis): Remove.
11983 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11985 * function.c (number_blocks): Reset next_block_index based on
11986 what debugging format is used, not what is defined.
11988 * lcm.c: Minor reformatting throughout.
11989 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11991 * toplev.c (rest_of_compilation): Account for time in
11992 optimize_mode_switching.
11994 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11995 if only marking labels.
11997 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11999 * calls.c (expand_call): Attempt to combine stack adjustments with
12000 pending stack adjustments.
12002 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12004 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12005 to the end of the function.
12007 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12009 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12011 * final.c (next_block_index): Remove.
12012 (max_block_depth): Likewise.
12013 (pending_blocks): Likewise.
12014 (init_final): Don't initialize them.
12015 (final_start_function): Don't set next_block_index. Set up
12017 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12018 * function.h (number_blocks): New function.
12019 * function.c (get_block_vector): New function.
12020 (identify_blocks): Use it.
12021 (reorder_blocks): Set NOTE_BLOCK.
12022 (number_blocks): New function.
12023 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12024 * tree.h (BLOCK_NUMBER): New macro.
12025 (tree_block): Add block_num field.
12026 * dbxout.c (next_block_number): Remove.
12027 (dbxout_init): Don't set it.
12028 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12029 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12031 * toplev.c (rest_of_compilation): Always call
12032 find_loop_tree_blocks. Fix indentation.
12033 * dwarf2out.c (next_block_number): Remove.
12034 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12035 to determine block numbers.
12036 (gen_inlined_subroutine_die): Likewise.
12037 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12038 (decls_for_scope): Don't increment next_block_number.
12039 * dwarfout.c (next_block_number): Remove.
12040 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12041 to determine block numbers.
12042 (output_inlined_subroutine_die): Likewise.
12043 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12044 (output_decls_for_scope): Don't increment next_block_number.
12045 * sdbout.c (next_block_number): Remove.
12046 (sdbout_block): Use BLOCK_NUMBER.
12047 (sdbout_begin_block): Simplify.
12048 * xcoffout.c (next_block_number): Remove.
12049 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12050 (xcoffout_begin_block): Don't set next_block_number.
12051 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12054 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12056 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12057 (expand_builtin_strcpy): Pass correct type to size_binop.
12058 (expand_builtin_strcmp): Likewise.
12059 Clean up conditional structure.
12060 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12061 (complete_array_type): Don't use size_binop for MAXINDEX.
12062 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12063 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12064 (c_alignof): Use size_one_node.
12065 (build_unary_op): Pass arg of proper type to size_binop.
12066 (really_start_incremental_init, push_init_level): Use sizetype for
12067 constructor{,_bit,_unfilled}_index.
12068 (pop_init_label, output_init_element): Likewise.
12069 (output_pending_init_elements, process_init_element): Likewise.
12070 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12071 * expr.c (store_expr): Use size_int.
12072 (store_constructor): Use proper types for size_binop args.
12073 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12074 (expand_expr_unaligned): Likewise.
12075 (string_contant): Return object of sizetype.
12076 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12077 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12078 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12079 * fold-const.c (int_const_binop): Refine when size_int is called.
12080 (fold_convert): Likewise.
12081 (size_int_wide): Rework to take KIND as arg, only take low order
12082 bits, handle new sizetype_tab datatype, and chain entries in
12084 (size_int_type_wide): New function.
12085 (size_binop): Validate types of arguments.
12086 (ssize_binop): Deleted.
12087 (size_diffop): New function.
12088 (extract_muldiv): Only fold division into multiplication for sizetypes.
12089 * function.c (assign_parms): Use size_diffop and make sure
12090 VAR field is of ssizetype; also pass proper type to size_binop.
12091 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12092 (round_down): Deleted from here.
12093 * store-layout.c (sizetype_tab): Now an array.
12094 (sizetype_set, early_root_list): New variables.
12095 (variable_size): Use size_one_node.
12096 (round_up): Pass proper type to size_binop.
12097 (round_down): Moved to here and corrected as above.
12098 (layout_record): Pass proper arg types to size_binop.
12099 (layout_type): Likewise.
12100 If sizetype_set is zero, record the type just laid out.
12101 (make_unsigned_type): Don't call set_sizetype;
12102 (make_signed_type): Likewise; also, call fixup_signed_type.
12103 (initialize_sizetypes): New function.
12104 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12105 set name of bitsizetype to "bit_size_type".
12106 Fix up type of sizes of all types made before call.
12107 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12108 * tree.c (fix_sizetype): Deleted.
12109 (build_common_tree_nodes): Call initialize_sizetypes.
12110 (build_common_tree_nodes_2): Don't call fix_sizetype.
12111 * tree.h (TYPE_IS_SIZETYPE): New macro.
12112 (initialize_sizetype): New declaration.
12113 (enum size_type_kind): New type.
12114 (struct sizetype_tab): Deleted.
12115 (sizetype_tab): Now array; adjust sizetype macros.
12116 (size_diffop, size_int_type_wide): New functions.
12117 (size_int_wide): Change number of args and type; access macros changed.
12118 (ssize_int, sbitsize_int): New macros.
12119 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12120 (ROUND_TYPE_SIZE_UNIT): New macro.
12122 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12124 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12126 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12128 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12129 Mark as possibly unused.
12131 * cse.c (cse_insn): Delete dead code involving tablejump.
12132 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12134 * Makefile.in (libcpp.a): Start by deleting it.
12136 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12138 * cpplib.h (enum file_change_code): Added rename_file.
12139 * cpplib.c (do_line): If a filename is given, set file_change to
12141 (output_line_command): If file_change is rename_file, always
12142 output a # directive with the file name.
12144 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
12146 2000-02-26 Mark Mitchell <mark@codesourcery.com>
12148 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12149 when copying a PARM_DECL or RESULT_DECL.
12151 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12153 * fix-header.c (recognized_function): Also fix prototypes for
12154 functions taking "void".
12156 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12158 * reload1.c (do_output_reload): Check reg_reloaded_valid before
12159 looking at reg_reloaded_contents.
12161 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
12163 * Makefile.in (STMP_FIXINC): New toggle.
12164 (LIBGCC2_DEPS): Delete all references.
12165 (stmp-headers): Delete target. All references either deleted
12166 or changed to stmp-int-headers.
12167 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12168 (LIBCPP_OBJS): Take out cppalloc.o.
12169 (cppalloc.o): Delete target.
12170 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
12171 (gen-protos, fix-header): Link with libiberty.a.
12172 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
12175 * configure.in: Remove refs to strerror.
12176 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
12177 * system.h: Take out strerror stanza.
12179 * cpperror.c (my_strerror): Delete function.
12180 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12181 * cppmain.c (main): Call xmalloc_set_program_name first thing.
12182 * cppalloc.c: Delete file.
12183 * gen-protos.c: Don't provide xrealloc.
12185 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12186 xstrerror throughout.
12188 2000-02-26 Bruce Korb <bkorb@gnu.org>
12190 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12191 match for DOS headers, too.
12192 * fixinc/inclhack.sh,fixincl.x: Regenerate.
12194 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12196 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
12197 is right for most ELF targets.
12198 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12199 Let the default file use %U properly.
12200 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
12203 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
12206 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12208 * toplev.c (documented_lang_options): Correct spelling error.
12209 (decode_d_option, decode_f_option, main): Likewise.
12211 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12213 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12214 to tell assembler it is permitted to expand large constants.
12216 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
12218 * protoize.c: (AUX_INFO_SUFFIX): New macro.
12219 (aux_info_suffix): Use.
12220 (SAVE_SUFFIX): New macro.
12221 (save_suffix): Use.
12222 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
12223 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
12224 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
12226 * invoke.texi (Running Protoize): Update documentation.
12228 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
12230 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
12232 2000-02-25 John Wehle (john@feith.com)
12234 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
12236 2000-02-25 Anthony Green <green@cygnus.com>
12238 * toplev.c (rest_of_compilation): Rebuild jump labels if
12239 combine_instructions has created a new direct jump.
12240 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
12242 (combine_instructions): Call try_combine with new argument.
12243 Return non-null value when new direct jump instruction is created.
12244 * rtl.h: combine_instructions returns an int.
12246 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
12248 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
12249 jump when changing a computed jump into a jump to a known
12252 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
12254 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
12255 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
12257 * i386.md (define_expand "clrstrsi"): Fix typo.
12259 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
12261 * rtl.texi: Fix typo.
12263 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12265 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
12266 UNITS_PER_WORD. Change caller initial_elimination_offset.
12267 (rounded_frame_size): Take into account that argument pushed has
12268 changed. Fix TARGET_ALIGN_DOUBLE problem.
12270 2000-02-25 Geoff Keating <geoffk@cygnus.com>
12272 * haifa-sched.c (schedule_block): Explain the real reason
12273 we delete REG_SAVE_NOTEs on the first insn of a block.
12274 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
12276 2000-02-24 Mark Mitchell <mark@codesourcery.com>
12278 * input.h (push_srcloc): New function.
12279 (pop_srcloc): Likewise.
12280 * toplev.c (push_srcloc): Define it.
12281 (pop_srcloc): Likewise.
12283 2000-02-24 Richard Henderson <rth@cygnus.com>
12285 * flow.c (life_analysis): When collecting reg info, clear
12288 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12290 Fix bug exposed by reload.c no longer rounding the frame
12291 size to BIGGEST_ALIGNMENT:
12292 * sh.c (rounded_frame_size): New function.
12293 (sh_expand_prologue, sh_expand_epilogue): Use it.
12294 (initial_elimination_offset): Likewise.
12296 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12298 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
12299 * sh-protos.h (sh_need_epilogue): Declare.
12300 * sh.c (sh_need_epilogue_known): New static variable.
12301 (sh_need_epilogue): New function.
12302 (function_epilogue): Clear need_epilogue_known.
12303 * sh.md (return): Split into expander / insn pattern.
12304 Make the expander conditional on ! sh_need_epilogue ().
12306 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
12308 * machmode.h (get_mode_alignment): Declare.
12309 (GET_MODE_ALIGNMENT): Call it.
12310 * stor-layout.c (get_mode_alignment): New function. Make
12311 sure alignment is always power of 2.
12313 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12315 * i386.h: Remove useless definition of "I386" and misleading
12318 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12320 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
12321 under which TREE_PERMANENT will be set.
12322 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
12323 build1): Use TREE_SET_PERMANENT.
12324 * print-tree.c (print_node): Don't report value of
12325 TREE_PERMANENT if ggc_p is true.
12327 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
12328 decide whether to give a type a new alias set.
12329 * objc/objc-act.c (build_objc_string_object): Never copy the string.
12330 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
12331 of value of 'obstack'.
12334 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12336 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
12338 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12340 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
12341 * cpplib.c (cpp_get_token): Produce them.
12342 * cppexp.c (cpp_lex): Handle them.
12344 2000-02-23 Nick Clifton <nickc@cygnus.com>
12346 * config/arm/arm.c (arm_comp_type_attributes): Simply and
12347 comment tests on type attributes.
12349 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12351 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
12352 conform to documentation.
12353 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
12354 to check for special cases.
12355 * sh-protos.h (sh_loop_align): Declare.
12356 * sh.c (sh_loop_align): Define.
12358 2000-02-22 Andrew Haley <aph@cygnus.com>
12360 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
12361 (SIZE_TYPE): Is 32 bits when using -mgp32.
12362 (PTRDIFF_TYPE): Ditto.
12364 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12366 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
12368 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12370 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
12371 BIGGEST_FIELD_ALIGNMENT a constant.
12373 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
12375 * dwarf2out.c (output_line_info): Put the marker for the end of
12376 the line number info at the actual end.
12377 (gen_struct_or_union_type_die): Use decl_function_context
12378 to check for local classes.
12379 * dwarfout.c (output_type): Likewise.
12381 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
12383 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
12384 for arguments with a mode, but no type.
12385 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
12386 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
12387 * pa/long_double.h: New file.
12388 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
12389 both have 128bit wide long doubles.
12390 * configure: Rebuilt.
12392 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12394 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12396 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12397 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12398 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12400 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12402 * integrate.c (compare_blocks, find_block): Likewise.
12404 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12406 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
12408 * stmt.c (stmt_status, set_file_and_line_for_stmt,
12409 expand_asm_operands): Likewise.
12411 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
12413 * predict.c (estimate_probability): Added the pointer heuristic to
12414 the collection of static branch predictors.
12416 2000-02-21 Catherine Moore <clm@cygnus.com>
12418 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
12419 * invoke.texi (-mfix7000): Document.
12421 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
12423 * diagnostic.c (init_output_buffer): Make it possible to output at
12424 least 32 characters if we're given a too long prefix.
12426 2000-02-20 Mark Mitchell <mark@codesourcery.com>
12428 * varasm.c (initializer_constant_valid_p): Call
12429 lang_expand_constant to simplify the constant.
12431 2000-02-20 Bruce Korb <bkorb@gnu.org>
12433 * fixinc/inclhack.def(stdio_va_list):
12434 typedef needs to be disabled.
12435 * fixinc/inclhack.sh: regen
12436 * fixinc/fixincl.x: regen
12438 2000-02-20 Geoff Keating <geoffk@cygnus.com>
12440 * print-rtl.c (print_rtx): Don't print addresses when
12441 flag_dump_unnumbered.
12443 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12445 * sparc.c (sparc_output_scratch_registers): Mark parameter with
12447 (sparc_va_arg, sparc_flat_output_function_prologue,
12448 sparc_flat_output_function_epilogue): Cast value to unsigned in
12450 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12452 * sparc.md: Add default case in switch.
12454 2000-02-19 Richard Henderson <rth@cygnus.com>
12456 * c-typeck.c (add_pending_init): Don't abort for multiple
12457 fields at the same offset.
12458 (pending_init_member): Test the correct member.
12460 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12462 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12464 (start_catch_handler) : Same.
12466 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
12468 * Makefile.in: Have flow.o depend on $(EXPR_H)
12470 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12472 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
12473 * c-decl.c (duplicate_decls, finish_enum): Likewise.
12474 (finish_decl): Remove -Wlarger-than code from here.
12475 * flags.h (id_clash_len): Now int.
12476 (larger_than_size): Now HOST_WIDE_INT.
12477 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
12478 Clean up checking to see if in table.
12479 (make_bit_field_ref): Remove extra parm to bitsize_int.
12480 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
12481 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
12482 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
12483 and for computing size of decl.
12484 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
12485 Move -Wlarger-than code to here.
12486 (layout_record): Remove extra arg to bitsize_int.
12487 Set TYPE_BINFO_SIZE_UNIT.
12488 (layout_union): Remove extra arg to bitsize_int.
12489 Use proper type for size of QUAL_UNION.
12490 (layout_type): Remove extra arg to bitsize_int.
12491 * toplev.c (id_clash_len): Now int.
12492 (larger_than_size): Now HOST_WIDE_INT.
12493 (decode_W_option): Clean up id-clash and larger-than- cases.
12494 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
12495 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
12496 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
12497 (struct tree_decl): New field size_unit.
12498 (size_int_wide): No HIGH operand; NUMBER is now signed.
12499 (size_int_2): Deleted.
12500 (size_int, bitsize_int): Don't use it and rework args.
12501 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
12503 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
12505 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
12507 2000-02-18 Geoff Keating <geoffk@cygnus.com>
12509 * invoke.texi (Warning Options): Add an explanation of why
12510 you might want the -Wfloat-equal flag.
12512 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12514 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
12515 * cppinit.c (new_pending_define): Add cast to avoid warning.
12516 * expmed.c (extract_bit_field): Likewise.
12517 * flow.c (enum reorder_skip_type): New type.
12518 (skip_insns_between_blcok): New it.
12519 Rework to avoid warning about possibly undefined variable.
12520 * function.c (assign_parms): Make thisparm_boundary unsigned.
12521 * genrecog.c (write_switch): Cast XWINT result to int.
12522 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
12523 * mips-tfile.c (init_file): Make two versions of FDR intializer:
12524 one for MIPS and one for Alpha.
12525 (get_tag, copy_object): Add casts to avoid warnings.
12526 * optabs.c (init_one_libfunc): Cast NAME to (char *).
12527 * reload.c (find_reloads): Make TYPE enum reload_type.
12528 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
12529 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
12530 * varasm.c (compare_constant_1): Add cast to avoid warning.
12531 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
12533 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
12534 Cast switch operand of size to int.
12535 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
12536 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
12539 2000-02-18 Nick Clifton <nickc@cygnus.com>
12541 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
12542 anything for an alignment of zero.
12544 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
12545 anything for an alignment of zero.
12547 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
12549 * gcc.texi (Bug Reporting): Refer to bugs.html.
12550 (Bug Lists): Likewise.
12551 * system.h (GCCBUGURL): New preprocessor define.
12552 * rtl.c (fancy_abort): Use it.
12553 * gcc.c (main): Likewise.
12555 2000-02-18 Richard Henderson <rth@cygnus.com>
12557 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
12558 (life_analysis_1): Subsume into ...
12559 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
12560 Use update_life_info for the relaxation.
12561 (update_life_info): Update REG_BASIC_BLOCK for registers live on
12562 entry and regs_live_at_setjmp.
12563 (set_noop_p): Simplify.
12564 (notice_stack_pointer_modification_1): Renamed from s/_1//.
12565 (record_volatile_insns): Split into ...
12566 (delete_noop_moves): ... here,
12567 (notice_stack_pointer_modification): ... here,
12568 (insn_dead_p): ... and here.
12569 (propagate_block): Don't query INSN_VOLATILE.
12570 (mark_used_regs): Mind !PROP_REG_INFO.
12571 * toplev.c (rest_of_compilation): Call mark_constant_function here,
12572 not in life_analysis.
12574 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
12576 * loop.c (canonicalize_condition): New function,
12577 broken out of get_condition.
12578 (get_condition): Use it.
12579 * expr.h (canonicalize_condition): Prototype it.
12581 * tree.h (tree_int_cst_msb): Declare.
12582 * tree.c (tree_int_cst_msb): New function.
12584 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12586 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
12589 * invoke.texi (-fmessage-length=n): Document.
12591 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
12593 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
12595 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12597 * function.c (thread_prologue_and_epilogue_insns): Put a line note
12598 after the prologue.
12600 2000-02-17 Nick Clifton <nickc@cygnus.com>
12602 * config/arm/thumb.c: Replace includes of system headers with
12603 #include "system.h".
12605 2000-02-16 Richard Henderson <rth@cygnus.com>
12607 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
12608 Add crtbeginS.o and crtendS.o.
12609 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
12610 (ENDFILE_SPEC): Use crtendS.o.
12611 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
12613 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
12614 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
12615 shared and present.
12616 (__dso_handle): New variable.
12617 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
12618 bias to __CTOR_END__.
12620 2000-02-16 Richard Henderson <rth@cygnus.com>
12622 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
12624 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
12626 * longlong.h (__clz_tab): Declare as static to match definition.
12628 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
12630 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
12631 (XREF_FILE_NAME): Define.
12633 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
12634 (EH_FRAME_SECTION_ASM_OP): Define.
12635 (IDENT_ASM_OP): Define.
12636 (TEXT_SECTION_ASM_OP): Define.
12637 (CPP_SPEC): Define.
12638 (CTORS_SECTION_ASM_OP): Define.
12639 (CTOR_SECTION_FUNCTION): Use it.
12640 (DTORS_SECTION_ASM_OP): Define.
12641 (DTOR_SECTION_FUNCTION): Use it.
12643 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
12645 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
12648 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
12649 debug_bb_n): New functions.
12650 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
12651 * basic-block.h: Prototype new functions.
12653 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
12655 * configure.in: Add support for avr target.
12656 * configure: Rebuilt.
12658 * invoke.texi: Add AVR invocation docs.
12659 * install.texi: Add information about AVR.
12660 * md.texi: Add AVR constraint letters description.
12661 * extend.texi: Add description for AVR specific attributes.
12663 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
12665 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
12667 2000-02-16 Nick Clifton <nickc@cygnus.com>
12669 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
12670 (make_insn_raw): Move RTL check here.
12672 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12674 * version.c: Include gansidecl.h and version.h.
12676 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
12678 * configure.in (gcc_version): When setting, narrow search to
12679 lines containing `version_string'.
12681 * Makefile.in (mainversion): Likewise.
12682 (GCC_H): New variable.
12683 (gcc.h): Delete target.
12684 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
12685 (version.o): Depend on version.h.
12686 (dbxout.o): Don't depend on gcc.h.
12688 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
12689 Michael Meissner <meissner@cygnus.com>
12691 * md.texi (Simple Constraints): Add item about whitespace.
12692 * genoutput.c (strip_whitespace): New.
12693 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
12694 strip_whitespace for constraints.
12695 Test pointer using NULL, not 0.
12697 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12699 * cpplib.c (do_line): Pedwarn for #line > 32767.
12701 * c-lex.c (readescape): Warn about '\x', but do not reject it.
12703 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
12705 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
12706 to default cpp spec.
12707 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
12708 * cpp.texi: Document __GNUC_PATCHLEVEL__.
12711 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
12714 2000-02-15 Denis Chertykov <denisc@overta.ru>
12716 * configure.in: Add support for avr target.
12718 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12720 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
12721 (sh_addr_diff_vec_mode): Don't declare.
12722 * sh.c (sh_addr_diff_vec_mode): Delete.
12724 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12726 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
12728 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12730 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
12731 (smulsi3_highpart_i): Name.
12732 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
12733 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
12734 (smulsi3_highpart, umulsi3_highpart): Likewise.
12736 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
12737 correctly independent of endianness.
12738 (mulsidi3, umulsidi3): Now define_insn. Hide details that
12739 confuse the optimizers.
12740 (mulsidi3+1, umulsidi3+1): New define_split.
12742 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
12744 * config/sh/sh.md: Guard insn splits against illegal registers.
12745 * config/sh/sh.h: Correct comment about macros.
12747 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12748 Andrew MacLeod <amacleod@cygnus.com>
12750 * Makefile.in (lcm.o): Depend on insn-attr.h.
12751 * basic-block.h (optimize_mode_switching): Declare.
12752 * lcm.c (tm_p.h, insn-attr.h): #include.
12753 (seginfo, bb_info): New structs.
12754 (antic, transp, comp, delete, insert) : New file-scope static variables.
12755 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
12756 (reg_becomes_live, optimize_mode_switching): Likewise.
12757 * tm.texi: Add description of mode switching macros.
12758 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
12760 * sh-protos.h (remove_dead_before_cse): Remove prototype.
12761 (fldi_ok, fpscr_set_from_mem): New prototypes.
12762 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
12763 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
12764 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12765 (sh_flag_remove_dead_before_cse): Remove declaration.
12766 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
12767 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
12768 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
12769 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12770 (barrier_align): Allow for JUMP_INSNS containing a parallel.
12771 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
12772 (fldi_ok): New function.
12773 (get_fpscr_rtx): Add fpscr_rtx as GC root.
12774 (emit_sf_insn): Only generate fpu switches when optimize < 1.
12775 (emit_df_insn): Likewise.
12776 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
12777 (sh_flag_remove_dead_before_cse): Delete.
12778 (get_free_reg, fpscr_set_from_mem): New functions.
12779 * sh.md (movdf, movsf): Remove no_new_pseudos code.
12780 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
12782 2000-02-15 Loren Rittle <ljrittle@acm.org>
12784 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
12786 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12788 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
12789 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
12791 * cccp.c: Include version.h and/or don't declare `version_string'.
12792 * collect2.c: Likewise.
12793 * alpha.c: Likewise.
12794 * arm/aof.h: Likewise.
12795 * arm/coff.h: Likewise.
12796 * arm/elf.h: Likewise.
12797 * arm/pe.h: Likewise.
12798 * arm/tcoff.h: Likewise.
12799 * arm/telf.h: Likewise.
12800 * arm/tpe.h: Likewise.
12801 * arm/vxarm.h: Likewise.
12802 * convex/convex.c: Likewise.
12803 * i386/dgux.c: Likewise.
12804 * i386/sun386.h: Likewise.
12805 * m88k/m88k.c: Likewise.
12806 * mcore/mcore-pe.h: Likewise.
12807 * mips/mips.h: Likewise.
12808 * romp/romp.h: Likewise.
12809 * sh/sh.c: Likewise.
12810 * cpphash.c: Likewise.
12811 * cppinit.c: Likewise.
12812 * dwarf2out.c: Likewise.
12813 * dwarfout.c: Likewise.
12816 * mips-tfile.c: Likewise.
12817 * protoize.c: Likewise.
12818 * toplev.c: Likewise.
12819 * tree.h: Likewise.
12821 * version.c (version_string): Constify a char*.
12823 * version.h: New file.
12825 2000-02-14 Nick Clifton <nickc@cygnus.com>
12827 * configure.in: Add mcore-elf and mcore-pe targets.
12828 * configure: Regenerate.
12830 * NEWS: Add note that MCore port has been contributed.
12832 * invoke.texi: Document command line switches for MCore port.
12833 * install.texi: Add MCore to list of supported targets.
12835 2000-02-14 Geoff Keating <geoffk@cygnus.com>
12837 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
12838 then we will need to import the frame handling functions.
12839 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
12840 to import the frames themselves.
12842 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
12843 Jason Eckhardt <jle@cygnus.com>
12845 * basic_block.h: Added prototype for reorder_basic_blocks.
12846 * toplev.c: Changes to add -freorder-blocks and graph dump after
12847 block reordering is done.
12848 * flow.c (reorder_block_def): New structure for use during block
12850 (REORDER_BLOCK_*): New macros to access members of above structure.
12851 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
12852 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
12853 functions for block reordering.
12855 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
12857 * gcc.texi (Passes): Fix typo.
12858 * md.texi (Standard Names): Ditto.
12859 * tm.texi (Storage Layout): Ditto.
12861 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12863 * cpplib.c (do_define): Only free the old definition if it
12866 2000-02-13 Neil Booth <NeilB@earthling.net>
12868 * cppfiles.c (read_and_prescan): When emitting deferred
12869 newlines, test speccase[] again instead of checking each
12870 possible whitespace character in turn. When we encounter \r,
12871 look behind for \n first, then ahead.
12873 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12875 * cse.c (cse_altered): New internal flag.
12876 (cse_insn): Set it if we changed an insn.
12877 (cse_main): Clear cse_altered before each basic block.
12878 Only garbage collect if cse_altered is true afterward.
12880 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12882 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
12884 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
12886 * combine.c (simplify_comparison): Fix typo.
12888 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
12890 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
12893 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12895 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
12896 previously inserted node instead of root node. Caller changed.
12898 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12900 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
12902 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12904 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
12905 __dereg_frame_dtor): Add prototype argument.
12907 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
12909 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
12911 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
12913 * gthr-vxworks.h (__gthread_once): Likewise.
12915 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
12917 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
12919 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
12920 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
12921 stack pointer in functions w/o saved registers, output LEAVE more often
12922 on TARGET_USE_LEAVE machines.
12924 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12926 * config/arm/arm.c (arm_init_cumulative_args); New function:
12927 Initlaise the CUMULATIE_ARGS strcuture for a function
12929 (arm_function_arg): New function: Determine where to place a
12930 function's argument. Also handles deciding the function's
12932 (current_file_function_operand): New function: Return true if
12933 the symbol is a function which has already been compiled.
12934 (arm_is_long_call_p): New function: Return true if the
12935 indicated function should be called via a long call.
12936 (arm_valid_type_attribute_p): New function: Return true if the
12937 attribute is a valid, arm specific, attribute.
12938 (arm_comp_type_attribute): New function: Return true if the
12939 two types have compatable, arm specific, attributes.
12941 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12943 (FUNCTION_ARG): Redefine to call arm_function_arg.
12944 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12946 (INIT_CUMULATIVE_ARGS): Redefine to call
12947 arm_init_cumulative_args.
12948 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12950 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12952 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12954 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12955 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12956 (COMP_TYPE_ATTRIBUTES): Define.
12958 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12959 if a long call is needed.
12960 (call_value): Call arm_is_long_call_p to decide if a long call
12962 (call_symbol): Call arm_is_long_call_p to decide if a long call
12965 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12967 2000-02-11 Denis Chertykov <denisc@overta.ru>
12969 * README.AVR: New file with information about the avr ports.
12970 * config/avr: New directory with avr port files.
12972 2000-02-11 Andreas Jaeger <aj@suse.de>
12974 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12976 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12978 * cpphash.c: Fix formatting, update commentary.
12979 (dump_definition): Take three separate arguments instead of a
12980 MACRODEF structure argument.
12981 * cpphash.h: Update prototype of dump_definition.
12982 * cppinit.c (cpp_finish): Update call of dump_definition.
12984 * cpplib.c (do_define): Always create new hash entry with
12985 T_MACRO type. Remove redundant check for redefinition of
12986 poisoned identifier. Update call of dump_definition.
12987 (do_undef): Don't call check_macro_name. Rename sym_length to
12989 (do_error, do_warning): Don't use copy_rest_of_line or
12991 (do_warning): Don't use pedwarn for the actual warning,
12992 only the notice about its not being in the standard. (Fixes
12993 bug with #warning in system headers.)
12994 (do_ident): Stricter argument checking - accept only a single
12995 string after #ident. Also, macro-expand the line.
12996 (do_xifdef): Use cpp_defined. De-obfuscate.
12998 (do_pragma): Split out specific pragma handling to separate
12999 functions. Use get_directive_token. Update commentary. Do
13000 not pass on #pragma once or #pragma poison to the front end.
13001 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13002 do_pragma_default): New.
13004 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13006 * jump.c (jump_optimize_1): The first operand in a relational
13007 can be a CONST_INT.
13008 * optabs.c (emit_conditional_move): Handle relationals which
13009 have a known true/false result.
13011 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13013 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13014 a RETURN insn into a block which already ends with a jump.
13016 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13018 * haifa-sched.c (BUF_LEN): Increase a lot.
13020 2000-02-11 Nick Clifton <nickc@cygnus.com>
13022 * configure.in: Add tm_p_file specification for thumb targets.
13023 * configure: Regenerate.
13025 * config/arm/thumb-protos.h: New file: Prototypes for exported
13026 functions defined in thumb.c.
13028 2000-02-11 Robert Lipe <robertl@sco.com>
13030 * Makefile.in (bootstrap-lean): Remove additional files.
13031 (bootstrap2-lean): Likewise.
13032 (VOL_FILES): List of files for above.
13034 2000-02-11 Nathan Sidwell <nathan@acm.org>
13036 * cpphash.c (special_symbol): Remove spurious argument to
13039 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13041 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13043 * configure: Rebuilt.
13045 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13047 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13049 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13051 * pa.c, pa.h: Remove trigraph sequences within comments.
13053 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13055 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13057 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13059 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13061 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13063 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13065 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13067 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13068 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13069 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13070 (ASM_FILE_END): Use c4x_file_end.
13071 * config/c4x/c4x.c (c4x_global_label): New function.
13072 (c4x_external_ref, c4x_file_end): Likewise.
13074 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13075 (c4x_external_ref, c4x_end_file): Likewise.
13077 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13079 * cppexp.c: Don't include cpphash.h.
13080 (parse_charconst, cpp_lex): Use cpp_defined.
13081 (cpp_lex): Use get_directive_token throughout. Remove
13082 unnecessary cases from switch. Move assertion-handling code
13083 down to OTHER case.
13084 (cpp_parse_expr): If we see '+' or '-', check the context to
13085 determine if they are unary or binary operators. Streamline
13086 the jumps a bit. Do not call skip_rest_of_line.
13088 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13089 static. Export get_directive_token. Update commentary.
13090 (cpp_defined): New function.
13091 (do_define): Remove reference to T_PCSTRING. Call
13092 free_definition to release memory for old definition, when
13093 redefining a macro.
13094 (eval_if_expression): Set only_seen_white to 0 before calling
13095 cpp_parse_expr. Call skip_rest_of_line after it returns.
13096 (cpp_read_check_assertion): Don't preserve a pointer into the
13097 token buffer across a call to cpp_get_token.
13099 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13100 * cppfiles.c (redundant_include_p): Use cpp_defined.
13101 * cpphash.c (free_definition): New function.
13102 (delete_macro): Use it. Update commentary.
13103 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13105 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13106 from enum node_type. Prototype cpp_defined and get_directive_token.
13107 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13109 * fix-header.c (check_macro_names): Use cpp_defined.
13110 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13111 the options structure.
13113 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13115 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13117 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13119 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13120 rather than die->die_tag.
13122 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13124 * combine.c (make_extraction, force_to_mode): Avoid warning on
13125 mixed-signedness conditionals.
13126 (make_field_assignment, nonzero_bits): Likewise.
13127 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13128 (store_split_bit_field, extract_split_bit_field): Likewise.
13129 (extract_fixed_bit_field, store_bit_field,
13130 * expr.c: Change alignment to be unsigned everywhere.
13131 (move_by_pieces, store_constructor_field, store_constructor):
13132 Alignment parm is unsigned.
13133 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13134 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13135 (do_compare_rtx_and_jump): Likewise.
13136 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13137 Compare align with GET_MODE_ALIGNMENT.
13138 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13139 (get_inner_reference): Likewise.
13140 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13141 (expand_assignment): Local vars for alignment now unsigned.
13142 (store_constructor, store_field, expand_expr, do_jump): Likewise.
13143 (do_compare_and_jump): Likewise.
13144 (store_field): Call new function expr_align.
13145 * expr.h (emit_block_move, emit_group_load, emit_group_store):
13146 Alignment arg now unsigned.
13147 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13148 (do_compare_rtx_and_jump, store_bit_field): Likewise.
13149 (extract_bit_field): Likewise.
13150 * fold-const.c (add_double): Add cast to eliminate signedness warning.
13151 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13152 (get_best_mode): Alignment arg is unsigned.
13153 * rtl.h (move_by_pieces): Likewise.
13154 * store-layout.c (maximum_field_alignment, set_alignment):
13156 (layout_decl): Alignment arg is now unsigned.
13157 Remove unneeded casts.
13158 (layout_record, layout_union, layout_type): Remove unneeded casts.
13159 Local alignment variables now unsigned.
13160 (get_best_mode): Alignment arg now unsigned.
13161 * tree.c (expr_align): New function.
13162 * tree.h (expr_align): Likewise.
13163 (maximum_field_alignment, set_alignment): Now unsigned.
13164 (get_inner_reference): Alignment argument is now pointer to unsigned.
13165 * varasm.c (assemble_variable): Add cast to eliminate warning.
13167 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
13169 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13170 then store directly into op0.
13172 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13173 the CALL_INSN, and emit the note immediately after it.
13175 2000-02-10 Nick Clifton <nickc@cygnus.com>
13177 * config/arm/thumb.md (epilogue): Include a (return) in the
13178 generated insn, and emit it using emit_jump_insn not
13181 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
13183 * function.c (assign_temp): Change zero-sized arrays to size 1.
13184 * integrate.c (expand_inline_function): Do not update
13185 stack_alignment_needed
13186 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13187 add some sanity checking, remove optimization for function with
13190 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13192 * flow.c (mark_regs_live_at_end): Delete unused variables.
13194 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13196 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13197 in macro FRAME_GROWS_DOWNWARD.
13199 * stmt.c (expand_end_bindings): Delete unused variable.
13201 * unroll.c (iteration_info): Mark parameter `loop' with
13204 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13206 * fixinc/server.c (load_data): Return NULL if the marker line is
13208 (run_shell): If load_data returns NULL, retry the command once, in
13211 * configure: Rebuilt.
13213 2000-02-09 Bruce Korb <bkorb@gnu.org>
13215 * gcc/fixincludes: ** DELETED **
13216 * gcc/fixcpp: ** DELETED **
13217 * gcc/fixinc-nt.sed: ** DELETED **
13218 * gcc/just-fixinc: ** DELETED **
13219 * gcc/Makefile.in: Removed out-dated commentary
13220 * gcc/configure.in: Removed fast-fixincludes disablement.
13221 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
13223 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13224 * function.c (thread_prologue_and_epilogue_insns): Uncomment
13227 2000-02-09 Richard Henderson <rth@cygnus.com>
13229 * jump.c (delete_insn): Don't delete user labels at -O0.
13231 2000-02-09 Robert Lipe <robertl@sco.com>
13233 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
13234 Don't link with HOST_LIBS.
13236 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13238 * configure.in: Correct --help text for --with-dwarf2.
13239 Put tm-dwarf2.h after other tm files, if it's requested.
13240 * configure: Regenerate.
13241 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
13244 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13246 * cpplib.h: Provide HASHNODE typedef and forward decl of
13247 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
13248 DEFINITION, struct hashnode, struct macrodef, struct
13249 definition, scan_decls prototype, default defn of
13250 INCLUDE_LEN_FUDGE moved elsewhere.
13252 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
13253 definition, and struct hashnode moved here. Remove the unused
13254 'predefined' field from struct definition. Replace the 'args'
13255 union with its sole member. All users updated (cpphash.c).
13256 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
13257 multiple include guard.
13259 * cpphash.c (hashf): Make static; use better algorithm; drop
13260 HASHSIZE parameter; return an unsigned int.
13261 (cpp_lookup): Drop HASH parameter. PFILE parameter is
13262 used. Calculate HASHSIZE modulus here.
13263 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
13265 (create_definition): Drop PREDEFINITION parameter.
13266 * cpplib.c (do_define): Don't calculate a hash value here.
13267 Don't pass (keyword == NULL) to create_definition.
13269 * scan.h: Prototype scan_decls here.
13270 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
13271 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
13272 callers of cpp_lookup and cpp_install updated.
13274 * cpphash.c (macarg): Hoist all the flag diddling out of the
13276 (macroexpand): ... and out of the loop that calls macarg.
13277 Skip over the initial paren before macro arguments with
13278 cpp_get_non_space_token; point may be some distance before
13279 that paren. Abort if it's not there.
13281 * cpplib.c (parse_clear_mark): Delete function.
13282 (parse_set_mark, parse_goto_mark): Make static.
13283 (ACTIVE_MARK_P): New macro.
13284 (skip_block_comment, skip_line_comment): Do not bump the line
13285 if ACTIVE_MARK_P is true.
13286 (cpp_pop_buffer): The buffer to be popped may not have an
13288 (cpp_get_token): When looking for the initial paren before
13289 macro arguments, only set a mark in a file buffer, Always
13290 return to that mark before proceeding to call macroexpand or
13291 return a NAME token.
13293 * cpplib.h: Remove prototypes of parse_set_mark,
13294 parse_clear_mark, parse_goto_mark.
13295 (struct cpp_options): Rename 'put_out_comments' to
13296 'discard_comments' and invert its sense.
13297 * cppinit.c, cpphash.c, cpplib.c: All users of
13298 put_out_comments changed to use discard_comments, with
13301 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13303 * function.c (thread_prologue_and_epilogue_insns): Don't delete
13304 the edge from a block that both jumps and falls through to the
13307 2000-02-09 Scott Bambrough <scottb@netwinder.org>
13309 * config/arm/arm.md (movsi): In PIC mode, make sure that a
13310 constant source address is legitimate.
13312 2000-02-09 Philip Blundell <pb@futuretv.com>
13314 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
13317 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
13319 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
13321 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13323 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
13324 ends with a newline and a NUL. Don't be so clever manipulating
13327 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
13329 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
13330 not to BIGGEST_ALIGNMENT.
13332 2000-02-08 Geoff Keating <geoffk@cygnus.com>
13334 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
13335 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
13336 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
13337 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
13338 * frame.c (execute_cfa_insn): Handle
13339 DW_CFA_GNU_negative_offset_extended.
13341 2000-02-08 Richard Henderson <rth@cygnus.com>
13343 * flow.c (tidy_fallthru_edges): Split out from ...
13344 (delete_unreachable_blocks): ... here.
13345 (find_basic_blocks): Use it.
13347 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13349 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
13351 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
13353 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
13354 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
13355 (fix-header.o): Don't depend on cpphash.h.
13357 * scan.c (hashstr): New function.
13358 * scan.h: Prototype it.
13359 * fix-header.c: Don't include cpphash.h. Use hashstr.
13360 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
13361 hashstr. Report hash table statistics. Add private
13362 definition of xrealloc.
13364 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13366 * i386.h (TARGET_SWITCHES): Fix typo in option name.
13368 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
13370 * function.c (thread_prologue_and_epilogue_insns): Don't replace
13371 jumps with returns unless they are jumps to the fallthru block.
13373 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
13375 * i386.md (addqi3_cc): Fix contraints.
13377 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13379 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
13381 2000-02-07 Mark Mitchell <mark@codesourcery.com>
13383 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
13384 carriage return after a macro name.
13386 2000-02-07 Fred Fish <fnf@be.com>
13388 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
13389 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
13391 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
13393 * cppfiles.c (deps_output): Count spacers in deps_column.
13395 2000-02-07 Neil Booth <NeilB@earthling.net>
13397 * cppinit.c (initialize_dependency_output): If there is no
13398 suffix, don't try to look for known suffixes. Use strrchr.
13399 (cpp_start_read): Remove duplicate initialization.
13401 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
13403 * calls.c (compute_argument_block_size): New argument
13404 preferred_stack_boundary.
13405 (expand_call): update cfun->preferred_stack_boundary, update call of
13406 compute_argument_block_size
13407 (emit_library_call): Increate cfun->preferred_stack_boundary
13408 to PREFERRED_STACK_BOUNDARY
13409 (emit_library_call_value): Likewise.
13410 * explow.c (allocate_dynamic_stack_spave): Likewise.
13411 * function.c (prepare_function_start): Set
13412 cfun->preferred_stack_boundary
13413 * function.h (struct function): Add preferred_stack_boundary field.
13414 * integrate.c (expand_inline_function): Update
13415 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13416 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13417 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13419 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
13421 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13422 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13423 cpp_pedwarn, cpp_pedwarn_with_line,
13424 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13425 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13426 v_cpp_error_with_line, v_cpp_warning_with_line,
13427 cpp_message_from_errno, cpp_perror_with_name): Delete.
13429 * cpperror.c (cpp_print_containing_files): Take starting
13430 buffer as argument.
13431 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13432 (v_cpp_message): Now called directly by all entry points.
13434 (cpp_pfatal_with_name, cpp_message): Delete.
13435 (cpp_notice_from_errno, cpp_ice): New functions.
13436 (cpp_notice): Is now for reporting error conditions, just
13437 without an associated file.
13438 (cpp_error, cpp_error_with_line): Don't do anything if
13439 opts->inhibit_errors is on.
13440 (cpp_pedwarn_with_file_and_line): Take column argument also.
13442 * cpplib.h: Update prototypes of exported functions.
13443 (struct cpp_options): Add inhibit_errors.
13445 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13446 non-error messages. Include intl.h.
13448 * cppinit.c, cppmain.c: Likewise. Also, use
13449 cpp_notice_from_errno instead of cpp_perror_with_name or
13450 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13452 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13453 report internal errors.
13455 * cpplib.c (do_define): Switch bcopy to memcpy.
13456 Give cpp_pedwarn_with_file_and_line a dummy column argument.
13458 * cpplib.c (copy_rest_of_line): Revert previous change: don't
13459 bail out early if we hit a line comment.
13461 2000-02-06 Richard Henderson <rth@cygnus.com>
13463 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13464 * basic-block.h: Declare them.
13465 * emit-rtl.h (active_insn_p): New.
13466 (next_active_insn, prev_active_insn): Use it.
13467 * rtl.h: Declare it.
13468 * function.c (emit_return_into_block): New.
13469 (thread_prologue_and_epilogue_insns): Insert return insns instead
13470 of epilogues when possible.
13471 * jump.c (jump_optimize_1): Remove code to insert a return insn
13472 on the fallthru to the exit block.
13474 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
13475 and for non-empty stack frames.
13476 * i386.md (return): Expand to return-pop as needed.
13478 2000-02-06 Richard Henderson <rth@cygnus.com>
13480 * simplify-rtx.c (simplify_relational_operation): Canonicalize
13481 constant to op1 for testing.
13483 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13485 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
13486 (fixuns_truncqfqi2): Use it.
13488 2000-02-06 Richard Henderson <rth@cygnus.com>
13490 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
13491 as a TYPE_LEA insn.
13493 * i386.md (widening and peepholes): Mask the constant instead of
13496 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13498 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
13499 input pointer before possibly branching off to the backslash
13501 * cpphash.c (macroexpand): Correctly delete \r escapes when
13502 stringifying parameters.
13503 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
13504 if we can; bail out early if we hit a line comment.
13505 (handle_directive): Treat '# 123' in an .S file just like
13506 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
13507 Return 1 for '# not_a_directive'.
13508 (get_directive_token): Pop macro buffers here, so that
13509 cpp_get_token can't sneakily move past a newline.
13511 (cpp_get_token): goto randomchar if handle_directive returns 0.
13513 * cppalloc.c: Update copyright.
13514 * cpplib.c: Merge all the static function prototypes into one
13516 * cpplib.h: Remove #if 0 block.
13518 * cpperror.c: Remove #ifdef EMACS block.
13519 * cppmain.c: Likewise.
13520 * cpphash.c: Remove #if 0 blocks.
13521 * cppinit.c: Remove #if 0 blocks, and the -lint option.
13522 * cpplib.c: Remove #if 0 blocks and code referencing
13523 pcp_inside_if or for_lint. Remove duplicate error message.
13524 Fix error messages for #else after #else or #elif. Reformat.
13525 Remove archaic TODO list.
13526 * cpplib.h: Remove pcp_inside_if and for_lint flags.
13528 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13530 * i386/osf1elf.h: Add missing backslash to multiline string.
13532 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13534 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
13536 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13538 * Makefile.in (c-common.o): Depend on $(EXPR_H).
13540 * c-common.c: Include expr.h.
13542 * c-pragma.c (mark_align_stack): Add prototype.
13544 * caller-save.c (add_stored_regs): Likewise.
13546 * combine.c (record_promoted_value): Likewise.
13548 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
13551 * cppinit.c (new_pending_define): Likewise.
13553 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
13555 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
13556 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13557 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
13558 class_scope_p): Likewise.
13560 * dwarf2out.h (dwarf2out_set_demangle_name_func,
13561 dwarf2out_add_library_unit_info): Likewise.
13563 * ggc.h (ggc_page_print_statistics): Likewise.
13565 * haifa-sched.c (propagate_deps): Likewise.
13567 * reg-stack.c (next_flags_user, record_label_references): Likewise.
13569 * rtl.h (set_stack_check_libfunc): Likewise.
13571 * toplev.h (set_fatal_function): Likewise.
13573 * toplev.c (set_fatal_function): Delete prototype.
13575 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
13577 2000-02-05 Geoff Keating <geoffk@cygnus.com>
13579 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
13580 (FUNC_END): Likewise.
13582 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13584 * caller-save.c: Include tm_p.h.
13586 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13588 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
13590 2000-02-04 Neil Booth <NeilB@earthling.net>
13592 * cccp.c (main): Check 'dir' for a NULL pointer before passing
13595 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
13597 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
13598 * genflags.c: Use the max_operand_1 logic from genemit.c to
13599 calculate how many arguments gen_insn prototypes have. Remove
13600 NO_MD_PROTOTYPES ifdefs from the generated file.
13601 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
13602 file. Cast gen_insn initializers to insn_gen_fn.
13603 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
13604 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
13606 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13608 * fixinc/Makefile.in (HDR): Add machname.h.
13611 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13613 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
13614 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
13615 (c4x_cpu_version): Ditto.
13616 * config/c4x/c4x-protos.h: ... here.
13618 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
13620 * dwarf2out.c (add_abstract_origin_attribute): Don't call
13621 gen_abstract_function on our context if we're a nested function.
13623 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13625 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
13626 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
13628 2000-02-04 Bruce Korb <bkorb@gnu.org>
13630 * fixinc/genfixes(machname.h):
13631 Move the functionality from gen-machine.h into this file.
13632 UNdef MN_NAME_PAT if there are no names to change.
13633 Also, be a little kinder when AutoGen is not present.
13635 * fixinc/Makefile.in(machname.h):
13636 Change the generation rule to use genfixes.
13638 * fixinc/fixfixes.c(machine_name):
13639 machine_name_fix's functionality now dependent upon whether
13640 MN_NAME_PAT is defined.
13642 * fixinc/fixtests.c(machine_name):
13645 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
13648 * fixinc/fixlib.h(mn_get_regexps):
13651 * fixinc/gen-machine.h: DELETED
13653 2000-02-04 Jan Hubicka <jh@suse.cz>
13654 Richard Henderson <rth@cygnus.com>
13656 * i386.c (SAVE_REGS_FIRST): Remove.
13657 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
13658 (ix86_compute_frame_size): Likewise.
13659 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
13660 (ix86_emit_restore_regs): Remove.
13661 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
13662 when a frame pointer is in use.
13663 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
13664 instead of pop to restore a register when profitable; emit leave
13666 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
13667 as a TYPE_LEA insn.
13668 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
13669 * i386.md (prologue_allocate_stack): Remove.
13670 (epilogue_deallocate_stack): Remove.
13671 (pro_epilogue_adjust_stack): New.
13673 2000-02-04 Richard Henderson <rth@cygnus.com>
13675 * function.c (diddle_return_value): Rework to use a callback function.
13676 Use current_function_return_rtx if it's been set up.
13677 (do_clobber_return_reg, clobber_return_register): New.
13678 (do_use_return_reg, use_return_register): New.
13679 (expand_function_end): Use them.
13680 * stmt.c (expand_null_return): Likewise.
13681 * function.h: Declare them.
13682 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
13683 (mark_reg): Change arguments as appropriate for callback.
13684 * integrate.c (expand_inline_function): Revert 19 Jan change.
13686 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
13688 * tm.texi (Values in Registers): Fix typo: "fo" "for".
13689 (Misc): Say the scheduler, not the Haifa scheduler.
13691 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
13693 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
13694 when in_mem is set. Update all callers.
13696 2000-02-04 Richard Henderson <rth@cygnus.com>
13698 * i386/openbsd.h (INT_ASM_OP): Define.
13700 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
13702 * tm.texi: Fix various typos.
13704 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
13706 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
13707 (MD_STARTFILE_PREFIX_1): New macro.
13709 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
13711 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
13712 destination when needed.
13713 (strmovsi, strsetsi): New expander.
13714 (strmovsi_1, strsetsi_1): New pattern.
13715 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
13716 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
13717 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
13718 * invoke.texi (align-stringops, inline-all-stringops): Document.
13720 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
13722 * i386/netbsd.h (INT_ASM_OP): Define.
13724 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
13726 * cpplib.h (cpp_reader): Add new flag, no_directives.
13727 * cpphash.c (macarg): Set it.
13728 * cpplib.c (handle_directive): If no_directives is on and we
13729 find a directive, issue an error and discard the line.
13731 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
13733 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
13734 FP constants. Add ! TARGET_FPU check for FP constants.
13736 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
13738 * flow.c (find_basic_blocks): Don't kill label_value_list
13740 (cleanup_cfg): Kill it here.
13742 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13744 * expr.c (store_field): Ensure ALIGN is no stricter than the
13747 2000-02-02 Richard Henderson <rth@cygnus.com>
13749 * jump.c (delete_insn): Partially revert 19 Jan change;
13750 don't convert unused code labels to notes at -O0.
13752 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13754 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
13755 split_all_insns to recreate REG_LABEL notes for flow2 pass.
13757 2000-02-01 Richard Henderson <rth@cygnus.com>
13759 * i386.c (general_no_elim_operand): New.
13760 (nonmemory_no_elim_operand): New.
13761 (ix86_expand_move): Copy eliminable operands before a push.
13762 * i386-protos.h: Declare new functions.
13763 * i386.h (CAN_ELIMINATE): Simplify.
13764 (PREDICATE_CODES): Update.
13765 * i386.md (push insns): Don't allow eliminable register operands.
13767 2000-02-01 Richard Henderson <rth@cygnus.com>
13769 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
13770 replace BLKmode with DECL_RTL's mode.
13772 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
13774 * frame.c (find_fde): Convert for loop to do-while so compiler
13775 sees it's always executed at least once.
13776 * libgcc2.c (BBINBUFSIZE): Kill.
13777 (__bb_init_prg): Use fgets.
13778 (__bb_exit_trace_func): Don't paste strings.
13779 * unroll.c (unroll_loop): Initialize unroll_type, not
13780 unroll_number, and tweak logic to match.
13782 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
13784 (ix86_flags_dependant): Likewise. Disentangle control flow.
13785 (ix86_sched_reorder): Break guts out to
13786 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
13787 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
13790 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
13791 use string concatenation. Don't save and restore esi.
13793 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
13794 (machname.h): Remove script to separate file. Use two-step
13795 sequence so target is not created if script fails.
13796 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
13797 identifiers are defined.
13798 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
13799 an empty string, machine_name doesn't need to do anything at
13801 (is_cxx_header): Add more cases to regexp.
13802 * fixinc/fixlib.h: Update prototype.
13803 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
13805 * fixinc/fixincl.c: Define NO_BOGOSITY.
13807 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
13808 (hp_sysfile): Add missing comma.
13809 (math_exception): Put the wrapper ifdefs at the beginning and
13810 the end of the file.
13811 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
13813 2000-02-01 Richard Henderson <rth@cygnus.com>
13815 * sparc.c (fp_zero_operand): Turn into a normal predicate.
13816 Use CONST0_RTX. Update all callers.
13817 * sparc.h, sparc-protos.h: Update accordingly.
13818 * sparc.md (fp mov insns): Use fp_zero_operand directly
13821 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13823 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
13826 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13828 * Makefile.in (specs.ready): New target.
13829 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
13831 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13833 * fixinc.irix: Use unique filenames for writing into /tmp,
13834 * fixinc.ptx: Likewise.
13835 * fixinc.sco: Likewise.
13836 * fixinc.svr4: Likewise.
13837 * fixinc.winnt: Likewise.
13839 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13841 * tsystem.h: New file.
13843 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
13844 s-crtS): Depend on tsystem.h.
13846 * crtstuff.c: Include tsystem.h.
13847 * frame.c: Likewise.
13848 * libgcc2.c: Likewise.
13850 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
13852 * builtins.c (expand_builtin_memset): Expand for variable sized
13855 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
13857 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
13860 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13862 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
13864 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
13866 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
13868 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
13869 case 3->2 combining (combining with splitting) in which 2 is CC0
13870 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
13871 checked at the begining of the function with the aid of calling
13872 function 'can_combine_p'.
13874 2000-01-31 Dave Brolley <brolley@redhat.com>
13876 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
13878 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
13880 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
13883 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13885 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
13887 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
13890 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13892 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
13893 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
13894 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
13895 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
13896 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
13897 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
13898 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
13899 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
13900 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
13901 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
13903 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
13904 Add %(cpp_cpu) to CPP_SPEC.
13906 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
13907 Add %(cc1_cpu) to CC1_SPEC.
13909 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13911 * c-decl.c (c_decode_option): Accept optional numeric argument to
13912 -Wformat and set warn_format.
13913 * c-common.c: Don't emit warning about non-constant printf format
13914 string unless warn_format > 1.
13916 2000-01-30 Richard Henderson <rth@cygnus.com>
13918 * alpha.md (return_internal): Allow after reload only.
13920 2000-01-30 Richard Henderson <rth@cygnus.com>
13922 * i386.c (ix86_compute_frame_size): Omit padding1 if the
13923 local frame size is zero.
13925 2000-01-30 Richard Henderson <rth@cygnus.com>
13927 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13928 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13929 * alpha.md (return): Turn into an expander.
13930 (return_internal): Don't use $26.
13931 (epilogue): Emit the return insn.
13933 2000-01-30 Richard Henderson <rth@cygnus.com>
13935 * alpha.md (negtf2, abstf2): Fix word order thinko.
13936 (extendsftf2): New.
13937 (trunctfsf2): Avoid intermediate rounding errors.
13939 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13941 * cppfiles.c (find_position): Drop 'colp' argument, return the
13943 (read_and_prescan): Adjust to match. Don't ever manipulate
13944 line or line_base except via find_position.
13946 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13948 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13949 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13952 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13954 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13955 just print "<command line>". If 'filename' is null or an
13956 empty string, print "<stdin>" for the filename.
13957 * cpplib.c (do_define): Don't print the 'location of the
13958 previous definition' message if we're still parsing the
13960 (cpp_pedwarn_with_file_and_line): Always call
13961 cpp_file_line_for_message.
13963 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13965 * flow.c (mark_regs_live_at_end): Fix typo.
13967 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13969 * c-common.c: Adjust variable names, comments, help strings to c99.
13970 * c-lex.c: Likewise.
13971 * c-parse.y: Likewise.
13972 * c-tree.h: Likewise.
13973 * cccp.c: Likewise.
13974 * cpplib.h: Likewise.
13975 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13976 * cppinit.c: Likewise.
13978 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13980 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13981 * c4x.c: Define the optab rtx values.
13982 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13983 (c4x_emit_libcall): Use new optab rtx values.
13984 (c4x_emit_libcall3): Likewise.
13985 (c4x_emit_libcall_mulhi): Likewise.
13986 * c4x-protos.h: Add prototypes for optab rtx values and change
13987 prototypes for above c4x_emit_libcall functions.
13989 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13991 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13993 (c4x_function_prologue): Use regnames intead of float_reg_names when
13995 (c4x_function_epilogue): Likewise.
13996 (c4x_print_operand): Likewise.
13997 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13998 * c4x.md (set_high): Disable for TARGET_TI.
14000 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14002 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14003 of framepointer + constant to ADDR_REGS class.
14004 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14005 * c4x.c (std_or_reg_operand): New function.
14006 * c4x-protos.h (std_or_reg_operand): Prototype it.
14008 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14010 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14011 object names as libgcc2.c.
14012 * libgcc.S: Use newly defined names.
14014 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14015 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14017 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14018 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14019 (FLOW_LOOP_LAST_BLOCK): Likewise.
14021 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14023 * basic-block.h (struct loop): New fields 'first' and 'last'.
14024 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14025 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14026 and loop->last to check for NOTE_INSN_LOOP_END.
14028 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14030 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14031 of the loop descriptor rather than HEADER and LATCH. Also added
14032 missing break statements as well making some coding style modifications
14033 as suggested by Michael Hayes.
14035 2000-01-28 Richard Henderson <rth@cygnus.com>
14037 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14038 Break out that code ...
14039 (cleanup_cfg): ... here.
14040 (commit_one_edge_insertion): Detect a return instruction being
14041 emitted to an edge. Emit a barrier following; clear fallthru.
14042 (commit_edge_insertions): Verify CFG consistency.
14043 * function.c (expand_function_start): Kill unused variable.
14044 (expand_function_end): Likewise.
14045 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14046 to insert the epilogue.
14048 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14049 (delete_null_pointer_checks): Likewise.
14050 * output.h: Likewise.
14051 * reg-stack.c (reg_to_stack): Likewise.
14052 * toplev.c (rest_of_compilation): Likewise. Run
14053 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14055 2000-01-28 Richard Henderson <rth@cygnus.com>
14057 * Makefile.in (flow.o): Revert 24 Jan change.
14058 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14059 FUNCTION_VALUE result to DECL_RESULT's mode.
14061 * haifa-sched.c (schedule_insns): Don't recompute reg info
14064 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14066 * configure.in: Make --enable-cpplib the default.
14067 * configure: Regenerate.
14068 * gcc.dg/990119-1.c: No longer expected to fail.
14070 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14072 * jump.c (jump_optimize_1): Delete an optimization that is also done
14073 by merge_blocks in flow.
14075 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14077 * diagnostic.c (build_message_string, output_printf,
14078 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14079 (build_location_prefix): Fix non-literal format string.
14081 2000-01-27 Richard Henderson <rth@cygnus.com>
14083 * alpha.md (trunctfsf2): New.
14085 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14087 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14089 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14091 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14093 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14095 (skip_comment) ... here. Permit C++ comments in system
14096 headers always. Warn about C++ comments in user code under
14097 -std=gnu89 -pedantic.
14098 (copy_comment): Use skip_comment.
14099 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14101 (consider_directive_while_skipping, do_else, do_endif): Call
14102 validate_else unconditionally.
14103 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14104 text after the conditional in a system header.
14105 * cpplib.h (struct cpp_buffer): Add flag
14106 warned_cplusplus_comments.
14108 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14110 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14111 Use unshare_all_rtl_1.
14112 (unshare_all_rtl_again): New function.
14113 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14115 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14116 rather than resetting the 'used' flags ourself.
14118 * toplev.c (rest_of_compilation): Add current_function_decl
14119 to the unshare_all_rtl call.
14120 * tree.h: Prototype unshare_all_rtl.
14121 * rtl.h: Prototype unshare_all_rtl_again here.
14123 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14125 * genoutput.c (output_prologue): Include ggc.h in generated
14127 * Makefile.in (insn-output.o): Depends on ggc.h.
14129 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14130 Hans-Peter Nilsson <hp@bitrange.com>
14132 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14133 Remove redundant include of xm-ns32k.h.
14134 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14135 Remove redundant include of xm-ns32k.h.
14136 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14137 Remove redundant include of xm-ns32k.h.
14138 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14140 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14141 (TARGET_SWITCHES): Add documentation strings.
14142 (DWARF_FRAME_REGNUM): Override default definition.
14143 (REG_CLASS_CONTENTS): Add comments.
14144 (SUBSET_P): Format to reduce line length.
14145 (SMALL_REGISTER_CLASSES): Make a run time option.
14146 (GO_IF_NONINDEXED_ADDRESS): Reformat.
14147 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14148 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
14149 (regclass_map): fix typo in comment.
14150 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14151 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14152 (trace, reg_or_mem_operand): Delete, unused function.
14153 (calc_address_cost): Small offsets are cheaper than large ones.
14154 (expand_block_move): Generate more efficient code when bytes is a
14155 known at compile time.
14156 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14157 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14158 instead of reg_or_mem_operand.
14160 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14161 not general_operand. Similarly use "=rm" or stricter, not "=g".
14162 For input operands, use stricter constraints than "g" if not
14163 general_operand. Similarly use stricter predicate than
14164 "general_operand" when stricter constraints than "g" are present,
14165 except for matching constraints.
14166 (movstrsi): Use "memory_operand" for operands 0 and 1.
14167 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
14168 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14169 not reg_or_mem_operand.
14170 (udivmoddisi4): Ditto.
14171 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14172 Use nonimmediate_operand for operand 3, not register_operand.
14173 (udivmoddiqi4_internal): Use register_operand for operand 1, not
14174 reg_or_mem_operand.
14176 2000-01-27 Fred Fish <fnf@be.com>
14178 * gthr-posix.h: Fix typo; compatibily -> compatibility.
14179 * gthr-single.h: Likewise.
14180 * gthr-solaris.h: Likewise.
14181 * gthr-vxworks.h: Likewise.
14182 * gthr-win32.h: Likewise.
14183 * gthr.h: Likewise.
14185 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14187 * cppinit.c: Add " (cpplib)" to end of string printed by
14190 2000-01-27 Richard Henderson <rth@cygnus.com>
14192 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14193 testing for a signed comparison.
14194 (alpha_emit_floatuns): New.
14195 * alpha-protos.h: Declare it.
14196 * alpha.md (floatunsdisf2, floatunsdidf2): New.
14197 (extendsfdf2): Tidy.
14199 2000-01-27 Jakub Jelinek <jakub@redhat.com>
14201 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14202 no -g option specifying debugging format, default to -gstabs+.
14204 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14206 * calls.c (special_function_p): New argument fork_or_exec.
14207 (expand_call): When profile_arc_flag is set and the function
14208 is in the fork_or_exec group, call __bb_fork_func first.
14209 * libgcc2.c, _bb module (__bb_fork_func): New function.
14210 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14212 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14213 * tree.h (special_function_p): Update prototype.
14215 2000-01-26 Richard Henderson <rth@cygnus.com>
14217 * alpha.c (alpha_split_tfmode_pair): New.
14218 * alpha-protos.h: Declare it.
14219 * alpha.md (abstf2, negtf2): New.
14220 (movtf insn): Add input G constraint.
14221 (movtf splitter): Use alpha_split_tfmode_pair.
14223 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14225 * i386/cygwin.h: PROTO -> PARAMS.
14227 2000-01-26 Jakub Jelinek <jakub@redhat.com>
14229 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
14230 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
14231 using _Qp_cmp/_Q_cmp and testing the return value.
14232 (print_operand): Call reverse_condition_maybe_unordered if
14233 we are handling CCFPmode or CCFPEmode.
14234 Handle ORDERED, UN* and LTGT comparisons.
14235 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
14236 if not TARGET_HARD_QUAD.
14237 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
14238 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
14239 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
14240 Adjust gen_b* calls so that they reflect return comparison of
14241 sparc_emit_float_lib_cmp.
14243 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14245 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
14246 incoming operands array is large enough for one more operand.
14247 (alpha_emit_xfloating_arith): Likewise.
14249 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14251 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
14252 file with one line and no trailing newline.
14253 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
14254 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
14255 checking if the match is on the line.
14256 * fixinc/gnu-regex.c: Provide regerror not __regerror.
14258 2000-01-25 Richard Henderson <rth@cygnus.com>
14260 * sparc.c (output_cbranch): Fix accidental squashing of the
14261 fp branch pre-delay nop.
14263 2000-01-25 Richard Henderson <rth@cygnus.com>
14265 * tree.def (UNNE_EXPR): Remove.
14266 * c-typeck.c (build_binary_op): Don't handle it.
14267 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
14269 * rtl.def (UNNE): Remove.
14271 * jump.c (reverse_condition): Update accordingly.
14272 (swap_condition): Likewise.
14273 (comparison_dominates_p): Handle unordered comparisons.
14274 (reverse_condition_maybe_unordered): New.
14275 * rtl.h (reverse_condition_maybe_unordered): Declare.
14277 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
14278 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
14279 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
14280 * sparc.md (bltgt): New.
14282 2000-01-25 Nick Clifton <nickc@redhat.com>
14284 * emit-rtl.c (emit_insn): Only check machine class insns for
14285 improper emission of a RETURN.
14287 2000-01-25 Richard Henderson <rth@cygnus.com>
14289 * Makefile.in (flow.o): Depend on $(EXPR_H).
14290 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
14291 duplicate the structure of diddle_return_value for keeping regs live.
14293 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14295 * loop.c (current_loop_info): Delete.
14296 (consec_sets_invariant_p): Add loop argument, update callers.
14297 (get_condition_for_loop): Likewise.
14298 (count_nonfixed_reads, update_giv_derive): Likewise.
14299 (simplify_giv_expr, general_induction_var): Likewise.
14300 (consec_sets_giv, recombine_givs): Likewise.
14301 (move_movables): Delete loop_start and loop_end arguments,
14302 add loop argument, and update callers.
14303 (find_mem_givs, check_final_value): Likewise.
14304 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
14305 (loop_invariant_p): Rename from invariant_p, add loop argument, and
14307 (basic_induction_var): Add loop argument, delete loop_level argument,
14308 and update callers.
14309 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
14310 add loop argument, and update callers.
14311 (find_splittable_regs, find_splittable_givs): Likewise.
14312 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
14313 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
14314 (biv_total_increment): Delete loop_start and loop_end arguments;
14316 (precondition_loop_p): Delete loop_start and loop_info arguments;
14318 * loop.h (get_condition_for_loop): Add loop argument.
14319 (biv_total_increment): Delete loop_start and loop_end arguments.
14320 (precondition_loop_p): Delete loop_start and loop_info arguments;
14322 (final_biv_value): Delete loop_start and loop_end arguments;
14324 (final_giv_value, back_branch_in_range_p): Likewise.
14326 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14328 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
14330 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14332 * Makefile.in (c-gperf.h) : Change the "See" pointer to
14333 point to the new "generated_files" doc.
14335 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14337 * config/fp-bit.c (_unord_f2): Fix typo.
14339 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14341 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
14342 c-typeck.c, objc/objc-act.c: Remove all references to obstack
14343 functions obsoleted by GC, such as push_obstacks_nochange,
14344 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
14345 and code which existed only to decide whether or not to call
14346 them. Remove now-unused NESTED argument from start_function;
14347 all callers changed. Do not change behavior based on ggc_p.
14348 The use of the ixp_obstack in c-iterate.c and the util_obstack
14349 in objc/objc-act.c remain; these are not obsoleted by garbage
14351 * c-tree.h: Update prototype for start_function.
14353 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
14355 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14357 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
14360 2000-01-25 Richard Henderson <rth@cygnus.com>
14362 * sparc-protos.h (select_cc_mode): Declare.
14363 * sparc.c (select_cc_mode): New. Handle unordered compares.
14364 (output_cbranch): Always reverse via code change. Handle
14365 unordered compares. Factor tests and string updates.
14366 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
14367 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
14368 * sparc.md (bunordered, bordered): New.
14369 (bungt, bunlt, buneq, bunge, bunle): New.
14371 2000-01-25 Richard Henderson <rth@cygnus.com>
14373 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
14374 * ggc-common.c (ggc_add_rtx_varray_root): New.
14375 (ggc_mark_rtx_varray): New.
14376 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
14377 functions down below ggc_mark_foo.
14378 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
14380 2000-01-25 Richard Henderson <rth@cygnus.com>
14382 * alpha.c (secondary_reload_class): Don't allocate a secondary
14383 for integral mode memories into FLOAT_REGS. Rearrange the more
14384 complicated memory expression inward.
14386 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14388 * inclhack.def: Fixes to play nicer with FreeBSD, and
14389 corrections to comments.
14390 (cxx_unready): Add select expression.
14391 (irix_sockaddr): Add bypass expression.
14392 (machine_ansi_h_va_list): New fix.
14393 (stdio_va_list): No need to edit _BSD_VA_LIST_.
14394 Split out addition of "#include <stdarg.h>" to...
14395 (stdio_stdarg_h): ... here.
14396 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
14397 to stdlib.h also. Do not munge _BSD_SIZE_T_.
14398 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14400 (ultrix_ifdef): Tighten up select expression.
14402 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
14403 re_ct and max_mach to avoid use of shell. Make printed names
14404 match names in inclhack.def. Use static copyright date.
14405 Don't count c_test and test expressions as requiring regex_t
14406 slots. Add some commentary.
14407 * inclhack.tpl: Do not include the 'This script contains N
14408 fixup scripts' line if PROGRAM is defined. Use static
14411 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
14413 * dwarf2out.c: include "varray.h", not dyn-string.h.
14414 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14415 (addr_const_to_string, addr_to_string): Lose.
14416 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14417 (struct dw_val_struct): val_addr is now an rtx.
14418 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14419 (used_rtx_varray): New varray.
14420 (dwarf2out_init): Initialize it.
14421 (save_rtx): New fn.
14422 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
14424 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14425 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14426 * Makefile.in (dwarf2out.o): Update dependencies.
14428 2000-01-24 Richard Henderson <rth@cygnus.com>
14430 * i386.c (i386_dwarf_output_addr_const): New.
14431 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14433 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14435 * dwarfout.c (output_mem_loc_descriptor): Likewise.
14436 * i386.c (i386_simplify_dwarf_addr): New.
14437 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14439 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
14441 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14442 TYPE_STUB_DECL is NULL.
14444 2000-01-24 Richard Henderson <rth@cygnus.com>
14446 * builtins.c (expand_tree_builtin): Move ...
14447 * c-common.c (expand_tree_builtin): ... here.
14449 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14451 * loop.h (LOOP_INFO): New accessor macro.
14452 * basic-block.h (struct loop): Rename field `info' to `aux'.
14453 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14454 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14455 * unroll.c (loop_iterations, unroll_loop): Likewise.
14457 2000-01-24 Christopher Faylor <cgf@cygnus.com>
14459 * config/i386/t-cygwin: Accomodate new winsup directory layout
14460 when searching for include files.
14462 2000-01-24 Richard Henderson <rth@cygnus.com>
14464 * rtl.def: Add unordered fp comparisions.
14465 * tree.def: Likewise.
14466 * tree.h: Add ISO C 9x unordered fp comparision builtins.
14468 * builtins.c (expand_tree_builtin): New function.
14469 * c-typeck.c (build_function_call): Use it.
14470 (build_binary_op): Support unordered compares.
14471 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
14473 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
14474 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
14475 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
14476 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
14477 * jump.c (reverse_condition): Don't abort for UNLE etc, but
14479 (swap_condition): Handle unordered compares.
14480 (thread_jumps): Check can_reverse before reversing.
14481 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
14484 * optabs.c (can_compare_p): New argument CODE. Verify branch or
14485 setcc is present before acking for cmp_optab. Update all callers.
14486 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
14487 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
14488 * expr.c (expand_expr): Likewise. Support unordered compares.
14489 (do_jump, do_store_flag): Likewise.
14490 * expr.h (enum libfunc_index): Add unordered compares.
14492 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
14493 (DPBIT_FUNCS): Add _unord_df.
14494 * config/fp-bit.c (_unord_f2): New.
14495 * fp-test.c (main): Try unordered compare builtins.
14497 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
14498 * alpha.c (alpha_comparison_operator): Check mode properly.
14499 (alpha_swapped_comparison_operator): Likewise.
14500 (signed_comparison_operator): Likewise.
14501 (alpha_fp_comparison_operator): New.
14502 (alpha_emit_conditional_branch): Handle unordered compares.
14503 * alpha.h (PREDICATE_CODES): Update.
14504 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
14505 (bunordered, bordered): New.
14507 2000-01-24 Richard Henderson <rth@cygnus.com>
14509 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
14510 * alpha.md (movtf): New expander, insn, and splitter.
14512 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
14514 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14517 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
14519 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
14520 (FIXED_REGISTERS, CALL_USED_REGISTERS,
14521 REG_ALLOC_ORDER): Add frame pointer
14522 (FRAME_POINTER_REGNUM): Set to 20
14523 (HARD_FRAME_POINTER_REGNUM): New macro.
14524 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
14525 to HARD_FRAME_POINTER.
14526 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
14527 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
14528 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
14529 (HI_REGISTER_NAMES): Add "frame".
14530 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
14531 (debug_reg): Handle FRAME_POINTER_REGNUM.
14532 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
14533 GENERAL_REGS and INDEX_REGS.
14534 * i386.c (SAVED_REGS_FIRST): new macro.
14535 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
14536 (ix86_decompose_address, memory_address_length): Likewise.
14537 (regclass_map): Add frame pointer.
14538 (call_insn_operand): Handle frame_pointer_rtx.
14539 (reg_no_sp_operand): Likewise.
14540 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
14541 (print_operand, legitimize_pic_address): Fix formating.
14542 (ix86_compute_frame_size): Make static, update prototype, new
14543 parameters padding1, padding2, use ix86_nsaved_regs, use
14544 stack_alignment_needed.
14545 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
14546 to HARD_FRAME_POINTER_REGNUM conversions.
14547 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
14548 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
14549 (print_reg): Abort on FRAME_POINTER_REGNUM
14551 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
14553 * i386.h (PREDICATE_CODES): Add aligned_operand.
14554 * i386.c (aligned_operand): New function.
14555 (ix86_aligned_p): Kill.
14556 * i386.md (movhi_1): Emit mov for aligned operands.
14557 (promoting peep2s): Use aligned_operand.
14559 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
14561 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
14562 expression to allow underscores in macro names.
14563 (fix_char_macro_defines): Increment scanning pointer.
14565 2000-01-23 Richard Henderson <rth@cygnus.com>
14567 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
14568 * alpha/osf5.h: New file.
14569 * configure.in (alpha-*-osf5): Add it to tm_file.
14571 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
14573 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
14574 (alpha_emit_xfloating_cvt, function_arg): Declare.
14575 * alpha.c (alpha_emit_conditional_branch): Call
14576 alpha_emit_xfloating_compare for TFmode compares.
14577 (alpha_lookup_xfloating_lib_func): New.
14578 (alpha_compute_xfloating_mode_arg): New.
14579 (alpha_emit_xfloating_libcall): New.
14580 (alpha_emit_xfloating_arith): New.
14581 (alpha_emit_xfloating_compare): New.
14582 (alpha_emit_xfloating_cvt): New.
14583 (print_operand): Add default abort case.
14584 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
14585 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
14586 (BIGGEST_ALIGNMENT): Increase to 128 bits.
14587 (RETURN_IN_MEMORY): True for TF/TCmode.
14588 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
14589 (FUNCTION_ARG): Move to function_arg.
14590 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
14591 (ASM_OUTPUT_LONG_DOUBLE): New.
14592 (ASM_OUTPUT_DOUBLE): Always output bits.
14593 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
14594 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
14595 (extenddftf2, trunctfdf2): New.
14597 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14599 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
14600 * config/sparc/sol2.h: ... here.
14602 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14604 * basic-block.h (struct loops): New field `levels'.
14605 * flow.c (flow_loops_level_compute): Traverse all outer loops.
14606 (flow_loop_level_compute): Initialise level to 1.
14607 (flow_loops_find): Set loops->levels.
14608 (flow_loops_dump): Print loops->levels.
14610 2000-01-23 Richard Henderson <rth@cygnus.com>
14612 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
14613 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
14615 2000-01-23 Richard Henderson <rth@cygnus.com>
14617 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
14618 * i386.h (DBX_REGISTER_NUMBER): Use them.
14619 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
14620 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
14621 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
14622 * i386/sequent.h: Kill incorrect comment.
14624 2000-01-23 Mark Mitchell <mark@codesourcery.com>
14626 * ggc-page.c (struct page_entry): Make `context_depth' an
14628 (struct globals): Likewise.
14630 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
14632 * loop.c (check_dbra_loop): When checking a loop for
14633 reversability, check the source of any stores to ensure
14634 they don't depend on an initial value.
14636 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14638 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
14640 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
14642 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
14643 'pz_scan' into scope of entire function. Only affects
14644 compiles with -DDEBUG.
14646 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
14648 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
14649 section naming to that prior to 2000-01-07 patch.
14650 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
14651 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
14652 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
14653 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
14654 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
14656 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
14658 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
14661 2000-01-21 Jim Wilson <wilson@cygnus.com>
14663 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
14664 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
14666 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14668 * cpphash.c (change_newlines): Delete function.
14669 (struct argdata): Delete 'newlines' and 'use_count' fields.
14670 (macroexpand): Remove code referencing those fields.
14672 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14674 * loop.c (loops_info): New variable.
14675 (loop_optimize): Allocate loops->array and free it on exit.
14676 Allocate memory for loops_info and assign to each loop,
14678 (find_and_verify_loops): Do not allocate loops->array.
14680 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14682 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
14684 2000-01-21 Jakub Jelinek <jakub@redhat.com>
14686 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
14687 pseudos if expanded after first flow.
14688 (movdi_pic_label_ref): Likewise.
14690 2000-01-20 Richard Henderson <rth@cygnus.com>
14692 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
14694 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
14696 * Makefile.in (fixinc.sh): Depend on specs.
14697 * fixinc/Makefile.in: Add rule to create machname.h.
14698 (fixlib.o): Depend on machname.h.
14699 * fixinc/fixtests.c (machine_name): New test.
14700 * fixinc/fixfixes.c (machine_name): New fix.
14701 * fixinc/fixlib.c (mn_get_regexps): New helper function for
14702 the machine_name test and fix.
14703 * fixinc/fixlib.h: Prototype it.
14704 * fixinc/inclhack.def (machine_name): Use the C test and fix.
14705 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
14707 * gcc.c (do_spec_1) [case P]: Take care not to create
14708 identifiers with three leading or trailing underscores.
14710 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
14711 (fixincl): Don't specify libraries twice on link line.
14712 (gnu-regex.o): Remove special rule.
14713 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
14714 defined by config.h. Do not define _REGEX_RE_COMP.
14715 (regcomp): Allocate and initialize a fastmap.
14716 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
14718 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
14720 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
14722 2000-01-19 Richard Henderson <rth@cygnus.com>
14724 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
14725 arguments with BB. Update all callers. Tidy line wrapping.
14727 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
14729 * emit-rtl.c (try_split): Return last_insn if we split the
14732 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
14734 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
14735 (ix86_initial_elimination_offset): Declare.
14736 * i386.c (ix86_nsaved_regs): Break out from ...
14737 (ix86_can_use_return_insn_p): ... here.
14738 (ix86_emit_save_regs): Break out from ...
14739 (ix86_expand_prologue): ... here.
14740 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
14742 (ix86_expand_epilogue): ... here.
14743 (ix86_compute_frame_size): Make static, add prototype.
14744 (ix86_initial_elimination_offset): Break out from ...
14745 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
14747 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14749 * recog.h (OUT_FCN): Delete.
14751 * vax.md: Call `get_insn_template' instead of OUT_FCN.
14753 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14755 * cppalloc.c: PROTO -> PARAMS.
14756 * cpperror.c: Likewise.
14757 * cppfiles.c: Likewise.
14758 * cpplib.c: Likewise.
14759 * cpplib.h: Likewise.
14761 * config/arm/arm-protos.h: PROTO -> PARAMS.
14762 * config/arm/arm.c: Likewise.
14763 * config/c4x/c4x.c: Likewise.
14764 * config/fr30/fr30-protos.h: Likewise.
14765 * config/nextstep.c: Likewise.
14766 * config/pa/pa.c: Likewise.
14767 * config/pj/pj.c: Likewise.
14768 * config/rs6000/rs6000.c: Likewise.
14769 * config/v850/v850-protos.h: Likewise.
14770 * config/v850/v850.c: Likewise.
14772 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14774 * i370-protos.h: New file.
14776 * i370.c: Include tm_p.h. Fix compile time warnings.
14778 * i370.h: Move prototypes to i370-protos.h. Fix compile time
14781 * i370.md: Likewise.
14783 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14785 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
14786 (target_isinf, target_isnan, eisnan): Mark parameter with
14788 (eiisinf): Wrap in INFINITY.
14789 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
14790 (ibmtoe): Remove unused variable `rndsav'.
14792 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14794 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
14795 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
14797 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
14799 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
14800 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
14801 (fix_char_macro_defines, fix_char_macro_uses): New functions.
14803 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
14804 Recognize Emacs mode markers also.
14805 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
14806 C++ comments in C++ headers. Call is_cxx_header only if
14809 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
14810 bypass for ncurses.
14811 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
14812 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
14813 ... these, which use the new C fixes.
14814 (math_exception): Escape literal '+' in bypass expression.
14816 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
14819 2000-01-19 Geoff Keating <geoffk@cygnus.com>
14821 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
14824 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14826 * loop.c (loop_optimize): Allocate loop_info structure for each loop
14827 prior to calling scan_loop.
14829 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14831 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
14832 (split_branches, calc_live_regs): Likewise.
14834 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14836 * sh.md (fpu_single, fp_mode): New attributes.
14838 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14840 * loop.c (current_loop_info): Renamed from loop_info_data
14841 and changed to a pointer.
14842 (loop_optimize): Allocate loop_info structure for each loop
14843 and initialise to zero.
14844 (scan_loop): Set current_loop_info.
14846 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
14849 2000-01-19 Richard Henderson <rth@cygnus.com>
14851 * stupid.c: Die die die.
14852 * Makefile.in (OBJS): Remove stupid.o.
14853 (stupid.o): Likewise.
14855 * except.c (emit_eh_context): Don't emit USEs for stupid.
14856 * explow.c (probe_stack_range): Likewise.
14857 * flags.h (obey_regdecls): Remove.
14858 * flow.c (find_basic_blocks): Don't run try_merge_blocks
14859 when not optimizing.
14860 (life_analysis): Limit data collection when not optimizing.
14861 (mark_regs_live_at_end): Always mark the return value registers.
14862 (mark_used_regs): Remove dummy RETURN case.
14863 (print_rtl_with_bb): Don't consult obey_regdecls.
14864 * function.c (use_variable, use_variable_after): Remove.
14865 (assign_parms): Consult optimize not obey_regdecls.
14866 (expand_function_start): Don't emit USEs for stupid.
14867 (expand_function_end): Likewise.
14868 * global.c (build_insn_chain): Export.
14869 * integrate.c (expand_inline_function): Kill return-value USE
14871 * jump.c (jump_optimize_1): Do simple jump optimizations and
14872 dead code elimination.
14873 (calculate_can_reach_end): Remove check_deleted argument.
14874 (delete_insn): Patch out insns even when not optimizing.
14875 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
14876 * rtl.h (use_variable, use_variable_after): Remove declarations.
14877 (build_insn_chain): Declare.
14878 * stmt.c (expand_value_return): Don't emit USEs for stupid.
14879 (expand_end_bindings): Likewise.
14880 (expand_decl): Likewise. Consult optimize not obey_regdecls.
14881 * toplev.c (obey_regdecls): Remove.
14882 (rest_of_compilation): Don't set it. Kill stupid in favour of
14883 flow1, local-alloc, and reload.
14884 (main): Don't set obey_regdecls.
14886 * config/nextstep.c (handle_pragma): Likewise.
14888 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
14890 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
14892 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14894 * alpha-protos.h: PROTO -> PARAMS.
14895 * alpha.c: Likewise.
14897 * h8300.c: Likewise.
14898 * i386-protos.h: Likewise.
14899 * i386.c: Likewise.
14900 * m32r-protos.h: Likewise.
14901 * m32r.c: Likewise.
14902 * mips.c: Likewise.
14903 * mips.md: Likewise.
14904 * gmon-sol2.c: Likewise.
14905 * sparc.c: Likewise.
14907 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14909 * ns32k-protos.h: New file.
14911 * ns32k.c: Fix compile time warnings.
14913 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
14916 * ns32k.md: Likewise.
14918 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14920 * vax-protos.h: New file.
14922 * vax.c: Fix compile time warnings.
14924 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14927 * vax.md: Likewise.
14929 * vaxv.md: Likewise.
14931 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14933 * romp-protos.h: New file.
14935 * romp.c: Fix compile time warnings.
14937 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14940 * romp.md: Likewise.
14942 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14944 * we32k-protos.h: New file.
14946 * we32k.c: Fix compile time warnings.
14948 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14951 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14953 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14955 * except.c (eh_regs): Likewise.
14957 * final.c (output_operand): Likewise.
14959 * fold-const.c (target_isinf, target_isnan): Likewise.
14961 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14963 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14964 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14966 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14967 when optimize_size.
14968 (clrstrsi): Rewrite.
14969 (strsethi, strsetqi): New expanders.
14970 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14971 (cmpstrsi): Emit compare insn before cmpstrsi_1
14972 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14973 (strlensi_1): Likewise.
14974 (cmpstrsi_1): Likewise; do not output compare.
14975 (strlen expander): Do not unroll when optimizing for size.
14976 (*subsi3_carry): Rename to subsi3_carry
14977 (addqi3_cc): New pattern.
14978 * i386.h (processor_costs): Add move_ratio field.
14979 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14980 * i386.c (*_cost): Set move_ratio.
14981 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14982 (x86_expand_strlensi_1): Rewrite the main loop.
14984 2000-01-17 Richard Henderson <rth@cygnus.com>
14986 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14987 * cse.c (find_comparison_args, fold_rtx): Likewise.
14988 * integrate.c (subst_constants): Likewise.
14989 * loop.c (get_condition): Likewise.
14991 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14993 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14995 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14997 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14998 (RESTORE_WARN_FLAGS): Unpack it.
14999 Change semantic type of extension to ttype.
15000 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15001 * c-parse.y, c-parse.c, objc/objc-parse.y,
15002 objc/objc-parse.c: Regenerate.
15004 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15006 * fixinc/fixlib.c: Add copyright notice.
15007 (compile_re): New function.
15008 * fixinc/fixlib.h: Prototype compile_re.
15010 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15011 Use compile_re to compile regular expressions.
15013 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15014 where the pattern matched.
15016 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15018 (ultrix_ansi_compat): Likewise.
15019 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15021 (interactv_add2, interactv_add3): Delete.
15022 (x11_sprintf): Don't use filename glob.
15023 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15026 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15028 * print-rtl.c: PROTO -> PARAMS.
15029 * real.c: Likewise.
15030 * reg-stack.c: Likewise.
15031 * resource.c: Likewise.
15032 * sdbout.h: Likewise.
15033 * simplify-rtx.c: Likewise.
15034 * stor-layout.c: Likewise.
15035 * stupid.c: Likewise.
15036 * xcoffout.c: Likewise.
15037 * xcoffout.h: Likewise.
15039 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15041 * toplev.c: PROTO -> PARAMS.
15042 * toplev.h: Likewise.
15043 * tree.c: Likewise.
15044 * tree.h: Likewise.
15045 * unroll.c: Likewise.
15046 * varasm.c: Likewise.
15047 * varray.c: Likewise.
15048 * varray.h: Likewise.
15050 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15052 * reload.c: PROTO -> PARAMS.
15053 * reload.h: Likewise.
15054 * reload1.c: Likewise.
15055 * reorg.c: Likewise.
15056 * resource.h: Likewise.
15059 * rtlanal.c: Likewise.
15060 * sbitmap.h: Likewise.
15061 * sdbout.c: Likewise.
15062 * stack.h: Likewise.
15063 * stmt.c: Likewise.
15064 * system.h: Likewise.
15066 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15068 * machmode.h: PROTO -> PARAMS.
15069 * mbchar.h: Likewise.
15070 * mips-tdump.c: Likewise.
15071 * mips-tfile.c: Likewise.
15072 * optabs.c: Likewise.
15073 * output.h: Likewise.
15074 * prefix.c: Likewise.
15075 * profile.c: Likewise.
15076 * protoize.c: Likewise.
15077 * real.h: Likewise.
15078 * recog.c: Likewise.
15079 * recog.h: Likewise.
15080 * regclass.c: Likewise.
15081 * regmove.c: Likewise.
15082 * regs.h: Likewise.
15084 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15086 * ggc-common.c: PROTO -> PARAMS.
15087 * ggc-page.c: Likewise.
15088 * ggc-simple.c: Likewise.
15090 * global.c: Likewise.
15091 * graph.c: Likewise.
15092 * gthr-win32.h: Likewise.
15093 * haifa-sched.c: Likewise.
15094 * halfpic.h: Likewise.
15095 * integrate.c: Likewise.
15096 * integrate.h: Likewise.
15097 * jump.c: Likewise.
15099 * local-alloc.c: Likewise.
15100 * loop.c: Likewise.
15101 * loop.h: Likewise.
15103 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15105 * genattr.c: PROTO -> PARAMS.
15106 * genattrtab.c: Likewise.
15107 * gencheck.c: Likewise.
15108 * gencodes.c: Likewise.
15109 * genconfig.c: Likewise.
15110 * genemit.c: Likewise.
15111 * genextract.c: Likewise.
15112 * genflags.c: Likewise.
15113 * gengenrtl.c: Likewise.
15114 * genopinit.c: Likewise.
15115 * genoutput.c: Likewise.
15116 * genpeep.c: Likewise.
15117 * genrecog.c: Likewise.
15119 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15121 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15123 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15125 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15126 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15127 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15128 * configure, config.in: Rebuilt.
15130 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15132 * config/i386/i386.md: Add peephole to merge successive stack
15135 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15137 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15138 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15139 when walking backwards to find all the parameter loads when
15140 the basic block ends in a call.
15142 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15144 * loop.c (this_loop_info): Delete.
15145 (uid_loop): Add in place of uid_loop_num. All uses updated.
15146 (loop_number_exit_count): Delete and replace with entry in loop
15147 structure. All uses updated.
15148 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15149 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15150 (loop_outer_loop): Likewise.
15151 (loop_invalid, loop_number_exit_labels): Likewise.
15152 (loop_used_count_register): Delete and replace with entry in
15153 loop_info structure.
15154 (find_and_verify_loops): Add loops argument.
15155 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15156 loop_end, etc. arguments with loop structure pointer. All callers
15158 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15159 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15160 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15161 (insert_bct): Likewise.
15162 (basic_induction_var): New argument level.
15163 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
15164 vtop, and cont. Add used_count_register.
15165 (uid_loop): Delete declaration.
15166 (loop_number_exit_count): Likewise.
15167 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15168 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15169 (loop_outer_loop, loop_used_count_register): Likewise.
15170 (loop_invalid, loop_number_exit_labels): Likewise.
15171 (unroll_loop): Replace loop_start and loop_end arguments
15172 with loop structure pointer.
15173 (loop_precondition_p, loop_iterations): Likewise.
15174 Include basic-block.h.
15175 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15176 with loop structure pointer.
15177 (loop_precondition_p, loop_iterations): Likewise.
15178 * basic-block.h (struct loop): New entries vtop, cont,
15179 cont_dominator, start, end, top, scan_start, exit_labels,
15181 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15183 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15185 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15187 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
15189 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15191 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15193 * pdp11-protos.h: New file.
15195 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
15198 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
15201 * pdp11.md: Likewise.
15203 * 2bsd.h: Likewise.
15205 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15207 * mn10300-protos.h: New file.
15209 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
15212 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
15215 * mn10300.md: Likewise.
15217 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15219 * mn10200-protos.h: New file.
15221 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
15224 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
15227 * mn10200.md: Likewise.
15229 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15231 * h8300-protos.h: New file.
15233 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
15236 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
15239 * h8300.md: Likewise.
15241 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15243 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
15244 (asm_emit_uninitialised): Likewise.
15246 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
15248 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
15249 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
15251 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15253 * config/mips/mips.c (override_options): Don't turn on extra
15254 alignment for mips16.
15256 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15258 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
15259 eabi, and make sure queued POSTINCREMENT rtl is emitted at
15262 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15264 * builtins.c (PAD_VARARGS_DOWN): Define.
15265 (std_expand_builtin_va_arg): Use the above macro.
15266 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
15267 * tm.texi (Register Arguments): Document the above macro.
15269 2000-01-14 Nick Clifton <nickc@cygnus.com>
15271 * emit-rtl.c (emit_insn): If checking is enabled, make sure
15272 that this function has not been used to emit a jump
15275 * jump.c (return_jump_1): Cope with being passed a null rtx.
15277 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15279 * eh-common.h: PROTO -> PARAMS.
15280 * emit-rtl.c: Likewise.
15281 * errors.c: Likewise.
15282 * errors.h: Likewise.
15283 * except.c: Likewise.
15284 * except.h: Likewise.
15285 * explow.c: Likewise.
15286 * expmed.c: Likewise.
15287 * expr.c: Likewise.
15288 * expr.h: Likewise.
15289 * final.c: Likewise.
15290 * fix-header.c: Likewise.
15291 * flow.c: Likewise.
15292 * fold-const.c: Likewise.
15293 * function.c: Likewise.
15294 * function.h: Likewise.
15296 * gcov-io.h: Likewise.
15297 * gcov.c: Likewise.
15298 * gcse.c: Likewise.
15300 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15302 * sh-protos.h: New file.
15304 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
15305 Add static prototypes. Fix compile time warnings.
15307 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
15311 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15313 * arc-protos.h: New file.
15315 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
15318 * arc.h: Move prototypes to arc-protos.h. Fix compile time
15321 * arc.md: Likewise.
15323 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15325 * dsp16xx-protos.h: New file.
15327 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
15330 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
15333 * dsp16xx.md: Likewise.
15335 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15337 * convex-protos.h: New file.
15339 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
15342 * convex.h: Move prototypes to convex-protos.h. Fix compile time
15345 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15347 * elxsi-protos.h: New file.
15349 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
15352 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
15355 * elxsi.md: Likewise.
15357 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15359 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
15360 case for moving from HI/LO/HI_LO_REG. This makes the behavior
15361 match the comment for MIPS16.
15363 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
15365 * flow.c (split_edge): Do not call set_block_for_insn if we
15366 do not have a basic_block_for_insn structure.
15368 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
15369 and destination functions are 32bit aligned within the trampoline.
15370 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
15371 (TRAMPOLINE_ALIGNMENT): Define.
15373 * cse.c (cse_insn): When changing (set (pc) (reg)) to
15374 (set (pc) (label_ref)), verify the change creates a valid insn.
15376 * fr30.c (call_operand): Tighten and rework to match rules for
15377 call RTL expressions.
15378 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
15379 * fr30.md (call patterns): Improve constraints.
15381 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
15383 * fr30.c (fr30_expand_epilogue): Revert last change.
15384 Use emit_jump_insn for the return insn.
15386 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
15387 Stan Cox <scox@cygnus.com>
15389 * predict.c: New file. Preliminary infrastructure work for static
15390 branch prediction and basic block reordering.
15391 * basic-block.h: Add prototype for estimate_probability.
15392 * Makefile.in: Add rules for predict.o.
15394 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
15396 * fixincludes (va_list): Use __not_va_list__ for the dummy.
15397 * fixinc/*: Likewise.
15399 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15401 * cccp.c: PROTO -> PARAMS.
15402 * cexp.y: Likewise.
15403 * collect2.c: Likewise.
15404 * combine.c: Likewise.
15405 * convert.h: Likewise.
15407 * dbxout.c: Likewise.
15408 * dbxout.h: Likewise.
15409 * diagnostic.c: Likewise.
15410 * doprint.c: Likewise.
15411 * dwarf2out.c: Likewise.
15412 * dwarf2out.h: Likewise.
15413 * dwarfout.c: Likewise.
15414 * dwarfout.h: Likewise.
15415 * dyn-string.h: Likewise.
15417 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15419 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15420 macro conditionals guarding use.
15422 * dwarf2out.c: Include "tm_p.h".
15424 * function.c (locate_and_pad_parm): Mark parameter with
15426 (expand_function_end): Likewise for variable `context'.
15428 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15430 2000-01-13 Nick Clifton <nickc@cygnus.com>
15432 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15433 register to prevent compile time warnings.
15435 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
15437 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15438 to avoid -Wtraditional warning.
15440 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15442 * 1750a-protos.h: New file.
15444 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
15447 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
15450 * 1750a.md: Likewise.
15452 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15454 * a29k-protos.h: New file.
15456 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
15459 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
15462 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15464 * clipper-protos.h: New file.
15466 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
15469 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
15472 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15474 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
15476 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
15478 * configure.in (--enable-new-gxx-abi): New option.
15479 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
15480 * Makefile.in (GXX_ABI_FLAG): New variable.
15481 * configure: Regenerate.
15483 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15485 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
15486 * tm.texi (FORCE_STRUCT_BLK): Document.
15487 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
15489 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
15491 * config/ns32k/ns32k.md: Revert Jan 9 change.
15493 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
15494 to a mode-test, if the predicate is address_operand.
15496 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
15498 * combine.c (if_then_else_cond): Be careful about what kinds
15499 of RTL expressions are passed to operand_subword.
15501 * flow.c (split_edge): If we have to insert a new jump, make
15502 sure to associate it with a basic block.
15504 * flow.c (commit_one_edge_insertion): A block with one successor
15505 can end in a JUMP_INSN that is not a simplejump.
15507 2000-01-12 Robert Lipe <robertl@sco.com>
15509 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
15510 (BUILD_VA_LIST_TYPE): Define.
15511 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
15514 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
15516 * cccp.c (do_pragma): Add cast to (char *).
15518 2000-01-12 Richard Henderson <rth@cygnus.com>
15519 Fred Fish <fnf@be.com>
15520 Jason Merrill <jason@cygnus.com>
15522 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
15523 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
15524 * i386/beos-elf.h, i386/beos-pe.h: New files.
15526 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
15527 * cross-make (SYSTEM_HEADER_DIR): Define using
15528 CROSS_SYSTEM_HEADER_DIR.
15530 * gcc.c (LIBRARY_PATH_ENV): Provide default.
15531 (process_command): Use it.
15532 (main): Likewise. Kill trailing = from env vars.
15533 (build_search_list): Put it back.
15534 * collect2.c (main): Use LIBRARY_PATH_ENV.
15536 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
15537 * toplev.c: Use NEED_DECLARATION_ENVIRON.
15539 * tm.texi (Frame Layout): Document SMALL_STACK.
15540 * c-common.c (c_common_nodes_and_builtins): Check it.
15542 * system.h: Undef alloca after including glibc's <stdlib.h>,
15543 if USE_C_ALLOCA is defined.
15545 * gcc.c (set_input): New fn.
15546 (main): After all input files are compiled, reset the input file
15549 * aclocal.m4 (rindex, index): If already defined, don't attempt
15552 * ginclude/varargs.h: (__va_list__): Define ifndef.
15553 * ginclude/stdarg.h: Likewise.
15555 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
15556 instead of unsigned char.
15558 * hash.h (true, false, boolean): Undef before enum.
15560 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
15561 proper type of "HOST_WIDE_INT *", rather than their natural type of
15562 "unsigned HOST_WIDE_INT *".
15564 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15566 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
15568 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
15570 * regclass.c (choose_hard_reg_mode): Likewise.
15572 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
15574 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
15576 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15578 * c-common.c: PROTO -> PARAMS.
15579 * c-common.h: Likewise.
15580 * c-decl.c: Likewise.
15581 * c-iterate.c: Likewise.
15582 * c-lang.c: Likewise.
15583 * c-lex.c: Likewise.
15584 * c-lex.h: Likewise.
15585 * c-parse.in: Likewise.
15586 * c-pragma.c: Likewise.
15587 * c-pragma.h: Likewise.
15588 * c-tree.h: Likewise.
15589 * c-typeck.c: Likewise.
15590 * objc/objc-act.c: Likewise.
15591 * objc/objc-act.h: Likewise.
15593 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15595 * m88k-protos.h: New file.
15597 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
15600 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
15602 * m88k.md: Likewise.
15604 * tekXD88.h: Likewise.
15606 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15608 * m68k-protos.h: New file.
15610 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
15613 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
15615 * mot3300.h: Likewise.
15617 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
15619 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
15621 (extract_bitlist): Declare bitlen.
15623 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
15625 * cccp.c: Accept and ignore -lang-fortran.
15627 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
15628 qualifiers don't match at any level of pointerness.
15630 2000-01-12 Robert Lipe <robertl@sco.com>
15632 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
15634 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
15636 * reload1.c (reload_reg_unavailable): New static variable.
15637 (reload_reg_free_p): Test it.
15638 (reload_reg_free_for_value_p): Test it instead of
15640 (choose_reload_regs_init): Compute it.
15642 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
15644 * reorg.c (fill_slots_from_thread): Check modified_in_p
15647 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
15649 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
15650 these nodes even if INTERNALS is not set.
15652 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
15654 * gcse.c (delete_null_pointer_checks_1): Cope when
15655 get_condition cannot determine the condition.
15657 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
15659 * toplev.h (set_message_length): Declare.
15661 * diagnostic.c (obstack_chunk_alloc): Define macro.
15662 (obstack_chunk_free): Likewise.
15663 (struct output_buffer): New data structure.
15664 (vmessage): Remove.
15665 (output_maximum_width): New variable.
15666 (doing_line_wrapping, set_message_length, init_output_buffer,
15667 get_output_prefix, output_space_left, emit_output_prefix,
15668 output_newline, output_append, output_puts, dump_output,
15669 vbuild_message_string, build_message_string, build_location_prefix,
15670 voutput_notice, output_printf, line_wrapper_printf,
15671 vline_wrapper_message_with_location): New functions. Implement
15672 automatic line wrapping.
15673 (v_message_with_decl): Make it handle automatic line wrapping.
15674 (v_error_with_file_and_line): Likewise.
15675 (v_warning_with_file_and_line): Likewise.
15676 (announce_function): Likewise.
15677 (default_print_error_function): Likewise.
15679 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
15681 * cpplib.h (struct cpp_options): Change lang_asm to char.
15683 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
15684 done in cpp_handle_option now.
15685 (initialize_builtins): Take out special case code used only by
15687 (cpp_handle_option): Turn off trigraphs and trigraph warnings
15688 if -traditional. Recognize -lang-fortran and set
15689 lang_fortran, also turn off cplusplus_comments.
15690 (print_help): Document -lang-fortran.
15691 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
15692 lang_asm. Ignore all directives other than `# 123 "file"' if
15694 (cpp_get_token): If -traditional, don't recognize directives
15695 unless the # is in column 1.
15696 (parse_string): If lang_fortran or lang_asm, silently
15697 terminate strings ('' or "") at end of line.
15698 Remove unnecessary braces.
15700 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15701 Richard Henderson <rth@cygnus.com>
15703 * resource.c (mark_referenced_resources): Mark a set strict_low_part
15705 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
15706 strict_low_part when possible.
15708 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15710 * alias.c: PROTO -> PARAMS.
15711 * basic-block.h: Likewise.
15712 * bitmap.c: Likewise.
15713 * bitmap.h: Likewise.
15714 * builtins.c: Likewise.
15715 * c-aux-info.c: Likewise.
15716 * caller-save.c: Likewise.
15717 * calls.c: Likewise.
15719 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15721 * Makefile.in (toplev.o): Depend on regs.h.
15723 * output.h (tdesc_section): Prototype.
15725 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
15727 * sdbout.c: Include "tm_p.h".
15729 * toplev.c: Include "regs.h".
15731 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
15733 * unroll.c (unroll_loop): Add EH support.
15735 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15737 * pa-protos.h: New file.
15739 * pa.c: Include recog.h and tm_p.h.
15740 (compute_zdepwi_operands, compute_movstrsi_length,
15741 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
15742 find_addr_reg, import_milli): Add static prototypes.
15743 (pa_cpu_string, pa_arch_string): Constify a char*.
15744 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
15745 (read_only_operand): Add argument `mode'.
15746 (singlemove_string, output_move_double, output_fp_move_double,
15747 output_block_move, output_and, output_ior, output_ascii,
15748 remove_useless_addtr_insns, milli_names, output_mul_insn,
15749 output_div_insn, output_mod_insn, output_arg_descriptor,
15750 output_cbranch, output_bb, output_bvb, output_dbra, ,
15751 output_millicode_call, output_call, hppa_encode_label,
15752 output_parallel_movb, output_parallel_addb): Constify a char*.
15753 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
15754 (output_parallel_addb): Remove extra arg to `constrain_operands'
15756 * pa.h: Move all prototypes to pa-protos.h.
15757 (pa_cpu_string, pa_arch_string): Constify a char*.
15758 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
15760 * pa.md: Call `function_label_operand' with mode argument.
15761 Likewise for `read_only_operand'.
15762 Fix nesting of parens in call to `symbolic_operand'.
15764 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15766 * i860-protos.h: New file.
15768 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
15771 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
15773 * i860.md: Likewise.
15775 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
15777 * i386.md (movstrsi expander): Rewrite.
15778 (movstrsi_1 insn): Deleted.
15779 (strmovhi, strmovqi expander): New expanders.
15780 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
15781 * i386.c (x86_single_stringop): New global variable.
15782 * i386.h (x86_single_stringop): Declare.
15783 (TARGET_SINGLE_STRINGOP): New macro.
15785 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15787 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
15788 integer vararg POSTINCREMENT before the destination of the jump
15789 for the hard fp case.
15790 (function_arg_pass_by_reference): Pass a copy of CUM to
15793 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
15794 for CONSTANT_ADDRESS_P above while loop for subreg.
15796 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15798 * flow.c (propagate_block): When a prologue/epilogue insn
15799 is marked dead, unconditionally clear libcall_is_dead and
15800 insn_is_dead, and only dump rtl if warnings aren't being
15803 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
15805 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
15806 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
15807 (FIXED_REGISTERS): Set dirflag as fixed.
15808 (CALL_USED_REGISTERS): Set dirflag as used.
15809 (REG_ALLOC_ORDER): Set dirflag as last one.
15810 (DIRFLAG_REG): New macro.
15811 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
15812 (HI_REGISTER_NAMES): Add dirflag.
15813 (DEBUF_PRINT_REG): Handle dirflag.
15814 * i386.md (type attribute): New cld and str types.
15815 (length_opcode attribute): Set cld and str to 1.
15816 (memory attribute): Set str to unknown - it is not clear from the
15818 (pent_np function unit): Prefixed string operations takes 12 cycles
15819 minimally; cld takes 2 cycles.
15820 (ppro_uops attribute): Str is "many" and cld is "few".
15821 (ppro_p0 unit): Handle cld here.
15822 (k6_alux unit): Handle cld and str types.
15823 (k6_load unit): It is ocupied by str opcodes.
15824 (k6_store unit): It is ocupied by str opcodes.
15825 (athlon_decode): Str is vector decoded.
15826 (athlon_ieu): Handle str and cld.
15827 (cld pattern): New.
15828 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
15829 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
15830 cmpstrsi_nz_1 insn): Do not output cld instruction
15832 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
15834 * gcc.texi (G++ and GCC): Add Java and Chill.
15835 (Bug Critera): Don't list languages.
15837 * gcc.texi (Incompatibilities): No longer claim most C compilers
15840 * gcc.texi (G++ and GCC): Update other front-ends list.
15842 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
15844 * i386.c (ix86_expand_setcc): Fix typo.
15845 (ix86_expand_movcc): Similarly.
15847 * Band-aid until haifa's bitset implementation is nuked.
15848 * haifa-sched.c (extract_bitlst): New parameter for size of the
15849 bitset in bits. All callers changed. Avoid looking at undefined
15850 bits in the bitset.
15851 (edgeset_bitsize): New variable.
15852 (schedule_region): Initialize edgeset_bitsize.
15854 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15856 * Makefile.in (optabs.o): Depend on real.h
15857 (resource.o): Depend on insn-attr.h
15859 * builtins.c (result_vector): Wrap prototype in macro conditions
15860 governing definition and use.
15862 * c-common.c: Include tm_p.h.
15864 * c-lex.c: Likewise.
15866 * elfos.h: Constify a char*.
15868 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
15869 (get_attr_length, shorten_branches, profile_after_prologue): Mark
15870 parameter with ATTRIBUTE_UNUSED.
15872 * fold-const.c (exact_real_inverse): Wrap variable `i' in
15875 * haifa-sched.c (schedule_insns): Mark parameter with
15878 * optabs.c: Include real.h.
15880 * real.h (ereal_atof): Add prototype arguments.
15882 * resource.c: Include insn-attr.h.
15884 * sdbout.c (sdbout_queue_anonymous_type,
15885 sdbout_dequeue_anonymous_types): Wrap in macro
15886 SDB_ALLOW_FORWARD_REFERENCES.
15887 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
15890 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
15892 * stupid.c: Include tm_p.h.
15894 * tree.c (real_value_from_int_cst): Mark parameter with
15897 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15899 * i960-protos.h: New file.
15901 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
15904 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
15906 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15908 * combine.c (expand_field_assignment): Do not discard SUBREGs
15909 while computing nonzero_bits.
15911 2000-01-09 Nick Clifton <nickc@cygnus.com>
15913 * config/arm/arm.c: Fix compile time warnings about signed vs
15914 unsigned constants.
15915 * config/arm/arm.h: Fix compile time warnings about signed vs
15916 unsigned constants.
15918 2000-01-09 Philip Blundell <philb@gnu.org>
15920 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
15921 than `ldm' with only one register.
15922 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15925 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15928 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15930 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15933 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15935 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15936 assignment used as truth value.
15938 * function.c (assign_temp): Mark parameter `dont_promote' with
15939 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15940 PROMOTE_FOR_CALL_ONLY.
15942 * genrecog.c (write_subroutine): Mark variable `operands' with
15945 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15948 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15949 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15951 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15954 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15956 * config/c4x.h: Tidy up comments.
15957 * config/c4x.c: Likewise.
15959 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15961 * fold-const.c (lshift_double, rshift_double): Handle
15962 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15964 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15966 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15967 in prepare_function_start().
15969 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15971 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15972 longer allocate extra stack for function calls.
15974 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15976 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15978 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15980 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15982 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15984 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15985 * aix43.h: Revert Aug 2 change.
15986 (HAS_INIT_SECTION): Define, not visible yet.
15987 (LD_INIT_SWITCH): Define, not visible yet.
15988 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15990 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15992 * collect2.c (main): Expand ld2 size further.
15993 (export_object_lst): Cast assignment to avoid warning.
15994 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15995 (scan_prog_file, COFF): Do not collect initialization or
15996 finalization functions generated for entire shared object if
15997 init/fini support present.
15999 2000-01-07 Nick Clifton <nickc@cygnus.com>
16001 * config/elfos.h: Tidy up formatting of marcos. Make sure
16002 that .section directives are always prefixed by a tab.
16004 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16007 2000-01-07 Matt Austern <austern@sgi.com>
16009 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16012 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16014 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16016 (crtbegin.o, s-crtS): Likewise.
16018 2000-01-06 Richard Henderson <rth@cygnus.com>
16020 * alpha.md (adddi_2+1): Limit offset such that it will be
16021 loadable with a single ldah+lda pair.
16022 (adddi_2+2): Explicitly fail split if we can't make it work.
16024 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16026 * protoize.c: Conditionally include unistd.h.
16027 (IS_SAME_PATH_CHAR): New macro.
16028 (IS_SAME_PATH): New macro.
16029 (CPLUS_FILE_SUFFIX): New macro.
16030 (cplus_suffix): New static variable.
16031 (is_abspath): New static function.
16032 (in_system_include_dir): Handle DOS style pathnames.
16033 (file_could_be_converted): Likewise.
16034 (file_normally_convertible): Likewise.
16035 (directory_specified_p): Likewise.
16036 (file_excluded_p): Likewise.
16037 (abspath): Likewise.
16038 (shortpath): Likewise.
16039 (referenced_file_is_newer): Likewise.
16040 (save_def_or_dec): Likewise.
16041 (do_processing): Likewise.
16043 (edit_file): Likewise. Use rename instead of link.
16044 (rename_c_file): Likewise. Don't rename syscalls file.
16045 (munge_compile_params): Define null device for DOS based systems.
16046 (process_aux_info_file): Use binary mode if appliable.
16047 (edit_file): Likewise.
16048 * invoke.texi (Running Protoize): Document C++ suffixes used.
16050 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16051 IS_DIR_SEPARATOR macros.
16052 * collect2.c: Likewise.
16053 * cppinit.c: Likewise.
16054 * dwarf2out.c: Likewise.
16056 * gcov.c: Likewise.
16057 * prefix.c: Likewise.
16059 * toplev.c: Likewise.
16060 * system.h: And move to here.
16062 * prefix.c (update_path): Fix typo in variable name.
16064 2000-01-06 Richard Henderson <rth@cygnus.com>
16066 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16067 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16068 (count_reg_sets_1, count_reg_references): Likewise.
16069 (flow_loops_level_compute): Start counting actual loop depth at 1.
16070 (flow_loops_find): Likewise.
16071 * local-alloc.c (update_equiv_regs): Likewise.
16072 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16074 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16076 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16077 FIRST_PSEUDO_REGISTER
16078 * dwarf2out.c: Don't include frame.h
16079 * dwarfout.c: Likewise
16080 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16083 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16085 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16088 * i386.c (movsf splitter): Fix typo in my last checkin.
16090 2000-01-05 Nick Clifton <nickc@cygnus.com>
16092 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16093 own definition of this macro.
16094 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16095 flag_data_sections or UNIQUE_SECTION_P are true.
16097 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16098 unitialised data decls.
16100 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16101 being called for uninitialised data.
16103 * config/i386/interix.c (i386_pe_unique_section): Cope with
16104 being called for uninitialised data.
16106 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16107 for uninitialised data.
16109 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16110 for uninitialised data.
16112 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16113 for uninitialised data.
16115 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16116 (UNIQUE_SECTION_P): Always generate a unique section if
16117 flag_data_sections is true.
16118 (UNIQUE_SECTION): Also generate unique sections for
16119 uninitialised data.
16120 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16121 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16124 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16126 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16129 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16131 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16132 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16133 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16134 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16135 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16137 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16139 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16141 * c-decl.c (finish_enum): Simplify code to determine minimum and
16142 maximum values of the enum, and calculate the type. Remove check
16143 for FUNCTION_DECLs in the values list, which cannot happen. Replace
16144 the DECL_INITIAL of each enumeration constant with a copy converted
16145 to the enumeration type. When updating variant types, don't bother
16146 updating the type itself.
16148 * c-typeck.c (build_binary_op): Simplify conditional expressions
16149 when weeding out spurious signed-unsigned warnings. Add new
16150 spurious warning category: if the unsigned quantity is an enum
16151 and its maximum value fits in signed_type(result_type). Update
16153 (build_conditional_expr): Warn here if one alternative is signed
16154 and the other is unsigned.
16156 2000-01-05 Nick Clifton <nickc@cygnus.com>
16158 * config/fr30/fr30.h: Remove extraneous comments.
16160 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
16162 * reload1.c (choose_reload_regs): When disabling a reload, also
16163 set reload_spill_index to -1.
16165 2000-01-04 Joel Sherrill (joel@OARcorp.com>
16167 * configure.in (m68*-*-rtemscoff*): New target, formal name for
16169 (m68*-*-rtemself*): New target.
16170 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16171 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16172 (sparc*-*-rtemself*): New target.
16173 (sparc*-*-rtems*): Now elf not a.out.
16174 * config/i386/rtems.h: Include config/rtems.h.
16175 * config/i386/rtemself.h: Include config/rtems.h.
16176 * config/i960/rtems.h: Include config/rtems.h.
16177 * config/m68k/rtems.h: Include config/rtems.h.
16178 * config/m68k/rtemself.h: Include config/rtems.h.
16179 * config/mips/rtems64.h: Include config/rtems.h.
16180 * config/pa/rtems.h: Include config/rtems.h.
16181 * config/rs6000/rtems.h: Include config/rtems.h.
16182 * config/sh/rtems.h: Include config/rtems.h.
16183 * config/sh/rtemself.h: Include config/rtems.h.
16184 * config/sparc/rtems.h: Include config/rtems.h.
16185 * config/sparc/rtemself.h: Include config/rtems.h
16187 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
16189 * final.c (shorten_branches): Correctly compute length of
16190 asms without operands.
16192 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
16194 * configure.in: Add pj target.
16195 * configure: Regenerate.
16196 * config/pj: New directory.
16197 * config/pj/lib1funcs.S: New file.
16198 * config/pj/linux.h: New file.
16199 * config/pj/pj.c: New file.
16200 * config/pj/pj.md: New file.
16201 * config/pj/pjl.h: New file.
16202 * config/pj/t-pj: New file.
16203 * config/pj/xm-pj.h: New file
16205 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
16207 * toplev.c (rest_of_compilation): Run shorten-branches before
16210 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16212 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
16213 macros so that they're consistent with their names.
16214 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16215 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16217 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16219 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16220 modified inadvertently.
16222 2000-01-04 Joel Sherrill <joel@OARcorp.com>
16224 * configure.in (v850*-*-rtems*): New target.
16225 * configure: Regenerate.
16226 * config/v850/rtems.h: New file.
16228 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
16230 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
16231 (__gthread_key_create): Likewise.
16232 (__gthread_key_dtor): Likewise.
16233 (__gthread_once): Fix logic.
16234 (__gthread_key_delete): Cast away constness.
16236 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
16237 * invoke.texi: Document.
16238 * i386/mingw32.h (CPP_SPEC): Use.
16239 (LIBGCC_SPEC): Likewise.
16240 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
16242 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16244 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
16245 (HANDLE_PRAGMA_PACK): Undefine.
16246 (SLOW_UNALIGNED_ACCESS): Define.
16248 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16250 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16251 to default definition.
16252 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
16253 (store_fixed_bit_field): Call macro with word_mode and alignment.
16254 (extract_bit_field): Call macro with relevant mode and alignment.
16255 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16256 to default definition.
16257 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
16259 (move_by_pieces_ninsns): Likewise.
16260 (clear_by_pieces): Likewise.
16261 (emit_push_insn): Likewise.
16262 (store_field): Call macro with relevant mode and alignment.
16263 (expand_expr): Likewise.
16264 (expand_expr_unaligned): Likewise.
16266 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
16267 (SLOW_UNALIGNED_ACCESS): Define.
16268 (CASE_VECTOR_MODE): Always use 32-bit offsets.
16269 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
16270 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
16271 (toc_section): Likewise and .toc pseudo-op.
16272 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
16274 (TEXT_SECTION_ASM_OP): Likewise.
16275 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
16278 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
16279 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
16280 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
16281 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
16282 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
16284 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
16286 * regclass.c: Revert my Jan 4 change to loop cost computation.
16288 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16290 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
16293 2000-01-04 Stan Cox <scox@cygnus.com>
16295 * haifa-sched.c (build_control_flow): Change unreachable simple
16296 loop test to check if current block has only one predecessor.
16297 (find_rgns): Initialize degree. Use dest as degree index, not src.
16299 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16301 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
16303 * calls.c (expand_call): Likewise for
16304 `old_stack_arg_under_construction'.
16306 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
16308 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
16311 * gcc.c (execute): Likewise for `ut' and `st'.
16313 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
16315 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
16317 * jump.c (jump_optimize_1): Likewise for `temp2'.
16319 * local-alloc.c (block_alloc): Likewise for `r1'.
16321 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
16323 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
16324 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
16326 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
16329 * reload.c (find_reloads): Likewise for `goal_alternative_number'
16330 and `goal_earlyclobber'.
16332 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
16334 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
16336 * stupid.c (stupid_life_analysis): Likewise for `chain'.
16338 * unroll.c (copy_loop_body): Likewise for `copy'.
16340 * varasm.c (output_constructor): Likewise for `byte'.
16342 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16344 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
16345 all FP constants for constant->reg moves.
16346 (ix86_split_to_parts): Try to convert memory address into immediate
16347 when available in the constant pool.
16348 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
16350 (LEGITIMATE_CONSTANT_P): Return 1.
16351 * i386.md (pushsf): New splitter to convert constant pool memory
16352 reference to immediate.
16353 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
16356 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
16358 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
16359 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
16360 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
16361 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
16362 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
16364 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
16366 * ginclude/stdbool.h: Support compilation as C++.
16368 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16370 * fold-const.c (make_range): Don't try to reverse an unbounded range.
16372 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
16374 * regclass.c (regclass): Properly compute loop_cost. Adjust
16377 * regclass.c: Fix minor whitespace problems.
16379 2000-01-03 Anthony Green <green@cygnus.com>
16381 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
16382 Restore the pic register if required.
16384 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
16386 * c-common.c (format_char_info): Update comment.
16387 (check_format_info): Recognize 'z' modifier in the same way 'Z'
16388 was recognized. Emit warning for formats new in ISO C99 only
16389 if flag_isoc9x is not set.
16391 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
16393 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16395 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16397 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16398 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16399 (make_compound_operation): Choose cheaper alternative between
16400 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16402 * regclass.c (op_costs): Remove global variable.
16403 (record_reg_classes): New parameter "op_costs" and "reg_pref".
16404 (record_operand_costs): Break out from ...
16405 (scan_one_insn): ... here.
16406 (dump_regclass): Make dumps nicer.
16407 (regclass): Dump preferrences choosed and changes done during passes.
16409 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16411 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16413 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16415 * config/sparc/sparc.c (gen_df_reg): New function.
16416 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16417 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16418 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16419 movtf_cc_reg_sp64+1): Use it.
16421 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16423 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16424 copied LABEL_DECLs.
16426 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16428 * config/i386/i386.c (ix86_expand_unary_operator): Function
16429 definition made void.
16430 (ix86_expand_binary_operator): Update outdated preceding comment.
16431 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16434 * config/i386/i386.c (override_options): Fix option-name typo.
16436 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16438 * system.h (CEIL): Define.
16439 * builtins.c (CEIL): Remove.
16440 * expmed.c (CEIL): Likewise.
16441 * expr.c (CEIL): Likewise.
16442 * stor-layout.c (CEIL): Likewise.
16444 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16446 * expr.c (store_constructor_field): Fix typo introduced with last
16449 2000-01-01 Mark Mitchell <mark@codesourcery.com>
16451 * tree.h (BINFO_N_BASETYPES): New macro.
16453 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
16455 * expmed.c (emit_store_flag): Prevent losing a pending stack
16456 adjust the same way we prevent losing queued increments.
16458 See ChangeLog.2 for earlier changes.